1 2006-12-19 Ben Elliston <bje@au.ibm.com>
3 * cse.c (cse_insn): Fix formatting.
5 2006-12-18 Geoffrey Keating <geoffk@apple.com>
7 * doc/invoke.texi (Debugging Options): Document -g0.
8 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
9 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
11 2006-12-18 Ian Lance Taylor <iant@google.com>
13 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
14 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
17 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
19 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
20 (struct vuse_optype_d): Delete.
21 (SSA_OPERAND_MEMORY_SIZE): Delete.
22 (struct ssa_operand_memory_d): Change mem array to size one.
23 (NUM_VOP_FREE_BUCKETS): Define.
24 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
25 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
26 * tree-pretty-print.c (dump_vops): Use voptype_d type.
27 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
28 which fit into a chunk of memory from a specific bucket.
29 (vop_free_bucket_index): New. Find correct size memory bucket.
30 (init_vop_buckets): New. Initialize VOP free memory buckets.
31 (add_vop_to_freelist): New. Add a VOP to the correct free list.
32 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
33 (init_ssa_operands): Initialize operand memory and free lists.
34 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
35 (ssa_operand_alloc): Use graduated size memory allocation.
36 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
37 INITIALIZE_USE): Remove.
38 (alloc_vop): New. Allocate a virtual operand.
39 (alloc_vdef, alloc_vuse): Delete.
40 (add_def_op, add_use_op): Directly setup pointers.
41 (add_vop): New. Add a virtual operand.
42 (add_vuse_op, add_vdef_op): Call add_vop.
43 (realloc_vop): New. Reallocate a virtual operand.
44 (realloc_vdef, realloc_vuse): Call realloc_vop.
45 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
46 (finalize_ssa_defs): Optimize for common case, remove code based on
47 sorted pointers which was a waste of time.
48 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
49 (finalize_ssa_uses): Update last pointer.
50 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
51 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
52 directly manipulate pointers.
53 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
55 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
57 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
58 determine if memory operand is an indexed address or not.
60 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
62 * cselib.c (struct cselib_val_struct): Make val_rtx its
63 own field, remove the union that contained it.
64 * cselib.c: Update accordingly where necessary.
66 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
68 * cse.c (have_eh_succ_edges): New function.
69 (cse_insn): Don't remove dead EH edges here
70 (cse_extended_basic_block): Do it here.
71 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
72 that we have removed all dead edges.
74 2006-12-17 Matthias Klose <doko@debian.org>
77 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
79 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
81 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
82 (cse_extended_basic_block): When truncating a path while processing
83 it, make sure to clear the visited bit on the basic blocks in the
84 truncated part of the path.
85 (cse_main): Use reverse completion order, not DFS order, to walk
87 (gate_handle_cse): Revert erroneous commit of a counter.
89 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
91 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
92 variables, moved out from cse_insn.
93 (prev_insn): Remove this global variable).
94 (new_basic_block): Don't set it.
95 (cse_insn): Idem. Also, move code to delete unused CC0-setter
96 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
98 (cse_extended_basic_block): ...to here. Do not clear
99 prev_insn_cc0 until after recording equivalences from jumps.
101 2006-12-16 Jan Hubicka <jh@suse.cz>
103 * cgraphunit.c (ipa_passes): Clear current_function_decl.
105 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
107 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
109 2006-12-16 Jan Hubicka <jh@suse.cz>
111 * omp-low.c (expand_omp_parallel): Set function properties.
112 * function.h (struct function): Add curr_properties and last_verified.
113 * passes.c (register_dump_files): Do not set TODO_set_props for the
115 (init_optimization_passes): Set it here; reorder initialization so the
116 dump files appear in more logical order.
117 (last_verified, curr_properties): Kill.
118 (do_per_function): New function.
119 (execute_function_todo): Break out from ...
120 (execute_todo): ... here; handle per-function flags.
121 (clear_last_verified, verify_curr_properties,
122 update_properties_after_pass): New functions.
123 (execute_one_pass): Handle per-function properties.
124 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
125 and current_function_decls are cleared out.
126 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
129 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
132 * c.opt (Wempty-body): New.
133 * doc/invoke.texi (Wempty-body): Document it.
134 (Wextra): Enabled by -Wextra.
135 * c-opts.c (c_common_post_options): Enabled by -Wextra.
136 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
137 * c-parser.c (c_parser_c99_block_statement): Likewise.
139 2006-12-15 Jakub Jelinek <jakub@redhat.com>
142 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
145 2006-12-15 Andrew Pinski <pinski@gmail.com>
148 * tree-inline.c (setup_one_parameter): Gimplify the statement if
149 the variable is not a gimple register variable.
151 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
153 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
155 2006-12-14 Jan Hubicka <jh@suse.cz>
157 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
160 2006-12-14 Richard Guenther <rguenther@suse.de>
162 PR tree-optimization/30197
163 * builtins.c (fold_builtin_cexp): New function to fold cexp
164 to cexpi and exp parts.
165 * tree-ssa-pre.c (try_combine_conversion): Also handle
166 REALPART_EXPR and IMAGPART_EXPR.
168 2006-12-14 Richard Guenther <rguenther@suse.de>
171 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
172 + __complex__ ( 0, y ) to __complex__ ( x, y ).
173 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
175 2006-12-14 Richard Guenther <rguenther@suse.de>
177 PR tree-optimization/30198
178 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
179 Fold IMAGPART_EXPR of cexpi to sin.
181 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
182 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
184 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
185 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
187 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
188 (spu_builtin_mask_for_load): New.
189 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
190 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
191 (vec_realign_load_<mode>, spu_lvsr): New.
193 2006-12-13 Ian Lance Taylor <iant@google.com>
197 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
198 to warn_about_parentheses in c-common.c.
199 * c-common.c (warn_about_parentheses): New function.
200 * c-common.h (warn_about_parentheses): Declare.
201 * doc/invoke.texi (Warning Options): Update -Wparentheses
204 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
206 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
208 (constant_multiple_of): Fix order of operators for division.
209 (aff_combination_const, aff_combination_elt, aff_combination_scale,
210 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
211 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
212 aff_combination_to_tree): Moved to tree-affine.c and made to work with
213 double_int coefficients.
214 (get_computation_aff, get_computation_at): Work with double_int
216 (get_computation_cost_at): Do not use divide.
217 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
218 Assert that expressing the computation did not fail.
219 * tree-ssa-address.c: Include tree-affine.h.
220 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
221 create_mem_ref): Work with double_int coefficients.
222 * tree-affine.c: New file.
223 * tree-affine.h: New file.
224 * tree-flow.h (struct affine_tree_combination): Removed.
225 * Makefile.in (tree-affine.o): Add.
226 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
229 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
233 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
234 the offset == 0 "then" clauses.
235 * config/rs6000/predicates.md (gpc_reg_operand): Check for
238 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
240 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
241 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
242 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
243 (FRAME_POINTER_REGNUM): Update register number to 20.
244 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
245 (HI_REGISTER_NAMES): Remove "dirflag".
247 * config/i386/i386.c (regclass_map): Remove dirflag entry.
248 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
250 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
252 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
253 (sse_prologue_save, *sse_prologue_save_insn): Renumber
254 hardcoded SSE register numbers.
256 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
257 hardcoded MMX register numbers.
260 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
262 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
263 FLDMX. Rename function to...
264 (vfp_output_fldmd): ...this.
265 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
267 (vfp_output_fstmd): ...this.
268 (vfp_emit_fstmx): Don't leave space in the frame layout for the
269 FSTMX format word. Rename function to...
270 (vfp_emit_fstmd): ...this.
271 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
273 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
274 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
275 word. Also emit "vsave" assembler directives in such cases rather
277 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
278 gnu_Unwind_Save_VFP): Adjust comments.
279 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
280 for saving and restoring using FSTMD and FLDMD rather than
282 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
283 New functions for saving and restoring the VFPv3 registers 16 .. 31.
284 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
285 compilation case to correctly handle unwind opcode 0xc8 when using
287 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
288 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
289 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
290 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
292 (restore_non_core_regs): Restore registers using FLDMD rather than
293 FLDMX if required. Also handle restoration of VFPv3 registers.
294 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
295 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
296 including cases where the caller specifies a range of registers
297 that overlaps the d15/d16 boundary.
299 2006-12-13 Diego Novillo <dnovillo@redhat.com>
302 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
303 accomodate 511 operands.
305 2006-12-13 Richard Guenther <rguenther@suse.de>
307 * builtins.c (expand_builtin_cexpi): Fix typo.
309 2006-12-13 Jan Hubicka <jh@suse.cz>
311 * Makefile.in: Add dependencies.
312 * tree-pretty-print.c: Include value-prof.h
313 (dump_generic_bb_buff): Dump histograms
314 * value-prof.c: Include pointer-set.h
315 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
316 set_histogram_value, gimple_histogram_value,
317 gimple_add_histogram_value, gimple_remove_histogram_value,
318 gimple_histogram_value_of_type, dump_histogram_value,
319 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
320 gimple_duplicate_stmt_histograms, visit_hist,
321 verify_histograms): New functions.
322 (tree_value_profile_transformations): Update for new histogram API.
323 (tree_divmod_fixed_value): Update for new histogram API.
324 (tree_divmod_fixed_value_transform): Update for new histogram API.
325 (tree_mod_pow2): Update for new histogram API.
326 (tree_mod_pow2_value_transform): Update for new histogram API.
327 (tree_mod_subtract): Update for new histogram API.
328 (tree_mod_subtract_transform): Update for new histogram API.
329 (tree_stringops_transform): Update for new histogram API.
330 (tree_divmod_values_to_profile): Update for new histogram API.
331 (tree_stringops_values_to_profile): Update for new histogram API.
332 (tree_find_values_to_profile): Update for new histogram API.
333 * value-prof.h (gimple_histogram_value): Declare.
334 (gimple_histogram_value_of_type): Declare.
335 (gimple_add_histogram_value): Declare.
336 (gimple_remove_histogram_value): Declare.
337 (dump_histograms_for_stmt): Declare.
338 (gimple_remove_histogram_value): Declare.
339 (gimple_remove_stmt_histograms): Declare.
340 (gimple_duplicate_stmt_histograms): Declare.
341 (verify_histograms): Declare.
343 (struct funrction): Add value_histograms hash.
344 (VALUE_HISTOGRAMS): New macro.
345 * profile.c (compute_value_histograms): update for new API.
346 * tree-inline.c: Include value-prof.h
347 (copy_bb): Update histograms.
348 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
349 reorder to get smaller memory layout.
350 * tree-cfg.c: Include value-prof.h
351 (bsi_remove): Update histograms.
352 (bsi_replace): Update histograms.
353 (verify_stmts): Call histogram verifier.
354 (tree_duplicate_bb): Update histograms.
355 (move_block_to_fn): Update histograms.
357 2006-12-13 Richard Guenther <rguenther@suse.de>
359 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
361 (cgraph_decide_inlining): Likewise.
363 2006-12-13 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/17687
366 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
367 New builtins for imaginary argument cexp.
368 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
369 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
370 New required builtin types.
371 * builtins.c (expand_builtin_cexpi): Declare.
372 (mathfn_built_in): Handle BUILT_IN_CEXPI.
373 (expand_builtin_cexpi): New static helper.
374 (expand_builtin): Call it.
375 (do_mpfr_sincos): Adjust for CEXPI evaluation.
376 (fold_builtin_sincos): New function to fold sincos to cepxi.
378 2006-12-13 Richard Guenther <rguenther@suse.de>
380 * ipa-reference.c (scan_for_static_refs): Also scan
381 tcc_comparison class trees.
383 2006-12-12 David Daney <ddaney@avtrex.com>
385 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
388 2006-12-12 Andrew Pinski <pinskia@gmail.com>
390 * tree-vect-transform.c (vect_permute_load_chain):
391 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
394 2006-12-13 Sa Liu <saliu@de.ibm.com>
395 Ben Elliston <bje@au.ibm.com>
397 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
398 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
399 * config/spu/spu-protos.h (spu_c_common_override_options):
401 * config/spu/spu-c.c (spu_c_common_override_options): New.
402 * config/spu/spu.c (spu_override_options): Whitespace fix.
404 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
406 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
408 2006-12-12 Geoffrey Keating <geoffk@apple.com>
410 * mips-tdump.c: Replace CROSS_COMPILE with
411 CROSS_DIRECTORY_STRUCTURE.
412 * mips-tfile.c: Likewise.
414 * configure.ac: Likewise.
415 * cppdefault.c: Likewise.
416 * Makefile.in: Likewise.
417 * config/alpha/osf.h: Likewise.
418 * config/i386/cygwin.h: Likewise.
419 * config/i386/beos-elf.h: Likewise.
420 * config/i386/nto.h: Likewise.
421 * config/fr30/fr30.h: Likewise.
422 * config/svr4.h: Likewise.
423 * config/rs6000/aix.h: Likewise.
424 * config/rs6000/sysv4.h: Likewise.
425 * config/pa/pa64-hpux.h: Likewise.
426 * config/pa/pa-hpux10.h: Likewise.
427 * config/pa/pa-hpux11.h: Likewise.
428 * collect2.c: Likewise.
429 * configure: Regenerate.
431 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
432 actually takes an unsigned HOST_WIDE_INT for its second parameter.
434 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
436 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
437 (spu_encode_section_info): New.
438 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
439 (SYMBOL_FLAG_ALIGN1): New.
441 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
444 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
445 bitmap for EXECUTE_IF_SET_IN_BITMAP.
447 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
450 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
451 (DECL_GIMPLE_REG_P): This.
452 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
454 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
455 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
456 and check for VECTOR_TYPE.
457 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
459 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
461 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
462 and check for VECTOR_TYPE.
463 (gimplify_bind_expr): Likewise.
464 (gimplify_function_tree): Likewise.
465 * expmed.c: Include target.h.
466 (extract_bit_field): For vector mode, try find a better mode first.
467 If that fails use gen_lowpart (for vectors only).
468 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
469 and check for VECTOR_TYPE.
470 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
471 (insert_into_preds_of_block): Likewise.
472 (insert_fake_stores): Create gimple register store_tmps for
474 * tree-sra.c (sra_elt): New field, is_vector_lhs.
475 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
476 are the left hand side, set the element's is_vector_lhs to true.
477 (instantiate_element): For vector types which were on the left
478 hand size, set DECL_GIMPLE_REG_P to false.
479 * tree-nested.c (create_tmp_var_for): Use the renamed
481 * tree-inline.c (declare_return_variable): Use the renamed
482 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
483 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
484 (copy_result_decl_to_var): Likewise.
485 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
486 create a gimple register variable.
487 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
488 vect_inter_* temp variables.
489 * Makefile.in (expmed.o): Update dependencies.
491 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
493 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
494 the offset == 0 "then" clauses.
495 * config/rs6000/predicates.md (gpc_reg_operand): Check for
498 2006-12-12 Marcin Dalecki <martin@dalecki.de>
500 * doc/passes.texi: remove docs about "redundant PHI removal".
501 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
502 remove redundant pass_partition_blocks declaration.
504 2006-12-12 Andrew Macleod <amacleod@redhat.com>
506 PR tree-optimization/30159
507 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
508 functions in case a default_def coalesce is required.
510 2006-12-12 Jakub Jelinek <jakub@redhat.com>
513 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
515 * config/ia64/linux.h (CPP_SPEC): Define.
516 * config/s390/linux.h (CPP_SPEC): Define.
518 2006-12-12 Jim Wilson <wilson@specifix.com>
519 Jakub Jelinek <jakub@redhat.com>
521 PR rtl-optimization/27761
522 * combine.c (try_combine): Don't create a useless garbage SET
523 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
524 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
525 and use it to prevent accidental modification of i1src.
527 2006-12-12 Ira Rosen <irar@il.ibm.com>
529 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
530 for stores with gaps.
531 * tree-vect-transform.c (vect_permute_store_chain): Create
532 interleave_high or interleave_low according to the endianess.
534 2006-12-12 Richard Guenther <rguenther@suse.de>
537 * fold-const.c (fold_read_from_constant_string): Only fold read
538 from constant string if the result type is integer.
540 2006-12-12 Olivier Hainque <hainque@adacore.com>
542 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
544 2006-12-12 Olivier Hainque <hainque@adacore.com>
546 * config/vxlib.c: Extract tls related routines into ...
547 * config/vxlib-tls.c: New file.
548 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
550 2006-12-12 Sa Liu <saliu@de.ibm.com>
551 Ben Elliston <bje@au.ibm.com>
553 * config/spu/spu.opt (mfixed-range): New option.
554 * config/spu/spu.h (spu_fixed_range_string): Declare.
555 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
556 (fix_range): New function.
557 * doc/invoke.texi (SPU Options): Document -mfixed-range.
558 * testsuite/gcc.target/spu/fixed-range.c: New.
559 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
561 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
565 * cgraphunit.c (cgraph_optimize): Remove call to
566 process_pending_assemble_externals.
568 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
570 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
572 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
573 (ia64_hpux_add_extern_decl): Removed.
574 (ia64_hpux_file_end): Likewise.
575 (extern_func_list): Likewise.
576 (extern_func_head): Likewise.
578 * output.h (assemble_external): Update comments.
579 (default_elf_asm_output_external): New.
580 (maybe_assemble_visibility): New.
582 * toplev.c (compile_file): Update comment.
584 * varasm.c (assemble_external): Always put it on
585 pending_assemble_externals.
586 (maybe_assemble_visibility): Make it extern and return int.
587 (default_elf_asm_output_external): New.
589 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
591 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
592 can't handle the pointer arithmetic.
594 2006-12-11 Diego Novillo <dnovillo@redhat.com>
596 * doc/tree-ssa.texi: Update documentation for virtual operands
597 and the use of push_stmt_changes/pop_stmt_changes.
598 * doc/invoke.texi: Remove documentation for params
599 global-var-threshold.
600 Update documentation on max-aliased-vops.
602 * tree-into-ssa.c: Cleanup comments, variables and
603 spacing in various functions.
604 (regs_to_rename): Declare.
605 (mem_syms_to_rename): Declare.
606 (dump_update_ssa): Declare.
607 (debug_update_ssa): Declare.
608 (dump_names_replaced_by): Declare.
609 (debug_names_replaced_by): Declare.
610 (dump_def_blocks): Declare.
611 (debug_def_blocks): Declare.
612 (dump_defs_stack): Declare.
613 (debug_defs_stack): Declare.
614 (dump_currdefs): Declare.
615 (debug_currdefs): Declare.
616 (mark_def_sites): Do not handle virtual operands.
617 (compute_idf): Rename from find_idf. Update users.
618 (register_new_def): Make local. Convert second argument
620 Use BLOCK_DEFS_STACK directly.
621 If pushing a non-register, also push the underlying
623 (rewrite_stmt): Do not handle virtual operands.
624 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
625 dump_currdefs and dump_tree_ssa_stats.
626 (dump_tree_ssa_stats): Also dump REPL_TBL.
627 (replace_use): Remove. Update all users to call SET_USE
629 (rewrite_blocks): Move code to free memory to
631 (mark_def_site_blocks): Move initialization code to
633 (init_ssa_renamer): New.
634 (fini_ssa_renamer): New.
635 (rewrite_into_ssa): Call them.
636 (prepare_block_for_update): Process SSA_OP_ALL_USES first
637 and SSA_OP_ALL_DEFS later. Do not process virtual
639 (dump_update_ssa): Call dump_decl_set.
640 (init_update_ssa): Initialize regs_to_rename and
642 Call init_ssa_renamer.
643 (delete_update_ssa): Call fini_ssa_renamer.
644 Free blocks_with_phis_to_rewrite.
645 (mark_sym_for_renaming): If the variable has
646 sub-variables, also mark them.
647 If the variable belongs to a partition, also mark it.
648 (mark_set_for_renaming): Call mark_sym_for_renaming on
649 every symbol in the set.
650 (switch_virtuals_to_full_rewrite): Call
651 mark_set_for_renaming.
652 (update_ssa): Separate syms_to_rename into regs_to_rename
653 and mem_syms_to_rename.
655 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
656 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
657 (debug_generic_stmt): Likewise.
658 (debug_tree_chain): Likewise.
660 (dump_generic_node): Check for TDF_MEMSYMS.
661 Handle MEMORY_PARTITION_TAG.
662 If the statement references memory and TDF_MEMSYMS is
663 given, call dump_symbols.
664 Indicate default names with (D).
665 (dump_vops): Update for new virtual operator format.
667 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
668 tree_contains_struct.
669 (tree_code_size): Handle MEMORY_PARTITION_TAG.
670 (tree_node_structure): Likewise.
671 (needs_to_live_in_memory): Handle SSA names.
672 * tree.h (MTAG_P): Likewise.
673 (struct tree_memory_partition_tag): Declare.
674 (MPT_SYMBOLS): Define.
675 (union tree_node): Add field 'mpt'.
676 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
677 * tree.def (MEMORY_PARTITION_TAG): Define.
679 * tree-pass.h (TDF_MEMSYMS): Define.
681 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
683 * tree-ssa-alias.c: Include pointer-set.h
684 (struct alias_map_d): Remove fields total_alias_vops,
685 grouped_p and may_aliases. Update all users.
686 (struct mp_info_def): Declare.
687 (mp_info_t): New type.
688 (get_smt_for): Rename from get_tmt_for. Update all
690 (add_may_alias): Add argument ALREADY_ADDED. If given,
691 use it to avoid adding duplicate entries to alias sets.
692 (replace_may_alias): Remove. Update all users.
693 (total_alias_vops_cmp): Remove. Update all users.
694 (group_aliases_into): Remove. Update all users.
695 (tree_pointer_compare): Remove. Update all users.
696 (compact_name_tags): Remove. Update all users.
697 (group_aliases): Remove. Update all users.
698 (mark_non_addressable): Move from tree-flow-inline.h.
699 Remove the symbol from the partition holding it, if
702 (debug_mp_info): New.
704 (create_partition_for): New.
705 (rewrite_alias_set_for): New.
706 (compute_memory_partitions): New.
707 (compute_may_aliases): Call it.
708 (init_alias_info): If computing aliases for the first
709 time, mark every memory symbol for renaming.
710 (have_common_aliases_p): New.
711 (compute_flow_insensitive_aliasing): Call it.
712 (setup_pointers_and_addressables): Do not cache
714 For register promoted symbols, mark their former
715 partition for renaming.
716 (maybe_create_global_var): Only create .GLOBAL_VAR if
717 there are no call-clobbered variables and a mix of pure
718 and non-pure functions were found.
719 (may_alias_p): Tidy comments.
720 (create_tag_raw): Remove unused variable new_type.
721 (dump_alias_info): call dump_memory_partitions.
722 (dump_points_to_info_for): Call dump_decl_set.
723 (may_be_aliased): Tidy comments and formatting.
725 * timevar.def (TV_MEMORY_PARTITIONING): Define.
726 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
727 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
729 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
730 * tree-vect-transform.c (vect_transform_loop): Call
731 mark_set_for_renaming with vect_memsyms_to_rename.
732 * tree-flow-inline.h (zero_imm_uses_p): New.
733 (memory_partition): New.
734 (set_memory_partition): New.
735 (factoring_name_p): New.
736 (symbol_mem_tag): New. Update every function that used
737 to access the annotation directly.
738 (set_symbol_mem_tag): Likewise.
740 * tree-ssa-copy.c (may_propagate_copy): Allow copies
741 between a partition and a symbol as long as the symbol
742 belongs to the partition.
743 (merge_alias_info): Ignore merge requests when memory
744 partitions are involved.
746 * tree-ssa.c (verify_ssa_name): Check that default
747 definitions have empty defining statements.
748 (verify_use): Remove argument IS_VIRTUAL.
749 Don't call verify_ssa_name.
750 (verify_phi_args): Call verify_ssa_name.
751 (verify_flow_insensitive_alias_info): Handle MPTs.
752 (verify_flow_sensitive_alias_info): Likewise.
753 (verify_name_tags): Likewise.
754 (verify_call_clobbering): Likewise.
755 (verify_ssa): Check for VOPs only after aliasing
756 information is available.
757 Check virtuals and real operands separately.
758 Call verify_ssa_name on every operand.
759 (stmt_references_memory_p): Move to tree-ssa-operands.c.
760 (walk_use_def_chains_1): Guard against NULL PHI
763 * tree-ssa-operands.c (stmt_references_memory_p): Move from
766 (dump_memory_partitions): New.
767 (debug_memory_partitions): New.
769 * tree-flow.h (struct var_ann_d): Add field mpt.
770 (struct stmt_ann_d): Add bitfield references_memory.
771 * Makefile.in (tree-ssa-structalias.o): Include
773 (tree-ssa-alias.o): Likewise.
774 * tree-ssa-structalias.c: (update_alias_info): Use
775 STORED_SYMS to determine which variables are being
776 written to by the store operation.
777 * tree-ssa-structalias.h (struct alias_info)
778 <total_alias_vops>: Remove. Update all users.
779 <written_vars>: Change to a pointer set. Update all
781 <dereferenced_ptrs_store>: Likewise.
782 <dereferenced_ptrs_load>: Likewise.
783 (NUM_REFERENCES): Remove. Update all users.
784 (NUM_REFERENCES_CLEAR): Remove. Update all users.
785 (NUM_REFERENCES_INC): Remove. Update all users.
786 (NUM_REFERENCES_SET): Remove. Update all users.
788 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
790 (PARAM_MAX_ALIASED_VOPS): Set to 10.
791 * tree-ssanames.c (make_ssa_name): Initialize
792 SSA_NAME_IS_DEFAULT_DEF to 0.
794 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
796 * tree-ssa-dse.c (aggregate_vardecl_d): New.
797 (dse_global_data): Add aggregate_vardecl field.
798 (dse_possible_dead_store_p): New.
799 Add prev_defvar variable.
800 Allow immediate uses and previous immediate uses to differ
801 if they are setting different parts of the whole.
802 (get_aggregate_vardecl): New.
803 (dse_record_partial_aggregate_store): New.
804 (dse_whole_aggregate_clobbered_p): New.
805 (dse_partial_kill_p): New.
806 (dse_optimize_stmt): Abstract code checking a possible dead store
807 into new function dse_possible_dead_store_p().
808 Call dse_maybe_record_aggregate_store().
809 When checking whether a STMT and its USE_STMT refer to the
810 same memory address, check also for partial kills that clobber
812 Move some variable definitions to the block where they are used.
813 (aggregate_vardecl_hash): New.
814 (aggregate_vardecl_eq): New.
815 (aggregate_vardecl_free): New.
816 (aggregate_whole_store_p): New.
817 (tree_ssa_dse): Initialize and free aggregate_vardecl.
818 Mark which aggregate stores we care about.
820 2006-12-11 Andrew Macleod <amacleod@redhat.com>
822 * tree-ssa-operands.h (struct vuse_element_d): Declare.
823 (vuse_element_t): Declare.
824 (struct vuse_vec_d): Declare.
825 (vuse_vec_p): Declare.
826 (VUSE_VECT_NUM_ELEM): Define.
827 (VUSE_VECT_ELEMENT_NC): Define.
828 (VUSE_ELEMENT_PTR_NC): Define.
829 (VUSE_ELEMENT_VAR_NC): Define.
830 (VUSE_VECT_ELEMENT): Define.
831 (VUSE_ELEMENT_PTR): Define.
832 (VUSE_ELEMENT_VAR): Define.
833 (struct maydef_optype_d) <use_var>: Remove.
836 (struct vuse_optype_d) <kill_var>: Remove.
839 (struct mustdef_optype_d) <kill_var>: Remove.
842 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
843 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
846 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
847 (MAYDEF_OP): Add argument. Use VUSE_OP.
848 (MAYDEF_NUM): Define.
849 (MAYDEF_VECT): Define.
850 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
851 (MUSTDEF_KILL): Use VUSE_OP.
852 (MUSTDEF_NUM): Define.
853 (MUSTDEF_VECT): Define.
854 (realloc_maydef): Declare.
855 (realloc_vuse): Declare.
856 (struct ssa_operand_iterator_d) <vuse_index>: Add.
858 (LOADED_SYMS): Define.
859 (STORED_SYMS): Define.
860 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
861 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
863 * tree-pretty-print.c: Likewise.
864 * tree-ssa-dse.c: Likewise.
865 * tree-flow-inline.h: Likewise.
866 (op_iter_next_mustdef): New.
867 * tree-ssa-operands.c: Likewise.
868 (ALLOC_OPTYPE): Remove.
874 (alloc_mustdef): New.
875 (realloc_maydef): New.
878 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
880 * tree-ssa-operands.c: Remove build_v_must_defs.
881 (init_ssa_operands): Delete build_v_must_defs.
882 (finalize_ssa_v_must_def_ops): Remove.
883 (finalize_ssa_v_must_defs): Remove.
884 (finalize_ssa_stmt_operands): Do not call
885 finalize_ssa_v_must_defs.
886 (start_ssa_stmt_operands): Do not check build_v_must_defs.
887 (append_v_must_def): Delete.
888 (copy_virtual_operands): Do not copy V_MUST_DEFs.
889 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
890 comment. Remove opf_kill_def.
891 (build_ssa_operands): Remove references to v_must_defs.
892 (copy_virtual_operands): Same.
893 (copy_virtual_operands): Same.
894 (fini_ssa_operands): Same.
895 (free_ssa_operands): Same.
896 (add_mustdef_op): Remove.
897 Remove mustdef_optype_p.
898 (alloc_mustdef): Remove.
899 Remove references to V_MUST_DEFs in comment at top of file.
900 (get_expr_operands): Remove opf_kill_def.
901 (opf_kill_def): Remove.
902 (add_virtual_operand): Remove opf_kill_def.
903 (get_indirect_ref_operands): Same.
904 (get_tmr_operands): Same.
906 * tree-vectorizer.c (rename_variables_in_bb): Remove
909 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
911 (check_loop_closed_ssa_stmt): Same.
913 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
915 (verify_ssa): Remove V_MUST_DEFs traces.
916 (verify_ssa): Remove SSA_OP_ALL_KILLS.
918 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
920 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
921 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
923 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
925 (MUSTDEF_OPS): Remove.
926 (SSA_OP_VMUSTDEF): Remove.
927 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
928 (struct mustdef_optype_d): Remove.
929 Remove mustdef_optype_p.
930 (struct stmt_operands_d): Remove mustdef_ops.
931 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
932 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
933 (MUSTDEF_RESULT_PTR): Remove.
934 (MUSTDEF_RESULT): Remove.
935 (MUSTDEF_KILL_PTR): Remove.
936 (MUSTDEF_KILL): Remove.
937 (MUSTDEF_NUM): Remove.
938 (MUSTDEF_VECT): Remove.
939 (SSA_OP_VIRTUAL_KILLS): Remove.
940 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
941 (SSA_OP_VMUSTKILL): Remove.
942 (SSA_OP_ALL_KILLS): Remove.
943 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
945 * tree-flow-inline.h (op_iter_init_def): Remove
946 SSA_OP_VIRTUAL_KILLS.
947 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
949 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
950 SSA_OP_VIRTUAL_KILLS.
952 * tree-ssa-loop-im.c (determine_max_movement): Remove
953 SSA_OP_VIRTUAL_KILLS.
954 (gather_mem_refs_stmt): Same.
955 (gather_mem_refs_stmt): Same.
957 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
958 (perform_tree_ssa_dce): Remove call to
959 mark_really_necessary_kill_operand_phis.
961 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
963 (op_iter_next_use): Do not check mustkills.
964 (op_iter_next_def): Do not check mustdefs.
965 (op_iter_next_tree): Do not check mustkills or mustdefs.
966 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
967 (op_iter_next_maymustdef): Do not check mustkills.
968 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
969 (op_iter_init_mustdef): Remove.
971 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
974 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
976 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
977 (visit_assignment): Same.
979 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
981 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
983 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
985 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
986 Remove kill_p variable.
988 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
989 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
990 (collect_dfa_stats_r): Do not set num_v_must_defs.
991 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
994 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
997 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
998 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1000 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1003 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1005 PR rtl-optimization/30113
1006 * loop-iv.c (implies_p): Require the mode of the operands to be
1009 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1011 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1012 Rename from create_ssa_artficial_load_stmt. Update all users.
1013 * tree-into-ssa.c (register_new_def): Make static.
1014 * tree.c (is_global_var): Handle SSA_NAMEs.
1015 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1016 that used to call gimple_default_def.
1017 * tree-ssa-operands.c (push_stmt_changes): New.
1018 (pop_stmt_changes): New. Update every pass that modifies
1019 statements to bracket modifications with
1020 push_stmt_changes/pop_stmt_changes.
1021 (discard_stmt_changes): New.
1022 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1023 'tree *' instead of 'tree'. Update all users.
1024 * tree-flow-inline.h (zero_imm_uses_p): New.
1025 (symbol_mem_tag): New. Update every function that used
1026 to access the annotation directly.
1027 (set_symbol_mem_tag): Likewise.
1028 * tree-dfa.c (dump_variable): Always show the escape mask.
1029 (mark_symbols_for_renaming): Rename from
1030 mark_new_vars_to_rename. Update all users.
1031 Only mark to rename naked symbols in real and virtual
1034 2006-12-11 Andreas Schwab <schwab@suse.de>
1036 * varasm.c (elf_record_gcc_switches): Cast second argument of
1037 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1039 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1041 * tree-scalar-evolution.c (scev_const_prop):
1042 * tree-phinodes.c (remove_phi_node): Add argument
1043 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1046 * tree-ssa-dce.c: Remove forward declarations for static
1047 functions. Re-arrange functions bodies as needed.
1048 (find_obviously_necessary_stmts): Never mark PHI nodes as
1049 obviously necessary.
1051 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1053 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1055 2006-12-11 Jan Hubicka <jh@suse.cz>
1057 * value-prof.c (tree_stringops_transform): New.
1058 (tree_value_profile_transformations): Require count to be non-zero;
1059 call stringop transform; reset stmt BSI after BB changed.
1060 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1061 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1062 (tree_stringops_values_to_profile): New.
1063 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1064 * tree.h (build_string_literal): Tidy prototype.
1065 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1067 * builtins.c (validate_arglist, builtin_memset_read_str,
1068 get_pointer_alignment): Export.
1070 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1074 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1076 * config/i386/i386.opt: New target option -mx87regparm.
1078 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1079 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1080 (X87_REGPARM_MAX): Define.
1082 * config/i386/i386.c (override_options): Error out for
1083 -mx87regparm but no 80387 support.
1084 (ix86_attribute_table): Add x87regparm.
1085 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1086 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1087 (ix86_function_x87regparm): New function.
1088 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1090 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1092 (function_arg_advance): Process x87_nregs and x87_regno when
1093 floating point argument is to be passed in 80387 register.
1094 (function_arg): Pass XFmode arguments in 80387 registers for local
1095 functions. Pass SFmode and DFmode arguments to local functions
1096 in 80387 registers when flag_unsafe_math_optimizations is set.
1098 * reg-stack.c (convert_regs_entry): Disable NaN load for
1099 stack registers that are used for argument passing.
1101 * doc/extend.texi: Document x87regparm function attribute.
1102 * doc/invoke.texi: Document -mx87regparm.
1104 2006-12-11 Jan Hubicka <jh@suse.cz>
1106 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1107 * cgraph.c: Update comments.
1108 (cgraph_varpool_hash,
1109 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1110 cgraph_varpool_node_name, cgraph_varpool_node,
1111 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1112 cgraph_variable_initializer_availability): Move to
1113 varpool.c and drop cgraph_ prefixes.
1114 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1115 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1116 move to varpool.c; drop cgraph_ prefix; make static.
1117 (dump_cgraph_varpool_node): Move to varpool.c under name
1119 (dump_varpool, hash_varpool_node, eq_varpool_node,
1120 decide_is_variable_needed): Move to varpool.c
1121 (decl_assembler_name_equal): Move to tree.c.
1122 (availability_names): Rename to ...
1123 (cgraph_availability_names): ... this one.
1124 (dump_cgraph_node): Update.
1125 * cgraph.h: Reorder declarations now in varpool.c
1126 (cgraph_vailablity_names): Declare.
1127 (struct cgraph_varpool_node): Rename to ...
1128 (struct varpool_node): ... this one.
1129 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1130 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1131 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1132 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1133 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1134 cgraph_variable_initializer_availability): Rename to ...
1135 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1136 varpool_first_unanalyzed_node, varpool_node,
1137 varpool_node_for_asm, varpool_mark_needed_node,
1138 varpool_finalize_decl, varpool_enqueue_needed_node,
1139 varpool_assemble_pending_decls, variable_initializer_availability):
1141 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1142 * tree.h (decl_assembler_name_equal): Declare.
1143 * omp-low.c (lower_omp_critical): Update.
1144 * ipa-reference (analyze_variable, static_execute): Likewise.
1145 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1146 * cgraphunit.c: Update comments.
1147 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1148 varpool_assembled_nodes_queue.
1149 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1150 varpool_analyze_pending_decls.
1151 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1152 varpool_remove_unreferenced_decls.
1153 (record_reference): Update.
1154 (cgraph_create_edges): Update.
1155 (record_referneces_in_initializer): New function.
1156 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1157 varpool_assemble_decl; make global.
1158 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1159 varpool_assemble_pending_decls.
1160 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1161 struct cgraph_order_sort, cgraph_output_in_order,
1162 cgraph_function_and_variable_invisibility, cgraph_optimize,
1163 cgraph_increase_alignment): Update.
1164 * dwarf2out.c (decls_for_scope): Likewise.
1165 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1166 * except.c (output_ttype): Likewise.
1167 * varasm.c (mark_decl_referenced): Likewise.
1168 (find_decl_and_mark_referenced, assemble_alias): update.
1169 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1170 * passes.c (rest_of_decl_compilation): Update.
1172 2006-12-11 Ira Rosen <irar@il.ibm.com>
1174 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1175 GIMPLE_STMT_OPERAND.
1176 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1177 (vect_setup_realignment): Likewise.
1179 2006-12-11 Sa Liu <saliu@de.ibm.com>
1180 Ben Elliston <bje@au.ibm.com>
1182 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1183 (ENDFILE_SPEC): Likewise.
1184 * config/spu/spu.opt (mstdmain): New option.
1185 * config/spu/crti.asm: Remove.
1186 * config/spu/crtn.asm: Likewise.
1187 * config/spu/crt0.c: Likewise.
1188 * config/spu/crtend.c: Likewise.
1189 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1191 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1192 * doc/invoke.texi (SPU Options): Document -mstdmain.
1194 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1196 * doc/loop.texi: Document number_of_latch_executions and
1197 number_of_cond_exit_executions.
1198 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1199 chrec_is_positive, number_of_iterations_for_all_loops,
1200 scev_const_prop): Use number_of_latch_executions.
1201 (set_nb_iterations_in_loop): Do not increase the value of the
1202 number of iterations.
1203 (number_of_iterations_in_loop): Renamed to ...
1204 (number_of_latch_executions): ... this.
1205 (number_of_exit_cond_executions): New function.
1206 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1208 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1209 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1210 number_of_latch_executions.
1211 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1212 number_of_exit_cond_executions.
1213 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1214 * cfgloop.h (struct loop): Improve description of the nb_iterations
1217 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1219 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1220 (tree_pointer_compare): Remove.
1222 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1224 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1225 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1226 * tree-loop-linear.c (linear_transform_loops): Ditto.
1227 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1228 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1229 free_numbers_of_iterations_estimates): Ditto.
1230 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1231 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1232 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1233 * modulo-sched.c (sms_schedule): Ditto.
1234 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1235 tree_unroll_loops_completely): Ditto.
1236 * predict.c (predict_loops): Ditto.
1237 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1238 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1239 decide_unrolling_and_peeling): Ditto.
1240 * cfgloopmanip.c (unloop): Use delete_loop.
1241 (place_new_loop): Access larray vector instead of parray.
1242 (create_preheaders, force_single_succ_latches,
1243 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1244 * loop-doloop.c (doloop_optimize_loops): Ditto.
1245 * loop-invariant.c (move_loop_invariants): Ditto.
1246 * tree-cfg.c (replace_uses_by): Ditto.
1247 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1248 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1250 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1252 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1253 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1254 get_loop and get_chrec_loop.
1255 (number_of_iterations_for_all_loops): Use number_of_loops.
1256 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1257 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1258 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1260 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1261 chrec_convert_1): Use get_loop and get_chrec_loop.
1262 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1263 (loop_optimizer_init): Use FOR_EACH_LOOP.
1264 * tree-vectorizer.c (vect_loops_num): Removed.
1265 (vectorize_loops): Store number of loops locally. Use
1266 FOR_EACH_LOOP and get_loop.
1267 * tree-vectorizer.h (vect_loops_num): Removed.
1268 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1269 (find_data_references_in_loop): Do not set parallel_p.
1270 * tree-data-ref.h: Do not declare VEC(loop_p).
1271 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1272 verify_loop_structure): Use FOR_EACH_LOOP.
1273 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1274 (initialize_loops_parallel_p): Removed.
1275 (flow_loops_find): Push the loops into a vector.
1276 (delete_loop): New function.
1277 (cancel_loop): Use delete_loop.
1278 * cfgloop.h: Declare VEC(loop_p).
1279 (struct loop): Remove parallel_p field.
1280 (struct loops): Replace num and parray field by larray vector.
1281 Remove shared_headers field.
1282 (delete_loop): Declare.
1283 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1284 FOR_EACH_LOOP): New.
1285 * doc/loop.tex: Document new accessor functions.
1287 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1289 * common.opt (-ftree-lrs): Remove live range splitting option.
1290 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1291 * opts.c (decode_options): Remove flag_tree_live_range_split.
1292 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1293 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1294 * tree-outof-ssa.c: Remove header files which aren't needed.
1295 (SSANORM_*): Remove flags.
1296 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1297 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1298 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1299 (assign_vars): Use Basevar instead of root_var structure.
1300 (replace_def_variable): Dont do anything if def is replaceable.
1301 (remove_ssa_form): Integrate functional changes.
1302 (rewrite_out_of_ssa): Remove live-range_split option.
1303 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1304 (coalesce_cost): Calculate the cost of a coalesce.
1305 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1306 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1307 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1308 (pop_best_coalesce): Remove the best coalesce from the list.
1309 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1310 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1311 (create_coalesce_list): Create a coalesce list object.
1312 (delete_coalesce_list): Free a coalesce list object.
1313 (find_coalesce_pair): Find matching pair in the coalesce list.
1314 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1315 (add_coalesce): Add a coalesce to the coalesce list.
1316 (compare_pairs): Comparision function to determine pair sorted order.
1317 (num_coalesce_pairs): Number of coalesced pairs.
1318 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1319 Coalesce pair iterator functions.
1320 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1321 (dump_coalesce_list): Show coalesce list.
1322 (ssa_conflicts_new): Create an SSA conflict graph.
1323 (ssa_conflicts_delete): Delete an SSA conflict graph.
1324 (ssa_conflicts_test_p): Test for conflicts.
1325 (ssa_conflicts_add_one): Add a single conflict.
1326 (ssa_conflicts_add): Add a conflict pair.
1327 (ssa_conflicts_merge): Merge conflicts.
1328 (struct live_track_d): Struct for tracking live partitions.
1329 (new_live_track): Create new live_track object.
1330 (delete_live_track): Delete a live_track object.
1331 (live_track_remove_partition): Remove a partition from the live list.
1332 (live_track_add_partition): Add a partition from the live list.
1333 (live_track_clear_var): Take VAR from the live list.
1334 (live_track_live_p): Is var live?
1335 (live_track_process_use): Make var come alive.
1336 (live_track_process_def): Make var go dead, add conflicts.
1337 (live_track_init): Initialize to a live on exit set.
1338 (live_track_clear_base_vars): Clear live partitions.
1339 (build_ssa_conflict_graph): Build a conflict graph.
1340 (print_exprs): Common debug output routine.
1341 (abnormal_corrupt): Output info about a failed coalesce across an
1343 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1344 (create_outofssa_var_map): Create a var map and coalesce list.
1345 (attempt_coalesce): Coalesce a pair.
1346 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1347 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1348 * tree-ssa-live.c: Remove header files which aren't needed.
1349 (var_map_base_init): New. Initialize a basevar list.
1350 (var_map_base_fini): New. Finish a basevar list.
1351 (init_var_map): Initialize new fields.
1352 (delete_var_map): Free new fields.
1353 (var_union): Use renamed fields.
1354 (compact_var_map): Remove.
1355 (partition_to_view_init): Use renamed fields, change order of an if.
1356 (partition_view_fini): Use renamed fields.
1357 (partition_view_normal): Create basevar list if requested.
1358 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1359 (change_partition_var): Use renamed fields.
1360 (create_ssa_var_map): Remove.
1361 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1362 root_var_init): Remove.
1363 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1364 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1365 compare_pairs, num_coalesce_pairs, first_partition_pair,
1366 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1367 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1368 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1369 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1370 (dump_var_map): Use renamed fields.
1371 * tree-ssa-live.h (struct _var_map): Modify fields.
1372 (partition_to_var, version_to_var, var_to_partition): Use renamed
1374 (basevar_index): New. Index of the base variable of a partition.
1375 (num_basevars): New. Number of unique base variables in partition map.
1376 (register_ssa_partition): Use renamed fields.
1377 (struct tree_partition_associator_d): Remove.
1378 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1379 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1380 root_var, root_var_first_partition, root_var_next_partition,
1381 root_var_dump, root_var_delete, root_var_remove_partition,
1382 root_var_find, root_var_compact, root_var_decompact): Remove.
1383 (struct partition_pair, struct coalesce_list_d): Moved to
1385 * tree-ssa-ter.c: Remove header files which aren't needed.
1387 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1389 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1390 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1392 (cse_visited_basic_blocks): New static bitmap.
1393 (cse_end_of_basic_block, cse_basic_block): Remove.
1394 (cse_find_path, cse_dump_path, cse_prescan_path,
1395 cse_extended_basic_block): New static functions.
1396 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1397 basic block boundaries. Don't record jump equivalences here.
1398 Update the CFG after doing in-place replacement of the SET_SRC.
1399 (cse_main): Rewrite. Look for extended basic block headers
1400 and call cse_extended_basic_block on them until all paths that
1401 start at this header are exhausted.
1402 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1403 and correct after cse_main.
1404 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1405 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1406 (pass_cse): Add TODO_verify_flow.
1407 (pass_cse2): Likewise.
1409 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1411 * reload1.c (choose_reload_regs): Don't set byte offset when
1412 resolving subregs of hard regs.
1414 2006-12-09 Zack Weinberg <zackw@panix.com>
1416 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1417 suitable for the language, if set_yydebug is true.
1418 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1419 YYDEBUG or declare yydebug.
1420 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1422 2006-12-09 Jan Hubicka <jh@suse.cz>
1424 * cgraph.c: Update copyright.
1425 * cgraph.h: Likewise
1426 (cgraph_update_pending_function): Remove prototype.
1427 * cgraphunit.c: Update copyright; update overall comment.
1428 (cgraph_assemble_pending_functions): Make local.
1430 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1432 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1434 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1436 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1438 (cpat_const_p, gen_cpat_const): Add.
1439 * config/spu/spu.c (immediate_class): New enum.
1440 (cpat_info, classify_immediate): New.
1441 (print_operand): Use S, D, T instead of F, G, H. Use
1442 classify_immediate. Handle cpat cases.
1443 (spu_split_immediate): Renamed from spu_split_address. Split all
1444 immediates that can be split.
1445 (immediate_load_p): Use classify_immediate.
1446 (spu_legitimate_constant_p): Accept everything except some cases of
1448 (spu_expand_move): Use spu_split_immedate.
1449 (fsmbi_const_p): Use classify_immediate.
1450 (cpat_const_p): New.
1451 (gen_cpat_const: New.
1452 * config/spu/constraints.md (j,k,l): New constraints for cpat
1454 * config/spu/spu.md (unnamed splitter): Change address splitter to
1455 handle all immediates.
1456 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1458 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1461 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1464 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1465 patterns. Correct length of high:DI instruction sequence.
1467 2006-12-08 Mike Stump <mrs@apple.com>
1469 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1470 libgcc with -mmacosx-version-min=10.4.
1471 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1472 G4 for 10.5+ unless doing kernel builds.
1474 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1477 * reg-stack.c (convert_regs_entry): Mark current argument passing
1480 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1481 of float arguments in x87 registers.
1483 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1485 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1487 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1489 * recog.c (mode_dependent_address_p): Identify pre-increment,
1490 pre-decrement, post-increment and post-decrement addressing as always
1491 being mode-dependent.
1492 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1493 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1494 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1495 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1496 PRE_INC and POST_INC checks.
1497 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1498 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1499 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1500 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1501 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1502 PRE_INC, POST_DEC and POST_INC cases.
1503 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1504 Delete POST_INC and PRE_DEC cases.
1505 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1507 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1508 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1510 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1511 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1512 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1513 PRE_INC and PRE_DEC cases.
1514 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1515 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1516 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1517 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1518 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1519 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1520 auto-increment cases.
1521 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1522 auto-increment cases.
1523 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1525 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1527 * Makefile.in: Add new file tree-ssa-ter.c.
1528 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1529 free_temp_expr_table, add_value_to_version_list,
1530 add_value_to_partition_list, remove_value_from_partition_list,
1531 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1532 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1533 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1534 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1536 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1537 (struct value_expr_d): Remove.
1538 (struct temp_expr_table_d): Rename fields, add explicit vector of
1539 replaceable expressions instead of sharing. Change value_expr_p's to
1540 bitmap. Delete free_list.
1541 (new_temp_expr_table): Rename fields, count number of ssa_names in
1543 (free_temp_expr_table): Rename field, free new fields.
1544 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1545 add_info_to_list, remove_value_from_list): Delete.
1546 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1547 (make_dependent_on_partition): New. Set bit in version list, allocating
1548 a bitmap if need be.
1549 (add_to_partition_kill_list): New. Set bit in the partition list,
1550 allocating a bitmap if need be.
1551 (remove_from_partition_kill_list): New. Remove a bit from the
1552 partition list, free the bitmap if it is empty.
1553 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1554 on partitions with only one member.
1555 (is_replaceable_p): New. Split out replaceability check from
1557 (process_replaceable): New. Code split from check_replaceable.
1558 (check_replaceable): Removed.
1559 (finished_with_expr): Renamed from finish_expr.
1560 (kill_expr): Use renamed fields and less parameters.
1561 (kill_virtual_exprs): Less parameters.
1562 (mark_replaceable): Use renamed fields.
1563 (find_replaceable_in_bb): Use renamed fields, cleanup.
1564 (find_replaceable_exprs): Use renamed routines, cleanup.
1565 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1566 (debug_ter): New. Debug routine to dump state.
1568 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1570 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1571 anything involving the GOT.
1572 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1573 (trapping_loads_p): Look inside the pattern of an insn to find the
1575 * config/bfin/bfin.md (attr "type"): Add movcc.
1576 (insn_reservation "alu"): Likewise.
1577 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1579 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1581 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1582 (spu_resolve_overloaded_builtin): Check for non scalar instead
1583 of vector type and check the function call argument type also for
1585 Call build_function_call instead of spu_build_overload_builtin.
1587 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1589 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1590 to the calls of hwint_to_const_double.
1592 2006-12-07 Nick Clifton <nickc@redhat.com>
1594 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1595 elf_record_gcc_switches.
1597 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1599 * expr.c (string_constant): Account for non-zero lower bound arrays.
1601 2006-12-07 Richard Guenther <rguenther@suse.de>
1603 * builtins.c (expand_builtin_pow): Adjust predicates for
1604 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1607 2006-12-07 Jan Hubicka <jh@suse.cz>
1609 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1612 2006-12-07 Jan Hubicka <jh@suse.cz>
1614 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1615 use fold_constant_to_binary; tolerate wrong type constants.
1616 (value_intersect_p): Do just two tests.
1618 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1620 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1621 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1622 lshifthi3): Use it, and fix the order of alternatives.
1624 2006-12-07 Nick Clifton <nickc@redhat.com>
1626 * common.opt (record-gcc-switches): New command line switch.
1627 * target.h (print_switch_type): New enum.
1628 (print_switch_fn_type): New typedef for a function pointer.
1629 (struct gcc_target): Add record_gcc_switches and
1630 record_gcc_switches_section fields.
1631 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1633 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1635 * toplev.c (print_single_switch): Simplify by providing a
1636 pointer to function that will format and output the switch
1638 (print_switch_values): Likewise.
1639 (print_to_asm_out_file): New function.
1640 (print_to_stderr): New function.
1641 (init_asm_output): If flag_record_gcc_switches is set then if
1642 the target supports recording the switches then emit them into
1643 the assembler output file, otherwise tell the user that the
1644 switch is not supported.
1645 * varasm.c (eld_record_gcc_switches): New function. Example
1646 handler for the record_gcc_switches target hook.
1647 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1649 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1650 * doc/invoke.texi (-frecord-gcc-switches): Document.
1652 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1655 * sched-rgn.c (add_block1): Use correct initializer.
1657 2006-12-07 Richard Guenther <rguenther@suse.de>
1659 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1660 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1662 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1665 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1666 not GIMPLE_MODIFY_STMT.
1668 2006-12-06 Jan Hubicka <jh@suse.cz>
1670 * tree-vrp.c (operand_less_p): New.
1671 (compare_values, value_inside_range): Rewrite in terms of
1674 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1676 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1678 (length_immediate): Do not depend on cld type attribute.
1679 (length_address): Ditto.
1682 (cld): Remove insn pattern.
1683 (strmov_singleop): Do not use DIRFLAG_REG.
1684 (*strmovdi_rex_1): Ditto.
1685 (*strmovsi_1): Ditto.
1686 (*strmovsi_rex_1): Ditto.
1687 (*strmovhi_1): Ditto.
1688 (*strmovhi_rex_1): Ditto.
1689 (*strmovqi_1): Ditto.
1690 (*strmovqi_rex_1): Ditto.
1692 (*rep_movdi_rex64): Ditto.
1693 (*rep_movsi): Ditto.
1694 (*rep_movsi_rex64): Ditto.
1695 (*rep_movqi): Ditto.
1696 (*rep_movqi_rex64): Ditto.
1697 (strset_singleop): Ditto.
1698 (*strsetdi_rex_1): Ditto.
1699 (*strsetsi_1): Ditto.
1700 (*strsetsi_rex_1): Ditto.
1701 (*strsethi_1): Ditto.
1702 (*strsethi_rex_1): Ditto.
1703 (*strsetqi_1): Ditto.
1704 (*strsetqi_rex_1): Ditto.
1706 (*rep_stosdi_rex64): Ditto.
1707 (*rep_stossi): Ditto.
1708 (*rep_stossi_rex64): Ditto.
1709 (*rep_stosqi): Ditto.
1710 (*rep_stosqi_rex64): Ditto.
1711 (cmpstrnsi): Do not generate cld insn.
1712 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1713 (*cmpstrnqi_nz_1): Ditto.
1714 (*cmpstrnqi_nz_rex_1): Ditto.
1715 (cmpstrnqi_1): Ditto.
1716 (*cmpstrnqi_1): Ditto.
1717 (*cmpstrnqi_rex_1): Ditto.
1718 (strlenqi_1): Ditto.
1719 (*strlenqi_1): Ditto.
1720 (*strlenqi_rex_1): Ditto.
1722 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1723 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1724 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1726 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1727 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1729 (k6_alux_only_load): Ditto.
1730 (k6_alux_only_store): Ditto.
1732 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1733 Do not emit cld instruction.
1734 (ix86_expand_setmem): Ditto.
1735 (ix86_expand_strlen): Do not emit cld instruction.
1737 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1739 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1742 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1744 * gdbinit.in: Set complaints to 0.
1746 2006-12-06 Jan Hubicka <jh@suse.cz>
1748 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1749 ALONE_MEM_STAT_DECL): New macros.
1750 * bitmap.h: Include statistics.h
1751 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1752 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1753 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1754 * bitmap.c: Include hashtab.h
1755 (bitmap_descriptor): New.
1756 (bitmap_hash): New static variable
1757 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1758 New static functions.
1759 (bitmap_register): New.
1760 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1761 bitmap_obstack_release): Do accounting.
1762 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1764 (bitmap_gc_alloc_stat): Likewise.
1765 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1766 (print_statistics, dump_bitmap_statistics): New functions.
1767 * toplev.c (finalize): Dump bitmap statistics.
1769 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * reload1.c (delete_output_reload): Count occurrences in
1772 CALL_INSN_FUNCTION_USAGE.
1773 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1774 crashing at the end of the list.
1776 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1778 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1779 Optimize to avoid marking more SMT's as used when they aren't.
1781 2006-12-05 Eric Christopher <echristo@apple.com>
1783 * config/i386/i386.c (x86_output_aligned_bss): Move out
1784 of COMMON_ASM_OP ifdef.
1786 2006-12-05 Eric Christopher <echristo@apple.com>
1788 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1789 (STARTFILE_SPEC): Use.
1790 (DARWIN_DYLIB1_SPEC): New.
1791 (DARWIN_CRT1_SPEC): New.
1792 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1794 * config/i386/darwin.h: Ditto.
1795 * config/rs6000/darwin.h: Ditto.
1797 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1799 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1800 * tree-complex.c (pass_lower_complex): Ditto.
1801 * tree-ssa-ccp.c (pass_ccp): Ditto.
1802 (pass_store_ccp): Ditto.
1803 * tree-ssa-dom.c (pass_dominator): Ditto.
1804 (pass_phi_only_cprop): Ditto.
1805 * tree-sra.c (pass_sra): Ditto.
1806 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1807 * tree-flow.h (updating_used_alone): Remove.
1808 (updating_used_alone): Ditto.
1809 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1810 (lhs_may_store_to): Remove function.
1811 (recalculate_used_alone): Ditto.
1812 (compute_may_aliases): Remove used_alone calculation.
1813 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1814 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1815 * tree-pass.h (PROP_smt_usage): Remove.
1816 * passes.c (execute_todo): Remove used alone recalculation.
1817 (execute_one_pass): Ditto.
1818 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1821 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1823 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1825 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1827 PR tree-optimization/14784
1828 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1830 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1832 Merge from gimple-tuples-branch.
1834 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1836 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1838 (s390_gimplify_va_arg): Same.
1839 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1840 * config/sh/sh.c (sh_va_start): Same.
1841 (sh_gimplify_va_arg_expr): Same.
1842 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1843 (xtensa_gimplify_va_arg_expr): Same.
1844 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1845 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1846 * config/mips/mips.c (mips_va_start): Same.
1847 (mips_gimplify_va_arg_expr): Same.
1849 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1851 * Merge from mainline at revision 119445.
1853 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1855 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1857 (spu_gimplify_va_arg_expr): Same.
1859 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1861 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1862 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1863 (xstormy16_expand_builtin_va_arg): Same.
1865 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1867 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1868 to GIMPLE_MODIFY_STMT.
1870 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1872 * config/alpha/alpha.c (va_list_skip_additions): Change all
1873 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1874 (alpha_va_start): Same.
1875 (alpha_gimplify_va_arg_1): Same.
1876 (alpha_gimplify_va_arg): Same.
1878 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1880 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1882 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1884 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1885 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1887 * tree-complex.c: Same.
1888 * tree-pretty-print.c: Same.
1892 * fold-const.c: Same.
1893 * tree-ssa-dom.c: Same.
1894 * tree-ssa-propagate.c: Same.
1895 * tree-ssa-alias.c: Same.
1896 * gimple-low.c: Same.
1897 * dwarf2out.c: Same.
1898 * c-pretty-print.c: Same.
1900 * tree-inline.c: Same.
1901 * tree-outof-ssa.c: Same.
1902 * tree-ssa-structalias.c: Same.
1903 * tree-ssa-reassoc.c: Same.
1906 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1908 * tree.c (build2_stat): Fix comment.
1910 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1912 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1913 TREE_OPERAND when appropriate.
1915 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1917 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1918 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1919 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1920 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1921 not handle GIMPLE_MODIFY_STMT in the switch statement.
1922 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1923 (java_gimplify_new_array_init): Same.
1925 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1927 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1928 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1929 * fold-const.c (fold_binary): Allow gimple statements.
1931 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1932 Rename from gfc_conv_descriptor_data_set.
1933 Call gfc_add_modify instead of gfc_add_modify_expr.
1934 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1935 Rename from gfc_conv_descriptor_data_set.
1936 (gfc_conv_descriptor_data_set): New macro.
1937 (gfc_conv_descriptor_data_set_tuples): New macros.
1938 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1939 gfc_conv_descriptor_data_set_tuples.
1940 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1941 Generate GIMPLE_MODIFY_STMT when appropriate.
1942 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1943 (gfc_add_modify_expr): New macro.
1944 (gfc_add_modify_stmt): New macro.
1945 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1947 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1949 * Merge from mainline at revision 118200.
1951 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1953 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1956 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1958 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1960 Also, add __extension__ to GCC versions.
1961 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1962 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1965 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1967 * tree-complex.c (expand_complex_libcall): Adjust for
1969 (expand_complex_comparison): Same.
1970 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1971 GIMPLE_STMT_P statements.
1972 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1974 (tree_mod_pow2_value_transform): Same.
1975 (tree_mod_subtract_transform): Same.
1976 * tree.c (build2_stat): Check for gimplified function in cfun.
1977 * tree.h (DECL_GIMPLIFIED): Delete.
1978 (struct tree_function_decl): Remove gimplified_flag.
1979 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1980 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1981 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1982 (cxx_omp_clause_copy_ctor): Same.
1983 (cxx_omp_clause_assign_op): Same.
1984 * c-pretty-print.c (pp_c_conditional_expression): Same.
1985 (pp_c_expression): Same.
1986 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1987 * function.h (struct function): Add gimplified field.
1988 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1990 (find_phi_replacement_condition): Same.
1991 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1992 (gimplify_modify_expr_to_memset): Same.
1993 (gimplify_init_ctor_eval_range): Same.
1994 (gimplify_modify_expr_complex_part): Same.
1995 (tree_to_gimple_tuple): Same.
1996 (gimplify_modify_expr): Same.
1997 (gimple_push_cleanup): Same.
1998 (gimplify_omp_for): Same.
1999 (gimplify_omp_atomic_pipeline): Same.
2000 (gimplify_omp_atomic_mutex): Same.
2001 (gimplify_expr): Same.
2002 (gimplify_one_sizepos): Same.
2003 (gimplify_function_tree): Same.
2004 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2005 (vect_recog_widen_sum_pattern): Same.
2006 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2007 (vect_create_epilog_for_reduction): Same.
2008 (vectorizable_reduction): Same.
2010 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2012 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2013 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2014 (ifc_temp_var): Same.
2015 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2016 for gimple statements.
2017 (vect_analyze_operations): Same.
2018 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2019 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2020 * lambda-code.c (can_put_in_inner_loop): Same.
2021 (can_put_after_inner_loop): Same.
2022 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2023 (vect_create_data_ref_ptr): Same.
2024 (vect_init_vector): Same.
2025 (vect_get_vec_def_for_operand): Same.
2026 (vect_create_epilog_for_reduction): Same.
2027 (vectorizable_reduction): Same.
2028 (vectorizable_assignment): Same.
2029 (vectorizable_operation): Same.
2030 (vectorizable_load): Same.
2031 (vectorizable_condition): Same.
2032 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2033 (rs6000_gimplify_va_arg): Same.
2035 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2037 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2038 GIMPLE_STMT_OPERAND.
2039 (simplify_abs_using_ranges): Same.
2040 * tree-complex.c (expand_complex_operations_1): Use
2041 PROTECTED_TREE_OPERAND.
2042 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2044 (get_val_for): Use GIMPLE_STMT_OPERAND.
2045 * tree-tailcall.c (adjust_accumulator_values): Same.
2046 (adjust_return_value): Same.
2047 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2048 case. Remove special case for tcc_gimple_stmt.
2049 * tree.h (CAN_HAVE_LOCATION_P): New.
2050 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2052 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2053 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2054 * tree-nrv.c (execute_return_slot_opt): Same.
2055 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2056 * tree-vn.c (set_value_handle): Same.
2057 (get_value_handle): Same.
2058 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2059 * tree-vectorizer.c (find_loop_location): Same.
2060 * c-typeck.c (c_process_expr_stmt): Same.
2061 (c_finish_stmt_expr): Same.
2062 * gimplify.c (should_carry_locus_p): Same.
2063 (tree_to_gimple_tuple): Delete definition and use of unecessary
2064 variable save_tree_block.
2065 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2066 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2067 (realify_fake_stores): Same.
2068 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2070 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2071 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2072 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2073 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2074 (c_parser_statement_after_labels): Same.
2075 (c_parser_paren_condition): Same.
2076 (c_parser_for_statement): Same.
2077 (c_parser_omp_for_loop): Same.
2078 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2079 (linearize_expr_tree): Same.
2080 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2081 * function.c (instantiate_expr): Same.
2083 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2085 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2086 (set_expr_location): Same.
2088 (set_expr_locus): Same.
2089 (expr_filename): Same.
2090 (expr_lineno): Same.
2091 (tree_block): Use GIMPLE_STMT_BLOCK.
2092 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2093 * tree.h (struct gimple_stmt): Remove prev and next.
2094 (GIMPLE_STMT_OPERAND_CHECK): New.
2095 (TREE_TO_GIMPLE_STMT): Delete.
2096 (GIMPLE_STMT_TO_TREE): Delete.
2097 (GIMPLE_STMT_OPERAND): Use union, not cast.
2098 (GIMPLE_STMT_LOCUS): New.
2099 (GIMPLE_STMT_BLOCK): New.
2100 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2102 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2104 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2106 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2108 * tree-tailcall.c (adjust_return_value): Same.
2109 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2110 (copy_node_stat): Change common.base to base.
2111 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2112 Remove GIMPLE_STATEMENT_LIST case.
2113 * tree.h (struct gimple_stmt): Make operands of type tree.
2114 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2115 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2116 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2117 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2118 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2119 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2120 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2121 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2122 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2123 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2124 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2125 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2126 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2127 Change common.base to base.
2128 (GIMPLE_STATEMENT_LIST*): Remove.
2129 (union tree_node): Add base. Remove gimple_statement_list.
2130 Remove pointer from gstmt.
2131 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2132 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2133 * tree-vn.c (vn_compute): Change common.base to base.
2134 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2135 * tree-flow-inline.h (var_ann): Same.
2136 (function_ann): Same.
2138 (mark_non_addressable): Same.
2139 * gimplify.c (tree_to_gimple_tuple): Same.
2140 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2141 * tree-dfa.c (create_var_ann): Change common.base to base.
2142 (create_function_ann): Same.
2143 (create_stmt_ann): Same.
2144 (create_tree_ann): Same.
2145 (collect_dfa_stats_r): Same.
2146 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2147 * tree-ssa-dce.c (NECESSARY): Same.
2148 * tree-ssa.c (delete_tree_ssa): Same.
2149 * tree-optimize.c (execute_free_cfg_annotations): Same.
2150 * tree-flow.h: Same.
2152 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2154 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2155 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2157 * tree.h (struct gimple_stmt): Add prev and next fields.
2158 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2159 (GIMPLE_STATEMENT_LIST_HEAD): New.
2160 (GIMPLE_STATEMENT_LIST_TAIL): New.
2161 (struct gimple_statement_list): New.
2162 (union tree_node): Add gimple_stmt_list and gstmt.
2163 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2164 * tree.def: Add GIMPLE_STATEMENT_LIST.
2166 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2168 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2169 * tree-vrp.c (build_assert_expr_for): Change uses of
2170 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2171 (find_assert_locations): Same.
2172 (remove_range_assertions): Same.
2173 (stmt_interesting_for_vrp): Same.
2174 (vrp_visit_assignment): Same.
2175 (vrp_visit_stmt): Same.
2176 (simplify_cond_using_ranges): Same.
2177 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2179 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2180 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2182 (determine_invariantness_stmt): Same.
2183 (schedule_sm): Same.
2184 (gather_mem_refs_stmt): Same.
2185 * tree-complex.c (init_dont_simulate_again): Same.
2186 (complex_visit_stmt): Same.
2187 (set_component_ssa_name): Same.
2188 (expand_complex_move): Same.
2189 (expand_complex_div_wide): Same.
2190 (expand_complex_comparison): Same.
2191 (expand_complex_operations_1): Same.
2192 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2193 (chain_of_csts_start): Same.
2194 (infer_loop_bounds_from_undefined): Same.
2195 * tree-pretty-print.c (dump_generic_node): Same.
2197 (op_symbol_1): Same.
2198 * tree-ssa-loop-manip.c (create_iv): Same.
2199 * value-prof.c (tree_divmod_fixed_value): Same.
2200 (tree_divmod_fixed_value_transform): Same.
2201 (tree_mod_pow2): Same.
2202 (tree_mod_pow2_value_transform): Same.
2203 (tree_mod_subtract): Same.
2204 (tree_mod_subtract_transform): Same.
2205 (tree_divmod_values_to_profile): Same.
2206 * tree-tailcall.c (process_assignment): Same.
2207 (find_tail_calls): Same.
2208 (adjust_accumulator_values): Same.
2209 (adjust_return_value): Same.
2210 (eliminate_tail_call): Same.
2211 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2212 (make_node_stat): Same.
2213 (copy_node_stat): Handle gimple tuples.
2214 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2215 (tree_node_structure): Handle tcc_gimple_stmt.
2216 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2218 (build2_gimple_stat): New.
2219 (expr_location): New.
2220 (set_expr_location): New.
2221 (expr_has_location): New.
2223 (set_expr_locus): New.
2224 (expr_filename): New.
2226 (walk_tree): Handle tcc_gimple_stmt.
2228 (protected_tree_operand): New.
2229 (protected_tree_type): New.
2230 (tree_code_kind): Add gimple statements.
2231 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2232 (IS_GIMPLE_STMT_CODE_CLASS): New.
2233 (struct tree_base): New.
2234 (struct tree_common): Shrink.
2235 (struct gimple_stmt): New.
2236 (struct gimple_expr): New.
2237 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2238 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2239 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2240 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2241 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2242 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2243 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2244 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2245 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2246 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2247 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2248 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2249 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2250 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2251 Adjust for new `common' layout.
2252 (struct tree_function_decl): Add gimplified_flag.
2253 (DECL_GIMPLIFIED): NEW.
2254 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2255 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2256 EXPR_HAS_LOCATION): Call corresponding function.
2257 (GIMPLE_STMT_CHECK): New.
2258 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2259 (TREE_BLOCK): Call tree_block.
2260 (GIMPLE_STMT_P): New.
2261 (GIMPLE_TUPLE_P): New.
2262 (TREE_TO_GIMPLE_STMT): New.
2263 (GIMPLE_STMT_TO_TREE): New.
2264 (GIMPLE_STMT_OPERAND): New.
2265 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2266 (PROTECTED_TREE_OPERAND): New.
2267 (PROTECTED_TREE_TYPE): New.
2268 (build2_gimple_stat): Protoize.
2269 (build2_gimple): New.
2270 (expr_location): Protoize.
2271 (set_expr_location): Protoize.
2272 (expr_has_location): Protoize.
2273 (expr_locus): Protoize.
2274 (set_expr_locus): Protoize.
2275 (expr_filename): Protoize.
2276 (expr_lineno): Protoize.
2277 (tree_block): Protoize.
2278 (protected_tree_operand): Protoize.
2279 (protected_tree_type): Protoize.
2280 (enum tree_node_kind): Add gimple_stmt_kind.
2281 * c-decl.c (union lang_tree_node): Tuples do not have a
2283 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2284 GIMPLE_MODIFY_STMT and adjust accordingly.
2285 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2286 (interpret_condition_phi): Same.
2287 (pointer_used_p): Same.
2288 (analyze_scalar_evolution_1): Same.
2289 (scev_const_prop): Same.
2290 (interpret_rhs_modify_stmt): Rename from
2291 interpret_rhs_modify_expr.
2292 * builtins.c (std_expand_builtin_va_start): Change uses of
2293 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2294 (std_gimplify_va_arg_expr): Same.
2295 (expand_builtin_va_copy): Same.
2296 (integer_valued_real_p): Same.
2297 * fold-const.c (maybe_lvalue_p): Same.
2299 (tree_expr_nonnegative_p): Same.
2300 (tree_expr_nonzero_p): Same.
2301 * omp-low.c (extract_omp_for_data): Same.
2302 (lower_rec_input_clauses): Same.
2303 (lower_reduction_clauses): Same.
2304 (lower_copyprivate_clauses): Same.
2305 (lower_send_clauses): Same.
2306 (lower_send_shared_vars): Same.
2307 (expand_parallel_call): Same.
2308 (expand_omp_parallel): Same.
2309 (expand_omp_for_generic): Same.
2310 (expand_omp_for_static_nochunk): Same.
2311 (expand_omp_for_static_chunk): Same.
2312 (expand_omp_sections): Same.
2313 (lower_omp_single_copy): Same.
2314 (lower_omp_parallel): Same.
2315 * tree-ssa-dse.c (memory_address_same): Same.
2316 (dse_optimize_stmt): Same.
2317 * ipa-reference.c (scan_for_static_refs): Same.
2318 * tree-gimple.c (is_gimple_reg_rhs): Same.
2319 (get_call_expr_in): Same.
2320 (recalculate_side_effects): Same.
2321 * cgraphunit.c (cgraph_create_edges): Same.
2322 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2323 * tree-ssa-ccp.c (get_default_value): Same.
2324 (likely_value): Same.
2325 (visit_assignment): Same.
2326 (ccp_visit_stmt): Same.
2327 (get_maxval_strlen): Same.
2328 (ccp_fold_builtin): Same.
2329 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2330 (find_givs_in_stmt): Same.
2331 (find_interesting_uses_op): Same.
2332 (find_interesting_uses_stmt): Same.
2333 (rewrite_use_nonlinear_expr): Same.
2334 * ipa-pure-const.c (scan_function): Same.
2335 * tree-stdarg.c (va_list_counter_bump): Same.
2336 (check_all_va_list_escapes): Same.
2337 (execute_optimize_stdarg): Same.
2338 * tree-ssa-math-opts.c (compute_merit): Same.
2339 (insert_reciprocals): Same.
2340 (execute_cse_reciprocals): Same.
2341 * tree-ssa-dom.c (initialize_hash_element): Same.
2342 (simple_iv_increment_p): Same.
2343 (record_equivalences_from_stmt): Same.
2344 (optimize_stmt): Same.
2345 (remove_stmt_or_phi): Same.
2346 (get_rhs_or_phi_arg): Same.
2347 (get_lhs_or_phi_result): Same.
2348 (propagate_rhs_into_lhs): Same.
2349 * tree-nrv.c (tree_nrv): Same.
2350 (execute_return_slot_opt): Same.
2351 * tree-ssa-propagate.c (get_rhs): Same.
2353 (stmt_makes_single_load): Same.
2354 (stmt_makes_single_store): Same.
2355 (replace_vuses_in): Same.
2356 (fold_predicate_in): Same.
2357 (substitute_and_fold): Same.
2358 * tree-ssa-alias.c (compute_call_clobbered): Same.
2359 (recalculate_used_alone): Same.
2360 (count_uses_and_derefs): Same.
2361 (is_escape_site): Same.
2362 (find_used_portions): Same.
2363 * gimple-low.c (lower_stmt): Same.
2364 (block_may_fallthru): Same.
2365 (lower_return_expr): Same.
2366 * tree-ssa-sink.c (is_hidden_global_store): Same.
2367 (statement_sink_location): Same.
2368 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2369 * expr.c (safe_from_p): Same.
2370 (expand_expr_real): Same.
2371 (expand_expr_real_1): Same.
2372 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2373 * predict.c (expr_expected_value): Same.
2374 (strip_builtin_expect): Same.
2375 (apply_return_prediction): Same.
2376 (tree_bb_level_predictions): Same.
2377 (tree_estimate_probability): Same.
2378 * tree-vn.c (vn_compute): Same.
2379 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2380 (remove_stmt_from_eh_region_fn): Same.
2381 (do_return_redirection): Same.
2382 (honor_protect_cleanup_actions): Same.
2383 (lower_try_finally_switch): Same.
2384 (lower_eh_constructs_1): Same.
2385 (tree_could_throw_p): Same.
2386 (verify_eh_throw_stmt_node): Same.
2387 * function.c (gimplify_parameters): Same.
2388 * tree-vectorizer.c (vect_is_simple_use): Same.
2389 (vect_is_simple_reduction): Same.
2390 * ipa-type-escape.c (scan_for_refs): Same.
2391 * tree-if-conv.c (tree_if_conversion): Same.
2392 (tree_if_convert_stmt): Same.
2393 (if_convertible_gimplify_modify_stmt_p): Rename from
2394 if_convertible_modify_expr_p.
2395 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2396 (ifc_temp_var): Same.
2397 (replace_phi_with_cond_modify_stmt): Rename from
2398 replace_phi_with_cond_modify_expr.
2399 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2400 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2401 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2403 * tree-flow-inline.h (var_ann): Same.
2404 (function_ann): Same.
2406 (mark_non_addressable): Same.
2407 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2408 * gimplify.c (tree_to_gimple_tuple): New.
2409 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2410 (gimplify_return_expr): Same.
2411 (gimplify_decl_expr): Same.
2412 (gimplify_self_mod_expr): Same.
2413 (gimplify_cond_expr): Same.
2414 (gimplify_init_constructor): Same.
2415 (gimplify_modify_expr): Same.
2416 (gimplify_expr): Same.
2417 (gimplify_function_tree): Same.
2418 (force_gimple_operand): Same.
2419 * tree-ssa-phiopt.c (conditional_replacement): Same.
2420 (minmax_replacement): Same.
2421 (abs_replacement): Same.
2422 * tree-dfa.c (create_var_ann): Same.
2423 (create_function_ann): Same.
2424 (create_stmt_ann): Same.
2425 (create_tree_ann): Same.
2426 (collect_dfa_stats_r): Same.
2427 * tree-ssa-pre.c (find_or_generate_expression): Same.
2428 (create_expression_by_pieces): Same.
2429 (try_look_through_load): Same.
2430 (insert_fake_stores): Same.
2431 (realify_fake_stores): Same.
2432 (compute_avail): Same.
2435 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2436 Adjust for GIMPLE_MODIFY_STMT.
2437 (NECESSARY): Adjust for new `common' layout.
2438 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2440 * tree-sra.c (sra_walk_modify_stmt): Rename from
2441 sra_walk_modify_expr.
2442 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2443 (generate_copy_inout): Same.
2444 (generate_element_copy): Same.
2445 (generate_element_zero): Same.
2446 (scalarize_copy): Same.
2447 * tree-mudflap.c (mf_decl_cache_locals): Same.
2448 (mf_build_check_statement_for): Same.
2449 (mf_xform_derefs): Same.
2450 * ipa-prop.c (ipa_method_modify_stmt): Same.
2451 * print-tree.c (print_node): Handle gimple tuples.
2452 Add case for tcc_gimple_stmt.
2453 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2455 (copy_prop_visit_assignment): Same.
2456 (copy_prop_visit_stmt): Same.
2457 (init_copy_prop): Same.
2458 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2459 (forward_propagate_into_cond_1): Same.
2460 (find_equivalent_equality_comparison): Same.
2461 (tidy_after_forward_propagate_addr): Same.
2462 (forward_propagate_addr_expr_1): Same.
2463 (simplify_not_neg_expr): Same.
2464 (simplify_switch_expr): Same.
2465 * tree-ssa-dce.c (find_pdom): Same.
2466 (mark_stmt_if_obviously_necessary): Same.
