1 2006-05-22 Richard Guenther <rguenther@suse.de>
4 2006-01-31 Richard Guenther <rguenther@suse.de>
5 Paolo Bonzini <bonzini@gnu.org>
7 * doc/install.texi (--disable-libgcc-math): Document.
9 2006-05-22 Richard Guenther <rguenther@suse.de>
12 2006-01-31 Richard Guenther <rguenther@suse.de>
14 * doc/invoke.texi (-msselibm): Document.
15 * target.h (expand_library_builtin): New target hook.
16 * builtins.c (expand_builtin): Use expand_library_builtin.
17 (default_expand_library_builtin): New function.
18 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20 (link_gcc_math_spec): Declare.
21 (static_specs): Add link_gcc_math_spec.
22 * expr.h (default_expand_library_builtin): Declare.
23 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
24 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
25 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
26 * config/i386/i386.opt (msselibm): New target option.
27 * config/i386/i386.c (ix86_builtin_function_variants): New array.
28 (ix86_init_sse_abi_builtins): New function.
29 (ix86_expand_library_builtin): Likewise.
30 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
31 (override_options): Handle error conditions wrt -msselibm.
32 (ix86_builtins): Add function codes for SSE2 ABI builtins.
33 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
34 * doc/extend.texi (__builtin_sse2_*): Document new target specific
37 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
40 * c-common.c (self_promoting_args_p): Skip erroneous args.
43 * c-decl.c (finish_struct): Skip erroneous fields.
45 2006-05-22 Nick Clifton <nickc@redhat.com>
47 * config/cris/cris.opt (march): Remove VarExists attribute.
48 (max-stackframe=): Likewise.
50 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
52 * doc/rtl.texi: Fix a typo.
53 * see.c: Fix comment typos.
55 * tree-ssa-structalias.h (alias_info): Remove num_references.
57 2006-05-21 Mike Stump <mrs@apple.com>
59 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
61 (darwin_pragma_options): Use BAD instead.
62 (darwin_pragma_unused): Likewise.
63 (darwin_pragma_ms_struct): Likewise.
65 2006-05-21 David Edelsohn <edelsohn@gnu.org>
67 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
69 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
71 PR rtl-optimization/27671
72 * simplify-rtx.c (simplify_relational_operation_1): Fix
73 simplifications of (eq/ne (xor x y) y) and
76 PR tree-optimization/26622.
77 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
80 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
82 * tree-cfg.c: Prune whitespace.
83 (debug_tree_cfg): Point to correct header containing the
86 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
89 * cgraphunit.c (verify_cgraph_node): Typo in error message.
91 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
94 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
95 or sorry count is non zero.
97 2006-05-20 Andreas Schwab <schwab@suse.de>
99 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
101 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
102 Kenneth Zadeck <zadeck@naturalbridge.com>
104 PR rtl-optimization/26855
106 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
108 (df_scan_alloc): Added code to properly handle multiword hard
109 registers and add all_blocks parameter.
110 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
111 code to properly handle multiword hard registers.
112 (df_rescan_blocks): Added code to remove deleted blocks from
114 (df_ref_create_structure, df_ref_record): Added code to properly
116 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
117 and set DF_REF_PARTIAL.
118 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
119 (df_uses_record): Added DF_REF_PARTIAL for subreg.
120 (df_scan_add_problem): Added flags parameter.
121 (df_ref_create_structure): Changed switching structure.
122 (df_bb_refs_record): Fixed case where duplicate artificial refs
123 were created. Changed location of flags.
124 (df_record_entry_block_defs): Added code to make stack pointer
125 live in entry block. Refined cases where frame pointer is needed.
126 Changed location of flags.
127 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
128 (df_set_state): Removed function.
129 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
130 df_insn_create_insn_record, df_insn_refs_delete,
131 df_ref_create_structure): Formatting changes.
132 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
133 df_delete_basic_block): New function.
134 (df_init): Changed location of flags.
135 (df_add_problem): Added flags parameter and the way flags are
137 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
138 debug_df_chain): Improved debugging output.
139 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
140 (df_refs_chain_dump): Removed df parameter.
141 (df_iterative_dataflow): Added consistency check.
142 (df_prune_to_subcfg): Made public.
143 (df_analyze_problem): Added blocks_to_init parameter and made
145 (df_ref_record, df_bb_refs_record, df_mark_reg,
146 df_record_exit_block_uses): Whitespace changes.
147 (df_dump): Whitespace changes.
148 * df.h: Some reordering to remove forward references.
149 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
150 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
151 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
152 (dataflow.flags): New field.
153 (df.flag): Deleted field.
154 (df_alloc_function): Added additional bitmap parameter.
155 (df_dependent_problem_function): New type.
156 (df_problem.changeable_flags): New field.
157 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
158 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
159 (df_mw_hardreg): New struct.
160 (DF_INSN_UID_MWS): New macro.
161 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
163 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
164 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
165 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
166 (df_set_state): Removed function.
167 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
168 * df-problems.c (df_chain_dump): Removed df parameter.
169 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
170 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
172 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
173 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
174 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
175 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
176 DF_REF_MUST_CLOBBER cases.
177 (df_ru_bb_local_compute_process_def,
178 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
179 df_lr_bb_local_compute, df_ur_bb_local_compute,
180 df_chain_create_bb): Made subreg aware.
181 (df_ru_bb_local_compute, df_rd_bb_local_compute,
182 df_lr_bb_local_compute, df_lr_bb_local_compute,
183 df_chain_create_bb): Cleanup to use proper macros.
184 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
185 code to fixup bitvectors.
186 (df_ri_alloc): Cleared lifetime.
187 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
188 df_create_unused_note): New function.
189 (df_ri_bb_compute, df_ri_compute): Added code to create/update
190 REG_DEAD and REG_UNUSED notes as well as register information.
191 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
192 df_chains_dump): Fixed crash if problem was never run.
193 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
194 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
195 df_ri_add_problem): Processes flags in uniform manner.
196 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
197 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
198 df_rd_dump, df_urec_free_bb_info): Formatting changes.
199 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
200 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
201 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
202 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
203 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
204 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
205 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
206 * see.c (see_initialize_data): Ditto.
207 * final.c (rest_of_clean_state) Added regstack_completed.
208 * rtl.h (regstack_completed): Ditto.
209 * reg-stack.c (regstack_completed): Ditto.
211 2006-05-19 Mike Stump <mrs@apple.com>
213 * c-tree.h (default_conversion): Remove.
214 * c-common.h (default_conversion): Add.
216 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
218 * tree-vrp.c (valid_value_p): New function.
219 (adjust_range_with_scev): Fail if the value of bound is not
222 2006-05-19 Richard Sandiford <richard@codesourcery.com>
224 * config/mips/linux-unwind.h: Include <asm/unistd.h>
225 (mips_fallback_frame_state): Use syscall numbers to determine
226 the appropriate li instruction for the current ABI. Only use
227 __NR_sigreturn for o32.
229 2006-05-19 Nicolas Setton <setton@adacore.com>
231 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
232 * langhooks.c (lhd_dwarf_name): New function.
233 * langhooks-def.h (lhd_dwarf_name): Declare.
234 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
235 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
236 * ada/misc.c (gnat_dwarf_name): New function.
237 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
239 2006-05-19 Richard Sandiford <richard@codesourcery.com>
241 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
243 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
244 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
245 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
246 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
247 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
248 determine the size of Wtype, etc.
249 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
250 (swfloatfuncs): New variable.
251 (dwfloatfuncs): Likewise.
252 (lib2funcs): Remove floating-point conversion functions from
253 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
254 the set of conversion routines needed. Allow entries to specify
255 an object name, filename and word size. Update users accordingly.
256 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
257 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
261 2006-02-08 Roger Sayle <roger@eyesopen.com>
264 * config/fixtfdi.c: New libgcc source file.
265 * config/fixunstfdi.c: New source file.
266 * config/floatditf.c: New source file.
267 * config/floatunditf.c: New souce file.
268 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
269 files above instead of config/mips/_tilib.c.
270 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
272 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
274 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
275 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
277 2006-05-18 Mike Stump <mrs@apple.com>
279 Fix up vla, vm and [*] sematics.
285 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
286 (c_vla_unspec_p): Add.
288 * c-decl.c (struct c_scope): Add had_vla_unspec.
289 (build_array_declarator): Add support for [*].
290 (grokdeclarator): Likewise.
291 (grokparms): Likewise.
292 (get_parm_info): Likewise.
293 * c-objc-common.c (c_vla_unspec_p): Likewise.
294 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
295 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
296 typeof when argument is a variably modified type not inside sizeof or alignof.
297 (c_parser_direct_declarator_inner): Propagate errors.
298 (c_parser_sizeof_expression): Add support for [*].
299 (c_parser_parms_declarator): Initialize had_vla_unspec.
300 (c_parser_parms_list_declarator): Likewise.
301 * c-typeck.c (c_vla_type_p): Add.
302 (composite_type): Add support for vla compositing.
303 (comptypes_internal): Add support for vla compatibility.
304 (c_expr_sizeof_expr): Evaluate vla arguments.
305 * tree.c (variably_modified_type_p): Update comment for [*].
307 2006-05-18 Michael Matz <matz@suse.de>
310 * config.host: Make assignments to host_xmake_file cumulative.
311 * config.host (*-darwin*): Test $host, not $target.
313 2006-05-12 Stuart Hastings <stuart@apple.com>
315 * config/i386/i386.opt (-mstackrealign): New flag.
316 * config/i386/i386.c (force_align_arg_pointer): New attribute.
317 (ix86_handle_cconv_attribute): Emit error when
318 force_align_arg_pointer attribute collides with too many regparms.
319 (ix86_function_regparm): Limit regparms when used with
320 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
321 Support stack-realigning prologue in non-main functions. Emit
322 warning for nested functions under -mstackrealign, emit error for
323 nested functions with force_align_arg_pointer attribute.
324 * doc/extend.texi (force_align_arg_pointer): Document it.
325 * doc/invoke.texi (-mstackrealign): Document it.
327 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
329 PR rtl-optimization/27477
330 * combine.c (try_combine): Don't split a parallel consisting
331 of two sets into two individual sets if both sets reference
334 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
336 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
337 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
339 * doc/options.texi (VarExists): Updated.
341 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
343 * unwind-dw2.c: Add declarations for uw_update_context and
345 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
346 detected, advance frame state and context once to skip over stub.
348 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
352 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
353 Call rewrite_into_loop_closed_ssa only when something changed.
354 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
355 * lambda-code.c (can_convert_to_perfect_nest): Declared.
356 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
357 Test for perfect_nest_p here. Fix formating.
358 (replace_uses_equiv_to_x_with_y): Fix formating.
359 (stmt_uses_op): Removed.
360 (can_convert_to_perfect_nest): Removed loopivs parameter.
361 Complete the test by checking the scalar dependences.
362 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
365 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
368 From Dan Kegel <dank@kegel.com>:
369 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
371 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
373 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
374 if the element type is variably modified without recursing.
376 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
379 * tree-loop-linear.c (try_interchange_loops): Test for
382 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
384 PR tree-optimization/27548
385 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
386 range of ssa names that appear on abnormal edges.
387 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
388 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
390 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
393 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
395 2006-05-17 Jakub Jelinek <jakub@redhat.com>
398 * tree.h (OMP_PARALLEL_COMBINED): Define.
399 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
400 (new_omp_context): Add is_combined_parallel argument.
401 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
402 new_omp_context caller.
403 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
404 Adjust gimplify_scan_omp_clauses callers.
405 (omp_is_private): Issue errors if iteration variable is firstprivate
406 or reduction in the current context.
407 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
408 on combined parallel workshare constructs.