2467 (NECESSARY): Adjust for new `common' layout.
2468 * tree-flow.h: Same.
2469 * tree-vect-patterns.c (widened_name_p): Adjust for
2471 (vect_recog_dot_prod_pattern): Same.
2472 (vect_recog_widen_sum_pattern): Same.
2473 (vect_pattern_recog_1): Same.
2474 * tree-nested.c (init_tmp_var): Same.
2475 (save_tmp_var): Same.
2477 (convert_call_expr): Same.
2478 (finalize_nesting_tree_1): Same.
2479 * tree-ssa.c (verify_ssa): Same.
2480 (delete_tree_ssa): Same.
2481 * lambda-code.c (lbv_to_gcc_expression): Same.
2482 (lle_to_gcc_expression): Same.
2483 (lambda_loopnest_to_gcc_loopnest): Same.
2484 (can_put_in_inner_loop): Same.
2485 (can_convert_to_perfect_nest): Same.
2486 (perfect_nestify): Same.
2487 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2488 * tree-inline.c (copy_body_r): Same.
2489 (setup_one_parameter): Same.
2490 (initialize_inlined_parameters): Same.
2491 (estimate_num_insns_1): Same.
2492 (expand_call_inline): Same.
2493 (gimple_expand_calls_inline): Same.
2494 (copy_tree_r): Same.
2495 * tree-optimize.c (execute_free_cfg_annotations): Same.
2496 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2497 (vect_align_data_ref): Same.
2498 (vect_create_data_ref_ptr): Same.
2499 (vect_init_vector): Same.
2500 (vect_create_epilog_for_reduction): Same.
2501 (vectorizable_reduction): Same.
2502 (vectorizable_assignment): Same.
2503 (vectorizable_operation): Same.
2504 (vectorizable_store): Same.
2505 (vectorizable_load): Same.
2506 (vectorizable_live_operation): Same.
2507 (vectorizable_condition): Same.
2508 (vect_generate_tmps_on_preheader): Same.
2509 (vect_create_cond_for_align_checks): Same.
2510 * tree-object-size.c (collect_object_sizes_for): Same.
2511 (check_for_plus_in_loops_1): Same.
2512 (check_for_plus_in_loops): Same.
2513 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2514 (replace_use_variable): Same.
2515 (check_replaceable): Same.
2516 (rewrite_trees): Same.
2517 (identical_copies_p): Same.
2518 (insert_backedge_copies): Same.
2519 * tree-profile.c (tree_gen_edge_profiler): Same.
2520 * tree-vect-generic.c (expand_vector_operations_1): Same.
2521 * tree-ssa-structalias.c (update_alias_info): Same.
2522 (find_func_aliases): Same.
2523 * tree-cfg.c (factor_computed_gotos): Same.
2525 (make_goto_expr_edges): Same.
2526 (tree_merge_blocks): Same.
2527 (remove_useless_stmts_cond): Same.
2528 (remove_useless_stmts_1): Same.
2529 (tree_find_edge_insert_loc): Same.
2530 (verify_expr): Same.
2531 (gimplify_val): Same.
2532 (verify_gimple_tuples_1): New.
2533 (verify_gimple_tuples): New.
2534 (verify_stmts): Call verify_gimple_tuples.
2535 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2536 (get_unary_op): Same.
2537 (linearize_expr): Same.
2538 (get_single_immediate_use): Same.
2539 (negate_value): Same.
2540 (should_break_up_subtract): Same.
2541 (break_up_subtract): Same.
2542 (repropagate_negates): Same.
2543 (break_up_subtract_bb): Same.
2544 (reassociate_bb): Same.
2545 * config/i386/i386.c (ix86_va_start): Same.
2546 (ix86_gimplify_va_arg): Same.
2547 * stmt.c (expand_expr_stmt): Same.
2548 (warn_if_unused_value): Same.
2549 (expand_return): Same.
2550 * tree-ssanames.c (make_ssa_name): Same.
2551 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2552 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2553 (add_virtual_operand): Same.
2554 (get_expr_operands): Same.
2555 (parse_ssa_operands): Same.
2556 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2558 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2560 * config.host: Remove extra blank line.
2562 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2564 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2565 target is also an x86 variant.
2567 2006-12-05 Richard Guenther <rguenther@suse.de>
2569 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2570 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2571 (ix86_builtin_vectorized_function): New function to vectorize
2574 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2576 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2577 ia64_override_options.
2579 2006-12-04 Jan Hubicka <jh@suse.cz>
2581 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2584 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2586 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2587 * config/bfin/bfin.c: Include "timevar.h".
2588 (bfin_flag_schedule_insns2, splitting_for_sched,
2589 bfin_flag_var_tracking): New variables.
2590 (print_operand): Handle '%!'.
2591 (override_options): Disable normal sched2 pass, instead set
2592 bfin_flag_schedule_insns2 for reorg to handle it.
2593 (output_file_start): Likewise for var-tracking.
2594 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2595 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2597 (bfin_reorg): Do second scheduling pass here, and call
2598 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2599 of examining insns directly. If bfin_flag_var_tracking, call
2600 var-tracking pass when done with everything else.
2601 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2602 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2603 (movsi_insn32): New pattern, with two new splits to create it
2604 before the final scheduling pass.
2605 (neghi2): Not a dsp32 insn, rather alu0.
2606 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2607 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2608 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2609 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2610 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2611 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2612 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2613 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2614 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2615 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2616 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2617 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2618 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2619 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2620 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2621 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2622 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2623 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2624 variants instead of ';'.
2625 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2626 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2627 (align8, align16, align24): Now named patterns; also using '%!'.
2630 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2632 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2633 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2635 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2637 * config/spu/spu-protos.c (spu_split_address): Add.
2638 * config/spu/spu.c (spu_split_address): Add.
2639 (print_operand): Handle HIGH.
2640 (spu_legitimate_address): Don't test for aligned CONST.
2641 (spu_expand_mov): Don't split addresses here.
2642 * config/spu/constraints.md (A): Don't test legitimate_const.
2643 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2644 (ceq_di): Use correct predicates.
2646 2006-12-04 Eric Christopher <echristo@apple.com>
2648 * config/darwin.h: Update copyright notice.
2649 * config/i386/darwin.h: Ditto.
2651 2006-12-04 Jan Hubicka <jh@suse.cz>
2653 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2654 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2656 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2658 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2660 * tree-ssa-structalias.c (set_used_smts): Export.
2661 (find_what_p_points_to): Don't call set_used_smts here.
2662 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2664 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2666 * tree-ssa-alias.c (compute_may_aliases):
2667 Compute flow sensitive before flow insensitive.
2668 (compute_flow_sensitive_aliasing): Don't try to add
2669 a symbol memory tag to itself.
2671 * alias.h (alias_set_subset_of): New prototype.
2673 * alias.c (alias_set_subset_of): New function.
2675 * tree-ssa-structalias.c: Update comments.
2676 (struct variable_info): Add finished_solution.
2677 (new_varinfo): Set finished solution to NULL.
2678 (var_escaped_vars): Remove.
2679 (escaped_vars_tree): Remove.
2680 (escaped_vars_id): Remove.
2681 (nonlocal_vars_id): Remove.
2682 (constraint_expr_type): Add INCLUDES.
2683 (graph_size): Removed.
2684 (dump_constraint): Support INCLUDES.
2685 (build_constraint_graph): Ditto.
2686 (collapse_nodes): Add merge_solutions argument.
2687 Don't merge attributes.
2688 (process_unification_queue): Just use collapse_nodes.
2689 (perform_var_substitution): Update call to collapse_nodes.
2690 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2691 (process_constraint): Fix non-field sensitive handling
2693 (get_constraint_for): Use INCLUDES.
2694 (make_constraint_from_anything): Renamed from
2695 make_constraint_from_escaped.
2696 (make_constraint_to_escaped): Removed.
2697 (find_global_initializers): Removed.
2698 (create_variable_info_for): Do not make constraints to escaped
2700 (dump_solution_for_var): Don't print out the equivalent points-to
2701 sets, just use the name of the variable it shares it with.
2702 (intra_create_variable_infos): Use INCLUDES.
2703 Change nonlocal variable sets to anything sets.
2704 (init_base_vars): Remove escaped_vars and nonlocal_var
2706 (find_escape_constraints): Removed.
2707 (delete_points_to_sets): Remove dead code.
2708 (used_smt_calculated): New variable.
2709 (set_used_smts): New function.
2710 (merge_smts_into): New function.
2711 (find_what_p_points_to): Modify to use SMTs.
2712 (create_nonlocal_var): Remove.
2714 * tree-ssa-operands.c (access_can_touch_variable): Remove
2715 reference to nonlocal_all.
2717 * tree-ssa.c (verify_name_tags): Remove.
2719 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2721 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2722 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2724 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2726 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2727 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2728 (add_livein_if_notdef): Delete.
2729 (loe_visit_block): New. Propogate live on entry info for a block into
2730 each predecessor. If it changes, make sure it is visited again.
2731 (live_worklist): Visit every block and update the live on entry info
2732 for preds. Iterate over any that changed.
2733 (set_var_live_on_entry): Populate the live on entry blocks with bits
2734 based on the immediate uses of a var.
2735 (calculate_live_on_entry): Remove.
2736 (calculate_live_on_exit): Calculate live on exit based on the newly
2737 oriented live on entry bits.
2738 (calculate_live_ranges): Build live on entry and exit vectors.
2739 (dump_live_info): Use new orientation of live on entry bitmaps.
2740 (verify_live_on_entry): New. Split out verification code from old
2741 calculate_live_on_entry routine.
2742 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2743 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2744 basic_block instead of for a partition.
2745 (live_merge_and_clear): Add asserts.
2746 (make_live_on_entry): Set partition bit in basic block vector.
2748 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2751 * omp-low.c (expand_omp_for_static_nochunk,
2752 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2756 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2757 parallels if region->exit or region->inner->exit is NULL.
2758 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2760 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2761 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2762 or region->exit is NULL.
2763 (expand_omp_sections): Handle NULL region->cond or region->exit.
2766 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2768 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2769 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2771 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2773 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2774 TYPE_MAX_VALUE for scalar types here but...
2775 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2776 is attached an error mark, and the return value of the callback
2777 if it is not NULL_TREE.
2779 2006-12-04 Ben Elliston <bje@au.ibm.com>
2781 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2783 2006-12-03 Eric Christopher <echristo@apple.com>
2786 * config/t-slibgcc-darwin: Pass -install_name.
2787 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2788 libtool. Only pass through options that the linker recognizes.
2789 (LINK_SPEC): Update comment. Translate options.
2790 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2791 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2793 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2795 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2797 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2800 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2801 operands[1] in insn constraint. Correct type attribute to sselog1.
2803 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2806 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2808 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2809 processor detection.
2811 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2812 -march=native if there is no -mtune=*.
2814 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2817 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2819 * doc/install.texi: Update recommended MPFR version. Remove
2820 obsolete reference to cumulative patch.
2822 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2825 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2827 2006-11-30 Jan Hubicka <jh@suse.cz>
2828 Uros Bizjak <ubizjak@gmail.com>
2830 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2831 32bit memcpy/memset decriptors.
2832 (decide_alg): With -minline-all-stringops and sizes that are best
2833 to be copied via libcall still work hard enough to pick non-libcall
2836 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2838 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2840 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2841 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2842 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2843 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2844 config/spu/spu-c.c, config/spu/spu-modes.def,
2845 config/spu/spu.c, config/spu/spu.md,
2846 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2847 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2848 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2849 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2850 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2851 spelling conventions.
2853 * config/i386/i386.c: Fix a comment typo.
2855 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2857 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2858 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2859 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2860 better optimization.
2861 (floatv4siv4sf2): New.
2862 (fix_truncv4sfv4si2): New.
2863 (floatunsv4siv4sf2): New.
2864 (fixuns_truncv4sfv4si2): New.
2872 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2873 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2874 spu_resolve_overloaded_builtin instead of static inline functions.
2876 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2878 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2879 type instead of the size of its mode to compute the highest and
2880 lowest possible values. Still check the size of the mode before
2881 flipping the signedness of the comparison.
2883 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2885 * config/spu/predicates.md (spu_mov_operand): Add.
2886 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2887 (print_operand_address, print_operand): Handle addresses containing AND.
2888 (spu_split_load, spu_split_store): Use updated movti pattern.
2889 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2890 stores in mov patterns for correct operation of reload.
2891 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2893 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2896 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2898 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2900 * common.opt (ftree-combine-temps): Remove.
2901 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2902 (coalesce_ssa_name): Don't check for combine-temps.
2903 (coalesce_vars): Remove.
2904 (check_replaceable): Use num_imm_uses.
2905 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2906 check for combine-temps.
2907 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2908 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2909 to register_ssa_partition calls.
2910 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2911 (init_var_map, delete_var_map): remove refernces to ref_count.
2912 (create_ssa_var_map): Never calculate a ref count.
2913 (type_var_init): Remove.
2914 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2915 (SSA_VAR_MAP_REF_COUNT): Delete.
2916 (create_ssa_var_map): Change Prototype to have no parameters.
2917 (version_ref_count): Delete.
2918 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2920 (type_var_num, type_var, type_var_first_partition,
2921 type_var_next_partition, type_var_dump, type_var_delete,
2922 type_var_remove_partition, type_var_find, type_var_compact,
2923 type_var_decompact): Remove.
2925 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2927 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2930 2006-12-01 Richard Guenther <rguenther@suse.de>
2933 * dwarf2out.c (struct pubname_struct): Make name const.
2934 (add_pubtype): Do not xstrdup identifiers.
2936 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2938 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2939 multiword accesses are in range.
2941 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR tree-optimization/29921
2944 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2945 (set_lattice_value): Use canonicalize_float_value.
2947 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2949 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2950 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2951 (spu_cpu_cpp_builtins): Remove.
2952 (spu_override_options): Don't set warn_main.
2953 (spu_force_reg): Move from spu-c.c.
2954 (spu_check_builtin_parm): Likewise.
2955 (expand_builtin_args): Likewise.
2956 (spu_expand_builtin_1): Likewise.
2957 (spu_expand_builtin): Likewise.
2958 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2959 warn_main and targetm.resolve_overloaded_builtin.
2960 * config/spu/spu-c.c (spu_builtin_range): Remove.
2961 (spu_check_builtin_parm): Remove.
2962 (expand_builtin_args): Remove.
2963 (spu_expand_builtin_1): Remove.
2964 (spu_expand_builtin): Remove.
2965 (spu_cpu_cpp_builtins): Moved from spu.c
2966 (spu_force_reg): Remove.
2968 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2969 David Edelsohn <edelsohn@gnu.org>
2972 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2973 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2974 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2975 HARD_REGNO_NREGS_WITH_PADDING): Define.
2976 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2977 HARD_REGNO_NREGS_WITH_PADDING): Define.
2978 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2979 Use new macros to detect modes with holes; do not look at integer
2981 (subreg_offset_representable_p): Check for and disallow cases
2982 where the modes use different numbers of bits from registers.
2983 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2984 constant for soft-float.
2985 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2987 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2988 in E500 double case.
2989 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2990 (movtf_softfloat): New.
2992 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2994 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2995 simplify_gen_subreg.
2997 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2999 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3000 (COALESCE_HASH_FN): New. Define hash function.
3001 (partition_pair_map_hash): New. Hash value for a partition pair.
3002 (partition_pair_map_eq): New. Equality for hash pairs.
3003 (create_coalesce_list): Create hash table.
3004 (delete_coalesce_list): Free hash table.
3005 (find_partition_pair): Find/create pairs in hash table.
3006 (compare_pairs): Sort pairs in ascending order now.
3007 (num_coalesce_pairs): New. Number of pairs in hash table.
3008 (struct partition_pair_iterator): Iterator struct for pair table.
3009 (first_partition_pair): Iterator function for first pair.
3010 (end_partition_pair_p): Iterator function for end of iteration.
3011 (next_partition_pair): Iterator function for next pair.
3012 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3013 (sort_coalesce_list): Sort pairs from hash table into an array.
3014 (pop_best_coalesce): Take pairs from the array.
3015 (dump_coalesce_list): Update to use hash table or sorted array.
3016 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3017 (struct coalesce_list_d): Add hash table related fields.
3019 2006-11-30 Jan Hubicka <jh@suse.cz>
3022 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3023 memmove/bcopy->memcpy conversion.
3025 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3027 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3028 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3029 Default is the largest alignment supported for 32-bit ELF and
3030 representable on a 32-bit host.
3032 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3034 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3036 2006-11-30 Jan Hubicka <jh@suse.cz>
3038 * tree-ssa-operands.h (struct ssa_operands): New.
3039 * tree-flow-inline.h (gimple_ssa_operands): New function.
3040 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3041 * Makefile.in: Remove gt-tree-ssa-operands.h
3042 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3043 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3044 operand_memory, operand_memory_index, ops_active): Remove statics.
3045 (ALLOC_OPTYPE): Update.
3046 (operand_build_sort_virtual): Update.
3047 (ssa_operands_active): Update.
3048 (init_ssa_operands): Update.
3049 (fini_ssa_operands): Update.
3050 (ssa_operand_alloc): Update.
3051 (INITIALIZE_USE): Update.
3052 (finalize_ssa_use_ops): Update.
3053 (finalize_ssa_v_may_def_ops): Update.
3054 (finalize_ssa_vuse_ops): Update.
3055 (finalize_ssa_v_must_def_ops): Update.
3057 2006-11-30 Richard Guenther <rguenther@suse.de>
3059 * tree-vectorizer.h (vectorizable_function): Export.
3060 * tree-vect-transform.c (vectorizable_function): Likewise.
3061 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3062 type_in to scalar type in recognition of squaring.
3063 Make sure the target can vectorize sqrt in recognition
3064 of sqrt, set type_in to vector type in this case.
3066 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3068 * config/i386/i386.md (R10_REG): New constant.
3069 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3070 (ix86_emit_restore_regs_using_mov): Ditto.
3071 (ix86_expand_call): Ditto.
3072 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3074 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3076 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3077 * alias.c (canon_true_dependence): Update comment.
3079 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3081 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3082 at the end of a diagnostics message.
3084 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3085 until after asserting that it was allocated in the right pool.
3087 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3088 successor edge information as well. Make output of live regs
3089 on exit consistent with live regs on entry.
3091 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3094 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3095 insn patterns for TARGET_80387.
3096 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3097 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3098 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3099 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3100 Generate truncxf<mode>2 insn patterns for strict SSE math.
3102 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3104 * config/i386/i386.md (movsf_1): Enable pattern for standard
3105 80387 constants before reload when optimizing for size.
3106 (*movdf_nointeger, *movdf_integer): Ditto.
3107 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3108 80387 constants before reload when not optimizing for size.
3110 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3111 extension of XFmode input operands.
3113 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3115 * config/spu/crt0.c (__dso_handle): Define.
3117 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3119 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3120 when clearing the used flags.
3122 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3124 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3126 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3129 * config/spu/spu.md (extend_compare<mode>): New pattern.
3130 (extend_compare): Change to expand and use the above pattern.
3132 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3134 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3136 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3137 (DFP_INIT_ROUNDMODE): Define.
3138 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3139 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3141 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3143 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3144 Update documentation.
3145 (associate_line_notes_with_blocks): Kill.
3146 (extend_bb): Remove basic block argument, put void instead.
3147 Remove line number handling for each bb.
3148 (save_line_notes): Kill.
3149 (restore_line_notes): Kill.
3150 (sched_init): Remove line_note_head initialization.
3151 Change extend_bb call.
3152 (sched_finish): Remove free of line_note_head.
3153 (add_block): Change extend_bb call.
3154 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3155 rm_line_notes and restore_line_notes calls.
3156 (schedule_ebbs): Remove rm_redundant_line_notes.
3157 * sched-int.h (struct haifa_insn_data): Remove line_note.
3158 (save_line_notes): Remove declaration.
3159 (restore_line_notes): Remove declaration.
3160 * modulo-sched.c (loop_canon_p): Update debug info printing
3161 by using insn locators instead of line note.
3162 (sms_schedule): Update debug info printing, by using insn
3163 locators instead of line note.
3164 * sched-rgn.c (debug_dependencies): Remove handling of case
3165 n>0 (line number), since it's a dead code.
3166 (schedule_region): Remove save_line_notes and
3167 restore_line_notes calls.
3169 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3171 * config/rs6000/predicates.md (gpc_reg_operand): Check
3172 invalid_e500_subreg.
3173 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3174 SImode subregs of SPE vectors.
3175 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3176 * jump.c (true_regnum): Require subregs to satisfy
3177 subreg_offset_representable_p.
3179 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3180 Steven Bosscher <stevenb.gcc@gmail.com>
3182 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3183 since it no longer exists.
3185 2006-11-29 Duncan Sands <baldrick@free.fr>
3187 PR tree-optimization/23744
3188 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3190 2006-11-29 Duncan Sands <baldrick@free.fr>
3192 PR tree-optimization/23744
3193 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3195 2006-11-29 Duncan Sands <baldrick@free.fr>
3197 PR tree-optimization/23744
3198 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3200 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3202 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3204 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3206 * sh.opt (minline-ic_invalidate): New option.
3207 (musermode): Adjust comment.
3208 * sh.c (sh_initialize_trampoline): Emit library call unless
3209 is set; if it is set, don't emit library call if we can use icbi
3211 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3212 icbi for TARGET_SH4_300.
3213 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3214 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3215 -musermode documentation.
3217 2006-11-29 Jim Tison <jtison@us.ibm.com>
3219 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3220 __gthread_recursive_mutex_init): Define.
3222 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3224 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3225 STRICT_ALIGNMENT and the type is more aligned than the saved
3226 registers, copy via a temporary.
3228 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3231 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3234 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3236 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3238 2006-11-28 Jan Hubicka <jh@suse.cz>
3240 Privatize SSA variables into gimple_df.
3241 * tree-flow-inline.h
3242 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3243 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3244 gimple_nonlocal_all): New accessors.
3245 (first_referenced_var): Update.
3246 (mark_stmt_modified): Update.
3247 (is_call_clobbered): Update.
3248 (mark_call_clobbered): Update.
3249 (clear_call_clobbered): Update.
3250 (mark_non_addressable): Update.
3251 * tree-vrp.c (get_value_range): Update.
3252 * tree-into-ssa.c (in_ssa_p): Kill.
3253 (get_default_def_for): Update.
3254 (rewrite_into_ssa): Update.
3255 * tree-complex.c (init_parameter_lattice_values): Update.
3256 (update_complex_assignment): Update.
3257 (update_parameter_components): Update.
3258 (expand_complex_libcall): Update.
3259 (expand_complex_operations_1): Update.
3260 * tree-tailcall.c (arg_needs_copy_p): Update.
3261 (add_virtual_phis): Update.
3262 (tree_optimize_tail_calls_1): Update.
3263 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3264 * tree-ssa-copyrename.c
3265 (copy_rename_partition_coalesce): Update.
3266 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3267 * tree-ssa-propagate.c (set_rhs): Update.
3268 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3269 addressable_vars, global_var):Kill.
3270 (set_initial_properties): Update.
3271 (init_alias_info): Update.
3272 (finalize_ref_all_pointers): Update.
3273 (setup_pointers_and_addressables): Update.
3274 (maybe_create_global_var): Update.
3275 (create_global_var): Update.
3276 (dump_points_to_info): Update.
3277 * function.h (struct gimple_df): Forward declare.
3278 (struct function): Add GIMPLE_DF field.
3279 * gimplify.c (force_gimple_operand): Update.
3280 * tree-dfa.c (referenced_vars, default_defs): KIll.
3281 (make_rename_temp): Update.
3282 (dump_variable): Update.
3283 (referenced_var_lookup): Update.
3284 (referenced_var_check_and_insert): Update.
3285 (default_def): Rename to ...
3286 (gimple_default_def): ... this one; accept cfun argument.
3287 (set_default_def): Update.
3288 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3289 (cleanup_control_flow): Update.
3290 * tree-ssa-pre.c (compute_avail): Update
3291 * tree-ssa-live.c (calculate_live_on_entry): Update.
3292 * tree-ssa.c (verify_use): Update.
3293 (verify_call_clobbering): Update.
3294 (verify_call_clobbering): Update.
3295 (init_tree_ssa): Update.
3296 (delete_tree_ssa): Update.
3297 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3298 (rewrite_out_of_ssa): Update.
3299 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3300 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3302 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3303 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3304 addressable_vars, aliases_computed_p): Kill.
3305 (default_def): Rename to...
3306 (gimple_default_def): ... this one.
3307 (defaule_def_fn): Kill.
3308 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3309 * tree-ssa-structalias.c (nonlocal_all): Kill.
3310 (get_constraint_exp_from_ssa_var): Update.
3311 (create_nonlocal_var): Update.
3312 (get_constraint_for): Update.
3313 (update_alias_info): Update.
3314 (find_global_initializers): Update.
3315 (intra_create_variable_infos): Update.
3316 (intra_create_variable_infos):
3317 (find_what_p_points_to): Update.
3318 (init_alias_heapvars): Update.
3319 * tree-cfg.c (remove_bb): Update.
3320 (gimplify_val): Update.
3321 * tree-ssa-reassoc.c (get_rank): Update.
3322 (init_reassoc): Update.
3323 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3324 (ssa_names, free_ssanames): Kill.
3325 (init_ssanames): Update.
3326 (make_ssa_name): Update.
3327 (release_ssa_name): Update.
3328 (release_defs): Update.
3329 (replace_ssa_name_symbol): Update.
3330 * tree-ssa-operands.c (access_can_touch_variable): Update.
3331 (add_virtual_operand): Update.
3332 (add_call_clobber_ops): Update.
3333 (add_call_read_ops): Update.
3334 (get_call_expr_operands): Update.
3335 (get_asm_expr_operands): Update.
3337 2006-11-28 Jan Hubicka <jh@suse.cz>
3339 * builtins.c: Include tree-flow.h.
3340 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3341 assignment; convert memmove to memcpy for sizes greater than 1 where
3342 alignment of operands prohibit the partial overlap.
3344 2006-11-28 Jan Hubicka <jh@suse.cz>
3346 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3347 * cgraph.c (dump_cgraph_node): Dump stack usage.
3348 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3349 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3350 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3351 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3352 (cgraph_check_inline_limits): Limit stack growth.
3353 * cfgexpand.c: Include tree-inline.h.
3354 (account_stack_vars): New function.
3355 (expand_one_var): New param to just account the stack; return estimated
3357 (expand_used_vars_for_block): Update call of expand_one_var.
3358 (account_used_vars_for_block): New function.
3359 (estimated_stack_frame_size): Likewise.
3360 (init_vars_expansion, fini_vars_expansion): Break out from..
3361 (expand_used_vars): ... here.
3362 * tree-inline.h (estimated_stack_frame_size): Declare.
3363 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3365 2006-11-28 Richard Guenther <rguenther@suse.de>
3367 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3368 unsigned long for printing OBJECT_SIZE.
3370 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3372 * alias.c (init_alias_analysis): Remove simplification loop
3373 after propagating pointers.
3375 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3377 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3380 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3382 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3384 2006-11-27 Roger Sayle <roger@eyesopen.com>
3385 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3387 * c-common.c (constant_fits_type_p): Delete.
3388 (unsigned_conversion_warning): Delete.
3389 (conversion_warning): Integrate Wconversion warning from
3390 unsigned_conversion_warning.
3391 (convert_and_check): Integrate Woverflow warning from
3392 unsigned_conversion_warning. Reorganize and simplify to avoid
3393 dependence upon the middle-end setting TREE_OVERFLOW on integral
3394 conversions, by using int_fits_type_p directly.
3396 2006-11-27 Tobias Burnus <burnus@net-b.de>
3398 * doc/invoke.texi: Fixed typo.
3400 2006-11-27 Michael Matz <matz@suse.de>
3401 Andreas Krebbel <krebbel1@de.ibm.com>
3404 * config/s390/predicates.md (larl_operand): Check addend of larl
3405 operand to be in range of -/+2GB.
3406 * config/s390/s390.c (legitimize_pic_address): Likewise.
3407 Changed type of variable even to HOST_WIDE_INT.
3409 2006-11-27 Jan Hubicka <jh@suse.cz>
3411 * expr.c (emit_block_move_via_libcall): Export.
3412 (clear_storage_via_libcall): Rename to ...
3413 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3414 (clear_storage): Update to set_storage_via_libcall.
3415 * expr.h (emit_block_move_via_libcall): Declare
3416 * config/i386/i386.h (stringop_alg): New enum.
3417 (MAX_STRINGOP_ALGS): New constant.
3418 (stringop_algs): New struct.
3419 (processor_costs): Add memcpy/memset descriptors.
3420 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3421 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3422 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3424 * config/i386/i386.opt (minline-stringops-dynamically,
3425 mstringop-strategy): New
3427 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3428 (ix86_expand-clrmem): Rename to ...
3429 (ix86_expand_setmem): ... this one; update prototype.
3430 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3431 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3432 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3433 nocona_cost, core2_cost, generic_cost, generic64_cost,
3434 generic32_cost): Add memcpy/memset descriptors.
3435 (x86_rep_movl_optimal): Remove.
3436 (stringop_alg): New static variable.
3437 (ix86_expand_aligntest): Handle predictions.
3438 (override_options): Add strgop_alg handling.
3439 (predict_jump): New function.
3440 (scale_counter): New function.
3441 (expand_set_or_movmem_via_loop): New function.
3442 (expand_movmem_via_rep_mov): New function.
3443 (expand_setmem_via_rep_stots): New function.
3444 (emit_strmov): New function.
3445 (expand_movmem_epilogue): New function.
3446 (expand_setmem_epilogue_via_loop): New function.
3447 (expand_setmem_epilogue): New function.
3448 (expand_movmem_prologue): New function.
3449 (expand_setmem_prologue): New function.
3450 (decide_alg): New function.
3451 (decide_alignment): New function.
3452 (ix86_exand_movmem): Rewrite.
3453 (promote_duplicated_reg): New function.
3454 (ix86_expand_clrmem): Rename to ...
3455 (ix86_expand_setmem): ... this one. Rewrite.
3457 * invoke.texi (minline-stringops-dynamically): New command line option.
3458 (mstringop-strategy): Likewise.
3460 2006-11-27 Jan Hubicka <jh@suse.cz>
3462 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3463 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3464 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3465 * insn-notes.def (FUNCTION_END): Remove.
3466 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3467 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3469 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3470 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3471 * cfglayout.c (duplicate_insn_chain): Don't worry about
3474 2006-11-27 Richard Guenther <rguenther@suse.de>
3475 Zdenek Dvorak <dvorakz@suse.cz>
3477 * target.h (struct gcc_target): Add builtin_vectorized_function
3479 * target-def.h (TARGET_VECTORIZE): Likewise.
3480 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3481 Document new target hook.
3482 * targhooks.h (default_builtin_vectorized_function): Declare.
3483 * targhooks.c (default_builtin_vectorized_function): Define.
3484 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3485 (vectorizable_call): Declare.
3486 * tree-vect-analyze.c (vect_analyze_operations): Call
3488 * tree-vect-transform.c (vectorizable_function): New static function.
3489 (build_vectorized_function_call): Likewise.
3490 (vectorizable_call): New function.
3491 (vect_transform_stmt): Handle vectorizable calls.
3493 2006-11-27 Richard Guenther <rguenther@suse.de>
3496 * builtins.c (expand_builtin_pow): Optimize non integer valued
3497 constant exponents using sqrt or cbrt if possible. Always fall back
3498 to expanding via optabs.
3500 2006-11-27 Ira Rosen <irar@il.ibm.com>
3502 PR tree-optimization/22372
3503 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3504 the type of the base address.
3505 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3506 it in the data-ref pointer creation.
3507 (vect_init_vector): Add an argument, type of the init vector. Use it in
3509 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3510 (get_initial_def_for_reduction): Likewise.
3511 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3513 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3514 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3515 correct type in stmt creation.
3516 (vect_setup_realignment): Use the correct type in stmt creation.
3517 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3519 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3520 of MODIFY_EXPR to void_type_node.
3521 (vectorizable_condition): Change type of MODIFY_EXPR to
3523 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3526 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3529 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3530 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3531 standard 80387 constants, raise the cost to prevent
3532 compress_float_constant() to generate load from memory.
3534 * config/i386/i386.md: Add new splitter pattern to split
3535 float_extended load of constant from constant pool into
3538 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3541 section to general section. Remove documentation for
3542 --with-mpfr-dir and --with-gmp-dir, add documentation for
3543 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3546 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3548 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3550 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3552 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3554 PR tree-optimization/29122
3555 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3556 for the new version. Assign NULL to DECL_RTL of the new version.
3558 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3560 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3562 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3564 * cse.c (cse_altered): Remove.
3565 (record_jump_equiv): Make true/false argument a bool instead
3567 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3568 where appropriate. Emit a new jump before the existing one
3569 instead of after so that delete_insn_and_edges removes the
3570 dead edges properly. Check any_condjump_p before calling
3572 (cse_basic_block): Check any_condjump_p before calling
3574 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3576 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3578 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3579 -ffixed-line-length-* options.
3581 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3583 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3584 (fprem1xf4): Rename to fprem1xf4_i387.
3586 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3587 Rename patterns to fmod<mode>3. Use general_operand operand
3588 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3589 patterns for SSE math.
3590 (remaindersf3, remainderdf3): Ditto.
3592 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3594 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3595 inside start_sequence / end_sequence pair.
3597 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3599 * jump.c (mark_all_labels): Work in cfglayout mode.
3600 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3601 when in cfglayout mode, because there are no dead jumptables
3603 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3605 (commit_edge_insertions): Do not allow insertion of instructions
3606 with control flow insns when in cfglayout mode.
3608 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3610 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3612 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3613 unswitch_loop): Ditto.
3614 * tree-loop-linear.c (linear_transform_loops): Ditto.
3615 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3616 tree_ssa_lim): Ditto.
3617 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3618 free_numbers_of_iterations_estimates): Ditto.
3619 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3620 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3621 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3622 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3623 place_new_loop, duplicate_loop, duplicate_subloops,
3624 update_single_exit_for_duplicated_loops, copy_loops_to,
3625 duplicate_loop_to_header_edge, create_preheaders,
3626 force_single_succ_latches, loop_version, fix_loop_structure):
3628 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3629 tree_unroll_loop): Ditto.
3630 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3631 * tree-scalar-evolution.c (select_loops_exit_conditions,
3632 scev_initialize, scev_analysis): Ditto.
3633 * tree-scalar-evolution.h (scev_initialize): Ditto.
3634 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3635 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3636 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3637 * modulo-sched.c (sms_schedule): Ditto.
3638 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3639 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3640 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3641 * ifcvt.c (if_convert): Ditto.
3642 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3643 canonicalize_loop_induction_variables,
3644 canonicalize_induction_variables,
3645 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3646 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3647 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3648 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3649 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3650 tree_ssa_loop_done): Ditto.
3651 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3652 estimate_bb_frequencies): Ditto.
3653 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3654 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3655 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3656 decide_unrolling_and_peeling, peel_loop_completely,
3657 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3658 peel_loop_simple, unroll_loop_stupid): Ditto.
3659 * loop-doloop.c (doloop_optimize_loops): Ditto.
3660 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3661 * loop-invariant.c (move_loop_invariants): Ditto.
3662 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3663 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3664 tree_ssa_prefetch_arrays): Ditto.
3665 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3667 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3668 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3669 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3670 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3671 verify_loop_structure): Ditto.
3672 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3673 canonicalize_induction_variables, tree_unroll_loops_completely,
3674 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3675 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3676 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3677 tree_unroll_loop, linear_transform_loops): Declaration changed.
3678 * basic-block.h: Remove declaration of struct loops.
3679 * cfghooks.h (struct cfg_hooks): Change type of
3680 cfg_hook_duplicate_loop_to_header_edge.
3681 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3682 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3683 vect_transform_loop): Declaration changed.
3684 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3685 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3686 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3687 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3688 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3689 loopify, loop_version, remove_path, unswitch_loops,
3690 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3691 Declaration changed.
3693 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3695 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3696 (X87MODEF): New mode macro.
3697 (ssemodefsuffix): New mode attribute.
3698 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3699 (sqrt_extend<mode>xf2_i387): New insn pattern.
3700 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3701 insn and truncate result back to original mode using
3702 UNSPEC_TRUNC_NOOP truncation.
3703 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3704 ssemodefsuffix mode attribute.
3705 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3706 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3707 (*sqrtextenddfxf2_i387): Remove insn patterns.
3709 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3710 truncation patterns.
3712 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3714 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3717 * c-tree.h (c_maybe_initialize_eh): New prototype.
3718 * c-decl.c (finish_decl): Move EH initialization...
3719 (c_maybe_initialize_eh): ... here. New function.
3720 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3721 if not #pragma omp atomic.
3724 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3725 or UNION_TYPE inner types.
3727 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3730 * ipa-pure-const.c (check_tree): If the original tree
3731 is volatile return early and say the function is not pure
3732 nor const. Remove the volatile check for writes.
3733 (analyze_function): Print out the result of the local
3736 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3738 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3740 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3741 * config/rs6000/rs6000.c (rs6000_override_options): Use
3742 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3745 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3747 * config/s390.c (s390_emit_compare_and_swap): New function.
3748 (s390_expand_cs_hqi, s390_expand_atomic): Call
3749 s390_emit_compare_and_swap.
3751 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3753 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3755 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3759 * c-common.c (conversion_warning): New.
3760 (convert_and_check): Call conversion_warning unless there is an
3762 * doc/invoke.texi (-Wconversion): Update description.
3764 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3766 * tree-ssa-alias.c (tree_pointer_compare): New function.
3767 (compact_name_tags): New function.
3768 (group_aliases): Call compact_name_tags.
3770 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3772 * real.h (real_isinteger): Declare.
3773 * real.c (real_isinteger): Define.
3774 * builtins.c (integer_valued_real_p): Use it.
3776 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3779 * c.opt (Wtraditional-conversion): New.
3780 (Wconversion): Update description.
3781 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3782 type conversions different from what would happen in the absence
3783 of prototype are now handled by Wtraditional-conversion.
3784 * doc/invoke.texi (Wtraditional-conversion): New.
3785 (Wconversion): Update description.
3786 * doc/trouble.texi (Wconversion): Replace Wconversion by
3787 Wtraditional-conversion.
3789 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3791 * predict.c (tree_estimate_probability): Check to make
3792 sure current_loops is non null before calling flow_loops_dump.
3794 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3796 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3798 2006-11-23 David Ung <davidu@mips.com>
3800 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3802 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3803 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3804 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3805 high part of FP register when in 64-bit FP register mode. Similarly
3806 use gen_mfhc1 to load high part of FP register.
3807 (override_options): Allow -mgp32 and -mfp64 combination if
3808 ISA_HAS_MXHC1 (currently for O32 only).
3809 (mips_cannot_change_mode_class): If floating-point registers are
3810 bigger than word size. disallow conversion of float register from a
3811 large integer mode to a float mode smaller than the float register
3813 (mips_class_max_nregs): Handle float registers case seperately.
3814 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3816 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3817 (movdf_hardfloat_32bit): Similarly.
3818 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3819 support a full 64-bit fpu.
3820 (mthc1): New pattern to generate MTHC1 instruction.
3821 (mfhc1): New pattern to generate MFHC1 instruction.
3822 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3823 option for the MIPS32R2 and mention its use under O32 ABI.
3825 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3827 * var-tracking.c (emit_note_insn_var_location): Take care not to
3828 cause verify_flow_info failures.
3830 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3832 * tree-ssa-structalias.c: Remove edge weights in favor of just
3833 processing them as complex constraints.
3834 (struct constraint_graph): Remove weighted succs and preds. Rename
3835 nonweighted succs and preds.
3836 (constraint_edge): Removed.
3837 (constraint_edge_t): Ditto.
3838 (constraint_edge_pool): Ditto.
3839 (new_constraint_edge): Ditto.
3840 (constraint_edge_equal): Ditto.
3841 (constraint_edge_less): Ditto.
3842 (constraint_edge_vec_find): Ditto.
3843 (erase_self_graph_edge): Ditto.
3844 (add_graph_edge): Removed.
3845 (get_graph_weights): Ditto.
3846 (allocate_graph_weights): Ditto.
3847 (valid_weighted_graph_edge): Ditto
3848 (bitmap_other_than_zero_bit_set): Ditto.
3849 (int_add_graph_edge): Renamed to add_graph_edge.
3850 (clear_edges_for_node): Remove support for weighted edges.
3851 (merge_graph_nodes): Ditto.
3852 (valid_graph_edge): Ditto.
3853 (build_constraint_graph): Ditto.
3855 (collapse_nodes): Ditto.
3856 (process_unification_queue): Ditto.
3857 (topo_visit): Ditto.
3858 (do_ds_constraint): Ditto.
3859 (perform_var_subsitution): Ditto.
3860 (solve_graph): Ditto.
3861 (init_alias_vars): Ditto.
3862 (delete_points_to_sets): Ditto.
3863 (do_complex_constraint): Support offsetted copies here.
3865 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3867 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3869 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3871 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3874 2006-11-23 Ben Elliston <bje@au.ibm.com>
3876 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3878 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3880 PR tree-optimization/29921
3881 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3882 signed and unsigned zero equal.
3884 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3886 * config/rs6000/rs6000.c (get_store_dest): New.
3887 (adjacent_mem_locations): Use get_store_dest() to get
3888 the rtl of the store destination.
3890 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3892 * config/rs6000/spe.md (SPE64): New mode macro.
3893 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3895 (mov_si<mode>_e500_subreg0_2): New.
3896 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3898 (mov_si<mode>_e500_subreg4_2): New.
3899 * config/rs6000/predicates.md (input_operand): Do not allow
3900 invalid E500 subregs.
3901 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3903 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3904 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3905 involving vector modes if TARGET_SPE.
3907 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3910 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3911 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3913 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3915 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3916 mem_i_address_operand): New predicates.
3917 * config/bfin/bfin.c (bfin_issue_rate): New function.
3918 (TARGET_SCHED_ISSUE_RATE): New macro.
3919 * config/bfin/bfin.md (addrtype): New attribute.
3920 (slot0, slot1, slot2, store, pregs): New cpu_units.
3921 (core): Now a define_reservation.
3922 (alu): Remove some insn types from this reservation.
3923 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3925 (dummy reservation): Don't trigger for mcld insns.
3926 (absence_sets): Two new absence sets to enforce slot ordering.
3927 (popsi_insn): Set addrtype.
3929 2006-11-22 Ira Rosen <irar@il.ibm.com>
3931 * doc/c-tree.texi: Document new tree codes.
3932 * doc/md.texi: Document new optabs.
3933 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3935 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3936 * optabs.h (optab_index): Add new.
3937 (vec_extract_even_optab, vec_extract_odd_optab,
3938 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3939 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3940 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3942 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3943 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3944 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3945 along with macros for their access.
3946 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3948 * tree-vect-analyze.c (toplev.h): Include.
3949 (vect_determine_vectorization_factor): Fix indentation.
3950 (vect_insert_into_interleaving_chain,
3951 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3952 (vect_analyze_data_ref_dependence): Add argument for interleaving
3953 check. Check for interleaving if it's true.
3954 (vect_check_dependences): New function.
3955 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3956 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3957 (vect_update_misalignment_for_peel): Update for interleaving.
3958 (vect_verify_datarefs_alignment): Check only first data-ref for
3960 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3961 only first data-ref for interleaving.
3962 (vect_analyze_data_ref_access): Check interleaving, update
3964 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3965 with different parameters.
3966 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3967 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3968 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3969 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3970 Update step in case of interleaving.
3971 (vect_strided_store_supported, vect_permute_store_chain): New
3973 (vectorizable_store): Handle strided stores.
3974 (vect_strided_load_supported, vect_permute_load_chain,
3975 vect_transform_strided_load): New functions.
3976 (vectorizable_load): Handle strided loads.
3977 (vect_transform_stmt): Add argument. Handle strided stores. Check
3978 that vectorized stmt exists for patterns.
3979 (vect_gen_niters_for_prolog_loop): Update calculation for
3981 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3982 whole chain vectorization.
3983 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3984 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3985 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3986 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3987 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3989 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3991 * cse.c (enum taken): Remove PATH_AROUND.
3992 (addr_affects_sp_p, invalidate_skipped_set,
3993 invalidate_skipped_block): Remove.
3994 (cse_end_of_basic_block): Remove skip_blocks and related code.
3995 (cse_main): Don't test for flag_cse_skip_blocks.
3996 Update cse_end_of_basic_block call.
3997 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3998 code to lengthen the path if a jump was simplified.
4000 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4002 PR rtl-optimization/29924
4003 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4004 (unroll_loop_runtime_iterations): Assert that the argument passed to
4005 split_edge_and_insert is not NULL.
4006 * loop-doloop.c (add_test): Ditto.
4008 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4010 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4012 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4013 * cfgloopmanip.c (update_single_exits_after_duplication,
4014 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4015 * tree-scalar-evolution.c (get_loop_exit_condition,
4016 get_exit_conditions_rec, loop_closed_phi_def,
4017 number_of_iterations_in_loop, scev_const_prop): Ditto.
4018 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4019 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4021 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4023 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4024 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4025 slpeel_make_loop_iterate_ntimes,
4026 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4027 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4029 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4030 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4031 vect_analyze_loop_form): Ditto.
4032 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4033 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4034 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4035 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4036 vect_transform_loop): Ditto.
4037 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4038 (single_exit, set_single_exit): New functions.
4039 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4040 (single_exit, set_single_exit): Declare.
4041 * doc/loop.texi: Undocument single_exit field. Document single_exit
4044 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4046 PR tree-optimization/29902
4047 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4048 any involved ssa name appears in abnormal phi node.
4050 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4052 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4053 (xtensa_const_ok_for_letter_p): Delete.
4054 (xtensa_extra_constraint): Delete.
4055 (override_options): Delete xtensa_char_to_class initialization.
4056 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4057 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4058 (EXTRA_CONSTRAINT): Delete.
4059 * config/xtensa/xtensa.md: Include constraints.md.
4060 (call_internal): Combine alternatives.
4061 (call_value_internal): Likewise, and remove invalid constraints.
4062 * config/xtensa/constraints.md: New file.
4063 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4064 (xtensa_extra_constraint): Delete.
4065 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4068 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4070 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4071 of conversion that doesn't fit.
4073 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4074 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4075 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4077 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4079 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4081 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4083 2006-11-21 Richard Guenther <rguenther@suse.de>
4085 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4086 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4087 vect_recog_pow_pattern.
4088 (vect_recog_pow_pattern): New function.
4090 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4092 * config/bfin/bfin.opt (mstack-check-l1): New.
4093 * doc/invoke.texi (Blackfin Options): Document it.
4094 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4095 stack bounds in L1 memory if the new option is enabled.
4096 (override_options): Don't allow combinations of -fstack-limit and
4098 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4101 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4103 (bfin_register_move_cost): Bump costs if trying to move plain
4104 integer values through accumulators.
4106 2006-11-21 Ben Elliston <bje@au.ibm.com>
4108 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4110 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4111 Russell Olsen <Russell_Olsen@playstation.sony.com>
4112 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4113 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4114 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4115 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4116 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4118 * config.gcc: Add target for SPU.
4119 * config/spu/constraints.md: New file.
4120 * config/spu/crt0.c: New file.
4121 * config/spu/crtend.c: New file.
4122 * config/spu/crti.asm: New file.
4123 * config/spu/crtn.asm: New file.
4124 * config/spu/float_unsdidf.c: New file.
4125 * config/spu/float_unssidf.c: New file.
4126 * config/spu/predicates.md: New file.
4127 * config/spu/spu-builtins.def: New file.
4128 * config/spu/spu-builtins.h: New file.
4129 * config/spu/spu-builtins.md: New file.
4130 * config/spu/spu-c.c: New file.
4131 * config/spu/spu-elf.h: New file.
4132 * config/spu/spu-modes.def: New file.
4133 * config/spu/spu-protos.h: New file.
4134 * config/spu/spu.c: New file.
4135 * config/spu/spu.h: New file.
4136 * config/spu/spu.md: New file.
4137 * config/spu/spu.opt: New file.
4138 * config/spu/spu_internals.h: New file.
4139 * config/spu/spu_intrinsics.h: New file.
4140 * config/spu/spu_mfcio.h: New file.
4141 * config/spu/t-spu-elf: New file.
4142 * config/spu/vec_types.h: New file.
4143 * config/spu/vmx2spu.h: New file.
4144 * doc/contrib.texi: Document SPU contributor.
4145 * doc/extend.texi: Document SPU extensions.
4146 * doc/invoke.texi: Document SPU options.
4147 * doc/md.texi: Document SPU constraints.
4149 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4151 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4153 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4155 (flow_loop_dump): Do not dump loop level.
4156 (flow_loops_find): Do not call flow_loops_level_compute.
4157 * cfgloop.h (struct loop): Remove level field.
4159 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4161 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4162 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4163 Use vector of edges instead of array.
4164 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4165 estimate_numbers_of_iterations_loop): Ditto.
4166 * predict.c (predict_loops): Ditto.
4167 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4168 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4170 * basic-block.h: Declare heap allocation for edge vectors.
4171 * tree-outof-ssa.c: Ditto.
4172 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4173 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4175 2006-11-20 Zack Weinberg <zackw@panix.com>
4177 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4178 Add another out parameter, "skip".
4179 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4180 is tagged "skip", do not mark its type used.
4182 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4185 * tree-sra.c (single_scalar_field_in_record_p): New function.
4186 (decide_block_copy): Use it.
4188 2006-11-20 David Daney <ddaney@avtrex.com>
4190 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4191 PC to point to following instruction.
4193 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4197 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4199 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4201 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4203 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4204 Add sh/superh.h to tm_file.
4206 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4207 Mark Mitchell <mark@codesourcery.com>
4209 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4211 (cpp_relocated): New function.
4212 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4214 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4215 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4216 replace configured prefix with gcc_exec_prefix.
4218 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4220 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4221 bfin_legitimate_constant_p.
4222 * config/bfin/bfin.md (movsi expander): Check return value of
4224 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4225 (expand_move): Adjust prototype.
4226 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4227 invalid constants specially.
4228 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4230 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4232 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4233 sibcall_value_symbol): Allow these patterns if
4234 TARGET_LEAF_ID_SHARED_LIBRARY.
4235 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4236 (override_options): Turn on id shared library flags if -msep-data,
4237 but disallow the combination of these options on the command line.
4238 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4239 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4240 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4241 -mid-shared-library.
4242 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4243 * doc/invoke.texi (Blackfin Options): Document new switches.
4245 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4246 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4248 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4249 inflate costs for addresses with an out-of-bounds address.
4251 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4254 * fwprop.c (loops): Remove.
4255 (forward_propagate_into): Use current_loops instead of
4257 (fwprop_init): Call loop_optimizer_init instead of
4259 (fwprop_done): Call loop_optimizer_finalize instead of
4261 (fwprop): Use current_loops instead of loops.
4263 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4266 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4268 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4271 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4272 larger than BITS_PER_WORD.
4274 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4278 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4279 to MAX_FIXED_MODE_SIZE.
4281 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4283 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4284 (fold_builtin_fmin_fmax): New.
4285 (fold_builtin_1): Use it.
4287 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4289 2006-11-18 Richard Guenther <rguenther@suse.de>
4291 * config/i386/i386.c (ix86_builtins): New array for ix86
4292 builtin function decls.
4293 (def_builtin): New function.
4294 (def_builtin_const): Likewise.
4295 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4297 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4299 * doc/invoke.texi (core2): Add item.
4301 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4303 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4304 (TARGET_CPU_DEFAULT_generic): Change value.
4305 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4306 (processor_type): Add new constant PROCESSOR_CORE2.
4308 * config/i386/i386.md (cpu): Add core2.
4310 * config/i386/i386.c (core2_cost): New initialized variable.
4311 (m_CORE2): New macro.
4312 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4313 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4314 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4315 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4316 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4317 x86_accumulate_outgoing_args, x86_prologue_using_move,
4318 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4319 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4320 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4321 x86_pad_returns): Add m_CORE2.
4322 (override_options): Add entries for Core2.
4323 (ix86_issue_rate): Add case for Core2.
4325 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4327 * doc/invoke.texi: Fix mno-isel typo.
4329 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4331 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4332 easy vector constant loads.
4334 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4336 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4337 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4338 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4339 * config/rs6000/sync.md (lwsync): Emit plain sync if
4342 2006-11-17 DJ Delorie <dj@redhat.com>
4344 * reload1.c (reloads_unique_chain): New.
4345 (reloads_conflict): Call it.
4347 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4349 * config/xtensa/predicates.md (addsubx_operand): New.
4350 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4351 (xtensa_emit_bit_branch): New.
4352 (xtensa_emit_movcc): New.
4353 * config/xtensa/xtensa.md (any_minmax): New code macro.
4354 (minmax): New code attribute.
4355 (any_cond, any_scc, any_scc_sf): New code macros.
4356 (*addx2, *addx4, *addx8): Delete.
4358 (*subx2, *subx4, *subx8): Delete.
4360 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4361 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4362 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4363 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4364 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4365 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4366 (movsfcc_internal0, movsfcc_internal1): Likewise.
4367 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4368 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4369 (xtensa_emit_bit_branch): New.
4370 (xtensa_emit_movcc): New.
4371 (function_arg_boundary): Add missing prototype.
4373 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4375 * config/xtensa/xtensa.md (tstsi): Delete
4377 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4379 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4381 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4383 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4385 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4387 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4389 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4391 * tree-vrp.c (execute_vrp): Do not update current_loops.
4392 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4393 * doc/loop.texi: Remove documentation for cancelled functions.
4394 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4395 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4397 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4398 (remove_path): Ensure that in delete_basic_blocks, the loops
4399 are still allocated.
4400 (add_loop): Work on valid loop structures.
4401 (loopify): Modify call of add_loop.
4402 (mfb_update_loops): Removed.
4403 (create_preheader): Do not update loops explicitly.
4404 (force_single_succ_latches, loop_version): Do not use
4405 loop_split_edge_with.
4406 (loop_split_edge_with): Removed.
4407 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4408 Do not use bsi_insert_on_edge_immediate_loop.
4409 (split_loop_exit_edge, tree_unroll_loop): Do not use
4410 loop_split_edge_with.
4411 (bsi_insert_on_edge_immediate_loop): Removed.
4412 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4413 use loop_split_edge_with.
4414 * cfghooks.c: Include cfgloop.h.
4415 (verify_flow_info): Verify that loop_father is filled iff current_loops
4417 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4418 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4420 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4422 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4423 loop_split_edge_with.
4424 (sms_schedule): Use current_loops.
4425 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4426 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4428 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4429 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4430 * ifcvt.c (if_convert): Ditto.
4431 * predict.c (predict_loops): Do not clear current_loops.
4432 (tree_estimate_probability): Use current_loops.
4433 (propagate_freq): Receive head of the region to propagate instead of
4435 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4436 (estimate_loops): New function. Handle case current_loops == NULL.
4437 (estimate_bb_frequencies): Do not allocate tovisit. Use
4439 * tree-ssa-loop.c (current_loops): Removed.
4440 (tree_loop_optimizer_init): Do not return loops.
4441 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4442 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4443 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4444 Do not update loops explicitly.
4445 * function.h (struct function): Add x_current_loops field.
4446 (current_loops): New macro.
4447 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4448 * loop-unroll.c (split_edge_and_insert): New function.
4449 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4450 use loop_split_edge_with.
4451 * loop-doloop.c (add_test, doloop_modify): Ditto.
4452 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4453 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4454 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4455 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4457 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4458 (flow_loops_free): Do not free dfs_order and rc_order.
4459 (flow_loops_find): Do not set dfs_order and rc_order in loops
4460 structure. Do not call loops and flow info verification.
4461 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4462 already belongs to some loop.
4463 * cfgloop.h (struct loops): Remove struct cfg.
4464 (current_loops, loop_split_edge_with): Declaration removed.
4465 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4466 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4467 Declaration removed.
4468 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4469 * basic-block.h (split_edge_and_insert): Declare.
4470 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4472 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4474 PR tree-optimization/29801
4475 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4476 (get_default_value): Use get_symbol_constant_value.
4477 (set_lattice_value): ICE when the value of the constant is
4479 (visit_assignment): Ignore VDEFs of read-only variables.
4481 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4483 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4485 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4486 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4488 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4490 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4491 select subvars of var.
4493 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4496 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4497 optimize if DEF doesn't have integral type.
4499 2006-11-16 Mike Stump <mrs@apple.com>
4501 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4502 pre-darwin9 system, unless the user asks for it directly.
4503 (PREFERRED_DEBUGGING_TYPE): Likewise.
4504 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4505 * config.gcc: Add suppport for darwin9.h.
4506 * config/darwin9.h: Add.
4507 * doc/install.texi (Specific): Clarify darwin documentation.
4509 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4511 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4512 optimizing for size.
4514 2006-11-16 Mike Stump <mrs@apple.com>
4516 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4518 2006-11-16 Dirk Mueller <dmueller@suse.de>
4520 * tree-vrp.c (get_value_range): Use XCNEW instead
4522 (insert_range_assertions): Use XCNEWVEC instead
4523 of XNEWVEC and memset.
4524 (vrp_initialize): Same.
4525 (vrp_finalize): Same.
4526 * tree-ssa-ccp.c (ccp_initialize): Same.
4527 * predict.c (tree_bb_level_predictions): Same.
4528 * calls.c (expand_call): Same.
4529 * tree-ssa-copy.c (init_copy_prop): Same.
4530 (fini_copy_prop): Same.
4531 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4532 of GGC_NEW and memset.
4534 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4537 * gimplify.c (gimplify_expr): Only force a load for references to
4538 non-BLKmode volatile values.
4539 * doc/implement-c.texi (Qualifiers implementation): Document the
4540 interpretation of what a volatile access is.
4541 * doc/extend.texi (C++ Extensions): Rework same documentation.
4543 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4545 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4548 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4550 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4552 (arm_neg_abssi2): Renamed from neg_abssi2.
4553 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4555 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4557 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4558 number of arguments passed to local functions in SSE registers is 3.
4560 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4561 number of arguments passed in SSE registers to 3.
4563 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4566 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4568 (get_last_bb_insn): ... new global function.
4569 (basic_block.h): Declare it.
4570 * haifa-sched.c (create_recovery_block): Use it.
4572 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4575 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4577 2006-11-15 Paul Brook <paul@codesourcery.com>
4579 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4580 _Unwind_GetTextRelBase): Move from here ...
4581 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4582 _Unwind_GetTextRelBase): ... To here.
4584 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4586 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4587 addresses we generate for testing are aligned.
4589 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4592 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4593 to what is the const decl is a place holder for.
4595 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4597 * config/i386/i386.opt: New target option -mx87regparm.
4599 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4600 and float_in_x87 variables. mmx_words, sse_words: Remove.
4601 (X87_REGPARM_MAX): Define.
4603 * config/i386/i386.c (override_options): Error out for
4604 -mx87regparm but no 80387 support.
4605 (ix86_attribute_table): Add x87regparm.
4606 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4607 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4608 (ix86_function_x87regparm): New function.
4609 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4611 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4613 (function_arg_advance): Process x87_nregs and x87_regno when
4614 floating point argument is to be passed in 80387 register.
4615 (function_arg): Pass XFmode arguments in 80387 registers for local
4616 functions. Pass SFmode and DFmode arguments to local functions
4617 in 80387 registers when flag_unsafe_math_optimizations is set.
4619 * reg-stack.c (convert_regs_entry): Disable NaN load for
4620 stack registers that are used for argument passing.
4622 * doc/extend.texi: Document x87regparm function attribute.
4623 * doc/invoke.texi: Document -mx87regparm.
4625 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4627 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4628 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4629 arg MODE; all callers changed. Use it to determine validity per
4630 machine mode instead of using Pmode for all memory references.
4631 (get_address_cost): Likewise add and use new arg MEM_MODE.
4633 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4634 J"orn Rennecke <joern.rennecke@st.com>
4636 * combine.c (likely_spilled_retval_1): Fix masking operation.
4637 (likely_spilled_retval_p): Use proper pattern for call to
4638 likely_spilled_retval_1.
4640 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4642 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4644 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4645 that tests for CONSTANT_POOL_ADDRESS_P.
4647 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4649 PR tree-optimization/29581
4650 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4651 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4652 type is different between Y and USE, create a temporary
4653 variable, initialize it at the beginning of the body bb
4654 and use it as replacement instead of Y.
4656 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4659 * gimplify.c (fold_indirect_ref_rhs): Use
4660 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4662 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4664 * expmed.c (emit_store_flag_1): New function.
4665 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4667 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4668 Use do_compare_rtx_and_jump.
4669 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4670 * arm.md (cstoresi4): New define_expand.
4671 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4672 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4673 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4675 2006-11-14 Caroline Tice <ctice@apple.com>
4677 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4678 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4680 (pubname_table): Redefine as a vector.
4681 (pubtype_table): New static global variable, defined as a vector.
4682 (pubname_table_allocated): Remove static global variable.
4683 (pubname_table_in_use): Remove static global variable.
4684 (PUBNAME_TABLE_INCREMENT): Remove constant.
4685 (size_of_pubnames): Add parameter to deal with either pubnames or
4686 pubtypes, and change code to deal with table being a vector.
4687 (add_pubname): Change to deal with table being a vector.
4688 (add_pubtype): New function.
4689 (output_pubnames): Add parameter to deal with either pubnames or
4690 pubtypes, and change code to deal with table being a vector.
4691 (gen_array_type_die): Add call to add_pubtype.
4692 (gen_enumeration_type_die): Add call to add_pubtype.
4693 (gen_struct_or_union_type_die): Add call to add_pubtype.
4694 (gen_subroutine_type_die): Add call to add_pubtype.
4695 (gen_typedef_die): Add call to add_pubtype.
4696 (dwarf2out_init): Add code to initialize pubname_table and
4697 pubtype_table vectors; also initialize debug_pubtypes_section.
4698 (prune_unused_types): Change to deal with pubnames being a vector.
4699 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4700 pubnames table to call to output_pubnames; Add code to output pubtypes
4701 table if DEBUG_PUBTYPES_SECTION is defined.
4702 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4704 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4706 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4708 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4709 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4710 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4711 movv2si_internal): Support moves between core registers.
4713 2006-11-14 Eric Christopher <echristo@apple.com>
4715 * configure: Regenerate with autoconf 2.59.
4717 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4719 Fix PR tree-optimization/27755
4721 * tree-ssa-pre.c: Update comments.
4722 (bb_bitmap_sets): Add pa_in and deferred member.
4723 (BB_DEFERRED): New macro.
4724 (maximal_set): New variable.
4725 (pre_stats): Add pa_insert member.
4726 (bitmap_set_and): Short circuit orig == dest.
4727 (bitmap_set_subtract_values): New function.
4728 (bitmap_set_contains_expr): Ditto.
4729 (translate_vuses_through_block): Add phiblock argument.
4730 (dependent_clean): New function.
4731 (compute_antic_aux): Update for maximal_set changes.
4732 (compute_partial_antic_aux): New function.
4733 (compute_antic): Handle partial anticipation.
4734 (do_partial_partial_insertion): New function.
4735 (insert_aux): Handle partial anticipation.
4736 (add_to_sets): Add to maximal set.
4737 (compute_avail): Ditto.
4738 (init_pre): Initialize maximal_set.
4739 (execute_pre): Do partial anticipation if -O3+.
4741 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4743 PR rtl-optimization/29798
4745 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4746 TARGET_INSN before any other check.
4747 (fwprop_init): Always calculate dominators.
4748 (fwprop_done): Always free them.
4750 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4752 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4755 2006-11-13 DJ Delorie <dj@redhat.com>
4757 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4758 temporary for intermediates.
4760 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4762 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4763 (sh_optimize_target_register_callee_saved): #if 0 the code
4764 using NOTE_INSN_LOOP_{BEG,END}.
4766 2006-11-13 Roger Sayle <roger@eyesopen.com>
4768 * fold-const.c (optimize_bit_field_compare): Recursively call
4769 fold when simplifying non-constant comparisons between bit-fields.
4771 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4773 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4775 * configure: Rebuilt.
4777 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4779 * config/rs6000/cell.md: New file.
4780 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4782 (ppccell_cost): New cost matrix.
4783 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4784 (rs6000_override_options): Set rs6000_always_hint to false
4785 for cell. Also align functions/lables/loops to 8byte
4786 for the Cell. Use PROCESSOR_CELL.
4787 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4788 using_mtcr_multiple.
4789 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4790 on the Cell, return 0.
4791 (rs6000_adjust_cost): Add Cell cost adjustments.
4792 (is_microcoded_insn): Return true for Cell microcoded
4794 (is_nonpipeline_insn): New function.
4795 (rs6000_issue_rate): Add PROCESSOR_CELL.
4796 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4798 (rs6000_use_sched_lookahead_guard): New function.
4799 (rs6000_sched_reorder): Reorder the ready list, if the second
4800 to last ready insn is a nonepipeline insn on the Cell.
4801 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4802 (ASM_CPU_SPEC): Add Cell.
4803 * config/rs6000/rs6000.md (cpu): Add Cell.
4804 (cell_micro): New Attr.
4807 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4809 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4811 * configure: Rebuilt.
4813 2006-11-13 Richard Guenther <rguenther@suse.de>
4815 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4817 (ix86_expand_lfloorceil): Likewise.
4818 (ix86_expand_rint): Likewise.
4819 (ix86_expand_floorceildf_32): Likewise.
4820 (ix86_expand_floorceil): Likewise.
4821 (ix86_expand_rounddf_32): Likewise.
4822 (ix86_expand_truncdf_32): Likewise.
4823 (ix86_expand_round): Likewise.
4825 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4826 Mark Mitchell <mark@codesourcery.com>
4828 * gcc.c: Organize search path variables into $prefix relative,
4829 and well-known native. Add comments.
4830 (add_sysrooted_prefix): Add comment.
4831 (process_command): If !gcc_exec_prefix add $prefix based paths.
4832 If *cross_compile == '0', add native well-known paths.
4833 Assert tooldir_base_prefix is always relative.
4834 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4835 use this value for 'install:' path.
4836 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4838 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4840 * config/i386/i386.c: Fix a typo in comment.
4842 2006-11-13 Michael Matz <matz@suse.de>
4844 * genemit.c (gen_expand): Allocate enough memory.
4846 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4848 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4849 __GXX_TYPEINFO_EQUALITY_INLINE but not
4850 __GXX_MERGED_TYPEINFO_NAMES.
4851 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4852 __GXX_MERGED_TYPEINFO_NAMES.
4853 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4854 __GXX_TYPEINFO_EQUALITY_INLINE.
4856 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4857 Zdenek Dvorak <dvorakz@suse.cz>
4859 PR tree-optimization/29680
4860 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4863 2006-11-12 Jason Merrill <jason@redhat.com>
4864 Andrew Pinski <pinskia@physics.uc.edu>
4867 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4869 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4871 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4872 * tree.c (build_vector): Handle non-_CST elements.
4874 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4876 * genemit.c (gen_insn): Call gen_exp with a non-null used
4877 when handling multiple insns.
4878 (gen_expand): Likewise.
4879 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4880 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4881 (movsi_const_16bit+1): Copy operands[1].
4882 (call_pcrel): Copy the call_site pattern.
4883 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4885 2006-11-12 Roger Sayle <roger@eyesopen.com>
4887 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4888 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4889 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4890 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4892 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4894 Fix PR tree-optimization/29587
4895 * tree-ssa-structalias.c (process_constraint): Don't
4896 mark address taken due only to escaped vars constraint.
4898 2006-11-12 Michael Matz <matz@suse.de>
4899 Roger Sayle <roger@eyesopen.com>
4901 PR rtl-optimization/29797
4902 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4903 BITS_BIG_ENDIAN targets.
4905 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4907 * builtins.c (fold_builtin_cosh): New.
4908 (fold_builtin_1): Use it.
4909 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4910 trunc to the list of "odd" functions. Also add llrint, lrint,
4911 rint and nearbyint when flag_rounding_math is false.
4913 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4915 * tree-flow.h (name_mappings_registered_p): Declare.
4916 * tree-into-ssa.c (name_mappings_registered_p): New function.
4917 * tree-cfg.c (tree_can_merge_blocks_p): Check
4918 name_mappings_registered_p instead of need_ssa_update_p.
4920 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4922 * tree-ssa-loop.c (tree_vectorize): Return the result of
4924 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4925 if anything changed.
4926 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4927 * tree-flow.h (vectorize_loops): Declaration changed.
4929 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4931 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4933 (issue_prefetch_ref): Move assignment to write_p out of loop.
4934 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4935 SIMULTANEOUS_PREFETCHES into account.
4936 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4937 * lambda-code.c (lcm): Renamed to ...
4938 (least_common_multiple): ... and exported.
4939 * tree-flow.h (least_common_multiple): Declare.
4941 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4943 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4944 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4945 ud-chains. Handle AND_EXPR.
4946 (record_estimate): Record whether the estimate is realistic
4947 and whether it is derived from a loop exit.
4948 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4949 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4951 (compute_estimated_nb_iterations): Take only realistic bounds into
4952 account. Set estimate_state. Use double_ints.
4953 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4954 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4955 that do not have to be always executed.
4956 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4957 to determine whether to call infer_loop_bounds_from_undefined
4958 and compute_estimated_nb_iterations.
4959 (n_of_executions_at_most): Use double_ints.
4960 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4961 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4962 * double-int.c (double_int_to_tree): Improve comment.
4963 (double_int_fits_to_tree_p): New function.
4964 * double-int.h (double_int_fits_to_tree_p): Declare.
4965 * tree-data-ref.c: Include langhooks.h.
4966 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4967 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4968 (analyze_array): Do not pass estimate_only argument to
4969 analyze_array_indexes.
4970 (get_number_of_iters_for_loop): Build tree from the stored double_int
4972 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4973 (find_data_references_in_loop): Use find_data_references_in_stmt.
4974 * tree-data-ref.h (struct data_ref_loc_d): New.
4975 (get_references_in_stmt): Declare.
4976 (estimate_iters_using_array): Declaration removed.
4977 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4978 double_int. Improve comments. Add is_exit and realistic
4980 (struct loop): Changed type of estimated_nb_iterations to double_int.
4981 Added estimate_state field.
4982 (record_estimate): Declaration removed.
4984 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4986 * params.c (set_param_value): Initialize the "set" field.
4987 * params.h (struct param_info): Add "set" field.
4988 (PARAM_SET_P): New macro.
4989 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4990 L1_CACHE_LINE_SIZE): New macros.
4991 * toplev.c (DEFPARAM): Initialize the "set" field.
4992 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4993 SIMULTANEOUS_PREFETCHES): Removed.
4994 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4995 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4996 * config/sparc/sparc.c: Include params.h.
4997 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4998 L1_CACHE_LINE_SIZE parameters.
4999 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5001 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5003 * config/i386/i386.c: Include params.h.
5004 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5005 (override_options): Set SIMULTANEOUS_PREFETCHES and
5006 L1_CACHE_LINE_SIZE parameters.
5007 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5008 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5009 L1_CACHE_LINE_SIZE parameters.
5010 * config/ia64/ia64.c (ia64_optimization_options): Set
5011 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5012 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5014 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5015 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5016 * doc/invoke.texi: Document new params.
5018 2006-11-12 Roger Sayle <roger@eyesopen.com>
5020 PR tree-optimization/13827
5021 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5024 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5026 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5027 update_single_exit_for_duplicated_loops): New functions.
5028 (duplicate_loop_to_header_edge): Use
5029 update_single_exit_for_duplicated_loops.
5030 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5031 functions only with ENABLE_CHECKING.
5033 2006-11-12 Andreas Schwab <schwab@suse.de>
5035 * except.c (sjlj_emit_function_enter): Remove unused variable.
5037 2006-11-11 Roger Sayle <roger@eyesopen.com>
5039 * fold-const.c (int_binop_types_match_p): New function.
5040 (size_binop): Relax constraint that both arguments must both have
5041 exactly the same sizetype type. Instead use int_binop_types_match_p.
5042 (size_diffop): Likewise.
5044 (make_range): Use build_int_cst instead of fold_convert.
5045 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5046 integer constants of the correct type.
5047 (fold_div_compare): Likewise.
5048 (fold_single_bit_test): Likewise.
5049 (fold_binary): Likewise.
5050 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5051 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5053 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5056 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5057 non null value if the struct memory access is in the 0th
5060 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5063 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5064 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5067 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5068 instead of builtin_define for bfin and BFIN.
5070 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5072 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5075 2006-11-11 Jan Hubicka <jh@suse.cz>
5077 * extend.texi (__builtin_expect): We no longer require second argument
5079 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5080 * builtins.c (expand_builtin_expect): Simplify.
5081 (expand_builtin_expect_jump): Kill.
5082 * final.c (final_scan_insn): Do not skip the removed notes.
5083 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5084 EXPECTED_VALUE): Remove.
5085 * dojump.c (do_jump): Do not care about __builtin_expect.
5086 * predict.c (expected_value_to_br_prob): Kill.
5087 * function.c (expand_function_end): Do not expand
5088 NOTE_INSN_REPEATED_LINE_NUMBER.
5089 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5090 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5091 * cfgexpand.c (add_reg_br_prob_note): Export.
5092 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5093 expected_value_to_br_prob.
5094 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5095 * rtl.h (add_reg_br_prob_note): Declare.
5097 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5101 2006-11-11 Jan Hubicka <jh@suse.cz>
5103 * predict.c (predict_loops): Kill RTL variant.
5105 2006-11-11 Jan Hubicka <jh@suse.cz>
5107 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5108 * modulo-sched.c (find_line_note): Remove.
5109 (loop_canon_p): Do not worry about line number notes.
5110 (sms_schedule): Likewise.
5111 * cse.c (cse_main): Likewise.
5112 * regmove.c (fixup_match_1): Likewise
5113 * function.c (emit_return_info_block): Likewise.
5114 (expand_function_end): Likewise.
5115 (thread_prologue_an_epilogue_insns): Likewise.
5116 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5118 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5119 emit_note_copy_after): Kill.
5120 (emit_note_copy): Do not worry about line numbers.
5121 * jump.c (purge_line_number_notes): Kill.
5122 (pass_purge_lineno_notes): Kill.
5123 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5125 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5126 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5127 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5128 * tree-pass.h (pass_purge_lineno_notes): Kill.
5129 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5130 rm_redundant_line_notes.
5131 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5132 rm_redundant_line_notes.
5133 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5134 * haifa-sched.c: Update comment about handling notes.
5135 (unlink_line_notes): Kill.
5136 (rm_line_notes): Kill.
5137 (save_line_notes): Simplify.
5138 (rm_redundant_line_notes): Kill.
5140 2006-11-11 Richard Guenther <rguenther@suse.de>
5142 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5143 Remove unused tree codes.
5144 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5145 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5146 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5147 * tree.c (stabilize_reference): Likewise.
5148 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5149 fold_unary): Likewise.
5150 * tree-gimple.c (is_gimple_cast): Likewise.
5151 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5152 * expr.c (expand_expr_real_1): Likewise.
5153 * tree-eh.c (tree_could_trap_p): Likewise.
5154 * gimplify.c (gimplify_expr): Likewise.
5155 * tree-inline.c (estimate_num_insns_1): Likewise.
5156 * tree-cfg.c (verify_expr): Likewise.
5158 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5160 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5161 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5162 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5164 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5167 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5168 constraints accept neither registers or memories.
5170 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5172 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5173 (NO_PROFILE_COUNTERS): Define as 1.
5175 2006-11-10 Roger Sayle <roger@eyesopen.com>
5177 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5178 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5180 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5182 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5184 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5186 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5187 (fold_builtin_hypot): Likewise.
5188 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5190 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5192 2006-11-10 Roger Sayle <roger@eyesopen.com>
5194 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5195 when attempting to build INTEGER_CSTs of non-integral types.
5196 * expmed.c (make_tree): Use the correct type, i.e. the inner
5197 type, when constructing the individual elements of a CONST_VECTOR.
5199 2006-11-10 Jan Hubicka <jh@suse.cz>
5201 * cse.c (cse_process_notes): Copy the propagated value.
5202 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5204 * gcse.c (try_replace_reg): Copy the replacement.
5205 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5206 (assign_386_stack_local): Always return copied memory expression
5207 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5210 2006-11-10 Jan Hubicka <jh@suse.cz>
5212 * final.c (final): Walk from first instruction.
5213 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5215 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5218 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5220 (umulv8hi3_highpart): Ditto.
5221 (vec_widen_smult_hi_v8hi): New expander.
5222 (vec_widen_smult_lo_v8hi): Ditto.
5224 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5227 * builtins.c (do_mpfr_arg3): New.
5228 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5230 2006-11-09 Eric Christopher <echristo@apple.com>
5235 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5236 * config.gcc (powerpc64-*-darwin*): New target.
5237 * config.host: Ditto.
5238 * config/rs6000/darwin64.h: New file.
5239 * config/rs6000/x-darwin64: Ditto.
5240 * config/rs6000/host-ppc64-darwin.c: Ditto.
5242 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5244 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5245 routines for integer division.
5247 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5249 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5251 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5254 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5256 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5258 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5259 simplify_subreg with BLKmode outer mode.
5261 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5263 * doc/invoke.texi: Minor formatting fixes in option lists.
5265 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5267 PR tree-optimization/29738
5268 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5269 (ccp_lattice_t): Remove UNKNOWN_VAL.
5270 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5271 Do not handle UNKNOWN_VAL.
5272 (get_default_value): Set initial value of virtual operands to
5274 (get_value): Always use get_default_value on uninitialized
5276 (set_value_varying, surely_varying_stmt_p): New functions.
5277 (set_lattice_value): Do not pass argument to get_value.
5278 Do not handle UNKNOWN_VAL.
5279 (likely_value): Follow the semantics described in the comment.
5280 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5281 phi nodes DONT_SIMULATE_AGAIN.
5282 (ccp_fold): Do not pass argument to get_value.
5283 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5286 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5288 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5289 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5291 2006-11-08 Roger Sayle <roger@eyesopen.com>
5293 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5294 test for inclusion rather than as a test for exclusion.
5295 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5296 the condition after calling fold_binary.
5297 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5298 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5299 * builtins.c (fold_builtin_isascii): Likewise.
5300 (fold_builtin_isdigit): Likewise.
5302 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5304 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5305 * configure: Regenerate.
5307 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5309 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5310 enum argument instead of bool.
5311 (vect_analyze_operations): Call vectorizable_type_promotion.
5312 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5313 stmt_vec_info_type value.
5314 (supportable_widening_operation, vectorizable_type_promotion): New
5315 function declarations.
5316 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5317 (vectorizable_type_promotion): New function.
5318 (vect_transform_stmt): Call vectorizable_type_promotion.
5319 * tree-vect-analyze.c (supportable_widening_operation): New function.
5320 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5322 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5325 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5326 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5327 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5329 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5330 * expr.c (expand_expr_real_1): Likewise.
5331 * optabs.c (optab_for_tree_code): Likewise.
5332 (init_optabs): Initialize new optabs.
5333 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5334 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5335 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5336 vec_unpacku_lo_optab): Initialize new optabs.
5337 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5338 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5339 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5341 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5342 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5343 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5344 (vec_unpacku_lo_optab): New optabs.
5345 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5346 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5347 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5348 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5349 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5350 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5352 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5353 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5354 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5355 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5356 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5357 implement the unsigned unpacking patterns.
5358 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5359 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5360 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5361 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5362 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5363 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5364 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5365 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5366 multiplication patterns.
5368 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5369 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5370 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5371 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5372 (rs6000_builtin_mul_widen_odd): New.
5373 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5374 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5375 * tree-vectorizer.h (enum vect_relevant): New enum type.
5376 (_stmt_vec_info): Field relevant chaned from bool to enum
5378 (STMT_VINFO_RELEVANT_P): Updated.
5379 (STMT_VINFO_RELEVANT): New.
5380 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5381 instead of STMT_VINFO_RELEVANT_P.
5382 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5383 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5384 and boolean variable with enum vect_relevant.
5385 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5386 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5387 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5389 2006-11-08 Richard Henderson <rth@redhat.com>
5391 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5392 vec_widen_umult_lo_v8hi): New.
5393 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5394 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5396 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5397 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5398 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5399 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5400 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5401 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5402 vec_unpacks_lo_v4si): New.
5404 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5406 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5407 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5408 (vect_analyze_operations): Call vectorizable_type_demotion.
5409 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5410 stmt_vec_info_type value.
5411 (vectorizable_type_demotion): New function declaration.
5412 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5415 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5416 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5418 * tree-iniline.c (estimate_num_insns_1): Likewise.
5419 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5420 * optabs.c (optab_for_tree_code): Likewise.
5422 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5423 compared against the predicate of the result is not 'mode' (the input
5424 to the function) but a mode with half the size of 'mode'.
5425 (init_optab): Initialize new optabs.
5426 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5428 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5430 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5431 (vec_pack_usat_optab): Initialize new optabs.
5432 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5433 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5435 2006-11-08 Richard Henderson <rth@redehat.com>
5437 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5438 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5439 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5440 (vec_interleave_highv4si, vec_interleave_lowv4si):
5441 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5443 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5445 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5447 (vect_transform_stmt): Removed redundant code.
5449 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5451 * tree-vect-transform.c (vectorizable_operation): Support multiple
5454 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5456 * tree-vect-transform.c (vect_align_data_ref): Removed.
5457 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5458 Updated function documentation. Return the increment stmt in ptr_incr.
5459 (bump_vector_ptr): New function.
5460 (vect_get_vec_def_for_stmt_copy): New function.
5461 (vect_finish_stmt_generation): Create a stmt_info to newly created
5463 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5465 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5466 VF is greater than the number of elements that can fit in one vector
5468 (vectorizable_operation, vectorizable_condition): Likewise.
5469 (vectorizable_store, vectorizable_load): Support the case that the VF
5470 is greater than the number of elements that can fit in one vector word.
5471 (vect_transform_loop): Don't fail in case of multiple data-types.
5472 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5473 in case of multiple data-types; the smallest type determines the VF.
5474 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5475 if they are of different sizes.
5476 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5477 number of elements rather than number of bytes.
5478 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5479 (vect_can_advance_ivs_p): Fix a dump printout
5481 2006-11-07 Eric Christopher <echristo@apple.com>
5483 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5484 (__bswapsi2): Ditto.
5485 * libgcc2.h: Remove transformation of bswap routines.
5486 * config/i386/i386.md (bswapsi2): New.
5489 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5491 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5492 (handle_gnu_inline_attribute): New function.
5493 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5494 (merge_decls, start_decl, start_function): Likewise.
5495 * doc/extend.texi: Document gnu_inline attribute.
5497 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5500 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5501 _fixunstfdi, and _floatditf
5503 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5505 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5507 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5508 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5509 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5510 which start in an odd register.
5512 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5514 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5516 2006-11-07 Josh Conner <jconner@apple.com>
5518 * doc/invoke.texi (fstrict-aliasing): Move implementation
5520 * doc/tree-ssa.texi (Alias analysis): ...here.
5522 2006-11-07 Richard Guenther <rguenther@suse.de>
5524 PR tree-optimization/29610
5525 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5526 of tree_purge_dead_eh_edges as it may free dominators.
5528 * g++.dg/other/pr29610.C: New testcase.
5530 2006-11-07 David Ung <davidu@mips.com>
5532 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5533 costs when optimizing for size.
5534 (override_options): Use mips_rtx_cost_optimize_size table for cost
5537 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5539 * gcc.c (process_command): Treat -b as normal switch if its argument
5542 2006-11-07 David Ung <davidu@mips.com>
5544 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5547 2006-11-06 Eric Christopher <echristo@apple.com>
5549 * config.gcc: Add x86_64-darwin host support.
5550 * config.host: Ditto.
5551 * config/i386/darwin64.h: New file.
5552 * config/i386/t-darwin64: Ditto.
5554 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5556 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5557 and output-exists-not.
5559 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5562 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5563 checking for overflow.
5565 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5567 * configure.ac: Fixed typo in case statement: :: changed to ;;
5569 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5571 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5572 count_leading_zeros, and count_trailing_zeros.
5573 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5574 (TARGET_FOLD_BUILTIN): Define.
5575 (TARGET_EXPAND_BUILTIN): Define.
5576 (xtensa_init_builtins): New.
5577 (xtensa_fold_builtin): New.
5578 (xtensa_expand_builtin): New.
5579 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5580 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5581 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5582 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5583 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5584 (any_extend): New code macro.
5585 (u, su): New code attributes.
5586 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5587 (nsau): Remove; replaced by clzsi2.
5588 (ffssi2): Use clzsi2.
5589 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5590 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5591 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5592 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5593 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5595 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5597 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5599 * config/arm/t-strongarm-elf: Likewise.
5600 * config/arm/t-pe: Likewise.
5601 * config/arm/t-arm-elf: Likewise.
5602 * config/arm/t-xscale-elf: Likewise.
5603 * config/arm/t-arm-coff: Likewise.
5604 * config/arm/t-xscale-coff: Likewise.
5605 * config/arm/t-wince-pe: Likewise.
5607 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5609 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5612 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5615 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5618 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5621 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5622 as a valid 80387 constant.
5623 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5624 * config/i386/i386.md (unnamed splitter): Split the load of
5625 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5628 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5630 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5631 from the soft-frame, argument and virtual registers.
5633 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5635 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5636 patterns for standard 80387 constants.
5638 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5639 Steven Bosscher <steven@gcc.gnu.org>
5641 * fwprop.c: New file.
5642 * Makefile.in: Add fwprop.o.
5643 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5644 * passes.c (init_optimization_passes): Schedule forward propagation.
5645 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5647 * timevar.def (TV_FWPROP): New.
5648 * common.opt (-fforward-propagate): New.
5649 * opts.c (decode_options): Enable forward propagation at -O2.
5650 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5651 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5652 canon_for_address, table_size): Remove.
5653 (new_basic_block, insert, remove_from_table): Remove references to
5655 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5656 simplification loop more straightforward by not calling fold_rtx
5658 (equiv_constant): Move here a small part of fold_rtx_subreg,
5659 do not call fold_rtx. Call avoid_constant_pool_reference
5661 * recog.h (canonicalize_change_group): New.
5663 * doc/invoke.texi (Optimization Options): Document fwprop.
5664 * doc/passes.texi (RTL passes): Document fwprop.
5666 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5668 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5669 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5670 (grokdeclarator): Likewise.
5672 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5674 * tree-dump.c (dump_enable_all): Rename local variable
5675 ir_type to avoid name conflicts.
5676 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5677 instead of using ir_type().
5678 * profile.c (tree_register_profile_hooks): Likewise.
5679 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5680 * basic-block.h (struct edge_def): Likewise.
5681 * config/arm/arm.c (legitimize_pic_address): Likewise.
5682 * coretypes.h (ir_type): New enum of all intermediate languages
5684 * cfghooks.c (ir_type): Rename to...
5685 (current_ir_type): ...this. Distinguish between cfgrtl and
5686 cfglayout mode when the current IR is RTL. Return enum ir_type.
5687 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5689 2006-11-03 Paul Brook <paul@codesourcery.com>
5691 * config/arm/arm.c (arm_file_start): New function.
5692 (TARGET_ASM_FILE_START): Define.
5693 (arm_default_cpu): New variable.
5694 (arm_override_options): Set arm_default_cpu.
5696 2006-11-03 David Ung <davidu@mips.com>
5698 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5699 PROCESSOR_24KC and PROCESSOR_24KF.
5700 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5701 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5702 (mips_rtx_cost_data): Add costs for the 24kc.
5703 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5704 * config/mips/24k.md: Remove references to 24k and replace with
5705 uses of 24kc/24kf in the appropriate reservations.
5706 * doc/invoke.texi (MIPS Options): Updated.
5708 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5710 * config/sh/crt1.asm: Fix #ifdef indent.
5712 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5713 Merged from STMicroelectronics sources:
5714 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5715 * config/sh/crt1.asm (vbr_600): Add missing #if.
5716 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5717 * sh.opt (mfused-madd): New option.
5718 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5719 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5720 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5721 Remove pointless handler at VBR+0.
5722 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5723 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5724 fr7. Make sure the timer handler is called with the correct FPU
5725 precision setting, according to the ABI.
5726 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5727 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5728 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5729 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5730 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5731 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5732 zero as second operand.
5733 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5734 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5735 Fixed some bugs related to negative values, in particular -0
5736 and overflow at -0x80000000.
5737 * config/sh/divcost-analysis: Added sh4-300 figures.
5738 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5739 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5740 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5741 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5742 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5743 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5745 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5747 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5748 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5749 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5750 mac_mem, mem_mac, dfp_mul, fp_cmp.
5751 (insn_class, dfp_comp, any_fp_comp): Update.
5752 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5753 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5754 (muldf3_i): Likewise.
5755 (movsi_i): Split rI08 alternative into two separate alternatives.
5757 (movsi_ie, movsi_i_lowpart): Likewise.
5758 (movqi_i): Split ri alternative into two separate alternatives.
5760 * sh1.md (sh1_load_store, sh1_fp): Update.
5761 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5762 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5763 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5764 (sh4a_fp_double_arith): Likewise.
5765 * sh4-300.md: New file.
5766 * sh.c (sh_handle_option): Handle m4-300* options.
5767 (sh_adjust_cost): Fix latency of auto-increments.
5768 Handle SH4-300 differently than other SH4s. Check for new insn types.
5769 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5770 been set by an option.
5771 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5772 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5773 (mbranch-cost=): Likewise.
5774 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5776 * sh.md (mulsf3): Remove special expansion code.
5777 (mulsf3_ie): Now a define_insn_and_split.
5778 (macsf3): Allow for TARGET_SH4.
5780 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5781 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5782 (expand_cbranchdi4): Likewise.
5783 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5784 CONST_DOUBLE if the outer code is COMPARE.
5785 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5786 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5787 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5788 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5789 Remove redundant fp_{zero,one}_operand checks.
5790 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5791 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5792 (expand_cbranchdi4): Likewise.
5793 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5794 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5796 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5798 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5801 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5803 * doc/invoke.texi: Fix mfp-trap-mode typo.
5805 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5807 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5808 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5809 file_end_indicate_exec_stack.
5810 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5812 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5813 for a non-executable stack.
5814 * crti.asm: Likewise.
5815 * crtn.asm: Likewise.
5816 * libunwind.S: Likewise.
5818 2006-11-02 Ben Elliston <bje@au.ibm.com>
5820 * tree-ssa.c (warn_uninit): Use expand_location variables for
5821 locus and declaration locus.
5823 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5826 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5827 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5828 cmp{eq,gt,gtu}{si,di}_media.
5829 (*cmpne0si_media): Remove.
5830 (*movsicc_umin): Adjust gen_cmp*_media call.
5831 (unordered): Change the mode of unordered and operands[1] to
5833 (seq): Adjust gen_cmp*_media calls. Make the mode of
5834 a temporary result of compare SImode if needed. If the mode
5835 of operands[0] is DImode, extend the temporary result to DImode.
5836 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5837 (sunorderd): Change the mode of match_operand and unorderd to
5839 (cmpeq{sf,df}_media): Remove.
5840 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5841 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5842 and compare operation to SImode.
5844 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5846 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5848 (sparc64-sun-solaris2*): Likewise.
5850 2006-11-02 Paul Brook <paul@codesourcery.com>
5852 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5853 from priority argument. Use different section for non-default
5855 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5857 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5860 * except.c (switch_to_exception_section): Do not cache the section
5861 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5862 and flag_function_sections is set.
5864 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * builtins.c (do_mpfr_sincos): New.
5868 (fold_builtin_1): Use it to fold builtin sincos.
5870 2006-11-01 Roger Sayle <roger@eyesopen.com>
5872 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5873 it into -D_REENTRANT.
5875 2006-11-01 Roger Sayle <roger@eyesopen.com>
5877 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5878 whether the assembler supports taking the difference of symbols in
5879 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5880 * configure: Regenerate.
5881 * config.in: Regenerate.
5882 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5883 the assembler doesn't support taking the difference of symbols in
5884 different sections, i.e. we're using the native solaris assembler.
5886 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5887 Peter Bergner <bergner@vnet.ibm.com>
5889 * doc/invoke.texi: Add cpu_type power6x
5890 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5891 * config.gcc: Add cpu_type power6x.
5892 * configure.ac: Add test for mf{t,f}gpr instructions.
5893 (HAVE_AS_MFPGPR): New.
5894 * config.in: Regenerate.
5895 * configure: Regenerate.
5896 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5897 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5898 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5899 and mftgpr attributes.
5900 (define_attr "cpu"): Add power6.
5901 Change instruction sequences to use new attributes.
5902 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5903 (fix_truncdfsi2_mfpgpr): New.
5904 (floatsidf_ppc64_mfpgpr): New.
5905 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5906 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5907 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5908 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5909 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5910 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5911 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5912 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5913 cntlz,exts and var_delayed_compare.
5914 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5915 _ARCH_PWR6X, if features enabled.
5916 * config/rs6000/rs6000.opt (mmfpgpr): New.
5917 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5918 (cached_can_issue_more): New variable.
5919 (processor_costs): Add power6_cost.
5920 (rs6000_sched_init): New function.
5921 (is_dispatch_slot_restricted): Deleted.
5922 (set_to_load_agen): New function.
5923 (is_load_insn,is_store_insn): New functions.
5924 (adjacent_mem_locations): New function.
5925 (insn_must_be_first_in_group): New function.
5926 (insn_must_be_last_in_group): New function.
5927 (rs6000_sched_reorder): New function.
5928 (rs6000_sched_reorder2): New function.
5929 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5930 TARGET_SCHED_REORDER2): Define.
5931 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5932 Add power6x. Add MASK_MFPGPR for power6x.
5933 (POWERPC_MASKS): Add MASK_MFPGPR.
5934 (rs6000_override_options): Set rs6000_always_hint to false
5935 for power6. Set rs6000_align_branch_targets. Replace
5936 rs6000_sched_groups check with rs6000_align_branch_targets.
5937 Use PROCESSOR_POWER6.
5938 (last_scheduled_insn): New variable.
5939 (load_store_pendulum): New variable.
5940 (rs6000_variable_issue): Set last_scheduled_insn and
5941 cached_can_issue_more.
5942 (rs6000_adjust_cost): Add power6 cost adjustments.
5943 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5944 with insn_must_be_first_in_group. Add power6 priority adjustments.
5945 (rs6000_issue_rate): Add CPU_POWER6.
5946 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5947 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5948 (TARGET_MFPGPR): New.
5949 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5950 (ASM_CPU_SPEC): Add power6x.
5951 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5953 * config/rs6000/power6.md: New file.
5955 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5957 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5958 HOST_WIDE_INT_PRINT to print high and low parts. Use
5959 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5960 printing a hexadecimal number prefix it with 0x.
5962 2006-11-01 Chris Johns <chris@contemporary.net.au>
5965 * Makefile.in (install-driver): Use exeext when installing
5966 $target-gcc-$version.
5968 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5970 * c-common.c (flag_cpp0x): New.
5971 * c-common.h (flag_cpp0x): New.
5972 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5973 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5974 * c-opts.c (set_std_cxx0x): New.
5975 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5976 * c.opt (std=c++0x): Document.
5977 (std=gnu++0x): Ditto.
5978 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5979 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5981 2006-11-01 Richard Guenther <rguenther@suse.de>
5983 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5985 (ix86_expand_floorceildf_32): Likewise.
5986 (ix86_expand_floorceil): Likewise.
5987 (ix86_expand_trunc): Likewise.
5989 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5991 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5994 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5996 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5998 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6000 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6002 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6003 * configure.ac (use_cxa_atexit): As a special case, don't test
6004 for libc definition of __cxa_atexit on mingw32
6005 * configure: Regenerate.
6006 * config.gcc (i[34567]86-pc-mingw32): Default to
6007 enable__cxa_atexit=yes.
6009 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6011 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6013 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6016 * c-decl.c (start_struct): Don't create self-containing
6018 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6020 * config/rs6000/rs6000-protos.h
6021 (darwin_rs6000_special_round_type_align): New.
6022 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6023 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6025 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6027 * toplev.c (compile_file): Call final_write_globals
6028 even if there have been errors.
6030 2006-10-31 Eric Christopher <echristo@apple.com>
6031 Falk Hueffner <falk@debian.org>
6033 * doc/extend.texi (__builtin_bswap32): Document.
6034 (__builtin_bswap64): Ditto.
6035 * doc/libgcc.texi (bswapsi2): Document.
6037 * doc/rtl.texi (bswap): Document.
6038 * optabs.c (expand_unop): Don't widen a bswap.
6039 (init_optabs): Init bswap. Set libfuncs explicitly
6040 for bswapsi2 and bswapdi2.
6041 * optabs.h (OTI_bswap): New.
6042 (bswap_optab): Ditto.
6043 * genopinit.c (optabs): Handle bswap_optab.
6044 * tree.h (tree_index): Add TI_UINT32_TYPE and
6046 (uint32_type_node): New.
6047 (uint64_type_node): Ditto.
6048 * tree.c (build_common_tree_nodes_2): Initialize
6049 uint32_type_node and uint64_type_node.
6050 * builtins.c (expand_builtin_bswap): New.
6051 (expand_builtin): Call.
6052 (fold_builtin_bswap): New.
6053 (fold_builtin_1): Call.
6054 * fold-const.c (tree_expr_nonnegative_p): Return true
6056 * builtin-types.def (BT_UINT32): New.
6058 (BT_FN_UINT32_UINT32): Ditto.
6059 (BT_FN_UINT64_UINT64): Ditto.
6060 * builtins.def (BUILT_IN_BSWAP32): New.
6061 (BUILT_IN_BSWAP64): Ditto.
6062 * rtl.def (BSWAP): New.
6063 * genattrtab.c (check_attr_value): New.
6064 * libgcc2.c (__bswapSI2): New.
6065 (__bswapDI2): Ditto.
6066 * libgcc2.h (__bswapSI2): Declare.
6067 (__bswapDI2): Ditto.
6068 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6069 * simplify-rtx.c (simplify_const_unary_operation): Return
6071 * libgcc-std.ver (__bwapsi2): Add.
6072 (__bswapdi2): Ditto.
6073 * reload1.c (eliminate_regs_1): Add bswap.
6074 (elimination_effects): Ditto.
6075 * config/i386/i386.h (x86_bswap): New.
6076 (TARGET_BSWAP): Use.
6077 * config/i386/i386.c (x86_bswap): Set.
6079 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6081 * coverage.c (coverage_checksum_string): Update comment.
6082 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6083 of get_file_function_name.
6084 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6085 of get_file_function_name_long.
6086 * tree.c (get_file_function_name): Rename from
6087 get_file_function_name_long; improve comment; handle 'I' and 'D'
6088 specially when the target has ctor/dtor support; remove special
6090 (get_file_function_name): Remove.
6091 * tree.h (get_file_function_name): Rename from
6092 get_file_function_name_long.
6093 (get_file_function_name): Remove prototype.
6095 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6097 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6098 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6100 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6101 Call dsymutil when compiling and linking one or more source files
6104 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6107 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6109 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6111 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6112 inline static functions in c99 mode.
6115 * doc/extend.texi (Inline): Update.
6116 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6117 * c-decl.c (current_extern_inline): Delete.
6118 (pop_scope): Adjust test for an undefined nested function.
6119 Add warning about undeclared inline function.
6120 (diagnose_mismatched_decls): Update comments. Disallow overriding
6121 of inline functions in a translation unit in C99. Allow inline
6122 declarations in C99 at any time.
6123 (merge_decls): Boolize variables. Handle C99 'extern inline'
6125 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6126 C99 inline semantics.
6127 (start_function): Don't clear current_extern_inline. Don't set
6129 (c_push_function_context): Don't push current_extern_inline.
6130 (c_pop_function_context): Don't restore current_extern_inline.
6133 * c-typeck.c (build_external_ref): Warn about static variables
6134 used in extern inline functions.
6135 * c-decl.c (start_decl): Warn about static variables declared
6136 in extern inline functions.
6138 2006-10-31 Roger Sayle <roger@eyesopen.com>
6141 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6142 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6143 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6144 or y is an even integer.
6146 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6149 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6150 * gthr-posix95.h (__gthread_active_p): Likewise.
6152 2006-10-31 Richard Guenther <rguenther@suse.de>
6154 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6155 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6156 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6157 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6158 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6159 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6160 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6161 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6164 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6166 * opts.c (decode_options): Disable CSE skip blocks.
6168 2006-10-30 Dirk Mueller <dmueller@suse.de>
6170 * c-common.h (strict_aliasing_warning): Fix whitespace.
6171 * c-decl (start_function): Move code for main decl warning ..
6172 * c-common.c (check_main_parameter_types): .. here.
6173 * c-common.h (check_main_parameter_types): Declare.
6175 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6178 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6180 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6182 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6183 be a PARALLEL containing sets. Return false when out_pat is not
6186 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6188 * config/mips/mips.md (mul<mode>3): Split into...
6189 (mulsi3, muldi3): ...these separate patterns.
6191 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6193 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6194 but with each set of options separated by spaces.
6196 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6198 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6199 dwarf_reg_size_table has been initialized.
6201 2006-10-30 Roger Sayle <roger@eyesopen.com>
6203 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6204 * ddg.c (print_ddg_edge): Likewise.
6205 * dwarf2out.c (prune_unused_types_walk): Likewise.
6206 * ifcvt.c (noce_try_cmove_arith): Likewise.
6207 * langhooks.c (add_builtin_function): Likewise.
6208 * reg-stack.c (subst_stack_regs_pat): Likewise.
6209 * tree.c (expanded_location): Likewise.
6210 * tree-dump.c (dequeue_and_dump): Likewise.
6212 2006-10-30 David Daney <ddaney@avtrex.com>
6214 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6216 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6218 PR tree-optimization/29637
6219 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6220 of the innertype is the innertype itself.
6222 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6224 * dwarf2out.c (file_name_acquire): Correct typo.
6226 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6228 * tree.h (tree_value_handle): Remove struct value_set declaration.
6229 Change value_set to bitmap_set.
6230 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6231 * tree-vn.c (get_value_handle): Made inline and moved to
6233 * tree-flow-inline.h: (has_stmt_ann): New function.
6234 * tree-ssa-pre.c (expressions): New variable.
6235 (next_expression_id): Ditto.
6236 (alloc_expression_id): New function.
6237 (struct value_set): Remove.
6238 (get_expression_id): New function.
6239 (get_or_alloc_expression_id): Ditto.
6240 (expression_for_id): Ditto.
6241 (clear_expression_ids): Ditto.
6242 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6243 (bb_value_sets): Renamed to bb_bitmap_sets.
6244 All value sets replaced with bitmap_sets.
6246 (BB_VISITED): New macro.
6247 (postorder): New variable.
6248 (add_to_value): Removed.
6249 (value_exists_in_set_bitmap): Ditto.
6250 (value_insert_into_set_bitmap): Ditto.
6253 (set_remove): Ditto.
6254 (set_contains_value): Ditto.
6255 (insert_into_set): Ditto.
6257 (find_leader): Ditto.
6258 (bitmap_set_subtract_from_value_set): Ditto.
6259 (value_insert_into_set): Ditto.
6260 (print_value_set): Ditto.
6261 (debug_value_set): Ditto.
6262 (constant_expr_p): New function.
6263 (bitmap_remove_from_set): Ditto.
6264 (bitmap_insert_into_set): Ditto.
6265 (bitmap_set_free): Ditto.
6266 (vh_compare): Ditto.
6267 (sorted_array_from_bitmap_set): Ditto.
6268 (bitmap_set_subtract): Ditto.
6269 (bitmap_set_equal): Ditto.
6270 (debug_bitmap_set): Ditto.
6271 (find_leader_in_sets): Ditto.
6272 (bitmap_set_replace_value): Modify for bitmapped sets.
6273 (phi_translate): Ditto.
6274 (phi_translate_set): Ditto.
6275 (bitmap_find_leader): Ditto.
6276 (valid_in_sets): Ditto.
6277 (union_contains_value): Ditto.
6279 (compute_antic_aux): Ditto. Mark changed blocks.
6280 (compute_antic): Ditto. Iterate in postorder and only over
6282 (compute_rvuse_and_antic_safe): Reuse postorder.
6283 (create_component_ref_by_pieces): Modify for bitmapped sets.
6284 (find_or_generate_expression): Ditto.
6285 (create_expression_by_pieces): Ditto.
6286 (insert_into_preds_of_block): Ditto.
6287 (changed_blocks): New variable.
6288 (do_regular_insertion): Broken out from insert_aux.
6289 (insert_aux): Modified for bitmapped sets.
6290 (find_existing_value_expr): New function.
6291 (create_value_expr_from): Use it.
6292 (insert_extra_phis): Removed.
6293 (print_bitmap_set): Renamed from bitmap_print_value_set.
6294 (compute_avail): Handle RETURN_EXPR.
6295 (init_pre): Modify for bitmapped sets.
6296 * tree-flow.h (has_stmt_ann): New function.
6298 2006-10-29 Roger Sayle <roger@eyesopen.com>
6300 * builtins.c (fold_builtin_floor): Check for the availability of
6301 the C99 trunc function before transforming floor into trunc.
6303 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6305 * builtins.c (fold_builtin_hypot): Rearrange recursive
6306 transformation before others, and also do ABS_EXPR. When
6307 necessary, check flag_unsafe_math_optimizations. When necessary,
6310 2006-10-29 Roger Sayle <roger@eyesopen.com>
6312 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6313 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6314 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6315 Fold -X eq/ne -Y as X eq/ne Y.
6317 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6319 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6320 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6321 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6322 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6323 Use an inclusive test for "mult" rather than "mul".
6324 (rotr<mode>3): Depend on ISA_HAS_ROR.
6325 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6327 (GENERATE_MULT3_DI): Delete.
6328 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6329 (ISA_HAS_MUL3): New macro.
6330 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6331 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6332 (ISA_HAS_CLZ_CLO): Likewise.
6333 (ISA_HAS_DCLZ_DCLO): Delete.
6334 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6335 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6336 the VR4120 and VR4130.
6337 (ISA_HAS_MACCHI): Use consistent formatting.
6338 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6339 (ISA_HAS_ROR): ...this new macro.
6340 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6341 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6342 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6344 2006-10-29 Roger Sayle <roger@eyesopen.com>
6346 PR tree-optimization/15458
6347 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6350 2006-10-29 Richard Guenther <rguenther@suse.de>
6352 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6353 (ix86_expand_truncdf_32): Likewise.
6354 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6355 trunc inline for SSE math and -fno-trapping-math and if not
6356 optimizing for size.
6357 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6358 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6359 for expanding btrunc inline for SSE math.
6361 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6363 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6364 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6365 i[34567]86-*-solaris2.1[0-9]*.
6366 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6367 Define conditionally depending on TARGET_64BIT_DEFAULT.
6368 (SPEC_32, SPEC_64): Define.
6369 (LINK_SPEC): Use them.
6370 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6372 2006-10-29 Richard Guenther <rguenther@suse.de>
6374 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6375 (ix86_expand_rounddf_32): Likewise.
6376 * config/i386/i386.c (ix86_expand_round): New function expanding
6377 round inline for SSE math and -fno-trapping-math and if not
6378 optimizing for size.
6379 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6380 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6381 round via ix86_expand_round.
6383 2006-10-29 Richard Guenther <rguenther@suse.de>
6385 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6386 (ix86_expand_floorceildf_32): Likewise.
6387 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6388 static helper function.
6389 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6391 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6392 * config/i386/i386.md (floordf2): Adjust to enable floor
6393 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6394 -fno-trapping-math is enabled and if not optimizing for size.
6395 (floorsf2, ceildf2, ceilsf2): Likewise.
6396 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6397 (sse2_maskcmpdf3): Likewise.
6399 2006-10-29 Richard Guenther <rguenther@suse.de>
6401 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6402 rint in case -fno-trapping-math is enabled.
6403 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6404 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6405 (ix86_expand_sse_fabs): Likewise.
6406 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6407 * config/i386/i386.md (rintdf2): Enable for SSE math if
6408 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6409 (rintsf2): Likewise.
6411 2006-10-29 Richard Guenther <rguenther@suse.de>
6413 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6414 to conversion optabs.
6415 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6416 as conversion optab.
6417 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6418 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6419 (lfloor_optab, lceil_optab): Adjust defines.
6420 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6421 lfloor and lceil optabs now being conversion optabs.
6422 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6423 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6424 New static helper function.
6425 (ix86_expand_lfloorceil): New function to expand lfloor and
6427 * config/i386/i386.md (lfloor<mode>2): Split into ...
6428 (lfloorxf<mode>2): ... x87 variant
6429 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6430 using ix86_expand_lfloorceil.
6431 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6433 * doc/md.texi (lfloorMN, lceilMN): Document.
6435 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6437 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6438 -mno-shared assembler option on mips targets.
6439 * configure, config.in: Regenerate.
6440 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6441 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6442 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6444 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6446 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6447 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6449 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6451 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6452 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6455 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6458 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6459 (fold_builtin_pow): Evaluate constant arguments at compile-time
6461 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6462 (do_mpfr_ckconv): New helper function.
6463 (do_mpfr_arg1): Use do_mpfr_ckconv.
6464 (do_mpfr_arg2): New.
6466 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6469 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6470 (-fdump-rtl-sched): Rename to ..
6471 (-fdump-rtl-sched1): here. Also fix file extension number.
6473 2006-10-28 Richard Guenther <rguenther@suse.de>
6475 * fold-const.c (maybe_canonicalize_comparison): Fix code
6478 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6480 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6481 (NON_QI_REG_P): Use IN_RANGE.
6482 (REX_INT_REGNO_P): Use IN_RANGE.
6483 (FP_REGNO_P): Use IN_RANGE.
6484 (SSE_REGNO_P): Use IN_RANGE.
6485 (REX_SSE_REGNO_P): Use IN_RANGE.
6486 (MMX_REGNO_P): Use IN_RANGE.
6487 (STACK_REGNO_P): New macro.
6488 (STACK_REG_P): Use STACK_REGNO_P.
6489 (NON_STACK_REG_P): Use STACK_REGNO_P.
6490 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6491 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6492 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6493 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6494 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6496 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6498 * except.h (output_function_exception_table): Add 'const char*' param.
6499 * except.c (switch_to_exception_section): Add 'const char*' param.
6500 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6501 and flag_function_sections is set, use a function-specific section.
6502 (output_function_exception_table): Add 'const char*' param.
6503 Adjust call to switch_to_exception_section.
6504 * final.c (rest_of_handle_final): Adjust calls to
6505 output_function_exception_table.
6506 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6507 * config.in: Regenerate.
6508 * configure: Likewise.
6510 2006-10-28 Richard Guenther <rguenther@suse.de>
6513 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6514 for maybe_canonicalize_comparison.
6515 (maybe_canonicalize_comparison): New function for canonicalizing
6517 (fold_comparison): Call it to canonicalize comparisons with
6520 2006-10-28 Richard Guenther <rguenther@suse.de>
6523 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6524 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6525 (expand_builtin): Adjust likewise.
6526 * genopinit.c (optabs[]): Add lround optab.
6527 * optabs.c (init_optabs): Initialize lround_optab.
6528 * optabs.h (enum convert_optab_index): Add COI_lround.
6529 (lround_optab): Define.
6530 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6531 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6533 (ix86_expand_lround): New function.
6534 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6536 * doc/md.texi (lroundMN2): Document.
6538 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6541 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6542 argument to HOST_WIDE_INT. Update function prototype.
6543 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6544 "size" argument to HOST_WIDE_INT. Update function prototype.
6546 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6548 * config/i386/i386.c (output_387_ffreep): Create output from a
6549 template string for !HAVE_AS_IX86_FFREEP.
6551 2006-10-27 Eric Christopher <echristo@apple.com>
6553 * config/darwin.c: Fix formatting and grammar.
6555 2006-10-27 Jan Hubicka <jh@suse.cz>
6557 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6558 to be thrown away soon when IGNORE is set.
6559 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6560 indicating when return value shall not be computed.
6561 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6563 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6565 * config/i386/i386.h (TARGET_GEODE):
6566 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6567 (TARGET_CPU_DEFAULT_geode): New macro.
6568 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6569 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6570 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6571 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6572 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6574 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6575 (processor_type): Add PROCESSOR_GEODE.
6577 * config/i386/i386.md: Include geode.md.
6580 * config/i386/i386.c (geode_cost): New initialized global
6582 (m_GEODE, m_K6_GEODE): New macros.
6583 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6584 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6585 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6586 x86_schedule): Use m_K6_GEODE instead of m_K6.
6587 (x86_movx, x86_cmove): Set up m_GEODE.
6588 (x86_integer_DFmode_moves): Clear m_GEODE.
6589 (processor_target_table): Add entry for geode.
6590 (processor_alias_table): Ditto.
6592 * config/i386/geode.md: New file.
6594 * doc/invoke.texi: Add entry about geode processor.
6596 2006-10-27 Mike Stump <mrs@apple.com>
6598 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6599 __DYNAMIC__ from here back to ...
6600 * config/darwin.h (CPP_SPEC): ... here.
6602 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6603 Nathan Sidwell <nathan@codesourcery.com>
6605 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6606 when choosing the minimum heapsize.
6608 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6610 * gcc/unwind-dw2.h: Move cfa-related variables into
6611 struct frame_state_reg_info to ensure that the CFA is properly
6612 handled when executing DW_CFA_{remember,restore}_state.
6613 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6614 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6615 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6616 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6617 gcc/config/rs6000/linux-unwind.h,
6618 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6619 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6620 Modify to use new cfa_* fields.
6622 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6624 * config/s390/s390.c (s390_init_frame_layout): Check positive
6627 2006-10-26 Ben Elliston <bje@au.ibm.com>
6629 * gimplify.c (get_name): Remove extraneous break.
6630 (gimplify_omp_for): Initialise ret with GS_OK.
6632 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6634 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6635 Add unix98.o to link line.
6637 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6640 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6641 Calculate compile-time constants using MPFR.
6642 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6643 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6645 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6647 * config/xtensa/lib2funcs.S: Use C-style comments.
6649 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6651 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6652 (file_table_relative_p): Likewise.
6653 (dwarf2out_finish): Likewise.
6654 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6656 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6658 * tree-ssa-structalias.c (intra_create_variable_infos):
6659 Don't recreate nonlocal_all if it already exists.
6661 2006-10-25 Richard Guenther <rguenther@suse.de>
6664 * optabs.h (enum optab_index): Remove OTI_lrint.
6665 (enum convert_optab_index): Add COI_lrint.
6666 (lrint_optab): Adjust.
6667 (expand_sfix_optab): Declare.
6668 * optabs.c (expand_sfix_optab): New function.
6669 (init_optabs): Init lrint_optab as conversion optab.
6670 * genopinit.c (lrint_optab): Change to a conversion optab.
6671 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6672 expansion via conversion optab.
6673 * config/i386/i386.md (*fistdi2_1): Remove
6674 flag_unsafe_math_optimizations guard.
6675 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6676 fist<mode>2_with_temp): Likewise.
6677 (lrint<mode>2): Split into...
6678 (lrintxf<mode>2): ... x87 part
6679 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6680 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6681 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6682 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6683 * doc/md.texi (lrintMN2): Document.
6685 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6688 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6689 Use inc and dec instructions for TARGET_USE_INCDEC.
6690 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6691 ("sync_double_compare_and_swap<mode>"): Likewise.
6692 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6693 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6694 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6695 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6696 ("sync_old_add<mode>"): Likewise.
6697 ("sync_lock_test_and_set<mode>"): Likewise.
6698 ("sync_lock_test_and_set<mode>"): Likewise.
6699 ("sync_add<mode>"): Likewise.
6700 ("sync_sub<mode>"): Likewise.
6701 ("sync_ior<mode>"): Likewise.
6702 ("sync_and<mode>"): Likewise.
6703 ("sync_xor<mode>"): Likewise.
6705 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6707 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6708 (remainder_optab): Define corresponding macro.
6709 (drem_optab): Remove.
6710 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6711 drem_optab initialization.
6712 * genopinit.c (optabs): Implement remainder_optab using
6713 remainder?f3 patterns. Remove drem_optab.
6714 * builtins.c (expand_builtin_mathfn_2): Handle
6715 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6716 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6717 expand_builtin_mathfn_2.
6719 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6720 depend on flag_unsafe_math_optimizations.
6722 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6723 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6724 Do not depend on flag_unsafe_math_optimizations. Use
6725 truncxf?f expander instead of truncxf?f_i387_noop.
6727 ("fpremxf4", "fprem1xf4"): Do not depend on
6728 flag_unsafe_math_optimizations.
6729 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6730 flag_unsafe_math_optimizations. Use truncxf?f expander
6731 instead of truncxf?f_i387_noop.
6733 * doc/md.texi (fmod, remainder): Document standard named pattern.
6735 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6736 David Daney <ddaney@avtrex.com>
6739 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6741 2006-10-25 Ben Elliston <bje@au.ibm.com>
6743 * doc/extend.texi (Variable Attributes): Typo fix.
6745 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6747 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6748 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6749 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6750 (FRAME_POINTER_REGNUM): Update register number to 21.
6751 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6752 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6754 * config/i386/i386.c (regclass_map): Add fpcr entry.
6755 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6757 (print_reg): Assert REGNO (x) != FPCR_REG.
6759 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6760 (DIRFLAG_REG): Renumber.
6761 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6762 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6763 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6764 hardcoded SSE register numbers.
6766 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6767 hardcoded MMX register numbers.
6769 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6773 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6775 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6776 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6777 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6778 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6780 2006-10-24 Richard Guenther <rguenther@suse.de>
6783 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6784 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6785 for deciding optimizations in consistency with fold-const.c
6786 (fold_builtin_unordered_cmp): Likewise.
6788 2006-10-24 Richard Guenther <rguenther@suse.de>
6790 * builtins.c (fold_builtin_floor): Fold floor (x) where
6791 x is nonnegative to trunc (x).
6792 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6793 nonnegative to FIX_TRUNC_EXPR.
6795 2006-10-24 Richard Guenther <rguenther@suse.de>
6797 PR tree-optimization/29567
6798 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6799 for TRUTH_NOT_EXPR. Clarify comments.
6801 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6804 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6805 at compile-time using MPFR. Change parameter VALUE to FUNC,
6807 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6808 for overflow and underflow at all times and avoid folding in
6811 2006-10-24 Ben Elliston <bje@au.ibm.com>
6813 * reload1.c: Formatting fixes.
6815 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6817 PR tree-optimization/14784
6818 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6819 * tree-ssa-structalias.c (get_constraint_for,
6820 intra_create_variable_infos): Set is_heapvar.
6821 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6822 non-heapvar pointer variables specially.
6824 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6827 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6828 fold_builtin_tan): Fold all constant arguments. Take a "type"
6829 argument as necessary.
6830 (do_mpfr_arg1): New.
6831 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6833 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6835 * config/xtensa/lib1funcs.asm: Use C-style comments.
6837 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6839 * tree.c (local_define_builtin): Replace calls to
6840 lang_hooks.builtin_function with add_builtin_function.
6841 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6843 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6845 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6846 common code to add_builtin_function.
6847 * langhooks.c (add_builtin_function): New function.
6848 (lhd_builtin_function): New function.
6849 * langhooks.h (struct lang_hooks): Change the signature of
6851 (add_builtin_function): New function.
6852 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6853 calls to lang_hooks.builtin_function with add_builtin_function.
6854 * c-common.c (decl_builtin_1): Replace calls to
6855 lang_hooks.builtin_function with add_builtin_function.
6856 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6857 lang_hooks.builtin_function with add_builtin_function.
6858 * config/frv/frv.c (def_builtin): Replace calls to
6859 lang_hooks.builtin_function with add_builtin_function.
6860 * config/s390/s390.c (s390_init_builtins): Replace calls to
6861 lang_hooks.builtin_function with add_builtin_function.
6862 * config/sparc/sparc.c (def_builtin): Replace calls to
6863 lang_hooks.builtin_function with add_builtin_function.
6864 * config/i386/i386.c (def_builtin): Replace calls to
6865 lang_hooks.builtin_function with add_builtin_function.
6866 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6867 lang_hooks.builtin_function with add_builtin_function.
6868 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6869 lang_hooks.builtin_function with add_builtin_function.
6870 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6871 Replace calls to lang_hooks.builtin_function with
6872 add_builtin_function.
6873 * config/iq2000/iq2000.c (def_builtin):
6874 Replace calls to lang_hooks.builtin_function with
6875 add_builtin_function.
6876 * config/ia64/ia64.c (def_builtin): Replace calls to
6877 lang_hooks.builtin_function with add_builtin_function.
6878 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6879 lang_hooks.builtin_function with add_builtin_function.
6880 (altivec_init_builtins): Replace calls to
6881 lang_hooks.builtin_function with add_builtin_function.
6882 * config/arm/arm.c (def_mbuiltin): Replace calls to
6883 lang_hooks.builtin_function with add_builtin_function.
6884 (arm_init_tls_builtins): Replace calls to
6885 lang_hooks.builtin_function with add_builtin_function.
6886 * config/mips/mips.c (mips_init_builtins): Replace calls to
6887 lang_hooks.builtin_function with add_builtin_function.
6888 * config/bfin/bfin.c (def_builtin): Replace calls to
6889 lang_hooks.builtin_function with add_builtin_function.
6890 * langhooks-def.h (lhd_builtin_function): New function.
6891 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6893 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6895 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6896 BUILT_IN_STRNCAT_CHK.
6898 2006-10-23 Jan Hubicka <jh@suse.cz>
6900 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6901 don't do conversion from memmove to memcpy here.
6902 (expand_builtin_bcopy, expand_builtin): Update call of
6903 expand_builtin_memmove.
6904 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6906 2006-10-23 Paul Brook <paul@codesourcery.com>
6908 * stor-layout.c (start_record_layout): maximum_field_alignment
6909 overrides STRUCTURE_SIZE_BOUNDARY.
6911 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6913 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6914 nonlocal function symbols if flag_pic.
6916 2006-10-23 Richard Guenther <rguenther@suse.de>
6920 * builtins.c (fold_binary): Remove checks for flag_wrapv
6921 and flag_trapv where negate_expr_p covers these cases.
6923 2006-10-23 Richard Guenther <rguenther@suse.de>
6926 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6927 of two on the absolute value.
6928 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6929 and negating -C does not overflow.
6931 2006-10-23 Richard Guenther <rguenther@suse.de>
6934 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6935 only if not flag_rounding_math.
6937 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6938 Kaz Kojima <kkojima@gcc.gnu.org>
6941 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6942 SImode memory reference for the source of a movua.
6943 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6944 (movua): Use an unspec instead of sign_extract. Expect the source
6945 to have mode BLKmode.
6946 (extv, insv): Use a BLKmode rather than SImode memory reference
6947 for the source of a movua.
6949 2006-10-22 Jeff Law <law@redhat.com>
6950 Richard Guenther <rguenther@suse.de>
6952 PR tree-optimization/15911
6953 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6954 (register_edge_assert_for_1): Likewise.
6955 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6956 (find_conditional_asserts): Adjust for new function signature.
6957 (find_assert_locations): Likewise.
6959 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6961 * config/i386/tmmintrin.h: Remove the duplicated content.
6963 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6965 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6966 (x86_64-*-*): Likewise.
6968 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6969 (override_options): Check SSSE3.
6970 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6971 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6972 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6973 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6974 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6975 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6976 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6977 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6978 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6979 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6980 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6981 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6982 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6983 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6984 IX86_BUILTIN_PABSD128.
6985 (bdesc_2arg): Add SSSE3.
6986 (bdesc_1arg): Likewise.
6987 (ix86_init_mmx_sse_builtins): Support SSSE3.
6988 (ix86_expand_builtin): Likewise.
6989 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6991 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6992 (UNSPEC_PSIGN): Likewise.
6993 (UNSPEC_PALIGNR): Likewise.
6994 Include mmx.md before sse.md.
6996 * config/i386/i386.opt: Add -mssse3.
6998 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6999 (ssse3_phaddwv4hi3): Likewise.
7000 (ssse3_phadddv4si3): Likewise.
7001 (ssse3_phadddv2si3): Likewise.
7002 (ssse3_phaddswv8hi3): Likewise.
7003 (ssse3_phaddswv4hi3): Likewise.
7004 (ssse3_phsubwv8hi3): Likewise.
7005 (ssse3_phsubwv4hi3): Likewise.
7006 (ssse3_phsubdv4si3): Likewise.
7007 (ssse3_phsubdv2si3): Likewise.
7008 (ssse3_phsubswv8hi3): Likewise.
7009 (ssse3_phsubswv4hi3): Likewise.
7010 (ssse3_pmaddubswv8hi3): Likewise.
7011 (ssse3_pmaddubswv4hi3): Likewise.
7012 (ssse3_pmulhrswv8hi3): Likewise.
7013 (ssse3_pmulhrswv4hi3): Likewise.
7014 (ssse3_pshufbv16qi3): Likewise.
7015 (ssse3_pshufbv8qi3): Likewise.
7016 (ssse3_psign<mode>3): Likewise.
7017 (ssse3_psign<mode>3): Likewise.
7018 (ssse3_palignrti): Likewise.
7019 (ssse3_palignrdi): Likewise.
7020 (abs<mode>2): Likewise.
7021 (abs<mode>2): Likewise.
7023 * config/i386/tmmintrin.h: New file.
7025 * doc/extend.texi: Document SSSE3 built-in functions.
7027 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7029 2006-10-22 Ira Rosen <irar@il.ibm.com>
7031 * tree-vect-transform.c (vectorizable_load): Use the type of the
7032 return value of the mask_for_load builtin to create realign_load
7035 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7037 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7040 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7042 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7043 (UNSPEC_LDDQU): This.
7044 * config/i386/sse.md (sse3_lddqu): Updated.
7046 2006-10-21 Richard Guenther <rguenther@suse.de>
7048 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7049 (expand_builtin): Use it to expand lrint instead of
7050 expand_builtin_mathfn.
7052 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7055 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7056 flag_unsafe_math_optimizations is set.
7058 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7061 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7062 patterns to use memory input operand in x87->mem->XMM
7063 reload sequences. Skip transformation for TARGET_K8.
7065 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7067 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7068 force operand1 to register if both operands are memory operands.
7069 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7070 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7071 if both operands are memory operands.
7072 (truncdfsf2): Do not force operand1 to register if both operands
7073 are memory operands.
7075 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * Makefile.in (LIBS): Add $(GMPLIBS).
7078 * doc/install.texi: Update GMP and MPFR requirements.
7079 * doc/sourcebuild.texi (need_gmp): Delete.
7081 2006-10-21 Richard Guenther <rguenther@suse.de>
7083 PR tree-optimization/3511
7084 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7085 got new invariant arguments during PHI translation.
7087 2006-10-21 Richard Guenther <rguenther@suse.de>
7090 * fold-const.c (fold_comparison): Fold signed comparisons
7091 of the form X +- C1 CMP Y +- C2.
7093 2006-10-21 Richard Guenther <rguenther@suse.de>
7096 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7097 if flag_unsafe_math_optimizations is specified. We have
7098 flag_finite_math_only for that.
7099 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7100 or flag_unsafe_math_optimizations.
7102 2006-10-21 Richard Guenther <rguenther@suse.de>
7104 * builtins.c (fold_builtin_classify): Fix typo.
7106 2006-10-21 Richard Guenther <rguenther@suse.de>
7109 * simplify-rtx.c (simplify_const_relational_operation):
7110 Do not constant-fold ORDERED and UNORDERED for
7111 flag_unsafe_math_optimizations but only we do not need to
7112 honor NaNs for the given mode.
7114 2006-10-21 Richard Guenther <rguenther@suse.de>
7117 * config/i386/i386.c (classify_argument): Remove redundant
7118 walking of the BINFOs.
7119 (contains_128bit_aligned_vector_p): Likewise.
7121 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7123 * BASE-VER: Set to 4.3.0.
7125 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7127 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7128 (tree_decl_with_vis): Remove artificial_pta_var flag.
7129 * tree-flow.h (referenced_var_check_and_insert): Expose.
7130 (nonlocal_all): New prototype.
7131 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7132 (nonlocal_all): Make global.
7133 (nonlocal_lookup): Remove.
7134 (nonlocal_insert): Ditto.
7135 (create_nonlocal_var): Do not call nonlocal_insert.
7136 (get_nonlocal_id_for_type): Remove.
7137 (find_global_initializers): Mark new vars we find for renaming.
7138 (intra_create_variable_infos): Only create one nonlocal.
7139 (expand_nonlocal_solutions): Remove.
7140 (compute_points_to_sets): Don't call it.
7141 (ipa_pta_execute): Ditto.
7142 (init_alias_heapvars): Don't create nonlocal_for_type.
7143 (delete_alias_heapvars): Don't remove it.
7144 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7147 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7149 * doc/install.texi (Downloading GCC): Clarify mention of
7150 Fortran in the "full distribution" description.
7152 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7154 Fix PR tree-optimization/28778
7155 Fix PR tree-optimization/29156
7156 Fix PR tree-optimization/29415
7157 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7158 (tree_decl_with_vis): Add artificial_pta_var flag.
7159 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7160 pushed into callers.
7161 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7162 (nonlocal_all): Ditto.
7163 (struct variable_info): Add directly_dereferenced member.
7164 (var_escaped_vars): New variable.
7165 (escaped_vars_tree): Ditto.
7166 (escaped_vars_id): Ditto.
7167 (nonlocal_vars_id): Ditto.
7168 (new_var_info): Set directly_dereferenced.
7169 (graph_size): New variable
7170 (build_constraint_graph): Use graph_size.
7171 (solve_graph): Don't process constraints that cannot change the
7172 solution, don't try to propagate an empty solution to our
7174 (process_constraint): Set directly_dereferenced.
7175 (could_have_pointers): New function.
7176 (get_constraint_for_component_ref): Don't process STRING_CST.
7177 (nonlocal_lookup): New function.
7178 (nonlocal_insert): Ditto.
7179 (create_nonlocal_var): Ditto.
7180 (get_nonlocal_id_for_type): Ditto.
7181 (get_constraint_for): Allow results vector to be empty in the case
7182 of string constants.
7183 Handle results of calls properly.
7184 (update_alias_info): Update alias info stats on number and type of
7186 (find_func_aliases): Use could_have_pointers.
7187 (make_constraint_from_escaped): Renamed from
7188 make_constraint_to_anything, and changed to make constraints from
7190 (make_constraint_to_escaped): New function.
7191 (find_global_initializers): Ditto.
7192 (create_variable_info_for): Make constraint from escaped to any
7193 global variable, and from any global variable to the set of
7195 (intra_create_variable_infos): Deal with escaped instead of
7196 pointing to anything.
7197 (set_uids_in_ptset): Do type pruning on directly dereferenced
7199 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7200 (init_base_vars): Fix comment, and initialize escaped_vars.
7201 (need_to_solve): Removed.
7202 (find_escape_constraints): New function.
7203 (expand_nonlocal_solutions): Ditto.
7204 (compute_points_to_sets): Call find_escape_constraints and
7205 expand_nonlocal_solutions.
7206 (delete_points_to_sets): Don't fall off the end of the graph.
7207 (init_alias_heapvars): Initialize nonlocal_for_type and
7209 (delete_alias_heapvars): Free nonlocal_for_type and null out
7212 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7214 * fold-const.c (add_double): Rename to add_double_with_sign.
7215 Add 'unsigned_p' parameter and take it into account for the overflow.
7216 (mul_double): Rename to mul_double_with_sign.
7217 Add 'unsigned_p' parameter and take it into account for the overflow.
7218 (fold_div_compare): Call add_double_with_sign instead of add_double
7219 and mul_double_with_sign instead of mul_double, passing them the
7220 unsignedness of the type.
7221 * tree.h (add_double): Macroize.
7222 (add_double_with_sign): New prototype.
7223 (mul_double): Macroize.
7224 (mul_double_with_sign): New prototype.
7226 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7228 * config/score/crti.asm: New file.
7229 * config/score/crtn.asm: New file.
7230 * config/score/elf.h: New file.
7231 * config/score/mac.md: New file.
7232 * config/score/misc.md: New file.
7233 * config/score/mul-div.S: New file.
7234 * config/score/predicates.md: New file.
7235 * config/score/score7.md: New file.
7236 * config/score/score.c: New file.
7237 * config/score/score-conv.h: New file.
7238 * config/score/score.h: New file.
7239 * config/score/score.md: New file.
7240 * config/score/score-mdaux.c: New file.
7241 * config/score/score-mdaux.h: New file.
7242 * config/score/score-modes.def: New file.
7243 * config/score/score.opt: New file.
7244 * config/score/score-protos.h: New file.
7245 * config/score/score-version.h: New file.
7246 * config/score/t-score-elf: New file.
7247 * config.gcc: Add score*-*-* configurations(Update before).
7248 * doc/invoke.texi (Score Options): New section.
7249 * doc/md.texi (Score family): New section to document constraints.
7251 2006-10-19 Nick Clifton <nickc@redhat.com>
7253 * config/arm/arm.c: Fix spelling typo.
7255 2006-10-18 Tom Tromey <tromey@redhat.com>
7257 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7259 2006-10-18 Jan Hubicka <jh@suse.cz>
7262 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7265 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7267 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7268 TSI_SAME_STMT, since that's the desired entity.
7270 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7272 * config/s390/contraints.md: New file.
7273 * config/s390/s390-protos.h (s390_mem_constraint,
7274 s390_O_constraint_str, s390_N_constraint_str,
7275 s390_float_const_zero_p): Function prototypes added.
7276 * config/s390/s390.c (s390_extra_constraint_str,
7277 s390_const_double_ok_for_constraint_p,
7278 s390_const_ok_for_constraint_p): Functions removed.
7279 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7280 s390_float_const_zero_p): New functions.
7281 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7282 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7283 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7284 Macro definitions removed.
7285 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7286 s390_extra_constraint_str): Functions removed.
7288 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7289 Richard Sandiford <richard@codesourcery.com>
7292 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7293 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7295 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7297 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7298 (DWARF2_FRAME_REG_OUT): Likewise.
7299 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7300 (DWARF2_FRAME_REG_OUT): Likewise.
7302 2006-10-17 Paul Brook <paul@codesourcery.com>
7304 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7306 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7308 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7309 Standardize on "GNU Fortran" as the official name of the Fortran
7312 2006-10-16 Mike Stump <mrs@apple.com>
7314 * doc/invoke.texi (Darwin Options): Document -mkernel.
7315 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7317 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7318 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7319 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7320 (OS_MISSING_ALTIVEC): Add.
7321 * config/i386/i386.c (override_options): Add
7322 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7323 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7324 -mkernel, -static or -mdynamic-no-pic is given.
7325 (C_COMMON_OVERRIDE_OPTIONS): Add.
7326 * config/darwin.opt (fapple-kext): Add.
7328 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7329 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7331 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7332 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7333 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7334 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7335 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7336 (flag_mkernel): Add.
7337 (flag_apple_kext): Add.
7338 (TARGET_KEXTABI): Add.
7339 * config/darwin.c (darwin_handle_kext_attribute): Add.
7340 (DARWIN_VTABLE_P): Add.
7341 (darwin_binds_local_p): Add partial support for rebinding vtables
7343 (darwin_kextabi_p): Add.
7344 (darwin_override_options): Add.
7345 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7346 (darwin_kextabi_p): Add.
7347 (darwin_override_options): Add.
7348 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7349 __DYNAMIC__ and __STATIC__ here.
7351 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7353 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7354 Added mention of "make pdf" target, and Texinfo requirements for
7357 2006-10-16 DJ Delorie <dj@redhat.com>
7359 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7360 into the GOT in case we need a subreg of the address.
7362 2006-10-16 Richard Guenther <rguenther@suse.de>
7365 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7366 SSE builtin documentation. Document SSE2 builtins.
7368 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7370 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7371 symbol in the output file for non-shared links when -nostdlib or
7372 -nodefaultlibs isn't specified.
7374 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7375 posix thread support.
7377 2006-10-15 Jan Hubicka <jh@suse.cz>
7380 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7381 declared always_inline even when not inlining.
7383 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7384 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7385 Andrew Pinski <pinskia@gmail.com>
7388 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7390 2006-10-15 Jan Hubicka <jh@suse.cz>
7391 Richard Guenther <rguenther@suse.de>
7394 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7395 process_function_and_variable_attributes on all variables, including
7396 those discovered during cgraph construction phase.
7398 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7400 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7402 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7404 * config/i386/athlon.md (athlon_fist): Add fisttp.
7406 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7407 Ian Lance Taylor <ian@airs.com>
7410 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7411 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7414 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7416 * config/score/score.c, config/score/score.h: Fix comment
7419 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7422 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7425 2006-10-13 Eric Christopher <echristo@apple.com>
7427 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7429 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7432 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7433 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7434 alignment supported by 32-bit ELF.
7436 2006-10-13 Eric Christopher <echristo@apple.com>
7438 * config/darwin.c (darwin_emit_unwind_label): Strip
7439 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7441 2006-10-13 Richard Guenther <rguenther@suse.de>
7443 PR tree-optimization/29446
7444 * tree-vrp.c (fix_equivalence_set): Remove.
7445 (extract_range_from_assert): Do not call fix_equivalence_set.
7446 (debug_value_range): Print a newline.
7447 (compare_name_with_value): For equivalence sets with
7448 inconsistent value ranges conservatively bail out.
7449 (compare_names): Likewise.
7451 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7453 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7454 and MPFR for gfortran.
7456 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7458 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7459 alignment supported by 32-bit ELF.
7461 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7465 * c-typeck.c (digest_init): Always allow initializing vectors
7466 that have static storage duration with compound literals.
7467 * tree.c (build_type_attribute_qual_variant): New, based on
7468 build_type_attribute_variant.
7469 (build_type_attribute_variant): Rewrite using the former.
7470 (make_vector_type): Use build_type_attribute_qual_variant to build
7471 type variants. Use type_hash_canon on the others.
7473 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7474 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7476 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7478 2006-10-12 Jan Hubicka <jh@suse.cz>
7481 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7482 current_function_decl is set but current_function_scope is not.
7484 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7486 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7487 emit_insn to emit eh_return_internal instruction.
7488 (eh_return_internal): Explicitly set pc.
7490 2006-10-11 Richard Guenther <rguenther@suse.de>
7492 PR tree-optimization/28230
7493 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7494 to the correct place.
7496 2006-10-11 Richard Guenther <rguenther@suse.de>
7499 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7502 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7504 * configure.ac: Added pdf to "Make-hooks"
7505 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7506 targets and *.pdf file patterns in cleanup targets.
7507 * configure: Regenerated.
7509 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7511 * config/avr/predicates.md: New file.
7512 * config/avr/avr.md: Include it.
7513 (REG_SP): New constant.
7514 (peepholes): Use predicates.
7515 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7516 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7517 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7519 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7521 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7524 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7527 * builtins.c (var_decl_component_p): New function.
7528 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7529 single entry optimization to variables and components thereof.
7531 2006-10-10 Richard Guenther <rguenther@suse.de>
7533 PR rtl-optimization/29323
7534 * except.c (set_nothrow_function_flags): For functions
7535 that do not bind local bail out early.
7537 2006-10-10 Ben Elliston <bje@au.ibm.com>
7539 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7542 2006-10-09 Richard Henderson <rth@redhat.com>
7544 Revert emutls patch.
7546 2006-10-09 Richard Guenther <rguenther@suse.de>
7549 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7552 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7555 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7556 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7557 * configure: Regenerate.
7558 * config.in: Regenerate.
7560 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7562 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7564 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7566 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7567 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7568 Remove stray newline.
7570 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7572 * config/mips/mips.c (mips_classify_symbol): Do not return
7573 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7574 (mips_in_small_data_p): Tweak comments.
7576 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7578 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7580 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7582 * gimplify.c, sched-int.h: Fix comment typos.
7584 * sched-int.h: Fix comment typos.
7586 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7588 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7590 * sched-ebb.c (begin_schedule_ready): Use them.
7591 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7592 add_to_speculative_block, create_check_block_twin, speculate_insn,
7593 fix_jump_move, move_block_after_check): Ditto.
7594 * sched-rgn.c (new_ready): Ditto.
7596 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7598 PR rtl-optimization/29128
7599 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7600 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7601 allow interblock movement of speculation checks.
7603 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7606 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7607 casted to integer type.
7608 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7609 if they are significantly more expensive than [reg + index] ones.
7611 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7613 PR tree-optimization/29330
7614 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7615 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7616 on newly allocated ddrs.
7617 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7618 to VEC (loop_p, heap) pointer.
7619 (compute_data_dependences_for_loop): Adjust caller.
7620 (free_dependence_relations): Free DDR_LOOP_NEST.
7622 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7623 free DEPENDENCE_RELATIONS and DATAREFS.
7626 * builtins.c (expand_builtin_sync_operation,
7627 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7628 Use convert_to_mode to handle promoted arguments.
7630 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7632 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7634 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7636 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7638 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7640 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7641 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7642 Use <modeconstraint> instead of "r" as operand 1 constraint.
7644 2006-10-06 Olivier Hainque <hainque@adacore.com>
7646 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7647 Don't recurse on the pointed-to type.
7648 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7649 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7650 types with components of variable size.
7652 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7654 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7656 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7658 PR tree-optimization/29290
7659 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7663 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7664 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7667 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7668 the number of vector elements fill the rest with zeros.
7670 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7672 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7673 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7676 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7678 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7679 unnamed pattern into subsi3. Use correct constraints/predicates.
7680 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7681 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7683 2006-10-05 Ira Rosen <irar@il.ibm.com>
7685 * doc/loop.texi: Add data references analysis description.
7687 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7689 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7691 2006-10-04 Richard Henderson <rth@redhat.com>
7692 Jakub Jelinek <jakub@redhat.com>
7694 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7695 * builtin-types.def (BT_WORD): Make unsigned.
7696 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7697 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7698 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7699 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7700 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7701 * cgraph.c (decide_is_variable_needed): Look at force_output.
7702 Recurse for emulated tls.
7703 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7704 checks redundant with decide_is_variable_needed.
7705 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7706 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7708 * expr.c (emutls_var_address): New.
7709 (expand_expr_real_1): Expand emulated tls.
7710 (expand_expr_addr_expr_1): Likewise.
7711 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7712 * output.h (emutls_finish): Declare.
7713 * toplev.c (compile_file): Call it.
7714 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7715 address before wrapping in CONST.
7716 * varasm.c (emutls_htab, emutls_object_type): New.
7717 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7718 (get_emutls_object_name, get_emutls_object_type): New.
7719 (get_emutls_init_templ_addr, emutls_decl): New.
7720 (emutls_common_1, emutls_finish): New.
7721 (assemble_variable): When emulating tls, swap decls; generate
7722 constructor for the emutls objects.
7723 (do_assemble_alias): When emulating tls, swap decl and target name.
7724 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7726 * emutls.c: New file.
7727 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7728 tls_object for real tls.
7730 2006-10-04 Zack Weinberg <zackw@panix.com>
7732 Fix bug in constraint-check generator, reported by Rask Ingemann
7734 * genpreds.c (add_constraint): Don't remove anything from the
7736 (write_tm_constrs_h): Detect whether "op" argument is used, and
7737 mark it ARG_UNUSED if it isn't.
7738 (write_insn_const_int_ok_for_constraint): Skip the part of the
7739 expression that would test whether "op" (which is not available
7740 here) is a CONST_INT.
7742 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7745 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7747 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7749 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7750 current Leopard versions.
7751 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7753 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7755 * doc/install.texi: Fix typos.
7757 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7759 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7760 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7761 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7763 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7765 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7766 arg to be struct mach_header_64* instead.
7768 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7771 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7772 side effects after the outer expression's post side effects.
7774 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7776 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7777 comments to reflect actual behavior and relationship between
7778 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7780 * doc/c-tree.texi (Working with declarations): Fix documentation
7781 of FIELD_DECL likewise.
7783 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7786 * doc/extend.texi: Add used variable attribute description.
7788 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7791 * c.opt (Woverride-init): New.
7792 * c-opts.c (c_common_post_options): Default warn_override_init to
7794 * c-typeck.c (add_pending_init, output_init_element): Warn for
7795 overriding initializers without side effects.
7796 * doc/invoke.texi (-Woverride-init): Document.
7799 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7801 PR rtl-optimization/28096
7802 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7803 assignment has already been used as a destination earlier in the block.
7805 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7807 * builtins.c (expand_builtin_setjmp): Delete.
7808 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7809 <BUILT_IN_SETJMP_SETUP>: New case.
7810 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7811 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7812 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7813 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7814 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7815 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7816 (lower_function_body): Initialize it to false. If it is set to true
7817 at the end of the processing, emit the setjmp dispatcher.
7818 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7819 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7820 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7821 on the rhs of the assignment.
7822 (lower_builtin_setjmp): New function.
7823 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7824 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7825 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7826 to detect calls that can go to non-local labels. Use specific
7827 helper to create the abnormal edges associated with them.
7828 <MODIFY_EXPR>: Likewise.
7829 (make_abnormal_goto_edges): New function extracted from...
7830 (make_goto_expr_edges): ...here. Call it for computed gotos.
7831 (simple_goto_p): Minor tweak.
7832 (tree_can_make_abnormal_goto): New predicate.
7833 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7834 (tree_purge_dead_abnormal_call_edges): New function.
7835 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7836 (tree_purge_dead_abnormal_call_edges): Likewise.
7837 (make_abnormal_goto_edges): Likewise.
7838 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7839 Purge all dead abnormal edges if the call was in the last statement.
7840 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7841 (execute_fixup_cfg): If there are non-local labels in the function,
7842 scan the basic blocks and split them at calls that can go to non-local
7843 labels or add missing abnormal call edges. Write down the CFG in the
7845 (pass_fixup_cfg): Remove TODO_dump_func flag.
7846 * unwind-sjlj.c: Poison setjmp.
7847 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7848 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7849 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7850 (DONT_USE_BUILTIN_SETJMP): Document it.
7852 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7855 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7856 to 1 when __ppc64__ is defined.
7857 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7859 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7861 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7863 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7864 * config/ia64/unwind-hpux.c: Delete.
7866 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7868 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7869 on the element before gimplifying it, instead of punting if it is of
7872 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7874 * doc/loop.texi: New file.
7875 * doc/gccint.texi: Reference loop.texi.
7876 * Makefile.in (loop.texi): Add.
7878 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7880 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7882 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7883 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7885 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7887 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7889 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7891 * doc/install.texi: Document required versions of GMP and MPFR.
7893 2006-09-27 Paul Brook <paul@codesourcery.com>
7896 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7898 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7900 * reload1.c (alter_reg): Require the alignment of the stack slot to
7901 be at least reg_max_ref_width bytes.
7902 (scan_paradoxical_subregs): Record the largest width in
7905 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7909 * tree-nested.c (struct nesting_info): Added static_chain_added.
7910 (convert_call_expr): Set static_chain_added when adding static
7911 chain. Handle OMP_PARALLEL and OMP_SECTION.
7913 2006-09-25 Matthias Klose <doko@debian.org>
7915 * doc/invoke.texi: Add missing full stop.
7917 2006-09-25 Richard Henderson <rth@redhat.com>
7919 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7920 before cgraph_function_flags_ready.
7922 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7923 Adam Nemet <anemet@caviumnetworks.com>
7925 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7926 determine_common_wider_type): New functions.
7927 (get_computation_aff): Use them to simplify arithmetic between
7928 UBASE and CBASE if they are shortened from the same type.
7930 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7933 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7934 -2147483647 - 1 instead of 0x80000000.
7936 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7938 * flags.h (HONOR_NANS): Fix typo in comment.
7940 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7942 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7944 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7948 * tree.c (merge_attributes, attribute_list_contained): If both
7949 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7951 * c-typeck.c (comptypes_internal): Don't consider aggregates
7952 in different TUs as compatible if there one set of attributes is
7953 not a subset of the other type's attributes.
7954 (composite_type): Try harder not to create a new aggregate type.
7956 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7958 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7959 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7960 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7961 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7962 than replicating condition above.
7963 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7965 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7966 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7967 the linker by default.
7969 2006-09-22 Mike Stump <mrs@apple.com>
7971 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7974 2006-09-22 Richard Guenther <rguenther@suse.de>
7977 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7978 sort of stack variables stable.
7980 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7983 * explow.c (force_reg): Set REG_POINTER flag according to
7986 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7988 PR tree-optimization/28888
7989 * tree-if-conv.c (combine_blocks): Rewritten.
7990 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7991 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7993 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7995 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7998 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8000 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8002 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8004 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8006 2006-09-21 Roger Sayle <roger@eyesopen.com>
8009 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8010 dw_fde_current_label, to be the start of the function, i.e. the same
8011 value as dw_fde_begin.
8013 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8015 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8016 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8017 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8018 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8019 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8020 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8021 (abs<mode>2, neg<mode>2): Likewise.
8022 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8023 (*mips_abs_ps): New define_insn.
8025 2006-09-20 Josh Conner <jconner@apple.com>
8028 * calls.c (expand_call): Allow reuse of structure return stack
8031 2006-09-20 Paul Brook <paul@codesourcery.com>
8033 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8036 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8038 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8039 clean up terminology.
8041 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8044 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8045 with tablejumps in them.
8047 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8050 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8051 wrap it into TARGET_EXPR.
8053 2006-09-20 Eric Christopher <echristo@apple.com>
8055 * config/i386/i386.c (x86_fisttp): Remove.
8056 * config/i386/i386.h (x86_fisttp): Ditto.
8057 (TARGET_FISTTP): Ditto.
8059 2006-09-19 Eric Christopher <echristo@apple.com>
8061 * doc/tm.texi (OBJC_JBLEN): Describe.
8062 * config/i386/darwin.h (OBJC_JBLEN): Define.
8063 * config/rs6000/darwin.h: Ditto.
8065 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8067 PR rtl-optimization/21299
8068 * reload1.c (reload): Purge invalid ASMs in the final pass.
8070 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8073 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8074 pointers as legitimate constants.
8076 2006-09-19 Paul Brook <paul@codesourcery.com>
8079 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8081 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8083 PR tree-optimization/28887
8084 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8085 component parts from the reference.
8086 (gather_memory_references_ref): Record the reference without the
8087 nonaddressable component parts.
8089 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8092 * c-opts.c (c_common_handle_option): Ignore the -std options
8093 if the input language is assembly.
8095 2006-09-17 Ira Rosen <irar@il.ibm.com>
8098 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8100 (ptr_ptr_may_alias_p): Likewise.
8101 (record_record_differ_p): New function.
8102 (base_object_differ_p): Call record_record_differ_p.
8104 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8107 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8108 away for the expr argument.
8110 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8113 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8114 before using it for dumping after vectorizing loops.
8116 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8117 Jack Howarth <howarth@bromo.med.uc.edu>
8120 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8121 skip on error_mark_node.
8122 (rs6000_darwin64_record_arg_recurse): Likewise.
8124 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8126 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8127 * doc/rtl.texi: Remove related documentation.
8129 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8131 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8134 2006-09-15 Jim Wilson <wilson@specifix.com>
8136 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8137 Handle symbol offsets same as they are handled in ia64_expand_move
8140 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8142 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8143 Add forgotten parameter to the fprintf call.
8145 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8147 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8149 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8151 * doc/contrib.texi: Add my entry.
8153 2006-09-15 Nick Clifton <nickc@redhat.com>
8155 * doc/md.texi (Processor pipeline description): Fix typo in
8156 example of how to use the absence_set directive and reword the
8157 description to make it slightly easier to read.
8159 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8161 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8162 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8163 expanding the number of iterations.
8164 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8166 * cfgrtl.c (emit_insn_at_entry): New function.
8167 * rtl.h (emit_insn_at_entry): Declare it.
8168 * integrate.c (emit_initial_value_sets): Use it.
8170 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8172 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8174 (struct loop_work and related VEC declarations): Delete.
8175 (bfin_dump_loops): Print out new member bad.
8176 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8177 (bfin_scan_loop): Don't recurse.
8178 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8179 loops. No longer need to update outer loops if the current one is
8180 found bad. Move some validitiy checks to bfin_discover_loop.
8181 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8182 but changed not to check for nesting. Also changed to use the new bad
8184 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8185 time. Use bitmap based test to discover loop nesting.
8187 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8189 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8192 2006-09-14 Richard Guenther <rguenther@suse.de>
8193 Kazu Hirata <kazu@codesourcery.com>
8195 PR middle-end/28884.
8196 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8197 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8198 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8199 with TARGET_FUNCTION_VALUE.
8201 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8204 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8206 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8208 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8211 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8214 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8217 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8219 * basic_block.h (bb_has_eh_pred): Fix comment.
8221 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8223 * flow.c (calculate_global_regs_live): Invalidate eh registers
8224 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8225 (propagate_block): Handle eh registers as if they were set at basic
8227 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8229 * global.c (global_conflicts): Make eh registers to conflict with
8230 pseudos live at basic block begin.
8231 * basic_block.h (bb_has_eh_pred): New function.
8233 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8235 PR rtl-optimization/28982
8236 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8237 index of a PRE_MODIFY or POST_MODIFY address.
8238 * reload1.c (inc_for_reload): Use find_replacement on the original
8239 base and index registers.
8241 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8243 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8244 for -Os. Update __m128 alignment requirement.
8246 2006-09-13 Jan Hubicka <jh@suse.cz>
8248 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8250 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8252 PR rtl-optimization/28243
8253 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8254 the insn to which the note was originally attached.
8256 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8257 Roger Sayle <roger@eyesopen.com>
8259 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8260 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8261 on platforms that don't use dwarf for debug info.
8263 2006-09-12 Jason Merrill <jason@redhat.com>
8266 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8267 hard_frame_pointer_rtx after using it to update the frame pointer.
8269 2006-09-12 Roger Sayle <roger@eyesopen.com>
8271 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8272 (TARGET_ASM_CLOSE_PAREN): Likewise.
8273 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8274 (TARGET_ASM_CLOSE_PAREN): Likewise.
8276 2006-09-12 Roger Sayle <roger@eyesopen.com>
8279 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8280 frame information for frames larger than 512 Kbytes on Tru64 when
8281 using the native assembler.
8283 2006-09-12 Roger Sayle <roger@eyesopen.com>
8287 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8288 and symbols. Instead use the implementation from cse.c's hash_rtx.
8290 2006-09-12 Jan Hubicka <jh@suse.cz>
8292 PR rtl-optimization/28071
8293 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8294 (vect_transform_loop): Likewise.
8295 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8296 (new_loop_vec_info): Likewise.
8297 (destroy_loop_vec_info): Likewise.
8298 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8299 (create_stmt_ann): Likewise.
8300 (create_tree_ann): Rename to ...
8301 (create_tree_common_ann): ... this one; allocate only the common part
8303 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8304 (get_value_handle): Likewise.
8305 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8306 get_tree_common_ann.
8307 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8308 (vinfo_for_stmt): Use stmt annotations.
8309 * tree-flow.h (tree_ann_common_t): New type.
8310 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8311 (tree_ann, get_tree_ann, create_tree_ann): New.
8312 * tree-flow-inline.h (get_function_ann): Do more type checking.
8313 (stmt_ann): Likewise.
8314 (tree_ann): Rename to ...
8315 (tree_common_ann): ... this one; return ony common_ann
8316 (get_tree_ann): Rename to ...
8317 (tree_common_ann): This one; return only common_ann.
8318 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8321 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8323 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8324 with_cpu by default.
8326 * dwarf2out.c (dwarf_file_data): New.
8327 (enum dw_val_class): Add dw_val_class_file.
8328 (struct dw_val_struct): Add val_file.
8329 (file_table): Change to a hash table.
8330 (file_table_emitted): Delete.
8331 (file_table_last_lookup_index): Delete.
8332 (emitcount): Delete.
8333 (last_emitted_file): New.
8334 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8335 (init_file_table): Delete.
8336 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8337 (AT_addr): Add comment.
8341 (print_die): Handle dw_val_class_file.
8342 (print_dwarf_line_table): Update for new file table structure.
8343 (attr_checksum): Do checksum a filename.
8344 (same_dw_val_p, same_attr_p): Do compare a filename.
8345 (size_of_die): Handle dw_val_class_file.
8346 (value_format): Likewise.
8347 (output_die): Likewise. Also, call maybe_emit_file here.
8348 (struct file_info): Constify filenames. Make file_idx a pointer
8349 to a struct dwarf_file_data.
8350 (struct dir_info): Constify directory names. Remove 'used' field.
8351 (struct file_name_acquire_data): New.
8352 (file_name_acquire): New.
8353 (output_file_names): Modify to handle new file data structures.
8354 (add_src_coords_attributes): Use add_AT_file.
8355 (add_call_src_coords_attributes): Likewise.
8356 (dwarf2out_imported_module_or_decl): Likewise.
8357 (gen_subprogram_die): Modify for new file data structures.
8358 (gen_variable_die): Likewise.
8359 (file_table_eq): New.
8360 (file_table_hash): New.
8361 (file_table_last_lookup): New.
8362 (lookup_filename): Rewrite to handle new file data structures.
8363 (maybe_emit_file): Rewrite to handle new file data structures.
8364 (dwarf2out_source_line): Always call lookup_filename and
8366 (dwarf2out_init): Create file_table here.
8367 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8368 (file_table_relative_p): New.
8369 (dwarf2out_finish): Change detection of relative filenames
8370 to work with new file data structures. Move output_line_info call
8371 after debug_info output.
8373 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8378 * config/i386/i386.c (override_options): Always default to 16
8379 byte stack boundary.
8381 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8384 * var-tracking.c (dump_dataflow_set): Start dumping at
8386 (clobber_variable_part): Kill only the variable part in
8387 registers holding it, leaving other variables alone.
8389 2006-09-11 Josh Triplett <josh@freedesktop.org>
8391 * doc/extend.texi (Other Builtins): Actually use the macro
8392 argument in the documentation example for
8393 __builtin_types_compatible_p.
8395 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8397 PR rtl-optimization/28726
8398 * sched-deps.c (sched_analyze_reg): New function extracted from...
8399 (sched_analyze_1): ...here. Call it to analyze references to
8400 registers. Treat again writes to a stack register as writing to the
8402 (sched_analyze_2): ...and here. Call it to analyze references to
8403 registers. Treat again reads of a stack register as reading the
8406 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8407 David Edelsohn <edelsohn@gnu.org>
8410 * config/rs6000/spe.md (frob_df_di): Remove %H.
8411 (frob_di_df): Remove %H. Change evmergelo to mr.
8412 (frob_di_df_2): Remove %H. Change evldd to two loads.
8414 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8416 * doc/cpp.texi: Fix names of charset options.