410 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
412 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
413 (gcc-options.o): New rule.
415 * optc-gen.awk: Protect variables for gcc-options.o with
416 #ifdef GCC_DRIVER/#endif.
418 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
420 Fix PR tree-optimization/27373
421 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
422 (forward_propagate_addr_expr): Update call.
424 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
426 * doc/options.texi: Move the Negative option.
428 2006-05-16 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/22303
431 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
433 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
434 ccp_fold did not simplify the statement.
436 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
439 * Makefile.in (GCC_OBJS): New.
440 (OBJS-common): Add opts-common.o.
441 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
442 (cpp$(exeext)): Likewise.
443 (gcc.o): Also depend on opts.h.
444 (opts-common.o): New.
446 * common.opt (gcoff): Add Negative(gdwarf-2).
447 (gdwarf-2): Add Negative(gstabs).
448 (gstabs): Add Negative(gstabs+).
449 (gstabs+): Add Negative(gvms).
450 (gvms): Add Negative(gxcoff).
451 (gxcoff): Add Negative(gxcoff+).
452 (gxcoff+): Add Negative(gcoff).
453 * config/i386/i386.opt (m32): Add Negative(m64).
454 (m64): Add Negative(m32).
456 * doc/options.texi: Document the Negative option.
458 * gcc.c: Include "opts.h".
459 (main): Call prune_options after expandargv.
461 * optc-gen.awk: Generate common declarations for all flag
462 variables in options.c. Output the neg_index field.
464 * opts.c (find_opt): Moved to ...
465 * opts-common.c: Here. New file.
467 * opts.h (cl_option): Add a neg_index field.
469 (prune_options): Likewise.
471 2006-05-16 Jakub Jelinek <jakub@redhat.com>
474 * omp-low.c (expand_omp_parallel): Don't assert
475 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
476 instead search for it.
479 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
482 2006-05-16 Andreas Schwab <schwab@suse.de>
484 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
487 2006-05-15 Roger Sayle <roger@eyesopen.com>
490 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
491 integer constants other than zero are only legitimate on TARGET_64BIT.
492 <CONST_VECTOR> Only zero vectors are legitimate.
493 (ix86_cannot_force_const_mem): Integral and vector constants can
494 always be put in the constant pool.
496 2006-05-16 DJ Delorie <dj@redhat.com>
498 * crtstuff.c (__dso_handle): Set section from
499 TARGET_LBIGCC_SDATA_SECTION if defined.
500 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
501 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
503 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
506 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
509 2006-05-16 Ben Elliston <bje@au.ibm.com>
511 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
513 2006-05-15 Per Bothner <per@bothner.com>
515 * tree.c: (last_annotated_node): Use sources_locus typedef.
516 This permits bootstrapping with --enable-mapped-location.
518 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
520 PR tree-optimization/26830
521 * tree-into-ssa.c (struct ssa_name_info): Add age field.
522 (info_for_ssa_name, current_info_for_ssa_name_age,
523 blocks_to_update): New variables.
524 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
525 (clear_ssa_name_info, initialize_flags_in_bb,
526 mark_block_for_update): New functions.
527 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
528 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
529 prepare_def_site_for): Use mark_block_for_update.
530 (mark_def_interesting): Assert that the processed block is marked in
531 blocks_to_update. Do not take blocks argument.
532 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
534 (rewrite_update_init_block, rewrite_update_stmt): Only process
535 blocks with statements to rewrite.
536 (delete_update_ssa): Do not clear SSA_NAME_AUX.
537 (update_ssa): Initialize and free blocks_to_update. Do not
538 clear flags on statements. Do not use blocks bitmap.
539 * tree.h (SSA_NAME_AUX): Removed.
540 (struct tree_ssa_name): Removed aux field.
541 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
543 2006-05-15 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/27603
546 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
547 Do computations in original type.
549 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
551 * see.c: Code style changes such as redundant paranthesis,
552 redundant intialization of local variables etc.
553 (see_main): Declared now as static.
554 * doc/invoke.texi: Update that -fsee is not enabled by
557 2006-05-15 Jakub Jelinek <jakub@redhat.com>
559 * omp-low.c (check_omp_nesting_restrictions): New function.
560 (scan_omp_1): Call it.
563 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
564 construct, return *VAR.
566 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
568 PR rtl-optimization/27406
569 * bt-load.c (migrate_btr_def): Skip the block having abnormal
572 2006-05-14 Roger Sayle <roger@eyesopen.com>
574 PR rtl-optimization/27538
575 * combine.c (expand_compound_operation): Call gen_lowpart
576 before calling simplify_shift_const.
578 2006-05-14 Roger Sayle <roger@eyesopen.com>
580 PR rtl-optimization/22563
581 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
582 a fixed width bitfield, always force the intermediates into psuedos.
584 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
587 * mkconfig.sh: Use operator = instead of == for test.
589 2006-05-13 Nick Clifton <nickc@redhat.com>
591 * dwarf2out.c (dbx_reg_number): Check return value from
592 LEAF_REG_REMAP and only use it if it is valid.
593 (multiple_reg_loc_descriptor): Likewise.
595 2006-05-13 Richard Guenther <rguenther@suse.de>
597 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
600 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
602 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
603 information attached to non-INSNs such as NOTEs.
604 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
606 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
608 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
610 * config/s390/s390.md: Adjust comment describing On constraint.
612 2006-05-11 Jan Hubicka <jh@suse.cz>
614 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
617 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
620 * fold-const.c (size_binop): Move sanity check for arguments to
621 the beginning of the function.
624 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
627 2006-05-11 Richard Guenther <rguenther@suse.de>
630 * fold-const.c (fold_unary): Handle intermediate conversion
631 to a pointer type like intermediate conversion to an integer
632 type in folding of (T1)(T2)var to var.
633 Match the code to the comment in the final conversion for
634 (T1)(T2)var to (T1)var regarding to type precision. Rather
635 than disallow T1 being of pointer type, assert that both T1
636 and var are of pointer type or not. Make sure not to fall
637 over the frontends lazyness wrt array to pointer decay though.
639 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
641 * arm.c (arm_struct_value_rtx): Delete.
642 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
643 (arm_init_cumulative_args): Always initialize nregs to zero.
645 2006-05-10 Richard Guenther <rguenther@suse.de>
647 PR tree-optimization/27532
648 * tree-object-size.c (plus_expr_object_size): Fix typo.
650 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
653 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
654 ashrdi_const, ashrdi3): Use a scratch register.
656 2006-05-10 Richard Guenther <rguenther@suse.de>
658 PR tree-optimization/27302
659 * fold-const.c (operand_equal_p): For two comparisons,
660 try comparison of one comparison code swapped if that yields
663 2006-05-10 Ben Elliston <bje@au.ibm.com>
665 * tree-pretty-print.c (pretty_print_string): No need to handle
666 '\0' as a special character.
668 * tree.h: Include "hashtab.h".
669 (iterative_hash_expr): Use hashval_t in its prototype.
670 * Makefile.in (TREE_H): Add $(HASHTAB_H).
672 2006-05-09 Steve Ellcey <sje@cup.hp.com>
675 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
676 (hppa*64*-*-hpux11*): Ditto.
677 (hppa[12]*-*-hpux11*): Ditto.
679 2006-05-09 David Edelsohn <edelsohn@gnu.org>
682 * config/rs6000/aix41.h (TARGET_64BIT): Define.
684 2006-05-09 Michael Matz <matz@suse.de>
686 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
687 host_extra_gcc_objs and host_xmake_file.
688 (<*-*-linux*>): Don't overwrite host_xmake_file.
689 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
690 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
691 (host_detect_local_cpu): Declare.
692 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
693 * config/i386/i386.c (override_options): Handle -mtune=native
695 * config/i386/x-i386: New file.
696 * config/i386/driver-i386.c: New file.
697 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
700 2006-05-09 Dirk Mueller <dmueller@suse.de>
701 Richard Guenther <rguenther@suse.de>
704 * fold-const.c (fold_read_from_constant_string): Relax check
705 for matching types to matching modes.
707 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
709 PR rtl-optimization/27335
710 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
713 2006-05-08 Chao-ying Fu <fu@mips.com>
714 Richard Sandiford <richard@codesourcery.com>
716 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
717 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
718 * config/mips/mips.md (UNSPEC_SCC): New constant.
719 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
720 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
721 (mips_emit_compare): Use it.
722 (mips_expand_vcondv2sf): New function.
724 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
726 Fix PR tree-optimization/27093
727 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
728 renaming when they become not-used_alone.
730 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
732 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
733 relocation and relocation stubs.
735 2006-05-08 Eric Christopher <echristo@apple.com>
737 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
740 2006-05-08 Jan Hubicka <jh@suse.cz>
743 * cgraphunit.c (decide_is_function_needed): When not optimizing even
744 unused static functions are needed.
746 2006-05-08 Roger Sayle <roger@eyesopen.com>
749 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
750 of a reg_equiv_constant if the result is a legitimate constant.
752 2006-05-08 Uros Bizjak <uros@kss-loka.si>
755 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
756 standard 80387 constants, raise the cost to prevent
757 compress_float_constant() to generate load from memory.
759 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
761 * config/arm/constraints.md (c): Fix a typo.
763 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
766 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
769 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
771 (_mm_mwait): Likewise.
773 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
775 (sse3_monitor): Make it 32bit only.
776 (sse3_monitor64): New. 64bit monitor.
778 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
781 * config/i386/i386.c (classify_argument): Skip fields with invalid
784 2006-05-07 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/27409
787 * tree-ssa-structalias.c (get_constraint_for_component_ref):
788 Do not try to find zero-sized subvars.
790 2006-05-07 Richard Guenther <rguenther@suse.de>
792 PR tree-optimization/27136
793 * tree-ssa-loop-niter.c (get_val_for): Correct function
794 comment, assert requirements.
795 (loop_niter_by_eval): Stop processing if the iterated
796 value did not simplify.
798 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
800 * opts.c (flag_see): remove its setting at -O3.
802 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
804 * genpeep.c (main): Make insn-peep.c depend on flags.h.
805 * arm/constraints.md: New file.
806 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
807 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
808 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
809 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
810 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
811 (EXTRA_MEMORY_CONSTRAINT): Likewise.
812 * arm.md: Include constraints.md.
813 (thumb_movsi_insn): Use satisfies_constraint_J.
814 (movhi, movqi): Use satisfies_constraint_I.
816 2006-04-29 Anatoly Sokolov <aesok@post.ru>
818 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
819 for atmeg a645 device.
821 2006-05-06 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/27151
824 * tree-vect-transform.c (vectorizable_condition): Punt on
825 values that have a different type than the condition.
827 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
830 * c-parser.c (c_parser_cast_expression): Only insert casts into
831 hash table if pointer.
832 * function.c (used_types_insert_helper): Rename from
834 (used_types_insert): Call used_types_insert_helper.
835 * function.h (used_types_insert): Accept only one argument.
837 2006-05-05 David Edelsohn <edesohn@gnu.org>
839 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
840 scratch with output modifier.
842 2006-05-04 David Edelsohn <edelsohn@gnu.org>
845 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
846 with output modifier.
848 2006-05-04 Richard Sandiford <richard@codesourcery.com>
851 * config/mips/mips.c (mips_symbolic_address_p): Return true
852 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
853 SYMBOL_GOTTPREL, and SYMBOL_TLS.
855 2006-05-04 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/14287
858 PR tree-optimization/14844
859 PR tree-optimization/19792
860 PR tree-optimization/21608
861 PR tree-optimization/27090
862 * tree-ssa-pre.c (try_combine_conversion): New function.