8418 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8421 * config/i386/i386.c (override_options): Use 128-bit
8422 stack boundary always for 64bits.
8424 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8426 PR rtl-optimization/28636
8427 * combine.c (force_to_mode): Test for side-effects before
8428 substituting by zero.
8429 (simplify_shift_const): Likewise for zero or other constants.
8431 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8434 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8437 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8440 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8441 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8442 returned by mode_for_size, rather than the mode of src itself,
8443 to choose between 32-bit and 64-bit patterns.
8444 (mips_mem_fits_mode_p): New function.
8445 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8446 that the size of the source matches the size of the destination.
8447 (mov_<store>l, mov_<store>r): Likewise.
8449 2006-09-10 Eric Christopher <echristo@apple.com>
8451 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8454 2006-09-09 Eric Christopher <echristo@apple.com>
8457 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8460 2006-09-09 Roger Sayle <roger@eyesopen.com>
8461 Nicolas Setton <setton@adacore.com>
8463 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8465 2006-09-10 Andreas Schwab <schwab@suse.de>
8467 * config/m68k/m68k.md (bungt_rev): New pattern.
8469 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8470 Dale Johannesen <dalej@apple.com>
8473 * regclass.c (struct reg_pref): Update documentation.
8474 (regclass): Set prefclass to NO_REGS if memory is the best option.
8475 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8477 2006-09-08 Eric Christopher <echristo@apple.com>
8479 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8480 * config/t-slibgcc-darwin: Support x86_64 multilib.
8481 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8482 Return 1 for x86_64-darwin.
8483 * config/i386/t-darwin: Add m64 multilib.
8484 (LIB2_SIDITI_CONV_FUNCS): Use.
8485 (LIB2FUNCS_EXTRA): Ditto.
8486 * config/i386/darwin.h: Support x86_64.
8487 * config/i386/i386.c (override_options): Turn on flag_pic
8488 for x86_64-darwin. Disable flag_omit_pointer.
8489 (get_pc_thunk_name): Assert !TARGET_64BIT.
8490 (legitimate_address_p): Disable machopic addressing for
8492 (legitimize_pic_address): Ditto.
8493 (ix86_expand_move): Ditto.
8494 (ix86_expand_call): Ditto.
8495 (machopic_output_stub): Ditto.
8496 * config/darwin.c (machopic_select_section): Support literal16.
8497 (machopic_select_rtx_section): Ditto.
8498 * config/darwin-sections.def: Ditto.
8499 * config/darwin-64.c: New.
8501 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8504 * c-tree.h (struct c_arg_info): Add pending_sizes.
8505 * c-parser.c (c_parser_parms_declarator,
8506 c_parser_parms_list_declarator): Initialize pending_sizes.
8507 * c-decl.c (get_parm_info): Initialize pending_sizes.
8508 (get_parm_info): Set pending_sizes.
8509 (grokdeclarator): Call put_pending_sizes for parameters for
8510 function definition only.
8512 2006-09-07 Jason Merrill <jason@redhat.com>
8515 * varasm.c (output_constant): Only strip actual no-op conversions.
8518 * config/i386/i386.c (override_options): Use 128-bit
8519 stack boundary if -msse.
8521 2006-09-07 Eric Christopher <echristo@apple.com>
8523 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8525 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8528 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8530 * dwarf2out.c: Remove strange characters from comment above
8531 dwarf2out_frame_debug_expr.
8533 2006-09-07 Eric Christopher <echristo@apple.com>
8535 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8536 * config/darwin.h: ... to here.
8538 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8540 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8542 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8543 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8545 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8546 TARGET_PARTIAL_FLAG_REG_STALL.
8547 (*ashldi3_cconly_rex64): Likewise.
8548 (*ashlsi3_cmp): Likewise.
8549 (*ashlsi3_cconly): Likewise.
8550 (*ashlsi3_cmp_zext): Likewise.
8551 (*ashlhi3_cmp): Likewise.
8552 (*ashlhi3_cconly): Likewise.
8553 (*ashlqi3_cmp): Likewise.
8554 (*ashlqi3_cconly): Likewise.
8555 (*ashrdi3_cmp_rex64): Likewise.
8556 (*ashrdi3_cconly_rex64): Likewise.
8557 (*ashrsi3_cmp): Likewise.
8558 (*ashrsi3_cconly): Likewise.
8559 (*ashrsi3_cmp_zext): Likewise.
8560 (*ashrhi3_cmp): Likewise.
8561 (*ashrhi3_cconly): Likewise.
8562 (*ashrqi3_cmp): Likewise.
8563 (*ashrqi3_cconly): Likewise.
8564 (*lshrdi3_cmp_rex64): Likewise.
8565 (*lshrdi3_cconly_rex64): Likewise.
8566 (*lshrsi3_cmp): Likewise.
8567 (*lshrsi3_cconly): Likewise.
8568 (*lshrsi3_cmp_zext): Likewise.
8569 (*lshrhi3_cmp): Likewise.
8570 (*lshrhi3_cconly): Likewise.
8571 (*lshrqi2_cmp): Likewise.
8572 (*lshrqi2_cconly): Likewise.
8574 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8577 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8578 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8579 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8580 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8581 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8582 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8583 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8584 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8585 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8586 implement only CC setting effects of shift instructions.
8588 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8590 * doc/contrib.texi: Add myself.
8592 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8595 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8596 was set by the user.
8598 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8601 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8602 (divsi_inv_m1): Use them.
8603 (UNSPEC_DIV_INV_TABLE): New constant.
8605 2006-09-06 James E Wilson <wilson@specifix.com>
8608 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8609 then call count_or_remove_death_notes.
8611 2006-09-06 Jason Merrill <jason@redhat.com>
8614 * tree-inline.c (copy_result_decl_to_var): New fn.
8615 (declare_return_variable): Use it. Call declare_inline_vars here.
8616 (expand_call_inline): Not here.
8618 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8620 * doc/contrib.texi: Update my entry.
8622 2006-09-06 Nick Clifton <nickc@redhat.com>
8624 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8626 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8629 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8630 (canonicalize_induction_variables): Likewise.
8631 (tree_unroll_loops_completely): Likewise.
8632 (tree_ssa_prefetch_arrays): Likewise.
8633 (remove_empty_loops): Likewise.
8634 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8635 TODO_cleanup_cfg instead of directly calling
8636 cleanup_tree_cfg_loop.
8637 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8639 (tree_unroll_loops_completely): Likewise.
8640 (remove_empty_loops): Likewise.
8641 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8642 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8643 of tree_ssa_unswitch_loops.
8644 (tree_ssa_loop_ivcanon): Use the return value of
8645 canonicalize_induction_variables.
8646 (tree_ssa_empty_loop): Use the return value of
8648 (tree_complete_unroll): Use the return value of
8649 tree_unroll_loops_completely.
8650 (tree_ssa_loop_prefetch): Use the return value of
8651 tree_ssa_prefetch_arrays.
8652 * passes.c (execute_todo): Before Cleanup CFG, set
8653 updating_used_alone and after cleanup CFG, call
8654 recalculate_used_alone.
8656 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8659 * tree-vect-transform.c (vectorizable_condition): Move the check
8660 for the type after the check for simple condition.
8662 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8663 Kaz Kojima <kkojima@gcc.gnu.org>
8666 * mode-switching.c (optimize_mode_switching): Make the destination
8667 block of an abnormal edge have no anticipatable mode. Don't
8668 insert mode switching code at the end of the source block of
8671 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8673 PR rtl-optimization/26847
8674 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8675 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8676 (simplify_plus_minus): Count n_constants while filling ops. Replace
8677 qsort with insertion sort. Before going through the array to simplify
8678 pairs, sort it. Delay early exit until after the first sort, exiting
8679 only if no swaps occurred. Simplify pairs in reversed order, without
8680 special-casing the first iteration. Pack ops after simplifying pairs.
8682 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8684 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8685 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8686 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8687 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8689 2006-09-05 Richard Guenther <rguenther@suse.de>
8691 PR tree-optimization/28900
8692 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8693 compound conditional before creating COND_EXPR condition.
8695 2006-09-05 Richard Guenther <rguenther@suse.de>
8697 PR tree-optimization/28905
8698 * tree-vrp.c (fix_equivalence_set): Manually implement
8699 !value_ranges_intersect_p to also handle symbolic ranges.
8701 2006-09-05 Richard Guenther <rguenther@suse.de>
8704 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8707 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8709 PR rtl-optimization/27616
8710 * cse.c (table_size): New static variable.
8711 (new_basic_block): Initialize it to 0.
8712 (remove_from_table): Decrement it.
8713 (insert): Increment it.
8714 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8715 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8716 fold_rtx_mem_1 if under the cap.
8717 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8718 the lookup of the equivalent expression and test for equality of the
8719 first operand of the equivalent expression before in turn looking up
8720 an equivalent constant for the second operand.
8722 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8725 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8726 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8727 pointer, instead of assuming it is possible to derive the
8728 correct args size from a call insn.
8730 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8733 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8734 (fold_builtin_mempcpy): Rename to...
8735 (fold_builtin_memory_op): ... this. Optimize one element copy
8737 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8739 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8740 (expand_builtin_memcpy, expand_builtin_mempcpy,
8741 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8742 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8743 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8744 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8746 2006-09-01 DJ Delorie <dj@redhat.com>
8748 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8749 (stzx_16): Likewise.
8750 ("stzx_24_<mode>"): Likewise.
8751 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8752 ("cmp<mode>_op"): New.
8753 (cmp<mode>): Change to expander; just save operands.
8755 (b<code>): Change to expander, emit compare here.
8756 (s<code>_op): Change to use split and expander.
8757 (s<code>_24_op): Likewise.
8758 (s<code>_<mode>): New.
8759 (s<code>_<mode>_24): New.
8760 (movqicc_<code>_<mode): New.
8761 (movhicc_<code>_<mode>): New.
8764 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8765 (m32c_pend_compare): New.
8766 (m32c_unpend_compare): New.
8767 (m32c_expand_scc): New.
8768 (m32c_expand_movcc): Emit the compare also.
8769 * config/m32c/predicates.md (mra_nopp_operand): New.
8771 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8772 Richard Guenther <rguenther@suse.de>
8773 Adam Nemet <anemet@caviumnetworks.com>
8776 * builtins.c (get_pointer_alignment): Handle more forms
8777 of base addresses that can be used to derive more precise
8778 information about alignment.
8780 2006-09-01 Jason Merrill <jason@redhat.com>
8783 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8786 * gimplify.c (voidify_wrapper_expr): Handle null type.
8788 2006-09-01 Josh Conner <jconner@apple.com>
8791 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8792 (execute_return_slot_opt): Use it.
8794 2006-08-31 Josh Conner <jconner@apple.com>
8797 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8798 returning aggregates.
8800 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8802 PR tree-optimization/28839
8803 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8804 blocks in that phi arguments appear.
8806 2006-08-31 Roger Sayle <roger@eyesopen.com>
8809 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8810 NULL, otherwise use an advance_loc4 to adjust relative to the
8812 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8813 (dwarf2out_switch_text_section): Reset the current label to avoid
8814 using advance_loc4 over section boundaries.
8816 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8819 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8820 r12 + SYMBOLIC_CONST.
8822 2006-08-30 Richard Guenther <rguenther@suse.de>
8824 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8826 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8828 PR rtl-optimization/27735
8829 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8830 Add new argument to keep track of whether an irreducible region
8831 was affected. All callers changed.
8832 (fix_irreducible_loops): Removed.
8833 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8834 flags were invalidated.
8836 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8838 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8839 instead of SF operands.
8840 (*fop_df_comm_sse): Likewise.
8841 (*fop_df_comm_i387): Likewise.
8842 (*fop_df_1_mixed): Likewise.
8843 (*fop_df_1_sse): Likewise.
8845 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8846 J"orn Rennecke <joern.rennecke@st.com>
8848 PR tree-optimization/17506
8849 * tree-ssa.c (warn_uninit): If warning about a location outside of
8850 the current function, note where the variable was declared.
8852 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8854 PR tree-optimization/28411
8855 * double-int.c (double_int_div): Use double_int_divmod.
8856 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8857 double_int_mod, double_int_smod, double_int_umod): New functions.
8858 * double-int.h (double_int_divmod, double_int_sdivmod,
8859 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8861 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8863 (get_computation_aff, get_computation_cost_at): Handle double_int
8864 return type of constant_multiple_of.
8866 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8869 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8870 an implicit conversion.
8872 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8874 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8876 2006-08-27 Roger Sayle <roger@eyesopen.com>
8878 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8881 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8883 * config/i386/crtfastmath.c: Fix a comment typo.
8885 2006-08-26 Roger Sayle <roger@eyesopen.com>
8887 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8888 temporary visit flags on CASE_LABEL_EXPRs.
8889 * c-common.c (match_case_to_enum): Add function comment. Avoid
8890 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8891 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8892 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8893 a constant, only warn if that constant value isn't handled.
8895 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8898 * input.h (restore_input_file_stack): Declare.
8899 (INPUT_FILE_STACK_BITS): Define.
8900 * toplev.c (fs_p, input_file_stack_history,
8901 input_file_stack_restored, restore_input_file_stack): New.
8902 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8903 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8904 (pop_srcloc): Don't free old state of stack.
8906 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8909 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8910 (PowerPC Type Attributes): New.
8912 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8914 * config/xtensa/xtensa.c (function_arg_boundary): New.
8915 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8917 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8918 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8920 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8923 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8926 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8928 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8929 (verify_local_live_at_start): Likewise.
8931 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8934 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8935 omp_add_variable): Treat sizes as variable whenever not
8938 2006-08-26 Richard Guenther <rguenther@suse.de>
8941 * fold-const.c (fold_binary): Fold temporary to correct
8942 type before constructing new comparison.
8944 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8947 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8948 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8950 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8953 * c-decl.c (start_function): Don't try to process prototype
8954 information from old declaration that isn't a function.
8956 2006-08-25 Jan Hubicka <jh@suse.cz>
8959 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8961 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8964 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8967 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8969 PR tree-optimization/16876
8970 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8971 exit if PARM doesn't match VALUE.
8973 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8975 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8976 literal_prefix directive.
8977 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8978 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8979 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8981 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8984 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8985 predicate to general_operand. Add 0->y and I->r alternatives.
8987 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8989 * doc/tm.texi: Fix a typo.
8990 * predict.c: Fix comment typos.
8992 2006-08-25 Nick Clifton <nickc@redhat.com>
8994 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8995 assertions of "cpu" and "machine".
8997 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9000 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9001 the access through a base which has an alias set of 0 cannot
9004 2006-08-24 Bill Wendling <wendling@apple.com>
9006 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9008 2006-08-24 Jan Hubicka <jh@suse.cz>
9010 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9012 2006-08-24 Jan Hubicka <jh@suse.cz>
9015 * cgraph.c: Fix comments.
9016 (cgraph_varpool_mark_needed_node): Mark only variables not already
9018 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9019 (cgraph_varpool_assembled_nodes_queue): New static variable.
9020 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9021 (cgraph_varpool_output_debug_info): New function.
9022 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9023 * Makefile.in: Add gt-cgraphunit.h
9025 2006-08-24 Jan Hubicka <jh@suse.cz>
9027 * predict.c (probability_reliable_p): New predicate.
9028 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9029 (predict_loops): Do not predict loop exit with less than 2%
9031 * basic-block.h (edge_probability_reliable_p,
9032 br_prob_note_reliable_p): Declare.
9033 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9034 prediction when static predictor is not reliable.
9035 * rs6000.c (output_cbranch): Likewise.
9037 2006-08-23 Stuart Hastings <stuart@apple.com>
9040 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9041 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9043 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9046 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9047 complex values, nor for generic vector values.
9049 2006-08-22 Richard Guenther <rguenther@suse.de>
9052 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9053 parameter. Convert arguments to arithmetic expression to the
9055 (analyze_scalar_evolution_1): Adjust caller.
9057 2006-08-22 Jan Hubicka <jh@suse.cz>
9059 Patch by Paolo Bonzini
9060 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9063 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9065 PR tree-optimization/28003
9066 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9067 before grouping aliases.
9069 2006-08-22 Roger Sayle <roger@eyesopen.com>
9071 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9072 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9074 2006-08-21 Jason Merrill <jason@redhat.com>
9077 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9078 wrapper. Loop to handle nested wrappers.
9079 (gimplify_bind_expr): Remove temp parameter.
9080 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9081 and STATEMENT_LIST on the rhs.
9082 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9083 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9084 (gimplify_target_expr): Remove special BIND_EXPR handling.
9086 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9088 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9091 2006-08-21 Olivier Hainque <hainque@adacore.com>
9093 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9094 Arrange for the temporary captures of components overlapping the lhs
9095 to happen before the lhs is possibly cleared.
9097 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9099 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9100 necessary places to pass the correct "number of registers" values
9103 2006-08-20 Jan Hubicka <jh@suse.cz>
9105 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9106 (create_name_tags): Instead of quadratic checking use hashtable.
9107 * bitmap.h: Include hashtab.h.
9108 (bitmap_hash): Declare.
9109 * bitmap.c (bitmap_hash): New function.
9111 2006-08-20 Jan Hubicka <jh@suse.cz>
9113 PR rtl-optimization/28071
9114 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9116 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9117 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9118 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9119 cgraph_decide_inlining_incrementally): Update use of
9120 cgraph_check_inline_limits.
9121 * cgraph.c (edge_hash, edge_eq): New function.
9122 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9123 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9124 cgraph_remove_node): Maintain call site hash.
9125 * cgraph.h (struct cgraph_node): Add call_site_hash.
9126 (cgraph_set_call_stmt): New function.
9128 2006-08-20 Jan Hubicka <jh@suse.cz>
9130 PR rtl-optimization/28071
9131 * reload1.c (reg_has_output_reload): Turn into regset.
9132 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9133 choose_reload_regs, emit_reload_insns): Update to new
9134 reg_has_output_reload.
9136 2006-08-20 Jan Hubicka <jh@suse.cz>
9139 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9140 function body sizes.
9141 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9143 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9146 * tree.c (handle_dll_attribute): Return early if not a
9147 var or function decl.
9149 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9152 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9153 alignment of SPE vector types.
9155 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9157 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9159 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9162 * cgraph.h (struct cgraph_node): Remove externally_visible
9164 * cgraphunit.c (process_function_and_variable_attributes): Set
9165 local.externally_visible rather than externally_visible.
9168 * c-common.c (handle_externally_visible_attribute): First look
9169 at TREE_CODE and only if it is function or var decl, check for
9170 non-public objects. Don't warn for DECL_EXTERNAL.
9171 * cgraphunit.c (process_function_and_variable_attributes): Warn
9172 if externally_visible attribute is used on non-public object.
9174 2006-08-17 Jan Hubicka <jh@suse.cz>
9176 PR tree-optimization/27865
9177 * reload1.c (forget_marked_reloads): New function.
9178 (forget_old_reloads_1): When data are passed, just mark the registers
9180 (reload_as_needed): Use the new mechanizm.
9182 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9185 * reload.h (reg_equiv_alt_mem_list): New declaration.
9186 * reload1.c (reg_equiv_alt_mem_list): New definition.
9187 (reload): Initialize it and release it.
9188 (delete_output_reload): Use it.
9189 * reload.c (push_reg_equiv_alt_mem): New function.
9190 (find_reloads_toplev): Call it.
9191 (find_reloads_address, find_reloads_address_1): Likewise.
9192 (find_reloads_subreg_address): Likewise.
9194 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9196 PR rtl-optimization/28489
9197 * sched-ebb.c (begin_schedule_ready): Create basic block
9199 (advance_target_bb): Skip empty blocks.
9200 * haifa-sched.c (bb_note): Make global.
9201 * sched-int.h (bb_note): Add prototype.
9203 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9205 PR tree-optimization/27865
9206 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9208 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9209 fold_used_pointer, pointer_used_p): New functions.
9210 (analyze_scalar_evolution_1): Use fold_used_pointer.
9211 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9212 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9215 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9218 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9219 or the INTEGER_CST. Fail on a CALL_EXPR.
9220 (fold_offsetof): Pass new argument to fold_offsetof_1.
9221 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9222 operand into an INDIRECT_REF.
9223 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9225 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9227 PR gcov/profile/26570
9228 * value-prof.c (static_values): Removed.
9229 (tree_find_values_to_profile): Do not set static_values.
9230 (find_values_to_profile): Do not free static_values.
9231 * profile.c (instrument_values): Do not free the values.
9232 (branch_prob): Free the values.
9234 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9236 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9238 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9241 * c-typeck.c (build_component_ref): Combine qualifiers of
9242 structure or union and field.
9244 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9246 PR rtl-optimization/28071
9247 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9248 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9249 * tree-into-ssa.c (struct dom_dfsnum): New.
9250 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9252 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9253 compute_global_livein.
9254 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9255 in phi nodes in the correct blocks.
9257 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9259 PR tree-optimization/28364
9260 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9262 (fold_affine_expr): New function.
9263 (may_eliminate_iv): Use fold_affine_expr.
9265 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9268 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9271 2006-08-16 Mike Stump <mrs@apple.com>
9273 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9274 * doc/cppopts.texi (-MD): Likewise.
9276 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9279 * c-common.c (handle_weak_attribute): Ignore and warn if
9280 not a FUNCTION_ or VAR_DECL.
9282 2006-07-15 Mike Stump <mrs@apple.com>
9285 * c-parser.c (c_parser_typeof_specifier): Don't use
9286 c_finish_expr_stmt, open code desired semantics instead.
9288 2006-08-15 Nick Clifton <nickc@redhat.com>
9290 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9291 fragment to tmake_file only if threads are enabled.
9292 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9293 * config/i386/t-gthr-win32: New file. ... here.
9295 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9298 * c-parser.c (c_parser_compound_statement_nostart): Reset
9299 parser->error after each statement.
9301 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9304 * omp-low.c (lower_omp_parallel): Convert t to
9305 receiver_decl's type.
9306 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9307 source before comparison.
9310 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9311 to itype in assignment to oldival2.
9313 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9317 * c-typeck.c (build_compound_expr): If the second expression
9318 is an error mark, then just return an error mark instead of
9319 creating a COMPOUND_EXPR.
9321 2006-07-14 Mike Stump <mrs@apple.com>
9323 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9325 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9327 * c-decl.c, var-tracking.c: Fix comment typos.
9329 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9331 PR rtl-optimization/28634
9332 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9333 for floating-point modes unless flag_unsafe_math_optimizations.
9335 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9336 Andrew Pinski <pinskia@physics.uc.edu>
9339 * tree.c (build_array_type): Unify array types with
9340 unspecified index_type.
9341 * c-decl.c (grokdeclarator): Make sure we do not modify a
9342 unified incomplete array type.
9343 * c-typeck.c (store_init_value): Create distinct type before
9344 filling in the index type in an initializer from a compound
9347 * c-decl.c (grokdeclarator): Remove code where we copy the
9350 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9352 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9353 into account for TODO_dump_cgraph.
9354 (TODO_update_ssa_no_phi): Likewise.
9355 (TODO_update_ssa_full_phi): Likewise.
9356 (TODO_update_ssa_only_virtuals): Likewise.
9357 (TODO_remove_unused_locals): Likewise.
9358 (TODO_set_props): Likewise.
9359 (TODO_update_stmt_usage): Likewise.
9361 2006-08-13 Dirk Mueller <dmueller@suse.de>
9363 * c-common.c (strict_aliasing_warning): Fix formatting.
9365 2006-08-13 Matthias Klose <doko@debian.org>
9367 * doc/invoke.texi: Fix spelling errors.
9369 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9371 PR rtl-optimization/23454
9372 * reorg.c (relax_delay_slots): Update comment.
9374 2006-08-11 Richard Guenther <rguenther@suse.de>
9377 * simplify-rtx.c (simplify_const_relational_operation):
9378 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9381 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9383 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9384 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9386 2006-08-10 Paul Brook <paul@codesourcery.com>
9388 * final.c (final_scan_insn): Clear current_insn_predicate before
9389 outputting inline asm.
9391 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9393 PR tree-optimization/26197
9394 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9395 get_ref_base_and_extent and overlap_subvar to add only relevant
9396 subvars as may-aliases.
9397 (add_may_alias_for_new_tag): New function, factored out of
9399 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9400 with additional argument.
9401 * tree-flow.h (new_type_alias): Takes additional argument.
9403 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9405 * gcov.c (no_data_file): New flag.
9406 (read_count_file): Set it if data file not present. Assume counts
9408 (output_lines): Don't name the data file, if there wasn't one.
9410 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9412 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9413 (rs6000_generate_compare): Tweak comments.
9414 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9416 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9418 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9419 (var_debug_decl): New function.
9420 (var_reg_set): Follow debug decl link. Add location even if
9421 reg is already known to hold some other variable.
9422 (var_mem_set): Follow debug decl link.
9423 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9424 decl link. Delete other known locations of the variable part
9426 (var_reg_delete, var_mem_delete): Delete other known locations
9427 of the variable part if requested.
9428 (same_variable_part_p): New function.
9429 (add_stores): Select MO_COPY when appropriate.
9430 (vt_initialize): Handle it.
9431 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9432 known locations for MO_SET and MO_CLOBBER.
9433 (find_variable_location_part): New function.
9434 (set_variable_part, delete_variable_part): Use it.
9435 (clobber_variable_part): New function.
9436 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9439 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9441 PR tree-optimization/26969
9442 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9443 with an empty list of PHIs.
9445 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9449 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9452 2006-08-06 Andreas Schwab <schwab@suse.de>
9454 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9455 string. Whitespace and comment fixup.
9457 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9460 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9464 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9467 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9469 2006-08-04 Jan Hubicka <jh@suse.cz>
9473 * reload.c (push_reload): Patch out the mismatching instruction;
9475 (find_reload): Bail out if the instruction was patched out.
9477 2006-08-04 Jan Hubicka <jh@suse.cz>
9479 PR tree-optimization/24888
9480 * tree-inline.c (expand_call_inline): Do not re-record variables.
9481 (declare_inline_vars): Add variable to unexpanded_var_list.
9483 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9484 Roger Sayle <roger@eyesopen.com>
9486 PR rtl-optimization/26244
9487 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9488 inner_const are negative or greater than or equal to the bitsize of
9489 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9490 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9491 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9492 CONST0_RTX (mode) when the new shift count is greater than or equal to
9493 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9496 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9498 * tree-cfg.c: Fix a comment typo.
9500 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9503 * varasm.c (output_constant): Give the front end another chance to
9504 expand constants, after stripping NOPs.
9506 2006-08-03 Jan Hubicka <jh@suse.cz>
9508 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9511 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9513 PR tree-optimization/27770
9514 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9515 declaration removed (moved to tree-flow.h).
9516 (vect_can_force_dr_alignment_p): Likewise.
9517 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9518 (moved from tree-vectorizer.h).
9519 (vect_can_force_dr_alignment_p): Likewise.
9520 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9521 from outside the vectorizer - in particular from cgraph stage.
9522 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9523 the alignment of global arrays when -fsection-anchors is enabled.
9524 * cgraphunit.c (cgraph_increase_alignment): New function.
9525 (cgraph_optimize): Call cgraph_increase_alignment.
9527 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9530 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9531 not reload a SPE symbol_ref into a lo_sum address.
9533 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9536 * dwarf2out.c (prune_unused_types_prune): Move call to
9537 prune_unused_types_update_strings to cover the parent DIE also.
9539 2006-08-02 Jan Hubicka <jh@suse.cz>
9541 PR gcov/profile/28480
9542 * tree-cfg.c (change_bb_for_stmt): New function.
9543 (tree_merge_blocks, tree_split_blocks): Use it.
9545 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9551 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9552 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9553 (cgraph_optimize): Likewise.
9555 2006-08-01 Stuart Hastings <stuart@apple.com>
9557 * rtl.h (UINTVAL) New.
9558 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9559 * testsuite/gcc.dg/20060801-1.c: New.
9561 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9564 * c-typeck.c (build_external_type): Mark used enum types.
9565 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9567 (gen_subprogram_die): Whitespace fix.
9569 2006-08-01 Jan Hubicka <jh@suse.cz>
9571 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9572 bitmap when not needed.
9573 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9576 2006-08-01 Dirk Mueller <dmueller@suse.de>
9578 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9580 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9582 * Makefile.in: Revert part of previous patch:
9583 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9586 2006-07-30 Eric Christopher <echristo@apple.com>
9589 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9590 (PowerPC Variable Attributes): New section.
9592 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9594 PR target/28126 (partial fix)
9595 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9597 2006-07-28 Jan Hubicka <jh@suse.cz>
9599 PR rtl-optimization/28071
9600 * cfgrtl.c (rtl_delete_block): Free regsets.
9601 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9603 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9605 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9606 and variables used in dependencies.
9608 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9610 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9611 %fs for -mcmodel=kernel.
9612 (stack_tls_protect_test_di): Likewise.
9614 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9616 * Makefile.in: Use mkinstalldirs.
9618 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9621 * opts-common.c (prune_options): Skip joined switches.
9623 2006-07-27 Jan Hubicka <jh@suse.cz>
9625 PR rtl-optimization/28071
9626 * cselib.c (cselib_process_insn): Don't remove useless values too
9627 often for very large hashtables.
9629 2006-07-27 Jan Hubicka <jh@suse.cz>
9631 PR rtl-optimization/28071
9632 * global.c (greg_obstack): New obstack.
9633 (allocate_bb_info): Use it.
9634 (free_bb_info): Likewise.
9635 (modify_reg_pav): Likewise.
9637 2006-07-27 Roger Sayle <roger@eyesopen.com>
9639 * builtins.c (fold_fixed_mathfn): When long and long long are the
9640 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9641 functions to their lceil*, lfloor*, lround* and lrint* forms.
9643 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9646 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9648 (rev_branch_insn): Likewise.
9650 2006-07-27 Jan Hubicka <jh@suse.cz>
9652 PR rtl-optimization/28071
9653 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9654 (reg_set_in_bb, max_reg_computed): New static variables.
9655 (regmove_optimize): Free the new array.
9656 (fixup_match_1): Update call of reg_is_remote_constant_p.
9658 2006-07-26 Jan Hubicka <jh@suse.cz>
9660 PR tree-optimization/27882
9661 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9663 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9665 (cgraph_analyze_compilation_unit): Likewise.
9666 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9667 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9668 (cgraph_early_inlinine): Make order garbage collected.
9669 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9671 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9673 * dbxout.c (output_types_sort): Add a comment.
9674 (output_used_types): Free the VEC.
9676 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9678 * function.c (reorder_fix_fragments): Delete.
9679 (reorder_blocks): Don't call it.
9680 (reorder_blocks_1): Put all subblocks under the origin block.
9682 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9684 PR rtl-optimization/27907
9685 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9688 2006-07-25 Roger Sayle <roger@eyesopen.com>
9691 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9692 bar(x) check that bar's result type can represent all the values of T.
9694 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9696 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9698 2006-07-25 Nick Clifton <nickc@redhat.com>
9700 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9701 size_lookup[] array.
9702 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9703 (ggc_pch_count_object): Likewise.
9704 (ggc_pch_alloc_object): Likewise.
9705 (ggc_pch_write_object): Likewise.
9706 (init_ggc): Do not attempt to initialize entries in the
9707 size_lookup[] array for objects whose size is greater than than
9708 the length of the array.
9710 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9712 * dbxout.c (output_used_types_helper): Push queued types
9714 (output_types_sort): New.
9715 (output_used_types): Collect used types on a VEC and sort them
9718 2006-07-24 Richard Guenther <rguenther@suse.de>
9721 * cgraph.c (cgraph_remove_node): Do not check if dumps
9723 * cgraphunit.c (cgraph_optimize): Likewise.
9725 2006-07-24 Jan Hubicka <jh@suse.cz>
9727 PR rtl-optimization/28071
9728 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9729 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9730 splitting before first stmt.
9732 2006-07-24 Jan Hubicka <jh@suse.cz>
9734 PR rtl-optimization/28071
9735 * ipa-inline.c (update_caller_keys): Remove edges that
9736 are no longer inline candidates.
9738 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9741 * dbxout.c (output_used_types_helper, output_used_types): New.
9742 (dbxout_symbol): Call output_used_types.
9744 2006-07-23 Jan Hubicka <jh@suse.cz>
9748 * cgraph.c (cgraph_varpool_nodes): Export.
9749 (decide_is_variable_needed): Ignored "used" attribute in
9750 unit-at-a-time mode.
9751 * cgraph.h (cgraph_varpool_nodes): Declare.
9752 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9753 unit-at-a-time mode.
9755 2006-07-23 Roger Sayle <roger@eyesopen.com>
9758 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9759 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9760 the __gthrw form of thr_keycreate.
9761 (__gthread_key_delete): Silence the unused argument warning.
9763 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9766 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9767 Cache the last found '\0' marker to avoid quadratic behavior.
9769 2006-07-23 Jan Hubicka <jh@suse.cz>
9771 * i386.md (subsi_3_zext): Fix output template.
9773 2006-07-21 Mike Stump <mrs@apple.com>
9775 * doc/invoke.texi (C++ Dialect Options): Note that
9776 -fvisibility-inlines-hidden doesn't affect explicitly
9777 instantiationed inline methods.
9779 2006-07-20 Roger Sayle <roger@eyesopen.com>
9781 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9782 if the target assembler is GNU binutils' gas.
9783 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9784 whether to pass GNU gas or native as command line options.
9786 2006-07-20 Jason Merrill <jason@redhat.com>
9788 * tree.c (remove_attribute): New fn.
9789 * tree.h: Declare it.
9791 2006-07-20 Paul Brook <paul@codesourcery.com>
9794 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9795 they are invalidated by this instruction.
9797 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9800 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9802 2006-07-20 Eric Christopher <echristo@apple.com>
9805 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9807 2006-07-19 Eric Christopher <echristo@apple.com>
9809 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9810 Rewrite dependencies for libgcc_s.1.dylib.
9812 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9814 * except.c (duplicate_eh_regions_1): Clear next_peer.
9816 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9818 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9819 -mlongcall does not guarantee all calls will be long.
9820 * doc/extend.texi (long_call/short_call): Document that longcall
9821 does not guarantee a long call will be used.
9822 (longcall/shortcall): Likewise.
9824 2006-07-18 Roger Sayle <roger@eyesopen.com>
9827 * expmed.c (expand_shift): Additionally check that the shift_cost
9828 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9829 before implementing a LSHIFT_EXPR as a sequence of additions.
9830 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9831 middle-end that DImode shifts need to be synthesized by expand.
9833 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9836 * tree-ssa-operands.c (access_can_touch_variable): Update
9838 Return true if ALIAS is .GLOBAL_VAR.
9840 2006-07-18 David Daney <ddaney@avtrex.com>
9842 * gcc.c (display_help): Fix typo in help text.
9844 2006-07-18 Olivier Hainque <hainque@adacore.com>
9846 * tree.h (categorize_ctor_elements): Adjust prototype and add
9847 descriptive comment, both in accordance with the interface change
9849 * varasm.c (constructor_static_from_elts_p): New function.
9850 Whether a constructor node is a valid static constant initializer
9851 if all its elements are.
9852 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9853 * output.h: Declare it.
9854 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9855 is a valid constant initializer instead of computing the number of
9856 non-constant elements. Use constructor_static_from_elts_p for this
9857 purpose. Replace the head comment with an indication that this is a
9858 helper for categorize_ctor_elements.
9859 (categorize_ctor_elements): Same interface change as for the _1
9860 helper. Former head comment from this helper moved here, adjusted to
9861 account for the interface changes.
9862 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9863 (all_zeros_p): Likewise.
9864 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9865 static versions of the constructor from the categorize_ctor_elements
9866 return value instead of the formerly computed number of non-constant
9869 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9871 * configure: Regenerate.
9872 * Makefile.in (build_libsubdir): New configure substitution
9873 (build_libobjdir): New variable.
9874 (BUILD_LIBIBERTY): Use it.
9876 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9879 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9881 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9884 * c-common.c (handle_weakref_attribute): Ignore attribute in
9885 the same conditions the alias attribute is ignored.
9887 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9889 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9890 (dbxout_begin_prologue): Increment scope_labelno.
9892 2006-07-17 Richard Henderson <rth@redhat.com>
9895 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9898 2006-07-17 Roger Sayle <roger@eyesopen.com>
9899 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9901 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9902 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9903 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9904 functions such as sbrk, write, etc.. Add function prototypes.
9905 Convert function declarations from K&R to ISO C. Cast pointers
9906 to "long" and "unsigned long" instead of "int" and "unsigned int".
9907 Convert tokens following #endif into comments.
9909 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9911 * invoke.texi: Remove mention of f77; Reformat table for
9912 inline parameter options correctly; mention that -malign-double
9913 is default on x86-64 targets.
9915 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9917 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9918 (convert_affine_scev, chrec_convert_aggressive): Use
9919 avoid_arithmetics_in_type_p. Do not check for the subtypes
9922 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9925 * optabs.c (expand_doubleword_shift): Wrap the call to
9926 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9928 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9931 * optabs.c (expand_binop): Pass next_methods rather than methods
9932 to expand_doubleword_shift.
9934 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9937 * tree.h (dump_addr): Declare.
9938 * print-tree.c (dump_addr): New function.
9939 (print_node_brief, print_node): Use it.
9940 * print-rtl.c (print_rtx): Likewise.
9941 * common.opt (-fdump-noaddr): New option.
9942 * doc/invoke.texi (-fdump-noaddr): Document.
9943 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9944 (ve_info_hash): Likewise.
9946 2006-07-13 Andrew Haley <aph@redhat.com>
9948 PR tree-optimization/19505
9949 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9950 edge leaving this block, make sure that the destination of this
9951 block has only one predecessor.
9953 2006-07-17 Richard Guenther <rguenther@suse.de>
9955 PR tree-optimization/28238
9956 * tree-inline.c (copy_bb): Check if we produced valid
9957 gimple copying and substituting a stmt. If not, gimplify
9960 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9962 * optabs.c (maybe_encapsulate_block): New function extracted from...
9963 (emit_libcall_block): ...here. Invoke it on the block of insns to
9964 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9965 (emit_no_conflict_block): Likewise.
9967 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9969 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9971 2006-07-15 Roger Sayle <roger@eyesopen.com>
9973 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9974 a new NOP_EXPR case of the switch statement.
9976 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9979 * stor-layout.c (place_field): Take the bit field with
9980 an excessive size into account in the ms-bitfiled case.
9983 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9984 the previous bit field.
9986 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9989 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9991 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9993 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9994 signal frames correctly even when the signal was installed with
9997 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9999 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10000 (dbxout_function_end): Use local label LFBB. Remove hook
10002 (dbxout_source_line): Use local label LFBB.
10003 (dbxout_block): Likewise.
10004 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10005 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10006 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10007 and DBX_OUTPUT_NFUN.
10009 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10011 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10013 2006-07-13 Jan Hubicka <jh@suse.cz>
10015 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10017 * output.h (align_variable): Declare.
10018 * varasm.c (align_variable): Export.
10019 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10020 when basic block changed.
10022 2006-07-13 Nick Clifton <nickc@redhat.com>
10024 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10025 walking the LOG_LINKS chain.
10027 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10029 * doc/invoke.texi (C++ Dialect Options): Explain difference
10030 between -fvisibility-inlines-hidden and setting hidden
10031 visibility explicitly.
10033 2006-07-12 Eric Christopher <echristo@apple.com>
10035 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10036 (stmp-lipo): Depend on libgcc.a.
10038 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10040 * tree.c: Fix a comment typo.
10042 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10044 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10046 (umulhisi3_r): Likewise.
10048 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10051 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10052 x < 19, vs wchar_t support.
10054 2006-07-12 Nick Clifton <nickc@redhat.com>
10056 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10057 instead of -isa=sh4.
10059 2006-07-12 Mike Stump <mrs@apple.com>
10061 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10063 2006-07-10 Eric Christopher <echristo@apple.com>
10065 * config/t-slibgcc-darwin: Rewrite.
10067 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10070 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10073 2006-07-08 Matthias Klose <doko@debian.org>
10075 * doc/sourcebuild.texi: Fix typo.
10077 2006-07-07 Mike Stump <mrs@apple.com>
10079 * toplev.c (process_options): Don't give -ffunction-sections may
10080 affect debugging warning for Mach-O.
10082 2006-07-07 James E Wilson <wilson@specifix.com>
10084 * config/mips/mips.md (cpu): Add sb1a.
10085 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10086 addition to sb1. Adjust comments to clarify SB-1A differences from
10088 (ir_sb1a_load): New. Modify bypasses to use it.
10089 (ir_sb1a_simple_alu): Likewise.
10090 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10091 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10092 (mips_issue_rate): Add PROCESSOR_SB1A.
10093 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10094 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10095 (TARGET_SB1): Add PROCESSOR_SB1A check.
10096 (TUNE_SB1): Likewise.
10098 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10099 * config/mips/mips.c (mips_store_data_bypass_p): New.
10100 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10101 store_data_bypass_p.
10103 2006-07-08 Paul Brook <paul@codesourcery.com>
10106 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10108 2006-07-07 Richard Guenther <rguenther@suse.de>
10110 PR middle-end/28268
10111 * tree.h (build_one_cst): Declare.
10112 * tree.c (build_one_cst): New function.
10113 * tree-ssa-math-opts.c (get_constant_one): Remove.
10114 (insert_reciprocals): Use build_one_cst.
10115 * fold-const.c (fold_plusminus_mult): Likewise.
10117 2006-07-07 Roger Sayle <roger@eyesopen.com>
10119 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10120 * cfgloopanal.c (dump_graph): Likewise.
10121 * dojump.c (discard_pending_stack_adjust): Likewise.
10122 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10124 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10125 * function.c (finalize_block_changes): Likewise.
10126 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10127 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10128 * rtl.c (dump_rtx_statistics): Likewise.
10129 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10131 * varray.c (dump_varray_statistics): Likewise.
10132 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10133 decode_decimal64, encode_decimal128, decode_decimal128,
10134 decimal_real_to_decimal): Likewise.
10136 2006-07-07 Richard Guenther <rguenther@suse.de>
10138 PR tree-optimization/28187
10139 * tree-vrp.c (vrp_operand_equal_p): New function.
10140 (vrp_bitmap_equal_p): Likewise.
10141 (update_value_range): Use them to compare old and new
10142 max and min values.
10144 2006-07-06 Roger Sayle <roger@eyesopen.com>
10146 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10147 a default case to switch statement to silence compiler warnings.
10149 2006-07-06 Roger Sayle <roger@eyesopen.com>
10152 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10153 the configured assembler supports the x87's ffreep mnemonic.
10154 * configure: Regenerate.
10155 * config.in: Regenerate.
10157 * config/i386/i386.c (output_387_ffreep): New function.
10158 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10159 (output_387_reg_move): Likewise.
10161 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10163 Port to hosts whose 'sort' and 'tail' implementations
10164 treat operands with leading '+' as file names, as POSIX
10165 has required since 2001. However, make sure the code still
10166 works on pre-POSIX hosts.
10167 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10168 which says you should use "tail -c +N" rather than "tail +Nc".
10169 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10171 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10173 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10176 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10179 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10180 PRE_{INC,DEC} of TFmode.
10182 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10183 Alan Modra <amodra@bigpond.net.au>
10186 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10189 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10192 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10193 Remove duplicate gtu.
10195 2006-07-05 Jason Merrill <jason@redhat.com>
10199 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10200 * c-common.c (handle_packed_attribute): So don't copy it here.
10201 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10203 2006-07-05 Mike Stump <mrs@apple.com>
10205 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10207 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10210 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10212 2006-07-05 Richard Guenther <rguenther@suse.de>
10215 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10216 TARGET_SSE2 targets if using SSE math.
10217 (*absdf2_1): Likewise.
10219 2006-07-05 Richard Guenther <rguenther@suse.de>
10221 PR tree-optimization/28162
10222 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10223 make sure to convert the operands to the correct type.
10225 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10227 PR tree-optimization/28218
10229 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10230 to calculate and free the dominator information.
10232 2006-07-04 Peter O'Gorman <peter@pogma.com>
10234 * mklibgcc.in: chmod 644 before ranlib during install.
10236 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10237 J"orn Rennecke <joern.rennecke@st.com>
10239 * configure.ac (.eh_frame data check): Use diff -b.
10241 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10244 * Makefile.in (BUILD_RTL): Add build/vec.o.
10245 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10246 (build/genextract): Delete.
10247 (build/genautomata): Likewise.
10249 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10252 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10253 128-bit IBM long doubles for ABI_V4.
10255 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10257 * tree.c (range_in_array_bounds_p): New predicate.
10258 * tree.h (range_in_array_bounds_p): Declare it.
10259 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10260 return a less conservative answer.
10261 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10262 and flag 'is_group'.
10263 (IS_ELEMENT_FOR_GROUP): New macro.
10264 (FOR_EACH_ACTUAL_CHILD): Likewise.
10265 (next_child_for_group): New helper function.
10266 (can_completely_scalarize_p): Take into account groups.
10267 (sra_hash_tree): Handle RANGE_EXPR.
10268 (sra_elt_eq): Likewise.
10269 (lookup_element): Be prepared for handling groups.
10270 (is_valid_const_index): Delete.
10271 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10272 instead of is_valid_const_index.
10273 <ARRAY_RANGE_REF>: New case.
10274 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10275 is_valid_const_index.
10276 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10277 (scan_dump): Dump info for groups too.
10278 (decide_instantiation_1): Likewise.
10279 (decide_block_copy): Assert that the element is not a group.
10280 Propagate decision to groups.
10281 (generate_one_element_ref): Handle RANGE_EXPR.
10282 (mark_no_warning): Iterate over actual childs.
10283 (generate_copy_inout): Likewise.
10284 (generate_element_copy): Likewise.
10285 (generate_element_zero): Likewise.
10286 (generate_element_init_1): Likewise.
10287 (dump_sra_elt_name): Handle RANGE_EXPR.
10289 2006-07-03 Roger Sayle <roger@eyesopen.com>
10291 PR tree-optimization/26251
10292 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10293 (thread_block): When optimizing for size refuse to thread jumps
10294 that would require duplication of blocks other than redirection
10297 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10299 * configure.ac: Fix thinko in previous check-in.
10300 * configure: Regenerate.
10302 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10305 * configure.ac (for lang...): Simplify nesting of conditionals.
10306 Test subdir_requires for non-enabled languages. Move processing
10307 of lang_opt_files and lang_tree_fiels below that test.
10308 * configure: Regenerate.
10309 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10311 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10313 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10315 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10317 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10320 2006-06-29 Jason Merrill <jason@redhat.com>
10327 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10328 * c-common.c (c_determine_visibility): Handle it here.
10329 * c-decl.c (finish_decl): Call c_determine_visibility for
10331 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10332 * tree.h: Likewise.
10333 * varasm.c (default_assemble_visibility): Likewise.
10334 * c-common.c (handle_visibility_attribute): Complain about trying
10335 to give visibility to an already defined class, or trying to change
10336 declared visibility. Always attach the attribute.
10341 * attribs.c (decl_attributes): Ignore type-in-place attributes
10342 once the type has been defined.
10344 2006-06-29 Roger Sayle <roger@eyesopen.com>
10346 PR middle-end/27428
10347 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10348 to indicate the cpplib has issued an error message for us.
10350 2006-06-29 Asher Langton <langton2@llnl.gov>
10353 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10354 insert a label at the end of an function under Mach-O.
10356 2006-06-29 Eric Christopher <echristo@apple.com>
10357 Evan Cheng <evan.cheng@apple.com>
10359 * predicates.md (vector_all_ones_operand): New.
10360 (nonimmediate_or_sse_const_operand): Ditto.
10361 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10362 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10363 (standard_sse_mode_p): Ditto.
10364 (standard_sse_constant_p): Add case for -1 vector.
10365 (ix86_expand_vector_move): Try to use.
10366 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10367 Call standard_sse_constant_opcode.
10368 (*movv4sf_internal): Ditto.
10369 (*movv2df_internal): Ditto.
10371 2006-06-29 Roger Sayle <roger@eyesopen.com>
10373 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10374 of XEXP to extract the operands of a MATCH_CODE rtx.
10376 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10378 * tree.c (tree_size): Do not waste tail padding in
10379 struct tree_string and make the size be the same as
10380 build_string will generate.
10382 2006-06-28 Jason Merrill <jason@redhat.com>
10385 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10386 may_aliases already in the tag's annotations to the bitmap.
10388 2006-06-28 Roger Sayle <roger@eyesopen.com>
10390 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10392 2006-06-28 Roger Sayle <roger@eyesopen.com>
10394 * genpreds.c (generate_switch_p): New function.
10395 (add_mode_tests): Push the new mode test down inside an AND expr
10396 if this allows the switch-suitable MATCH_CODE to be near the root.
10397 (write_match_code_switch): New function to write a MATCH_CODE as
10398 a switch statement.
10399 (write_predicate_stmts): New function to write a predicate RTX
10400 expression as a sequence of statements.
10401 (write_one_predicate_function): Use write_predicate_stmts.
10402 (write_tm_constrs_h): Likewise.
10404 2006-06-26 Fred Fish <fnf@specifix.com>
10406 * config/mips/t-sb1: New file.
10407 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10410 2006-06-26 DJ Delorie <dj@redhat.com>
10412 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10414 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10415 Jayant Sonar <jayants@kpitcummins.com>
10416 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10418 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10419 (subsi3, subsi3_1, subsi3_2): New.
10420 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10421 * config/m32c/mov.md (SI mov peephole): New.
10422 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10423 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10425 2006-06-26 Olivier Hainque <hainque@adacore.com>
10427 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10428 a CALL_EXPR target function declaration.
10430 2006-06-26 Richard Guenther <rguenther@suse.de>
10432 * tree.c (build_string): Do not waste tail padding in
10433 struct tree_string.
10435 2006-06-26 Richard Guenther <rguenther@suse.de>
10437 * ggc-page.c (init_ggc): Add missing element to size_lookup
10441 2006-06-23 Richard Guenther <rguenther@suse.de>
10443 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10444 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10445 alignment requests instead. Add verification code.
10446 Add struct tree_function_decl and struct tree_binfo size to
10447 extra_order_size_table. Add missing element to size_lookup
10450 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10452 PR middle-end/28151
10453 * fold-const.c (const_binop): Be prepared for self returning zero.
10454 Simplify code handling complex values.
10456 2006-06-24 Olivier Hainque <hainque@adacore.com>
10458 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10459 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10462 2006-06-24 Olivier Hainque <hainque@adacore.com>
10464 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10465 ARRAY_REF, so have the callback called for the low bound expression.
10467 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10469 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10470 * c-typeck.c (c_common_type): Disallow operations on decimal float
10471 types and other float types.
10472 * convert.c (convert_to_real): Don't ignore conversions involving
10473 decimal float types.
10475 2006-06-23 Olivier Hainque <hainque@adacore.com>
10477 * tree.c (max_int_size_in_bytes): New function, inspired from
10478 code in function.c:assign_temp.
10479 * tree.h (max_int_size_in_bytes): Declare.
10480 * function.c (assign_temp): Use it.
10481 * gimplify.c (create_tmp_var): Relax the assertions on the type
10482 properties, not mandating constant size any more.
10483 (force_constant_size): New static function.
10484 (gimple_add_tmp_var): Use it, forcing variable size to a
10485 constant upper bound if it is not constant on entry.
10487 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10490 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10491 for initialization and setting of one_only flag to ...
10492 (i386_pe_encode_section_info): ...here.
10493 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10494 Recheck that the symbol has not been defined.
10496 2006-06-23 Richard Guenther <rguenther@suse.de>
10498 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10499 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10500 alignment requests instead. Add verification code.
10501 Add struct tree_function_decl and struct tree_binfo size to
10502 extra_order_size_table. Add missing element to size_lookup
10505 2006-06-22 Roger Sayle <roger@eyesopen.com>
10506 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10508 PR middle-end/28131
10509 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10510 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10512 2006-06-23 Ben Elliston <bje@au.ibm.com>
10514 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10515 negate dn -- manipulate it directly.
10517 2006-06-22 Roger Sayle <roger@eyesopen.com>
10518 Steven Bosscher <stevenb.gcc@gmail.com>
10521 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10522 generated by gen_move_insn to add REG_LABEL notes if necessary.
10524 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10526 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10527 (leaf_entry): Remove use of MIN_ESA.
10529 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10531 PR rtl-optimization/28121
10532 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10535 2006-06-21 DJ Delorie <dj@redhat.com>
10537 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10539 (mulhisi3_r): Likewise.
10541 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10543 PR middle-end/28034
10544 * coverage.c (coverage_counter_alloc): Leave the index type
10546 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10549 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10551 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10552 section from the "Options for Code Generation Conventions".
10554 2006-06-21 Richard Henderson <rth@redhat.com>
10558 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10560 (global_symbolic_operand): Allow weak symbols, even if local_p.
10562 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10564 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10565 (find_interesting_uses_address): Punt if above function returns true.
10567 2006-06-21 Richard Guenther <rguenther@suse.de>
10569 * configure: Regenerated.
10571 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10573 * config/mips/mips.c (function_arg): Where one part of a
10574 complex argument is in registers and the other part in the stack,
10575 return a REG not a PARALLEL.
10577 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10579 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10580 when cross-compiling. Do not substitute libstdcxx_incdir.
10581 * configure: Regenerated.
10583 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10585 * varasm.c (mergeable_string_section): Check for embedded NULs and
10586 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10587 rather than TREE_STRING_LENGTH bytes.
10589 2006-06-21 Richard Guenther <rguenther@suse.de>
10591 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10592 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10595 2006-06-21 Richrad Guenther <rguenther@suse.de>
10597 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10598 Limit iteration over the dominators.
10600 2006-06-20 Roger Sayle <roger@eyesopen.com>
10602 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10603 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10605 2006-06-20 Richard Guenther <rguenther@suse.de>
10606 Michael Matz <matz@suse.de>
10608 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10610 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10611 * et-forest.h (et_free_pools): Prototype new function.
10612 * et-forest.c (et_free_tree_force): Free parent occurrence.
10613 (et_free_pools): New function.
10614 * dominance.c (free_dominance_info): Free et-forest alloc
10617 2006-06-20 Roger Sayle <roger@eyesopen.com>
10619 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10620 integer modes, attempt to directly construct an integer constant.
10622 * fold-const.c (native_encode_vector): Determine the size of each
10623 element from the vector type instead of the first vector element.
10625 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10626 if all of its elements/components are constant.
10627 (build_constructor_from_list): Likewise.
10629 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10631 PR tree-optimization/27331
10632 * tree-data-ref.c (free_data_ref): New function.
10633 (create_data_ref): Fail if the data reference has unknown access
10635 (free_data_refs): Use free_data_ref.
10637 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10639 PR middle-end/28075
10640 * tree-inline.c (setup_one_parameter): Strip useless
10641 type conversion before adding it to the IR.
10642 (declare_return_variable): Likewise.
10644 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10647 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10649 2006-06-19 Mike Stump <mrs@apple.com>
10651 * tree.c (variably_modified_type_p): VM arguments don't make the
10654 2006-06-19 Richard Guenther <rguenther@suse.de>
10656 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10657 type conversions after folding.
10659 2006-06-19 Richard Guenther <rguenther@suse.de>
10661 * ggc-page.c (extra_order_size_tab): Add entries with
10662 size of struct function and basic_block.
10663 (size_lookup): Extend to cover sizes up to 511.
10664 (ggc_alloc_stat): Adjust user.
10665 (ggc_pch_count_object): Likewise.
10666 (ggc_pch_alloc_object): Likewise.
10667 (ggc_pch_write_object): Likewise.
10669 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10671 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10672 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10675 2006-06-19 Denis Chertykov <denisc@overta.ru>
10677 * config/avr/libgcc.S : Correct my wrong previous commit.
10679 2006-06-19 Roger Sayle <roger@eyesopen.com>
10682 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10683 have stripped a SUBREG from the shift count, so we may need to
10684 convert_to_mode back to the type's mode before calling make_tree.
10685 Use new_amount instead of amount to avoid expanding a tree twice.
10687 2006-06-19 Richard Guenther <rguenther@suse.de>
10689 PR middle-end/28045
10690 * fold-const.c (operand_equal_p): Check if the argument types
10691 have the same precision before stripping NOPs.
10693 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10695 Fix PR tree-optimization/27341
10696 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10698 * tree-complex.c (pass_lower_complex): Update SMT usage.
10700 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10702 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10703 Add a new alternative to the constraint strings. Add move of
10704 operand 1 to 3 to the splitter definition.
10705 ("doloop_si_long"): Second contraint alternative removed.
10707 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10709 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10710 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10712 (AVR_HAVE_MOVW) Define.
10713 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10714 (ASM_SPEC): Add avr25.
10715 (LINK_SPEC): Add avr25.
10716 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10717 (base_arch_s): Add new member 'have_movw_lpmx'.
10718 (avr_arch_types): Init 'have_movw_lpmx'.
10719 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10720 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10721 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10722 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10723 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10725 (avr_file_start): Do not output '.arh' derective.
10726 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10727 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10728 * config/avr/avr.md (mcu_enhanced): Delete.
10729 (mcu_have_movw): Define.
10730 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10731 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10732 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10733 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10734 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10735 attiny861 and at86rf401 devices.
10737 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10739 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10742 2006-06-17 Karl Berry <karl@gnu.org>
10744 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10745 doc/gccint.texi, doc/install.texi (@dircategory): Use
10746 "Software development" instead of "Programming", following
10747 the Free Software Directory.
10749 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10751 * config/i386/i386.c (legitimate_tls_address)
10752 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10753 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10754 (*tls_dynamic_gnu2_combine_64): Likewise.
10756 2006-06-16 Richard Guenther <rguenther@suse.de>
10758 PR middle-end/27116
10759 * fold-const.c (negate_expr_p): Do not introduce undefined
10760 overflow in negating INTEGER_CSTs.
10761 (fold_negate_expr): Rename from negate_expr. Revert last
10762 change for folding BIT_NOT_EXPR. Change semantics to
10763 return NULL_TREE for non-simplified negations. Do not
10764 strip type conversions and unify type handling.
10765 (negate_expr): New function, wrap around fold_negate_expr
10766 but ensure building a tree always. Strip type conversions
10767 here, fold to result type.
10768 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10770 2006-06-16 Roger Sayle <roger@eyesopen.com>
10772 PR middle-end/27802
10773 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10774 that (would) return their results in stack registers.
10776 2006-06-16 Michael Matz <matz@suse.de>
10777 Richard Guenther <rguenther@suse.de>
10779 * fold-const.c (fold_truthop): Only return new tree node if
10780 we canonicalized something.
10782 2006-06-16 Richard Guenther <rguenther@suse.de>
10784 * function.h (enum function_frequency): Move declaration
10785 out of struct function.
10786 (struct function): Move bool fields and the enum to the bitfield
10787 section. Reorder elements to avoid padding. Remove unused
10788 fields left over from the RTL inliner removal.
10789 * function.c (free_after_compilation): Do not zero removed fields.
10790 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10791 (ipa-type-escape.o): Likewise.
10793 2006-06-16 Richard Guenther <rguenther@suse.de>
10795 * cgraph.h (struct cgraph_local_info): Turn bool elements
10797 (struct cgraph_node): Likewise.
10798 (struct cgraph_varpool_node): Likewise.
10800 2006-06-15 Richard Guenther <rguenther@suse.de>
10802 * fold-const.c (fold_truth_not_expr): Rename from
10803 invert_truthvalue. Give it fold_* semantics to avoid
10804 generating garbage.
10805 (invert_truthvalue): New function. Wrapper around
10806 fold_truth_not_expr.
10807 (optimize_minmax_comparison): Avoid creating garbage.
10808 (fold_unary): Use fold_truth_not_expr for folding
10810 (fold_ternary): Replace uses of invert_truthvalue with
10811 fold_truth_not_expr where applicable.
10812 * tree.h (fold_truth_not_expr): Prototype.
10814 2006-06-16 Richard Guenther <rguenther@suse.de>
10816 PR tree-optimization/27781
10817 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10818 * ipa-pure-const.c (target.h): Include.
10819 (analyze_function): Do not analyze functions that do not
10822 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10824 PR middle-end/27793
10825 * tree-dfa.c (referenced_vars_dup_list): Remove.
10826 (find_referenced_vars): Remove assert.
10827 (referenced_var_check_and_insert): Replace dup list with assert.
10828 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10829 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10831 2006-06-15 Richard Guenther <rguenther@suse.de>
10833 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10834 extra unused identifiers if not dumping.
10835 (create_variable_info_for): Likewise.
10837 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10839 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10840 (derive_constant_upper_bound): Derive more precise upper bound in
10841 common cases. Return type changed to double_int.
10842 (record_estimate): Reflect the changed return type of
10843 derive_constant_upper_bound.
10844 * double-int.c (double_int_zext, double_int_sext): Fix.
10846 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10848 * configure.ac (CFLAGS): Get them from the toplevel or from the
10849 configure invocation.
10850 * configure: Regenerate.
10851 * Makefile.in (CFLAGS): Substitute value provided by configure.
10853 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10856 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10857 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10858 rather than calling add_stmt on it.
10859 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10861 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10863 PR middle-end/27959
10864 * reload1.c (reload): Remove registers returned by update_eliminables
10865 from used_spill_regs.
10867 2006-06-13 DJ Delorie <dj@redhat.com>
10869 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10871 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10873 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10874 html__strip_dir, html__mkdir_p. Enhance install-html target.
10875 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10876 * configure: Regenerate.
10878 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10880 * fold-const.c (fold_cond_expr_with_comparison): Check for
10881 Objective-C++ as language in deciding COND_EXPR transformation.
10883 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10886 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10887 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10888 * config/sh/lib1funcs.h (SL, SL1): Define.
10889 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10890 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10891 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10892 (OBJS_Os_4_200): New variable.
10893 ($(T)libgcc-Os-4-200.a): Use it.
10894 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10895 when dividing 1 and/or by 0.
10897 2006-06-13 Roger Sayle <roger@eyesopen.com>
10899 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10900 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10901 * configure: Regenerate.
10903 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10905 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10906 for real instruction.
10908 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10910 PR middle-end/26807
10911 * haifa-sched.c (check_cfg): Handle special case.
10913 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10916 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10917 Add debug_info parameter. Chain the vars to the BLOCK instead
10918 of the BIND_EXPR if debug info are requested for them.
10919 (pop_gimplify_context): Adjust for above change.
10920 (gimple_add_tmp_var): Likewise.
10921 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10922 Add bool parameter.
10923 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10924 (convert_local_reference): Likewise.
10925 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10926 (finalize_nesting_tree_1): Request that debug info be emitted
10927 for debug_var_chain.
10929 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10931 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10932 for PR target/27863.
10934 2006-06-13 Richard Guenther <rguenther@suse.de>
10936 PR middle-end/27536
10937 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10939 2006-06-13 Richard Guenther <rguenther@suse.de>
10941 PR tree-optimization/27830
10942 * tree-inline.c (copy_body_r): For copying the operand
10943 of an ADDR_EXPR make sure to fold &* afterwards.
10945 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10947 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10948 lvalues in the fb_none case with side-effects.
10950 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10952 * tree-flow.h: Remove the prototype for
10953 compute_phi_arg_on_exit.
10954 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10955 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10958 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10960 * builtins.c (expand_builtin_return_addr): Only use
10961 frame_pointer_rtx when count == 0 and we are expanding
10962 __builtin_return_address.
10964 2006-06-12 Fred Fish <fnf@specifix.com>
10966 * config/mips/mips.c (mips_file_start): Create special section
10967 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10969 2006-06-11 Eric Christopher <echristo@apple.com>
10971 PR middle-end/27948
10972 * stor-layout.c (place_field): Remove check for
10973 remaining_in_alignment when aligning at the end of a run.
10975 2006-06-11 Eric Christopher <echristo@apple.com>
10978 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10981 2006-06-11 Roger Sayle <roger@eyesopen.com>
10984 Revert incorrect fix for PR target/27158
10985 2006-05-08 Roger Sayle <roger@eyesopen.com>
10986 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10987 of a reg_equiv_constant if the result is a legitimate constant.
10989 2006-06-11 Roger Sayle <roger@eyesopen.com>
10992 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10993 extract a CONST_VECTOR element and interpret it as an integer.
10994 (vspltis_constant): Use const_vector_elt_as_int instead of the
10995 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10996 * config/rs6000/predicates.md (easy_vector_const): Consider
10997 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10999 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11001 PR middle-end/27942
11002 * stor-layout.c (update_alignment_for_field): Don't add extra
11003 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11006 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11008 * config/mips/t-rtems: Add EL/EB multilib variants.
11010 2006-06-09 Mike Stump <mrs@apple.com>
11012 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11014 2006-06-09 David Daney <ddaney@avtrex.com>
11016 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11018 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11020 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11022 2006-06-09 Richard Guenther <rguenther@suse.de>
11024 PR tree-optimization/26998
11025 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11026 of signed types, only TYPE_MIN_VALUE is special, but for both,
11027 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11028 in this case, as is -fwrapv.
11030 2006-06-08 Mike Stump <mrs@apple.com>
11033 * config/darwin.c (darwin_asm_output_anchor): Disable
11034 -fsection-anchors on darwin for now.
11035 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11036 * rs6000/rs6000.c (optimization_options): Likewise.
11038 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11041 * config/i386/i386.c (classify_argument): Skip fields with invalid
11044 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11046 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11047 (cse_insn): Likewise for the stack_pointer_rtx.
11049 2006-06-08 Roger Sayle <roger@eyesopen.com>
11051 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11052 conditions from floating point comparisons.
11054 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11056 PR middle-end/27733
11057 * expmed.c (struct alg_hash_entry): Fix type of field T
11058 to match synth_mult argument.
11059 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11061 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11064 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11067 2006-06-08 Richard Guenther <rguenther@suse.de>
11069 PR middle-end/27116
11070 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11071 only, if overflow is defined and not trapping.
11072 (negate_expr): Likewise.
11074 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11076 PR tree-optimization/27872
11077 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11078 flag on the new exit edge of the unrolled loop.
11080 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11082 PR rtl-optimization/26449
11083 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11085 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11087 PR middle-end/27793
11088 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11089 referenced_variables with matching DECL_UID's.
11090 (find_referenced_vars): Make sure duplicate list is empty to start.
11091 (referenced_var_p): Remove.
11092 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11093 Check if var is in the list, and add if needed. Update the duplicate
11094 list if a different var is in the list with the same DECL_UID.
11095 (add_referenced_var): Call routine to check and insert.
11096 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11097 * tree-flow.h (referenced_vars_dup_list): External declaration.
11099 2006-06-07 Fred Fish <fnf@specifix.com>
11101 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11104 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11107 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11108 the imaginary and real parts of a clobbered register.
11109 Emit insn to set the imaginary part.
11111 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11113 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11114 in lieu of unwind-dw2-fde.c.
11116 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11118 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11120 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11123 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11124 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11125 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11126 V4SImode temporaries and operations instead.
11128 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11130 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11133 2006-06-06 Mike Stump <mrs@apple.com>
11135 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11136 installing during build.
11138 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11140 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11142 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11143 * config/ia64/ia64.c (params.h): New header.
11144 (ia64_optimization_options): New function to adjust parameters.
11145 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11146 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11147 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11149 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11151 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11153 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11156 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11158 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11159 Victor Kaplansky <victork@il.ibm.com>
11161 PR tree-optimization/26360
11162 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11165 2006-06-04 Roger Sayle <roger@eyesopen.com>
11166 Andrew Pinski <pinskia@physics.uc.edu>
11168 PR middle-end/27382
11169 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11170 for LABEL_DECL before calling DECL_WEAK.
11173 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11174 LABEL_DECL and PARM_DECL.
11176 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11180 * c-decl.c (grokdeclarator): Disallow variably modified types at
11181 file scope. Avoid marking shared array type of constant size as
11184 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11187 * c-common.c (fold_offsetof_1): Handle static members.
11189 2006-06-04 Eric Christopher <echristo@apple.com>
11191 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11192 (debug_rli): Output value for remaining_in_alignment.
11193 (update_alignment_for_field): Unconditionalize
11194 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11195 extra alignment code.
11196 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11197 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11198 * tree.h (record_layout_info_s): Remove prev_packed.
11199 * doc/extend.texi (ms_struct): Add documentation of format.
11201 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11203 * tree.h: Declare folding_initializer.
11204 * builtins.c (fold_builtin_constant_p): Give definite answer
11205 if folding inside an initializer.
11206 * fold-const.c: Define folding_initializer.
11207 (START_FOLD_INIT): Save and then set folding_initializer.
11208 (END_FOLD_INIT): Restore folding_initializer.
11210 2006-06-04 Richard Guenther <rguenther@suse.de>
11212 PR tree-optimization/27039
11213 * fold-const.c (fold_comparison): Handle pointer comparison
11214 again for all comparison codes. Compare offsets in signed
11216 (fold_binary): Move code from here.
11218 2006-06-03 Roger Sayle <roger@eyesopen.com>
11221 * config/i386/i386.c (construct_container): Split static issued_error
11222 flag into issued_sse_arg_error, issued_sse_ret_error and
11223 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11224 requires the use of x87 registers and the user explicitly
11225 specified the -mno-80387 command line option.
11227 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11229 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11230 HAVE_DECL_SIGALTSTACK.
11232 (segv_handler): Use MC_FLD.
11233 * configure.ac: Check for a sigaltstack declaration.
11234 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11235 * configure: Regenerate.
11236 * config.in: Regenerate.
11238 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11241 * Makefile.in (stmp-fixinc): Fix typo.
11243 2006-06-02 Roger Sayle <roger@eyesopen.com>
11245 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11246 are type correct. Clean-up.
11247 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11248 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11250 2006-06-01 DJ Delorie <dj@redhat.com>
11252 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11253 shift, as we've disabled the "switch" insn that needs it.
11255 2006-06-01 Per Bothner <bothner@bothner.com>
11257 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11258 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11259 * c-ppoutput.c (cb_define): Don't increment line 0.
11261 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11263 * doc/invoke.texi: Add cpu_type power6.
11264 * config.gcc: Add cpu_type power6.
11265 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11266 to power5+ with Altivec.
11267 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11268 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11270 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11272 * config/avr/avr.h (SET_ASM_OP): Define.
11274 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11276 * config/bfin/bfin.c: Fix comment typos.
11278 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11281 * doc/install.texi: Document --enable-bootstrap and
11282 --disable-bootstrap.
11284 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11286 * doc/install.texi: Document that InfoZIP can replace jar.
11288 2006-05-31 Roger Sayle <roger@eyesopen.com>
11290 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11291 isn't available, directly generate the simpler x87 patterns without
11292 the (use (const_int 0)).
11293 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11294 implementation isn't available.
11295 (*negdf2_1): Likewise.
11296 (*negxf2_1): XF mode negation is always done using the x87.
11297 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11299 2006-05-31 Roger Sayle <roger@eyesopen.com>
11301 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11302 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11304 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11306 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11308 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11309 * config/bfin/bfin.c (basic-block.h): Include.
11310 (struct machine_function): New.
11311 (bfin_init_machine_status): New.
11312 (override_options): Initialize init_machine_status.
11313 (bfin_hardware_loop): New.
11314 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11315 (DEF_VEC_P (loop_info)): New.
11316 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11317 (struct loop_info): New.
11318 (loop_info): New typedef.
11319 (struct loop_work): New.
11320 (loop_work): New typedef.
11321 (DEF_VEC_O (loop_work)): New.
11322 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11323 (bfin_dump_loops): New.
11324 (bfin_bb_in_loop): New.
11325 (bfin_scan_loop): New.
11326 (bfin_optimize_loop): New.
11327 (bfin_reorg_loops): New.
11328 (bfin_reorg): Use bfin_reorg_loops.
11329 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11331 (I_REGNO_P): Simplify.
11332 (DP_REGNO_P, DPREG_P): New macros.
11333 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11334 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11335 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11336 Add LT_REGS, LC_REGS, LB_REGS.
11337 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11339 (REGNO_REG_CLASS): Deal with loop registers.
11340 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11342 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11343 New constants for loop registers.
11344 (UNSPEC_LSETUP_END): New.
11345 (seq_insns): New define_attr. Set it for appropriate insns.
11346 (movsi_insn): Add alternatives for move from/to
11347 loop count registers.
11348 (doloop_end): New define_expand.
11349 (loop_end): New define_insn.
11350 (define_split for bad doloop_end): New.
11351 (lsetup_with_autoinit): New define_insn.
11352 (lsetup_without_autoinit): New define_insn.
11353 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11354 * config/bfin/predicates.md (lc_register_operand): New.
11355 (lt_register_operand): New.
11356 (lb_register_operand): New.
11357 (nondp_register_operand): New.
11358 (nondp_reg_or_memory_operand): New.
11359 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11361 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11363 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11364 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11366 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11368 * Makefile.in (CATALOGS): Add po/ prefix.
11369 * configure: Regenerated.
11371 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11374 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11375 a shift operand before calling shift_op. Avoid redundant call of
11378 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11379 DJ Delorie <dj@redhat.com>
11381 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11382 we're inserting is a singlt-bit constant.
11384 2006-05-30 Roger Sayle <roger@eyesopen.com>
11386 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11387 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11389 2006-05-30 Roger Sayle <roger@eyesopen.com>
11391 PR tree-optimization/23452
11392 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11393 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11394 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11395 complex values and with -ffast-math for FP complex values.
11397 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11399 * c-common.h: Remove the prototype for yyparse.
11400 * rtl.h: Remove the prototype for init_loop.
11402 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11404 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11407 2006-05-30 Roger Sayle <roger@eyesopen.com>
11409 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11411 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11412 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11414 2006-05-30 Dirk Mueller <dmueller@suse.de>
11417 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11418 for CONSTANT_CLASS_P expresisons.
11420 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11423 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11425 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11427 PR tree-optimization/27779
11428 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11429 initial_condition instead of CHREC_LEFT.
11431 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11433 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11434 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11435 Make prototypes ISO C90.
11437 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11438 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11440 * see.c (see_analyze_one_def): Correct check.
11441 (see_get_extension_data): Check if extension is parallel.
11442 (see_get_extension_reg): Likewise.
11444 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11447 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11448 into register for (code == GTU).
11450 2006-05-29 Roger Sayle <roger@eyesopen.com>
11452 PR tree-optimization/24964
11453 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11454 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11455 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11456 abs(x)*abs(x) as x*x for scalar floating point modes.
11458 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11460 PR middle-end/27745
11461 * lambda-code.c (perfect_nestify): Don't copy statements
11462 in the inner loop: move them to the inner loop header.
11464 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11467 * c-tree.texi: Document OpenMP directives and clauses.
11469 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11471 * varasm.c (globalize_decl): Fix indentation.
11473 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11476 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11477 pass_fre, pass_store_ccp, pass_copy_prop,
11478 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11479 pass_return_slot, pass_object_size, pass_lim,
11480 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11481 pass_loop_prefetch and pass_stdarg.
11483 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11485 * config/bfin/bfin.opt (mfdpic): New option.
11486 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11487 (EXTRA_MULTILIB_PARTS): Likewise.
11488 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11489 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11491 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11492 (CRT_CALL_STATIC_FUNCTION): New.
11493 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11495 (CRT_CALL_STATIC_FUNCTION): New.
11496 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11498 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11499 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11500 (initialize_trampoline): Changed to handle FD-PIC code generation.
11501 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11502 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11503 (override_options): Disallow -mid-shared-library -mfdpic combination.
11504 Can't do unaligned ops if FD-PIC.
11505 Turn off flag_pic if trying to generate non-id-shared-library
11506 non-fdpic code, since it's not supported.
11507 (bfin_assemble_integer): New function.
11508 (TARGET_ASM_INTEGER): Define.
11509 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11511 * config/bfin/crtn.s: Restore them.
11512 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11514 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11515 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11516 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11517 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11518 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11520 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11521 FDPIC_REGS and FDPIC_FPTR_REGS.
11522 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11523 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11524 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11525 (load_funcdescsi): New pattern.
11526 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11527 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11528 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11530 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11532 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11535 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11537 * tree-flow.h: Remove the prototype for add_type_alias.
11538 * tree-ssa-alias.c (add_type_alias): Remove.
11540 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11542 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11543 config/fr30/fr30.md, config/i386/i386-interix.h,
11544 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11545 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11546 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11547 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11548 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11549 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11550 Follow spelling conventions.
11551 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11552 Follow spelling conventions.
11554 2006-05-27 Richard Guenther <rguenther@suse.de>
11556 PR middle-end/27773
11557 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11558 to produce a constant of value 1 of generic type.
11560 2006-05-27 Dirk Mueller <dmueller@suse.de>
11562 * cgraphunit.c (decide_is_function_needed): Fix wrong
11565 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11567 PR rtl-optimization/27661
11568 * reload.c (find_reloads): When reloading a VOIDmode constant
11569 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11570 use Pmode as mode of the reload register.
11572 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11574 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11575 is enabled at -O and above.
11577 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11580 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11583 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11586 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11587 for anonymous variables explicitly declared by front ends.
11589 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11591 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11592 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11593 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11594 ref-all pointers, run a finalization pass for them.
11595 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11596 (finalize_ref_all_pointers): New function.
11597 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11598 regular pointer type to a ref-all pointer type.
11599 (get_tmt_for): Return the special memory tag for ref-all pointers.
11601 2006-05-25 Richard Guenther <rguenther@suse.de>
11603 PR middle-end/27743
11604 * fold-const.c (fold_binary): Do not look at the stripped
11605 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11607 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11609 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11610 for LT and GT if the computed range is effectively empty.
11612 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11615 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11616 mips_quad_format formats instead of ieee_single_format,
11617 ieee_double_format and ieee_quad_format formats, respectively.
11619 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11621 PR tree-optimization/27639
11622 PR tree-optimization/26719
11623 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11624 call to scev_probably_wraps_p.
11625 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11626 used_in_pointer_arithmetic_p, convert_step): Removed.
11627 (nowrap_type_p): New function.
11628 (scev_probably_wraps_p): Rewritten.
11629 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11630 chrec_convert if chrec_convert_aggressive might have been used.
11631 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11632 scev_direction): New functions.
11633 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11634 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11635 instead of convert_step.
11636 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11637 (convert_step): Declaration removed.
11638 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11640 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11642 * df-core.c: Added to header comments.
11643 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11644 df_ur_bb_info, df_urec_bb_info): Added comments.
11645 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11646 urec, ri problems): Fixed header comments.
11647 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11648 code from df_rd_transfer_function.
11650 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11652 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11653 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11654 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11656 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11658 * expr.c (undefined_operand_subword_p): New.
11659 (emit_move_multi_word): Do not generate move from undefined bits
11660 of a paradoxical subreg.
11662 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11664 PR rtl-optimization/27736
11665 * combine.c (replaced_rhs_value): New variable.
11666 (combine_instructions): Set it.
11667 (distribute_notes): When distributing a note in replaced_rhs_insn,
11668 check whether the value was used in replaced_rhs_value.
11670 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11673 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11674 add_referenced_var instead of add_referenced_tmp_var.
11675 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11676 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11677 add_referenced_var.
11678 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11679 tree_optimize_tail_calls_1): Use add_referenced_var.
11680 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11681 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11682 Use add_referenced_var.
11683 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11684 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11685 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11686 Use add_referenced_var.
11687 * tree-dfa.c (struct walk_state): Remove.
11688 (find_referenced_vars): Remove walk state and vars_found hash table.
11689 (make_rename_temp): Use add_referenced_var.
11690 (find_vars_r): Pass less parameters to add_referenced_var.
11691 (referenced_var_p): New. Is var in referenced_var hash table.
11692 (referenced_var_insert): Assert var isn't already in hash table.
11693 (add_referenced_var): Don't need walk_state parameter. Add var if it
11694 isn't already in the hash table.
11695 (add_referenced_tmp_var): Remove.
11696 (find_new_referenced_vars_1): Use add_referenced_var.
11697 * tree-ssa-pre.c (create_expression_by_pieces,
11698 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11699 Use add_referenced_var.
11700 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11701 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11702 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11703 add_referenced_var.
11704 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11705 vect_create_data_ref_ptr, vect_create_destination_var,
11706 vect_init_vector, vect_build_loop_niters,
11707 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11708 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11709 Use add_referenced_var.
11710 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11711 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11712 (add_referenced_var): Add prototype.
11713 * tree-ssa-structalias.c (get_constraint_for,
11714 intra_create_variable_infos): Use add_referenced_var.
11716 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11718 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11719 big-endian paradoxical subregs.
11720 * var-tracking.c (struct micro_operation_def): Document that,
11721 for modify micro operations, insn is the subsequent instruction.
11722 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11723 (var_reg_set, var_mem_set): ... new functions.
11724 (add_stores): Record subsequent insn.
11725 (compute_bb_dataflow): Use new functions for MO_USE.
11726 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11727 notes after the insn, and modify notes before the insn known
11728 to be the subsequent one.
11729 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11731 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11734 * config/i386/i386.c (ix86_expand_builtin): Use
11735 gen_sse3_monitor64 for TARGET_64BIT.
11737 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11739 PR rtl-optimization/26375
11740 PR rtl-optimization/26855
11741 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11743 (df_ru_bb_local_compute): Reversed statements and removed bogus
11744 comment explaining why they should be in wrong order.
11745 (df_ru_dump, df_rd_dump): Enhanced debug info.
11746 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11748 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11749 reaching uses and fixed space problem.
11751 2006-05-23 Jan Hubicka <jh@suse.cz>
11753 * cgraphunit.c (decide_is_function_needed): Also nested functions
11754 and functions declared inline can be optimized out at -O0.
11756 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11758 * doc/install.texi (Configuration): Remove reference to CrossGCC
11759 FAQ which was gone.
11762 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11765 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11766 ix86_compare_emitted is non-NULL.
11768 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11771 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11774 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11776 PR rtl-optimization/25514
11777 * combine.c (replaced_rhs_insn): New variable.
11778 (combine_instructions): Set replaced_rhs_insn when trying to replace
11779 a SET_SRC with a REG_EQUAL note.
11780 (distribute_notes): Use replaced_rhs_insn when determining the live
11781 range of a REG_DEAD register.
11783 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11784 Anatoly Sokolov <aesok@post.ru>
11786 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11787 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11788 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11789 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11790 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11791 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11792 at90usb647, at90usb1286 and at90usb1287 devices.
11793 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11794 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11796 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11798 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11800 2006-05-22 Richard Guenther <rguenther@suse.de>
11803 2006-01-31 Richard Guenther <rguenther@suse.de>
11804 Paolo Bonzini <bonzini@gnu.org>
11806 * doc/install.texi (--disable-libgcc-math): Document.
11808 2006-05-22 Richard Guenther <rguenther@suse.de>
11811 2006-01-31 Richard Guenther <rguenther@suse.de>
11813 * doc/invoke.texi (-msselibm): Document.
11814 * target.h (expand_library_builtin): New target hook.
11815 * builtins.c (expand_builtin): Use expand_library_builtin.
11816 (default_expand_library_builtin): New function.
11817 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11818 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11819 (link_gcc_math_spec): Declare.
11820 (static_specs): Add link_gcc_math_spec.
11821 * expr.h (default_expand_library_builtin): Declare.
11822 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11823 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11824 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11825 * config/i386/i386.opt (msselibm): New target option.
11826 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11827 (ix86_init_sse_abi_builtins): New function.
11828 (ix86_expand_library_builtin): Likewise.
11829 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11830 (override_options): Handle error conditions wrt -msselibm.
11831 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11832 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11833 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11836 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11839 * c-common.c (self_promoting_args_p): Skip erroneous args.
11842 * c-decl.c (finish_struct): Skip erroneous fields.
11844 2006-05-22 Nick Clifton <nickc@redhat.com>
11846 * config/cris/cris.opt (march): Remove VarExists attribute.
11847 (max-stackframe=): Likewise.
11849 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11851 * doc/rtl.texi: Fix a typo.
11852 * see.c: Fix comment typos.
11854 * tree-ssa-structalias.h (alias_info): Remove num_references.
11856 2006-05-21 Mike Stump <mrs@apple.com>
11858 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11860 (darwin_pragma_options): Use BAD instead.
11861 (darwin_pragma_unused): Likewise.
11862 (darwin_pragma_ms_struct): Likewise.
11864 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11866 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11868 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11870 PR rtl-optimization/27671
11871 * simplify-rtx.c (simplify_relational_operation_1): Fix
11872 simplifications of (eq/ne (xor x y) y) and
11873 (eq/ne (xor x y) x).
11875 PR tree-optimization/26622.
11876 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11879 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11881 * tree-cfg.c: Prune whitespace.
11882 (debug_tree_cfg): Point to correct header containing the
11885 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11887 PR middle-end/25776
11888 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11890 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11892 PR middle-end/25776
11893 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11894 or sorry count is non zero.
11896 2006-05-20 Andreas Schwab <schwab@suse.de>
11898 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11900 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11901 Kenneth Zadeck <zadeck@naturalbridge.com>
11903 PR rtl-optimization/26855
11905 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11907 (df_scan_alloc): Added code to properly handle multiword hard
11908 registers and add all_blocks parameter.
11909 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11910 code to properly handle multiword hard registers.
11911 (df_rescan_blocks): Added code to remove deleted blocks from
11913 (df_ref_create_structure, df_ref_record): Added code to properly
11915 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11916 and set DF_REF_PARTIAL.
11917 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11918 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11919 (df_scan_add_problem): Added flags parameter.
11920 (df_ref_create_structure): Changed switching structure.
11921 (df_bb_refs_record): Fixed case where duplicate artificial refs
11922 were created. Changed location of flags.
11923 (df_record_entry_block_defs): Added code to make stack pointer
11924 live in entry block. Refined cases where frame pointer is needed.
11925 Changed location of flags.
11926 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11927 (df_set_state): Removed function.
11928 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11929 df_insn_create_insn_record, df_insn_refs_delete,
11930 df_ref_create_structure): Formatting changes.
11931 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11932 df_delete_basic_block): New function.
11933 (df_init): Changed location of flags.
11934 (df_add_problem): Added flags parameter and the way flags are
11936 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11937 debug_df_chain): Improved debugging output.
11938 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11939 (df_refs_chain_dump): Removed df parameter.
11940 (df_iterative_dataflow): Added consistency check.
11941 (df_prune_to_subcfg): Made public.
11942 (df_analyze_problem): Added blocks_to_init parameter and made
11944 (df_ref_record, df_bb_refs_record, df_mark_reg,
11945 df_record_exit_block_uses): Whitespace changes.
11946 (df_dump): Whitespace changes.
11947 * df.h: Some reordering to remove forward references.
11948 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11949 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11950 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11951 (dataflow.flags): New field.
11952 (df.flag): Deleted field.
11953 (df_alloc_function): Added additional bitmap parameter.
11954 (df_dependent_problem_function): New type.
11955 (df_problem.changeable_flags): New field.
11956 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11957 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11958 (df_mw_hardreg): New struct.
11959 (DF_INSN_UID_MWS): New macro.
11960 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11962 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11963 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11964 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11965 (df_set_state): Removed function.
11966 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11967 * df-problems.c (df_chain_dump): Removed df parameter.
11968 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11969 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11971 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11972 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11973 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11974 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11975 DF_REF_MUST_CLOBBER cases.
11976 (df_ru_bb_local_compute_process_def,
11977 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11978 df_lr_bb_local_compute, df_ur_bb_local_compute,
11979 df_chain_create_bb): Made subreg aware.
11980 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11981 df_lr_bb_local_compute, df_lr_bb_local_compute,
11982 df_chain_create_bb): Cleanup to use proper macros.
11983 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11984 code to fixup bitvectors.
11985 (df_ri_alloc): Cleared lifetime.
11986 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11987 df_create_unused_note): New function.
11988 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11989 REG_DEAD and REG_UNUSED notes as well as register information.
11990 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11991 df_chains_dump): Fixed crash if problem was never run.
11992 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11993 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11994 df_ri_add_problem): Processes flags in uniform manner.
11995 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11996 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11997 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11998 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11999 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12000 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12001 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12002 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12003 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12004 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12005 * see.c (see_initialize_data): Ditto.
12006 * final.c (rest_of_clean_state) Added regstack_completed.
12007 * rtl.h (regstack_completed): Ditto.
12008 * reg-stack.c (regstack_completed): Ditto.
12010 2006-05-19 Mike Stump <mrs@apple.com>
12012 * c-tree.h (default_conversion): Remove.
12013 * c-common.h (default_conversion): Add.
12015 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12017 * tree-vrp.c (valid_value_p): New function.
12018 (adjust_range_with_scev): Fail if the value of bound is not
12021 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12023 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12024 (mips_fallback_frame_state): Use syscall numbers to determine
12025 the appropriate li instruction for the current ABI. Only use
12026 __NR_sigreturn for o32.
12028 2006-05-19 Nicolas Setton <setton@adacore.com>
12030 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12031 * langhooks.c (lhd_dwarf_name): New function.
12032 * langhooks-def.h (lhd_dwarf_name): Declare.
12033 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12034 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12036 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12038 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12040 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12041 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12042 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12043 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12044 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12045 determine the size of Wtype, etc.
12046 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12047 (swfloatfuncs): New variable.
12048 (dwfloatfuncs): Likewise.
12049 (lib2funcs): Remove floating-point conversion functions from
12050 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12051 the set of conversion routines needed. Allow entries to specify
12052 an object name, filename and word size. Update users accordingly.
12053 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12054 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12058 2006-02-08 Roger Sayle <roger@eyesopen.com>
12061 * config/fixtfdi.c: New libgcc source file.
12062 * config/fixunstfdi.c: New source file.
12063 * config/floatditf.c: New source file.
12064 * config/floatunditf.c: New souce file.
12065 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12066 files above instead of config/mips/_tilib.c.
12067 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12069 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12071 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12072 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12074 2006-05-18 Mike Stump <mrs@apple.com>
12076 Fix up vla, vm and [*] sematics.
12082 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12083 (c_vla_unspec_p): Add.
12084 (c_vla_type_p): Add.
12085 * c-decl.c (struct c_scope): Add had_vla_unspec.
12086 (build_array_declarator): Add support for [*].
12087 (grokdeclarator): Likewise.
12088 (grokparms): Likewise.
12089 (get_parm_info): Likewise.
12090 * c-objc-common.c (c_vla_unspec_p): Likewise.
12091 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12092 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12093 typeof when argument is a variably modified type not inside sizeof or alignof.
12094 (c_parser_direct_declarator_inner): Propagate errors.
12095 (c_parser_sizeof_expression): Add support for [*].
12096 (c_parser_parms_declarator): Initialize had_vla_unspec.
12097 (c_parser_parms_list_declarator): Likewise.
12098 * c-typeck.c (c_vla_type_p): Add.
12099 (composite_type): Add support for vla compositing.
12100 (comptypes_internal): Add support for vla compatibility.
12101 (c_expr_sizeof_expr): Evaluate vla arguments.
12102 * tree.c (variably_modified_type_p): Update comment for [*].
12104 2006-05-18 Michael Matz <matz@suse.de>
12107 * config.host: Make assignments to host_xmake_file cumulative.
12108 * config.host (*-darwin*): Test $host, not $target.
12110 2006-05-12 Stuart Hastings <stuart@apple.com>
12112 * config/i386/i386.opt (-mstackrealign): New flag.
12113 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12114 (ix86_handle_cconv_attribute): Emit error when
12115 force_align_arg_pointer attribute collides with too many regparms.
12116 (ix86_function_regparm): Limit regparms when used with
12117 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12118 Support stack-realigning prologue in non-main functions. Emit
12119 warning for nested functions under -mstackrealign, emit error for
12120 nested functions with force_align_arg_pointer attribute.
12121 * doc/extend.texi (force_align_arg_pointer): Document it.
12122 * doc/invoke.texi (-mstackrealign): Document it.
12124 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12126 PR rtl-optimization/27477
12127 * combine.c (try_combine): Don't split a parallel consisting
12128 of two sets into two individual sets if both sets reference
12131 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12133 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12134 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12136 * doc/options.texi (VarExists): Updated.
12138 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12140 * unwind-dw2.c: Add declarations for uw_update_context and
12141 uw_frame_state_for.
12142 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12143 detected, advance frame state and context once to skip over stub.
12145 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12147 PR middle-end/20256
12148 PR middle-end/26435
12149 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12150 Call rewrite_into_loop_closed_ssa only when something changed.
12151 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12152 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12153 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12154 Test for perfect_nest_p here. Fix formating.
12155 (replace_uses_equiv_to_x_with_y): Fix formating.
12156 (stmt_uses_op): Removed.
12157 (can_convert_to_perfect_nest): Removed loopivs parameter.
12158 Complete the test by checking the scalar dependences.
12159 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12162 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12165 From Dan Kegel <dank@kegel.com>:
12166 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12168 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12170 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12171 if the element type is variably modified without recursing.
12173 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12175 PR middle-end/27332
12176 * tree-loop-linear.c (try_interchange_loops): Test for
12177 no data dependences.
12179 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12181 PR tree-optimization/27548
12182 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12183 range of ssa names that appear on abnormal edges.
12184 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12185 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12187 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12189 PR middle-end/27620
12190 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12192 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12194 PR middle-end/27415
12195 * tree.h (OMP_PARALLEL_COMBINED): Define.
12196 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12197 (new_omp_context): Add is_combined_parallel argument.
12198 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12199 new_omp_context caller.
12200 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12201 Adjust gimplify_scan_omp_clauses callers.
12202 (omp_is_private): Issue errors if iteration variable is firstprivate
12203 or reduction in the current context.
12204 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12205 on combined parallel workshare constructs.
12207 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12209 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12210 (gcc-options.o): New rule.
12212 * optc-gen.awk: Protect variables for gcc-options.o with
12213 #ifdef GCC_DRIVER/#endif.
12215 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12217 Fix PR tree-optimization/27373
12218 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12219 (forward_propagate_addr_expr): Update call.
12221 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12223 * doc/options.texi: Move the Negative option.
12225 2006-05-16 Richard Guenther <rguenther@suse.de>
12227 PR tree-optimization/22303
12228 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12230 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12231 ccp_fold did not simplify the statement.
12233 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12236 * Makefile.in (GCC_OBJS): New.
12237 (OBJS-common): Add opts-common.o.
12238 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12239 (cpp$(exeext)): Likewise.
12240 (gcc.o): Also depend on opts.h.
12241 (opts-common.o): New.
12243 * common.opt (gcoff): Add Negative(gdwarf-2).
12244 (gdwarf-2): Add Negative(gstabs).
12245 (gstabs): Add Negative(gstabs+).
12246 (gstabs+): Add Negative(gvms).
12247 (gvms): Add Negative(gxcoff).
12248 (gxcoff): Add Negative(gxcoff+).
12249 (gxcoff+): Add Negative(gcoff).
12250 * config/i386/i386.opt (m32): Add Negative(m64).
12251 (m64): Add Negative(m32).
12253 * doc/options.texi: Document the Negative option.
12255 * gcc.c: Include "opts.h".
12256 (main): Call prune_options after expandargv.
12258 * optc-gen.awk: Generate common declarations for all flag
12259 variables in options.c. Output the neg_index field.
12261 * opts.c (find_opt): Moved to ...
12262 * opts-common.c: Here. New file.
12264 * opts.h (cl_option): Add a neg_index field.
12266 (prune_options): Likewise.
12268 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12270 PR middle-end/27573
12271 * omp-low.c (expand_omp_parallel): Don't assert
12272 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12273 instead search for it.
12276 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12279 2006-05-16 Andreas Schwab <schwab@suse.de>
12281 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12284 2006-05-15 Roger Sayle <roger@eyesopen.com>
12287 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12288 integer constants other than zero are only legitimate on TARGET_64BIT.
12289 <CONST_VECTOR> Only zero vectors are legitimate.
12290 (ix86_cannot_force_const_mem): Integral and vector constants can
12291 always be put in the constant pool.
12293 2006-05-16 DJ Delorie <dj@redhat.com>
12295 * crtstuff.c (__dso_handle): Set section from
12296 TARGET_LBIGCC_SDATA_SECTION if defined.
12297 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12298 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12300 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12303 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12306 2006-05-16 Ben Elliston <bje@au.ibm.com>
12308 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12310 2006-05-15 Per Bothner <per@bothner.com>
12312 * tree.c: (last_annotated_node): Use source_locus typedef.
12313 This permits bootstrapping with --enable-mapped-location.
12315 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12317 PR tree-optimization/26830
12318 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12319 (info_for_ssa_name, current_info_for_ssa_name_age,
12320 blocks_to_update): New variables.
12321 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12322 (clear_ssa_name_info, initialize_flags_in_bb,
12323 mark_block_for_update): New functions.
12324 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12325 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12326 prepare_def_site_for): Use mark_block_for_update.
12327 (mark_def_interesting): Assert that the processed block is marked in
12328 blocks_to_update. Do not take blocks argument.
12329 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12331 (rewrite_update_init_block, rewrite_update_stmt): Only process
12332 blocks with statements to rewrite.
12333 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12334 (update_ssa): Initialize and free blocks_to_update. Do not
12335 clear flags on statements. Do not use blocks bitmap.
12336 * tree.h (SSA_NAME_AUX): Removed.
12337 (struct tree_ssa_name): Removed aux field.
12338 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12340 2006-05-15 Richard Guenther <rguenther@suse.de>
12342 PR tree-optimization/27603
12343 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12344 Do computations in original type.
12346 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12348 * see.c: Code style changes such as redundant paranthesis,
12349 redundant intialization of local variables etc.
12350 (see_main): Declared now as static.
12351 * doc/invoke.texi: Update that -fsee is not enabled by
12354 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12356 * omp-low.c (check_omp_nesting_restrictions): New function.
12357 (scan_omp_1): Call it.
12359 PR middle-end/27416
12360 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12361 construct, return *VAR.
12363 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12365 PR rtl-optimization/27406
12366 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12369 2006-05-14 Roger Sayle <roger@eyesopen.com>
12371 PR rtl-optimization/27538
12372 * combine.c (expand_compound_operation): Call gen_lowpart
12373 before calling simplify_shift_const.
12375 2006-05-14 Roger Sayle <roger@eyesopen.com>
12377 PR rtl-optimization/22563
12378 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12379 a fixed width bitfield, always force the intermediates into psuedos.
12381 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12384 * mkconfig.sh: Use operator = instead of == for test.
12386 2006-05-13 Nick Clifton <nickc@redhat.com>
12388 * dwarf2out.c (dbx_reg_number): Check return value from
12389 LEAF_REG_REMAP and only use it if it is valid.
12390 (multiple_reg_loc_descriptor): Likewise.
12392 2006-05-13 Richard Guenther <rguenther@suse.de>
12394 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12397 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12399 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12400 information attached to non-INSNs such as NOTEs.
12401 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12403 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12405 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12407 * config/s390/s390.md: Adjust comment describing On constraint.
12409 2006-05-11 Jan Hubicka <jh@suse.cz>
12411 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12412 to be output at -O0.
12414 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12416 PR middle-end/27384
12417 * fold-const.c (size_binop): Move sanity check for arguments to
12418 the beginning of the function.
12420 PR middle-end/27488
12421 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12424 2006-05-11 Richard Guenther <rguenther@suse.de>
12426 PR middle-end/27529
12427 * fold-const.c (fold_unary): Handle intermediate conversion
12428 to a pointer type like intermediate conversion to an integer
12429 type in folding of (T1)(T2)var to var.
12430 Match the code to the comment in the final conversion for
12431 (T1)(T2)var to (T1)var regarding to type precision. Rather
12432 than disallow T1 being of pointer type, assert that both T1
12433 and var are of pointer type or not. Make sure not to fall
12434 over the frontends lazyness wrt array to pointer decay though.
12436 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12438 * arm.c (arm_struct_value_rtx): Delete.
12439 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12440 (arm_init_cumulative_args): Always initialize nregs to zero.
12442 2006-05-10 Richard Guenther <rguenther@suse.de>
12444 PR tree-optimization/27532
12445 * tree-object-size.c (plus_expr_object_size): Fix typo.
12447 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12450 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12451 ashrdi_const, ashrdi3): Use a scratch register.
12453 2006-05-10 Richard Guenther <rguenther@suse.de>
12455 PR tree-optimization/27302
12456 * fold-const.c (operand_equal_p): For two comparisons,
12457 try comparison of one comparison code swapped if that yields
12460 2006-05-10 Ben Elliston <bje@au.ibm.com>
12462 * tree-pretty-print.c (pretty_print_string): No need to handle
12463 '\0' as a special character.
12465 * tree.h: Include "hashtab.h".
12466 (iterative_hash_expr): Use hashval_t in its prototype.
12467 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12469 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12472 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12473 (hppa*64*-*-hpux11*): Ditto.
12474 (hppa[12]*-*-hpux11*): Ditto.
12476 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12479 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12481 2006-05-09 Michael Matz <matz@suse.de>
12483 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12484 host_extra_gcc_objs and host_xmake_file.
12485 (<*-*-linux*>): Don't overwrite host_xmake_file.
12486 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12487 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12488 (host_detect_local_cpu): Declare.
12489 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12490 * config/i386/i386.c (override_options): Handle -mtune=native
12492 * config/i386/x-i386: New file.
12493 * config/i386/driver-i386.c: New file.
12494 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12497 2006-05-09 Dirk Mueller <dmueller@suse.de>
12498 Richard Guenther <rguenther@suse.de>
12500 PR middle-end/27498
12501 * fold-const.c (fold_read_from_constant_string): Relax check
12502 for matching types to matching modes.
12504 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12506 PR rtl-optimization/27335
12507 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12510 2006-05-08 Chao-ying Fu <fu@mips.com>
12511 Richard Sandiford <richard@codesourcery.com>
12513 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12514 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12515 * config/mips/mips.md (UNSPEC_SCC): New constant.
12516 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12517 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12518 (mips_emit_compare): Use it.
12519 (mips_expand_vcondv2sf): New function.
12521 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12523 Fix PR tree-optimization/27093
12524 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12525 renaming when they become not-used_alone.
12527 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12529 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12530 relocation and relocation stubs.
12532 2006-05-08 Eric Christopher <echristo@apple.com>
12534 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12537 2006-05-08 Jan Hubicka <jh@suse.cz>
12539 PR middle-end/24561
12540 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12541 unused static functions are needed.
12543 2006-05-08 Roger Sayle <roger@eyesopen.com>
12546 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12547 of a reg_equiv_constant if the result is a legitimate constant.
12549 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12552 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12553 standard 80387 constants, raise the cost to prevent
12554 compress_float_constant() to generate load from memory.
12556 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12558 * config/arm/constraints.md (c): Fix a typo.
12560 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12563 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12566 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12568 (_mm_mwait): Likewise.
12570 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12572 (sse3_monitor): Make it 32bit only.
12573 (sse3_monitor64): New. 64bit monitor.
12575 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12578 * config/i386/i386.c (classify_argument): Skip fields with invalid
12581 2006-05-07 Richard Guenther <rguenther@suse.de>
12583 PR tree-optimization/27409
12584 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12585 Do not try to find zero-sized subvars.
12587 2006-05-07 Richard Guenther <rguenther@suse.de>
12589 PR tree-optimization/27136
12590 * tree-ssa-loop-niter.c (get_val_for): Correct function
12591 comment, assert requirements.
12592 (loop_niter_by_eval): Stop processing if the iterated
12593 value did not simplify.
12595 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12597 * opts.c (flag_see): remove its setting at -O3.
12599 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12601 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12602 * arm/constraints.md: New file.
12603 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12604 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12605 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12606 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12607 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12608 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12609 * arm.md: Include constraints.md.
12610 (thumb_movsi_insn): Use satisfies_constraint_J.
12611 (movhi, movqi): Use satisfies_constraint_I.
12613 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12615 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12616 for atmeg a645 device.
12618 2006-05-06 Richard Guenther <rguenther@suse.de>
12620 PR tree-optimization/27151
12621 * tree-vect-transform.c (vectorizable_condition): Punt on
12622 values that have a different type than the condition.
12624 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12627 * c-parser.c (c_parser_cast_expression): Only insert casts into
12628 hash table if pointer.
12629 * function.c (used_types_insert_helper): Rename from
12631 (used_types_insert): Call used_types_insert_helper.
12632 * function.h (used_types_insert): Accept only one argument.
12634 2006-05-05 David Edelsohn <edesohn@gnu.org>
12636 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12637 scratch with output modifier.
12639 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12642 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12643 with output modifier.
12645 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12648 * config/mips/mips.c (mips_symbolic_address_p): Return true
12649 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12650 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12652 2006-05-04 Richard Guenther <rguenther@suse.de>
12654 PR tree-optimization/14287
12655 PR tree-optimization/14844
12656 PR tree-optimization/19792
12657 PR tree-optimization/21608
12658 PR tree-optimization/27090
12659 * tree-ssa-pre.c (try_combine_conversion): New function.
12660 (compute_avail): After constructing the value-handle
12661 expression, use try_combine_conversion to combine NOP_EXPRs
12662 with previous value-handle expressions and use the result if it
12665 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12667 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12669 2006-05-04 Jan Hubicka <jh@suse.cz>
12671 PR middle-end/25962
12672 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12674 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12676 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12677 that this only matches CONST_INTs. All users changed to VOIDmode
12680 * config/bfin/bfin.c: Include "optabs.h".
12681 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12683 (enum bfin_builtins): Add a number of fractional and vector builtins.
12684 (bfin_init_builtins): Likewise.
12685 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12686 (safe_vector_operand, bfin_expand_binop_builtin,
12687 bfin_expand_unop_builtin): New functions.
12688 (bfin_expand_builtin): Handle the new builtins.
12689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12692 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12695 * Makefile.in (OBJS-common): Add see.o.
12696 (see.o): Add dependencies.
12697 * common.opt (fsee): New flag for the see optimization was added.
12698 * opts.c (flag_see): Initialized.
12699 * passes.c (init_optimization_passes, pass_see): New pass.
12700 * rtl.h (see_main): Declaration as extern.
12701 * timevar.def (TV_SEE): New.
12702 * tree-pass.h (pass_see): Declaration as extern.
12703 * invoke.texi (-fsee): Document.
12704 * recog.c (validate_simplify_insn): New function.
12705 * recog.h (validate_simplify_insn): Declaration as extern.
12706 * df-problems.c (df_chain_dump): Check for NULL.
12708 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12709 Daniel Berlin <dberlin@dberlin.org>
12711 * cfgrtl.c (insert_insn_bb_end_new): New function.
12712 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12714 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12716 * df.h (struct web_entry): Moved from web.c.
12717 (union_defs): Declaration as extern.
12718 (unionfind_root): Likewise.
12719 (unionfind_union): Likewise.
12720 * web.c (struct web_entry): Moved to df.h.
12721 (unionfind_root): Remove static declaration.
12722 (unionfind_union): Likewise.
12723 (union_defs): Likewise and generalize to use callback function.
12724 (web_main): Update arguments for union_defs function call.
12726 2006-05-04 Richard Guenther <rguenther@suse.de>
12728 PR tree-optimization/26447
12729 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12730 produce SSA_NAME copies before the store stmt to avoid
12731 breaking exception handling.
12733 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12735 PR middle-end/27388
12736 * gimplify.c (omp_is_private): If var is shared in some outer context,
12737 return false instead of true. Stop searching on parallel context
12740 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12743 * coverage.c: Use get_gcov_unsigned_t() instead of
12744 unsigned_type_node all over.
12746 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12748 PR tree-optimization/27381
12749 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12750 maintain the same immediate_use links.
12751 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12752 node rather than segfaulting.
12754 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12757 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12758 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12759 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12761 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12763 Fix PR tree-optimization/26626
12764 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12766 * tree-ssa-operands.c (access_can_touch_variable): Allow
12767 typecasting through union pointers.
12769 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12772 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12773 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12774 to find if var will be a global variable even in the nested context.
12775 (omp_copy_decl): Only check for global variable at the end, it might
12776 be overridden in outer contexts.
12777 (scan_sharing_clauses): For global variables don't create a field.
12778 (lower_rec_input_clauses): Do nothing for global shared variables.
12779 Emit a barrier at the end of ILIST if there were any decls in both
12780 firstprivate and lastprivate clauses.
12781 (lower_send_clauses): Do nothing for global variables except for
12784 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12786 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12787 of the correct signedness is returned.
12789 2006-05-02 Jeff Law <law@redhat.com>
12791 PR tree-optimization/27364
12792 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12793 multiply expressions.
12795 2006-05-02 Tom Tromey <tromey@redhat.com>
12797 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12799 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12802 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12803 -mthumb -fPIC are used.
12805 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12806 Joshua Kinard <kumba@gentoo.org>
12809 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12810 with 64-bit pointers.
12812 2006-05-02 Paul Brook <paul@codesourcery.com>
12814 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12816 (create_fix_barrier): Check that a suitable barrier location is
12818 (arm_reorg): Include ftmp->address in allowable range of addresses.
12820 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12823 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12826 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12828 PR middle-end/27337
12829 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12830 around RESULT_DECL for result passed by reference.
12831 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12832 * omp-low.c (use_pointer_for_field): Don't look at
12833 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12834 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12835 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12836 time or var for passing by reference for
12837 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12838 TREE_ADDRESSABLE variables when passing by reference.
12840 * omp-low.c (dump_omp_region): Fix output formatting.
12842 PR middle-end/27328
12843 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12844 (expand_omp_parallel): Likewise.
12845 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12847 PR middle-end/27325
12848 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12849 on statement list containing also constructors and destructors.
12850 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12852 PR middle-end/27310
12853 * except.c (duplicate_eh_regions): Fix clearing of
12854 cfun->eh->region_array entries.
12856 2006-05-01 DJ Delorie <dj@redhat.com>
12858 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12860 (gcc_cv_objdump): Likewise.
12861 * configure: Regenerated.
12863 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12866 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12867 templates for case 3 and 4.
12869 2006-05-01 DJ Delorie <dj@redhat.com>
12871 * vec.c: Include bconfig.h when appropriate.
12872 * Makefile.in (build/vec.o): Adjust dependencies.
12873 * mkconfig.sh: Make sure config.h isn't used for build machine
12876 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12878 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12880 (mark_phi_for_rewrite): New function.
12881 (insert_phi_nodes_for, mark_use_interesting): Call
12882 mark_phi_for_rewrite.
12883 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12884 (update_ssa): Initialize and free phis_to_rewrite.
12886 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12888 PR rtl-optimization/27291
12889 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12890 folded to a constant.
12892 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12894 PR tree-optimization/27283
12895 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12896 not whole # of iteration descriptions.
12897 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12898 uses abnormal ssa name.
12899 (niter_for_single_dom_exit): Ditto.
12900 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12901 return just the number of iterations.
12903 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12905 PR tree-optimization/27144
12906 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12907 (record_estimate): Only record constant upper bound.
12908 (infer_loop_bounds_from_undefined): Call
12909 compute_estimated_nb_iterations just once.
12910 (proved_non_wrapping_p): Renamed to ...
12911 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12912 (convert_step_widening, scev_probably_wraps_p): Call
12913 n_of_executions_at_most instead of proved_non_wrapping_p.
12914 (substitute_in_loop_info): Do not replace values in bounds.
12915 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12918 2006-05-01 Richard Henderson <rth@redhat.com>
12921 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12922 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12925 2006-05-01 Roger Sayle <roger@eyesopen.com>
12927 * c-typeck.c (parser_build_binary_op): Don't call the function
12928 unsigned_conversion_warning to spot operand/result type overflow.
12929 (build_binary_op): Instead, call convert_and_check instead of
12930 convert to report the problem when the operands are promoted.
12931 * c-common.c (unsigned_conversion_warning): Make static.
12932 * c-common.h (unsigned_conversion_warning): Delete prototype.
12934 2006-05-01 Richard Guenther <rguenther@suse.de>
12936 PR tree-optimization/26726
12937 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12939 (find_interesting_uses_address): ... we work around here
12940 by folding INDIRECT_REFs in the substituted base.
12942 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12944 * omp-low.c (dump_omp_region): Add newlines.
12946 2006-04-30 Roger Sayle <roger@eyesopen.com>
12948 * common.opt (Woverflow): New command line option.
12949 * c-common.c (constant_expression_warning): Check warn_overflow.
12950 (overflow_waring): Pass OPT_Woverflow to warning.
12951 (unsigned_conversion_warning): Likewise.
12952 (convert_and_check): Likewise.
12953 * doc/invoke.texi: Document new command line option.
12955 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12957 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12958 TARGET_NO_FP_IN_TOC for section anchors.
12959 (optimization_options): Enable section anchors for all
12960 non-"Objective" languages.
12962 2006-04-28 Eric Christopher <echristo@apple.com>
12964 * config/darwin-c.c (darwin_ms_struct): Move this
12965 (darwin_set_default_type_attributes): and this...
12966 * config/darwin.c: ... here.
12967 * config/darwin.h (darwin_ms_struct): Declare.
12969 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12973 2006-04-28 Roger Sayle <roger@eyesopen.com>
12976 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12977 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12978 an unsigned HOST_WIDE_INT.
12979 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12981 (really_start_incremental_init): No need to call convert because
12982 bitsize_zero_node is already of type bitsizetype.
12983 (push_init_level): Extract the value of constructor_index as an
12984 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12985 (process_init_element): Likewise.
12987 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12989 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12990 value before passing to make_relative_prefix.
12992 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12994 PR middle-end/27260
12995 * builtins.c (expand_builtin_memset): Expand val in original mode.
12997 2006-04-27 Eric Christopher <echristo@apple.com>
12999 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13000 with #ifndef/#endif.
13001 * config/darwin-c.c (darwin_ms_struct): New.
13002 (darwin_pragma_ms_struct): Ditto.
13003 (darwin_set_default_type_attributes): Ditto.
13004 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13005 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13006 Register ms_struct pragma.
13007 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13008 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13009 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13010 darwin_set_default_type_attributes if TARGET_MACHO.
13012 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13014 PR tree-optimization/26854
13015 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13016 * doc/tree-ssa.texi: Update immuse iterator documentation.
13017 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13018 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13019 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13020 first_safe_imm_use, next_safe_imm_use): Remove.
13021 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13022 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13023 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13024 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13025 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13026 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13027 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13028 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13029 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13030 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13031 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13032 (perfect_nestify): Use new iterator.
13033 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13035 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13036 (next_imm_name): New field in struct immediate_use_iterator_d.
13037 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13038 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13039 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13040 * tree-cfg.c (replace_uses_by): Use new iterator.
13041 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13042 * tree-ssa-operands.c (correct_use_link): Remove.
13043 (finalize_ssa_use_ops): No longer call correct_use_link.
13045 2006-04-27 Stuart Hastings <stuart@apple.com>
13047 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13048 * config/t-darwin (crt3.o): Use it.
13049 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13050 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13051 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13052 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13053 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13056 2006-04-27 Roger Sayle <roger@eyesopen.com>
13058 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13059 size, force the intermediate into a new pseudo rather instead of
13060 performing both a bitwise AND and a bitwise IOR in memory.
13062 2006-04-27 Richard Guenther <rguenther@suse.de>
13064 PR rtl-optimization/26685
13065 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13066 this one "max-flow-memory-locations".
13068 2006-04-27 Richard Guenther <rguenther@suse.de>
13070 PR tree-optimization/25148
13071 * tree-vrp.c (compare_values): Remove code dealing with
13072 comparisons against type min/max value. Honour overflow
13073 and negative constants in code dealing with comparisons
13074 of plus and minus expressions.
13075 (value_inside_range): Use fold_binary with LE_EXPR and
13076 GE_EXPR rather than compare_values.
13078 2006-04-27 Dirk Mueller <dmueller@suse.de>
13080 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13083 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13085 * basic-block.h (safe_insert_insn_on_edge): Removed.
13086 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13088 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13089 Paolo Bonzini <bonzini@gnu.org>
13091 PR middle-end/27282
13092 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13093 (simplify_and_const_int): Same.
13095 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13097 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13099 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13102 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13103 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13104 cgraph_global_info_ready.
13106 PR middle-end/26913
13107 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13110 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13111 either decl or init is error_mark_node.
13113 PR middle-end/25989
13114 * tree-flow.h (struct omp_region): Add sched_kind.
13115 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13116 instead of extracting omp for data.
13117 (expand_omp_for): Save extracted sched_kind.
13119 2006-04-25 Roger Sayle <roger@eyesopen.com>
13121 * expmed.c (store_bit_field): Also check whether the bitsize is
13122 valid for the machine's "insv" instruction before moving the
13123 target into a pseudo for use with the insv.
13124 * config/i386/predicates.md (const8_operand): New predicate.
13125 * config/i386/i386.md (extv, extzv, insv): Use the new
13126 const8_operand predicate where appropriate.
13128 2006-04-25 DJ Delorie <dj@redhat.com>
13130 * doc/install.texi (Specific): Clarify that this is not a list of
13131 supported hosts or targets.
13133 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13135 PR rtl-optimization/26725
13136 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13137 block's BB_DIRTY flag.
13139 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13141 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13144 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13145 to print an integer.
13147 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13149 * varasm.c (align_variable): New function.
13150 (get_block_for_decl): Apply align_variable to DECL before
13151 calculating section information.
13152 (assemble_variable): Split out alignment computation.
13154 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13156 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13159 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13161 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13162 MODE_PARTIAL_INT mode.
13163 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13164 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13166 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13167 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13169 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13171 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13173 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13174 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13175 MACFLAG_IH): Likewise.
13176 (movstricthi_1): Renamed from "*movstricthi".
13177 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13178 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13179 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13180 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13181 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13182 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13183 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13184 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13185 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13186 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13187 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13188 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13189 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13190 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13191 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13193 * doc/rtl.texi (ss_ashift): Improve wording.
13195 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13197 * dwarf2out.c (verify_marks_clear): New.
13198 (prune_unused_types): Call verify_marks_clear initially, not
13201 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13203 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13204 * doc/rtl.texi: Document them.
13205 * simplify-rtx.c (simplify_unary_operation,
13206 simplify_binary_operation_1): Don't abort when we see them.
13208 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13211 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13212 * configure.ac: Completely disregard languages that are not
13214 * configure: Regenerated.
13216 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13217 Richard Guenther <rguenther@suse.de>
13219 PR tree-optimization/27236
13220 * tree-inline.c (copy_body_r): Make sure to copy
13221 TREE_THIS_VOLATILE flag.
13223 2006-04-24 Richard Guenther <rguenther@suse.de>
13225 PR middle-end/26869
13226 * tree-complex.c (update_parameter_components): Don't handle
13227 unused parameters which have no default def.
13229 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13230 Richard Guenther <rguenther@suse.de>
13232 PR tree-optimization/27218
13233 * tree-inline.c (expand_call_inline): Strip useless type
13234 conversions for the return slot address.
13236 2006-04-24 Richard Guenther <rguenther@suse.de>
13238 * cfgloop.h (struct loops): Remove unused field array. Reorder
13240 (LOOP_PREFETCH): Remove.
13242 2006-04-24 Richard Guenther <rguenther@suse.de>
13244 PR tree-optimization/22525
13245 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13246 variable, adjust types of generated expressions.
13248 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13250 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13251 (tree-vect-patterns.o): Likewise.
13252 (jump.o): Likewise.
13253 (cselib.o): Likewise.
13254 (loop-doloop.o): Likewise.
13255 (regclass.o): Likewise.
13256 (reload1.o): Likewise.
13257 (explow.o): Replace target.h with $(TARGET_H).
13258 (ipa-prop.o): Likewise.
13259 (ipa-cp.o): Likewise.
13260 (ipa-inline.o): Likewise.
13261 (reorg.o): Likewise.
13262 (reg-stack.o): Likewise.
13264 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13266 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13268 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13270 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13272 * configure.ac: Completely disregard languages that are not
13274 * configure: Regenerated.
13277 * c-common.h (c_build_bitfield_integer_type): Declare.
13278 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13279 * c-common.c (c_build_bitfield_integer_type): ... here.
13281 2006-04-23 Roger Sayle <roger@eyesopen.com>
13284 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13285 a SImode SUBREG of a floating point register after no_new_pseudos.
13287 2006-04-23 Roger Sayle <roger@eyesopen.com>
13289 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13290 identify potentially eliminable registers to additionally catch
13291 VIRTUAL_INCOMING_ARGS_REGNUM.
13292 (addsi3): Update the conditions on when to use addsi_small_int.
13294 2006-04-23 Roger Sayle <roger@eyesopen.com>
13297 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13298 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13299 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13301 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13303 * fold-const.c (range_predecessor): Use operand_equal_p
13304 as the predicate for equality.
13305 (range_successor): Likewise.
13307 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13310 * config/soft-fp/op-common.h: Fix a typo.
13312 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13314 PR libmudflap/26864
13315 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13316 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13318 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13320 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13322 * doc/tm.texi: Fix a typo.
13324 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13326 * dwarf2out.c (struct die_struct): Document that die_sib makes
13327 a circular linked list.
13328 (FOR_EACH_CHILD): New.
13329 (reverse_die_lists): Delete.
13330 (reverse_all_dies): Delete.
13331 (add_dwarf_attr): Correct documentation.
13332 (remove_child_with_prev): New.
13333 (remove_child_TAG): Update for change to die_struct, use
13334 remove_child_with_prev.
13335 (add_child_die): Update for change to die_struct.
13336 (splice_child_die): Use remove_child_with_prev and add_child_die.
13337 (print_die): Use FOR_EACH_CHILD.
13338 (die_checksum): Likewise.
13339 (assign_symbol_names): Likewise.
13340 (output_location_lists): Likewise.
13341 (build_abbrev_table): Likewise.
13342 (calc_die_sizes): Likewise.
13343 (mark_dies): Likewise.
13344 (unmark_dies): Likewise.
13345 (unmark_all_dies): Likewise.
13346 (output_die): Likewise.
13347 (prune_unused_types_mark): Likewise.
13348 (prune_unused_types_walk): Likewise.
13349 (same_die_p): Update for change to die_struct.
13350 (break_out_includes): Likewise.
13351 (prune_unused_types_prune): Likewise.
13352 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13353 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13354 it's already clear.
13355 (dwarf2out_finish): Don't call reverse_all_dies.
13357 2006-04-21 Eric Christopher <echristo@apple.com>
13359 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13360 in comments and function names.
13362 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13365 * c-typeck.c (digest_init): Robustify.
13367 * c-typeck.c (pop_init_level): Simplify.
13369 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13371 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13373 2006-04-21 Paul Brook <paul@codesourcery.com>
13375 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13376 hardware floating point.
13378 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13380 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13383 2006-04-21 Nick Clifton <nickc@redhat.com>
13385 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13388 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13391 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13392 C++ lang type in traceback table for Objective-C++.
13394 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13396 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13398 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13400 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13403 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13404 were errors. Remove check for erroneous objects.
13406 2006-04-20 Jeff Law <law@redhat.com>
13408 PR tree-optimization/26854
13409 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13410 checking for zero or one use.
13411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13412 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13413 * tree-ssa-reassoc.c (negate_value): Similarly.
13414 (reassociate_bb): Similarly.
13416 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13419 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13420 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13421 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13423 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13425 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13426 fp regs if the last fp arg doesn't fit in regs.
13428 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13431 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13432 that the last insn has the REG_INC note.
13434 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13435 Nathan Sidwell <nathan@codesourcery.com>
13438 * stor-layout.c (update_alignment_for_field): Do not align
13440 (place_union_field): Place union field at the start of the union.
13441 (place_field): Move ERROR_MARK check later, and use the current
13442 allocation position to maintain monotonicity.
13444 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13446 * dominance.c: Include timevar.h.
13447 (calculate_dominance_info): Use TV_DOMINANCE.
13448 * timevar.def (TV_DOMINANCE): New timevar.
13449 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13451 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13453 PR rtl-optimization/14261
13454 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13455 move would be an INSV insn.
13456 (noce_process_if_block): Don't optimize if the destination is a
13457 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13459 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13461 * config/s390/s390.md: Add comments with the instructions emitted
13462 by an insn pattern if macros are used.
13464 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13466 PR rtl-optimization/26026
13467 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13468 is a known power of two shifted left a variable amount.
13470 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13472 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13473 to hash table twice when the debug_str section has SECTION_MERGE.
13475 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13477 * config/soft-fp: New directory. From glibc.
13478 * config/soft-fp/t-softfp: New.
13479 * config/soft-fp/README: New.
13480 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13481 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13482 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13483 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13484 * config.gcc: Use rs6000/t-fprules-fpbit or
13485 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13487 * config/rs6000/sfp-machine.h: New. Based on glibc.
13488 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13490 * config/rs6000/t-fprules: Remove fp-bit rules.
13491 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13492 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13493 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13494 (softfp_wrap_start, softfp_wrap_end): New.
13496 2006-04-18 DJ Delorie <dj@redhat.com>
13498 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13500 2006-04-18 Devang Patel <dpatel@apple.com>
13502 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13504 2006-04-18 Nick Clifton <nickc@redhat.com>
13506 * config/sh/t-symbian: Add rule to build sh-c.o
13507 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13508 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13509 (sh_symbian_encode_section_info): Likewise.
13511 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13513 * builtins.c (expand_builtin_strcmp): Cover label definition of
13514 do_libcall with HAVE_cmpstrnsi.
13516 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13518 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13520 * function.h (temp_slot_p): New.
13521 (function): Change the type of x_used_temp_slots to
13522 VEC(temp_slot_p,gc) *.
13524 2006-04-18 Nick Clifton <nickc@redhat.com>
13526 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13527 flag_strength_reduce.
13529 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13531 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13535 Partial revert of revision 112637
13536 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13537 Dale Johannesen <dalej@apple.com>
13540 * regclass.c (struct reg_pref): Update documentation.
13541 (regclass): Set prefclass to NO_REGS if memory is the best option.
13542 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13544 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13546 PR tree-optimization/26821
13547 * tree-ssa-math-opts.c (get_constant_one): New.
13548 (insert_reciprocals): Use it.
13550 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13552 * dwarf2out.c (free_AT): Delete.
13553 (remove_AT): Update string ref counts.
13554 (remove_child_TAG): Don't call free_die.
13555 (free_die): Delete.
13556 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13557 or DW_TAG_GNU_EINCL.
13558 (prune_unused_types_walk_attribs): Reset string refcounts.
13559 (prune_unused_types_update_strings): New.
13560 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13561 call free_die. Do call prune_unused_types_update_strings.
13562 (prune_unused_types): Empty debug_str_hash.
13564 2006-04-17 Roger Sayle <roger@eyesopen.com>
13566 * expr.c (expand_assignment): Optimize away no-op moves where the
13567 source and destination are equal and have no side-effects.
13569 2006-04-17 Richard Guenther <rguenther@suse.de>
13572 * reload.c (push_reload): Guard calls to get_secondary_mem
13573 for memory subregs.
13575 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13577 * alias.c (reg_base_value, old_reg_base_value): Change the
13578 type to VEC(rtx,gc) *.
13579 (REG_BASE_VALUE, find_base_value, record_set,
13580 init_alias_analysis): Use VEC instead of VARRAY.
13582 * alias.c (alias_sets): Change the type to
13583 VEC(alias_set_entry,gc) *.
13584 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13585 VEC instead of VARRAY.
13586 (last_alias_set): Remove.
13588 * cgraph.h (cgraph_edge_p): New.
13589 Update the prototype of cgraph_function_versioning.
13590 * cgraphunit.c (cgraph_copy_node_for_versioning,
13591 cgraph_function_versioning): Use VEC instead of VARRAY.
13592 * ipa-cp.c (ipcp_insert_stage): Likewise.
13594 2006-04-16 Roger Sayle <roger@eyesopen.com>
13597 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13598 "A op B" or "A op C", we may need to convert A to the type of B and C.
13600 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13602 * target.h (struct gcc_target): Add mode_rep_extended.
13603 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13604 (init_num_sign_bit_copies_in_rep): Initialize it using
13606 (truncate_to_mode): Use it.
13607 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13608 * targhooks.h (default_mode_rep_extended): Declare it.
13609 * targhooks.c (default_mode_rep_extended): Define it.
13610 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13611 default_mode_rep_extended.
13612 (TARGET_INITIALIZER): Include it.
13613 * doc/tm.texi (Misc): Document it.
13614 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13615 (mips_truncated_to_mode): New function.
13617 2006-04-16 Roger Sayle <roger@eyesopen.com>
13619 PR middle-end/25474
13620 * expr.c (compress_float_constant): Copy the narrow constant into
13621 a new pseudo before extending it to its final width.
13623 2006-04-16 Roger Sayle <roger@eyesopen.com>
13624 Andrew Pinski <pinskia@gcc.gnu.org>
13625 Dale Johannesen <dalej@apple.com>
13628 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13629 special case code to implement V8HImode and V16QImode with SSE2.
13631 2006-04-15 Roger Sayle <roger@eyesopen.com>
13633 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13634 trees are constructed with a suitable tree type.
13636 2006-04-15 Roger Sayle <roger@eyesopen.com>
13638 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13639 (integer_onep): Likewise.
13640 (integer_all_onesp): Likewise.
13641 (integer_pow2p): Likewise.
13642 (integer_nonzerop): Likewise.
13643 (real_zerop): Likewise.
13644 (real_onep): Likewise.
13645 (real_twop): Likewise.
13646 (real_minus_onep): Likewise.
13647 (int_size_in_bytes): Likewise.
13648 (host_integerp): Likewise.
13650 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13652 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13653 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13654 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13656 * tree-ssa-structalias.h (alias_info): Remove num_references.
13658 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13660 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13661 (output_bvb patterns): Likewise.
13662 * pa.c (output_bb): Use 'bb' insn for long branch case.
13663 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13664 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13665 1. Correct length operand for alternatives 1 and 2.
13666 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13667 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13669 2006-04-14 Roger Sayle <roger@eyesopen.com>
13671 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13672 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13673 were accidentally reverted by r112959.
13675 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13677 PR middle-end/26823
13678 * except.h (eh_region_outermost): New prototype.
13679 * except.c (eh_region_outermost): New function.
13680 * tree-cfg.c (find_outermost_region_in_block): Use it.
13682 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13684 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13686 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13687 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13688 (init_reload, reload): Use VEC instead of VARRAY.
13689 * reload.h: Update the prototype for
13690 reg_equiv_memory_loc_varray.
13692 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13693 Eric Botcazou <ebotcazou@libertysurf.fr>
13695 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13696 register save area.
13698 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13700 PR middle-end/27134
13701 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13702 to expand fallback builtin function call.
13704 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13706 PR middle-end/27095
13707 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13708 and emit libcall here in case the builtin fails.
13709 (expand_builtin_strcmp): Always emit the libcall here on failure.
13711 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13713 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13714 * flow.c (reg_n_info): Change the type to
13715 VEC(reg_info_p,heap) *.
13716 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13718 * regs.h (reg_info_p): New.
13719 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13720 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13721 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13724 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13726 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13728 * params.h (MAX_SCHED_READY_INSNS): New macro.
13729 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13730 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13731 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13732 the ready list for 1 cycle during the first scheduling pass.
13733 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13735 2006-04-13 Richard Henderson <rth@redhat.com>
13738 * gimple-low.c (lower_omp_directive): Remove dead code.
13739 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13740 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13741 * omp-low.c (struct omp_region): Move to tree-flow.h.
13742 (root_omp_region): Export.
13743 (omp_regions, lookup_omp_region): Remove.
13744 (determine_parallel_type): Update for struct omp_region changes.
13745 (dump_omp_region): Dump regions with block numbers.
13746 (new_omp_region): Take type and block instead of stmt; malloc
13748 (free_omp_region_1, free_omp_regions): New.
13749 (expand_parallel_call): Take entry_stmt as argument; update for
13750 changes to omp_region.
13751 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13752 (remove_exit_barriers): New.
13753 (expand_omp_parallel): Update for struct omp_region changes.
13754 (expand_omp_synch): Likewise.
13755 (expand_omp): Likewise.
13756 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13757 (expand_omp_for_static_chunk): Likewise.
13758 (expand_omp_for): Likewise.
13759 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13760 (expand_omp_sections): Similarly, with GOMP_sections_end.
13761 (expand_omp_single): New.
13762 (build_omp_regions_1): Update for OMP_CONTINUE.
13763 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13764 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13765 OMP_SECTIONS_SECTIONS.
13766 (lower_omp_single_simple): Don't emit barrier here.
13767 (lower_omp_single_copy): Likewise.
13768 (lower_omp_single): Fix bindings, and lower to straightline now.
13769 (lower_omp_master, lower_omp_ordered): Likewise.
13770 (lower_omp_critical): Likewise.
13771 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13772 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13773 omp edges, free it afterward.
13774 (make_omp_sections_edges): Remove.
13775 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13776 (move_stmt_r): Handle OMP_CONTINUE.
13777 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13778 statement pointers to basic blocks. Add type member.
13779 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13780 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13781 * tree-inline.c (estimate_num_insns_1): Likewise.
13782 * tree-pretty-print.c (dump_generic_node): Likewise.
13783 * tree-ssa-operands.c (get_expr_operands): Likewise.
13784 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13785 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13786 (OMP_CONTINUE): New.
13787 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13788 (OMP_SECTIONS_SECTIONS): Remove.
13789 (OMP_SECTION_LAST): New.
13790 (OMP_RETURN_NOWAIT): New.
13792 2006-04-13 Roger Sayle <roger@eyesopen.com>
13794 * fold-const.c (native_encode_vector, native_interpret_real):
13795 Correct obvious mistakes in the previous check-in.
13797 2006-04-13 Roger Sayle <roger@eyesopen.com>
13799 * fold-const.c (native_encode_expr): New function to encode
13800 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13801 or VECTOR_CST into a specified buffer.
13802 (native_encode_int): New function.
13803 (native_encode_real): New function.
13804 (native_encode_complex): New function.
13805 (native_encode_vector): New function.
13806 (native_interpret_expr): Inverse of native_encode_expr to convert
13807 a target representation into an INTEGER_CST, REAL_CST etc...
13808 (native_interpret_int): New function.
13809 (native_interpret_real): New function.
13810 (native_interpret_complex): New function.
13811 (native_interpret_vector): New function.
13812 (fold_view_convert_expr): New function to constant fold/evaluate
13813 a VIEW_CONVERT_EXPR of a suitable constant expression.
13814 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13815 Change call of build1 to fold_build1 when constructing a
13818 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13819 Ulrich Weigand <uweigand@de.ibm.com>
13822 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13825 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13828 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13829 optimize to lo_sum for DFmode if !TARGET_FPRS.
13831 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13833 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13834 delete_alias_info, compute_flow_sensitive_aliasing,
13835 group_aliases): Use VEC instead of VARRAY.
13836 * tree-ssa-structalias.c (update_alias_info): Likewise.
13837 * tree-ssa-structalias.h (alias_info): Change the type of
13838 processed_ptrs to VEC(tree,heap) *.
13840 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13843 * config/sh/lib1funcs.h: New file, broken out of:
13844 * config/sh/lib1funcs.asm.
13845 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13847 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13848 * config/sh/lib1funcs-Os-4-200.asm: New file.
13849 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13850 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13851 (EXTRA_MULTILIB_PARTS): Include it.
13852 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13853 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13854 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13855 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13858 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13860 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13861 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13862 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13864 * tree-ssa-live.h: Include vecprim.h.
13865 (tree_partition_associator_d): Change the type of
13866 first_partition to VEC(int,heap) *.
13867 (tpa_first_partition): Use VEC instead of VARRAY.
13869 * Makefile.in (GTFILES): Move functions.h after tree.h.
13870 * function.c (reset_block_changes, record_block_change,
13871 check_block_change, free_block_changes): Use VEC instead of
13873 * function.h (function): Change the type of
13874 ib_boundaries_block to VEC(tree,gc) *.
13875 * tree-inline.c (copy_cfg_body): Initialize
13876 ib_boundaries_block to NULL instead of (varray_type) 0.
13878 2006-04-12 Roger Sayle <roger@eyesopen.com>
13880 * expr.c (emit_group_store): Correct operand order in call to
13881 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13882 a SUBREG_BYTE of zero.
13884 2006-04-12 Richard Guenther <rguenther@suse.de>
13886 * profile.c (compute_branch_probabilities): Remove code
13887 encapsulated in !ir_type (), which are remanents of the
13888 removed RTL profiling code.
13889 * rtl-profile.c: Remove.
13891 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13893 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13894 magic NULL_RTX comment.
13895 (function_arg): Store entire fp arg to mem if any part should go
13897 (rs6000_arg_partial_bytes): Adjust for above change.
13899 2006-04-11 Roger Sayle <roger@eyesopen.com>
13901 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13902 if it hasn't been initialized by dwarf2out_init.
13904 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13906 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13907 symbolic constants in branch patterns.
13909 2006-04-11 Roger Sayle <roger@eyesopen.com>
13911 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13913 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13915 PR rtl-optimization/27073
13916 * gcse.c (try_replace_reg): Revert last change. Continue to search
13917 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13920 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13922 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13923 aggregate types other than record and union types.
13924 (function_arg): Likewise.
13925 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13927 (function_value): In 64-bit mode, return objects that require it
13930 2006-04-11 Roger Sayle <roger@eyesopen.com>
13932 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13934 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13936 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13938 2006-04-03 Jeff Law <law@redhat.com>
13941 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13942 alias information too.
13944 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13946 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13948 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13951 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13952 (premark_used_types_helper): New.
13953 (premark_used_types): New.
13954 (gen_subprogram_die): Call premark_used_types.
13955 (prune_unused_types_walk): Do not prune perennial dies.
13956 * function.c (used_types_insert): New.
13957 * function.h (struct function): Add used_types_hash field.
13958 (used_types_insert): Add prototype.
13959 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13960 * c-parser.c (c_parser_cast_expression): Save casted types in used
13963 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13966 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13967 rs6000_explicit_options.float_gprs.
13969 2006-04-10 Roger Sayle <roger@eyesopen.com>
13971 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13972 from ix86_expand_vector_init_low_nonzero. Take an additional
13973 one_var argument indicating which element is non-zero. Support
13974 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13975 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13976 with one_var instead of ix86_expand_vector_init_low_nonzero.
13978 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13980 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13981 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13982 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13983 build/genextract.o): Depend on vecprim.h.
13984 * cfglayout.c, df-problems.c, function.c, genextract.c,
13985 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13986 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13990 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13992 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13993 Declare VECs of this type.
13994 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13995 (remove_children): Delete.
13996 (add_dwarf_attr): Use VEC routines.
13997 (add_AT_flag): Update for changes to add_dwarf_attr.
13998 (add_AT_int): Likewise.
13999 (add_AT_unsigned): Likewise.
14000 (add_AT_long_long): Likewise.
14001 (add_AT_vec): Likewise.
14002 (add_AT_string): Likewise.
14003 (add_AT_die_ref): Likewise.
14004 (add_AT_fde_ref): Likewise.
14005 (add_AT_loc): Likewise.
14006 (add_AT_loc_list): Likewise.
14007 (add_AT_addr): Likewise.
14008 (add_AT_lbl_id): Likewise.
14009 (add_AT_lineptr): Likewise.
14010 (add_AT_macptr): Likewise.
14011 (add_AT_offset): Likewise.
14012 (add_AT_range_list): Likewise.
14013 (get_AT): Use VEC_iterate.
14014 (remove_AT): Use VEC_ordered_remove.
14015 (free_die): Fold remove_children into here; have it use VEC_iterate.
14016 (print_die): Use VEC_iterate on attrs.
14017 (reverse_die_lists): Don't reverse attr lists.
14018 (die_checksum): Use VEC_iterate on attrs.
14019 (same_die_p): Likewise.
14020 (output_location_lists): Likewise.
14021 (build_abbrev_table): Likewise.
14022 (size_of_die): Likewise.
14023 (unmark_all_dies): Likewise.
14024 (output_abbrev_section): Likewise.
14025 (output_die): Likewise.
14026 (prune_unused_types_walk_attribs): Likewise.
14028 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14030 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14032 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14035 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14037 2006-04-09 Roger Sayle <roger@eyesopen.com>
14039 * expr.c (store_constructor): Don't bother clearing target if
14040 we're about to assign a vector to it using vec_init_optab.
14042 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14044 * tree-ssa-alias.c (lhs_may_store_to): New function.
14045 (recalculate_used_alone): Handle LHS of calls.
14047 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14051 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14052 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14053 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14054 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14055 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14056 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14057 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14058 stubs. Add ".align 8" directives before all ".dword" directives.
14059 (GTHREAD_USE_WEAK): Revise comment.
14060 (TARGET_ATTRIBUTE_WEAK): Define.
14061 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14062 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14063 * stublib.c: New file.
14068 * pa.md (cbranch patterns): Revise arguments used in calls to
14069 output_cbranch, output_bb and output_bvd. Add long branch length
14071 (fbranch patterns): Handle long branches.
14072 (jump): Revise length check. Revise arguments for output_lbranch call.
14073 Add long branch length attributes.
14074 (decrement_and_branch_until_zero): Add long branch length attributes.
14075 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14076 Likewise. Revise arguments for output_parallel_addb and
14077 output_parallel_movb calls.
14078 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14079 output_parallel_movb and output_parallel_addb): Update prototypes.
14080 * pa.c (output_cbranch): Revise arguments. Correct handling of
14081 nullification in long branches.
14082 (output_lbranch): Add new argument to control extraction of delay
14084 (output_bb): Handle long branches.
14085 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14086 output_parallel_addb): Likewise.
14088 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14090 PR rtl-optimization/27073
14091 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14094 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14096 * tree.h (tree_memory_tag): Add old_used_alone.
14097 (SMT_OLD_USED_ALONE): New macro.
14098 * tree-ssa-alias.c (recalculate_used_alone): Stop
14099 marking things for renaming unnecessarily.
14101 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14103 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14104 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14105 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14106 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14107 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14108 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14109 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14110 spelling convensions.
14111 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14112 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14113 typos. Follow spelling conventions.
14115 2006-04-07 DJ Delorie <dj@redhat.com>
14117 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14118 passed on the stack.
14119 (m32c_init_cumulative_args): When a function returns a structure,
14120 always pass the pointer to that return area on the stack.
14121 (m32c_function_arg_advance): Don't increment the parameter number
14122 if we're processing the returned structure pointer.
14123 (pushm_info): Reverse order of registers.
14125 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14127 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14128 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14129 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14130 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14131 build_int_cst_type.
14132 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14133 chrec_fold_multiply): Same.
14134 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14135 force_expr_to_var_cost): Same.
14136 * tree-mudflap.c (mf_xform_derefs_1): Same.
14137 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14139 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14141 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14142 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14145 2006-04-07 Jan Hubicka <jh@suse.cz>
14147 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14149 2006-04-07 Richard Guenther <rguenther@suse.de>
14151 PR tree-optimization/26135
14152 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14153 loads for store copy-prop.
14154 (copy_prop_visit_stmt): Likewise.
14156 2006-04-05 Robert Millan <robertmh@gnu.org>
14158 * config/i386/linux.h: Add a comment to mark macros that are
14159 being overriden in config/k*bsd-gnu.h.
14160 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14162 * config/knetbsd-gnu.h: Ditto.
14164 2006-04-06 Jan Hubicka <jh@suse.cz>
14168 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14171 2006-04-06 Mike Stump <mrs@apple.com>
14173 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14174 for HAVE_nonlocal_goto to be consistent.
14175 (expand_builtin_nonlocal_goto): Likewise.
14176 (expand_builtin_strcmp): Use #ifdef instead of #if
14177 for HAVE_cmpstrnsi to be consistent.
14179 2006-04-05 DJ Delorie <dj@redhat.com>
14181 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14184 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14186 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14187 got-relative addressing for anything but SImode.
14189 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14190 even if the calling function doesn't modify them.
14192 2006-04-05 Richard Guenther <rguenther@suse.de>
14194 PR tree-optimization/26919
14195 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14196 to cgraph_estimate_size_after_inlining.
14198 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14200 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14202 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14204 PR tree-optimization/26996
14205 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14206 VECTOR_TYPE variables.
14208 2006-04-05 Richard Guenther <rguenther@suse.de>
14210 PR tree-optimization/26763
14211 * fold-const.c (fold_comparison): Move folding of
14212 PTR + CST CMP PTR + CST ...
14213 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14215 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14217 * doc/install.texi (Prerequisites): Refine some wording on
14218 bootstrapping and ksh.
14219 Move the version numbers of DejaGnu here from the testing section
14220 and fix casing of names.
14221 Fix markup and clarify wording for autogen requirements.
14222 Refer to GCJ instead of just java.
14223 Refer to SVN instead of CVS.
14224 Describe diffutils as useful instead of necessary.
14225 (Downloading the source): Refer to SVN instead of CVS.
14226 Adjust a link to our web site accordingly.
14227 (Configuration): Fix casing of Bison.
14228 (Building): Refer to SVN instead of CVS.
14229 Fix a sentence on the use of Bison and remove duplicate (and
14230 incorrect) version number of Bison requirement.
14231 Remove one redundant list of packages needed for building.
14232 (Specific): Avoid reference to CVS.
14234 2006-04-04 Eric Christopher <echristo@apple.com>
14236 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14237 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14238 (rs6000_handle_struct_attribute): New.
14239 (rs6000_ms_bitfield_layout_p): Ditto.
14241 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14243 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14244 NULL for dso parameter to atexit_common.
14246 2006-04-04 Eric Christopher <echristo@apple.com>
14248 * config/i386/i386.c (machopic_output_stub): Output \t
14249 between instructions and operands.
14251 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14253 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14254 satisfies_constraint_[IL] to explicit tests on value.
14256 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14258 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14259 set_nb_iterations_in_loop): Use build_int_cst instead of
14260 build_int_cst_type.
14261 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14262 build_int_cst instead of convert.
14264 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14266 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14267 new value 2 for incoming.
14268 * function.c (expand_function_start): Call struct_value_rtx
14269 with incoming as 2.
14270 * config/sparc/sparc.md: Comment updated_return.
14271 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14272 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14273 struct return if sparc_std_struct_return and incoming is 2.
14274 (print_operand): Do not adjust return if
14275 sparc_std_struct_return.
14277 2006-04-04 Roger Sayle <roger@eyesopen.com>
14279 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14280 convert in the middle-end.
14281 * expr.c (store_expr, store_constructor, get_inner_reference,
14282 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14284 * tree.c (build_range_type): Likewise.
14286 2006-04-04 Tom Tromey <tromey@redhat.com>
14288 * doc/install.texi (Prerequisites): Mention jar.
14290 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14292 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14295 2006-04-04 Matthias Klose <doko@debian.org>
14297 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14301 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14304 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14306 * doc/extend.texi (Function Attributes): Rewrite visibility
14307 attribute documentation.
14308 * doc/invoke.texi (C++ Dialect Options): Rewrite
14309 -fvisibility-inlines-hidden documentation to describe something
14310 entirely different, although in practise compatible.
14311 (Code Gen Options): Warn about system headers in -fvisibility=
14314 * doc/extend.texi (Other Builtins): Document that
14315 __builtin_nan is a compile-time constant only when its argument
14318 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14320 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14321 trying to remove TRUNCATE check if all bits outside the new mode
14322 are identical to the sign bit.
14324 2006-04-03 Jeff Law <law@redhat.com>
14326 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14327 and operand scanning in some common cases.
14329 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14330 Dale Johannesen <dalej@apple.com>
14333 * regclass.c (struct reg_pref): Update documentation.
14334 (regclass): Set prefclass to NO_REGS if memory is the best option.
14335 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14336 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14337 into account. For non-registers, equate an empty preferred
14338 reload class to a `!' in the constraint; move the if clause to
14339 do so after those that reject the insn.
14340 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14342 (find_dummy_reload): Likewise.
14343 * doc/tm.texi (Register Classes): Document what it means
14344 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14345 * config/i386/i386.c (ix86_preferred_reload_class): Force
14346 using SSE registers (and return NO_REGS for floating-point
14347 constants) if math is done with SSE.
14348 (ix86_preferred_output_reload_class): New.
14349 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14350 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14351 * config/i386/i386.md: Remove # register preferences.
14353 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14356 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14357 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14358 the type of nb_iter.
14359 (instantiate_parameters_1): Convert the operands before calling
14360 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14361 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14363 2006-04-02 Roger Sayle <roger@eyesopen.com>
14365 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14366 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14367 instead of convert.
14368 * dojump.c (do_jump): Likewise.
14369 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14370 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14371 gimplify_boolean_expr): Likewise.
14372 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14373 * varasm.c (array_size_for_constructor): Likewise.
14374 * tree-object-size.c (compute_object_offset): Likewise.
14376 2006-04-02 Roger Sayle <roger@eyesopen.com>
14378 PR middle-end/26977
14379 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14380 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14382 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14384 PR tree-optimization/26939
14385 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14387 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14389 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14390 at_stmt. Convert the type of operands before calling
14391 build_polynomial_chrec.
14392 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14393 add_to_evolution_1.
14394 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14395 (instantiate_parameters_1): Convert the type of operands before calling
14396 build_polynomial_chrec.
14397 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14398 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14399 reset_evolution_in_loop): Insert asserts to check the types of the
14401 (chrec_type): Moved...
14402 (eq_evolutions_p): Use operand_equal_p.
14403 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14404 the types of the operands.
14405 (chrec_type): ...here.
14406 * tree-data-ref.c (create_data_ref): Convert the operands before
14407 calling chrec_replace_initial_condition.
14408 (same_access_functions, analyze_subscript_affine_affine,
14409 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14410 (compute_subscript_distance, analyze_ziv_subscript,
14411 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14412 analyze_miv_subscript): Convert the operands before calling
14413 chrec_fold_minus or chrec_fold_plus.
14415 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14417 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14418 the dependence_relations vector.
14419 (compute_data_dependences_for_loop): Adjust call to
14420 compute_all_dependences.
14422 2006-04-01 Roger Sayle <roger@eyesopen.com>
14423 Richard Henderson <rth@redhat.com>
14425 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14426 gimple_boolify on the condition before calling gimplify_expr.
14428 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14430 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14431 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14432 the frame size. Update to use the new macros.
14433 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14434 * config/xtensa/ieee754-df.S: Likewise.
14436 2006-03-31 Richard Henderson <rth@redhat.com>
14438 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14439 (make_edges): ... here. Control fallthru creation with a local
14440 variable. Do not play with fake edges.
14441 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14442 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14445 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14447 * dwarf2.h (DW64_CIE_ID): Define.
14448 * dwarf2out.c (DWARF_CIE_ID): Define.
14449 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14450 length header. Use DWARF_CIE_ID.
14451 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14452 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14454 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14456 * config/sh/linux-atomic.asm: New file.
14457 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14459 2006-03-31 DJ Delorie <dj@redhat.com>
14461 * config/m32c/cond.md: Set condition flags properly throughout.
14462 * config/m32c/minmax.md: Likewise.
14463 * config/m32c/prologue.md: Likewise.
14464 * config/m32c/bitops.md: Likewise.
14465 * config/m32c/muldiv.md: Likewise.
14466 * config/m32c/mov.md: Likewise.
14467 * config/m32c/addsub.md: Likewise.
14468 * config/m32c/m32c.md: Likewise.
14469 * config/m32c/jump.md: Likewise.
14470 * config/m32c/shift.md: Likewise.
14472 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14473 conditionally output the pattern for this.
14474 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14475 (m32c_compare_redundant): New.
14476 (m32c_output_compare): New.
14477 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14479 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14480 dest, not src. Allow other 4-byte modes.
14482 2006-03-30 Denis Chertykov <denisc@overta.ru>
14484 * doc/md.texi: Refer to avr/constraints.md instead of
14487 2006-03-30 Roger Sayle <roger@eyesopen.com>
14489 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14490 signed vs. unsigned comparison failures on some hosts.
14492 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14495 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14496 change to FLOAT_REGS.
14498 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14499 (rs6000_override_options): Use it.
14500 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14501 only for -mabi=spe/no-spe and -mabi=altivec.
14503 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14505 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14508 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14510 * Makefile.in: Rename docdir to gcc_docdir.
14512 2006-03-30 Roger Sayle <roger@eyesopen.com>
14515 * expr.c (emit_group_store): Optimize group stores into a pseudo
14516 register by using a paradoxical subreg to initialize the destination
14517 if the first or last member of the group specifies a "low part".
14519 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14522 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14523 * target.h (struct gcc_target.speculate_insn): Change type of the
14524 second parameter to 'int'.
14525 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14526 the second operand of the DEPS_LIST.
14527 (copy_DEPS_LIST_list): Update reference to the second operand of the
14529 * rtl.h (alloc_DEPS_LIST): Update signature.
14530 * sched-int.h (ds_t): Change typedef to 'int'.
14531 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14533 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14535 * haifa-sched.c (try_ready): Change condition to restore
14536 non-speculative pattern of the instruction.
14537 (process_insn_depend_be_in_spec): Code to keep probability of the
14538 speculative dependence non-decreasing.
14540 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14542 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14543 (single_move_for_movmem): ... this. Also change all uses.
14544 (bfin_expand_strmov): Renamed to...
14545 (bfin_expand_movmem): ... this. Also change all uses.
14546 * config/bfin/bfin.md (movstrsi): Renamed to...
14547 (movstrsi): ...this.
14549 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14551 PR tree-optimization/26830
14553 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14554 (copy_prop_visit_stmt): Remove write-only variable ann.
14555 (init_copy_prop): Check variable loop depth here. Do not simulate
14556 memory-tag and virtual operand PHIs except for store copy prop.
14558 2006-03-30 Richard Guenther <rguenther@suse.de>
14560 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14561 variants with double arguments.
14563 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14565 * genpreds.c (write_tm_constrs_h): Delete variable p.
14566 * genconditions.c (write_header): Add tm-constrs.h to included
14568 * genpeep.c (main): Add toplev.h to included headers.
14569 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14570 (build/genpeep.o): Add toplev.h dependency.
14571 * config/rs6000/constraints.md: Add "W" constraint.
14573 2006-03-29 Roger Sayle <roger@eyesopen.com>
14575 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14576 sizes by correctly testing whether the size fits a host integer.
14577 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14578 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14579 SImode range for the default sizetype and bitsizetype.
14581 2006-03-29 Roger Sayle <roger@eyesopen.com>
14583 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14584 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14585 quickly if the argument is already of the correct type.
14586 Call fold_build1 instead of build1. Tidy up blank lines.
14588 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14590 * genemit.c (main): Add tm-constrs.h to included headers.
14591 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14592 * genpeep.c (main): Add tm-constrs.h to included headers.
14593 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14594 (write_tm_constrs_h): this and write complete file.
14595 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14596 (write_insn_preds_c): Add tm-constrs.h to included headers.
14597 (gen_constrs): New variable.
14598 (parse_option): Parse "-c".
14599 (main): Invoke write_tm_constrs_h.
14600 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14601 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14602 (object_out_file): Add tm-constrs.h dependency.
14603 (insn-emit.o): Same.
14604 (insn-output.o): Same.
14605 (insn-peep.o): Same.
14606 (insn-preds.o): Same.
14607 (insn-recog.o): Same.
14608 (tm-constsr.h): New target.
14609 (s-constrs-h): New target.
14611 * config/rs6000/constraints.md: New file.
14612 * config/rs6000/rs6000.c: Include tm-constrs.h.
14613 (num_insn_constant_wide): Convert to satisfies_constraint.
14614 (rs6000_rtx_costs): Convert to satisfies_constraint.
14615 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14616 (CONST_OK_FOR_LETTER_P): Delete.
14617 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14618 (EXTRA_CONSTRAINT): Delete.
14619 (EXTRA_MEMORY_CONSTRAINT): Delete.
14620 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14621 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14622 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14623 satisfies_constraint.
14625 * config/i386/i386.c: Include tm-constrs.h.
14627 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14629 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14630 * tree-data-ref.c (find_data_references_in_loop,
14631 compute_data_dependences_for_loop): Use pointers to VEC.
14632 (analyze_all_data_dependences): Adjust calls.
14633 * tree-data-ref.h (find_data_references_in_loop,
14634 compute_data_dependences_for_loop): Adjust declarations.
14635 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14636 compute_data_dependences_for_loop.
14638 2006-03-29 Paul Brook <paul@codesourcery.com>
14640 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14641 (movdf_vfp): Ditto.
14643 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14645 PR tree-optimization/26859
14646 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14648 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14649 for the step after fold_convert.
14651 2006-03-29 Paul Brook <paul@codesourcery.com>
14653 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14654 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14656 2006-03-29 Paul Brook <paul@codesourcery.com>
14658 PR middle-end/23623
14659 * targhooks.c (default_narrow_bitfield): New fuction.
14660 * targhooks.h (default_narrow_bitfield): add prototype.
14661 * target.h (gcc_target): Add narrow_volatile_bitfield.
14662 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14663 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14664 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14665 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14667 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14669 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14671 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14672 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14673 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14674 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14675 (s390_function_arg_float): Allow SDmode and DDmode values to be
14676 passed in floating point registers.
14677 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14678 check with SCALAR_FLOAT_MODE_P.
14679 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14681 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14683 PR tree-optimization/25985
14684 * tree-ssa-loop-niter.c (number_of_iterations_le,
14685 number_of_iterations_ne): Make comments more precise.
14686 (number_of_iterations_cond): Add only_exit argument. Use the
14687 fact that signed variables do not overflow only when only_exit
14689 (loop_only_exit_p): New.
14690 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14691 number_of_iterations_cond.
14693 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14695 PR tree-optimization/26643
14696 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14699 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14701 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14702 (divsi3_i4_int): Likewise.
14704 2006-03-28 Roger Sayle <roger@eyesopen.com>
14706 * expr.c (emit_group_store): Only create a new pseudo reg if the
14707 quantity it needs to hold isn't already a suitable pseudo.
14709 2006-03-28 Jeff Law <law@redhat.com>
14711 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14712 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14714 2006-03-28 Roger Sayle <roger@eyesopen.com>
14716 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14717 the equivalent ~X & Y, and the symmetry related transformations.
14718 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14719 ~X & Y, and symmetry related transforms.
14721 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14723 Revert my 2006-03-27 patches.
14725 2006-03-28 Roger Sayle <roger@eyesopen.com>
14727 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14728 ~(T1)X, when T1 and T2 are integer types of the same precision
14729 and (T2)X isn't an extension.
14731 2006-03-28 Jeff Law <law@redhat.com>
14733 PR tree-optimization/26796
14734 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14735 need EH edge cleanups rather than purging them immediately.
14736 (eliminate_degenerate_phis): Handle queued EH cleanups.
14738 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14740 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14743 2006-03-27 Roger Sayle <roger@eyesopen.com>
14745 PR middle-end/22524
14746 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14747 cast BIT_NOT_EXPR operand to the correct type.
14749 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14751 * tree-loop-linear.c: Don't include varray.h.