863 (compute_avail): After constructing the value-handle
864 expression, use try_combine_conversion to combine NOP_EXPRs
865 with previous value-handle expressions and use the result if it
868 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
870 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
872 2006-05-04 Jan Hubicka <jh@suse.cz>
875 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
877 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
879 * config/bfin/predicates.md (const01_rtx): Tell generator programs
880 that this only matches CONST_INTs. All users changed to VOIDmode
883 * config/bfin/bfin.c: Include "optabs.h".
884 (bfin_rtx_costs): Some costs for vector operations, to allow combine
886 (enum bfin_builtins): Add a number of fractional and vector builtins.
887 (bfin_init_builtins): Likewise.
888 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
889 (safe_vector_operand, bfin_expand_binop_builtin,
890 bfin_expand_unop_builtin): New functions.
891 (bfin_expand_builtin): Handle the new builtins.
892 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
895 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
898 * Makefile.in (OBJS-common): Add see.o.
899 (see.o): Add dependencies.
900 * common.opt (fsee): New flag for the see optimization was added.
901 * opts.c (flag_see): Initialized.
902 * passes.c (init_optimization_passes, pass_see): New pass.
903 * rtl.h (see_main): Declaration as extern.
904 * timevar.def (TV_SEE): New.
905 * tree-pass.h (pass_see): Declaration as extern.
906 * invoke.texi (-fsee): Document.
907 * recog.c (validate_simplify_insn): New function.
908 * recog.h (validate_simplify_insn): Declaration as extern.
909 * df-problems.c (df_chain_dump): Check for NULL.
911 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
912 Daniel Berlin <dberlin@dberlin.org>
914 * cfgrtl.c (insert_insn_bb_end_new): New function.
915 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
917 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
919 * df.h (struct web_entry): Moved from web.c.
920 (union_defs): Declaration as extern.
921 (unionfind_root): Likewise.
922 (unionfind_union): Likewise.
923 * web.c (struct web_entry): Moved to df.h.
924 (unionfind_root): Remove static declaration.
925 (unionfind_union): Likewise.
926 (union_defs): Likewise and generalize to use callback function.
927 (web_main): Update arguments for union_defs function call.
929 2006-05-04 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/26447
932 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
933 produce SSA_NAME copies before the store stmt to avoid
934 breaking exception handling.
936 2006-05-04 Jakub Jelinek <jakub@redhat.com>
939 * gimplify.c (omp_is_private): If var is shared in some outer context,
940 return false instead of true. Stop searching on parallel context
943 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
946 * coverage.c: Use get_gcov_unsigned_t() instead of
947 unsigned_type_node all over.
949 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
951 PR tree-optimization/27381
952 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
953 maintain the same immediate_use links.
954 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
955 node rather than segfaulting.
957 2006-05-03 Jakub Jelinek <jakub@redhat.com>
960 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
961 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
962 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
964 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
966 Fix PR tree-optimization/26626
967 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
969 * tree-ssa-operands.c (access_can_touch_variable): Allow
970 typecasting through union pointers.
972 2006-05-02 Jakub Jelinek <jakub@redhat.com>
975 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
976 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
977 to find if var will be a global variable even in the nested context.
978 (omp_copy_decl): Only check for global variable at the end, it might
979 be overridden in outer contexts.
980 (scan_sharing_clauses): For global variables don't create a field.
981 (lower_rec_input_clauses): Do nothing for global shared variables.
982 Emit a barrier at the end of ILIST if there were any decls in both
983 firstprivate and lastprivate clauses.
984 (lower_send_clauses): Do nothing for global variables except for
987 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
989 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
990 of the correct signedness is returned.
992 2006-05-02 Jeff Law <law@redhat.com>
994 PR tree-optimization/27364
995 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
996 multiply expressions.
998 2006-05-02 Tom Tromey <tromey@redhat.com>
1000 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1002 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1005 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1006 -mthumb -fPIC are used.
1008 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1009 Joshua Kinard <kumba@gentoo.org>
1012 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1013 with 64-bit pointers.
1015 2006-05-02 Paul Brook <paul@codesourcery.com>
1017 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1019 (create_fix_barrier): Check that a suitable barrier location is
1021 (arm_reorg): Include ftmp->address in allowable range of addresses.
1023 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1026 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1029 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1032 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1033 around RESULT_DECL for result passed by reference.
1034 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1035 * omp-low.c (use_pointer_for_field): Don't look at
1036 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1037 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1038 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1039 time or var for passing by reference for
1040 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1041 TREE_ADDRESSABLE variables when passing by reference.
1043 * omp-low.c (dump_omp_region): Fix output formatting.
1046 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1047 (expand_omp_parallel): Likewise.
1048 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1051 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1052 on statement list containing also constructors and destructors.
1053 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1056 * except.c (duplicate_eh_regions): Fix clearing of
1057 cfun->eh->region_array entries.
1059 2006-05-01 DJ Delorie <dj@redhat.com>
1061 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1063 (gcc_cv_objdump): Likewise.
1064 * configure: Regenerated.
1066 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1069 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1070 templates for case 3 and 4.
1072 2006-05-01 DJ Delorie <dj@redhat.com>
1074 * vec.c: Include bconfig.h when appropriate.
1075 * Makefile.in (build/vec.o): Adjust dependencies.
1076 * mkconfig.sh: Make sure config.h isn't used for build machine
1079 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1081 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1083 (mark_phi_for_rewrite): New function.
1084 (insert_phi_nodes_for, mark_use_interesting): Call
1085 mark_phi_for_rewrite.
1086 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1087 (update_ssa): Initialize and free phis_to_rewrite.
1089 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1091 PR rtl-optimization/27291
1092 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1093 folded to a constant.
1095 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1097 PR tree-optimization/27283
1098 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1099 not whole # of iteration descriptions.
1100 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1101 uses abnormal ssa name.
1102 (niter_for_single_dom_exit): Ditto.
1103 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1104 return just the number of iterations.
1106 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1108 PR tree-optimization/27144
1109 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1110 (record_estimate): Only record constant upper bound.
1111 (infer_loop_bounds_from_undefined): Call
1112 compute_estimated_nb_iterations just once.
1113 (proved_non_wrapping_p): Renamed to ...
1114 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1115 (convert_step_widening, scev_probably_wraps_p): Call
1116 n_of_executions_at_most instead of proved_non_wrapping_p.
1117 (substitute_in_loop_info): Do not replace values in bounds.
1118 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1121 2006-05-01 Richard Henderson <rth@redhat.com>
1124 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1125 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1128 2006-05-01 Roger Sayle <roger@eyesopen.com>
1130 * c-typeck.c (parser_build_binary_op): Don't call the function
1131 unsigned_conversion_warning to spot operand/result type overflow.
1132 (build_binary_op): Instead, call convert_and_check instead of
1133 convert to report the problem when the operands are promoted.
1134 * c-common.c (unsigned_conversion_warning): Make static.
1135 * c-common.h (unsigned_conversion_warning): Delete prototype.
1137 2006-05-01 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/26726
1140 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1142 (find_interesting_uses_address): ... we work around here
1143 by folding INDIRECT_REFs in the substituted base.
1145 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1147 * omp-low.c (dump_omp_region): Add newlines.
1149 2006-04-30 Roger Sayle <roger@eyesopen.com>
1151 * common.opt (Woverflow): New command line option.
1152 * c-common.c (constant_expression_warning): Check warn_overflow.
1153 (overflow_waring): Pass OPT_Woverflow to warning.
1154 (unsigned_conversion_warning): Likewise.
1155 (convert_and_check): Likewise.
1156 * doc/invoke.texi: Document new command line option.
1158 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1160 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1161 TARGET_NO_FP_IN_TOC for section anchors.
1162 (optimization_options): Enable section anchors for all
1163 non-"Objective" languages.
1165 2006-04-28 Eric Christopher <echristo@apple.com>
1167 * config/darwin-c.c (darwin_ms_struct): Move this
1168 (darwin_set_default_type_attributes): and this...
1169 * config/darwin.c: ... here.
1170 * config/darwin.h (darwin_ms_struct): Declare.
1172 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1174 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1176 2006-04-28 Roger Sayle <roger@eyesopen.com>
1179 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1180 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1181 an unsigned HOST_WIDE_INT.
1182 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1184 (really_start_incremental_init): No need to call convert because
1185 bitsize_zero_node is already of type bitsizetype.
1186 (push_init_level): Extract the value of constructor_index as an
1187 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1188 (process_init_element): Likewise.
1190 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1192 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1193 value before passing to make_relative_prefix.
1195 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1198 * builtins.c (expand_builtin_memset): Expand val in original mode.
1200 2006-04-27 Eric Christopher <echristo@apple.com>
1202 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1203 with #ifndef/#endif.
1204 * config/darwin-c.c (darwin_ms_struct): New.
1205 (darwin_pragma_ms_struct): Ditto.
1206 (darwin_set_default_type_attributes): Ditto.
1207 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1208 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1209 Register ms_struct pragma.
1210 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1211 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1212 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1213 darwin_set_default_type_attributes if TARGET_MACHO.
1215 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1217 PR tree-optimization/26854
1218 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1219 * doc/tree-ssa.texi: Update immuse iterator documentation.
1220 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1221 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1222 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1223 first_safe_imm_use, next_safe_imm_use): Remove.
1224 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1225 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1226 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1227 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1228 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1229 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1230 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1231 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1232 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1233 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1234 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1235 (perfect_nestify): Use new iterator.
1236 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1238 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1239 (next_imm_name): New field in struct immediate_use_iterator_d.
1240 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1241 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1242 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1243 * tree-cfg.c (replace_uses_by): Use new iterator.
1244 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1245 * tree-ssa-operands.c (correct_use_link): Remove.
1246 (finalize_ssa_use_ops): No longer call correct_use_link.
1248 2006-04-27 Stuart Hastings <stuart@apple.com>
1250 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1251 * config/t-darwin (crt3.o): Use it.
1252 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1253 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1254 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1255 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1256 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1259 2006-04-27 Roger Sayle <roger@eyesopen.com>
1261 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1262 size, force the intermediate into a new pseudo rather instead of
1263 performing both a bitwise AND and a bitwise IOR in memory.
1265 2006-04-27 Richard Guenther <rguenther@suse.de>
1267 PR rtl-optimization/26685
1268 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1269 this one "max-flow-memory-locations".
1271 2006-04-27 Richard Guenther <rguenther@suse.de>
1273 PR tree-optimization/25148
1274 * tree-vrp.c (compare_values): Remove code dealing with
1275 comparisons against type min/max value. Honour overflow
1276 and negative constants in code dealing with comparisons
1277 of plus and minus expressions.
1278 (value_inside_range): Use fold_binary with LE_EXPR and
1279 GE_EXPR rather than compare_values.
1281 2006-04-27 Dirk Mueller <dmueller@suse.de>
1283 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1286 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1288 * basic-block.h (safe_insert_insn_on_edge): Removed.
1289 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1291 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1292 Paolo Bonzini <bonzini@gnu.org>
1295 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1296 (simplify_and_const_int): Same.
1298 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1300 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1302 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1305 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1306 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1307 cgraph_global_info_ready.
1310 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1313 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1314 either decl or init is error_mark_node.
1317 * tree-flow.h (struct omp_region): Add sched_kind.
1318 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1319 instead of extracting omp for data.
1320 (expand_omp_for): Save extracted sched_kind.
1322 2006-04-25 Roger Sayle <roger@eyesopen.com>
1324 * expmed.c (store_bit_field): Also check whether the bitsize is
1325 valid for the machine's "insv" instruction before moving the
1326 target into a pseudo for use with the insv.
1327 * config/i386/predicates.md (const8_operand): New predicate.
1328 * config/i386/i386.md (extv, extzv, insv): Use the new
1329 const8_operand predicate where appropriate.
1331 2006-04-25 DJ Delorie <dj@redhat.com>
1333 * doc/install.texi (Specific): Clarify that this is not a list of
1334 supported hosts or targets.
1336 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1338 PR rtl-optimization/26725
1339 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1340 block's BB_DIRTY flag.
1342 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1344 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1347 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1348 to print an integer.
1350 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1352 * varasm.c (align_variable): New function.
1353 (get_block_for_decl): Apply align_variable to DECL before
1354 calculating section information.
1355 (assemble_variable): Split out alignment computation.
1357 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1359 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1362 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1364 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1365 MODE_PARTIAL_INT mode.
1366 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1367 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1369 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1370 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1372 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1374 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1376 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1377 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1378 MACFLAG_IH): Likewise.
1379 (movstricthi_1): Renamed from "*movstricthi".
1380 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1381 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1382 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1383 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1384 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1385 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1386 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1387 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1388 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1389 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1390 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1391 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1392 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1393 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1394 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1396 * doc/rtl.texi (ss_ashift): Improve wording.
1398 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1400 * dwarf2out.c (verify_marks_clear): New.
1401 (prune_unused_types): Call verify_marks_clear initially, not
1404 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1406 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1407 * doc/rtl.texi: Document them.
1408 * simplify-rtx.c (simplify_unary_operation,
1409 simplify_binary_operation_1): Don't abort when we see them.
1411 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1414 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1415 * configure.ac: Completely disregard languages that are not
1417 * configure: Regenerated.
1419 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1420 Richard Guenther <rguenther@suse.de>
1422 PR tree-optimization/27236
1423 * tree-inline.c (copy_body_r): Make sure to copy
1424 TREE_THIS_VOLATILE flag.
1426 2006-04-24 Richard Guenther <rguenther@suse.de>
1429 * tree-complex.c (update_parameter_components): Don't handle
1430 unused parameters which have no default def.
1432 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1433 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/27218
1436 * tree-inline.c (expand_call_inline): Strip useless type
1437 conversions for the return slot address.
1439 2006-04-24 Richard Guenther <rguenther@suse.de>
1441 * cfgloop.h (struct loops): Remove unused field array. Reorder
1443 (LOOP_PREFETCH): Remove.
1445 2006-04-24 Richard Guenther <rguenther@suse.de>
1447 PR tree-optimization/22525
1448 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1449 variable, adjust types of generated expressions.
1451 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1453 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1454 (tree-vect-patterns.o): Likewise.
1456 (cselib.o): Likewise.
1457 (loop-doloop.o): Likewise.
1458 (regclass.o): Likewise.
1459 (reload1.o): Likewise.
1460 (explow.o): Replace target.h with $(TARGET_H).
1461 (ipa-prop.o): Likewise.
1462 (ipa-cp.o): Likewise.
1463 (ipa-inline.o): Likewise.
1464 (reorg.o): Likewise.
1465 (reg-stack.o): Likewise.
1467 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1469 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1471 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1473 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1475 * configure.ac: Completely disregard languages that are not
1477 * configure: Regenerated.
1480 * c-common.h (c_build_bitfield_integer_type): Declare.
1481 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1482 * c-common.c (c_build_bitfield_integer_type): ... here.
1484 2006-04-23 Roger Sayle <roger@eyesopen.com>
1487 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1488 a SImode SUBREG of a floating point register after no_new_pseudos.
1490 2006-04-23 Roger Sayle <roger@eyesopen.com>
1492 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1493 identify potentially eliminable registers to additionally catch
1494 VIRTUAL_INCOMING_ARGS_REGNUM.
1495 (addsi3): Update the conditions on when to use addsi_small_int.
1497 2006-04-23 Roger Sayle <roger@eyesopen.com>
1500 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1501 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1502 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1504 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1506 * fold-const.c (range_predecessor): Use operand_equal_p
1507 as the predicate for equality.
1508 (range_successor): Likewise.
1510 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1513 * config/soft-fp/op-common.h: Fix a typo.
1515 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1518 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1519 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1521 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1523 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1525 * doc/tm.texi: Fix a typo.
1527 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1529 * dwarf2out.c (struct die_struct): Document that die_sib makes
1530 a circular linked list.
1531 (FOR_EACH_CHILD): New.
1532 (reverse_die_lists): Delete.
1533 (reverse_all_dies): Delete.
1534 (add_dwarf_attr): Correct documentation.
1535 (remove_child_with_prev): New.
1536 (remove_child_TAG): Update for change to die_struct, use
1537 remove_child_with_prev.
1538 (add_child_die): Update for change to die_struct.
1539 (splice_child_die): Use remove_child_with_prev and add_child_die.
1540 (print_die): Use FOR_EACH_CHILD.
1541 (die_checksum): Likewise.
1542 (assign_symbol_names): Likewise.
1543 (output_location_lists): Likewise.
1544 (build_abbrev_table): Likewise.
1545 (calc_die_sizes): Likewise.
1546 (mark_dies): Likewise.
1547 (unmark_dies): Likewise.
1548 (unmark_all_dies): Likewise.
1549 (output_die): Likewise.
1550 (prune_unused_types_mark): Likewise.
1551 (prune_unused_types_walk): Likewise.
1552 (same_die_p): Update for change to die_struct.
1553 (break_out_includes): Likewise.
1554 (prune_unused_types_prune): Likewise.
1555 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1556 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1558 (dwarf2out_finish): Don't call reverse_all_dies.
1560 2006-04-21 Eric Christopher <echristo@apple.com>
1562 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1563 in comments and function names.
1565 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1568 * c-typeck.c (digest_init): Robustify.
1570 * c-typeck.c (pop_init_level): Simplify.
1572 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1574 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1576 2006-04-21 Paul Brook <paul@codesourcery.com>
1578 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1579 hardware floating point.
1581 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1583 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1586 2006-04-21 Nick Clifton <nickc@redhat.com>
1588 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1591 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1594 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1595 C++ lang type in traceback table for Objective-C++.
1597 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1599 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1601 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1603 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1606 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1607 were errors. Remove check for erroneous objects.
1609 2006-04-20 Jeff Law <law@redhat.com>
1611 PR tree-optimization/26854
1612 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1613 checking for zero or one use.
1614 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1615 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1616 * tree-ssa-reassoc.c (negate_value): Similarly.
1617 (reassociate_bb): Similarly.
1619 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1621 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1622 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1623 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1625 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1627 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1628 fp regs if the last fp arg doesn't fit in regs.
1630 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1633 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1634 that the last insn has the REG_INC note.
1636 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1637 Nathan Sidwell <nathan@codesourcery.com>
1640 * stor-layout.c (update_alignment_for_field): Do not align
1642 (place_union_field): Place union field at the start of the union.
1643 (place_field): Move ERROR_MARK check later, and use the current
1644 allocation position to maintain monotonicity.
1646 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1648 * dominance.c: Include timevar.h.
1649 (calculate_dominance_info): Use TV_DOMINANCE.
1650 * timevar.def (TV_DOMINANCE): New timevar.
1651 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1653 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1655 PR rtl-optimization/14261
1656 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1657 move would be an INSV insn.
1658 (noce_process_if_block): Don't optimize if the destination is a
1659 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1661 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1663 * config/s390/s390.md: Add comments with the instructions emitted
1664 by an insn pattern if macros are used.
1666 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1668 PR rtl-optimization/26026
1669 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1670 is a known power of two shifted left a variable amount.
1672 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1674 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1675 to hash table twice when the debug_str section has SECTION_MERGE.
1677 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1679 * config/soft-fp: New directory. From glibc.
1680 * config/soft-fp/t-softfp: New.
1681 * config/soft-fp/README: New.
1682 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1683 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1684 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1685 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1686 * config.gcc: Use rs6000/t-fprules-fpbit or
1687 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1689 * config/rs6000/sfp-machine.h: New. Based on glibc.
1690 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1692 * config/rs6000/t-fprules: Remove fp-bit rules.
1693 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1694 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1695 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1696 (softfp_wrap_start, softfp_wrap_end): New.
1698 2006-04-18 DJ Delorie <dj@redhat.com>
1700 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1702 2006-04-18 Devang Patel <dpatel@apple.com>
1704 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1706 2006-04-18 Nick Clifton <nickc@redhat.com>
1708 * config/sh/t-symbian: Add rule to build sh-c.o
1709 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1710 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1711 (sh_symbian_encode_section_info): Likewise.
1713 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1715 * builtins.c (expand_builtin_strcmp): Cover label definition of
1716 do_libcall with HAVE_cmpstrnsi.
1718 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1720 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1722 * function.h (temp_slot_p): New.
1723 (function): Change the type of x_used_temp_slots to
1724 VEC(temp_slot_p,gc) *.
1726 2006-04-18 Nick Clifton <nickc@redhat.com>
1728 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1729 flag_strength_reduce.
1731 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1733 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1737 Partial revert of revision 112637
1738 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1739 Dale Johannesen <dalej@apple.com>
1742 * regclass.c (struct reg_pref): Update documentation.
1743 (regclass): Set prefclass to NO_REGS if memory is the best option.
1744 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1746 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1748 PR tree-optimization/26821
1749 * tree-ssa-math-opts.c (get_constant_one): New.
1750 (insert_reciprocals): Use it.
1752 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1754 * dwarf2out.c (free_AT): Delete.
1755 (remove_AT): Update string ref counts.
1756 (remove_child_TAG): Don't call free_die.
1758 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1759 or DW_TAG_GNU_EINCL.
1760 (prune_unused_types_walk_attribs): Reset string refcounts.
1761 (prune_unused_types_update_strings): New.
1762 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1763 call free_die. Do call prune_unused_types_update_strings.
1764 (prune_unused_types): Empty debug_str_hash.
1766 2006-04-17 Roger Sayle <roger@eyesopen.com>
1768 * expr.c (expand_assignment): Optimize away no-op moves where the
1769 source and destination are equal and have no side-effects.
1771 2006-04-17 Richard Guenther <rguenther@suse.de>
1774 * reload.c (push_reload): Guard calls to get_secondary_mem
1777 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1779 * alias.c (reg_base_value, old_reg_base_value): Change the
1780 type to VEC(rtx,gc) *.
1781 (REG_BASE_VALUE, find_base_value, record_set,
1782 init_alias_analysis): Use VEC instead of VARRAY.
1784 * alias.c (alias_sets): Change the type to
1785 VEC(alias_set_entry,gc) *.
1786 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1787 VEC instead of VARRAY.
1788 (last_alias_set): Remove.
1790 * cgraph.h (cgraph_edge_p): New.
1791 Update the prototype of cgraph_function_versioning.
1792 * cgraphunit.c (cgraph_copy_node_for_versioning,
1793 cgraph_function_versioning): Use VEC instead of VARRAY.
1794 * ipa-cp.c (ipcp_insert_stage): Likewise.
1796 2006-04-16 Roger Sayle <roger@eyesopen.com>
1799 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1800 "A op B" or "A op C", we may need to convert A to the type of B and C.
1802 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1804 * target.h (struct gcc_target): Add mode_rep_extended.
1805 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1806 (init_num_sign_bit_copies_in_rep): Initialize it using
1808 (truncate_to_mode): Use it.
1809 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1810 * targhooks.h (default_mode_rep_extended): Declare it.
1811 * targhooks.c (default_mode_rep_extended): Define it.
1812 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1813 default_mode_rep_extended.
1814 (TARGET_INITIALIZER): Include it.
1815 * doc/tm.texi (Misc): Document it.
1816 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1817 (mips_truncated_to_mode): New function.
1819 2006-04-16 Roger Sayle <roger@eyesopen.com>
1822 * expr.c (compress_float_constant): Copy the narrow constant into
1823 a new pseudo before extending it to its final width.