14752 (gather_interchange_stats, try_interchange_loops,
14753 linear_transform_loops): Use VEC instead of VARRAY.
14754 * lambda-mat.c: Don't include varray.h.
14755 * tree-chrec.c: Same.
14756 * lambda-trans.c: Same.
14757 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14758 VEC instead of VARRAY.
14759 * tree-vectorizer.h: Idem.
14760 * tree-data-ref.c (dump_data_references,
14761 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14762 initialize_data_dependence_relation, finalize_ddr_dependent,
14763 compute_all_dependences, find_data_references_in_loop,
14764 compute_data_dependences_for_loop, analyze_all_data_dependences,
14765 free_dependence_relation, free_dependence_relations,
14766 free_data_refs): Idem.
14767 * tree-data-ref.h (data_reference_p, subscript_p): New.
14768 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14769 VEC instead of VARRAY.
14770 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14771 (find_data_references_in_loop, compute_data_dependences_for_loop,
14772 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14773 dump_data_dependence_relations, free_dependence_relations,
14774 free_data_refs): Adjust declaration.
14775 (lambda_transform_legal_p): Move declaration here...
14776 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14777 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14778 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14779 vect_analyze_data_refs): Use VEC instead of VARRAY.
14780 * lambda.h (lambda_transform_legal_p): ...from here.
14781 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14782 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14783 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14784 tree-chrec.o): Don't depend on VARRAY_H.
14786 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14788 * rtl.def (Copyright): Update date.
14789 (DEPS_LIST): Change type of the second operand to 'int'.
14790 * target.h (Copyright): Update date.
14791 (struct gcc_target.speculate_insn): Change type of the second parameter
14793 * lists.c (Copyright): Update date.
14794 (alloc_DEPS_LIST): Change signature. Update reference to the second
14795 operand of the DEPS_LIST.
14796 (copy_DEPS_LIST_list): Update reference to the second operand of the
14798 * rtl.h (Copyright): Update date.
14799 (alloc_DEPS_LIST): Update signature.
14800 * sched-int.h (Copyright): Update date.
14801 (ds_t): Change typedef to 'int'.
14802 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14804 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14806 * haifa-sched.c (Copyright): Update date.
14807 (try_ready): Change condition to restore non-speculative pattern
14808 of the instruction.
14809 (process_insn_depend_be_in_spec): Code to keep probability of the
14810 speculative dependence non-decreasing.
14812 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14814 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14815 shut up the compiler.
14817 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14819 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14820 to use lib prefix for target.
14821 ($(T)libic_invalidate_array_4-200.a): Likewise.
14822 ($(T)libic_invalidate_array_4a.a): Likewise.
14824 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14825 J"orn Rennecke <joern.rennecke@st.com>
14827 * superh.opt: New file.
14828 * sh.c (boardtype, osruntime): Remove.
14829 * superh.h (SUBTARGET_OPTIONS): Remove.
14830 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14832 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14833 arguments with ^ and/or [].
14835 * config.gcc (sh-*-*): Add quoting to account for quirk of
14837 Replace == with = in enable_incomplete_targets test.
14839 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14840 with MASK_LITTLE_ENDIAN.
14842 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14843 * config/sh/sh.opt: Added to some comments.
14844 * config/sh/superh.h: Removed some chaff.
14846 * config/sh/sh.opt: Add m4-[1234]00* options.
14847 * config/sh/sh.c (sh_handle_option): Likewise.
14848 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14849 (ic_invalidate_array_4-100.o): New rule.
14850 ($(T)libic_invalidate_array_4-100.a): Likewise.
14851 (ic_invalidate_array_4-200.o): Likewise.
14852 ($(T)libic_invalidate_array_4-200.a): Likewise.
14853 (ic_invalidate_array_4a.o): Likewise.
14854 ($(T)libic_invalidate_array_4a.a): Likewise.
14855 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14856 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14858 * config/sh/crt1.asm: Merged in profiling code.
14859 * config/sh/superh.h (STARTFILE_SPEC): Override.
14860 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14861 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14862 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14864 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14865 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14866 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14868 * sh.opt (mpretend-cmove): New option.
14869 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14870 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14871 (movsicc): Add TARGET_PRETEND_CMOVE code.
14873 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14875 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14876 s390_class_max_nregs): New function prototypes.
14877 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14878 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14879 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14880 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14882 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14884 * dwarf2out.c (add_location_or_const_value_attribute): Call
14885 tree_add_const_value_attribute if nothing else works.
14886 (reference_to_unused): New.
14887 (rtl_for_decl_init): Use reference_to_unused to decide whether
14888 to output an initializer.
14890 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14893 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14894 peephole removing spe frob_di_df_2.
14896 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14898 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14899 (subscript_dependence_tester_1): Declared.
14900 (print_dir_vectors, print_dist_vectors): New.
14901 (debug_data_dependence_relation): New.
14902 (dump_data_dependence_relation): Print more details.
14903 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14904 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14905 (save_dist_v, save_dir_v, add_outer_distances,
14906 build_classic_dist_vector_1): New.
14907 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14908 Don't test for lambda_vector_lexico_pos.
14909 (same_access_functions, add_multivariate_self_dist,
14910 add_other_self_distances, dir_from_dist): New.
14911 (build_classic_dir_vector): Replace implementation almost identical to
14912 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14914 (subscript_dependence_tester_1): New.
14915 (subscript_dependence_tester): Handle the lexicographically negative
14916 distance vectors by recomputing the dependence relation.
14917 (compute_affine_dependence): Remove parameter loop_nest_depth.
14918 (compute_self_dependence): Don't call compute_subscript_distance.
14919 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14920 Add a parameter for the loop_nest.
14921 (find_loop_nest_1, find_loop_nest): New.
14922 (compute_data_dependences_for_loop): Compute the loop nest, and give
14923 up if the nest is not well formed.
14924 * tree-data-ref.h (loop_p): New.
14925 (struct data_dependence_relation): Replace size_vect field with
14926 loop_nest, a vec of loops.
14927 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14928 (DDR_LOOP_NEST): New.
14929 (print_dir_vectors, print_dist_vectors,
14930 debug_data_dependence_relation): Declared.
14931 (index_in_loop_nest): New.
14932 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14933 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14936 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14938 * simplify-rtx.c (simplify_relational_operation): Call
14939 simplify_relational_operation_1 even if mode is VOIDmode.
14941 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14943 PR tree-optimization/26804
14944 * tree.h (DECL_CALL_CLOBBERED): New macro.
14945 (tree_decl_common): Add call_clobbered_flag.
14946 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14947 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14948 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14949 (mark_non_addressable): Ditto.
14950 * tree-ssa.c (verify_call_clobbered): New function.
14951 (verify_alias_info): Use it.
14952 * tree-pass.h (pass_reset_cc_flags): New prototype.
14953 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14954 (reset_cc_flags): New function.
14955 * passes.c (init_optimization_passes): Call reset_cc_flags after
14956 initializing referenced_vars.
14958 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14959 Roger Sayle <roger@eyesopen.com>
14961 PR middle-end/26717
14962 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14963 to 1.0 for non-real operands. Implement A / A optimization for
14966 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14968 * config/i386/i386.c (size_cost): Correct the comment for
14969 cost of storing fp registers.
14970 (i386_cost): Likewise.
14971 (i486_cost): Likewise.
14972 (pentium_cost): Likewise.
14973 (pentiumpro_cost): Likewise.
14974 (k6_cost): Likewise.
14975 (athlon_cost): Likewise.
14976 (k8_cost): Likewise.
14977 (pentium4_cost): Likewise.
14978 (nocona_cost): Likewise.
14979 (generic64_cost): Likewise.
14980 (generic32_cost): Likewise.
14982 2006-03-24 Denis Chertykov <denisc@overta.ru>
14984 * config/avr/avr-protos.h (extra_constraint): Delete.
14985 (extra_constraint_Q): New declaration.
14986 * config/avr/constraints.md: New file.
14987 * config/avr/avr.md: Include it.
14988 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14989 (TMP_REGNO, ZERO_REGNO): Likewise.
14990 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14991 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14992 (extra_constraint): Delete.
14993 (extra_constraint_Q): Test for memory constraint 'Q'.
14994 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14995 (REG_CLASS_FROM_LETTER): Delete.
14996 (CONST_OK_FOR_LETTER_P): Delete.
14997 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14998 (EXTRA_CONSTRAINT): Delete.
14999 (TMP_REGNO): Delete.
15000 (ZERO_REGNO): Delete.
15002 2006-03-24 Jeff Law <law@redhat.com>
15004 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15005 directly. Call mark_new_vars_to_rename slightly earlier.
15007 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15009 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15010 (is_cxx): Likewise.
15011 (gen_compile_unit_die): Use new language types for Objective-C and
15013 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15014 DW_LANG_C_plus_plus.
15017 * config/t-darwin (crt3.o): Work around bug 26840.
15018 * config/darwin-crt3.c: Rewrite.
15019 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15021 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15023 * doc/invoke.texi: Document -femit-class-debug-always
15024 * common.opt: Add -femit-class-debug-always.
15026 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15028 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15029 index and base register.
15030 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15031 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15032 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15033 REGNO_OK_FOR_INDEX_P.
15034 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15036 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15037 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15038 REG_OK_FOR_BASE_P): Definitions removed.
15040 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15042 PR middle-end/26611
15043 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15044 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15045 set yet or weren't marked as local yet.
15047 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15049 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15052 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15054 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15055 (rs6000_legitimate_small_data_p): Delete.
15056 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15057 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15058 and make static. Add forward declaration. Update uses.
15059 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15060 of offsettable_memref_p.
15061 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15062 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15064 2006-03-24 Jeff Law <law@redhat.com>
15066 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15067 around bug in immediate-use iterator.
15069 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15072 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15073 or __LITTLE_ENDIAN__.
15075 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15077 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15078 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15079 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15080 * config/sh/sh.opt (mdiv=): Amend description.
15081 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15082 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15083 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15084 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15085 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15086 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15087 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15088 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15089 TARGET_DIVIDE_CALL_FP.
15091 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15093 * haifa-sched.c (choose_ready): Fix type of the local variable.
15094 Move local variables. Add comment.
15095 (check_reg_live): Change signature. Make callable from debugger.
15096 * sched-int.h (check_reg_live): Update signature.
15097 * sched-ebb.c (check_reg_live): Update parameters.
15098 * sched-rgn.c (check_reg_live): Ditto.
15099 (region_head_or_leaf_p): Check pointer before dereferencing.
15100 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15101 before reload on optimization levels below 1.
15103 2006-03-23 Richard Henderson <rth@redhat.com>
15105 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15109 * config/alpha/predicates.md (local_symbolic_operand): Reject
15112 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15115 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15116 expressions which have overflowed constants.
15118 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15120 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15122 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15124 * cfgloopmanip.c (create_loop_notes): Removed.
15125 * final.c (final_scan_insn): Do not handle loop notes.
15126 * jump.c (squeeze_notes): Ditto.
15127 * cfglayout.c (skip_insns_after_block,
15128 duplicate_insn_chain): Ditto.
15129 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15131 * cfgloop.h (create_loop_notes): Declaration removed.
15133 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15135 * varasm.c (output_constant_pool): Restore fnname and fndecl
15137 (assemble_start_function): Adjust call accordingly.
15138 (assemble_end_function): Likewise.
15140 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15143 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15146 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15148 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15151 * system.h (ICE_EXIT_CODE): New macro.
15152 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15153 (diagnostic_action_after_output): Likewise.
15154 * gcc.c (fatal_ice): New function.
15155 (execute): Use it instead of fatal.
15156 (fancy_abort): Likewise.
15157 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15159 2006-03-22 Jeff Law <law@redhat.com>
15161 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15162 iv_analyze_result returning false.
15164 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15166 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15168 2006-03-22 Richard Henderson <rth@redhat.com>
15170 PR middle-end/26084
15171 * except.c (duplicate_eh_regions_0): New.
15172 (duplicate_eh_region_1): Duplicate the children of the node as
15173 well as the node itself. Link them up properly.
15174 (duplicate_eh_region_2): Merge into ...
15175 (duplicate_eh_regions): ... here. Take copy_region argument, and
15176 copy only a sub-tree if asked. Simplify copying and fixup.
15177 (eh_region_outer_p): New.
15178 * except.h (duplicate_eh_regions): Update decl.
15179 (eh_region_outer_p): Declare.
15180 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15181 (lower_omp_master): Likewise.
15182 (lower_omp_ordered): Likewise.
15183 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15184 (move_stmt_r): Use it to remap labels. Handle recursion vs
15185 remap_decls_p properly.
15186 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15187 (find_outermost_region_in_block): New.
15188 (new_label_mapper): New.
15189 (move_sese_region_to_fn): Copy eh information to the new function
15191 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15193 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15196 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15198 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15199 into shared libraries.
15201 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15203 * doc/md.texi: Refer to i386/constraints.md instead of
15204 i386/predicates.md.
15205 * config/i386/constraints.md: New file, extracted from...
15206 * config/i386/predicates.md: ...here.
15207 * config/i386/i386.md: Include constraints.md.
15209 2006-03-21 Jason Merrill <jason@redhat.com>
15211 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15213 PR middle-end/20297
15214 * expr.c (init_block_move_fn): Force default visibility.
15215 (init_block_clear_fn): Likewise.
15216 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15217 * targhooks.c (default_external_stack_protect_fail): Likewise.
15219 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15221 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15222 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15223 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15224 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15225 (loadgp): Use mips_current_loadgp_style.
15226 (loadgp_noshared): New pattern.
15227 (sibcall_internal): Use MIPS_CALL.
15228 (sibcall_value_internal): Likewise.
15229 (sibcall_value_multiple_internal): Likewise.
15230 (call_internal): Likewise.
15231 (call_value_internal): Likewise.
15232 (call_value_multiple_internal): Likewise.
15233 (call_split): Use MIPS_CALL and add an 'S' constraint.
15234 (call_value_split): Likewise.
15235 (call_value_multiple_split): Likewise.
15236 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15237 (-mshared): New option.
15238 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15239 (mips_current_loadgp_style): Declare.
15240 * config/mips/mips.c (mips_classify_symbol): Avoid using
15241 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15242 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15243 TARGET_ABSOLUTE_ABICALLS.
15244 (override_options): Adjust comments. Improve the warning that is
15245 issued when -mabicalls and -G are used together.
15246 (mips_file_start): Remove comment.
15247 (mips_current_loadgp_style): New function.
15248 (mips_gnu_local_gp): New variable.
15249 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15251 (mips_output_function_prologue): Use mips_current_laodgp_style.
15252 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15253 the cprestore instruction.
15254 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15255 live for TARGET_ABSOLUTE_ABICALLS.
15256 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15257 (ASM_SPEC): Pass down -mshared and -mno-shared.
15258 (MIPS_CALL): New macro.
15259 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15261 * doc/invoke.texi (-mabicalls): Update documentation.
15262 (-mshared): Document.
15264 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15266 * config/ia64/unwind-hpux.c: New file.
15267 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15269 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15272 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15274 2006-03-21 Jeff Law <law@redhat.com>
15276 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15277 type conversions of a VR_VARYING source to a wider type.
15279 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15281 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15282 tm_file on Solaris 10 and later.
15283 (sparc64-*-solaris2*): Likewise.
15284 (sparc-*-solaris2*): Likewise.
15285 * config/sol26.h: Rename to config/sol2-6.h.
15286 * config/sol2-10.h: New file.
15288 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15291 * tree-ssa-pre.c (create_component_ref_by_pieces):
15294 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15297 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15298 return it immediately.
15300 2006-03-21 Michael Matz <matz@suse.de>
15302 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15304 (remove_arc, add_arc): Update num_out_arcs member.
15305 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15307 (cache_presence): New function.
15308 (compare_states_for_equiv): New function.
15309 (state_is_differed): Don't take number of outargs, adjust callers.
15310 Use new invariant for speeding up.
15311 (init_equiv_class): Create initial classes based on sorted
15313 (partition_equiv_class): Don't track out_arcs_num.
15314 (evaluate_equiv_classes): Call cache_presence on all states and
15317 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15319 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15320 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15321 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15322 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15324 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15325 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15326 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15327 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15328 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15330 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15331 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15332 (REGNO_REG_CLASS): ARGP is in PREGS.
15333 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15335 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15336 to deal with those addresses.
15337 * addresses.h: New file.
15338 * caller-save.c: Include "addresses.h".
15339 (init_caller_save): Use new base_reg_class function.
15340 * rtl-factoring.c: Include "addresses.h".
15341 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15342 * recog.c: Include "addresses.h".
15343 (preprocess_constraints): Use new base_reg_class function.
15344 * regrename.c: Include "addresses.h".
15345 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15346 functions. Keep track of a new var INDEX_CODE to compute valid
15348 (replace_oldest_value_addr): Likewise.
15349 (replace_oldest_value_mem): Use base_reg_class.
15350 * reload.c: Include "addresses.h".
15351 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15352 (find_reloads): Use new base_reg_class function.
15353 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15354 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15355 all callers and prototype changed.
15356 * reload1.c: Include "addresses.h".
15357 (maybe_fix_stack_asms): Use base_reg_class.
15358 * regclass.c: Include "addresses.h".
15359 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15360 (init_reg_autoinc): Use new base_reg_class function.
15361 (record_reg_classes): Likewise.
15362 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15363 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15364 Use new args to compute necessary class.
15366 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15367 regrename.o, rtl-factoring.o): Update dependencies.
15368 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15369 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15370 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15371 REG_OK_FOR_INDEX_P): Delete documentation.
15373 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15375 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15376 from V7 to V9 for Solaris 7 and above.
15378 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15380 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15381 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15382 argument pointers may not alias any other storage.
15383 * common.opt: Define option -fargument-noalias-anything.
15384 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15385 alias semantics is specified by flag_argument_noalias > 2.
15387 2006-03-20 Jeff Law <law@redhat.com>
15389 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15390 (pass_phi_only_cprop): Declare.
15391 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15392 with phi_only_cprop
15393 * tree-ssa-dom.c (degenerate_phi_result): New function.
15394 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15395 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15396 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15397 (eliminate_degenerate_phis): Likewise.
15398 (pass_phi_only_cprop): New pass descriptor.
15399 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15400 support code. Callers updated.
15401 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15402 (store_copy_prop): Likewise.
15403 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15405 2006-03-20 Jason Merrill <jason@redhat.com>
15408 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15409 (push_visibility, pop_visibility): Likewise.
15410 * c-pragma.h: Declare them.
15412 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15414 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15416 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15417 parameter and use get_ebb_head_tail.
15418 (sh_md_init_global): Adjust uses of find_regmode_weight.
15420 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15422 * function.h (struct function) <x_tail_recursion_reentry>:
15423 Rename to x_stack_check_probe_note.
15424 (tail_recursion_reentry): Rename to stack_check_probe_note.
15425 * function.c: Replace tail_recursion_reentry with
15426 stack_check_probe_note everywhere.
15427 (expand_function_start): Only emit a note for
15428 stack_check_probe_note with -fstack-protect.
15429 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15431 * emit-rtl.c (remove_unnecessary_notes): Remove.
15432 (pass_remove_unnecessary_notes): Remove.
15433 * rtl.h (remove_unnecessary_notes): Remove prototype.
15434 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15435 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15436 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15438 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15441 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15442 (valid_in_set): Handle ARRAY_REF.
15443 Change "if min_variant or VH" to asserts.
15444 (create_component_ref_by_pieces): Handle ARRAY_REF.
15445 (create_expression_by_pieces): Likewise.
15446 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15448 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15450 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15451 is operand of switch, not str[0].
15453 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15455 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15456 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15458 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15460 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15461 end of insn_extra_address_constraint declaration.
15463 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15465 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15466 (no-sum-in-toc): Same.
15467 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15469 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15470 NO_FP_IN_TOC for -fPIC instead of mask.
15472 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15473 (BOOT_LDFLAGS): Delete.
15475 * config/rs6000/t-aix52: Same.
15477 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15478 (stmsi[345678]_power): New.
15480 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15482 * config/ia64/ia64.opt: Add empty line to end of file.
15484 2006-03-17 Richard Guenther <rguenther@suse.de>
15486 PR middle-end/26721
15487 * builtins.c (get_pointer_alignment): For component style references
15488 adjust alignment to the component type alignment. Make sure
15489 to adjust alignment for component access of constants.
15491 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15493 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15494 unconditional jump.
15496 2006-03-17 Paul Brook <paul@codesourcery.com>
15498 * doc/install.texi: Docuemnt --with-mode.
15499 * config.gcc: Add --with-mode for arm*-*-*.
15500 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15502 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15504 * sh.c (max_labelno_before_reorg): New variable.
15505 (sh_reorg): Initialize it.
15506 (find_barrier): Check max_labelno_before_reorg before using
15507 label_to_alignment. Take length of explicit alignment insns
15508 into account. When seeing a UNSPECV_CONST_END, return it.
15510 * sh.c (fixup_mova): Set mode of affected label to QImode.
15511 (untangle_mova): New function.
15512 (find_barrier): Use it. Check mode of label before decrementing
15514 (sh_reorg): Likewise.
15515 Set mode of all insns back to VOIDmode.
15517 * sh.c (MOVA_LABELREF): New macro.
15518 (mova_p, fixup_mova, sh_reorg): Use it.
15519 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15520 ADDR_DIFF_VEC matches mova.
15522 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15524 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15525 with ATTRIBUTE_UNUSED.
15527 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15529 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15530 pointer, instead of assuming it is possible to derive the
15531 correct args size from a call insn.
15533 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15535 * rtl.h (CONST_INT_P): Define.
15536 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15537 instead of GET_CODE(x) == CONST_INT.
15538 (vax_rtx_costs): Likewise.
15539 (vax_output_int_move): Likewise.
15540 (vax_output_int_add): Likewise.
15541 (legitimate_constant_address_p): Likewise.
15542 (index_term_p): Likewise.
15543 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15544 * config/vax/vax.md (and<mode>3): Likewise.
15545 (ashrsi3): Likewise.
15547 (movstricthi): Likewise.
15548 (movstrictqi): Likewise.
15549 (rotrsi3): Likewise.
15550 (five unnamed insns): Likewise.
15552 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15554 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15555 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15556 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15557 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15558 Pass to ASM_OUTPUT_DWARF_OFFSET.
15559 * dwarf2out.c (debug_frame_section): New.
15560 (output_call_frame_info): Use debug_frame_section. Pass it to
15561 dw2_asm_output_offset.
15562 (output_die): Pass appropriate section to dw2_asm_output_offset.
15563 (output_compilation_unit_header): Likewise.
15564 (output_pubnames): Likewise.
15565 (output_aranges): Likewise.
15566 (enum dw_val_class): Break dw_val_class_lbl_offset into
15567 dw_val_class_lineptr and dw_val_class_macptr.
15568 (add_AT_lbl_offset): Delete.
15569 (add_AT_lineptr): New.
15570 (add_AT_macptr): New.
15571 (AT_lbl): Expect a lineptr or macptr.
15572 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15573 (attr_checksum): Likewise.
15574 (same_dw_val_p): Likewise.
15575 (size_of_die): Likewise.
15576 (value_format): Likewise.
15577 (output_die): Likewise.
15578 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15580 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15581 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15582 * config/darwin-protos.h (darwin_file_start): New.
15583 (darwin_asm_output_dwarf_offset): New.
15584 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15585 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15587 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15588 if not EH section; simplify.
15589 (darwin_file_start): New.
15590 (darwin_asm_output_dwarf_offset): New.
15591 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15593 (DEBUG_INFO_SECTION): Likewise.
15594 (DEBUG_ABBREV_SECTION): Likewise.
15595 (DEBUG_ARANGES_SECTION): Likewise.
15596 (DEBUG_MACINFO_SECTION): Likewise.
15597 (DEBUG_LINE_SECTION): Likewise.
15598 (DEBUG_LOC_SECTION): Likewise.
15599 (DEBUG_PUBNAMES_SECTION): Likewise.
15600 (DEBUG_STR_SECTION): Likewise.
15601 (DEBUG_RANGES_SECTION): Likewise.
15602 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15603 (ASM_OUTPUT_DWARF_OFFSET): New.
15605 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15607 * config.gcc (tm_defines): Always add to previous value rather
15610 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15612 * config/mips/predicates.md (splittable_const_int_operand): New,
15613 split from move_operand.
15614 (splittable_symbolic_operand): New.
15615 (move_operand): Add commentary. Use splittable_const_int_operand.
15616 Inline mips_atomic_symbolic_constant_p.
15617 * config/mips/mips.md: Add combine splitters for handling moves
15618 of splittable_const_int_operands and splittable_symbolic_operands.
15619 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15620 (mips_split_symbol): Declare.
15621 (mips_move_integer): Declare.
15622 * config/mips/mips.c (mips_split_p): Make global.
15623 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15624 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15625 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15626 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15627 (mips_offset_within_object_p): Handle block symbols.
15628 (mips_atomic_symbolic_constant_p): Delete.
15629 (mips_cannot_force_const_mem): Return false for constants that
15630 mips_legitimize_move can handle.
15631 (mips_use_blocks_for_constant_p): New function.
15632 (mips_split_symbol): Make global.
15633 (mips_move_integer): Likewise. Add a temporary register argument.
15634 (mips_legitimize_const_move): Use splittable_const_int_operand and
15635 splittable_symbolic_operand.
15636 (mips_use_anchors_for_symbol_p): New function.
15637 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15638 (mips_split_p): Declare.
15640 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15642 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15643 (mips*-*-linux*): Likewise.
15645 2006-03-16 Roger Sayle <roger@eyesopen.com>
15646 Daniel Speyer <dspeyer@wam.umd.edu>
15648 PR middle-end/18259
15649 * tree-dump.c (dump_real): New function.
15650 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15651 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15652 (tree-dump.o): Add $(REAL_H) to the dependencies.
15654 2006-03-16 Roger Sayle <roger@eyesopen.com>
15656 PR middle-end/21781
15657 * real.c (real_from_string): If the mantissa is zero, don't bother
15658 parsing the exponent as the result should always be zero.
15660 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15662 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15664 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15666 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15667 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15668 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15669 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15670 ia64_sched_finish_global): New static functions to implement
15671 hooks from gcc_target.sched.
15672 (spec_check_no, max_uid, pending_data_specs): New static variables.
15673 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15674 ia64_spec_check_src_p): New static functions.
15675 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15676 (TARGET_SCHED_ADJUST_COST): Removed.
15677 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15678 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15679 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15680 TARGET_SCHED_GEN_CHECK,
15681 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15682 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15683 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15684 Fixed to handle speculation checks.
15685 (rtx_needs_barrier): Fixed to handle speculative loads and
15687 (ia64_variable_issue): Added code to count speculative loads and their
15689 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15691 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15693 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15695 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15696 (ia64_reorg): Reset stops_p to NULL after it is freed.
15697 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15698 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15699 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15701 (data_speculative, control_speculative, check_load): New attributes.
15702 (mov<mode>_advanced, mov<mode>_speculative,
15703 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15704 zero_extend<mode>di2_speculative,
15705 zero_extend<mode>di2_speculative_advanced): New patterns for
15706 data and control speculative loads.
15707 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15709 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15710 New pattern for data and control speculation checks.
15711 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15712 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15713 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15714 Auxiliary definitions for the patterns.
15715 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15716 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15718 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15720 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15721 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15722 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15723 New resource constraints.
15724 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15726 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15727 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15728 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15729 msched-in-control-spec, msched-ldc, msched-control-ldc,
15730 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15731 msched-prefer-non-control-spec-insns,
15732 msched-count-spec-in-critical-path): New flags to tune speculative
15734 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15735 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15736 msched-in-control-spec, msched-ldc, msched-control-ldc,
15737 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15738 msched-prefer-non-control-spec-insns,
15739 msched-count-spec-in-critical-path): Document new flags.
15741 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15743 * target.h (struct spec_info_def): New opaque declaration.
15744 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15745 speculate_insn, needs_block_p, gen_check,
15746 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15747 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15748 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15749 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15750 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15751 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15753 (TARGET_SCHED): Use new macros.
15754 * rtl.h (copy_DEPS_LIST_list): New prototype.
15755 * sched-int.h (struct sched_info): Change signature of new_ready field,
15756 adjust all initializations. New fields: add_remove_insn,
15757 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15758 region_head_or_leaf_p.
15759 (struct spec_info_def): New structure declaration.
15760 (spec_info_t): New typedef.
15761 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15762 recovery_block, orig_pat.
15763 (glat_start, glat_end): New variables declaraions.
15764 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15766 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15767 DETACH_LIFE_INFO, USE_GLAT.
15768 (enum SPEC_SCHED_FLAGS): New enumeration.
15769 (NOTE_NOTE_BB_P): New macro.
15770 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15771 attach_life_info, debug_spec_status, check_reg_live): New functions.
15772 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15773 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15775 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15776 * ddg.c (get_block_head_tail): Adjust all uses.
15777 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15778 (sms_sched_info): Initialize new fields.
15779 (contributes_to_priority): Removed.
15780 * haifa-sched.c (params.h): New include.
15781 (get_block_head_tail): Adjust all uses.
15782 (ISSUE_POINTS): New macro.
15783 (glat_start, glat_end): New global variables.
15784 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15785 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15786 old_last_basic_block, before_recovery, current_sched_info_var,
15787 rgn_n_insns, luid): New static variables.
15788 (insn_cost1): New function. Move logic from insn_cost to here.
15789 (find_insn_reg_weight1): New function. Move logic from
15790 find_insn_reg_weight to here.
15791 (reemit_notes, move_insn, max_issue): Change signature.
15792 (move_insn1): Removed.
15793 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15794 extend_bb): New static functions to support extension of scheduler's
15796 (generate_recovery_code, process_insn_depend_be_in_spec,
15797 begin_speculative_block, add_to_speculative_block,
15798 init_before_recovery, create_recovery_block, create_check_block_twin,
15799 fix_recovery_deps): New static functions to support
15800 generation of recovery code.
15801 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15802 restore_bb_notes, move_block_after_check, move_succs): New static
15803 functions to support ebb scheduling.
15804 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15805 functions to support handling of register live information.
15806 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15807 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15808 add_jump_dependencies): New static functions.
15809 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15810 consistancy checking.
15811 (debug_spec_status): New function to call from debugger.
15812 (priority): Added code to handle speculation checks.
15813 (rank_for_schedule): Added code to distinguish speculative instructions.
15814 (schedule_insn): Added code to handle speculation checks.
15815 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15816 Fixed to handle ebbs.
15817 (move_insn): Added code to handle ebb scheduling.
15818 (max_issue): Added code to use ISSUE_POINTS of instructions.
15819 (choose_ready): Added code to choose between speculative and
15820 non-speculative instructions.
15821 (schedule_block): Added code to handle ebb scheduling and scheduling of
15822 speculative instructions.
15823 (sched_init): Initialize new variables.
15824 (sched_finish): Free new variables. Print statistics.
15825 (try_ready): Added code to handle speculative instructions.
15826 * lists.c (copy_DEPS_LIST_list): New function.
15827 * sched-deps.c (extend_dependency_caches): New function. Move logic
15828 from create_dependency_caches to here.
15829 (get_dep_weak, ds_merge): Make global.
15830 * genattr.c (main): Code to output prototype for
15831 dfa_clear_single_insn_cache.
15832 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15833 (output_dfa_clean_insn_cache_func): Code to output
15834 dfa_clear_single_insn_cache function.
15835 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15837 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15839 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15840 New static variables.
15841 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15842 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15844 (ebb_sched_info): Initialize new fields.
15845 (get_block_head_tail): Adjust all uses.
15846 (compute_jump_reg_dependencies): Fixed to use glat_start.
15847 (schedule_ebb): Code to remove unreachable last block.
15848 (schedule_ebbs): Added code to update register live information.
15849 * sched-rgn.c (region_sched_info): Initialize new fields.
15850 (get_block_head_tail): Adjust all uses.
15851 (last_was_jump): Removed. Adjust users.
15852 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15853 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15854 Implement new hooks.
15855 (check_dead_notes1): New static function.
15856 (struct region): New fields: dont_calc_deps, has_real_ebb.
15857 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15858 (BB_TO_BLOCK): Fixed to handle EBBs.
15859 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15860 (ebb_head): New static variable.
15861 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15862 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15864 (compute_dom_prob_ps): New assertion.
15865 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15866 global_live_at_start.
15867 (init_ready_list): New assertions.
15868 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15869 (new_ready): Add support for BEGIN_CONTROL speculation.
15870 (schedule_insns): Fixed code that updates register live information
15872 (schedule_region): Fixed to handle EBBs.
15873 (init_regions): Use extend_regions and check_dead_notes1.
15874 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15875 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15876 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15877 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15878 TARGET_SCHED_GEN_CHECK,
15879 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15880 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15881 * doc/invoke.texi (max-sched-insn-conflict-delay,
15882 sched-spec-prob-cutoff): Document.
15884 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15886 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15887 inter_tick, queue_index.
15888 (struct sched_info): Change signature of init_ready_list field.
15889 Adjust all initializations.
15890 (RESOLVED_DEPS): New access macro.
15891 (ready_add): Remove prototype.
15892 (try_ready): Add prototype.
15893 * sched-rgn.c (init_ready_list): Use try_ready.
15894 (schedule_region): Initialize
15895 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15896 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15897 (init_ready_list): Use try_ready.
15898 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15899 * lists.c (remove_list_elem): Remove `static'.
15900 (remove_free_INSN_LIST_elem): New function.
15901 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15902 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15903 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15905 (readyp): New variable.
15906 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15907 change_queue_index, resolve_dep): New static functions.
15908 (try_ready): New function. Adjust callers in sched-rgn.c and
15909 sched-ebb.c to use it instead of ready_add.
15910 (clock_var): Move at the begining of file.
15911 (rank_for_schedule): Fix typo.
15912 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15913 (ready_lastpos): Enforce assertion.
15914 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15915 update all callers.
15916 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15917 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15918 (queue_to_ready): Use free_INSN_LIST_list.
15919 (early_queue_to_ready): Fix typo.
15920 (schedule_block): Init readyp. Move init_ready_list call after the
15921 initialization of clock_var. Fix error in rejecting insn by
15922 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15923 that previously corrected INSN_TICKs. Add code for handling
15925 (set_priorities): Fix typo.
15926 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15927 Clarify comment and code that keeps current_sched_info->next_tail
15930 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15932 * sched-rgn.c (extend_rgns): New static function.
15933 (find_rgns): Use it.
15934 (gather_region_statistics, print_region_statistics): New static
15936 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15937 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15939 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15940 Andrey Belevantsev <abel@ispras.ru>
15942 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15943 * lists.c (unused_deps_list): New variable.
15944 (free_list): Add assertions to verify the proper distinguishing
15945 between INSN_LISTs and DEPS_LISTs.
15946 (find_list_elem, remove_list_elem, remove_list_node): New static
15948 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15949 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15950 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15951 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15953 (free_INSN_LIST_node): Likewise.
15954 * modulo-sched.c (current_sched_info): Initialize flags field.
15955 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15956 * rtl.def (DEPS_LIST): Define.
15957 * rtl.h: Declare new functions from lists.c.
15958 * sched-deps.c (spec_dependency_cache): New static variable.
15959 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15960 (add_dependence): Change return type to void. Move the logic to ...
15961 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15962 (delete_all_dependences): Add comment about forward_dependency_cache.
15963 Handle spec_dependency_cache. Handle DEPS_LISTs.
15964 (fixup_sched_groups): Clarify the change of priority of output
15965 and anti dependencies.
15966 (sched_analyze_2): Adjust add_dependence calls to create data
15967 speculative dependence.
15968 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15969 Adjust all callers. Handle DEPS_LISTS.
15970 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15971 presence of speculation.
15972 (init_dependency_caches, free_dependency_caches):
15973 Handle spec_dependency_cache.
15974 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15975 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15976 New static functions.
15977 (add_or_update_back_dep, add_or_update_back_forw_dep,
15978 add_back_forw_dep, delete_back_forw_dep): New functions.
15979 * sched-int.h (ds_t, dw_t): New typedefs.
15980 (struct sched_info): Add new field flags.
15981 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15982 Prototype new sched-deps.c functions.
15983 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15984 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15985 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15986 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15987 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15988 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15990 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15992 * sched-rgn.c (current_sched_info): Initialize flags field.
15993 (schedule_insns): Initialize current_sched_info before the sched_init
15995 * sched-ebb.c (current_sched_info): Initialize flags field.
15996 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15997 Call add_or_update_back_dep instead of add_dependence.
15998 Create control speculative dependencies.
15999 (schedule_insns): Initialize current_sched_info before the sched_init
16002 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16004 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16006 (sh_fallback_frame_state): Likewise.
16008 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16010 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16011 Do switch on default_use_cxa_atexit.
16012 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16013 * config/darwin-crt3.o: New.
16014 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16015 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16016 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16018 * config/rs6000/t-darwin: Move crt2.o building to here.
16019 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16020 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16023 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16025 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16026 from '! xxx' to '!xxx' for coding-style conformance.
16027 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16028 (EXTRA_CONSTRAINT): Likewise.
16029 * config/vax/vax.md (four unnamed insns): Likewise.
16031 2006-03-15 Paul Brook <paul@codesourcery.com>
16033 * config/arm/arm.c (minipool_pad): New.
16034 (add_minipool_forward_ref): Include pool alignment padding in address
16036 (push_minipool_fix): Set minipool_pad.
16037 (minipool_pad): Ditto.
16039 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16041 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16042 instead of GET_CODE() == MEM and REG_P() instead of
16044 (print_operand_address): Likewise.
16045 (vax_address_cost): Likewise.
16046 (vax_rtx_costs): Likewise.
16047 (vax_notice_update_cc): Likewise.
16048 (vax_output_int_add): Likewise.
16049 (INDEX_REGISTER_P): Likewise.
16050 (BASE_REGISTER_P): Likewise.
16051 (nonindexed_address_p): Likewise.
16052 (vax_mode_dependent_address_p): Likewise.
16053 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16054 (PRINT_OPERAND): Likewise.
16055 * config/vax/vax.md (ashlsi3): Likewise.
16056 (ashlsi3): Likewise.
16057 (some more unnamed insns): Likewise.
16059 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16061 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16062 iterator-style macro.
16063 (mark_control_dependent_edges_necessary): Update the use of
16064 EXECUTE_IF_CONTROL_DEPENDENT.
16066 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16068 * config/sh/predicates.md (cache_address_operand): Special.
16069 (ua_address_operand): Likewise.
16071 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16073 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16075 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16077 2006-03-15 Andreas Schwab <schwab@suse.de>
16079 * gensupport.c (identify_predicable_attribute): Don't free p_false
16080 when it is still in use.
16082 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16084 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16085 the default setting here.
16087 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16089 * tree-pass.h (pass_cfg): Remove.
16090 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16091 * passes.c (pass_cfg): Don't run it.
16093 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16095 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16096 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16098 (stack_regs_mentioned): Update the uses of
16099 stack_regs_mentioned_data. Don't access the array beyond its
16101 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16102 Don't include gt-reg-stack.h.
16104 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16105 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16107 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16109 PR middle-end/26684
16110 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16113 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16115 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16117 2006-03-14 Richard Guenther <rguenther@suse.de>
16119 PR tree-optimization/26672
16120 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16123 2006-03-14 Richard Guenther <rguenther@suse.de>
16125 PR tree-optimization/26667
16126 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16127 node for the callees. Always allow inlining if it will shrink
16130 2006-03-14 Richard Guenther <rguenther@suse.de>
16132 PR middle-end/26659
16133 * builtins.c (get_pointer_alignment): Prefer alignment
16134 information from decls over that from types.
16136 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16139 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16141 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16143 * config/rs6000/rs6000.opt (mdlmzb): New option.
16144 (msched-prolog, msched-epilog): Use Var not Mask.
16145 * doc/invoke.texi (-mdlmzb): Document.
16146 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16148 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16149 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16151 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16153 PR rtl-optimization/25739
16154 * bt-load.c (augment_live_range): Free tos pointer.
16156 * gensupport.c (identify_predicable_attribute): Free
16158 * gcov.c (create_file_names): Free name pointer.
16160 2006-03-13 Roger Sayle <roger@eyesopen.com>
16162 PR middle-end/26557
16163 * stmt.c (emit_case_nodes): Handle the case where the index is a
16164 CONST_INT, where the comparison mode is specified by the index type.
16166 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16168 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16171 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16173 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16174 (*branch_fp_inverted): Likewise.
16176 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16178 PR middle-end/25989
16179 * omp-low.c (expand_omp_for_generic): Mark istart0
16180 and iend0 as addressable.
16182 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16184 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16186 2006-03-13 Jeff Law <law@redhat.com>
16188 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16189 virtual operands are interesting.
16190 (vrp_visit_stmt): Corresponding changes.
16192 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16194 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16196 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16197 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16198 * config/bfin/crti.S: Use it instead of __PIC__.
16199 * config/bfin/crtn.S: Likewise.
16201 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16202 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16204 Lose 'G' modifier for call operand.
16205 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16206 recognize 'G' modifier.
16208 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16210 PR middle-end/18859
16211 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16212 * stmt.c (expand_case): Likewise.
16214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16216 PR rtl-optimization/26254
16217 * loop-invariant.c (seq_insns_valid_p): New function.
16218 (move_invariant_reg): Only emit new code if it is valid.
16220 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16222 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16224 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16225 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16226 (commit_one_edge_insertion): Do not look for loop notes.
16228 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16230 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16231 flag_test_coverage out of loop.
16233 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16235 * final.c (shorten_branches): Remove outdated comment, and turn
16236 the if branch that guards it to continue.
16238 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16240 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16241 * cfgloop.h (struct loop): Remove unused fields.
16243 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16245 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16246 (-dL, -fdump-rtl-loop2): Update the dump file names
16248 * doc/invoke.texi: Update dump file names.
16250 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16252 * predict.c (estimate_probability): Remove.
16253 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16254 * basic-block.h (estimate_probability): Remove prototype.
16255 * passes.c (finish_optimization_passes): Dump branch prediction or
16256 profiling heuristics to the .profile tree dump.
16257 (init_optimization_passes): Unqueue pass_branch_prob.
16259 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16261 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16263 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16264 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16266 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16268 * function.h (frame_offset_overflow): Declare.
16269 * function.c (frame_offset_overflow): New function.
16270 (assign_stack_local_1): Call it to detect that the offset overflows.
16271 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16273 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16275 * config/sh/sh.c: Include alloc-pool.h.
16276 (label_ref_list_pool): New alloc pool.
16277 (label_ref_list_t): New type for lists of labels.
16278 (struct pool_node): Make wend a label_ref_list_t.
16279 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16281 (dump_table): Likewise.
16282 (sh_reorg): Set up the alloc pool before using add_constant and
16283 dump_table, and destroy it when finishing.
16285 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16287 * config/mips/mips.c: Remove redundant comment.
16289 2006-03-10 Jason Merrill <jason@redhat.com>
16292 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16293 the target was declared 'register'.
16295 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16297 * genpreds.c (write_insn_constraint_len): Change definition of
16298 insn_constraint_len to return size_t to match the declaration.
16300 2006-03-10 DJ Delorie <dj@redhat.com>
16302 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16304 (m32c_expand_insv): Fix test for an AND mask.
16306 2006-03-10 Richard Guenther <rguenther@suse.de>
16308 PR middle-end/26565
16309 * builtins.c (get_pointer_alignment): Handle component
16310 references for field alignment.
16312 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16314 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16315 when building with libgloss.
16316 (sh*elf): Implement --without-fp option.
16317 (sh64-superh-linux*): Don't multilib.
16319 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16321 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16323 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16325 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16326 Set it when one of the replacement functions returned true.
16327 Return TODO_cleanup_cfg if cfgchanged is true.
16328 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16330 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16332 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16333 instead of gen_lowpart.
16335 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16337 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16339 (mips_output_order_conditional_branch): Declare.
16340 * config/mips/mips.h (MIPS_BRANCH): New macro.
16341 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16342 for the comparison. Use gen_condjump.
16343 (mips_output_conditional_branch): Rework interface to take the
16344 asm templates for a direct branch and the inverse of a direct branch.
16345 (mips_output_order_conditional_branch): New function.
16346 (mips_builtin_branch_and_move): New function.
16347 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16348 branch condition. Use gen_single_cc as the condition for
16349 __builtin_mips_upper_* or __builtin_mips_lower_*.
16350 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16351 Use VOIDmode for the branch condition.
16352 * config/mips/predicates.md (order_operator): New predicate.
16353 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16354 (branch_fp): Rename to...
16355 (*branch_fp): ...this. Remove mode from comparison operator.
16356 Use new mips_output_conditional_branch interface.
16357 (branch_fp_inverted): Rename to...
16358 (*branch_fp_inverted): ...this and update as for *branch_fp.
16359 (*branch_zero<mode>): Rename to...
16360 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16361 Use mips_output_order_conditional_branch. Only accept ordered
16363 (*branch_zero<mode>_inverted): Rename to...
16364 (*branch_order<mode>_inverted): ...this and update as for
16365 *branch_order<mode>.
16366 (*branch_equality<mode>): Accept zero as the second operand to
16367 the equality operator. Use the new mips_output_conditional_branch
16369 (*branch_equality<mode>_inverted): Likewise.
16370 (condjump): New expander.
16371 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16373 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16374 (bc1any2t, bc1any2f): Likewise.
16375 (single_cc): New expander.
16376 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16378 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16380 * doc/md.texi: Update documentation of MIPS constraints.
16381 * config/mips/constraints.md: New file.
16382 * config/mips/mips.md: Include it.
16383 * config/mips/mips.c (mips_char_to_class): Delete.
16384 (override_options): Don't initialize mips_char_to_class.
16385 * config/mips/mips.h (mips_char_to_class): Delete.
16386 (REG_CLASS_FROM_LETTER): Delete.
16387 (CONST_OK_FOR_LETTER_P): Delete.
16388 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16389 (EXTRA_CONSTRAINT_Y): Delete.
16390 (EXTRA_CONSTRAINT_STR): Delete.
16391 (CONSTRAINT_LEN): Delete.
16392 (EXTRA_MEMORY_CONSTRAINT): Delete.
16394 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16396 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16397 original fn's eh regions.
16399 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16401 * fold-const.c (build_range_check): Make sure to use a valid type to
16402 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16405 (range_predecessor): New static function.
16406 (range_successor): Likewise.
16407 (merge_ranges): Use them to compute predecessors and successors of
16410 2006-03-09 Roger Sayle <roger@eyesopen.com>
16412 PR middle-end/26561
16413 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16414 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16416 2006-03-08 DJ Delorie <dj@redhat.com>
16418 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16419 (addpsi3): Expand to include memory operands. Remove
16420 reload-specific splits.
16421 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16422 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16423 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16424 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16425 (shift1_qi, shift1_hi, insv): New.
16426 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16427 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16428 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16430 * config/m32c/m32c-protos.h: Update as needed.
16431 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16432 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16433 Fail for unrecognized R* constraints.
16434 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16435 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16436 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16438 (m32c_init_libfuncs): New.
16439 (m32c_legitimate_address_p): Add debug wrapper.
16440 (m32c_rtx_costs): New.
16441 (m32c_address_cost): New.
16442 (conversions): Add 'B' prefix.
16443 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16444 operands, or word regnames for QI operands. 'B' prints bit
16446 (m32c_expand_setmemhi): New.
16447 (m32c_expand_movmemhi): New.
16448 (m32c_expand_movstr): New.
16449 (m32c_expand_cmpstr): New.
16450 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16451 (m32c_expand_neg_mulpsi3): Handle non-ints.
16452 (m32c_cmp_flg_0): New.
16453 (m32c_expand_movcc): New.
16454 (m32c_expand_insv): New.
16455 (m32c_scc_pattern): New.
16456 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16457 a0/a1 out of SIregs.
16458 (STORE_FLAG_VALUE): New.
16459 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16462 * config/m32c/mov.md: Make constraints more liberal.
16463 (zero_extendqihi2): Optimize r0/r1 case.
16464 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16465 * config/m32c/predicates.md (m32c_any_operand): New.
16466 (m32c_nonimmediate_operand): New.
16467 (m32c_hl_operand): New.
16468 (m32c_r3_operand): New.
16471 (memsym_operand): New.
16472 (memimmed_operand): New.
16473 (a_qi_operand): New.
16474 (m32c_eqne_operator): New.
16475 (m32c_1bit8_operand): New.
16476 (m32c_1bit16_operand): New.
16477 (m32c_1mask8_operand): New.
16478 (m32c_1mask16_operand): New.
16479 * config/m32c/blkmov.md: New file.
16480 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16482 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16484 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16485 unsigned to fix signed/unsigned comparison issue in
16486 DWARF2_FRAME_REG_OUT.
16487 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16488 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16490 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16491 of ptr into the ENABLE_CHECKING section.
16493 2006-03-08 Jeff Law <law@redhat.com>
16495 * tree-vrp.c (infer_value_range): Only count pointer uses
16496 and dereferences if -fdelete-null-pointer-checks is enabled.
16498 * tree-vrp.c (find_assert_locations): Infer value ranges for
16499 single use pointers, but do not create ASSERT_EXPRs for them.
16500 When a non-null range is inferred for a pointer, backwards
16501 propagate that range to other equivalent pointers through the
16504 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16507 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16508 language hook targets.
16509 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16510 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16511 if language hook targets were missing.
16513 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16515 * tree-ssa-opfinalize.h: Removed.
16516 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16518 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16519 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16520 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16521 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16522 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16523 finalize_ssa_v_must_def_ops): New.
16525 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16527 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16528 block as parameter.
16530 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16532 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16534 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16535 addresses with offsets; reorganize.
16537 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16538 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16539 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16541 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16544 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16546 2006-03-08 Ben Elliston <bje@au.ibm.com>
16548 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16550 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16553 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16556 2006-03-07 Richard Guenther <rguenther@suse.de>
16558 PR tree-optimization/26587
16559 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16561 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16563 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16565 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16567 * hooks.c (hook_bool_mode_rtx_true): New function.
16568 * hooks.h (hook_bool_mode_rtx_true): Declare.
16569 * toplev.c (compile_file): Call output_shared_constant_pool.
16570 * varasm.c (shared_constant_pool): New variable.
16571 (assemble_start_function, assemble_end_function): Remove arguments
16572 from call to output_constant_pool.
16573 (create_constant_pool): New function, split out from...
16574 (init_varasm_status): ...here.
16575 (force_const_mem): Choose between the shared and per-function constant
16576 pools. Set current_function_uses_const_pool when reusing old entries
16577 as well as when creating new ones.
16578 (mark_constant): Ignore data argument.
16579 (mark_constants): Remove pool argument.
16580 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16581 to decide whether the function uses a constant pool.
16582 (output_constant_pool_contents): New function, split out from...
16583 (output_constant_pool): ...here.
16584 (output_shared_constant_pool): New function.
16585 (init_varasm_once): Initialize shared_constant_pool.
16586 * output.h (output_constant_pool): Delete.
16587 (output_shared_constant_pool): Declare.
16588 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16589 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16591 2006-03-06 Nick Clifton <nickc@redhat.com>
16593 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16594 flag_strength_reduce.
16596 2006-03-06 Ben Elliston <bje@au.ibm.com>
16598 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16599 x86_64-*-linux* configurations.
16601 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16602 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16604 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16606 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16608 * basic-block.h: Remove the extern for
16609 rediscover_loops_after_threading.
16611 * cfgloop.c (cancel_loop): Make it static.
16612 * cfgloop.h: Remove the prototype for cancel_loop.
16614 * flow.c (recompute_reg_usage): Make it static.
16615 * rtl.h: Remove the prototype for recompute_reg_usage.
16617 * function.c (use_return_register): Make it static.
16618 * function.h: Remove the prototype.
16620 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16622 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16624 * recog.h: Remove the prototype for
16625 validate_change_maybe_volatile.
16627 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16629 * rtlanal.c (replace_reg): Remove.
16630 * rtl.h: Remove the prototype for replace_reg.
16632 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16634 * regclass.c (reg_scan_update): Remove.
16635 (reg_scan_mark_refs): Remove the last argument.
16636 * rtl.h: Remove the prototype for reg_scan_update.
16638 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16640 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16641 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16642 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16643 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16644 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16645 loop-invariant.c, omp-low.c, opts.c, passes.c,
16646 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16647 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16648 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16649 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16650 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16651 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16653 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16655 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16656 * dwarf2out.h: Remove the prototype for
16657 dwarf2out_add_library_unit_info.
16659 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16661 * tree.c (add_var_to_bind_expr): Remove.
16662 * tree.h: Remove the prototype for add_var_to_bind_expr.
16664 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16666 * regclass.c (n_non_fixed_regs): Remove.
16667 (init_reg_sets_1, globalize_reg): Remove all uses of
16669 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16671 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16673 * rtlanal.c (insns_safe_to_move_p): Remove.
16674 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16678 * expmed.c (expand_mult_add): Remove.
16679 * expr.h: Remove the prototype for expand_mult_add.
16681 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16683 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16684 and REG_SAVED_VAL_EXP constants.
16685 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16686 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16687 Handle regs stored by value.
16688 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16689 (execute_cfa_program): Handle DW_CFA_val_offset,
16690 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16691 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16692 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16693 (uw_install_context_1): Handle target regs stored by value.
16695 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16697 * tree-sra.c (tree_sra): Return todoflags;
16698 (generate_one_element): Set TODO_update_smt_usage if needed.
16699 (pass_sra): Remove TODO_update_smt_usage.
16700 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16702 (tree_ssa_forward_propagate_single_use_vars): Return
16703 TODO_update_smt_usage if we need to update SMT usage.
16704 (pass_forwprop): Remove TODO_update_smt_usage.
16706 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16708 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16709 (correct_use_link): Remove reference to get_stmt_operands.
16710 (update_stmt_operands): Likewise.
16711 (get_modify_expr_operands): New function factored out of
16712 parse_ssa_operands and get_expr_operands.
16713 Try to create V_MUST_DEFs for LHS by default.
16714 (get_expr_operands) <case MODIFY_EXPR>: Call
16715 get_modify_expr_operands.
16716 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16717 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16718 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16719 get_modify_expr_operands.
16721 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16723 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16724 * tree-flow.h: Remove the prototype for
16725 referenced_var_lookup_if_exists.
16727 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16729 PR rtl-optimization/26345
16731 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16733 2006-03-03 Roger Sayle <roger@eyesopen.com>
16735 PR tree-optimization/26524
16736 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16737 fold_convert to create a constant of the appropriate type.
16739 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16741 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16742 SYMBOL_REF_IN_BLOCK_P.
16743 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16744 of SYMBOL_FLAG_IN_BLOCK.
16745 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16746 instead of SYMBOL_REF_IN_BLOCK_P.
16747 * explow.c (use_anchored_address): Likewise.
16748 * rtl.c (rtx_size): Likewise.
16749 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16750 instead of SYMBOL_FLAG_IN_BLOCK.
16751 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16752 SYMBOL_REF_IN_BLOCK_P.
16753 (assemble_variable): Likewise.
16754 (output_constant_def_contents): Likewise.
16755 (output_constant_pool): Likewise.
16756 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16757 instead of SYMBOL_FLAG_IN_BLOCK.
16758 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16759 SYMBOL_REF_IN_BLOCK_P.
16760 (SYMBOL_REF_BLOCK): Likewise.
16761 (SYMBOL_REF_OFFSET): Likewise.
16762 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16763 SYMBOL_REF_IN_BLOCK_P.
16764 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16765 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16766 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16767 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16769 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16771 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16773 2006-03-02 Roger Sayle <roger@eyesopen.com>
16775 * simplify-rtx.c (simplify_unary_operation): When simplifying
16776 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16777 that we perform the right shift in the appropriate mode, and
16778 then extend or truncate the result to requested mode.
16780 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16782 * gengtype.c (main): Handle double_int type.
16783 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16784 * double-int.c: New file.
16785 * double-int.h: New file.
16786 * system.h: Include doubleint.h.
16787 * Makefile.in (SYSTEM_H): Include double-int.h.
16788 (double-int.o): Add.
16790 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16793 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16796 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16798 * tree-vrp.c (remove_range_assertions): Do not update statements
16801 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16803 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16805 * gcse.c (rest_of_handle_gcse): Ditto.
16806 * except.c (gate_handle_eh): Ditto.
16807 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16808 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16810 2006-03-02 Eric Christopher <echristo@apple.com>
16812 * config/i386/i386.c (machopic_output_stub): Add indirection to
16815 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16819 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16821 Sun Niagara specific optimizations.
16822 * config.gcc: Recognize niagara as target.
16823 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16824 (TARGET_CPU_niagara): Define.
16825 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16826 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16827 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16828 (ASM_CPU_SPEC): Likewise.
16829 (PROCESSOR_NIAGARA): New enum entry.
16830 (REGISTER_MOVE_COST): Handle Niagara.
16831 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16832 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16833 (sparc_override_options): Recognize "niagara", set appropriate
16834 default MASK_* values for it, and align functions to 32-bytes
16835 by default just like ULTRASPARC/ULTRASPARC3.
16836 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16837 (sparc64_initialize_trampoline): Likewise.
16838 (sparc_use_sched_lookahead): Use zero for niagara.
16839 (sparc_issue_rate): Use one for niagara.
16840 * config/sparc/niagara.md: New file.
16841 * config/sparc/sparc.md: Include it.
16842 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16843 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16844 when default cpu is niagara.
16845 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16846 (ASM_CPU_SPEC): Likewise.
16847 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16848 when default cpu is niagara.
16849 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16850 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16851 just like v9/ultrasparc/ultrasparc3.
16852 * doc/invoke.texi: Add documentation for "niagara" and improve
16853 existing documentation for ultrasparc variants.
16855 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16857 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16859 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16861 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16862 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16863 and say that only one is needed.
16864 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16865 * target.h (have_switchable_bss_sections): New hook.
16866 * explow.c (use_anchored_address): Check that the symbol is in a block.
16867 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16868 (bss_noswitch_section): New variables.
16869 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16870 (get_noswitch_section): New function.
16871 (get_block_for_section): Allow SECT to be null.
16872 (unlikely_text_section_p): Use SECTION_STYLE.
16873 (bss_initializer_p): New function.
16874 (get_variable_section): Move earlier in file. Take a new argument,
16875 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16876 Return one of the new *_sections in such cases.
16877 (get_block_for_decl): New function, extracting some logic from
16878 use_blocks_for_decl_p.
16879 (change_symbol_section): Remove in favor of...
16880 (change_symbol_block): ...this new function.
16881 (use_blocks_for_decl_p): Remove checks now performed by
16882 get_block_for_decl.
16883 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16884 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16885 (emit_local, emit_bss, emit_common): ...these new functions.
16886 Return true if the alignment was honored.
16887 (emit_tls_common): New function.
16888 (asm_emit_uninitialised): Delete.
16889 (assemble_variable_noswitch): New function, split out from...
16890 (assemble_variable): ...here. Don't make decisions about common
16891 variables here. Globalize all public decls that go into non-common
16892 sections. Check whether SYMBOL_REF_BLOCK is null.
16893 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16894 (output_constant_pool): Likewise.
16895 (init_varasm_once): Initialize the new section variables.
16896 (have_global_bss_p): New function.
16897 (categorize_decl_for_section): Use bss_initializer_p.
16898 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16899 (place_block_symbol): Assert that the symbol must be in a block.
16900 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16901 (TARGET_INITIALIZER): Include it.
16902 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16903 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16904 (SECTION_MACH_DEP): Bump by two.
16905 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16906 (unnamed_section): Mention SECTION_UNNAMED in comment.
16907 (named_section): Likewise SECTION_NAMED.
16908 (noswitch_section_callback): New type.
16909 (noswitch_section): New structure.
16910 (section): Add a noswitch_section alternative.
16911 (SECTION_STYLE): New macro.
16912 (tls_comm_section, comm_section, lcomm_section): Declare.
16913 (bss_noswitch_section, have_global_bss_p): Declare.
16914 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16915 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16917 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16918 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16921 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16923 * tree-vrp.c (execute_vrp): Return value.
16924 * regrename.c (rest_of_handle_regrename): Ditto.
16925 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16926 * tree-complex.c (tree_lower_complex): Ditto.
16927 (tree_lower_complex_O0): Ditto.
16928 * tracer.c (rest_of_handle_tracer): Ditto.
16929 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16930 * postreload.c (rest_of_handle_postreload): Ditto.
16931 * tree-tailcall.c (execute_tail_recursion): Ditto.
16932 (execute_tail_calls): Ditto.
16933 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16934 * tree.h (init_function_for_compilation): Ditto.
16935 * ipa-cp.c (ipcp_driver): Ditto.
16936 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16937 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16938 * final.c (compute_alignments): Ditto.
16939 (rest_of_handle_final): Ditto.
16940 (rest_of_handle_shorten_branches): Ditto.
16941 (rest_of_clean_state): Ditto.
16942 * omp-low.c (execute_expand_omp): Ditto.
16943 (execute_lower_omp): Ditto.
16944 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16945 * ipa-reference.c (static_execute): Ditto.
16946 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16947 * reorg.c (rest_of_handle_delay_slots): Ditto.
16948 (rest_of_handle_machine_reorg): Ditto.
16949 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16950 * flow.c (recompute_reg_usage): Ditto.
16951 (rest_of_handle_remove_death_notes): Ditto.
16952 (rest_of_handle_life): Ditto.
16953 (rest_of_handle_flow2): Ditto.
16954 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16955 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16956 (do_ssa_store_ccp): Ditto.
16957 (execute_fold_all_builtins): Ditto.
16958 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16959 * modulo-sched.c (rest_of_handle_sms): Ditto.
16960 * ipa-pure-const.c (static_execute): Ditto.
16961 * cse.c (rest_of_handle_cse): Ditto.
16962 (rest_of_handle_cse2): Ditto.
16963 * web.c (rest_of_handle_web): Ditto.
16964 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16965 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16966 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16967 * tree-nrv.c (tree_nrv): Ditto.
16968 (execute_return_slot_opt): Ditto.
16969 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16970 (create_structure_vars): Ditto.
16971 * loop-init.c (rtl_loop_init): Ditto.
16972 (rtl_loop_done): Ditto.
16973 (rtl_move_loop_invariants): Ditto.
16974 (rtl_unswitch): Ditto.
16975 (rtl_unroll_and_peel_loops): Ditto.
16976 (rtl_doloop): Ditto.
16977 * gimple-low.c (lower_function_body): Ditto.
16978 (mark_used_blocks): Ditto.
16979 * tree-ssa-sink.c (execute_sink_code): Ditto.
16980 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16981 (cgraph_early_inlining): Ditto.
16982 * global.c (rest_of_handle_global_alloc): Ditto.
16983 * jump.c (cleanup_barriers): Ditto.
16984 (purge_line_number_notes): Ditto.
16985 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16986 (rest_of_handle_if_after_reload): Ditto.
16987 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16988 (tree_ssa_loop_im): Ditto.
16989 (tree_ssa_loop_unswitch): Ditto.
16990 (tree_vectorize): Ditto.
16991 (tree_linear_transform): Ditto.
16992 (tree_ssa_loop_ivcanon): Ditto.
16993 (tree_ssa_empty_loop): Ditto.
16994 (tree_ssa_loop_bounds): Ditto.
16995 (tree_complete_unroll): Ditto.
16996 (tree_ssa_loop_prefetch): Ditto.
16997 (tree_ssa_loop_ivopts): Ditto.
16998 (tree_ssa_loop_done): Ditto.
16999 * predict.c (tree_estimate_probability): Ditto.
17000 * recog.c (split_all_insns_noflow): Ditto.
17001 (rest_of_handle_peephole2): Ditto.
17002 (rest_of_handle_split_all_insns): Ditto.
17003 * tree-eh.c (lower_eh_constructs): Ditto.
17004 * regmove.c (rest_of_handle_regmove): Ditto.
17005 (rest_of_handle_stack_adjustments): Ditto.
17006 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17007 * function.c (instantiate_virtual_regs): Ditto.
17008 (init_function_for_compilation): Ditto.
17009 (rest_of_handle_check_leaf_regs): Ditto.
17010 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17011 (rest_of_handle_gcse): Ditto.
17012 * ipa-type-escape.c (type_escape_execute): Ditto.
17013 * alias.c (rest_of_handle_cfg): Ditto.
17014 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17015 * profile.c (rest_of_handle_branch_prob): Ditto.
17016 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17017 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17018 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17019 * tree-dfa.c (find_referenced_vars): Ditto.
17020 * except.c (set_nothrow_function_flags): Ditto.
17021 (convert_to_eh_region_ranges): Ditto.
17022 (rest_of_handle_eh): Ditto.
17023 * emit-rtl.c (unshare_all_rtl): Ditto.
17024 (remove_unnecessary_notes): Ditto.
17025 * except.h (set_nothrow_function_flags): Ditto.
17026 (convert_to_eh_region_ranges): Ditto.
17027 * cfgexpand.c (tree_expand_cfg): Ditto.
17028 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17029 * tree-ssa-pre.c (do_pre): Ditto.
17030 (execute_fre): Ditto.
17031 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17032 (rest_of_handle_jump2): Ditto.
17033 * tree-sra.c (tree_sra): Ditto.
17034 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17035 (execute_mudflap_function_decls): Ditto.
17036 * tree-ssa-copy.c (do_copy_prop): Ditto.
17037 (do_store_copy_prop): Ditto.
17038 * ipa-prop.h (ipcp_driver): Ditto.
17039 * cfglayout.c (insn_locators_initialize): Ditto.
17040 * tree-ssa-forwprop.c
17041 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17042 * cfglayout.h (insn_locators_initialize): Ditto.
17043 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17044 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17045 (execute_late_warn_uninitialized): Ditto.
17046 * rtl.h (cleanup_barriers): Ditto.
17047 (split_all_insns_noflow): Ditto.
17048 (purge_line_number_notes): Ditto.
17049 (unshare_all_rtl): Ditto.
17050 (remove_unnecessary_notes): Ditto.
17051 (recompute_reg_usage): Ditto.
17052 (variable_tracking_main): Ditto.
17053 * integrate.c (emit_initial_value_sets): Ditto.
17054 * integrate.h (emit_initial_value_sets): Ditto.
17055 * tree-optimize.c (execute_free_datastructures): Ditto
17056 (execute_free_cfg_annotations): Ditto.
17057 (execute_fixup_cfg): Ditto.
17058 (execute_cleanup_cfg_pre_ipa): Ditto.
17059 (execute_cleanup_cfg_post_optimizing): Ditto.
17060 (execute_init_datastructures): Ditto.
17061 * tree-object-size.c (compute_object_sizes): Ditto.
17062 * combine.c (rest_of_handle_combine): Ditto.
17063 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17064 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17065 (rest_of_handle_reorder_blocks): Ditto.
17066 (rest_of_handle_partition_blocks): Ditto.
17067 * var-tracking.c (variable_tracking_main): Ditto.
17068 * tree-profile.c (tree_profiling): Ditto.
17069 * tree-vect-generic.c (expand_vector_operations): Ditto.
17070 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17071 * sched-rgn.c (rest_of_handle_sched): Ditto.
17072 (rest_of_handle_sched2): Ditto.
17073 * basic-block.h (free_bb_insn): Ditto.
17074 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17075 * tree-cfg.c (execute_build_cfg): Ditto.
17076 (remove_useless_stmts): Ditto.
17077 (split_critical_edges): Ditto.
17078 (execute_warn_function_return): Ditto.
17079 (execute_warn_function_noreturn): Ditto.
17080 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17081 * cfgrtl.c (free_bb_for_insn): Ditto.
17082 * passes.c (execute_one_pass): Run additional
17083 todos returned by execute function.
17084 * tree-pass.h (struct tree_opt_pass): Make execute
17087 2006-03-02 Richard Guenther <rguenther@suse.de>
17089 * tree-ssa-alias.c (find_used_portions): Consider taking
17090 the address as making the variable not write-only.
17092 2006-03-02 Nick Clifton <nickc@redhat.com>
17094 * config.gcc (default_use_cxa_atexit): Extend the description of
17095 this configure variable. Set its default value to "yes" for
17096 Linux, NetBSD and ELF targets on the assumption that they will
17097 use C libraries with the __cxa_atexit function.
17099 2006-03-02 Ben Elliston <bje@au.ibm.com>
17101 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17102 parameter as unused to suppress a build warning.
17104 2006-03-02 Ben Elliston <bje@au.ibm.com>
17106 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17109 2006-03-01 Roger Sayle <roger@eyesopen.com>
17112 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17113 declared name, the weak reference name, and the typeof name.
17114 (__gthrw): Avoid expanding the declared name suffix.
17115 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17117 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17119 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17121 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17122 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17123 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17124 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17125 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17126 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17127 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17128 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17129 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17130 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17131 (DW_END_default, DW_END_big, DW_END_little): New.
17132 (DW_END_lo_user, DW_END_hi_user): Define.
17133 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17134 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17135 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17138 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17140 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17142 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17144 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17146 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17148 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17149 to 'symbol_mem_tag'.
17151 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17154 2006-03-01 Roger Sayle <roger@eyesopen.com>
17156 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17158 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17161 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17162 MACHO_DYNAMIC_NO_PIC_P.
17163 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17165 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17168 * config/darwin-protos.h (darwin_asm_output_anchor):
17170 * config/darwin-sections.def (cstring_section):
17171 Add SECTION_MERGE to the flags.
17172 (literal4_section): Likewise.
17173 (literal8_section): Likewise.
17174 (objc_selector_refs_section): Likewise.
17175 (objc_cls_refs_section): Likewise.
17176 * config/darwin.c (darwin_asm_output_anchor): New
17178 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17180 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17182 Fix PR tree-optimization/26443
17183 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17184 to todo and PROP_tmt_usage to properties_destroyed.
17185 * tree-ssa-ccp.c (pass_ccp): Ditto.
17186 (pass_store_ccp): Ditto.
17187 * tree-ssa-dom.c (pass_dominator): Ditto.
17189 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17191 * tree-ssa-operands.c: Cleanup whitespace.
17192 (get_asm_expr_operands): Move before first invocation.
17193 (get_indirect_ref_operands): Likewise.
17194 (get_tmr_operands): Likewise.
17195 (get_call_expr_operands): Likewise.
17196 (append_def): Likewise.
17197 (append_use): Likewise.
17198 (append_v_may_def): Likewise.
17199 (append_v_must_def): Likewise.
17200 (add_call_clobber_ops): Likewise.
17201 (add_call_read_ops): Likewise.
17202 (add_stmt_operand): Likewise.
17203 (add_virtual_operand): Likewise.
17204 (build_ssa_operands): Likewise.
17206 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17208 PR middle-end/26022
17210 PR middle-end/24437
17211 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17212 with a call expr to ...
17213 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17215 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17217 * tree-vrp.c (extract_range_from_assert): Remove special
17218 handling for types with super-types.
17220 2006-03-01 Ben Elliston <bje@au.ibm.com>
17222 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17223 and powerpc64-*-linux* configurations.
17224 * config/t-dfprules: New file.
17226 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17227 Compile dfp-bit.c from the source directory using -DWIDTH and
17228 $DFP_CFLAGS to control the compilation of that file, rather than
17229 generating width-specific versions in the build directory.
17230 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17231 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17233 2006-02-28 Zack Weinberg <zackw@panix.com>
17235 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17238 2006-02-28 Eric Christopher <echristo@apple.com>
17240 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17241 Set up IN_LIBGCC definition of TARGET_64BIT.
17242 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17244 2006-02-28 Roger Sayle <roger@eyesopen.com>
17246 PR middle-end/14752
17247 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17248 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17249 cases via the construction of "expr != 0".
17251 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17253 * alias.c (alias_invariant, alias_invariant_size): Remove.
17254 (record_base_value): Remove.
17255 (memrefs_conflict_p): Don't look at alias_invariant.
17256 (end_alias_analysis): Don't free it.
17257 * alias.h (record_base_value): Remove prototype.
17259 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17260 Adam Nemet <anemet@caviumnetworks.com>
17262 * rtl.h (truncated_to_mode): Declare it.
17263 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17264 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17265 (RTL_HOOKS_INITIALIZER): Include it.
17266 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17267 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17268 reg_truncated_to_mode.
17269 * rtlanal.c (truncated_to_mode): Define it.
17270 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17272 2006-02-28 Jeff Law <law@redhat.com>
17274 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17275 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17276 the range allowed by TYPE_PRECISION.
17278 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17280 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17282 PR tree-optimization/26419
17283 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17286 2006-02-27 Zack Weinberg <zackw@panix.com>
17288 * doc/md.texi: Fix typo in previous change.
17290 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17294 2006-02-27 Zack Weinberg <zackw@panix.com>
17296 * rtl.def (define_constraint, define_register_constraint)
17297 (define_memory_constraint, define_address_constraint): New MD forms.
17298 * gensupport.c (process_rtx): Put define_constraint etc on the
17300 * genpreds.c (process_define_predicate): Adjust comment. Validate
17301 the name, and call validate_exp to validate the expression.
17302 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17303 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17304 all callers changed.
17305 (validate_exp, needs_variable, struct constraint_data)
17306 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17307 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17308 (const_dbl_constraints, constraint_max_namelen)
17309 (have_register_constraints, have_memory_constraints)
17310 (have_address_constraints, have_address_constraints)
17311 (have_extra_constraints, have_const_int_constraints)
17312 (have_const_dbl_constraints, mangle, add_constraint)
17313 (process_define_constraint, process_define_register_constraint)
17314 (write_enum_constraint_num, write_lookup_constraint)
17315 (write_insn_constraint_len, write_regclass_for_constraint)
17316 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17317 (write_insn_extra_memory_constraint)
17318 (write_insn_extra_address_constraint)
17319 (write_satisfies_constraint_fns): New.
17320 (write_tm_preds_h): If we have new-style constraint definitions,
17321 prototype the functions generated from them, and define the
17322 old constraint interface (still used by generic code) in terms of
17324 (write_insn_preds_c): If we have new-style constraint definitions,
17325 generate all relevant functions from those definitions.
17326 (main): Handle define_constraint etc.
17327 * genoutput.c (struct constraint_data, indep_constraints)
17328 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17329 (mdep_constraint_len): New data structures and functions, defined
17330 #ifdef USE_MD_CONSTRAINTS.
17331 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17332 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17333 use new logic to validate operand constraints against constraint
17335 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17337 * defaults.h: If none of the old-style constraint macros are
17338 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17339 old-style macros; and poison REG_CLASS_FROM_LETTER,
17340 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17342 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17343 * doc/md.texi: Document new constraint-definition mechanism and the
17344 C interface it provides. Remove references to old mechanism
17345 elsewhere in the document.
17346 (Machine Constraints): Use pathnames relative to gcc directory,
17347 i.e. config/ARCH/FILE. Change i386 section to refer to
17348 config/i386/predicates.md; update that section to match docstrings.
17349 * doc/tm.texi: Move all documentation of the old constraint-
17350 definition macros to their own section, clearly mark as obsolete.
17352 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17353 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17355 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17356 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17357 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17358 constraint strings.
17359 (splits and peepholes): Use satisfies_constraint_*.
17360 * config/i386/i386.c (memory_address_length)
17361 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17363 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17365 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17366 scalar operation to be put back into the loop.
17368 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17371 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17372 (extract_cie_info): Handle S flag in augmentation string.
17373 (execute_cfa_program): If context->signal_frame, execute also
17374 fs->pc == context->ra instructions.
17375 (uw_frame_state_for): If context->signal_frame, don't subtract one
17376 from context->ra to find FDE.
17377 (uw_update_context_1): Set context->signal_frame to
17379 (_Unwind_GetIPInfo): New function.
17380 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17381 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17383 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17384 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17385 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17386 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17387 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17388 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17389 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17390 x86_64_fallback_frame_state): Set fs->signal_frame.
17391 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17392 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17393 (frob_update_context): Likewise. Workaround missing S flag in
17394 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17395 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17396 Remove the psw_addr + 1 hack.
17398 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17400 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17401 with aggregates here.
17402 (find_func_aliases): Remove code for &<aggregate> from here.
17404 2006-02-26 Roger Sayle <roger@eyesopen.com>
17406 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17407 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17408 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17409 as (X & C) ne/eq 0.
17411 2006-02-26 Roger Sayle <roger@eyesopen.com>
17413 PR middle-end/19983
17414 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17416 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17418 * opts.c (decode_options): Do not handle flag_strength_reduce.
17419 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17420 and OPT_fstrength_reduce.
17421 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17422 flag_prefetch_loop_arrays for being nonzero.
17423 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17425 (fprefetch-loop-arrays-rtl): Removed.
17426 (flag_prefetch_loop_arrays): Do not specify the value.
17428 * doc/passes.texi: Update documentation of loop optimizer
17430 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17431 -frerun-loop-opt): Remove.
17433 2006-02-26 Richard Guenther <rguenther@suse.de>
17435 PR tree-optimization/26421
17436 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17437 in function calls that are ADDR_EXPRs as using the whole structure.
17439 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17441 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17442 * tree-pass.h (pass_loop_optimize): Remove.
17443 * passes.c (pass_loop_optimize): Never run it.
17444 * toplev.c (backend_init): Don't call init_loop.
17445 * opts.c (flag_loop_optimize_set): Remove.
17446 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17447 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17448 the old RTL loop optimizer when profiling enabled.
17449 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17450 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17451 pre-headers for the sake of the old RTL loop optimizer.
17452 * Makefile.in: Remove all references to loop.o.
17454 * doc/invoke.texi: Remove all references to -floop-optimize
17455 and -frerun-loop-opt.
17457 2006-02-26 Zack Weinberg <zackw@panix.com>
17459 * doc/md.texi (Machine Constraints): Refer to all files with paths
17460 relative to gcc directory (i.e. config/CPU/file). Add missing
17461 @table @code ... @end table to M32C subsection.
17463 2006-02-26 Roger Sayle <roger@eyesopen.com>
17465 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17467 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17469 2006-02-26 Roger Sayle <roger@eyesopen.com>
17470 James A. Morrison <phython@gcc.gnu.org>
17472 PR middle-end/21137
17473 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17474 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17475 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17476 signedness of the shift operation.
17478 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17480 PR tree-optimization/26359
17481 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17483 2006-02-25 Roger Sayle <roger@eyesopen.com>
17485 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17486 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17487 as X == 0, and some symmetry related transformations.
17488 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17490 2006-02-25 Roger Sayle <roger@eyesopen.com>
17492 PR middle-end/23673
17493 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17494 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17495 symmetry related transformations. Fold (X^C1) == C2 as
17498 2006-02-25 Juergen Weigert <jw@suse.de>
17499 Richard Guenther <rguenther@suse.de>
17501 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17503 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17505 * combine.c (gen_lowpart_or_truncate): Call
17506 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17508 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17510 * doc/invoke.texi: Move -fopenmp description to "Options for
17512 Remove reference to -lgomp.
17514 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17516 * doc/install.texi: Require GNU tar version 1.14.
17518 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17520 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17521 * doc/invoke.texi (C++ Dialect Options): Document
17522 -fno-use-cxa-get-exception-ptr.
17523 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17524 * configure: Regenerate.
17525 * c.opt (fuse-cxa-get-exception-ptr): New.
17526 * c-opts.c (c_common_handle_option): Handle
17527 OPT_fuse_cxa_get_exception_ptr.
17528 * c-common.c (flag_use_cxa_atexit): Update documentation.
17529 (flag_use_cxa_get_exception_ptr): New.
17530 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17531 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17533 (C_COMMON_OVERRIDE_OPTIONS): New.