1825 2006-04-16 Roger Sayle <roger@eyesopen.com>
1826 Andrew Pinski <pinskia@gcc.gnu.org>
1827 Dale Johannesen <dalej@apple.com>
1830 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1831 special case code to implement V8HImode and V16QImode with SSE2.
1833 2006-04-15 Roger Sayle <roger@eyesopen.com>
1835 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1836 trees are constructed with a suitable tree type.
1838 2006-04-15 Roger Sayle <roger@eyesopen.com>
1840 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1841 (integer_onep): Likewise.
1842 (integer_all_onesp): Likewise.
1843 (integer_pow2p): Likewise.
1844 (integer_nonzerop): Likewise.
1845 (real_zerop): Likewise.
1846 (real_onep): Likewise.
1847 (real_twop): Likewise.
1848 (real_minus_onep): Likewise.
1849 (int_size_in_bytes): Likewise.
1850 (host_integerp): Likewise.
1852 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1854 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1855 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1856 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1858 * tree-ssa-structalias.h (alias_info): Remove num_references.
1860 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1862 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1863 (output_bvb patterns): Likewise.
1864 * pa.c (output_bb): Use 'bb' insn for long branch case.
1865 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1866 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1867 1. Correct length operand for alternatives 1 and 2.
1868 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1869 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1871 2006-04-14 Roger Sayle <roger@eyesopen.com>
1873 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1874 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1875 were accidentally reverted by r112959.
1877 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1880 * except.h (eh_region_outermost): New prototype.
1881 * except.c (eh_region_outermost): New function.
1882 * tree-cfg.c (find_outermost_region_in_block): Use it.
1884 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1886 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1888 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1889 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1890 (init_reload, reload): Use VEC instead of VARRAY.
1891 * reload.h: Update the prototype for
1892 reg_equiv_memory_loc_varray.
1894 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1895 Eric Botcazou <ebotcazou@libertysurf.fr>
1897 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1900 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1903 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1904 to expand fallback builtin function call.
1906 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1909 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1910 and emit libcall here in case the builtin fails.
1911 (expand_builtin_strcmp): Always emit the libcall here on failure.
1913 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1915 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1916 * flow.c (reg_n_info): Change the type to
1917 VEC(reg_info_p,heap) *.
1918 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1920 * regs.h (reg_info_p): New.
1921 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1922 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1923 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1926 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1928 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1930 * params.h (MAX_SCHED_READY_INSNS): New macro.
1931 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1932 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1933 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1934 the ready list for 1 cycle during the first scheduling pass.
1935 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1937 2006-04-13 Richard Henderson <rth@redhat.com>
1940 * gimple-low.c (lower_omp_directive): Remove dead code.
1941 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1942 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1943 * omp-low.c (struct omp_region): Move to tree-flow.h.
1944 (root_omp_region): Export.
1945 (omp_regions, lookup_omp_region): Remove.
1946 (determine_parallel_type): Update for struct omp_region changes.
1947 (dump_omp_region): Dump regions with block numbers.
1948 (new_omp_region): Take type and block instead of stmt; malloc
1950 (free_omp_region_1, free_omp_regions): New.
1951 (expand_parallel_call): Take entry_stmt as argument; update for
1952 changes to omp_region.
1953 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1954 (remove_exit_barriers): New.
1955 (expand_omp_parallel): Update for struct omp_region changes.
1956 (expand_omp_synch): Likewise.
1957 (expand_omp): Likewise.
1958 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1959 (expand_omp_for_static_chunk): Likewise.
1960 (expand_omp_for): Likewise.
1961 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1962 (expand_omp_sections): Similarly, with GOMP_sections_end.
1963 (expand_omp_single): New.
1964 (build_omp_regions_1): Update for OMP_CONTINUE.
1965 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1966 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1967 OMP_SECTIONS_SECTIONS.
1968 (lower_omp_single_simple): Don't emit barrier here.
1969 (lower_omp_single_copy): Likewise.
1970 (lower_omp_single): Fix bindings, and lower to straightline now.
1971 (lower_omp_master, lower_omp_ordered): Likewise.
1972 (lower_omp_critical): Likewise.
1973 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1974 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1975 omp edges, free it afterward.
1976 (make_omp_sections_edges): Remove.
1977 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1978 (move_stmt_r): Handle OMP_CONTINUE.
1979 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1980 statement pointers to basic blocks. Add type member.
1981 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1982 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1983 * tree-inline.c (estimate_num_insns_1): Likewise.
1984 * tree-pretty-print.c (dump_generic_node): Likewise.
1985 * tree-ssa-operands.c (get_expr_operands): Likewise.
1986 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1987 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1988 (OMP_CONTINUE): New.
1989 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1990 (OMP_SECTIONS_SECTIONS): Remove.
1991 (OMP_SECTION_LAST): New.
1992 (OMP_RETURN_NOWAIT): New.
1994 2006-04-13 Roger Sayle <roger@eyesopen.com>
1996 * fold-const.c (native_encode_vector, native_interpret_real):
1997 Correct obvious mistakes in the previous check-in.
1999 2006-04-13 Roger Sayle <roger@eyesopen.com>
2001 * fold-const.c (native_encode_expr): New function to encode
2002 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2003 or VECTOR_CST into a specified buffer.
2004 (native_encode_int): New function.
2005 (native_encode_real): New function.
2006 (native_encode_complex): New function.
2007 (native_encode_vector): New function.
2008 (native_interpret_expr): Inverse of native_encode_expr to convert
2009 a target representation into an INTEGER_CST, REAL_CST etc...
2010 (native_interpret_int): New function.
2011 (native_interpret_real): New function.
2012 (native_interpret_complex): New function.
2013 (native_interpret_vector): New function.
2014 (fold_view_convert_expr): New function to constant fold/evaluate
2015 a VIEW_CONVERT_EXPR of a suitable constant expression.
2016 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2017 Change call of build1 to fold_build1 when constructing a
2020 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2021 Ulrich Weigand <uweigand@de.ibm.com>
2024 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2027 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2030 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2031 optimize to lo_sum for DFmode if !TARGET_FPRS.
2033 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2035 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2036 delete_alias_info, compute_flow_sensitive_aliasing,
2037 group_aliases): Use VEC instead of VARRAY.
2038 * tree-ssa-structalias.c (update_alias_info): Likewise.
2039 * tree-ssa-structalias.h (alias_info): Change the type of
2040 processed_ptrs to VEC(tree,heap) *.
2042 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2045 * config/sh/lib1funcs.h: New file, broken out of:
2046 * config/sh/lib1funcs.asm.
2047 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2049 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2050 * config/sh/lib1funcs-Os-4-200.asm: New file.
2051 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2052 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2053 (EXTRA_MULTILIB_PARTS): Include it.
2054 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2055 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2056 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2057 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2060 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2062 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2063 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2064 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2066 * tree-ssa-live.h: Include vecprim.h.
2067 (tree_partition_associator_d): Change the type of
2068 first_partition to VEC(int,heap) *.
2069 (tpa_first_partition): Use VEC instead of VARRAY.
2071 * Makefile.in (GTFILES): Move functions.h after tree.h.
2072 * function.c (reset_block_changes, record_block_change,
2073 check_block_change, free_block_changes): Use VEC instead of
2075 * function.h (function): Change the type of
2076 ib_boundaries_block to VEC(tree,gc) *.
2077 * tree-inline.c (copy_cfg_body): Initialize
2078 ib_boundaries_block to NULL instead of (varray_type) 0.
2080 2006-04-12 Roger Sayle <roger@eyesopen.com>
2082 * expr.c (emit_group_store): Correct operand order in call to
2083 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2084 a SUBREG_BYTE of zero.
2086 2006-04-12 Richard Guenther <rguenther@suse.de>
2088 * profile.c (compute_branch_probabilities): Remove code
2089 encapsulated in !ir_type (), which are remanents of the
2090 removed RTL profiling code.
2091 * rtl-profile.c: Remove.
2093 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2095 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2096 magic NULL_RTX comment.
2097 (function_arg): Store entire fp arg to mem if any part should go
2099 (rs6000_arg_partial_bytes): Adjust for above change.
2101 2006-04-11 Roger Sayle <roger@eyesopen.com>
2103 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2104 if it hasn't been initialized by dwarf2out_init.
2106 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2108 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2109 symbolic constants in branch patterns.
2111 2006-04-11 Roger Sayle <roger@eyesopen.com>
2113 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2115 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2117 PR rtl-optimization/27073
2118 * gcse.c (try_replace_reg): Revert last change. Continue to search
2119 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2122 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2124 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2125 aggregate types other than record and union types.
2126 (function_arg): Likewise.
2127 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2129 (function_value): In 64-bit mode, return objects that require it
2132 2006-04-11 Roger Sayle <roger@eyesopen.com>
2134 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2136 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2138 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2140 2006-04-03 Jeff Law <law@redhat.com>
2143 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2144 alias information too.
2146 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2148 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2150 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2153 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2154 (premark_used_types_helper): New.
2155 (premark_used_types): New.
2156 (gen_subprogram_die): Call premark_used_types.
2157 (prune_unused_types_walk): Do not prune perennial dies.
2158 * function.c (used_types_insert): New.
2159 * function.h (struct function): Add used_types_hash field.
2160 (used_types_insert): Add prototype.
2161 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2162 * c-parser.c (c_parser_cast_expression): Save casted types in used
2165 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2168 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2169 rs6000_explicit_options.float_gprs.
2171 2006-04-10 Roger Sayle <roger@eyesopen.com>
2173 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2174 from ix86_expand_vector_init_low_nonzero. Take an additional
2175 one_var argument indicating which element is non-zero. Support
2176 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2177 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2178 with one_var instead of ix86_expand_vector_init_low_nonzero.
2180 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2182 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2183 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2184 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2185 build/genextract.o): Depend on vecprim.h.
2186 * cfglayout.c, df-problems.c, function.c, genextract.c,
2187 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2188 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2192 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2194 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2195 Declare VECs of this type.
2196 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2197 (remove_children): Delete.
2198 (add_dwarf_attr): Use VEC routines.
2199 (add_AT_flag): Update for changes to add_dwarf_attr.
2200 (add_AT_int): Likewise.
2201 (add_AT_unsigned): Likewise.
2202 (add_AT_long_long): Likewise.
2203 (add_AT_vec): Likewise.
2204 (add_AT_string): Likewise.
2205 (add_AT_die_ref): Likewise.
2206 (add_AT_fde_ref): Likewise.
2207 (add_AT_loc): Likewise.
2208 (add_AT_loc_list): Likewise.
2209 (add_AT_addr): Likewise.
2210 (add_AT_lbl_id): Likewise.
2211 (add_AT_lineptr): Likewise.
2212 (add_AT_macptr): Likewise.
2213 (add_AT_offset): Likewise.
2214 (add_AT_range_list): Likewise.
2215 (get_AT): Use VEC_iterate.
2216 (remove_AT): Use VEC_ordered_remove.
2217 (free_die): Fold remove_children into here; have it use VEC_iterate.
2218 (print_die): Use VEC_iterate on attrs.
2219 (reverse_die_lists): Don't reverse attr lists.
2220 (die_checksum): Use VEC_iterate on attrs.
2221 (same_die_p): Likewise.
2222 (output_location_lists): Likewise.
2223 (build_abbrev_table): Likewise.
2224 (size_of_die): Likewise.
2225 (unmark_all_dies): Likewise.
2226 (output_abbrev_section): Likewise.
2227 (output_die): Likewise.
2228 (prune_unused_types_walk_attribs): Likewise.
2230 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2232 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2234 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2237 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2239 2006-04-09 Roger Sayle <roger@eyesopen.com>
2241 * expr.c (store_constructor): Don't bother clearing target if
2242 we're about to assign a vector to it using vec_init_optab.
2244 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2246 * tree-ssa-alias.c (lhs_may_store_to): New function.
2247 (recalculate_used_alone): Handle LHS of calls.
2249 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2253 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2254 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2255 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2256 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2257 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2258 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2259 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2260 stubs. Add ".align 8" directives before all ".dword" directives.
2261 (GTHREAD_USE_WEAK): Revise comment.
2262 (TARGET_ATTRIBUTE_WEAK): Define.
2263 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2264 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2265 * stublib.c: New file.
2270 * pa.md (cbranch patterns): Revise arguments used in calls to
2271 output_cbranch, output_bb and output_bvd. Add long branch length
2273 (fbranch patterns): Handle long branches.
2274 (jump): Revise length check. Revise arguments for output_lbranch call.
2275 Add long branch length attributes.
2276 (decrement_and_branch_until_zero): Add long branch length attributes.
2277 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2278 Likewise. Revise arguments for output_parallel_addb and
2279 output_parallel_movb calls.
2280 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2281 output_parallel_movb and output_parallel_addb): Update prototypes.
2282 * pa.c (output_cbranch): Revise arguments. Correct handling of
2283 nullification in long branches.
2284 (output_lbranch): Add new argument to control extraction of delay
2286 (output_bb): Handle long branches.
2287 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2288 output_parallel_addb): Likewise.
2290 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2292 PR rtl-optimization/27073
2293 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2296 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2298 * tree.h (tree_memory_tag): Add old_used_alone.
2299 (SMT_OLD_USED_ALONE): New macro.
2300 * tree-ssa-alias.c (recalculate_used_alone): Stop
2301 marking things for renaming unnecessarily.
2303 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2305 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2306 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2307 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2308 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2309 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2310 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2311 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2312 spelling convensions.
2313 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2314 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2315 typos. Follow spelling conventions.
2317 2006-04-07 DJ Delorie <dj@redhat.com>
2319 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2320 passed on the stack.
2321 (m32c_init_cumulative_args): When a function returns a structure,
2322 always pass the pointer to that return area on the stack.
2323 (m32c_function_arg_advance): Don't increment the parameter number
2324 if we're processing the returned structure pointer.
2325 (pushm_info): Reverse order of registers.
2327 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2329 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2330 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2331 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2332 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2334 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2335 chrec_fold_multiply): Same.
2336 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2337 force_expr_to_var_cost): Same.
2338 * tree-mudflap.c (mf_xform_derefs_1): Same.
2339 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2341 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2343 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2344 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2347 2006-04-07 Jan Hubicka <jh@suse.cz>
2349 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2351 2006-04-07 Richard Guenther <rguenther@suse.de>
2353 PR tree-optimization/26135
2354 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2355 loads for store copy-prop.
2356 (copy_prop_visit_stmt): Likewise.
2358 2006-04-05 Robert Millan <robertmh@gnu.org>
2360 * config/i386/linux.h: Add a comment to mark macros that are
2361 being overriden in config/k*bsd-gnu.h.
2362 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2364 * config/knetbsd-gnu.h: Ditto.
2366 2006-04-06 Jan Hubicka <jh@suse.cz>
2370 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2373 2006-04-06 Mike Stump <mrs@apple.com>
2375 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2376 for HAVE_nonlocal_goto to be consistent.
2377 (expand_builtin_nonlocal_goto): Likewise.
2378 (expand_builtin_strcmp): Use #ifdef instead of #if
2379 for HAVE_cmpstrnsi to be consistent.
2381 2006-04-05 DJ Delorie <dj@redhat.com>
2383 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2386 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2388 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2389 got-relative addressing for anything but SImode.
2391 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2392 even if the calling function doesn't modify them.
2394 2006-04-05 Richard Guenther <rguenther@suse.de>
2396 PR tree-optimization/26919
2397 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2398 to cgraph_estimate_size_after_inlining.
2400 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2402 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2404 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2406 PR tree-optimization/26996
2407 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2408 VECTOR_TYPE variables.
2410 2006-04-05 Richard Guenther <rguenther@suse.de>
2412 PR tree-optimization/26763
2413 * fold-const.c (fold_comparison): Move folding of
2414 PTR + CST CMP PTR + CST ...
2415 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2417 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2419 * doc/install.texi (Prerequisites): Refine some wording on
2420 bootstrapping and ksh.
2421 Move the version numbers of DejaGnu here from the testing section
2422 and fix casing of names.
2423 Fix markup and clarify wording for autogen requirements.
2424 Refer to GCJ instead of just java.
2425 Refer to SVN instead of CVS.
2426 Describe diffutils as useful instead of necessary.
2427 (Downloading the source): Refer to SVN instead of CVS.
2428 Adjust a link to our web site accordingly.
2429 (Configuration): Fix casing of Bison.
2430 (Building): Refer to SVN instead of CVS.
2431 Fix a sentence on the use of Bison and remove duplicate (and
2432 incorrect) version number of Bison requirement.
2433 Remove one redundant list of packages needed for building.
2434 (Specific): Avoid reference to CVS.
2436 2006-04-04 Eric Christopher <echristo@apple.com>
2438 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2439 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2440 (rs6000_handle_struct_attribute): New.
2441 (rs6000_ms_bitfield_layout_p): Ditto.
2443 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2445 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2446 NULL for dso parameter to atexit_common.
2448 2006-04-04 Eric Christopher <echristo@apple.com>
2450 * config/i386/i386.c (machopic_output_stub): Output \t
2451 between instructions and operands.
2453 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2455 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2456 satisfies_constraint_[IL] to explicit tests on value.
2458 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2460 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2461 set_nb_iterations_in_loop): Use build_int_cst instead of
2463 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2464 build_int_cst instead of convert.
2466 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2468 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2469 new value 2 for incoming.
2470 * function.c (expand_function_start): Call struct_value_rtx
2472 * config/sparc/sparc.md: Comment updated_return.
2473 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2474 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2475 struct return if sparc_std_struct_return and incoming is 2.
2476 (print_operand): Do not adjust return if
2477 sparc_std_struct_return.
2479 2006-04-04 Roger Sayle <roger@eyesopen.com>
2481 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2482 convert in the middle-end.
2483 * expr.c (store_expr, store_constructor, get_inner_reference,
2484 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2486 * tree.c (build_range_type): Likewise.
2488 2006-04-04 Tom Tromey <tromey@redhat.com>
2490 * doc/install.texi (Prerequisites): Mention jar.
2492 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2494 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2497 2006-04-04 Matthias Klose <doko@debian.org>
2499 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2500 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2503 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2505 * doc/extend.texi (Function Attributes): Rewrite visibility
2506 attribute documentation.
2507 * doc/invoke.texi (C++ Dialect Options): Rewrite
2508 -fvisibility-inlines-hidden documentation to describe something
2509 entirely different, although in practise compatible.
2510 (Code Gen Options): Warn about system headers in -fvisibiltity=
2513 * doc/extend.texi (Other Builtins): Document that
2514 __builtin_nan is a compile-time constant only when its argument
2517 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2519 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2520 trying to remove TRUNCATE check if all bits outside the new mode
2521 are identical to the sign bit.
2523 2006-04-03 Jeff Law <law@redhat.com>
2525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2526 and operand scanning in some common cases.
2528 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2529 Dale Johannesen <dalej@apple.com>
2532 * regclass.c (struct reg_pref): Update documentation.
2533 (regclass): Set prefclass to NO_REGS if memory is the best option.
2534 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2535 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2536 into account. For non-registers, equate an empty preferred
2537 reload class to a `!' in the constraint; move the if clause to
2538 do so after those that reject the insn.
2539 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2541 (find_dummy_reload): Likewise.
2542 * doc/tm.texi (Register Classes): Document what it means
2543 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2544 * config/i386/i386.c (ix86_preferred_reload_class): Force
2545 using SSE registers (and return NO_REGS for floating-point
2546 constants) if math is done with SSE.
2547 (ix86_preferred_output_reload_class): New.
2548 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2549 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2550 * config/i386/i386.md: Remove # register preferences.
2552 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2555 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2556 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2557 the type of nb_iter.
2558 (instantiate_parameters_1): Convert the operands before calling
2559 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2560 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2562 2006-04-02 Roger Sayle <roger@eyesopen.com>
2564 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2565 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2567 * dojump.c (do_jump): Likewise.
2568 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2569 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2570 gimplify_boolean_expr): Likewise.
2571 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2572 * varasm.c (array_size_for_constructor): Likewise.
2573 * tree-object-size.c (compute_object_offset): Likewise.
2575 2006-04-02 Roger Sayle <roger@eyesopen.com>
2578 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2579 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2581 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2583 PR tree-optimization/26939
2584 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2586 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2588 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2589 at_stmt. Convert the type of operands before calling
2590 build_polynomial_chrec.
2591 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2593 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2594 (instantiate_parameters_1): Convert the type of operands before calling
2595 build_polynomial_chrec.
2596 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2597 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2598 reset_evolution_in_loop): Insert asserts to check the types of the
2600 (chrec_type): Moved...
2601 (eq_evolutions_p): Use operand_equal_p.
2602 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2603 the types of the operands.
2604 (chrec_type): ...here.
2605 * tree-data-ref.c (create_data_ref): Convert the operands before
2606 calling chrec_replace_initial_condition.
2607 (same_access_functions, analyze_subscript_affine_affine,
2608 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2609 (compute_subscript_distance, analyze_ziv_subscript,
2610 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2611 analyze_miv_subscript): Convert the operands before calling
2612 chrec_fold_minus or chrec_fold_plus.
2614 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2616 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2617 the dependence_relations vector.
2618 (compute_data_dependences_for_loop): Adjust call to
2619 compute_all_dependences.
2621 2006-04-01 Roger Sayle <roger@eyesopen.com>
2622 Richard Henderson <rth@redhat.com>
2624 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2625 gimple_boolify on the condition before calling gimplify_expr.
2627 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2629 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2630 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2631 the frame size. Update to use the new macros.
2632 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2633 * config/xtensa/ieee754-df.S: Likewise.
2635 2006-03-31 Richard Henderson <rth@redhat.com>
2637 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2638 (make_edges): ... here. Control fallthru creation with a local
2639 variable. Do not play with fake edges.
2640 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2641 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2644 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2646 * dwarf2.h (DW64_CIE_ID): Define.
2647 * dwarf2out.c (DWARF_CIE_ID): Define.
2648 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2649 length header. Use DWARF_CIE_ID.
2650 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2651 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2653 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2655 * config/sh/linux-atomic.asm: New file.
2656 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2658 2006-03-31 DJ Delorie <dj@redhat.com>
2660 * config/m32c/cond.md: Set condition flags properly throughout.
2661 * config/m32c/minmax.md: Likewise.
2662 * config/m32c/prologue.md: Likewise.
2663 * config/m32c/bitops.md: Likewise.
2664 * config/m32c/muldiv.md: Likewise.
2665 * config/m32c/mov.md: Likewise.
2666 * config/m32c/addsub.md: Likewise.
2667 * config/m32c/m32c.md: Likewise.
2668 * config/m32c/jump.md: Likewise.
2669 * config/m32c/shift.md: Likewise.
2671 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2672 conditionally output the pattern for this.
2673 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2674 (m32c_compare_redundant): New.
2675 (m32c_output_compare): New.
2676 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2678 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2679 dest, not src. Allow other 4-byte modes.
2681 2006-03-30 Denis Chertykov <denisc@overta.ru>
2683 * doc/md.texi: Refer to avr/constraints.md instead of
2686 2006-03-30 Roger Sayle <roger@eyesopen.com>
2688 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2689 signed vs. unsigned comparison failures on some hosts.