17535 2006-02-24 Roger Sayle <roger@eyesopen.com>
17537 PR middle-end/24952
17538 * combine.c (try_combine): Explicitly check whether GET_CODE is
17539 a SET or a CLOBBER, instead on checking that it isn't a USE.
17541 2006-02-24 Roger Sayle <roger@eyesopen.com>
17543 * fold-const.c (fold_comparison): New subroutine of fold_binary
17544 containing transformations common to both the equality and
17545 ordering relational operators, factored out of fold_binary.
17546 (fold_binary): Separate out the equality operators (EQ_EXPR
17547 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17548 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17549 transformations common to both.
17550 (fold_div_compare): Fix latent bugs in the previously unreachable
17551 LT_EXPR and GE_EXPR cases.
17553 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17555 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17556 decl libname for clog to __clog on AIX.
17558 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17560 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17563 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17564 output traceback table for thunks. Localise rs6000_stack_info call.
17566 2006-02-23 Roger Sayle <roger@eyesopen.com>
17567 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17569 * gthr-posix.h (__gthrw): Fix typo in comment.
17571 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17573 * doc/cpp.texi (Character sets): Document that we do support
17574 input files to be in any character set.
17576 2006-02-23 Jeff Law <law@redhat.com>
17578 * tree.h (PHI_ARG_NONZERO): Remove.
17579 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17580 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17581 node to the new node.
17583 PR tree-optimization/26425
17584 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17585 min/max, then assume its varying.
17587 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17589 PR rtl-optimization/26316
17590 * rtlanal.c (enum may_trap_p_flags): New.
17591 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17592 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17593 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17594 (may_trap_after_code_motion_p): New function.
17595 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17596 (find_invariant_insn): Use may_trap_after_code_motion_p.
17597 * rtl.h (may_trap_after_code_motion_p): Declare.
17599 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17601 * emit-rtl.c (immed_double_const): Cleanup.
17603 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17605 Fix PR tree-optimization/26376
17606 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17609 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17611 PR middle-end/26412
17612 * gimplify.c (omp_add_variable): Guard variable size decl test with
17613 DECL_SIZE (decl) check.
17615 2006-02-23 Richard Guenther <rguenther@suse.de>
17617 PR middle-end/26439
17618 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17619 like aggregate types.
17621 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17623 * configure.ac: Add --with{,out}-long-double-128 configure option.
17624 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17625 * configure: Rebuilt.
17626 * config.in: Rebuilt.
17627 * doc/install.texi (Options specification): Document
17628 --with-long-double-128.
17630 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17631 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17632 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17633 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17635 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17637 * config/s390/s390.c (override_options): Handle
17638 TARGET_DEFAULT_LONG_DOUBLE_128.
17640 * config/alpha/alpha.c (override_options): Handle
17641 TARGET_DEFAULT_LONG_DOUBLE_128.
17643 * config/sparc/sparc.c (sparc_override_options): Handle
17644 TARGET_DEFAULT_LONG_DOUBLE_128.
17646 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17648 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17649 (real-install-headers-tar, real-install-headers-cpio)
17650 (real-install-headers-cp): New targets.
17652 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17654 * tree.h (variable_section): Delete.
17655 * varasm.c (variable_section): Delete.
17657 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17659 * install.texi: Add notes on install.texi2html.
17660 (Building in parallel): Do not use footnotes.
17662 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17665 * doc/install.texi (Configuration): Document --disable-libgomp.
17667 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17669 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17671 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17673 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17674 (vec_extractv2df_0_sse): New.
17676 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17678 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17679 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17680 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17681 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17682 to the result of the expression.
17683 (def_cfa_1): Adjust.
17684 (frame_pointer_cfa_offset): Rename to...
17685 (frame_pointer_fb_offset): ... this. Adjust all uses.
17686 (convert_cfa_to_loc_list): Rename to...
17687 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17688 Pass it on to build_cfa_loc.
17689 (compute_frame_pointer_to_cfa_displacement): Rename to...
17690 (compute_frame_pointer_to_fb_displacement): ... this. New
17691 offset parameter. Use it in computation.
17692 (gen_subprogram_die): Compute cfa_fb_offset with the new
17693 macro, and use it to compute the fb loc list and the
17696 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17698 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17699 replaced with register_operand.
17700 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17701 non-DREG is expensive.
17702 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17703 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17706 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17708 * doc/install.texi2html: Use set -e.
17710 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17712 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17713 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17714 * doc/invoke.texi (-fshared-data): Delete.
17715 * common.opt (fshared-data): Delete.
17716 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17717 (assemble_static_space): Remove #if 0 code.
17718 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17719 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17720 * config/cris/cris.h: Remove FIXME.
17722 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17724 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17727 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17729 PR middle-end/26379
17730 * combine.c (simplify_shift_const_1): Disable nested shifts
17731 optimization for vector shifts.
17733 2006-02-20 Roger Sayle <roger@eyesopen.com>
17735 PR tree-optimization/26361
17736 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17737 of unsigned integer types.
17739 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17741 * tree-chrec.c (eq_evolutions_p): New.
17742 * tree-chrec.h (eq_evolutions_p): Declared.
17743 * tree-data-ref.c: Fix formatting.
17744 (datadep_stats, dependence_stats): New.
17746 (print_direction_vector): New.
17747 (dump_data_dependence_relation): Use print_direction_vector.
17748 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17749 (compute_subscript_distance): Static.
17750 (initialize_data_dependence_relation): Static. Get the number
17751 of loops surrounding the references from the callers, and initialize
17752 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17753 base_object_differ_p analyzers.
17754 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17755 compute_overlap_steps_for_affine_1_2,
17756 analyze_subscript_affine_affine): Count the classified dependences.
17757 Print a message when a test failed.
17758 (can_use_analyze_subscript_affine_affine): New.
17759 (analyze_siv_subscript): Compute the data dependences on symbolic
17760 scevs that verify can_use_analyze_subscript_affine_affine.
17761 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17762 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17763 Handle symbolic scevs.
17764 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17766 (subscript_dependence_tester): Moved...
17767 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17768 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17769 DDR_SIZE_VECT instead of getting it in parameter.
17770 (subscript_dependence_tester): ... here. Take as a parameter
17771 loop_nest_depth. Call build_classic_dist_vector and
17772 build_classic_dir_vector.
17773 (compute_affine_dependence): Update subscript_dependence_tester
17774 parameters. Update datadep_stats counters. Call
17775 compute_subscript_distance.
17776 (compute_self_dependence): Save the dist and dir vectors. Call
17777 compute_subscript_distance.
17778 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17779 (compute_all_dependences): Reorder parameters as they were before
17780 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17781 compute_subscript_distance. Update the use of
17782 compute_affine_dependence and initialize_data_dependence_relation.
17783 (find_data_references_in_loop): Handle COMPONENT_REF.
17784 (compute_data_dependences_for_loop): Initialize dependence_stats.
17785 Don't call build_classic_dist_vector and build_classic_dir_vector.
17786 Update the parameters of initialize_data_dependence_relation and
17787 compute_all_dependences. Print the statistics from datadep_stats.
17788 (analyze_all_data_dependences): Static. Not used until the pass for
17789 checking the data dependences is contributed.
17790 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17791 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17792 (initialize_data_dependence_relation, compute_affine_dependence,
17793 analyze_all_data_dependences, compute_subscript_distance): Removed.
17794 (print_direction_vector): New.
17795 * lambda.h (gcd): ... here.
17796 (lambda_vector_gcd): Moved here from gcd_vector.
17797 * lambda-code.c (gcd, gcd_vector): Removed.
17798 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17799 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17801 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17803 * ipa-type-escape.c: Tidy some comments and white space.
17804 * tree-ssa-operands.c: Likewise.
17806 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17809 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17810 (dump_decl_name): Do not walk the decl tree chains.
17811 * tree-pass.h (TDF_CHAIN): Remove.
17813 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17815 * Makefile.in (C): Remove
17817 (.PHONY): Remove C and PROTO
17819 2006-02-20 Roger Sayle <roger@eyesopen.com>
17821 PR middle-end/26236
17822 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17823 deprecated CHAR_TYPE tree code.
17825 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17827 * configure.ac (target_list): Add install-info, dvi, html.
17828 * configure: Regenerate.
17830 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17831 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17832 treelang/Make-lang.in: Do not use double-colon rules.
17834 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17836 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17837 (TMT_USED_ALONE): New macro.
17838 * tree-pass.h (PROP_tmt_usage): New property.
17839 (TODO_update_tmt_usage): New todo.
17840 * tree-ssa-alias.c (updating_used_alone): New variable.
17841 (recalculate_used_alone): New function.
17842 (compute_may_aliases): Set updating_used_alone, call
17843 recalculate_used_alone.
17844 * tree-sra.c (pass_sra): Note that this pass destroys
17845 PROP_tmt_usage, and add TODO_update_tmt_usage.
17846 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17847 * tree-flow.h (updating_used_alone): Prototype.
17848 (recalculate_used_alone): Ditto.
17849 * passes.c (execute_todo): Add code to set updating_used_alone,
17850 and call recalculate.
17851 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17852 for clobber if used alone, and add assert to verify used_alone
17855 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17857 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17858 for non tls symbols added.
17859 (legitimize_address): Do nothing for PLUS expressions if one of the
17860 addends is a tls symbol reference.
17862 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17866 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17868 * Makefile.in (BOOTSTRAPPING): New.
17869 (quickstrap): New definition if BOOTSTRAPPING=yes.
17871 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17872 * configure.ac: Substitute all_selected_languages with the languages
17873 that were configured. For all the other variables except
17874 lang_specs_files, include all the languages in the tree.
17875 * configure: Regenerate.
17877 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17878 if there is one. Run the commands to run fixincludes in the same
17881 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17882 * doc/install.texi: Document exact conventions for searching target tools.
17883 Document --with-build-time-tools. Document toplevel bootstrap. Document
17884 something more about building an Ada cross-compiler. Don't list GNU Make
17885 requirements which affect all platforms.
17887 2006-02-19 Roger Sayle <roger@eyesopen.com>
17889 PR middle-end/19543
17890 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17891 only equivalent if the have both the same mode and precision.
17893 2006-02-20 Ben Elliston <bje@au.ibm.com>
17895 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17897 2006-02-19 Roger Sayle <roger@eyesopen.com>
17898 Steven Bosscher <stevenb.gcc@gmail.com>
17900 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17901 constant pool references to identify stack mode constants.
17902 * rtlanal.c (constant_pool_constant_p): New predicate to check
17903 whether operand is a floating point constant in the pool.
17904 * rtl.h (constant_pool_constant_p): Prototype here.
17905 * loop.c (scan_loop): Avoid hoisting constants from the constant
17906 pool on STACK_REGS targets.
17907 (load_mems): Likewise.
17908 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17909 loads into x87 registers expensive in terms of register pressure.
17911 2006-02-19 Roger Sayle <roger@eyesopen.com>
17913 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17914 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17916 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17918 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17919 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17921 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17923 * doc/invoke.texi: Document -fipa-pta.
17924 * common.opt: Add ipa-pta option.
17925 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17926 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17927 (do_ds_constraint): Ditto.
17928 (get_constraint_for): Only add to referenced_vars if
17929 referenced_vars exists.
17930 (insert_into_field_list): Rewrite to do this unsorted.
17931 (insert_into_field_list_sorted): Rename old insert_into_field_list
17933 (create_function_info_for): Use insert_into_field_list_sorted.
17934 (create_variable_info_for): Rewrite so it uses unsorted version,
17935 since the field list is sorted.
17936 (intra_create_variable_infos): Only add to referenced_vars if
17937 referenced_vars exists.
17938 (ipa_pta_execute): Init heapvars, and delete when done.
17939 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17941 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17943 * doc/install.texi: Add missing `@samp'.
17945 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17947 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17950 2006-02-18 Mark Wielaard <mark@klomp.org>
17952 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17953 who added new 4.1 features, bug fixes and integration support.
17955 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17958 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17959 MEM for ABI_V4 pic.
17961 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17963 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17964 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17965 (copy_insn_1): Likewise. Don't copy each field individually.
17967 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17969 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17970 * rtl.c (rtx_size): Rename variable to...
17971 (rtx_code_size): ...this.
17972 (rtx_size): New function.
17973 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17974 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17976 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17977 * rtl.h (rtx_code_size): New variable.
17978 (rtx_size): Change from a variable to a function.
17979 (RTX_SIZE): Rename to...
17980 (RTX_CODE_SIZE): ...this.
17983 PR tree-optimization/17106
17984 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17985 (Anchored Addresses): New section.
17986 * doc/invoke.texi (-fsection-anchors): Document.
17987 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17988 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17989 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17990 * hooks.c (hook_bool_mode_rtx_false): New function.
17991 * hooks.h (hook_bool_mode_rtx_false): Declare.
17992 * gengtype.c (create_optional_field): New function.
17993 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17994 SYMBOL_REF_IN_BLOCK_P is true.
17995 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17996 (min_anchor_offset, max_anchor_offset): Likewise.
17997 (use_anchors_for_symbol_p): New hook.
17998 * toplev.c (compile_file): Call output_object_blocks.
17999 (target_supports_section_anchors_p): New function.
18000 (process_options): Check that -fsection-anchors is only used on
18001 targets that support it and when -funit-at-a-time is in effect.
18002 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18003 if the decl doesn't have one.
18004 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18005 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18006 of force_const_mem through use_anchored_address.
18007 (expand_expr_constant): New function.
18008 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18009 calling expand_expr for INDIRECT_REF.
18010 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18011 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18012 * expr.h (use_anchored_address): Declare.
18013 * loop-unroll.c: Don't declare rtx vectors here.
18014 * explow.c: Include output.h.
18015 (validize_mem): Call use_anchored_address.
18016 (use_anchored_address): New function.
18017 * common.opt (-fsection-anchors): New switch.
18018 * varasm.c (object_block_htab, anchor_labelno): New variables.
18019 (hash_section, object_block_entry_eq, object_block_entry_hash)
18020 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18021 (use_blocks_for_decl_p, change_symbol_section): New functions.
18022 (get_variable_section): New function, split out from assemble_variable.
18023 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18024 use_blocks_for_decl_p say so. Use change_symbol_section if the
18025 symbol has already been created.
18026 (assemble_variable_contents): New function, split out from...
18027 (assemble_variable): ...here. Don't output any code for
18028 block symbols; just pass them to place_block_symbol.
18029 Use get_variable_section and assemble_variable_contents.
18030 (get_constant_alignment, get_constant_section, get_constant_size): New
18031 functions, split from output_constant_def_contents.
18032 (build_constant_desc): Create a block symbol if use_object_blocks_p
18033 says so. Or into SYMBOL_REF_FLAGS.
18034 (assemble_constant_contents): New function, split from...
18035 (output_constant_def_contents): ...here. Don't output any code
18036 for block symbols; just pass them to place_section_symbol.
18037 Use get_constant_section and get_constant_alignment.
18038 (force_const_mem): Create a block symbol if use_object_blocks_p and
18039 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18040 (output_constant_pool_1): Add an explicit alignment argument.
18041 Don't switch sections here.
18042 (output_constant_pool): Adjust call to output_constant_pool_1.
18043 Switch sections here instead. Don't output anything for block symbols;
18044 just pass them to place_block_symbol.
18045 (init_varasm_once): Initialize object_block_htab.
18046 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18047 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18048 (place_block_symbol, get_section_anchor, output_object_block)
18049 (output_object_block_htab, output_object_blocks): New functions.
18050 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18051 (TARGET_ASM_OUT): Include it.
18052 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18053 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18054 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18055 (TARGET_INITIALIZER): Include them.
18056 * rtl.c (rtl_check_failed_block_symbol): New function.
18057 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18058 (block_symbol, object_block): New structures.
18059 (rtx_def): Add a block_symbol field to the union.
18060 (BLOCK_SYMBOL_CHECK): New macro.
18061 (rtl_check_failed_block_symbol): Declare.
18062 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18063 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18064 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18065 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18066 * output.h (output_section_symbols): Declare.
18067 (object_block): Name structure.
18068 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18069 (default_use_anchors_for_symbol_p): Declare.
18070 * Makefile.in (RTL_BASE_H): Add vec.h.
18071 (explow.o): Depend on output.h.
18072 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18073 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18074 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18075 (rs6000_use_blocks_for_constant_p): New function.
18077 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18079 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18081 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18084 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18087 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18089 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18093 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18095 PR middle-end/26334
18096 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18097 instead of DECL_REGISTER.
18099 2006-02-18 Olivier Hainque <hainque@adacore.com>
18102 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18104 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18107 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18108 * opth-gen.awk: Handle Var and InverseMask together.
18109 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18110 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18111 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18112 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18114 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18115 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18116 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18117 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18118 LINUX_DYNAMIC_LINKER): Define.
18119 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18120 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18122 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18123 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18124 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18126 (TARGET_C99_FUNCTIONS): Don't define.
18127 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18128 GLIBC_DYNAMIC_LINKER.
18129 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18130 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18131 GLIBC_DYNAMIC_LINKER64): Define.
18132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18133 LINUX_DYNAMIC_LINKER64.
18134 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18135 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18136 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18137 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18138 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18140 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18141 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18142 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18144 and LINUX_DYNAMIC_LINKER32.
18145 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18146 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18147 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18149 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18151 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18152 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18153 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18154 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18155 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18156 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18157 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18158 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18159 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18160 LINUX_DYNAMIC_LINKER): Define.
18161 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18162 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18163 GLIBC_DYNAMIC_LINKER64): Define.
18164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18165 LINUX_DYNAMIC_LINKER64.
18166 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18167 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18168 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18169 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18170 LINUX_DYNAMIC_LINKER): Define.
18171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18172 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18173 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18174 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18175 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18176 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18177 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18178 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18179 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18180 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18182 * doc/invoke.texi (-muclibc): Remove caveat about supported
18185 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18187 * doc/cpp.texi (__TIMESTAMP__): Document.
18189 2006-02-17 Roger Sayle <roger@eyesopen.com>
18191 PR middle-end/25600
18192 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18193 C is one less than the width of X (and related transformations).
18194 * simplify-rtx.c (simplify_unary_operation_1): Transform
18195 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18196 depending on STORE_FLAG_VALUE, were C is one less then the
18199 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18201 Fix PR tree-optimization/26341
18202 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18203 about NAME_MEMORY_TAG's.
18205 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18208 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18209 with hardware float support, and software float support. Add fcpy
18210 alternative to hardware patterns. Add alternatives to copy between
18211 general and floating-point registers to the 32-bit pattern.
18212 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18213 secondary reload to load a QI or HI mode constant into a floating
18215 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18216 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18218 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18221 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18223 (load_macho_picbase_di): Likewise.
18225 2006-02-16 Jeff Law <law@redhat.com>
18227 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18228 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18229 (ssa_name_nonzero_p): Likewise.
18230 (get_value_range): Return NULL if VRP is not running.
18231 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18232 VRP routines do not discover a range.
18233 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18234 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18235 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18236 (tree_expr_nonnegative_p): Similarly.
18237 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18238 (restore_nonzero_vars_to_original_value): Remove.
18239 (unsafe_associative_fp_binop): Remove.
18240 (tree_ssa_dominator_optimize): Remove initialization and
18241 finalization of nonzero_vars and nonzero_vars_stack.
18242 (dom_opt_initialize_block): No longer push marker on
18243 nonzero_vars_stack.
18244 (dom_opt_finalize_block): No longer call
18245 restore_nonzero_vars_to_original_value.
18246 (record_equivalences_from_phis): No longer look for
18247 nonzero PHI arguments.
18248 (cprop_into_successor_phis): No longer propagate nonzero
18249 property into PHI arguments. Lose unused argument. Caller
18251 (record_equivalences_from_stmt): No longer record nonzero
18252 values for SSA_NAMEs.
18253 (lookup_avail_expr): No longer use nonzero_vars.
18255 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18256 for sizetype when sizetype is unsigned.
18258 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18260 PR rtl-optimization/25603
18261 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18262 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18263 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18264 with new meaning of SETS.
18266 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18271 * config/linux.opt: New file.
18272 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18273 LINUX_DYNAMIC_LINKER): Define.
18274 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18275 * config.gcc (*-*-linux*): Define extra_options.
18276 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18277 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18278 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18279 GLIBC_DYNAMIC_LINKER.
18280 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18281 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18282 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18284 * doc/invoke.texi (GNU/Linux Options): New section.
18286 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18288 * config/sparc/sparc.md (setjmp): Rewrite.
18289 (setjmp_32): Delete.
18290 (setjmp_64): Likewise.
18292 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18294 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18297 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18299 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18302 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18304 PR rtl-optimization/26296
18305 * Makefile.in (loop-invariant.c): Add except.h dependency.
18306 * loop-invariant.c: Include except.h.
18307 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18309 2005-02-16 Paul Brook <paul@codesourcery.com>
18311 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18314 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18316 PR rtl-optimization/25636
18317 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18318 when deciding whether an insn is an initializing insn.
18320 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18322 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18323 (tree_code_size): Ditto.
18324 * tree.h (struct tree_memory_tag): Remove parent_var.
18325 (struct tree_struct_field_tag): New.
18328 (union tree_node): Add sft member.
18329 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18331 (create_sft): Add size and offset argument, set SFT_OFFSET and
18333 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18334 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18335 * tree-flow-inline.h (get_subvar_at): Update for
18336 SFT_OFFSET/SFT_SIZE.
18337 (var_can_have_subvars): Ditto.
18338 (overlap_subvar): Ditto.
18339 * print-tree.c (print_node): Print out interesting things for
18341 * tree-flow.h (struct subvar): Remove offset and size members.
18342 * tree-ssa-operands.c (get_expr_operands): Update for
18343 get_indirect_ref_operands changes.
18344 (get_indirect_ref_operands): Call add_virtual_operand instead of
18345 add_stmt_operand. Only recurse on base var if requested.
18346 (access_can_touch_variable): New function.
18347 (add_stmt_operand): Split virtual operand handling into ...
18348 (add_virtual_operand): Here. Add offset, size, and for_clobber
18349 arguments. Prune alias sets.
18350 (add_call_clobber_ops): Call add_virtual_operand.
18352 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18354 PR middle-end/26300
18355 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18357 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18358 than TREE_CODE as index into omp_clause_num_ops array.
18360 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18362 PR rtl-optimization/26184
18363 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18365 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18366 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18367 must_precede, must_follow and tobe_scheduled.
18370 * opts.c (common_handle_option): Free new_option pointer.
18371 * df-core.c (df_analyze): Free postorder pointer.
18373 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18375 * Makefile.in: Fix the examples about the use of stamps
18377 2006-02-15 Michael Matz <matz@suse.de>
18379 PR middle-end/22275
18381 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18382 influenced by maximum_field_alignment or DECL_PACKED.
18383 (update_alignment_for_field): Ditto.
18384 (place_field): Ditto.
18385 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18388 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18390 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18391 (debug_flow_info): Pass it.
18392 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18393 * bb-reorder.c (reorder_basic_blocks): Likewise.
18394 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18395 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18396 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18397 * gcse.c (gcse_main, bypass_jumps): Likewise.
18398 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18399 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18400 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18401 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18402 * rtl.h (dump_flow_info): Adjust prototype.
18403 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18404 * var-tracking.c (variable_tracking_main): Likewise.
18405 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18406 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18409 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18411 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18414 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18416 PR tree-optimization/26209
18417 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18418 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18420 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18422 2006-02-14 Roger Sayle <roger@eyesopen.com>
18424 PR middle-end/23670
18425 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18426 (X,Y) and the corresponding symmetry related transformations.
18427 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18428 (X,Y) and its symmetry related transformations.
18430 2006-02-14 Roger Sayle <roger@eyesopen.com>
18432 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18435 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18437 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18439 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18442 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18443 support COMDAT group.
18444 * configure: Regenerate.
18446 2006-02-14 Roger Sayle <roger@eyesopen.com>
18448 PR middle-end/26279
18449 PR middle-end/26280
18450 PR middle-end/26283
18451 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18453 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18455 Fix PR tree-optimization/26260
18457 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18459 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18460 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18461 * tree-ssa-structalias.c (create_variable_info_for): Use
18462 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18464 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18466 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18468 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18469 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18470 of the ending condition.
18471 * tree-ssa-loop-manip.c: Include params.h.
18472 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18473 tree_unroll_loop): New functions.
18474 * tree-pass.h (pass_loop_prefetch): Declare.
18475 * loop.c (rest_of_handle_loop_optimize): Test for
18476 -fprefetch-loop-arrays-rtl.
18477 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18478 * timevar.def (TV_TREE_PREFETCH): New timevar.
18479 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18480 pass_loop_prefetch): New.
18481 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18482 (cleanup_tree_cfg_loop): Call scev_reset.
18483 * common.opt (fprefetch-loop-arrays-rtl): Add.
18484 * tree-ssa-loop-prefetch.c: New file.
18485 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18486 (new_temp_expr_table): Initialize expr_vars.
18487 (free_temp_expr_table): Cleanup expr_vars.
18488 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18489 expressions from being merged into one.
18490 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18491 (struct tree_niter_desc): Add control, bound and cmp fields.
18492 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18494 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18495 (tree-cfgcleanup.o): Add SCEV_H dependency.
18496 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18497 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18499 2006-02-14 Richard Guenther <rguenther@suse.de>
18501 PR tree-optimization/26258
18502 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18503 in PHI argument processing.
18505 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18507 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18508 new expression in the requested machine mode.
18510 2006-02-13 Roger Sayle <roger@eyesopen.com>
18512 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18513 directly, instead let do_compare_rtx_and_jump handle this for us.
18514 * expr.c (expand_expr_real_1): Likewise.
18515 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18516 before do_jump_by_parts_greater.
18517 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18518 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18520 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18522 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18524 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18526 PR rtl-optimization/26235
18527 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18528 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18531 2006-02-13 Jeff Law <law@redhat.com>
18533 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18536 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18538 PR middle-end/26092
18539 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18540 twice if decl is a builtin. When trying again, call get_callee_fndecl
18541 first to verify it is still a builtin.
18543 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18545 * dwarf2out.c (base_type_die): Don't add AT_name here.
18546 (subrange_type_die): Don't add AT_name here.
18547 (modified_type_die): Rearrange code flow. Do add AT_name here.
18549 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18551 PR rtl-optimization/26247
18552 PR rtl-optimization/26248
18553 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18555 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18557 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18558 * config/fixtfdi.c: Likewise.
18559 * config/fixunstfdi.c: Likewise.
18560 * config/floatditf.c: Likewise.
18562 2006-02-13 Roger Sayle <roger@eyesopen.com>
18564 PR middle-end/24427
18565 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18566 into (X,C2) if C1 is a subset of the bits of C2. Transform
18567 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18569 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18571 2006-02-13 Josh Conner <jconner@apple.com>
18574 * varasm.c (function_section): Check for section name before
18575 calling select_section on targets that define
18576 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18577 unlikely_text_section instead of hot_function_section if
18578 first_function_block_is_cold.
18580 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18582 PR middle-end/25335
18583 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18585 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18587 PR rtl-optimization/26222
18588 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18589 after tree->rtl expansion.
18590 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18591 before passing it to emit_move_insn.
18593 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18595 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18597 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18598 Clarify documentation.
18599 * c-common.h (warn_write_strings): Remove.
18600 * c-common.c (warn_write_strings): Likewise.
18601 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18604 2006-02-12 Roger Sayle <roger@eyesopen.com>
18606 PR middle-end/25724
18607 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18608 (do_jump_parts_zero_rtx): New function renamed from
18609 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18610 (do_jump_parts_equality_rtx): New function split out from
18611 do_jump_parts_equality. Old implementation renamed as above.
18612 Call do_jump_parts_zero_rtx if either operand is zero.
18613 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18614 do all of the heavy lifting.
18615 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18616 calling either do_jump_by_parts_greater_rtx or
18617 do_jump_by_parts_equality_rtx.
18618 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18619 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18620 moved to do_compare_rtx_and_jump, call it directly.
18621 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18622 mode argument. Call do_compare_rtx_and_jump.
18623 (emit_case_nodes): Update calls to do_jump_if_equal.
18625 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18627 PR rtl-optimization/26225
18628 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18630 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18632 PR rtl-optimization/26232
18633 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18635 2006-02-11 Jason Merrill <jason@redhat.com>
18638 * tree-inline.c (declare_return_variable): Just don't use the
18639 modify target if it's a gimple complex reg and the return slot
18642 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18644 * doc/contrib.texi: Update my entry.
18646 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18648 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18650 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18652 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18655 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18657 * doc/invoke.texi (-floop-optimize2): Removed.
18658 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18659 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18660 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18661 * common.opt (floop-optimize2): Removed.
18662 (fmove-loop-invariants): Enabled by default.
18664 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18666 * tree-if-conv.c (combine_blocks): Free the result of
18667 get_loop_exit_edges.
18669 2006-02-10 Jeff Law <law@redhat.com>
18671 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18673 PR tree-optimization/26213
18674 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18675 loop trying to follow SSA_NAME_VALUE chains.
18677 2006-02-10 Richard Guenther <rguenther@suse.de>
18679 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18680 deal with structures that end in implicitly variable sized arrays.
18682 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18684 PR rtl-optimization/24762
18685 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18688 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18690 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18691 (struct ivopts_data): Add regs_used field.
18692 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18693 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18694 instead of loop_data->regs_used;
18695 (free_loop_data): Do not free aux fields for loops.
18696 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18697 and tree_ssa_iv_optimize_finalize.
18699 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18701 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18703 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18706 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18707 computing the effective result type.
18709 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18711 PR inline-asm/16194
18712 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18713 (tree_overlaps_hard_reg_set): Declare.
18714 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18715 type and signature to match function type expected by walk_tree.
18716 (tree_overlaps_hard_reg_set): New function.
18717 (decl_conflicts_with_clobbers_p): Rename to:
18718 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18719 Use tree_overlaps_hard_reg_set. Changed caller.
18720 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18721 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18722 * cris.c (cris_md_asm_clobbers): Likewise.
18724 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18726 * reload1.c (emit_input_reload_insns): Delete code that tries to
18727 inherit using find_equiv_reg.
18729 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18731 * c-common.h (flag_const_strings): Don't declare.
18732 * c-common.c (flag_const_strings): Remove.
18733 * c.opt (fconst_strings): Remove.
18734 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18735 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18736 (c_common_init_options): Don't set flag_const_strings.
18737 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18739 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18741 * arm.md (tlobits_cbranch): New pattern.
18742 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18743 testing a single bit.
18745 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18748 * tree-ssa-pre.c (create_component_ref_by_pieces):
18749 Handle RETURN_DECL like VAR_DECL.
18751 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18753 PR middle-end/26134
18754 * fold-const.c (fold_indirect_ref_1): Fold
18755 "*(foo *)&complexfoo" to "__real__ complexfoo"
18756 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18758 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18760 * tree-flow-inline.h (var_can_have_subvars):
18761 Volatile variables should not have subvariables.
18763 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18766 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18767 multiplying unsigned values.
18770 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18772 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18774 2006-02-08 Jason Merrill <jason@redhat.com>
18777 * tree.def: Elaborate on difference from MODIFY_EXPR.
18778 * doc/c-tree.texi (INIT_EXPR): Likewise.
18779 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18780 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18781 (gimplify_target_expr): Likewise.
18782 (gimplify_cond_expr): Remove target handling.
18783 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18784 (gimplify_expr): Clobber it here.
18785 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18786 Do return slot optimization if we have an INIT_EXPR.
18789 * tree-inline.c (declare_return_variable): Also clear
18790 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18793 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18795 PR middle-end/22439
18796 * gimplify.c (gimplify_one_sizepos): Fix typo.
18798 2006-02-08 Jeff Law <law@redhat.com>
18800 PR tree-optimization/21417
18801 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18802 across a backedge if the control statement at the end of the
18803 block is data dependent on other statements in the same block.
18804 (record_temporary_equivalences_from_stmts): Remove over-conservative
18805 test for threading across backedges.
18807 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18808 control statement, handle all three special cases in the same
18809 manner as they all have the same desired solution. No longer
18810 special case edge flag updating when the post dominator is
18813 2006-02-08 Roger Sayle <roger@eyesopen.com>
18815 * tree.def (CHAR_TYPE): Remove.
18816 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18817 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18818 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18819 (gen_string_type_die): Delete unreachable function.
18821 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18822 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18823 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18824 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18825 * builtins.c (type_to_class): Likewise.
18826 * fold-const.c (fold_convert, build_range_check,
18827 merge_ranges): Likewise.
18828 * expr.c (count_type_elements): Likewise.
18829 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18830 * stor-layout.c (layout_type): Likewise.
18831 * ipa-type-escape.c (type_to_consider): Likewise.
18832 * gimplify.c (omp_firstprivatize_type_sizes,
18833 gimplify_type_sizes): Likewise.
18834 * explow.c (promote_mode): Likewise.
18835 * tree-sra.c (is_sra_scalar_type): Likewise.
18836 * varasm.c (output_constant): Likewise.
18837 * tree-inline.c (remap_type_1): Likewise.
18838 * convert.c (convert_to_pointer, convert_to_real,
18839 convert_to_integer, convert_to_complex): Likewise.
18841 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18843 * df-scan.c (df_def_record_1): A set destination may
18844 be a parallel regardless of mode.
18846 2006-02-08 Roger Sayle <roger@eyesopen.com>
18849 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18850 * config/mips/_tilib.c: Remove.
18851 * config/fixtfdi.c: New libgcc source file.
18852 * config/fixunstfdi.c: New source file.
18853 * config/floatditf.c: New source file.
18854 * config/floatunditf.c: New souce file.
18855 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18856 files above instead of config/mips/_tilib.c.
18857 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18859 2006-02-08 Jeff Law <law@redhat.com>
18861 PR tree-optimization/26169
18862 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18865 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18867 * df.h (DF_REG_SIZE): Return the length of the initialized
18870 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18872 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18873 __muldf3): Return a correctly signed zero.
18875 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18877 * passes.c (register_one_dump_file): Accept the current properties
18878 instead of pass number. Adjust call to dump_register. Remove
18880 (register_dump_files): Now a wrapper around...
18881 (register_dump_files_1): ... this one. Do not modify the pass
18883 (next_pass_1): Cosmetic fix.
18884 (execute_todo): Keep second parameter only. Use curr_properties
18885 instead of fetching it from the pass structure. Check and set
18887 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18888 instead of fetching it from the pass structure. Fix calls to
18889 execute_todo. Update curr_properties and initialize .vcg RTL dump
18890 after running the pass. Reset last_verified.
18891 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18893 (FIRST_AUTO_NUMBERED_DUMP): New.
18894 (dump_register): Remove "num" parameter, assign it within the
18896 (get_dump_file_name): Modify template for dumps.
18897 * tree-dump.h (dump_register): Adjust prototype.
18898 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18899 (PROP_trees): Add PROP_gimple_lomp.
18900 (TODO_set_props): New.
18901 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18902 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18903 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18905 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18907 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18908 (sparc64-*-linux*): Likewise.
18909 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18910 * config/sparc/t-linux: New file.
18911 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18912 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18913 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18914 -m32 -mlong-double-128.
18916 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18917 * config/alpha/t-linux: New file.
18918 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18920 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18921 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18922 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18923 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18924 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18925 (CPP_ARCH32_SPEC): Remove.
18927 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18929 PR tree-optimization/26145
18930 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18933 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18936 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18937 >= 240000 when generating code for SOM runtime.
18938 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18939 to $$dyncall when generating code for SOM runtime..
18941 2006-02-07 Dirk Mueller <dmueller@suse.com>
18944 * doc/invoke.texi (-Wsequence-point): Update documentation
18945 that -Wsequence-point is implemented for C++ as well.
18947 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18949 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18950 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18951 (LIB_SPEC): Likewise.
18952 * doc/invoke.texi (SPARC options): Document -pthread.
18954 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18956 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18959 2006-02-07 Roger Sayle <roger@eyesopen.com>
18961 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18962 Correct comment describing BOOLEAN_TYPE.
18964 2006-02-07 Dirk Mueller <dmueller@suse.com>
18966 * c.opt: C++ frontend supports -Wdiv-by-zero.
18967 * c-opts.c (c_common_handle_option): Remove dead case.
18969 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18971 * configure.ac (TLS assembler check): Do not enable TLS by
18972 default on SPARC/Solaris before version 10.
18973 * configure: Regenerate.
18975 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18977 * doc/invoke.texi (xl-compat): Document conversion and support
18980 2006-02-07 Jeff Law <law@redhat.com>
18982 * tree-vrp.c (find_conditional_asserts): Update comments.
18983 (simplify_stmt_for_jump_threading): New.
18984 (identify_jump_threads, finalize_jump_threads): New.
18985 (vrp_finalize): Call identify_jump_threads.
18986 (execute_vrp): Call finalize_jump_threads.
18987 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18988 (vrp_element, vrp_data, vrp_element_p): Remove.
18989 (vrp_hash_elt, vrp_variables_stack): Remove.
18990 (vrp_hash, vrp_eq, record_range): Remove.
18991 (simplify_cond_and_lookup_avail_expr): Remove.
18992 (extract_range_from_cond): Remove.
18993 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18994 (simplify_stmt_for_jump_threading): New.
18995 (dom_thread_across_edge): New wrapper.
18996 (tree_ssa_dominator_optimize): No longer initialize or
18997 finalize any of the VRP datastructures. Remove iteration
18998 step and simplify as a result of removal of iteration step.
18999 (pass_dominator): Perform a cfg cleanup after DOM.
19000 (dom_opt_finalize_block): Use the new common routines
19001 for threading jumps. Simplify stack management slightly.
19002 No longer need to unwind VRP state.
19003 (record_equivalences_from_incoming_edge): No longer record
19005 (eliminate_redundant_computations): No longer call
19006 simplify_cond_and_lookup_avail_expr.
19007 * tree-flow.h (potentially_threadable_block): Prototype.
19008 (thread_across_edge): Likewise.
19009 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19010 (tree-ssa-threadedge.o): Add dependencies.
19011 * tree-ssa-threadedge.c: New file.
19012 * passes.c (init_optimization_passes): Merge PHIs before
19013 calling VRP. Run VRP again late in the SSA optimization pipeline.
19015 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19017 * df-core.c (df_set_blocks): Do not dereference function pointers.
19018 (df_finish1): Likewise.
19019 (df_hybrid_search_forward): Likewise.
19020 (df_hybrid_search_backward): Likewise.
19021 (df_iterative_dataflow): Likewise.
19022 (df_analyze_problem): Likewise.
19023 (df_compact_blocks): Likewise.
19024 (df_dump): Likewise.
19025 * df-scan.c (df_rescan_blocks): Likewise.
19026 (df_record_entry_block_defs): Likewise.
19028 * genconditions.c (write_conditions): Guard the definition of
19029 'insn_conditions' with the check on GCC version.
19030 (write_writer): Guard the traversal 'insn_conditions' with
19031 the check on GCC version.
19033 2006-02-07 Richard Guenther <rguenther@suse.de>
19037 2006-01-30 Richard Guenther <rguenther@suse.de>
19039 * gimplify.c (gimplify_target_expr): Handle easy cases
19040 without creating a temporary.
19042 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19044 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19045 use of float in probability computations. Use edge probabilities
19046 in place of statically computed probabilities.
19047 (min_spec_prob): New static variable.
19048 (schedule_insns): Initialize it.
19049 (GET_SRC_PROB): Removed.
19050 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19052 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19055 * config/ia64/unwind-ia64.c: Revert last change.
19056 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19057 (INCOMING_FRAME_SP_OFFSET): Define.
19059 2006-02-06 Roger Sayle <roger@eyesopen.com>
19061 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19063 2006-02-07 Ben Elliston <bje@au.ibm.com>
19065 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19066 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19067 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19068 (ix86_return_in_memory): Handle TDmode.
19069 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19070 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19072 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19074 * reorg.c (dbr_schedule): Use dump_file instead of file.
19076 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19079 * config/ia64/predicates.md (extr_len_operand): New predicate.
19080 * config/ia64/ia64.md (extv): Tighten constraints.
19082 (*tbit_and_2): Ditto.
19083 (*tbit_and_3): Ditto.
19084 (*tbit_or_2): Ditto.
19085 (*tbit_or_3): Ditto.
19086 (*bit_zero): Ditto.
19089 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19092 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19094 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19096 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19097 loop_optimizer_init and loop_optimizer_finalize
19098 * tree-ssa-sink.c (execute_sink_code): Ditto.
19099 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19100 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19101 tree_ssa_loop_done): Ditto.
19102 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19103 * sched-ebb.c: Include output.h.
19104 (schedule_ebbs): Do not use dump argument.
19105 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19106 * loop.c (loop_dump_stream): Removed.
19107 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19109 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19110 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19111 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19112 loop_iterations, strength_reduce, record_biv, record_giv,
19113 final_giv_value, check_final_value, check_ext_dependent_givs,
19114 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19115 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19116 dump_file instead of loop_dump_stream.
19117 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19118 argument dump_file.
19119 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19121 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19122 * haifa-sched.c: Include output.h
19123 (schedule_insns, sched_init): Do not use dump argument.
19124 * mode-switching.c (optimize_mode_switching): Ditto.
19125 * modulo-sched.c (stats_file): Removed.
19126 (print_node_sched_params): Do not call argument dump_file.
19127 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19128 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19130 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19132 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19133 rtl_loop_init, rtl_loop_done): Ditto.
19134 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19135 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19137 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19138 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19139 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19140 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19141 * emit-rtl.c (renumber_insns): Ditto.
19142 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19143 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19144 * regclass.c (regclass): Ditto.
19145 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19146 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19147 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19148 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19150 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19151 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19153 * gcse.c (gcse_file, debug_stderr): Removed.
19154 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19155 rest_of_handle_gcse): Do not use dump argument.
19156 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19157 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19158 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19159 compute_code_hoist_vbeinout, compute_code_hoist_data,
19160 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19161 compute_store_table, build_store_vectors, insert_insn_start_bb,
19162 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19163 store_motion): Use dump_file instead of gcse_file.
19164 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19165 * profile.c (profile_dump_file): Removed.
19166 (branch_prob): Use dump_file instead of profile_dump_file.
19167 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19169 * tree-ssa-copy.c (dump_copy_of): Ditto.
19170 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19171 dump file to life_analysis.
19172 * bt-load.c (branch_target_load_optimize): Ditto.
19173 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19175 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19176 regclass, dbr_schedule): Declaration changed.
19177 * sched-int.h (sched_init): Declaration changed.
19178 * tree-profile.c (tree_profile_dump_file): Removed.
19179 (tree_profile_hooks): Removed profile_dump_file hook.
19180 * rtl-profile (rtl_profile_dump_file): Removed.
19181 (rtl_profile_hooks): emoved profile_dump_file hook.
19182 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19184 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19185 * tree-cfg.c (build_tree_cfg): Ditto.
19186 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19187 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19188 Declaration changed.
19189 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19190 life_analysis and schedule_insns.
19191 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19193 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19195 * config/mips/mips.c (mips_reorg): Ditto.
19196 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19199 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19201 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19202 (s390_mangle_fundamental_type): New.
19203 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19206 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19207 (alpha_mangle_fundamental_type): New.
19208 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19211 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19213 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19215 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19216 (sparc_mangle_fundamental_type): New.
19218 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19220 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19221 (s390x-*-linux*): Likewise.
19222 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19223 * config/s390/t-linux: New file.
19225 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19227 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19228 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19230 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19232 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19233 (ANTIC_SAFE_LOADS): New macro.
19234 (find_or_generate_expression): Add prototype.
19235 (set_contains_value): Allow null set for sake of not always having
19236 to allocate ANTIC_SAFE_LOADS.
19237 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19238 Allow COMPONENT_REF too.
19239 (valid_in_set): Allow COMPONENT_REF.
19240 Check ANTIC_SAFE_LOADS too.
19241 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19242 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19244 (can_PRE_operation): Add COMPONENT_REF.
19245 (create_component_ref_by_pieces): New function.
19246 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19247 (insert_aux): Move AGGREGATE_TYPE_P check here.
19248 (compute_avail): Set bb local stmt uids.
19249 (pass_pre): Use TODO_update_ssa_only_virtuals.
19251 2006-02-06 Ben Elliston <bje@au.ibm.com>
19253 * configure.ac: Unconditionally disable decimal float by default.
19254 * configure: Regenerate.
19256 2006-02-06 Ben Elliston <bje@au.ibm.com>
19258 * read-rtl.c (read_name): Terminate reading on EOF.
19260 2006-02-06 Ben Elliston <bje@au.ibm.com>
19262 * dfp.c (decimal_real_arithmetic): Change second argument type
19263 from int to enum tree_code. Do not always return true, but now
19264 return result of any call to decimal_do helper functions.
19265 * dfp.h (decimal_real_arithmetic): Update prototype.
19267 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19269 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19271 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19274 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19277 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19279 * tree-vrp.c (cfg_loops): Removed.
19280 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19281 Use current_loops instead of cfg_loops. Pass flags to
19282 loop_optimizer_init.
19283 * cfgloopmanip.c (fix_loop_structure): Update only available
19285 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19286 loop_optimizer_init.
19287 * modulo-sched.c (build_loops_structure): Removed.
19288 (sms_schedule): Use loop_optimizer_init.
19289 * loop-init.c (loop_optimizer_init): Use flags to determine
19290 which properties of loops to prepare.
19291 (rtl_loop_init): Pass flags to loop_optimizer_init.
19292 * tree-ssa-sink.c (execute_sink_code): Ditto.
19293 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19294 * tree-ssa-pre.c (init_pre): Ditto.
19295 * cfgloop.h (LOOPS_NORMAL): New.
19296 (loop_optimizer_init): Declaration changed.
19298 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19300 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19301 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19303 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19305 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19307 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19308 * pa/t-pa64: Delete quadlib.c rule.
19309 * pa/x-ada: Revert last change.
19310 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19312 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19314 PR rtl-optimization/26087
19315 * rtlanal.c (canonicalize_condition): Do not cross basic block
19318 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19321 * config/ia64/ia64.c: Include debug.h.
19322 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19323 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19324 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19325 (process_epilogue, process_set, process_for_unwind_directive):
19326 Output unwind info only if requested. Add CFA info if requested.
19327 Add new arguments as needed. Adjust callers.
19328 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19330 (DWARF2_FRAME_INFO): Define to zero.
19331 * config/ia64/unwind-ia64.c: Remove code that compensated for
19332 the CFA offset error fixed above.
19333 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19334 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19335 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19336 -funwind-tables and -fexceptions to enable frame info.
19337 (dwarf2out_frame_init): Define initial CFA even if
19338 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19339 DWARF2_UNWIND_INFO is nonzero, not just defined.
19340 (dwarf2out_frame_finish): Output non-EH call frame info only
19341 if DWARF2_FRAME_INFO is nonzero.
19342 (convert_cfa_to_loc_list,
19343 compute_frame_pointer_to_cfa_displacement): Define even if
19344 unwind info is not supported.
19345 (gen_subprogram_die): Use the above unconditionally. Remove
19346 legacy alternate code.
19347 * toplev.c (compile_file): Compile in call to
19348 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19349 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19351 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19352 Jakub Jelinek <jakub@redhat.com>
19354 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19355 IBM extended float format long double as "g" on powerpc*-linux.
19357 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19360 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19361 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19363 2006-02-03 Jason Merrill <jason@redhat.com>
19366 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19368 PR middle-end/25977
19369 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19370 on the return slot if it's an NRV.
19372 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19374 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19375 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19376 rewrite_use): Do not handle USE_OUTER.
19377 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19378 add_iv_outer_candidates, may_replace_final_value,
19379 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19380 (find_interesting_uses_op): Functionality of
19381 find_interesting_uses_outer_or_nonlin moved here.
19382 (find_interesting_uses_outside): Use find_interesting_uses_op.
19384 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19387 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19389 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19390 Ulrich Weigand <uweigand@de.ibm.com>
19393 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19394 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19395 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19396 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19398 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19399 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19400 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19401 Define secondary reloads for TFmode moves.
19402 (constant_modes): Add TFmode.
19403 (NR_C_MODES): Set to 8.
19404 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19406 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19407 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19408 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19409 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19410 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19411 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19412 (FPR mode macro): Add TFmode.
19413 (DSF mode macro): New.
19414 (<de>, <dee> mode attributes): Removed.
19415 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19416 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19417 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19418 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19419 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19420 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19421 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19422 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19423 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19424 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19425 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19426 "*negabs<mode>2", "sqrt<mode>2"):
19427 Changed <de> to <xde>. R constraint replaced by <Rf>.
19428 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19430 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19431 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19432 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19434 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19435 "extenddftf2", "extendsftf2"): New expanders.
19436 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19437 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19438 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19439 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19441 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19442 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19443 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19444 __floatditf): Add a GCC_4.1.0 symbol version tag.
19445 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19448 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19451 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19452 Use targetm.binds_local_p instead of TREE_PUBLIC.
19454 2006-02-02 Roger Sayle <roger@eyesopen.com>
19456 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19457 on INTEGER_TYPEs to indicate that it denotes a character type.
19458 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19459 signed_char_type_node, unsigned_char_type_node and char_type_node.
19460 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19461 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19462 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19464 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19465 Daniel Berlin <dberlin@dberlin.org>
19467 * tree-tailcall.c (arg_needs_copy_p): New function.
19468 (eliminate_tail_call): Use arg_needs_copy_p.
19469 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19470 (add_virtual_phis): New function.
19472 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19474 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19475 #ignore instead of #scratch for %g7 .register directive.
19477 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19479 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19482 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19484 * flow.c (calculate_global_regs_live): Assert that there aren't any
19487 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19489 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19490 what its name says.
19491 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19492 bsi_after_labels iterator.
19493 * tree-if-conv.c (find_phi_replacement_condition,
19494 replace_phi_with_cond_modify_expr): Likewise.
19495 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19496 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19498 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19500 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19502 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19505 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19506 array after growing it.
19508 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19510 PR middle-end/24901
19511 * fold-const.c (fold_checksum_tree): Change type of buf.
19513 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19515 * reload.c (push_secondary_reload): Initialize t_icode.
19517 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19519 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19520 -msoft-float -mlong-double-128 only issue a warning, but don't
19521 swich to DFmode long double.
19523 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19525 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19526 has a constant equivalent, iterate over equivalents for arg0,
19527 calling simplify_relational_operation and if there's a result
19528 cheaper than X, apply fold_rtx and return the result.
19530 2006-02-01 Jan Hubicka <jh@suse.cz>
19532 * opts.c (no_unit_at_a_time_default): New global variable.
19533 (decode_options): Use it.
19534 * opts.h (no_unit_at_a_time_default): Declare.
19536 2006-02-01 Paul Brook <paul@codesourcery.com>
19538 * function.c (assign_parm_setup_reg): Use function argument promotion
19540 * expr.c (expand_expr_real_1): Use function argument promotion rules
19543 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19545 * gcc.c (process_command): Change j to 'unsigned int'.
19547 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19549 PR middle-end/26001
19550 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19551 Use the corrected index for the character
19552 out of the string constant.
19554 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19556 * mode-switching.c (optimize_mode_switching): Fix size
19557 allocated for bb_info[n_entities].
19559 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19561 * gcc.c (main): Correct type that is allocated for
19562 explicit_link_files.
19564 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19566 * config/s390/s390.c (init_alignment_context): Set
19567 ALIAS_SET_MEMORY_BARRIER on the MEM.
19568 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19570 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19572 PR middle-end/25933
19573 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19575 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19578 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19580 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19581 * regrename.c: Ditto.
19582 * tree-ssa-loop-im.c: Ditto.
19583 * tree-dump.c: Ditto.
19584 * tree-complex.c: Ditto.
19585 * genrecog.c: Ditto.
19586 * tree-ssa-threadupdate.c: Ditto.
19588 * java/class.c: Ditto.
19589 * java/jcf-parse.c: Ditto.
19590 * java/resource.c: Ditto.
19591 * java/except.c: Ditto.
19592 * java/jvspec.c: Ditto.
19593 * java/jcf-write.c: Ditto.
19594 * java/jcf-path.c: Ditto.
19595 * java/gjavah.c: Ditto.
19596 * java/zextract.c: Ditto.
19597 * java/jcf-io.c: Ditto.
19598 * java/jcf.h: Ditto.
19599 * java/buffer.c: Ditto.
19600 * java/lang.c: Ditto.
19601 * java/parse-scan.y: Ditto.
19602 * java/lex.c: Ditto.
19603 * java/lex.h: Ditto.
19604 * cfgloopmanip.c: Ditto.
19605 * postreload-gcse.c: Ditto.
19606 * tree-ssa-loop-manip.c: Ditto.
19607 * postreload.c: Ditto.
19608 * tree-ssa-loop-ch.c: Ditto.
19611 * cppspec.c: Ditto.
19612 * diagnostic.c: Ditto.
19614 * genoutput.c: Ditto.
19616 * cfghooks.c: Ditto.
19617 * cfgloopanal.c: Ditto.
19618 * objc/objc-act.c: Ditto.
19620 * genextract.c: Ditto.
19621 * genautomata.c: Ditto.
19622 * pretty-print.c: Ditto.
19623 * genemit.c: Ditto.
19624 * cgraphunit.c: Ditto.
19626 * df-scan.c: Ditto.
19627 * haifa-sched.c: Ditto.
19628 * dominance.c: Ditto.
19630 * tree-ssa-loop-ivopts.c: Ditto.
19631 * df-core.c: Ditto.
19632 * mode-switching.c: Ditto.
19633 * modulo-sched.c: Ditto.
19635 * ipa-pure-const.c: Ditto.
19637 * fix-header.c: Ditto.
19639 * tree-stdarg.c: Ditto.
19640 * ipa-utils.c: Ditto.
19641 * loop-init.c: Ditto.
19642 * ipa-inline.c: Ditto.
19643 * cfganal.c: Ditto.
19645 * alloc-pool.c: Ditto.
19646 * dwarf2out.c: Ditto.
19648 * genattrtab.c: Ditto.
19649 * tree-ssa-loop-ivcanon.c: Ditto.
19650 * predict.c: Ditto.
19651 * timevar.c: Ditto.
19653 * fortran/gfortranspec.c: Ditto.
19654 * regmove.c: Ditto.
19655 * local-alloc.c: Ditto.
19656 * langhooks.c: Ditto.
19657 * function.c: Ditto.
19658 * tree-vectorizer.c: Ditto.
19660 * ipa-type-escape.c: Ditto.
19662 * tree-if-conv.c: Ditto.
19663 * profile.c: Ditto.
19665 * tree-data-ref.c: Ditto.
19666 * loop-unroll.c: Ditto.
19667 * treelang/treetree.c: Ditto.
19669 * bt-load.c: Ditto.
19670 * ggc-common.c: Ditto.
19672 * coverage.c: Ditto.
19674 * tree-cfgcleanup.c: Ditto.
19675 * tree-ssa-pre.c: Ditto.
19676 * cfgcleanup.c: Ditto.
19677 * loop-invariant.c: Ditto.
19678 * loop-iv.c: Ditto.
19679 * ipa-prop.c: Ditto.
19680 * print-tree.c: Ditto.
19681 * conflict.c: Ditto.
19682 * ggc-page.c: Ditto.
19683 * sched-deps.c: Ditto.
19684 * regclass.c: Ditto.
19685 * tree-object-size.c: Ditto.
19686 * combine.c: Ditto.
19687 * bb-reorder.c: Ditto.
19688 * resource.c: Ditto.
19689 * var-tracking.c: Ditto.
19690 * cfgloop.c: Ditto.
19691 * df-problems.c: Ditto.
19692 * reg-stack.c: Ditto.
19694 * gccspec.c: Ditto.
19695 * sched-rgn.c: Ditto.
19696 * tree-ssa-structalias.c: Ditto.
19697 * tree-ssa-reassoc.c: Ditto.
19698 * config/darwin-c.c: Ditto.
19699 * config/darwin.c: Ditto.
19700 * config/arm/arm.c: Ditto.
19702 * collect2.c: Ditto.
19703 * reload1.c: Ditto.
19705 2006-01-31 Nicolas Pitre <nico@cam.org>
19707 * arm.md (smaxsi3): Make aware of smax_m1.
19710 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19712 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19714 2006-01-31 Richard Guenther <rguenther@suse.de>
19716 * doc/invoke.texi (-msselibm): Document.
19717 * target.h (expand_library_builtin): New target hook.
19718 * builtins.c (expand_builtin): Use expand_library_builtin.
19719 (default_expand_library_builtin): New function.
19720 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19721 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19722 (link_gcc_math_spec): Declare.
19723 (static_specs): Add link_gcc_math_spec.
19724 * expr.h (default_expand_library_builtin): Declare.
19725 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19726 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19727 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19728 * config/i386/i386.opt (msselibm): New target option.
19729 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19730 (ix86_init_sse_abi_builtins): New function.
19731 (ix86_expand_library_builtin): Likewise.
19732 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19733 (override_options): Handle error conditions wrt -msselibm.
19734 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19735 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19736 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19739 2006-01-31 Richard Guenther <rguenther@suse.de>
19740 Paolo Bonzini <bonzini@gnu.org>
19742 * doc/install.texi (--disable-libgcc-math): Document.
19744 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19746 * expr.h (expand_normal): new inline function.
19747 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19748 * dojump.c: use it.
19749 * dwarf2out.c: use it.
19752 * expmed.c: use it.
19753 * except.c: use it.
19754 * config/sparc/sparc.c: use it.
19755 * config/i386/i386.c: use it.
19756 * config/rs6000/rs6000.c: use it.
19757 * config/arm/arm.c: use it.
19758 * config/mips/mips.c: use it.
19759 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19761 2006-01-30 Roger Sayle <roger@eyesopen.com>
19763 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19764 argv to the appropriate type.
19766 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19768 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19771 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19774 * config/s390/s390.c (struct machine_function): New flag
19775 decomposed_literal_pool_addresses_ok_p.
19776 (s390_reorg): Set it before final stage of literal pool transforms.
19777 (s390_decompose_address): Only accept displacements of the form
19778 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19780 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19782 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19783 the comparison routine return.
19785 2006-01-30 Michael Matz <matz@suse.de>
19787 * global.c (find_reg): Only evict for global regs.
19788 Take n_refs into account and dump more info.
19790 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19793 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19794 (pragma_trap, pragma_nosave_low_regs): Likewise.
19795 (current_function_anonymous_args): Likewise.
19796 (sh_deferred_function_attributes): New variable.
19797 (sh_deferred_function_attributes_tail): Likewise.
19798 (print_operand): For '@', look up trap_exit attribute.
19799 (calc_live_regs): Look up trapa_handler attribute. For trapa
19800 handlers, save/restore fpscr, but don't do any other
19801 interrupt-specific saves.
19802 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19803 Fix check for partially saved registers to check for SHmedia.
19804 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19805 (sh_output_function_epilogue): Don't clear any of the removed
19807 (sh_insert_attributes): Don't check pragma_interrupt.
19808 Insert deferred attributes. Check that interrupt attribute is
19809 present for other attributes that require its presence.
19810 (sh_attribute_table): Add new attributes trapa_handler and
19812 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19813 Don't check for pragma_interrupt. Don't store argument.
19814 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19815 (sh_deferred_function_attributes): Declare.
19816 (sh_deferred_function_attributes_tail): Likewise.
19817 * sh.md (sp_switch_1): Add operand. Change generator caller.
19818 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19819 (*return_i): Don't use when trap_exit attribute is in effect.
19820 (*return_trapa): New insn pattern.
19821 * sh-c.c: New file.
19822 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19823 setting c_target_objs and cxx_target_objs.
19824 * t-sh: Add rule for sh-c.o.
19826 2006-01-30 Richard Guenther <rguenther@suse.de>
19829 * gimplify.c (gimplify_target_expr): Handle easy cases
19830 without creating a temporary.
19832 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19834 * vec.h (safe_grow): Remove duplicated line.
19836 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19839 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19840 (expand_omp): ... here.
19841 (expand_omp_parallel): Only remove barriers for combined
19842 parallel+workshare constructs.
19844 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19848 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19849 * tree.c (build_qualified_type): Chain the new type to the original
19850 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19851 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19852 (build_pointer_type_for_mode): Only return unqualified types.
19853 (build_reference_type_for_mode): Likewise.
19855 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19857 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19858 * Makefile.in (CXX_COMPAT_WARN): Define.
19859 * configure: Regenerate.
19861 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19864 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19867 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19869 * toplev.c: Fix thinko.
19871 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19872 Marcin Dalecki <martin@dalecki.de>
19874 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19875 (push_srcloc): Use XNEW.
19876 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19878 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19880 * df-core.c (df_set_blocks): Deleted all variable.
19882 2006-01-28 Ian Lance Taylor <ian@airs.com>
19884 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19885 cgraph_output_pending_asms.
19887 2006-01-28 Zack Weinberg <zackw@panix.com>
19889 * c.opt: Add -W(no-)overlength-strings.
19890 * doc/invoke.texi: Document it.
19891 * c-opts.c (c_common_handle_option): -pedantic implies
19892 -Woverlength-strings, if not explicitly disabled already.
19893 (c_common_post_options): -Woverlength-strings defaults to off, and
19894 is always off for C++.
19895 * c-common.c (fix_string_type): Issue warning about strings longer
19896 than is portable only if warn_overlength_strings. Rearrange code
19897 a little for clarity.
19898 * configure.in: Check for -Wno-overlength-strings as well before
19899 enabling -pedantic in stage 1.
19900 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19901 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19903 * genconditions.c (write_header, write_one_condition)
19904 (write_conditions, write_writer): Consolidate very long strings
19905 that were broken up to fit in C89 portable limit. Don't use
19906 printf when fputs will do.
19908 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19910 * combine.c (simplify_comparison <AND>): Check
19911 TRULY_NOOP_TRUNCATION before start using a subreg.
19913 * config/mips/mips.md (*branch_zero<mode>,
19914 *branch_zero<mode>_inverted, *branch_equality<mode>,
19915 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19916 Remove mode check from comparisons.
19918 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19920 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19922 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19924 * expmed.c (const_mult_add_overflow_p): Remove.
19925 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19927 * recog.c (validate_replace_rtx_subexp): Remove.
19928 * recog.h: Remove the prototype for
19929 validate_replace_rtx_subexp.
19931 * integrate.h: Remove the prototype for
19932 copy_decl_for_inlining.
19933 * rtl.h: Remove the prototype for mark_constant_function.
19934 * tree-vectorizer.h: Remove the prototype for
19935 vect_strip_conversion.
19937 * modulo-sched.c (create_partial_schedule,
19938 free_partial_schedule, reset_partial_schedule): Make them
19941 * hooks.c (hook_bool_rtx_int_false): Remove.
19942 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19944 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19946 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19947 and -mlong-double-128 are incompatible.
19948 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19949 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19950 (TARGET_LIBGCC2_CFLAGS): Define.
19951 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19952 (TARGET_LIBGCC2_CFLAGS): Same.
19953 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19955 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19958 * c-typeck.c (build_binary_op): Perform implicit casts of
19959 operands before shortening them.
19961 * cfgloopmanip.c (split_loop_bb): Remove.
19962 * cfgloop.h: Remove the prototype for split_loop_bb.
19964 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19965 * cfgloop.h: Remove the prototype for
19966 flow_loop_outside_edge_p.
19968 * emit-rtl.c (init_virtual_regs): Make it static.
19969 * function.h: Remove the prototype for init_virtual_regs.
19971 * recog.c (peephole2_optimize): Make it static.
19972 * recog.h: Remove the prototype for peephole2_optimize.
19974 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19976 * df-scan.c (df_record_entry_block_defs): Check if
19977 INCOMING_RETURN_ADDR_RTX is defined.
19979 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19980 Kenneth Zadeck <zadeck@naturalbridge.com>
19982 PR rtl-optimization/24762
19983 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19984 * targhooks.c (hook_void_bitmap): New hook prototype.
19985 * targhoohs.h (hook_void_bitmap): Ditto.
19986 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19987 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19988 * target.h (live_on_entry): New function pointer.
19989 * df-scan.c (df_all_hard_regs): Removed.
19990 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19991 (df_scan_free_internal): Added df->entry_block_defs.
19992 (df_scan_alloc): Ditto.
19993 (df_scan_dump): Ditto.
19994 (df_uses_record): Plumbed flag field properly thru calls.
19995 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19996 This part fixes PR24762.
19997 (df_bb_refs_record): Added code to make the frame and arg
19998 pointers live in EH blocks.
19999 (df_refs_record): Added call to df_record_entry_block_defs.
20000 (df_record_entry_block_defs): New function.
20001 * df-core.c: Added comments to describe new artifical defs.
20002 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20003 (entry_block_defs): New field in struct df.
20004 (df_all_hard_regs): Deleted.
20005 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20006 * df-problems.c (df_ru_bb_local_compute_process_def):
20007 Added code to handle artifical defs in the entry to a function.
20008 (df_ru_bb_local_compute): Ditto.
20009 (df_rd_bb_local_compute_process_def): Ditto.
20010 (df_rd_bb_local_compute): Ditto.
20011 (df_lr_bb_local_compute): Ditto.
20012 (df_ur_bb_local_compute): Ditto.
20013 (df_urec_bb_local_compute): Ditto.
20014 (df_chain_create_bb): Ditto.
20015 (df_ur_local_finalize): Removed entry.
20016 (df_urec_init): Ditto.
20017 (df_urec_local_finalize): Ditto.
20018 (df_ri_bb_compute): Added detection of last use of pseudos.
20019 * Makefile.in (df-scan.o): Updated dependencies.
20020 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20021 * config/mips/mips.c (mips_set_live_on_entry): Added.
20022 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20024 * dce.c (marked_insn_p): Added code to handle artifical defs.
20026 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20028 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20030 (_mm_cvtsi128_si64): Likewise.
20031 (_mm_cvtsd_si64): Likewise.
20032 (_mm_cvttsd_si64): Likewise.
20033 (_mm_cvtsi64_sd): Likewise.
20034 (_mm_cvtsi64_si128): Likewise.
20035 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20036 (_mm_cvtsi64_m64): Likewise.
20037 (_m_to_int64): Likewise.
20038 (_mm_cvtm64_si64): Likewise.
20039 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20040 (_mm_cvttss_si64): Likewise.
20041 (_mm_cvtsi64_ss): Likewise.
20042 (_mm_cvtss_f32): Likewise.
20044 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20046 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20047 for pragma redefine_extname.
20049 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20052 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20053 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20054 -mno-minimal-toc to previous content.
20055 (bispecs): Remove goal.
20056 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20057 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20058 compatibility aliases on powerpc-*-*gnu*.
20059 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20060 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20061 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20062 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20063 (ldblspecs): New goal.
20064 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20065 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20067 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20068 L_sf_to_tf or L_df_to_tf is defined.
20070 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20071 Alan Modra <amodra@bigpond.net.au>
20074 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20075 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20076 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20077 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20078 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20079 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20080 (rs6000_override_options): Initialize rs6000_ieeequad.
20081 Initialize TFmode format to ibm_extended_format if not
20083 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20085 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20086 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20087 (function_arg_advance): IBM long double passed in two FPRs, not
20089 (function_arg): IBM long double passed in FPRs.
20090 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20091 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20092 Only multireg GPR aligned.
20093 (rs6000_init_libfuncs): Enable IBM long double functions if not
20095 (rs6000_generate_compare): Use IBM long double compare if not
20097 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20098 (TARGET_IEEEQUAD): Define.
20099 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20100 not TARGET_IEEEQUAD.
20101 * config/rs6000/rs6000.md: Enable TFmode patterns if
20103 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20104 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20105 and -mlong-double-128 are incompatible.
20106 * doc/invoke.texi (-mabi): Collect options together. Add
20107 ibmlongdouble and ieeelongdouble.
20109 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20111 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20113 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20114 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20115 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20116 * rtl.h (rtunion_def): Remove rt_ptr.
20118 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20119 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20120 * config/i386/winnt.c (i386_pe_mark_dllexport)
20121 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20123 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20125 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20127 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20131 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20132 pthread_key_delete. From John David Anglin. gthrw-ify
20133 pthread_getunique_np only if it it's not a macro. Delete
20135 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20136 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20137 __gthread_objc_condition_signal, __gthread_key_delete): Add
20138 "__attribute__ ((__unused__))" to unused arguments.
20139 (__gthread_recursive_mutex_init_function): Add missing return.
20140 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20141 gthr-posix95.h: Use macro-based approach for name redirection
20142 on targets missing weakref.
20144 2006-01-26 Zack Weinberg <zackw@panix.com>
20146 * genconditions.c (write_header): In generated code, #ifdef out
20147 all includes and fake declarations, except includes of bconfig.h
20148 and system.h, unless GCC_VERSION >= 3001. Do not include
20149 gensupport.h in any case.
20150 (write_conditions): Generate a definition of struct c_test. Add
20151 a comment to the generated #endif.
20152 (write_one_condition): Escape backslashes in string too.
20153 (write_writer): Generated code must escape backslashes and quote
20154 marks (but not newlines) in the strings it writes.
20155 * Makefile.in (build/gencondmd.o): Update dependencies.
20157 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20160 * Makefile.in (insn-automata.o): Add header file dependencies.
20161 * genautomata.c: Add includes.
20163 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20166 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20168 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20170 * configure.ac: Expect target tools paths to be passed from the toplevel
20171 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20173 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20175 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20178 * c.opt (Wpointer-sign): Init to -1.
20179 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20180 OPT_pedantic, to 0 otherwise.
20181 * doc/invoke.texi: Update.
20183 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20185 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20186 constants provided by 80387 instructions in the destination mode.
20188 2006-01-26 Richard Guenther <rguenther@suse.de>
20189 Andrew Pinski <pinskia@physics.uc.edu>
20192 partial PR tree-opt/17064
20193 * tree-ssa-structalias.c (intra_create_variable_infos):
20194 Create heap variables for incoming parameters if
20195 flag_argument_noalias > 1.
20196 (find_what_p_points_to): Look through default defs of
20199 2006-01-26 Jeff Law <law@redhat.com>
20202 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20203 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20204 within the VR_RANGE, use the VR_RANGE as the result, not the
20206 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20207 bounds for the type.
20209 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20211 * tree-ssa-alias.c (maybe_create_global_var): Change
20212 subvar walking to an assertion that we don't have subvar'd variables.
20214 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20217 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20218 Use a new variable, inner. PARM_DECLs are always non-weak.
20220 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20222 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20223 --disable-checking.
20225 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20227 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20229 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20231 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20232 (smax_insn, smin_insn, smax_0, smin_0): New.
20234 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20237 * config/cris/cris.c (cris_order_for_addsi3): New function.
20238 * config/cris/cris-protos.h: Prototype it.
20239 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20240 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20241 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20242 (split for "op.S1 [rx=rx+i],ry (swapped)")
20243 (split for "op(s|u).S1 [rx=rx+i],ry")
20244 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20245 Apply cris_order_for_addsi3 when generating addsi3 insns.
20247 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20249 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20250 (TREE_BLOCK): Add call to EXPR_CHECK.
20252 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20255 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20256 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20257 (dump_omp_clauses): ... here.
20258 (dump_generic_node): Handle OMP_CLAUSE.
20259 * tree.c (omp_clause_num_ops): New.
20260 (omp_clause_code_name): New.
20261 (tree_code_size): Handle OMP_CLAUSE.
20262 (tree_size): Likewise.
20263 (make_node): Document handling of OMP_CLAUSE.
20264 (tree_node_structure): Handle OMP_CLAUSE.
20265 (omp_clause_check_failed): New.
20266 (omp_clause_range_check_failed): New.
20267 (omp_clause_operand_check_failed): New.
20268 (build_omp_clause): New.
20269 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20270 * tree.h (enum omp_clause_code): Declare.
20271 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20272 (OMP_CLAUSE_RANGE_CHECK): Define.
20273 (OMP_CLAUSE_ELT_CHECK): Define.
20274 (omp_clause_check_failed): Declare.
20275 (omp_clause_operand_check_failed): Declare.
20276 (omp_clause_range_check_failed): Declare.
20277 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20278 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20279 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20280 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20281 (OMP_CLAUSE_IF_EXPR): Likewise.
20282 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20283 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20284 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20285 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20286 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20287 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20288 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20289 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20290 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20291 (OMP_CLAUSE_CODE): Define.
20292 (OMP_CLAUSE_SET_CODE): Define.
20293 (OMP_CLAUSE_CODE): Define.
20294 (OMP_CLAUSE_OPERAND): Define.
20295 (struct tree_omp_clause): Declare.
20296 (union tree_node): Add field 'omp_clause'.
20297 * treestruct.def (TS_OMP_CLAUSE): Define.
20298 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20299 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20300 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20301 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20302 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20303 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20304 (OMP_CLAUSE): Define.
20305 * print-tree.c (print_node): Handle OMP_CLAUSE.
20306 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20307 * c-typeck.c: Likewise.
20308 * gimplify.c: Likewise.
20309 * c-omp.c: Likewise.
20310 * tree-nested.c: Likewise.
20311 * tree-inline.c: Likewise.
20312 * c-parser.c: Likewise.
20313 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20316 2006-01-25 Roger Sayle <roger@eyesopen.com>
20318 PR rtl-optimization/25703
20319 * combine.c (try_combine): Handle zero_extract and strict_low_part
20320 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20322 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20324 * global.c: Fix comment typos.
20326 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20329 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20330 Use output_addr_const instead of assemble_name.
20332 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20334 * Makefile.in (sched-vis.o): Update dependencies.
20335 * haifa-sched.c (sched_finish): Clear current_sched_info.
20336 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20337 (dump_flow_info): Call it.
20338 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20340 * basic-block.h (dump_bb_info): Declare.
20341 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20342 option, and apply options only for dump files whose TDF_RTL,
20343 TDF_TREE, or TDF_IPA bits match.
20344 * rtl.h: Declare new functions exported from sched-vis.c.
20345 * sched-vis.c: Enable also if scheduling is not used.
20346 (print_value): Print the mode of registers if not inside scheduling.
20347 (print_insn): Make it work outside the scheduler. Beautify the output
20349 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20351 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20353 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20354 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20355 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20356 depending on the value of CONSTANT_POOL_ADDRESS_P.
20357 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20359 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20360 rather than SYMBOL_REF_DECL.
20361 (rtx_constant_pool): Remove const_rtx_sym_htab.
20362 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20363 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20364 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20365 Remove handling of const_rtx_sym_htab.
20366 (find_pool_constant): Delete.
20367 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20368 rather than find_pool_constant.
20369 (get_pool_constant_for_function): Delete.
20370 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20371 find_pool_constant.
20372 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20373 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20374 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20375 (SYMBOL_REF_CONSTANT): New macro.
20376 (get_pool_constant_for_function): Delete.
20377 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20378 rather than SYMBOL_REF_DECL.
20379 (i386_pe_mark_dllimport): Likewise.
20380 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20381 rather than SYMBOL_REF_DECL.
20382 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20383 (machopic_indirect_call_target): Likewise.
20385 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20387 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20389 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20391 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20393 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20395 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20397 2006-01-24 David Daney <ddaney@avtrex.com>
20400 * configure.ac (enable_tls): New enable option.
20401 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20402 * configure: Regenerate.
20403 * doc/install.texi (--enable-tls): Document new option.
20404 (--disable-tls): Ditto.
20406 2006-01-24 Richard Henderson <rth@redehat.com>
20408 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20409 * alias.c (true_dependence): Respect it.
20410 (canon_true_dependence, write_dependence_p): Likewise.
20411 * builtins.c (get_builtin_sync_mem): Set it.
20413 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20415 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20418 2006-01-24 DJ Delorie <dj@redhat.com>
20420 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20421 for storing constants in single-bit bitfields.
20423 2006-01-25 Ben Elliston <bje@au.ibm.com>
20425 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20427 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20430 * tree-ssa-pre.c (phi_translate): Return NULL
20431 for AGGREGATE_TYPE's.
20433 2006-01-24 Zack Weinberg <zackw@panix.com>
20435 * genautomata.c (process_state_for_insn_equiv_partition):
20436 Use xcalloc for insn_arcs_array.
20437 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20438 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20440 2006-01-24 Richard Henderson <rth@redhat.com>
20442 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20443 update all callers.
20445 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20447 PR rtl-optimization/25890
20448 PR rtl-optimization/25905
20449 * combine.c (expand_compound_operation, expand_field_assignment):
20450 Fail if the bitfield's final position is out of bounds.
20452 2006-01-24 Ian Lance Taylor <ian@airs.com>
20454 PR middle-end/25930
20455 * cgraphunit.c (cgraph_output_in_order): Don't clear
20456 cgraph_asm_nodes until after asm strings have been output.
20458 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20460 * fix-header.c (read_scan_file): Add new parameter imultilib when
20461 calling register_include_chains.
20463 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20465 * omp-low.c: Update documentation.
20467 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20468 Daniel Berlin <dberlin@dberlin.org>
20472 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20473 return from the function.
20475 2006-01-22 Zack Weinberg <zackw@panix.com>
20477 * rtl.def (match_code): Add second argument.
20478 * genpreds.c (write_extract_subexp): New function.
20479 (write_match_code): Add path argument. Use write_extract_subexp.
20480 (write_predicate_expr): Pass path to write_match_code.
20481 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20482 not perform a mode test.
20483 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20484 a subexpression does not constrain the top-level code set.
20485 * read-rtl.c (read_rtx_variadic): New function.
20486 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20487 * doc/md.texi: Document new notation.
20488 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20489 (cmpsi_operand): ... here, using new notation.
20491 2006-01-22 Zack Weinberg <zackw@panix.com>
20493 * varray.c: Remove GENERATOR_FILE #ifdefs.
20495 2006-01-22 Zack Weinberg <zackw@panix.com>
20497 * genautomata.c (output_reserved_units_table): Emit nothing if
20498 description->query_units_num is zero. Remove extra blank line.
20499 (output_cpu_unit_reservation_p): Short circuit
20500 if description->query_units_num is zero.
20502 2006-01-22 Zack Weinberg <zackw@panix.com>
20504 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20505 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20506 nor any of the random handful of variables that used to be necessary
20507 when this program was linked with rtlanal.o. Prune set of forward
20508 function declarations.
20509 (struct attr_desc): Remove static_p field.
20510 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20511 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20512 (attr_string): Do not read the character one past the length of
20514 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20515 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20516 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20517 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20518 (make_automaton_attrs): New.
20519 (main): Do not call into genautomata. Call local gen_bypass
20520 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20521 Remove special case for insn_alts.
20522 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20523 varray.h (leftover from previous change). Prune set of forward
20524 function declarations. Remove state_alts fields from all
20525 structures. Remove state_alts_table from struct automaton.
20526 Make everything except main static. Do not maintain num_dfa_decls.
20527 Do not maintain state_alts fields of various structures.
20528 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20529 (add_arc): Remove state_alts argument. All callers updated.
20530 (output_reserved_units_table): Emit #ifdef here...
20531 (output_tables): ...not here. Don't generate state_alts tables.
20532 (expand_automata): Don't generate attributes.
20533 (write_automata): Don't generate state_alts functions.
20534 (main): New function.
20535 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20536 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20537 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20538 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20539 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20540 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20541 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20542 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20544 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20545 * genattrtab.h: Delete file.
20546 * Makefile.in (OBJS-common): Add insn-automata.o.
20547 (insn-automata.o): New rule.
20548 (simple_generated_c): Add insn-automata.c.
20549 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20550 (genprogmd): Add automata.
20551 (build/genattrtab): Needs no extra objects nor libraries.
20552 (build/genautomata): Needs build/vec.o and -lm.
20554 2006-01-22 Zack Weinberg <zackw@panix.com>
20556 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20557 (output_dfa_max_issue_rate, locked_states_num): Delete.
20558 (struct automaton): Add locked_states field.
20559 (output_dead_lock_vect): Save number of locked states in
20560 automaton->locked_states. If it is zero, don't print anything.
20561 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20562 (output_internal_dead_lock_func): Only test the dead_lock_vect
20563 for automata that have locked states.
20564 (output_statistics): Always print the number of locked states for
20565 each automaton. Calculate total number of locked states here.
20566 (write_automata): Don't call output_dfa_max_issue_rate.
20567 * genattrtab.c: Define length_unit_log as a const variable.
20568 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20569 max_insn_queue_index const.
20570 * final.c (length_unit_log): Declare const.
20571 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20573 2006-01-22 Zack Weinberg <zackw@panix.com>
20575 * genautomata.c: Include vec.h, not varray.h.
20576 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20577 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20578 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20579 VEC_* macros operating on appropriately typed vectors, or to
20580 malloced arrays when the size is known in advance. Const-ify
20581 many char* variables and function arguments. No functional changes.
20582 * Makefile.in (build/varray.o): Delete rule.
20583 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20584 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20586 2006-01-22 Zack Weinberg <zackw@panix.com>
20588 * gensupport.c: Define get_insn_name and record_insn_name here.
20589 (read_md_rtx): Call record_insn_name as appropriate.
20590 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20591 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20592 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20594 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20595 (BUILD_VARRAY): Delete.
20596 (genprognormal): Rename genprogmd. Fold in all programs from
20597 genprognoprint; also attrtab.
20598 (build/genattrtab): Just mention genautomata.o and varray.o.
20599 Reorganize a bit, add comments to make the categories clearer.
20601 2006-01-22 Zack Weinberg <zackw@panix.com>
20603 * genconditions.c (condition_table, add_condition): Delete.
20604 (write_conditions): Don't emit n_insn_conditions nor
20605 insn_elision_unavailable. Issue the gcc version #ifdef here,
20606 inside the table, with no #else clause ...
20607 (write_header): ...not here.
20608 (write_writer): New function.
20609 (main): Don't initialize condition_table. Use add_c_test.
20611 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20612 files on the command line.
20613 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20614 Return -1 if there is no entry in the table, don't abort.
20615 (add_c_test, traverse_c_tests): New functions.
20616 * gensupport.h (insn_elision_unavailable, insn_conditions)
20617 (n_insn_conditions): Delete declarations.
20618 (add_c_test, traverse_c_tests): Declare.
20619 * read-rtl.c: Include gensupport.h.
20620 (read_conditions): New function.
20621 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20622 (read_rtx_1): If we get EOF when we were looking for an initial
20623 open paren, return 0. Call read_conditions when appropriate.
20624 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20625 dummy-conditions.o. Eliminate references to insn-conditions.o,
20626 or change them to build/gencondmd.o, as appropriate. Remove
20627 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20628 from $(simple_generated_c). For all files remaining in those
20629 two lists, add insn-conditions.md to the generator command line.
20630 Give insn-constants.h/s-constants their own rules. Add rules
20631 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20632 (build/read-rtl.o): Depend on gensupport.h.
20633 (genprognormal): Include preds.
20634 (genprogearly): Rename genprognoprint; only difference is now that
20635 they don't link with $(BUILD_PRINT).
20636 * dummy-conditions.c: Delete.
20638 2006-01-22 Zack Weinberg <zackw@panix.com>
20640 * genextract.c: Don't include insn-config.h. Do include vec.h.
20641 Declare vectors of int, char, and locstr.
20642 (locstr): New typedef.
20643 (struct extraction): Make all array fields into bare pointers.
20644 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20645 (insn_code_number): Delete.
20646 (accum_extract): New struct.
20647 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20648 (gen_insn): Take insn_code_number as an argument. Use an
20649 accum_extract structure instead of loading data directly into
20650 a struct extraction, and having to know how big it might get.
20651 (walk_rtx): Operate entirely on an accum_extract structure.
20652 (print_path): Avoid unnecessary use of printf.
20653 (print_header): New function, split out of main. Distinguish
20654 more carefully between an unrecognizable insn and an insn that
20655 has the code number of a define_expand.
20656 (main): Pass insn_code_number to gen_insn. Call print_header
20657 only after parsing. Avoid unnecessary use of printf.
20658 * Makefile.in (build/vec.o): New rule.
20659 (build/genextract): Depend on build/vec.o.
20660 (build/genextract.o): Don't depend on insn-config.h.
20662 2006-01-22 Zack Weinberg <zackw@panix.com>
20664 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20665 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20666 practical. Eliminate per-generator-program link rules.
20668 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20670 PR middle-end/24437
20671 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20672 with a call expr to ...
20673 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20675 2006-01-23 Richard Guenther <rguenther@suse.de>
20677 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20678 before make_edge with conditional EDGE_TRUE_VALUE.
20680 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20681 Jan Hubicka <jh@suse.cz>
20682 Richard Guenther <rguenther@suse.de>
20684 PR rtl-optimization/25654
20685 * cfgexpand.c (aggregate_contains_union_type): New function.
20686 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20687 for structure variables that contain a union type.
20689 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20691 * gengtype.c (new_structure): Return the structure.
20692 (create_option): Add an extra "next" argument.
20693 (create_field): New function.
20694 (adjust_field_rtx_def): Use create_option and create_field.
20695 Remove a now-unnecessary call to find_structure.
20696 (adjust_field_tree_def): Likewise.
20697 (note_yacc_type): Remove an unnecessary call to find_structure.
20698 * gengtype.h (new_structure): Return the structure.
20699 (create_option): Add an extra argument.
20700 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20701 (option): Adjust calls to create_option.
20703 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20705 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20707 2006-01-22 Paul Brook <paul@codesourcery.com>
20708 Peter Barada <peter@the-baradas.com>
20710 * config/m68k/m68k.md: Add Coldfire FPU support.
20711 Define FP mode macro and associated attributes.
20712 Use it for float mode patterns.
20713 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20714 (LIBCALL_VALUE): Use m68k_libcall_value.
20715 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20716 (m68k_function_value): Ditto.
20717 (emit_move_sequence): Ditto.
20718 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20719 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20720 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20721 (MULTILIB_EXCEPTIONS): Ditto.
20722 * config/m68k/m68k.opt: Add mcfv4e.
20723 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20724 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20725 (m68k_output_function_prologue): Save ColdFire FPU registers.
20726 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20727 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20728 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20729 ColdFire FPU registers.
20730 (m68k_libcall_value, m68k_function_value): New functions.
20731 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20732 (LIBCALL_VALUE): Use m68k_libcall_value.
20733 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20734 (MASK_COLDFIRE): Add MASK_CFV4E.
20735 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20736 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20737 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20738 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20739 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20740 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20741 * doc/invoke.tex: Document -mcfv4e on m68k.
20743 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20745 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20748 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20751 * c-opts.c (c_common_handle_option): Don't include
20752 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20753 * doc/invoke.texi (C++ Dialect Options): Document that
20754 -Wnon-virtual-dtor is no longer included in -Wall.
20756 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20758 * gcov.c (print_version), gcov-dump.c (print_version),
20759 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20762 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20764 * df-scan.c (problem_SCAN): Added NULL reset function.
20765 (df_scan_reset_blocks): Added code to call reset block function
20766 (df_bb_refs_delete) Fixed comment.
20767 (df_insn_refs_delete): Made tolerant of deleting non existent info
20768 for dataflow problems that need to be reset.
20769 * df-core.c (df_set_blocks): Ditto.
20770 * df.h (struct df_problem): Added reset_fun.
20771 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20772 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20773 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20774 functions to clear out all references to def-use or use-def chains.
20776 2006-01-21 Ben Elliston <bje@au.ibm.com>
20778 * varasm.c (assemble_real): Initialise data array.
20780 2006-01-20 Paul Brook <paul@codesourcery.com>
20782 Merge from csl-arm-branch.
20783 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20784 * config/arm/arm.md (movdi): Force operands[1] to a register
20785 if we have a non-register source.
20786 (*arm_movdi, *movdf_soft_insn): Require that one of the
20787 operands be a register.
20788 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20789 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20791 2006-01-20 DJ Delorie <dj@redhat.com>
20793 * varasm.c (initializer_constant_valid_p): Allow pointers
20794 initialized from integer constants of lesser precision.
20795 (output_constant): Allow non-int-sized pointer modes to be
20796 initialized from integer constants.
20798 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20801 * cppdefault.h (struct default_include): Add multilib flag.
20802 * cppdefault.c (cpp_include_defaults): Set it.
20803 * c.opt (-imultilib): New option.
20804 * c-opts.c (imultilib): New.
20805 (c_common_handle_option): Handle -imultilib.
20806 (c_common_post_options): Likewise.
20807 * c-incpath.c (add_standard_paths, register_include_chains):
20809 * c-incpath.h (register_include_chains): Add extra parameter.
20810 * gcc.c (do_spec_1): Generate -imultilib option.
20811 (The Specs Language): Update %I description.
20812 (process_command): Update copyright notice.
20813 * doc/cppopts.texi (-imultilib): Document.
20814 * doc/invoke.texi (-imultilib): Include in option summary.
20815 (%I): Update specs documentation.
20817 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20819 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20821 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20823 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20826 2006-01-20 Richard Guenther <rguenther@suse.de>
20827 Steven Bosscher <stevenb.gcc@gmail.com>
20829 PR rtl-optimization/24626
20830 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20831 EDGE_TRUE_VALUE if in RTL mode.
20834 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20835 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20837 2006-01-20 Dirk Mueller <dmueller@suse.com>
20840 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20841 instead of a special NOP marker.
20842 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20843 NOP marker handling.
20844 * c-common.h (empty_body_warning): Add forward declaration.
20845 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20846 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20848 2006-01-20 Paul Brook <paul@codesourcery.com>
20850 * Makefile.in (lang_checks): Keep going if mkdir fails.
20852 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20854 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20855 be able to clean out basic block when not necessary.
20856 (df_scan_free): Fixed to properly delete information if df is
20857 unused before calling df_finish.
20858 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20859 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20861 (df_bb_refs_delete): New function.
20862 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20863 * df-core.c (df_set_blocks): Added code to properly clean out
20864 unused blocks if they are not part of the blocks to consider.
20865 Added additional null check.
20866 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20867 be able to clean out basic block when not necessary
20868 * df.h (df_free_bb_function): Ditto.
20869 (df_bb_refs_delete): New function.
20870 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20871 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20872 basic block parameter to be able to clean out basic block when not
20874 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20875 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20876 Fixed to properly delete information if df is unused before
20879 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20881 PR rtl-optimization/25799
20882 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20883 Corrected confluence operator to remove bits from op2 before oring
20884 with op1 rather than removing bits from op1.
20885 (df_ru_transfer_function): Corrected test on wrong bitmap which
20886 caused infinite loop. Both of these problems were introduced in
20887 the dataflow rewrite.
20889 2006-01-19 DJ Delorie <dj@redhat.com>
20891 * reload1.c (find_reload_regs): Note the details of reload
20892 failures in the dump file.
20893 (spill_failure): Likewise.
20895 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20897 * loop-iv.c: Include df.h and hashtab.h.
20898 (enum iv_grd_result): New enum.
20899 (DF_REF_IV, DF_REF_IV_SET): New macros.
20900 (struct biv_entry): New.
20901 (df, bivs): New global variables.
20902 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20903 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20905 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20906 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20907 analyzed_for_bivness_p, record_biv): New functions.
20908 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20909 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20910 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20912 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20914 (iv_number_of_iterations): Use new interface to iv analysis.
20915 * loop-unroll.c: Do not include varray.h.
20916 (analyze_iv_to_split_insn): Use new interface to iv
20918 * loop-unswitch.c (may_unswitch_on): Ditto.
20919 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20921 (df_bb_modify): Realloc tables to the new index.
20922 (df_find_use): New function.
20923 * df.h (df_find_use): Declare.
20924 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20926 * cfgloop.h (struct rtx_iv): Remove analysed field.
20927 (iv_get_reaching_def): Removed.
20928 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20929 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20930 (loop-iv.o): Add df.h and hashtab.h dependency.
20931 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20933 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20936 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20938 (__floatundisf, __floatundidf): Likewise.
20939 * libgcc2.h (IS_IBM_EXTENDED): Define.
20941 2006-01-19 DJ Delorie <dj@redhat.com>
20943 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20945 2006-01-19 Paul Brook <paul@codesourcery.com>
20947 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20948 as nothrow when unwinding tables are disabled.
20950 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20953 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20954 of bit-field" when in system header.
20956 2006-01-19 DJ Delorie <dj@redhat.com>
20958 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20959 the 16 bit shift limit of the m16c.
20961 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20964 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20965 * config/i386/i386.c (output_set_got): Output the label if we have one
20966 for the TARGET_DEEP_BRANCH_PREDICTION case.
20968 2006-01-19 Jan Hubicka <jh@suse.cz>
20969 H.J. Lu <hongjiu.lu@intel.com>
20970 Evandro Menezes <evandro.menezes@amd.com>
20972 * invoke.texi (generic): Document
20974 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20975 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20976 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20977 (x86_use_incdec, x86_pad_returns): New variables
20978 (TARGET_CPU_DEFAULT_generic): New constant
20979 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20980 (enum processor_type): Add generic32 and generic64.
20981 * i386.md (cpu attribute): Add generic32/generic64
20982 (movhi splitter): Behave sanely when both partial_reg_dependency and
20983 partial_reg_stall are set.
20984 (K8 splitters): Enable for generic as well.
20985 * predicates.md (incdec_operand): Use TARGET_INCDEC
20986 (aligned_operand): Avoid memory mismatch stalls.
20987 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20988 * ppro.md: Enable for generic32
20989 * i386.c (generic64_cost, generic32_cost): New.
20990 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20991 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20992 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20993 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20994 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20995 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20996 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20997 x86_accumulate_outgoing_args, x86_prologue_using_move,
20998 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20999 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21000 Enable for generic.
21001 (x86_use_incdec, x86_pad_returns): New.
21002 (override_options): Add generic32 and generic64, translate "generic"
21003 to generic32/generic64 and "i686" to "generic32", refuse
21004 "generic32"/"generic64" as arch target.
21005 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21006 (ix86_reorg): Honor PAD_RETURNS.
21008 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21010 * tree-pretty-print.c (dump_generic_node): Handle
21011 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21012 * cgraph.c (cgraph_expand_queue): Rename from
21013 cgraph_analyze_queue. Update all users.
21014 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21015 cgraph_expand_queue.
21016 (cgraph_expand_all_functions): Likewise.
21017 (cgraph_finalize_pending_functions): Remove. Update callers.
21019 * tree.h (OMP_DIRECTIVE_P): Define.
21020 (OMP_PARALLEL_FN): Define.
21021 (OMP_PARALLEL_DATA_ARG): Define.
21022 (OMP_SECTIONS_SECTIONS): Define.
21023 * tree-pass.h (pass_expand_omp): Declare.
21024 * omp-low.c (struct omp_region): Declare.
21025 (struct omp_context): Remove fields 'parallel_type',
21026 'parallel_start_ix' and 'parallel_start_additional_args'.
21028 (struct omp_for_data): Rename from struct expand_omp_for_data.
21029 (omp_regions): New static variable.
21030 (root_omp_region): New static variable.
21031 (find_omp_clause): Make static.
21032 (is_in_combined_parallel_ctx): Remove.
21033 (is_combined_parallel): New.
21034 (extract_omp_for_data): Move earlier in the file.
21035 (workshare_safe_to_combine_p): New.
21036 (get_ws_args_for): New.
21037 (determine_parallel_type): Move earlier in the file.
21038 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21040 (omp_copy_decl): Likewise.
21041 (create_omp_child_function): Likewise.
21042 (lookup_omp_region): New.
21043 (dump_omp_region): New.
21044 (debug_omp_region): New.
21045 (debug_all_omp_regions): New.
21046 (new_omp_region): New.
21047 (scan_omp_parallel): If parallel_nesting_level > 1, the
21048 directive is nested within another parallel directive.
21049 Set OMP_PARALLEL_FN.
21050 (scan_omp_for): Do not try to handle combined parallel+for
21052 Remove FIXME comment.
21053 (scan_omp_nested): Remove.
21054 (scan_omp_1): Do not call scan_omp_nested when
21055 parallel_nesting_level is > 1.
21056 Do not change the DECL_CONTEXT of local variables found.
21057 (lookup_decl_in_outer_ctx): New.
21058 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21059 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21060 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21061 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21062 If CTX is nested, lookup VAR in the outer context when
21063 building copy assignment.
21064 (lower_send_clauses): Rename from expand_send_clauses.
21065 If CTX is nested, lookup VAR in the outer context when
21066 building copy assignments.
21067 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21068 If CTX is nested, lookup VAR in the outer context when
21069 building copy assignments.
21070 (expand_parallel_call): Rename from build_parallel_call.
21071 Handle combined parallel+workshare cases.
21072 Re-implement to emit code into the CFG.
21074 (expand_omp_parallel): Re-implement to emit code into the CFG.
21075 Call move_sese_region_to_fn to outline the sub-graph
21076 containing the parallel region.
21077 (expand_omp_for_1): Remove.
21078 (expand_omp_for_generic): Re-implement to emit code into the
21080 (expand_omp_for_static_nochunk): Likewise.
21081 (expand_omp_for_static_chunk): Likewise.
21082 (expand_omp_for): Likewise.
21083 (expand_omp_sections): Likewise.
21084 (remove_exit_barriers): New.
21085 (expand_omp_synch): New.
21087 (build_omp_regions_1): New.
21088 (build_omp_regions): New.
21089 (execute_expand_omp): New.
21090 (gate_expand_omp): New.
21091 (pass_expand_omp): Define.
21092 (lower_omp_sections): Rename from expand_omp_sections.
21093 Set OMP_SECTIONS_SECTIONS.
21094 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21095 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21096 (lower_omp_single): Rename from expand_omp_simple.
21097 (lower_omp_master): Rename from expand_omp_master.
21098 (lower_omp_ordered): Rename from expand_omp_ordered.
21099 (lower_omp_critical): Rename from expand_omp_critical.
21100 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21101 (lower_omp_for): Re-implement.
21102 (lower_omp_parallel): Re-implement.
21103 (lower_regimplify): Rename from expand_regimplify.
21104 (lower_omp_1): Rename from expand_omp_1.
21105 If there are syntax errors in the program, replace every
21106 OpenMP directive with NOP.
21107 Call lower_omp_* instead of expand_omp_*.
21108 (lower_omp): Rename from expand_omp.
21110 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21111 * tree-gimple.h (enum omp_parallel_type): Remove.
21112 (gimple_boolify): Declare extern.
21113 (find_omp_clause, determine_parallel_type): Remove.
21115 * gimple-low.c (lower_omp_directive): New.
21116 (lower_stmt): Call it.
21117 (record_vars_into): Move from ...
21118 (record_vars): ... here.
21119 Call record_vars_into with current_function_decl.
21121 * gimplify.c (struct gimplify_ctx): Remove fields
21122 combined_pre_p and combined_ctxp. Update users.
21123 (get_formal_tmp_var): Add documentation.
21124 (gimple_boolify): Make extern.
21125 (gimplify_expr_in_ctx): Remove. Update callers.
21126 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21127 will always be a BIND_EXPR.
21128 (gimplify_expr): Handle OMP_RETURN_EXPR.
21129 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21130 (OMP_PARALLEL): Add 3 operands.
21131 (OMP_SECTIONS): Add 1 operand.
21132 (OMP_RETURN_EXPR): Define.
21134 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21135 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21136 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21137 creating a circular free list.
21138 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21140 * tree-flow.h (move_sese_region_to_fn): Declare.
21141 (record_vars_into): Declare.
21142 * tree-cfg.c (make_omp_sections_edges): New.
21143 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21144 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21145 OMP_SECTIONS and OMP_SECTION.
21146 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21147 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21148 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21149 (gather_blocks_in_sese_region): New.
21150 (struct move_stmt_d): Declare.
21151 (move_stmt_r): New.
21152 (move_block_to_fn): New.
21153 (move_sese_region_to_fn): New.
21155 * passes.c (init_optimization_passes): Schedule
21156 pass_expand_omp after pass_init_datastructures.
21158 * tree-ssa-operands.c (get_expr_operands): Handle
21159 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21160 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21162 2006-01-19 Jeff Law <law@redhat.com>
21164 * tree-vrp.c (extract_range_from_assert): Refine the result range
21165 if the variable referenced by the ASSERT_EXPR has a range and
21166 either the tentative result range or the previous range is a
21169 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21171 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21173 2006-01-19 Jan Hubicka <jh@suse.cz>
21175 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21177 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21179 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21180 (expand_compound_operation, expand_field_assignment): Fail if the
21181 bit lengths of an extract operation are out of range.
21182 (make_extraction): Compute wanted_inner_mode based on the position
21183 and length of the extraction. Make it extraction_mode for non-constant
21184 positions, and do not modify offset in that case. When generating a
21185 new MEM, use a mode that can hold the extraction while keeping correct
21186 alignment. Remove code that supported MEMs wrapped by USEs.
21187 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21189 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21191 * config/s390/s390.md ("Y", "y"): New mode attribute.
21192 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21193 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21194 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21195 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21196 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21197 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21198 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21199 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21200 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21201 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21202 "addsi3", "subsi3"): Insn patterns removed.
21203 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21204 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21205 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21206 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21207 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21208 "*sub<mode>3_cconly2"): New insn patterns.
21209 ("addsi3", "subsi3"): New expanders.
21211 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21213 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21214 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21215 existing STMT_VINFO_VECTYPE if available.
21216 (vect_mark_relevant): Add special handling for stmts that are
21217 marked as STMT_VINFO_IN_PATTERN_P.
21218 (vect_analyze_loop): Call vect_pattern_recog.
21219 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21220 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21222 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21223 (vect_recog_func_ptr): New function-pointer type.
21224 * tree-vect-patterns.c: New file.
21225 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21226 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21227 (vect_pattern_recog_1): New functions.
21228 (vect_pattern_recog_funcs): New array of function pointers.
21230 * tree-vectorizer.h (ternary_op): New enum value.
21231 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21232 declaration. Revised documentation. Removed redundant dump prints.
21233 Removed redundant argument. Added support for reduction patterns.
21234 (vectorizable_reduction): Added support for reduction patterns.
21235 (vect_transform_stmt): Added support for patterns.
21237 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21238 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21239 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21240 (expand_widen_pattern_expr): New function.
21241 (init_optabs): Initialize new optabs udot_prod_optab,
21243 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21244 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21245 (expand_widen_pattern_expr): New function declaration.
21246 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21248 * tree-inline.c (estimate_num_insns_1): Added cases for new
21249 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21250 * tree-pretty-print.c (dump_generic_node): Likewise.
21251 (op_prio): Likewise.
21252 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21253 * tree-ssa-operands.c (get_expr_operands): Added case for
21255 * tree-vect-patterns.c (widened_name_p): New function.
21256 (vect_recog_dot_prod_pattern): Added function implementation.
21257 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21258 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21259 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21260 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21262 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21263 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21264 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21265 (init_optabs): Initialize new optabs widen_ssum_optab,
21267 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21268 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21269 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21270 use instead of type of def.
21271 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21272 function implementation.
21273 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21274 widen_ssumv8hi): New.
21276 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21279 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21282 * c-decl.c (add_flexible_array_elts_to_size): New function.
21283 (finish_decl): Use it.
21285 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21287 * diagnostic.h: Include options.h.
21288 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21289 dependancies for diagnostic.h.
21290 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21292 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21294 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21295 (ssa_ro_call_cache_valid): Ditto.
21296 * tree-ssa-alias.c (sort_tags_by_id): New function.
21297 (init_transitive_clobber_worklist): Ditto.
21298 (add_to_worklist): Ditto.
21299 (mark_aliases_call_clobbered): Ditto.
21300 (compute_tag_properties): Ditto.
21301 (set_initial_properties): Ditto.
21302 (compute_call_clobbered): Ditto.
21303 (compute_may_aliases): Call compute_call_clobbered and grouping.
21304 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21305 (compute_flow_insensitive_aliasing): Grouping now happens in our
21307 (setup_pointers_and_addressables): Remove clobbering related code.
21308 (add_may_alias): Ditto.
21309 (replace_may_alias): Ditto.
21310 (get_nmt_for): Ditto.
21311 (create_global_var):
21312 (is_escape_site): Return an escape_type enumeration.
21313 * tree-flow-inline.h (is_call_clobbered): Global var does not
21314 imply call clobbered.
21315 (mark_call_clobbered): Take a reason for marking this. Remove
21316 marking of globalness, and cache invalidation.
21317 (clear_call_clobbered): Remove cache invalidation code.
21318 * tree-dfa.c (dump_variable): If details is on, dump the reason
21320 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21322 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21323 (struct var_ann_d): Ditto.
21324 (enum escape_type): New.
21325 (mark_call_clobbered): Adjust prototype.
21326 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21327 are never call clobbered.
21328 Record reasons for escaping.
21329 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21330 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21331 (ssa_ro_call_cache_valid): Ditto.
21332 (clobbered_v_may_defs): Ditto.
21333 (clobbered_vuses): Ditto.
21334 (ro_call_vuses): Ditto.
21335 (clobber_stats): New.
21336 (init_ssa_operands): Zero out clobber stats.
21337 (fini_ssa_operands): Print out clobber stats.
21338 (get_call_expr_operands): Pass callee fndecl to
21339 add_call_read_ops).
21340 (add_call_clobber_ops): Remove use of cache.
21341 Add use of PURE_CONST information.
21342 (add_call_read_ops): Remove use of cache.
21343 Add use of static not_read information.
21345 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21347 Introduce TLS descriptors for i386 and x86_64.
21348 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21349 (TARGET_ANY_GNU_TLS): New macro.
21350 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21351 (struct machine_function): Add tls_descriptor_call_expanded_p.
21352 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21353 (ix86_current_function_calls_tls_descriptor): Likewise.
21354 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21355 (override_options): Introduce gnu2 tls dialect.
21356 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21358 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21360 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21361 (ix86_init_machine_status): Initialize new field.
21362 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21363 (ix86_tls_module_base): New.
21364 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21365 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21366 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21367 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21368 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21369 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21370 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21371 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21372 * config/i386/predicates.md (tls_modbase_operand): New.
21373 (tp_or_register_operand): New.
21375 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21377 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21378 (look_for_address_of): Ditto.
21379 (ipa_init): Walk the function decls.
21380 (static_execute): Don't set readonly on FUNCTION_DECL's.
21382 2006-01-18 Roger Sayle <roger@eyesopen.com>
21384 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21385 for shifts where the source and destination registers are different.
21387 2006-01-18 Paul Brook <paul@codesourcery.com>
21389 Merge from csl-arm-branch.
21390 2005-03-14 Julian Brown <julian@codesourcery.com>
21391 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21392 (aeabi_llsl): Likewise.
21393 (ashrdi3): Likewise.
21394 (aeabi_lasr): Likewise.
21395 (lshrdi3): Likewise.
21396 (aeabi_llsr): Likewise.
21397 2005-03-10 Julian Brown <julian@codesourcery.com>
21398 * config.gcc: Disable shared libgcc for SymbianOS.
21399 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21401 2006-01-18 DJ Delorie <dj@redhat.com>
21403 * c-pragma.c (handle_pragma_diagnostic): New.
21404 (init_pragma): Register it.
21405 * doc/extend.texi: Document it.
21407 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21408 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21409 (diagnostic_context): Add classify_diagnostic[].
21410 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21411 as errors if they're overridden to DK_WARNING.
21412 (diagnostic_initialize): Initialize classify_diagnostic[].
21413 (diagnostic_set_kind_override): New.
21414 (diagnostic_report_diagnostic): Check for kind changes.
21415 * opts.c (common_handle_option): Take lang_mask. Update callers.
21416 Handle OPT_Werror_.
21417 * common.opt (Werror=): New.
21418 * doc/invoke.texi: Document -Werror=*
21420 2006-01-18 Jeff Law <law@redhat.com>
21422 * tree-vrp.c (test_for_singularity): Correct test for new
21423 min limit. Use operand_equal_p rather than pointer equality
21424 for testing if new min/max values are equal.
21426 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21427 using range information until after propagation and folding.
21429 2006-01-18 Richard Henderson <rth@redhat.com>
21430 Aldy Hernandez <aldyh@redhat.com>
21431 Jakub Jelinek <jakub@redhat.com>
21432 Diego Novillo <dnovillo@redhat.com>
21434 * omp-low.c: New file.
21435 * c-omp.c: New file.
21437 2006-01-18 Richard Henderson <rth@redhat.com>
21438 Jakub Jelinek <jakub@redhat.com>
21439 Diego Novillo <dnovillo@redhat.com>
21441 * doc/invoke.texi: Document -fopenmp.
21442 * tree-dump.h (debug_function): Declare.
21443 * hooks.c (hook_bool_tree_bool_false): New function.
21444 (hook_tree_tree_null): Remove.
21445 (hook_tree_tree_tree_null): New.
21446 * hooks.h: Update to match.
21447 * tree-pretty-print.c (debug_tree_chain): New.
21448 (print_generic_expr): Handle TDF_CHAIN.
21449 (dump_generic_node): Handle BLOCK.
21450 Do not abort with incomplete SWITCH_EXPRs.
21451 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21452 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21453 print space after directive name.
21454 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21455 Handle OMP_MASTER and OMP_ORDERED.
21456 Handle printing of OMP_BODY just in one place, goto
21457 dump_omp_body in the rest of OMP_* nodes that have
21459 Don't handle clause nodes here. Update omp statements to
21460 use dump_omp_clauses.
21461 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21462 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21463 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21464 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21465 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21466 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21467 Adjust output for GOMP_PARALLEL.
21468 (dump_omp_clauses): New.
21469 (print_declaration): Dump DECL_VALUE_EXPR.
21470 (op_symbol_1): Split out of op_symbol.
21471 (dumping_stmts): Remove. Update all users.
21472 * cgraph.c (cgraph_analyze_queue): New.
21473 (cgraph_add_new_function): New.
21474 * cgraph.h (cgraph_analyze_queue): Declare.
21475 (cgraph_add_new_function): Declare.
21476 (cgraph_lower_function): Remove.
21477 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21478 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21479 and TYPE_P nodes in its default clause.
21480 (empty_body_p): New.
21481 (tree_range_check_failed): New.
21482 (build5_stat): New.
21483 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21484 OMP_CLAUSE_REDUCTION_MERGE,
21485 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21486 OMP_CLAUSE_PRIVATE_DEBUG,
21487 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21488 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21489 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21490 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21491 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21492 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21493 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21494 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21495 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21496 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21497 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21498 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21499 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21500 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21501 (TREE_RANGE_CHECK): New.
21502 (empty_body_p): Declare.
21503 (enum omp_clause_default_kind): New.
21504 (build_string_literal): Declare.
21505 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21506 (build5_stat, build5): Declare.
21507 * tree-pass.h (TDF_CHAIN): Define.
21508 * tree-pass.h (PROP_gimple_lomp): Define.
21509 (pass_lower_omp): Declare.
21510 * diagnostic.h (debug_tree_chain): Declare.
21511 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21513 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21514 * builtins.c (build_string_literal): Make extern.
21515 * gcc.c (include_spec_function): New.
21516 (static_spec_functions): Add it.
21517 (main): Move load of libgomp.spec ...
21518 (LINK_COMMAND_SPEC): ... here.
21519 (link_gomp_spec): New.
21520 (static_specs): Include it.
21521 (LINK_COMMAND_SPEC): Add link_gomp.
21522 (GOMP_SELF_SPECS): New.
21523 (driver_self_specs): Include it.
21524 (switch_matches): Don't mark inline.
21525 (main): Load libgomp.spec.
21526 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21527 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21528 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21529 * tree-gimple.h (enum omp_parallel): Declare.
21530 (determine_parallel_type): Declare.
21531 (omp_firstprivatize_variable): Declare.
21532 (omp_reduction_init): Declare.
21533 (diagnose_omp_structured_block_errors): Declare.
21534 (struct walk_stmt_info): Add want_return_expr.
21535 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21536 (find_omp_clause): Declare.
21537 (insert_field_into_struct): Declare.
21538 (struct walk_stmt_info): Move from tree-nested.c
21539 (walk_stmts): Declare.
21540 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21542 * cgraphunit.c (cgraph_lower_function): Make static.
21543 (cgraph_finalize_pending_functions): New.
21544 (cgraph_finalize_function): Call it.
21545 (cgraph_finalize_compilation_unit): Likewise.
21546 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21547 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21548 (BT_FN_UINT_UINT): New.
21549 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21550 DEF_FUNCTION_TYPE_VAR_4): Document.
21551 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21552 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21553 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21554 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21555 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21556 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21557 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21558 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21559 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21560 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21561 into separate files.
21562 (DEF_GOMP_BUILTIN): New.
21563 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21564 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21565 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21566 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21567 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21568 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21569 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21570 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21571 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21572 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21573 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21574 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21575 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21576 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21577 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21578 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21579 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21580 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21581 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21582 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21583 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21584 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21585 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21586 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21587 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21588 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21589 * sync-builtins.def: New file, moved from builtins.def.
21590 * omp-builtins.def: New file, moved from builtins.def.
21591 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21592 * gimple-low.c (lower_function_body): Clear data.
21593 (lower_stmt): Do not handle COMPOUND_EXPR.
21594 Remove call to print_node_brief.
21595 * c-tree.h (c_finish_omp_clauses): New prototype.
21596 (C_DECL_THREADPRIVATE_P): Define.
21597 (lookup_name_no_remap, c_omp_remap_private): Remove
21598 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21599 (check_for_loop_decls): Update decl.
21600 (lookup_name_no_remap, c_omp_remap_private): Declare.
21601 (build_indirect_ref, build_modify_expr, pushdecl,
21602 pushdecl_top_level): Move to c-common.h.
21603 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21604 before the switch, but just in the 2 places that need it.
21605 * c-decl.c (diagnose_mismatched_decls): Do not check for
21606 mismatched thread-local attributes when OLDDECL is marked
21607 threadprivate and NEWDECL has no thread-local attributes.
21608 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21609 (c_gimple_diagnostics_recursively): Rename from
21610 c_warn_unused_result_recursively. Invoke
21611 diagnose_omp_structured_block_errors.
21612 (check_for_loop_decls): Return a singular decl found.
21613 * langhooks.c (lhd_omp_predetermined_sharing): Return
21614 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21615 (lhd_omp_firstprivatize_type_sizes): New.
21616 (lhd_omp_assignment): New.
21617 (lhd_omp_predetermined_sharing): New.
21618 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21619 (struct lang_hooks_for_types): Add
21620 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21621 omp_predetermined_sharing, omp_disregard_value_expr,
21622 omp_private_debug_clause, omp_clause_default_ctor,
21623 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21624 (c_finish_omp_clauses): New.
21625 (c_finish_bc_stmt): Diagnose break within omp for.
21626 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21627 (build_unary_op): Return error_mark after reporting
21629 (build_modify_expr): Likewise.
21630 * gimplify.c: Include optabs.h and pointer-set.h.
21631 (enum gimplify_omp_var_data): Declare.
21632 (struct gimplify_omp_ctx): Declare.
21633 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21635 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21636 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21637 (splay_tree_compare_decl_uid): New.
21638 (new_omp_context): New.
21639 (delete_omp_context): New.
21640 (gimple_add_tmp_var): Call omp_add_variable.
21641 (gimplify_bind_expr): Likewise.
21642 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21643 true, disregard DECL_VALUE_EXPR on the decl if any.
21644 (gimplify_expr_in_ctx): New.
21645 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21646 omp_add_variable, omp_notice_variable, omp_is_private
21647 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21648 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21649 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21650 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21651 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21652 gimplify_omp_atomic): New.
21653 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21654 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21655 OMP_CRITICAL and OMP_ATOMIC.
21656 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21657 * c-pragma.h (enum pragma_kind): Add
21658 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21659 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21660 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21661 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21662 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21663 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21664 PRAGMA_OMP_THREADPRIVATE.
21665 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21666 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21667 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21668 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21669 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21670 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21671 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21672 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21673 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21674 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21675 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21676 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21677 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21679 (struct nesting_info): Add field_map,
21680 suppress_expansion, debug_var_chain.
21681 (create_nesting_tree): Initialize them.
21682 (lookup_field_for_decl): Use field_map.
21683 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21684 (convert_local_omp_clauses): New.
21685 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21686 (walk_body): Split out of walk_function.
21687 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21688 (convert_nonlocal_reference): Handle omp statements.
21689 (convert_local_reference): Likewise.
21690 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21691 (unnest_nesting_tree): New.
21692 (lower_nested_functions): Call it.
21693 (insert_field_into_struct): Make extern.
21694 (struct walk_stmt_info): Move to tree-gimple.h.
21695 (walk_stmts): Make extern.
21696 * omp-builtins.def: New file.
21697 * tree-iterator.c (expr_only): Clarify comment.
21698 * c-common.h (pushdecl_top_level, pushdecl,
21699 build_modify_expr, build_indirect_ref,
21700 c_finish_omp_master, c_finish_omp_critical,
21701 c_finish_omp_ordered, c_finish_omp_barrier,
21702 c_finish_omp_atomic, c_finish_omp_flush,
21703 c_finish_omp_for, c_split_parallel_clauses,
21704 omp_clause_default_kind, c_omp_sharing_predetermined,
21705 c_omp_remap_decl): Declare.
21706 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21707 (OBJS-common): Add omp-low.o.
21708 (c-omp.o, omp-low.o): Add.
21709 (gimplify.o): Add dependency on $(OPTABS_H).
21710 (GTFILES): Add omp-low.c.
21711 (gt-stringpool.h): Add.
21712 * tree-cfg.c (set_bb_for_stmt): Do not update the
21713 block-to-labels map if we are currently expanding to RTL.
21714 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21716 Handle IDENTIFIER_NODE.
21717 (tree_verify_flow_info): Do not ICE when emitting error
21718 messages about invalid labels.
21719 (dump_function_to_file): Reset CFUN before emitting the body
21721 (debug_function): New.
21722 * passes.c (init_optimization_passes): Schedule
21724 * langhooks-def.h (lhd_omp_predetermined_sharing,
21725 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21727 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21728 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21729 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21730 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21731 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21732 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21733 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21734 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21735 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21736 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21737 (LANG_HOOK_DECLS): Use them.
21739 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21740 Richard Henderson <rth@redhat.com>
21741 Jakub Jelinek <jakub@redhat.com>
21742 Diego Novillo <dnovillo@redhat.com>
21744 * c-parser.c (pragma_omp_clause): Define.
21745 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21746 (c_parser_compound_statement): Likewise.
21747 (c_parser_statement): Likewise.
21748 (c_parser_pragma): Handle omp pragmas.
21749 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21750 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21751 (c_parser_omp_clause_name, check_no_duplicate_clause,
21752 c_parser_omp_variable_list,
21753 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21754 c_parser_omp_clause_copyprivate,
21755 c_parser_omp_clause_default,
21756 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21757 c_parser_omp_clause_lastprivate,
21758 c_parser_omp_clause_nowait,
21759 c_parser_omp_clause_num_threads,
21760 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21761 c_parser_omp_clause_reduction,
21762 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21763 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21764 c_parser_omp_atomic, c_parser_omp_barrier,
21765 c_parser_omp_critical, c_parser_omp_flush,
21766 c_parser_omp_for_loop, c_parser_omp_for,
21767 c_parser_omp_master, c_parser_omp_ordered,
21768 c_parser_omp_sections_scope, c_parser_omp_sections,
21769 c_parser_omp_parallel, c_parser_omp_single,
21770 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21771 * c-pragma.c (init_pragma): Do omp pragma registration here.
21772 * c.opt (fopenmp): New flag.
21774 2006-01-18 Eric Christopher <echristo@apple.com>
21776 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21777 * config/darwin.h (GOMP_SELF_SPECS): Define.
21779 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21781 * rtl.h: Remove the prototype for reg_alloc.
21783 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21786 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21787 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21788 sjlj and dwarf2 exception handling.
21789 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21790 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21791 * pa/pa.c (function_value): Treat complex and vector types as
21793 (function_arg): Likewise. Only pass scalar floats in the floating
21794 point argument registers.
21795 * pa/t-slibgcc-dwarf-ver: New file.
21796 * pa/t-slibgcc-sjlj-ver: New file.
21797 * pa/t-slibgcc-elf-ver: Delete file.
21799 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21801 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21802 unlikely_test_section_p test.
21804 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21806 * mode-switching.c (optimize_mode_switching): Make it static.
21807 * basic-block.h: Remove the prototype for
21808 optimize_mode_switching.
21810 * modulo-sched.c (sms_schedule): Make it static.
21811 * rtl.h: Remove the prototype for sms_schedule.
21813 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21814 * rtl.h: Remove the prototype for gcse_after_reload_main.
21816 * reg-stack.c (reg_to_stack): Make it static.
21817 * rtl.h: Remove the prototype for reg_to_stack.
21819 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21821 * rtl.h: Remove the prototypes for regrename_optimize and
21822 copyprop_hardreg_forward.
21824 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21826 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21827 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21828 Test against the appropriate null constant for the mode.
21829 If 'fixup_overlap' is true, swap the operands if they overlap.
21830 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21831 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21832 alpha_split_tmode_pair and adjust for above change.
21833 * config/alpha/alpha.md (movtf_internal): Adjust call to
21834 alpha_split_tfmode_pair and rely on it to swap the operands.
21835 (movti_internal): New insn and post-reload splitter.
21836 (movti): New expander.
21838 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21840 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21843 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21845 * rtlanal.c (global_reg_mentioned_p_1,
21846 global_reg_mentioned_p): Remove.
21847 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21849 * flow.c (initialize_uninitialized_subregs): Make it static.
21850 * rtl.h: Remove the prototype for
21851 initialize_uninitialized_subregs.
21853 * function.c (instantiate_virtual_regs): Make it static.
21854 * function.h: Remove the prototype for
21855 instantiate_virtual_regs.
21857 * regmove.c (regmove_optimize, combine_stack_adjustments):
21859 * rtl.h: Remove the prototypes for regmove_optimize and
21860 combine_stack_adjustments.
21862 2006-01-17 Roger Sayle <roger@eyesopen.com>
21864 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21865 (size_cost): Encode costs in bytes so that a reg-reg addition is
21866 equivalent to COSTS_N_INSNS(1).
21867 (override_options): Use the size_cost.branch_cost as the default
21868 ix86_branch_cost when optimizing for size.
21870 2006-01-18 Ben Elliston <bje@au.ibm.com>
21872 * Makefile.in (D32PBIT_FUNCS): New.
21873 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21874 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21875 D64PBIT_FUNCS and D128PBIT_FUNCS.
21876 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21877 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21879 (decnumber_dep): Define.
21880 * doc/libgcc.texi (Decimal float library routines): New node.
21881 * config/dfp-bit.h, config/dfp-bit.c: New files.
21883 2006-01-18 Ben Elliston <bje@au.ibm.com>
21885 * expr.c (emit_move_change_mode): Always adjust addresses, not
21886 just during reload. Copy replacements only during reload.
21887 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21888 emit_move_via_integer.
21890 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21892 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21893 instead of $(srcdir) and ${srcdir}.
21895 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21898 PR middle-end/11135
21899 * arm.h (struct machine_function): Add pic_reg.
21900 * arm.c (arm_pic_register): Make unsigned.
21901 (arm_override_options): Only set arm_pic_register if
21902 TARGET_SINGLE_PIC_BASE.
21903 (use_return_insn): Only test for a pic register if it is fixed.
21904 (arm_compute_save_reg0_reg12_mask): Likewise.
21905 (thumb_compute_save_reg_mask): Likewise.
21906 (legitimate_pic_operand): Factor out some known invariants.
21907 (legitimize_pic_address): If we don't have a fixed pic register,
21908 then set up a pseudo in the function entry sequence. Handle the
21909 pic base being in a pseudo.
21910 (arm_load_pic_register): Handle the pic register being in a pseudo.
21911 (arm_expand_prologue): Only set up the pic register if it is fixed.
21912 (thumb_expand_prologue): Likewise.
21913 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21914 (pic_load_addr_based_insn): Likewise.
21915 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21918 2006-01-18 Ben Elliston <bje@au.ibm.com>
21920 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21921 decimal float modes for all floating point registers.
21923 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21924 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21926 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21929 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21930 even when the pointer is not NULL.
21932 2006-01-16 Ian Lance Taylor <ian@airs.com>
21934 * common.opt (ftoplevel-reorder): New option.
21935 * cgraph.c (cgraph_asm_nodes): New global variable.
21936 (cgraph_asm_last_node): New static variable.
21937 (cgraph_order): New global variable.
21938 (cgraph_create_node): Set new order field.
21939 (cgraph_varpool_node): Likewise.
21940 (decide_is_variable_needed): Return true if not
21941 flag_toplevel_reorder.
21942 (cgraph_add_asm_node): New function.
21943 * cgraph.h (struct cgraph_node): Add order field.
21944 (struct cgraph_varpool_node): Add order field.
21945 (struct cgraph_asm_node): Define.
21946 (cgraph_asm_nodes, cgraph_order): Declare.
21947 (cgraph_add_asm_node): Declare.
21948 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21950 (cgraph_varpool_assemble_pending_decls): Call it.
21951 (cgraph_output_pending_asms): New static function.
21952 (cgraph_finalize_compilation_unit): Call it.
21953 (struct cgraph_order_sort): Define.
21954 (cgraph_output_in_order): New static function.
21955 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21956 !flag_toplevel_reorder case.
21957 * c-parser.c: Include "cgraph.h".
21958 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21960 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21961 than -fno-unit-at-a-time.
21962 * doc/invoke.texi (Option Summary): Mention
21963 -fno-toplevel-reorder.
21964 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21965 -funit-at-a-time documentation.
21967 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21968 Kazu Hirata <kazu@codesourcery.com>
21970 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21972 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21974 * Makefile.in (FUNCTION_H): New. Use it instead of
21975 function.h throughout the file.
21976 * function.h: Include tree.h.
21978 2006-01-17 Ben Elliston <bje@au.ibm.com>
21980 * recog.c: Separate some functions with whitespace.
21982 2006-01-16 Richard Henderson <rth@redhat.com>
21984 Merge from gomp branch:
21985 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21986 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21987 and rename from struct inline_data. Rename callee* to dst*;
21988 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21989 transform_new_cfg, transform_return_to_modify, and
21990 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21992 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21993 (copy_decl_for_dup): Remove.
21994 * tree-inline.c (struct inline_data): Move to header.
21995 (insert_decl_map): Export.
21996 (remap_decl): Update for member name changes. Use copy_decl hook.
21997 Allow for replacement to be a non-decl. Remove dead code.
21998 (remap_type_1): Check for existing mapping.
21999 (remap_type): Export.
22000 (remap_decls): Update for member name changes.
22001 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22002 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22003 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22004 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22005 (tree_function_versioning, build_duplicate_type): Likewise.
22006 (copy_body_r): Likewise. Export.
22007 (copy_decl_for_dup): Split into ...
22008 (copy_decl_for_dup_finish, copy_decl_to_var,
22009 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22010 (replace_ref_tree, inlining_p): Remove.
22012 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22014 * ifcvt.c (if_convert): Make it static.
22015 * rtl.h: Remove the prototype for if_convert.
22017 * local-alloc.c (local_alloc): Make it static.
22018 * rtl.h: Remove the prototype for local_alloc.
22020 * loop.c (loop_optimize): Make it static.
22021 * cfgloop.h: Remove the prototype for loop_optimize.
22024 2006-01-16 DJ Delorie <dj@redhat.com>
22026 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22029 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22031 * pa.md: Disparage copies between general and floating-point registers
22032 in 32-bit move patterns.
22034 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22037 * Makefile.in (check-%): Depend on site.exp instead of
22038 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22041 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22043 * global.c (global_alloc): Make it static.
22044 * rtl.h: Remove the prototype for global_alloc.
22046 2006-01-16 Richard Guenther <rguenther@suse.de>
22048 * tree-ssa-alias.c (struct used_part): Add write_only field.
22049 (get_or_create_used_part_for): Initialize it to true.
22050 (create_overlap_variables_for): Don't create structure variables
22051 for structures that only are written to.
22052 (find_used_portions): Handle MODIFY_EXPR to track whether a
22053 structure is only written to.
22055 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22057 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22059 * basic-block.h: Remove the prototype for
22060 partition_hot_cold_basic_blocks.
22062 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22064 * cppspec.c (lang_specific_spec_functions): Remove.
22065 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22066 * gcc.h (lang_specific_spec_functions): Remove.
22067 * gccspec.c (lang_specific_spec_functions): Remove.
22069 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22071 * combine.c (record_value_for_reg): Invalidate registers
22073 (record_dead_and_set_regs_1): Likewise, by passing them to
22074 record_value_for_reg.
22075 (record_dead_and_set_regs): Invalidate stores made by a
22076 call. We do not combine across a call, but we still
22077 relied on equivalences.
22079 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22081 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22082 vrp_int_const_binop returning non-constant nodes.
22084 2006-01-16 Paul Brook <paul@codesourcery.com>
22086 * config/m68k/m68k.c (output_move_const_into_data_reg):
22087 Output correct mnemonic for mvz and mvs.
22089 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22091 * rtl-factoring.c: Add sequence abstraction algorithm.
22092 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22093 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22095 (block_has_preserve_label): New function.
22096 * common.opt: Register new pass.
22097 * Makefile.in: Ditto.
22099 * timevar.def: Ditto.
22100 * tree-pass.h: Ditto.
22101 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22102 * rtl.h (make_jump_insn_raw): Add forward decl.
22103 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22105 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22106 Roger Sayle <roger@eyesopen.com>
22108 * fold-const.c (fold_minmax): New static function.
22109 (fold_binary) <MIN_EXPR>: Call it.
22110 <MAX_EXPR>: Likewise.
22111 * stor-layout.c (place_field): Use DECL_SIZE consistently
22112 in the computation of the new record size.
22114 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22116 * cse.c (cse_condition_code_reg): Make it static.
22117 * rtl.h: Remove the prototype for cse_condition_code_reg.
22119 * combine.c (combine_instructions): Make it static.
22120 * rtl.h: Remove the prototype for combine_instructions.
22122 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22125 * tree.c (get_file_function_name_long): Concatenate the first global
22126 object name with a string derived from the input filename of the object
22129 2006-01-16 Ben Elliston <bje@au.ibm.com>
22131 * config/i386/winnt-stubs.c: Update FSF address.
22132 * config/xtensa/ieee754-df.S: Ditto.
22133 * config/xtensa/ieee754-sf.S: Ditto.
22135 2006-01-14 Ian Lance Taylor <ian@airs.com>
22137 * ifcvt.c (noce_init_if_info): New static function, broken out of
22138 noce_process_if_block.
22139 (noce_process_if_block): Call noce_init_if_info.
22140 (check_cond_move_block): New static function.
22141 (cond_move_process_if_block): New static function.
22142 (process_if_block): Call cond_move_process_if_block.
22144 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22146 * cselib.c (hash_table): Rename to cselib_hash_table.
22147 (cselib_clear_table, discard_useless_values,
22148 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22149 cselib_init, cselib_finish): Adjust uses of hash_table.
22151 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22153 PR tree-optimization/25485
22154 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22155 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22156 is known to be false and true, respectively.
22158 2006-01-14 Richard Guenther <rguenther@suse.de>
22160 PR tree-optimization/22548
22161 PR tree-optimization/22555
22162 PR tree-optimization/22501
22163 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22164 * params.def (salias-max-array-elements): New parameter.
22165 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22166 * doc/invoke.texi (salias-max-array-elements): Document.
22167 * tree-flow-inline.h (var_can_have_subvars): We also handle
22169 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22171 * tree-ssa-structalias.c (params.h): Include.
22172 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22173 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22174 (get_constraint_for): For ADDR_EXPR operating on something
22175 containing an ARRAY_REF, add all subvars to the solution.
22176 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22177 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22178 for creating MUST_DEFs.
22179 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22181 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22183 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22185 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22186 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22187 number_of_iterations_le): New functions.
22188 (number_of_iterations_special): Removed.
22189 (number_of_iterations_exit): Do not use number_of_iterations_special.
22190 * tree.c (unsigned_type_for): Always return integer type.
22192 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22193 Richard Guenther <rguenther@suse.de>
22195 PR rtl-optimization/24257
22196 * gcse.c (find_moveable_store): Only consider a store movable
22197 when the SET_SRC of the insn can be assigned to a register.
22199 2006-01-14 Ian Lance Taylor <ian@airs.com>
22201 * tree.c (tree_not_class_check_failed): New function.
22202 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22203 (tree_not_class_check_failed): Declare.
22205 2006-01-13 Ian Lance Taylor <ian@airs.com>
22207 * reload1.c (do_output_reload): Add assertion rejecting a
22210 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22212 * combine.c (struct reg_stat): Add new fields truncation_label and
22214 (record_value_for_reg): Reset truncated_to_mode.
22215 (record_truncated_value): New function.
22216 (check_promoted_subreg): Call it. Rename to check_conversions.
22217 (combine_instructions): Rename check_promoted_subreg to
22219 (reg_truncated_to_mode): New function.
22220 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22221 (gen_lowpart_or_truncate): New function.
22222 (force_to_mode): Use it instead of gen_lowpart.
22224 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22226 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22227 VAR is a tag, not its type tag.
22229 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22231 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22232 alternatives to match style of other entries.
22233 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22235 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22237 PR tree-optimization/25771
22238 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22241 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22244 * tree-inline.c (declare_return_variable): If the return variable
22245 was marked as a non gimple complex, set the return slot variable
22246 to be a non gimple comple variable.
22248 2006-01-13 Richard Guenther <rguenther@suse.de>
22250 * builtins.c (expand_builtin_sincos): New function.
22251 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22253 (expand_builtin): Expand sincos using expand_builtin_sincos.
22255 2006-01-12 DJ Delorie <dj@redhat.com>
22257 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22258 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22259 so that constant shifts can be split.
22260 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22261 (m32c_valid_pointer_mode): Make static.
22262 (shift_gen_func_for): New.
22263 (m32c_prepare_shift): Use it. Split large const shifts into
22265 * config/m32c/predicates.md (shiftcount_operand): Allow more
22267 (longshiftcount_operand): New.
22268 * doc/md.texi (Machine Constraints): Document In6.
22270 2006-01-13 Ben Elliston <bje@au.ibm.com>
22272 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22273 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22276 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22278 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22279 to try to avoid clobbering pieces of structures when we know
22280 something about the whole structure.
22281 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22283 2006-01-13 Ben Elliston <bje@au.ibm.com>
22285 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22286 return in memory, as this is no limitation is no longer present.
22288 2006-01-12 DJ Delorie <dj@redhat.com>
22290 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22291 mova with fb, and for fb+0 -> An.
22293 * config/m32c/mov.md (peephole2): Fix enabling logic.
22295 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22296 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22297 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22298 FINI_ARRAY_SECTION_ASM_OP): Define.
22300 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22302 (m32c_legitimize_reload_address): New logic to reload FB to An.
22303 (m32c_output_reg_push): Add newline.
22304 (m32c_output_reg_pop): Likewise.
22306 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22308 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22310 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22312 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22314 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22316 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22319 2006-01-11 Ben Elliston <bje@au.ibm.com>
22321 * rtlanal.c (find_reg_note): Assert insn is not null.
22323 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22325 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22328 2006-01-11 Jeff Law <law@redhat.com>
22330 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22332 (mark_threaded_blocks, register_jump_thread): New functions.
22333 (thread_through_all_blocks): Remove unwanted argument. No
22334 longer rely on e->aux to communicate thread target info.
22335 Call mark_threaded_blocks. Release the threaded_blocks
22336 bitmap and threaded_edges vector when complete.
22337 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22338 (threaded_blocks): Remove.
22339 (tree_ssa_dominator_optimize): Remove initialization and
22340 finalization of threaded_blocks. Simplify call to
22341 thread_through_all_blocks.
22342 (thread_across_edge): Call register_jump_thread rather than
22343 storing thread information into e->aux.
22344 (free_all_edge_infos): Simplify now that e->aux is no longer
22345 used to communicate with thread_through_all_blocks.
22346 * tree-flow.h (thread_through_all_blocks): Update prototype.
22347 (register_jump_thread): Prototype.
22349 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22351 * df-core.c (df_compact_blocks, df_bb_replace): Use
22352 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22354 2006-01-11 Richard Guenther <rguenther@suse.de>
22356 PR tree-optimization/25734
22357 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22358 stop propagation after successful propagation to the LHS.
22360 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22362 * basic-block.h (control_flow_graph): Change the type of
22363 x_basic_block_info to VEC(basic_block,gc) *.
22364 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22366 (SET_BASIC_BLOCK): New.
22367 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22368 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22369 * cfgbuild.c (find_basic_blocks): Likewise.
22370 * cfglayout.c (fixup_reorder_chain): Likewise.
22371 * cfgrtl.c (create_basic_block_structure,
22372 rtl_create_basic_block): Likewise.
22373 * ifcvt.c (find_if_case_1): Likewise.
22374 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22377 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22379 * Makefile.in: Removed rotted odf.c entry.
22381 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22384 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22385 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22386 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22387 output pattern modifier, not %e.
22388 * config/cris/cris.c (cris_op_str): Update comment about pattern
22390 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22391 before falling through into...
22392 <case 'E'>: Redefined from old 'e' case.
22394 2006-01-11 Jan Hubicka <jh@suse.cz>
22397 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22399 2006-01-11 Jan Hubicka <jh@suse.cz>
22401 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22402 * i386.c (x86_decompose_lea): Kill.
22403 (ix86_rtx_costs): Kill.
22405 2006-01-11 Jan Hubicka <jh@suse.cz>
22407 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22408 * cgraph.h (cgraph_node): Add inline_decl.
22409 (cgraph_insert_node_to_hashtable): Declare.
22410 (save_inline_function_body): Declare.
22411 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22413 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22414 (cgraph_function_versioning): Update call of tree_function_versioning.
22415 (save_inline_function_body): New function.
22416 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22417 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22418 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22419 (cgraph_default_inline_p): Likewise.
22420 (cgraph_decide_inlining_incrementally): Likewise.
22421 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22422 (copy_bb): Kill saving; do updating of clones.
22423 (copy_cfg_body): Kill saving.
22424 (initialize_inlined-parameters): Likewise.
22425 (expand_call_inline): Likewise.
22427 (tree_function_versioning): New parameter "update_clones".
22428 (inlining_p): Kill saving.
22429 * tree-inline.h (tree_function_versioning): Update prototype.
22430 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22433 2006-01-11 Ian Lance Taylor <ian@airs.com>
22435 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22436 Allow undoing set of machine mode.
22437 (do_SUBST): Use enums instead of is_int.
22438 (do_SUBST_MODE): New function.
22439 (SUBST_MODE): New macro.
22440 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22441 reg and trying to replace reg_regno_rtx with a new register.
22442 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22443 (simplify_set): Use SUBST_MODE.
22444 (distribute_notes): Remove code that tried to update reg notes
22445 for regno_reg_rtx changes.
22447 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22449 PR tree-optimization/23109
22450 PR tree-optimization/23948
22451 PR tree-optimization/24123
22453 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22454 * tree-cfg.c (single_noncomplex_succ): New.
22455 * tree-flow.h (single_noncomplex_succ): Declare it.
22456 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22457 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22458 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22459 insert_bb, register_division_in, insert_reciprocals,
22460 replace_reciprocal, free_bb): New.
22461 (execute_cse_reciprocals_1): Rewritten.
22462 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22463 Do not commit any edge insertion. Always compute dominators and
22464 create the allocation pool.
22465 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22466 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22467 * targhooks.c (default_min_divistions_for_recip_mul): New.
22468 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22469 * passes.c (init_optimization_passes): Run recip after tree loop
22471 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22473 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22474 Kenneth Zadeck <zadeck@naturalbridge.com>
22476 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22477 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22478 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22479 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22480 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22481 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22482 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22483 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22484 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22485 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22486 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22487 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22488 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22489 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22490 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22491 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22492 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22493 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22494 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22495 DF_SCAN_POST_ALLOC): New macros.
22496 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22497 df_free_bb_function, df_local_compute_function, df_init_function,
22498 df_dataflow_function, df_confluence_function_0,
22499 df_confluence_function_n, df_transfer_function,
22500 df_finalizer_function, df_free_function, df_dump_problem_function,
22501 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22502 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22503 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22504 df_urec_bb_info, ) New types.
22505 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22507 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22508 df_analyze_simple_change_some_blocks,
22509 df_analyze_simple_change_one_block, df_compact_blocks,
22510 df_bb_replace, df_bb_regno_last_use_find,
22511 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22512 df_insn_regno_def_p, df_find_def, df_find_use,
22513 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22514 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22515 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22516 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22517 debug_df_chain, df_get_dependent_problem, df_chain_create,
22518 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22519 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22520 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22521 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22522 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22523 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22524 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22525 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22526 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22527 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22528 df_reorganize_refs, df_set_state, df_hard_reg_init,
22529 df_read_modify_subreg_p) New public functions.
22530 * df-core.c: The core dataflow solver and glue routines for rtl
22532 (df_init, df_add_problem, df_set_blocks, df_finish,
22533 df_hybrid_search_forward, df_hybrid_search_backward,
22534 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22535 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22536 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22537 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22538 df_reg_defined, df_find_use, df_reg_used, df_dump,
22539 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22540 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22541 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22542 debug_df_useno, reset_df_after_reload): New functions.
22543 * df-scan.c: The scanning fuctions, once in df.c, completely
22544 rewritten so that they now fully model the functionality of
22545 register usage at the backend.
22546 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22547 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22548 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22549 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22550 df_get_artificial_defs, df_get_artificial_uses,
22551 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22552 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22553 df_refs_delete, df_reorganize_refs, df_set_state,
22554 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22555 df_def_record_1, df_defs_record, df_uses_record,
22556 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22557 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22558 df_record_exit_block_uses, df_hard_reg_init): New functions.
22560 * df-problems.c: Seven concrete dataflow problems that use the
22561 scanning in df-scan.c and are solved by the engine in df-core.c.
22562 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22563 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22564 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22565 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22566 df_ru_free_bb_info, df_ru_alloc,
22567 df_ru_bb_local_compute_process_def,
22568 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22569 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22570 df_ru_transfer_function, df_ru_free, df_ru_dump,
22571 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22572 df_rd_free_bb_info, df_rd_alloc,
22573 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22574 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22575 df_rd_transfer_function, df_rd_free, df_rd_dump,
22576 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22577 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22578 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22579 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22580 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22581 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22582 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22583 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22584 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22585 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22586 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22587 df_urec_mark_reg_use_for_earlyclobber,
22588 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22589 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22590 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22591 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22592 df_chain_create_bb_process_use, df_chain_create_bb,
22593 df_chain_finalize, df_chain_free, df_chains_dump,
22594 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22595 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22596 df_reg_lifetime): New functions.
22597 * df.c: Deleted file.
22598 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22599 consistent with new df api.
22600 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22601 rest_of_handle_sms): Ditto.
22602 * web.c (unionfind_union, union_defs, entry_register, web_main):
22604 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22605 invariant_expr_equal_p, find_defs, check_dependencies,
22606 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22607 free_inv_motion_data, move_loop_invariants): Ditto.
22608 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22609 Update dependencies.
22610 (odf.c): Added defective entry that was deleted later in day.
22611 * sched-deps.c (sched_analyze_1): Ditto.
22613 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22615 * tree-ssa-operands.c (get_expr_operands): Record addressable
22616 variables directly. Do not call add_stmt_operands for CONST_DECLs
22618 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22619 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22621 2006-01-11 Ben Elliston <bje@au.ibm.com>
22623 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22624 function returns true in the positive case.
22626 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22629 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22630 for SI, DI, SF and DF modes. Add alternatives to copy between
22631 general and floating point registers to the 32-bit patterns.
22632 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22633 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22634 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22635 generating 64-bit code.
22636 * config/pa/pa.c (output_move_double): Handle copies between general
22637 and floating registers.
22639 2006-01-10 Stuart Hastings <stuart@apple.com>
22641 * config/i386/i386.md (set_got): Update.
22642 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22643 (builtin_setjmp_receiver): Mach-O support.
22644 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22645 (GOT_SYMBOL_NAME): Define.
22646 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22647 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22648 * config/i386/i386.c (override_options): Revise for Darwin.
22649 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22650 support. (darwin_x86_file_end): New. (output_set_got): Add label
22651 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22652 * config/i386/i386-protos.h (output_set_got): Likewise.
22653 * config/darwin.c (machopic_legitimize_pic_address): Update
22656 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22658 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22659 when MODE isn't BLKmode.
22661 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22663 PR rtl-optimization/25367
22664 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22666 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22669 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22670 for a negative bound.
22672 2006-01-10 Richard Guenther <rguenther@suse.de>
22674 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22675 Never override with anything constraint.
22677 2006-01-10 Jan Beulich <jbeulich@novell.com>
22679 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22680 256 bits when optimize_size.
22682 2006-01-10 Jan Beulich <jbeulich@novell.com>
22684 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22686 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22687 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22690 2006-01-10 Ben Elliston <bje@au.ibm.com>
22692 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22694 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22695 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22696 (USE_FP_FOR_ARG): Reject decimal float modes.
22697 (function_arg_advance): Likewise.
22698 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22699 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22700 point types in AltiVec vectors.
22701 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22702 (rs6000_libcall_value): Likewise.
22704 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22706 * config/xtensa/ieee754-df.S: New file.
22707 * config/xtensa/ieee754-sf.S: New file.
22708 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22709 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22710 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22712 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22714 * config/sh/predicates.md (binary_float_operator,
22715 binary_logical_operator, commutative_float_operator,
22716 equality_comparison_operator, greater_comparison_operator,
22717 less_comparison_operator, logical_operator,
22718 noncommutative_float_operator, shift_operator,
22719 symbol_ref_operand, unary_float_operator): Remove redundant
22722 2006-01-09 Jeff Law <law@redhat.com>
22724 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22725 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22726 now unused arguments. Callers updated.
22727 (eliminate_redundant_computations): Remove now unused arguments,
22729 (local_fold): Remove, no longer used.
22730 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22732 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22733 (simplify_cond): New function.
22734 (forward_propagate_into_cond): Call simplify_cond.
22736 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22738 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22739 (*vec_extractv2di_1_sse): New.
22741 2006-01-09 Ben Elliston <bje@au.ibm.com>
22743 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22745 2006-01-08 Richard Guenther <rguenther@suse.de>
22747 * tree-ssa-structalias.c (get_constraint_for): Remove
22748 anyoffset argument.
22749 (get_constraint_for_component_ref): Likewise.
22750 (do_deref): Likewise.
22751 (get_constraint_for): Likewise.
22752 (do_structure_copy): Likewise.
22753 (handle_ptr_arith): Likewise.
22754 (find_func_aliases): Likewise. Remove unused need_anyoffset
22757 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22758 Kaz Kojima <kkojima@gcc.gnu.org>
22760 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22761 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22762 (EXTRA_CONSTRAINT_C16): Remove.
22763 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22764 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22765 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22766 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22767 constants of SHmedia. Handle nested constant expressions of
22769 (andcosts): Fix the costs for SHmedia constants.
22770 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22771 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22772 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22773 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22774 (movv4hi_i, movv2si_i): Likewise.
22775 (movsi_const): Adjust the second operand of ior so to match with
22776 the Csu constraint.
22777 (movdi_const, movdi_const_32bit): Likewise.
22778 (movdi_const_16bit+1): Don't sign-extend LOW.
22779 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22781 (*double_shori): Fix the split condition. Use GEN_INT instead
22782 of get_int_mode calls. Mask lower 16-bit of the argument of
22784 (sym2GOTPLT): Remove.
22785 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22787 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22788 instead of EXTRA_CONSTRAINT_C16.
22790 2006-01-07 Ian Lance Taylor <ian@airs.com>
22791 David Edelsohn <edelsohn@gnu.org>
22793 PR rtl-optimization/25662
22794 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22795 for constant operands instead of simplify_gen_binary.
22796 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22797 after trying simplify_binary_operation
22799 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22801 * tree.c (iterative_hash_expr): Hash decls based on UID.
22803 2006-01-06 Eric Christopher <echristo@apple.com>
22805 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22806 (TARGET_UNWIND_EMIT): Fix spelling.
22807 * target.h (gcc_target): Add except_table_label.
22808 * except.c (output_function_exception_table): Use.
22809 * varasm.c (default_emit_except_table_label): New.
22810 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22812 (asm_out): Add here.
22813 * output.h (default_emit_except_table_label): Prototype.
22814 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22815 * config/darwin.c (darwin_emit_except_table_label): Define.
22816 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22818 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22820 PR tree-optimization/18527
22821 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22822 number_of_iterations_special, number_of_iterations_exit):
22823 Move base and step of an iv to a single structure. Add
22824 no_overflow flag, and use it in # of iterations analysis.
22825 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22826 folded_casts argument.
22827 (simple_iv): Pass base and step in a structure. Set no_overflow
22829 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22830 Evaluate expensiveness of computing # of iterations instead of
22831 the final expression.
22832 * tree-scalar-evolution.h (affine_iv): New structure.
22833 (simple_iv): Declaration changed.
22834 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22835 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22836 find_givs_in_stmt): Changed due to simple_iv change.
22838 2006-01-06 Jeff Law <law@redhat.com>
22841 * tree-cfg.c (bsi_replace): Rename final argument from
22842 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22843 change (stmt -> orig_stmt).
22844 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22845 (bsi_remove): Add new argument. Remove EH information
22847 (verify_eh_throw_table_statements): New function.
22848 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22850 * tree-optimize.c (execute_free_cfg_annotations): Verify
22851 the EH throw statement table after removing annotations.
22852 * except.h (verify_eh_throw_table_statements): Prototype.
22853 * tree-flow.h (bsi_remove): Update prototype.
22854 * tree-vrp.c (remove_range_assertions): Add new argument to
22856 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22857 * tree-complex.c (expand_complex_div_wide): Likewise.
22858 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22859 * tree-tailcall.c (eliminate_tailcall): Likewise.
22860 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22861 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22862 * tree-nrv.c (tree_nrv): Likewise.
22863 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22864 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22865 (combine_blocks): Likewise.
22866 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22867 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22868 (cleanup_control_flow): Likewise.
22869 (remove_forwarder_block): Likewise.
22870 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22871 * tree-sra.c (sra_replace): Likewise.
22872 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22873 (forward_propagate_single_use_vars): Likewise.
22874 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22875 * tree-inline.c (expand_call_inline): Likewise.
22876 * tree-vect-transform.c (vect_transform_loop): Likewise.
22877 * tree-outof-ssa.c (rewrite_trees): Likewise.
22878 * tree-cfg.c (make_goto_expr_edges): Likewise.
22879 (cleanup_dead_labels): Likewise.
22880 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22881 (bsi_move_before, bsi_move_after): Likewise.
22882 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22883 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22885 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22888 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22890 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22891 on non gimple variables. Also add checks at the top for decls and
22893 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22895 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22896 and IMAGPART_EXPR for creating MUST_DEFs.
22897 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22898 and NAME_MEMORY_TAG separately from the DECLs.
22900 2006-01-06 Richard Guenther <rguenther@suse.de>
22902 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22903 annotation, if necessary.
22904 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22905 redundant calls to update_stmt.
22906 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22909 2006-01-05 Richard Henderson <rth@redhat.com>
22911 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22913 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22915 * c-typeck.c: Update copyright date.
22917 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22919 * c-typeck.c (build_c_cast): Always warn when casting
22920 from a pointer to an integer of different size, even if
22921 the node was constant.
22923 2006-01-05 Richard Guenther <rguenther@suse.de>
22925 PR tree-optimization/22555
22926 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22927 if one structure field is an array.
22928 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22929 operands even if we found a subvar, but ignore VOPs in this
22931 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22933 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22935 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22937 PR middle-end/24998
22938 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22940 2006-01-05 Richard Guenther <rguenther@suse.de>
22941 Diego Novillo <dnovillo@redhat.com>
22943 * tree-pass.h (TODO_remove_unused_locals): Define.
22944 * gimple-low.c (expand_var_p, remove_useless_vars,
22945 pass_remove_useless_vars): Remove. Update all users.
22946 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22947 (remove_unused_locals): New function.
22948 * tree-flow.h (remove_unused_locals): Declare.
22949 * passes.c (execute_todo): Call remove_unused_locals if
22950 TODO_remove_unused_locals is set.
22951 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22952 * tree-ssa-dce.c (pass_dce): Likewise.
22953 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22955 2006-01-05 Richard Guenther <rguenther@suse.de>
22957 * tree-flow.h (struct fieldoff): Decompose field to
22958 type, size and decl.
22959 * tree-ssa-alias.c (create_sft): Take type as parameter.
22960 (create_overlap_variables_for): Store type, size and decl
22961 in the fieldoff structure.
22962 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22963 of struct fieldoff.
22964 (push_fields_onto_fieldstack): Likewise.
22965 (create_variable_info_for): Likewise. Use offset for the
22966 SFT name if the decl is not available.
22968 2006-01-04 Paul Brook <paul@codesourcery.com>
22970 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22972 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22974 * lambda-code.c (can_put_in_inner_loop): Relax
22976 (can_put_after_inner_loop): New function.
22977 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22978 (perfect_nestify): Change to make copies and modify uses.
22980 2006-01-04 Richard Henderson <rth@redhat.com>
22982 Merge from gomp branch:
22983 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22984 via integer constant.
22985 (pragma_lex): Remove.
22986 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22987 rather than parsing it.
22988 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22989 handle_pragma_extern_prefix): Add %< %> quotes.
22990 (registered_pragmas): New.
22991 (c_register_pragma_1): New.
22992 (c_register_pragma): Use it.
22993 (c_register_pragma_with_expansion): Likewise.
22994 (c_invoke_pragma_handler): New.
22995 (init_pragma): Use cpp_register_deferred_pragma directly for
22997 * c-pragma.h (enum pragma_kind): New.
22998 (pragma_handler): New.
22999 (c_invoke_pragma_handler): Declare.
23000 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23002 * c-common.h (c_common_pch_pragma): Update decl.
23003 * Makefile.in (c-parser.o): Update dependencies.
23004 (GTFILES): Add c-pragma.h.
23005 * c-parser.c (struct c_token): Add pragma_kind.
23006 (struct c_parser): Add in_pragma.
23007 (c_lex_one_token): Always initialize keyword and pragma_kind.
23008 Extract data for CPP_PRAGMA.
23009 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23010 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23011 Don't allow CPP_PRAGMA_EOL if in_pragma.
23012 (c_parser_consume_pragma): New.
23013 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23014 (c_parser_skip_to_end_of_parameter): Likewise.
23015 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23016 (c_parser_skip_to_pragma_eol): New.
23017 (c_parser_external_declaration): Handle CPP_PRAGMA.
23018 (c_parser_compound_statement_nostart): Likewise.
23019 (c_parser_statement_after_labels): Likewise.
23020 (c_parser_pragma): New.
23021 (pragma_lex): Likewise.
23022 (c_parser_pragma_pch_preprocess): New.
23023 (c_parser_new): Merge into ...
23024 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23026 2006-01-04 Jeff Law <law@redhat.com>
23029 * tree-cfg.c (bsi_replace): Remove the original statement
23030 from the EH throw statement table.
23032 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23034 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23035 make the prototype extern "C" and add throw ().
23038 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23039 and pos non-negative and pos + len <= 32.
23040 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23041 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23042 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23045 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23046 as well as sizes not multiple of component size.
23049 * function.c (instantiate_expr): New function.
23050 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23051 walk its DECL_VALUE_EXPR with instantiate_expr.
23053 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23054 DW_OP_deref{,_size} if address isn't going to be added.
23056 2006-01-04 Ben Elliston <bje@au.ibm.com>
23058 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23059 * config/fp-bit.c: Likewise.
23061 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23063 * dominance.c: Add comment about why we use DFS numbering
23066 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23067 Richard Henderson <rth@redhat.com>
23069 Merge from gomp-branch:
23070 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23071 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23073 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23075 PR rtl-optimization/25578
23076 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23077 pass a parameter to simplify_shift_const if changing ASHIFTRT
23080 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23082 * builtins.c (get_builtin_sync_mem): New function.
23083 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23084 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23085 Call get_builtin_sync_mem to generate mem rtx.
23087 2006-01-03 Richard Guenther <rguenther@suse.de>
23090 * stmt.c (add_case_node): Make sure to clear overflow flags
23093 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23095 Merge from gomp-branch.
23096 * config/sparc/sync.md: New file.
23097 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23098 UNSPECV_LDSTUB): New constants.
23099 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23100 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23101 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23104 2006-01-03 Roger Sayle <roger@eyesopen.com>
23106 * combine.c (reg_subword_p): New predicate to test whether the
23107 destination of a set refers to a subword/piece of a register.
23108 (try_combine): Generalize the code to merge the setting of a
23109 pseudo to a constant followed by a set of a subword of that
23110 register to a constant.
23112 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23114 * basic-block.h (control_flow_graph): Change the type of
23115 x_label_to_block_map to VEC(basic_block,gc) *.
23116 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23117 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23119 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23120 VEC(basic_block,heap) *.
23121 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23122 ssa_prop_fini): Adjust the uses of cfg_blocks.
23124 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23126 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23128 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23129 hashing trees instead of a pointer hash.
23130 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23131 compare for MEM_EXPR.
23133 PR rtl-optimization/25130
23134 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23135 when comparing MEMs for GCSE
23137 2006-01-03 Ben Elliston <bje@au.ibm.com>
23139 * targhooks.h (default_decimal_float_supported_p): Declare.
23140 * targhooks.c (default_decimal_float_supported_p): Define.
23141 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23142 `default_decimal_float_supported_p'.
23143 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23145 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23147 * combine.c (apply_distributive_law <SUBREG>): Check
23148 TRULY_NOOP_TRUNCATION.
23150 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23152 * dwarf2out.c (have_switched_text_section): Delete.
23153 (have_multiple_function_sections): New.
23154 (have_location_lists): Make 'bool'.
23155 (add_AT_loc_list): Use 'true' not '1'.
23156 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23157 (output_loc_list): Use have_multiple_function_sections.
23158 (output_ranges): Likewise.
23159 (dwarf2out_begin_function): Set have_multiple_function_sections if
23161 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23162 Check function_section rather than DECL_SECTION_NAME.
23163 (dwarf2out_finish): Use have_multiple_function_sections.
23164 Don't clear have_location_lists.
23166 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23167 Jan Hubicka <jh@suse.cz>
23169 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23170 case of conditional jump jumping to the next instruction.
23171 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23172 cases of conditional jump jumping to the next instruction.
23174 2006-01-02 Jan Hubicka <jh@suse.cz>
23176 * i386.c (*_cost): Add COSTS_N_INSNS.
23177 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23179 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23182 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23184 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23186 * config/arm/arm.c (all_fpus): Fix comment typo.
23187 * config/darwin.c: Likewise.
23188 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23189 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23190 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23192 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23194 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23195 (rs6000_split_compare_and_swapqhi): New.
23196 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23197 (sync_compare_and_swapqhi_internal): New.
23198 * config/rs6000/rs6000-protos.h: Declare.