2691 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2694 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2695 change to FLOAT_REGS.
2697 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2698 (rs6000_override_options): Use it.
2699 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2700 only for -mabi=spe/no-spe and -mabi=altivec.
2702 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2704 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2707 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2709 * Makefile.in: Rename docdir to gcc_docdir.
2711 2006-03-30 Roger Sayle <roger@eyesopen.com>
2714 * expr.c (emit_group_store): Optimize group stores into a pseudo
2715 register by using a paradoxical subreg to initialize the destination
2716 if the first or last member of the group specifies a "low part".
2718 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2721 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2722 * target.h (struct gcc_target.speculate_insn): Change type of the
2723 second parameter to 'int'.
2724 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2725 the second operand of the DEPS_LIST.
2726 (copy_DEPS_LIST_list): Update reference to the second operand of the
2728 * rtl.h (alloc_DEPS_LIST): Update signature.
2729 * sched-int.h (ds_t): Change typedef to 'int'.
2730 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2732 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2734 * haifa-sched.c (try_ready): Change condition to restore
2735 non-speculative pattern of the instruction.
2736 (process_insn_depend_be_in_spec): Code to keep probability of the
2737 speculative dependence non-decreasing.
2739 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2741 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2742 (single_move_for_movmem): ... this. Also change all uses.
2743 (bfin_expand_strmov): Renamed to...
2744 (bfin_expand_movmem): ... this. Also change all uses.
2745 * config/bfin/bfin.md (movstrsi): Renamed to...
2746 (movstrsi): ...this.
2748 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2750 PR tree-optimization/26830
2752 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2753 (copy_prop_visit_stmt): Remove write-only variable ann.
2754 (init_copy_prop): Check variable loop depth here. Do not simulate
2755 memory-tag and virtual operand PHIs except for store copy prop.
2757 2006-03-30 Richard Guenther <rguenther@suse.de>
2759 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2760 variants with double arguments.
2762 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2764 * genpreds.c (write_tm_constrs_h): Delete variable p.
2765 * genconditions.c (write_header): Add tm-constrs.h to included
2767 * genpeep.c (main): Add toplev.h to included headers.
2768 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2769 (build/genpeep.o): Add toplev.h dependency.
2770 * config/rs6000/constraints.md: Add "W" constraint.
2772 2006-03-29 Roger Sayle <roger@eyesopen.com>
2774 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2775 sizes by correctly testing whether the size fits a host integer.
2776 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2777 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2778 SImode range for the default sizetype and bitsizetype.
2780 2006-03-29 Roger Sayle <roger@eyesopen.com>
2782 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2783 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2784 quickly if the argument is already of the correct type.
2785 Call fold_build1 instead of build1. Tidy up blank lines.
2787 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2789 * genemit.c (main): Add tm-constrs.h to included headers.
2790 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2791 * genpeep.c (main): Add tm-constrs.h to included headers.
2792 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2793 (write_tm_constrs_h): this and write complete file.
2794 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2795 (write_insn_preds_c): Add tm-constrs.h to included headers.
2796 (gen_constrs): New variable.
2797 (parse_option): Parse "-c".
2798 (main): Invoke write_tm_constrs_h.
2799 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2800 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2801 (object_out_file): Add tm-constrs.h dependency.
2802 (insn-emit.o): Same.
2803 (insn-output.o): Same.
2804 (insn-peep.o): Same.
2805 (insn-preds.o): Same.
2806 (insn-recog.o): Same.
2807 (tm-constsr.h): New target.
2808 (s-constrs-h): New target.
2810 * config/rs6000/constraints.md: New file.
2811 * config/rs6000/rs6000.c: Include tm-constrs.h.
2812 (num_insn_constant_wide): Convert to satisfies_constraint.
2813 (rs6000_rtx_costs): Convert to satisfies_constraint.
2814 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2815 (CONST_OK_FOR_LETTER_P): Delete.
2816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2817 (EXTRA_CONSTRAINT): Delete.
2818 (EXTRA_MEMORY_CONSTRAINT): Delete.
2819 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2820 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2821 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2822 satisfies_constraint.
2824 * config/i386/i386.c: Include tm-constrs.h.
2826 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2828 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2829 * tree-data-ref.c (find_data_references_in_loop,
2830 compute_data_dependences_for_loop): Use pointers to VEC.
2831 (analyze_all_data_dependences): Adjust calls.
2832 * tree-data-ref.h (find_data_references_in_loop,
2833 compute_data_dependences_for_loop): Adjust declarations.
2834 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2835 compute_data_dependences_for_loop.
2837 2006-03-29 Paul Brook <paul@codesourcery.com>
2839 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2842 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2844 PR tree-optimization/26859
2845 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2847 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2848 for the step after fold_convert.
2850 2006-03-29 Paul Brook <paul@codesourcery.com>
2852 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2853 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2855 2006-03-29 Paul Brook <paul@codesourcery.com>
2858 * targhooks.c (default_narrow_bitfield): New fuction.
2859 * targhooks.h (default_narrow_bitfield): add prototype.
2860 * target.h (gcc_target): Add narrow_volatile_bitfield.
2861 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2862 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2863 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2864 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2866 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2868 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2870 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2871 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2872 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2873 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2874 (s390_function_arg_float): Allow SDmode and DDmode values to be
2875 passed in floating point registers.
2876 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2877 check with SCALAR_FLOAT_MODE_P.
2878 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2880 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2882 PR tree-optimization/25985
2883 * tree-ssa-loop-niter.c (number_of_iterations_le,
2884 number_of_iterations_ne): Make comments more precise.
2885 (number_of_iterations_cond): Add only_exit argument. Use the
2886 fact that signed variables do not overflow only when only_exit
2888 (loop_only_exit_p): New.
2889 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2890 number_of_iterations_cond.
2892 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2894 PR tree-optimization/26643
2895 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2898 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2900 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2901 (divsi3_i4_int): Likewise.
2903 2006-03-28 Roger Sayle <roger@eyesopen.com>
2905 * expr.c (emit_group_store): Only create a new pseudo reg if the
2906 quantity it needs to hold isn't already a suitable pseudo.
2908 2006-03-28 Jeff Law <law@redhat.com>
2910 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2911 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2913 2006-03-28 Roger Sayle <roger@eyesopen.com>
2915 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2916 the equivalent ~X & Y, and the symmetry related transformations.
2917 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2918 ~X & Y, and symmetry related transforms.
2920 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2922 Revert my 2006-03-27 patches.
2924 2006-03-28 Roger Sayle <roger@eyesopen.com>
2926 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2927 ~(T1)X, when T1 and T2 are integer types of the same precision
2928 and (T2)X isn't an extension.
2930 2006-03-28 Jeff Law <law@redhat.com>
2932 PR tree-optimization/26796
2933 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2934 need EH edge cleanups rather than purging them immediately.
2935 (eliminate_degenerate_phis): Handle queued EH cleanups.
2937 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2939 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2942 2006-03-27 Roger Sayle <roger@eyesopen.com>
2945 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2946 cast BIT_NOT_EXPR operand to the correct type.
2948 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2950 * tree-loop-linear.c: Don't include varray.h.
2951 (gather_interchange_stats, try_interchange_loops,
2952 linear_transform_loops): Use VEC instead of VARRAY.
2953 * lambda-mat.c: Don't include varray.h.
2954 * tree-chrec.c: Same.
2955 * lambda-trans.c: Same.
2956 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2957 VEC instead of VARRAY.
2958 * tree-vectorizer.h: Idem.
2959 * tree-data-ref.c (dump_data_references,
2960 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2961 initialize_data_dependence_relation, finalize_ddr_dependent,
2962 compute_all_dependences, find_data_references_in_loop,
2963 compute_data_dependences_for_loop, analyze_all_data_dependences,
2964 free_dependence_relation, free_dependence_relations,
2965 free_data_refs): Idem.
2966 * tree-data-ref.h (data_reference_p, subscript_p): New.
2967 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2968 VEC instead of VARRAY.
2969 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2970 (find_data_references_in_loop, compute_data_dependences_for_loop,
2971 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2972 dump_data_dependence_relations, free_dependence_relations,
2973 free_data_refs): Adjust declaration.
2974 (lambda_transform_legal_p): Move declaration here...
2975 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2976 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2977 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2978 vect_analyze_data_refs): Use VEC instead of VARRAY.
2979 * lambda.h (lambda_transform_legal_p): ...from here.
2980 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2981 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2982 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2983 tree-chrec.o): Don't depend on VARRAY_H.
2985 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2987 * rtl.def (Copyright): Update date.
2988 (DEPS_LIST): Change type of the second operand to 'int'.
2989 * target.h (Copyright): Update date.
2990 (struct gcc_target.speculate_insn): Change type of the second parameter
2992 * lists.c (Copyright): Update date.
2993 (alloc_DEPS_LIST): Change signature. Update reference to the second
2994 operand of the DEPS_LIST.
2995 (copy_DEPS_LIST_list): Update reference to the second operand of the
2997 * rtl.h (Copyright): Update date.
2998 (alloc_DEPS_LIST): Update signature.
2999 * sched-int.h (Copyright): Update date.
3000 (ds_t): Change typedef to 'int'.
3001 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3003 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3005 * haifa-sched.c (Copyright): Update date.
3006 (try_ready): Change condition to restore non-speculative pattern
3008 (process_insn_depend_be_in_spec): Code to keep probability of the
3009 speculative dependence non-decreasing.
3011 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3013 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3014 shut up the compiler.
3016 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3018 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3019 to use lib prefix for target.
3020 ($(T)libic_invalidate_array_4-200.a): Likewise.
3021 ($(T)libic_invalidate_array_4a.a): Likewise.
3023 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3024 J"orn Rennecke <joern.rennecke@st.com>
3026 * superh.opt: New file.
3027 * sh.c (boardtype, osruntime): Remove.
3028 * superh.h (SUBTARGET_OPTIONS): Remove.
3029 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3031 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3032 arguments with ^ and/or [].
3034 * config.gcc (sh-*-*): Add quoting to account for quirk of
3036 Replace == with = in enable_incomplete_targets test.
3038 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3039 with MASK_LITTLE_ENDIAN.
3041 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3042 * config/sh/sh.opt: Added to some comments.
3043 * config/sh/superh.h: Removed some chaff.
3045 * config/sh/sh.opt: Add m4-[1234]00* options.
3046 * config/sh/sh.c (sh_handle_option): Likewise.
3047 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3048 (ic_invalidate_array_4-100.o): New rule.
3049 ($(T)libic_invalidate_array_4-100.a): Likewise.
3050 (ic_invalidate_array_4-200.o): Likewise.
3051 ($(T)libic_invalidate_array_4-200.a): Likewise.
3052 (ic_invalidate_array_4a.o): Likewise.
3053 ($(T)libic_invalidate_array_4a.a): Likewise.
3054 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3055 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3057 * config/sh/crt1.asm: Merged in profiling code.
3058 * config/sh/superh.h (STARTFILE_SPEC): Override.
3059 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3060 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3061 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3063 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3064 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3065 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3067 * sh.opt (mpretend-cmove): New option.
3068 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3069 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3070 (movsicc): Add TARGET_PRETEND_CMOVE code.
3072 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3074 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3075 s390_class_max_nregs): New function prototypes.
3076 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3077 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3078 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3079 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3081 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3083 * dwarf2out.c (add_location_or_const_value_attribute): Call
3084 tree_add_const_value_attribute if nothing else works.
3085 (reference_to_unused): New.
3086 (rtl_for_decl_init): Use reference_to_unused to decide whether
3087 to output an initializer.
3089 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3092 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3093 peephole removing spe frob_di_df_2.
3095 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3097 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3098 (subscript_dependence_tester_1): Declared.
3099 (print_dir_vectors, print_dist_vectors): New.
3100 (debug_data_dependence_relation): New.
3101 (dump_data_dependence_relation): Print more details.
3102 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3103 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3104 (save_dist_v, save_dir_v, add_outer_distances,
3105 build_classic_dist_vector_1): New.
3106 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3107 Don't test for lambda_vector_lexico_pos.
3108 (same_access_functions, add_multivariate_self_dist,
3109 add_other_self_distances, dir_from_dist): New.
3110 (build_classic_dir_vector): Replace implementation almost identical to
3111 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3113 (subscript_dependence_tester_1): New.
3114 (subscript_dependence_tester): Handle the lexicographically negative
3115 distance vectors by recomputing the dependence relation.
3116 (compute_affine_dependence): Remove parameter loop_nest_depth.
3117 (compute_self_dependence): Don't call compute_subscript_distance.
3118 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3119 Add a parameter for the loop_nest.
3120 (find_loop_nest_1, find_loop_nest): New.
3121 (compute_data_dependences_for_loop): Compute the loop nest, and give
3122 up if the nest is not well formed.
3123 * tree-data-ref.h (loop_p): New.
3124 (struct data_dependence_relation): Replace size_vect field with
3125 loop_nest, a vec of loops.
3126 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3127 (DDR_LOOP_NEST): New.
3128 (print_dir_vectors, print_dist_vectors,
3129 debug_data_dependence_relation): Declared.
3130 (index_in_loop_nest): New.
3131 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3132 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3135 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3137 * simplify-rtx.c (simplify_relational_operation): Call
3138 simplify_relational_operation_1 even if mode is VOIDmode.
3140 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3142 PR tree-optimization/26804
3143 * tree.h (DECL_CALL_CLOBBERED): New macro.
3144 (tree_decl_common): Add call_clobbered_flag.
3145 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3146 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3147 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3148 (mark_non_addressable): Ditto.
3149 * tree-ssa.c (verify_call_clobbered): New function.
3150 (verify_alias_info): Use it.
3151 * tree-pass.h (pass_reset_cc_flags): New prototype.
3152 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3153 (reset_cc_flags): New function.
3154 * passes.c (init_optimization_passes): Call reset_cc_flags after
3155 initializing referenced_vars.
3157 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3158 Roger Sayle <roger@eyesopen.com>
3161 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3162 to 1.0 for non-real operands. Implement A / A optimization for
3165 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3167 * config/i386/i386.c (size_cost): Correct the comment for
3168 cost of storing fp registers.
3169 (i386_cost): Likewise.
3170 (i486_cost): Likewise.
3171 (pentium_cost): Likewise.
3172 (pentiumpro_cost): Likewise.
3173 (k6_cost): Likewise.
3174 (athlon_cost): Likewise.
3175 (k8_cost): Likewise.
3176 (pentium4_cost): Likewise.
3177 (nocona_cost): Likewise.
3178 (generic64_cost): Likewise.
3179 (generic32_cost): Likewise.
3181 2006-03-24 Denis Chertykov <denisc@overta.ru>
3183 * config/avr/avr-protos.h (extra_constraint): Delete.
3184 (extra_constraint_Q): New declaration.
3185 * config/avr/constraints.md: New file.
3186 * config/avr/avr.md: Include it.
3187 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3188 (TMP_REGNO, ZERO_REGNO): Likewise.
3189 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3190 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3191 (extra_constraint): Delete.
3192 (extra_constraint_Q): Test for memory constraint 'Q'.
3193 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3194 (REG_CLASS_FROM_LETTER): Delete.
3195 (CONST_OK_FOR_LETTER_P): Delete.
3196 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3197 (EXTRA_CONSTRAINT): Delete.
3198 (TMP_REGNO): Delete.
3199 (ZERO_REGNO): Delete.
3201 2006-03-24 Jeff Law <law@redhat.com>
3203 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3204 directly. Call mark_new_vars_to_rename slightly earlier.
3206 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3208 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3210 (gen_compile_unit_die): Use new language types for Objective-C and
3212 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3213 DW_LANG_C_plus_plus.
3216 * config/t-darwin (crt3.o): Work around bug 26840.
3217 * config/darwin-crt3.c: Rewrite.
3218 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3220 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3222 * doc/invoke.texi: Document -femit-class-debug-always
3223 * common.opt: Add -femit-class-debug-always.
3225 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3227 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3228 index and base register.
3229 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3230 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3231 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3232 REGNO_OK_FOR_INDEX_P.
3233 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3235 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3236 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3237 REG_OK_FOR_BASE_P): Definitions removed.
3239 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3242 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3243 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3244 set yet or weren't marked as local yet.
3246 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3248 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3251 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3253 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3254 (rs6000_legitimate_small_data_p): Delete.
3255 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3256 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3257 and make static. Add forward declaration. Update uses.
3258 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3259 of offsettable_memref_p.
3260 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3261 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3263 2006-03-24 Jeff Law <law@redhat.com>
3265 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3266 around bug in immediate-use iterator.
3268 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3271 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3272 or __LITTLE_ENDIAN__.
3274 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3276 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3277 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3278 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3279 * config/sh/sh.opt (mdiv=): Amend description.
3280 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3281 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3282 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3283 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3284 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3285 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3286 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3287 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3288 TARGET_DIVIDE_CALL_FP.
3290 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3292 * haifa-sched.c (choose_ready): Fix type of the local variable.
3293 Move local variables. Add comment.
3294 (check_reg_live): Change signature. Make callable from debugger.
3295 * sched-int.h (check_reg_live): Update signature.
3296 * sched-ebb.c (check_reg_live): Update parameters.
3297 * sched-rgn.c (check_reg_live): Ditto.
3298 (region_head_or_leaf_p): Check pointer before dereferencing.
3299 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3300 before reload on optimization levels below 1.
3302 2006-03-23 Richard Henderson <rth@redhat.com>
3304 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3308 * config/alpha/predicates.md (local_symbolic_operand): Reject
3311 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3314 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3315 expressions which have overflowed constants.
3317 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3319 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3321 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3323 * cfgloopmanip.c (create_loop_notes): Removed.
3324 * final.c (final_scan_insn): Do not handle loop notes.
3325 * jump.c (squeeze_notes): Ditto.
3326 * cfglayout.c (skip_insns_after_block,
3327 duplicate_insn_chain): Ditto.
3328 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3330 * cfgloop.h (create_loop_notes): Declaration removed.
3332 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3334 * varasm.c (output_constant_pool): Restore fnname and fndecl
3336 (assemble_start_function): Adjust call accordingly.
3337 (assemble_end_function): Likewise.
3339 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3342 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3345 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3347 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3350 * system.h (ICE_EXIT_CODE): New macro.
3351 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3352 (diagnostic_action_after_output): Likewise.
3353 * gcc.c (fatal_ice): New function.
3354 (execute): Use it instead of fatal.
3355 (fancy_abort): Likewise.
3356 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3358 2006-03-22 Jeff Law <law@redhat.com>
3360 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3361 iv_analyze_result returning false.
3363 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3365 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3367 2006-03-22 Richard Henderson <rth@redhat.com>
3370 * except.c (duplicate_eh_regions_0): New.
3371 (duplicate_eh_region_1): Duplicate the children of the node as
3372 well as the node itself. Link them up properly.
3373 (duplicate_eh_region_2): Merge into ...
3374 (duplicate_eh_regions): ... here. Take copy_region argument, and
3375 copy only a sub-tree if asked. Simplify copying and fixup.
3376 (eh_region_outer_p): New.
3377 * except.h (duplicate_eh_regions): Update decl.
3378 (eh_region_outer_p): Declare.
3379 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3380 (lower_omp_master): Likewise.
3381 (lower_omp_ordered): Likewise.
3382 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3383 (move_stmt_r): Use it to remap labels. Handle recursion vs
3384 remap_decls_p properly.
3385 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3386 (find_outermost_region_in_block): New.
3387 (new_label_mapper): New.
3388 (move_sese_region_to_fn): Copy eh information to the new function
3390 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3392 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3395 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3397 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3398 into shared libraries.
3400 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3402 * doc/md.texi: Refer to i386/constraints.md instead of
3404 * config/i386/constraints.md: New file, extracted from...
3405 * config/i386/predicates.md: ...here.
3406 * config/i386/i386.md: Include constraints.md.
3408 2006-03-21 Jason Merrill <jason@redhat.com>
3410 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3413 * expr.c (init_block_move_fn): Force default visibility.
3414 (init_block_clear_fn): Likewise.
3415 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3416 * targhooks.c (default_external_stack_protect_fail): Likewise.
3418 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3420 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3421 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3422 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3423 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3424 (loadgp): Use mips_current_loadgp_style.
3425 (loadgp_noshared): New pattern.
3426 (sibcall_internal): Use MIPS_CALL.
3427 (sibcall_value_internal): Likewise.
3428 (sibcall_value_multiple_internal): Likewise.
3429 (call_internal): Likewise.
3430 (call_value_internal): Likewise.
3431 (call_value_multiple_internal): Likewise.
3432 (call_split): Use MIPS_CALL and add an 'S' constraint.
3433 (call_value_split): Likewise.
3434 (call_value_multiple_split): Likewise.
3435 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3436 (-mshared): New option.
3437 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3438 (mips_current_loadgp_style): Declare.
3439 * config/mips/mips.c (mips_classify_symbol): Avoid using
3440 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3441 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3442 TARGET_ABSOLUTE_ABICALLS.
3443 (override_options): Adjust comments. Improve the warning that is
3444 issued when -mabicalls and -G are used together.
3445 (mips_file_start): Remove comment.
3446 (mips_current_loadgp_style): New function.
3447 (mips_gnu_local_gp): New variable.
3448 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3450 (mips_output_function_prologue): Use mips_current_laodgp_style.
3451 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3452 the cprestore instruction.
3453 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3454 live for TARGET_ABSOLUTE_ABICALLS.
3455 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3456 (ASM_SPEC): Pass down -mshared and -mno-shared.
3457 (MIPS_CALL): New macro.
3458 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3460 * doc/invoke.texi (-mabicalls): Update documentation.
3461 (-mshared): Document.
3463 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3465 * config/ia64/unwind-hpux.c: New file.
3466 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3468 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3471 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3473 2006-03-21 Jeff Law <law@redhat.com>
3475 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3476 type conversions of a VR_VARYING source to a wider type.
3478 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3480 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3481 tm_file on Solaris 10 and later.
3482 (sparc64-*-solaris2*): Likewise.
3483 (sparc-*-solaris2*): Likewise.
3484 * config/sol26.h: Rename to config/sol2-6.h.
3485 * config/sol2-10.h: New file.
3487 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3490 * tree-ssa-pre.c (create_component_ref_by_pieces):
3493 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3496 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3497 return it immediately.
3499 2006-03-21 Michael Matz <matz@suse.de>
3501 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3503 (remove_arc, add_arc): Update num_out_arcs member.
3504 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3506 (cache_presence): New function.
3507 (compare_states_for_equiv): New function.
3508 (state_is_differed): Don't take number of outargs, adjust callers.
3509 Use new invariant for speeding up.
3510 (init_equiv_class): Create initial classes based on sorted
3512 (partition_equiv_class): Don't track out_arcs_num.
3513 (evaluate_equiv_classes): Call cache_presence on all states and
3516 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3518 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3519 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3520 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3521 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3523 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3524 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3525 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3526 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3527 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3529 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3530 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3531 (REGNO_REG_CLASS): ARGP is in PREGS.
3532 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3534 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3535 to deal with those addresses.
3536 * addresses.h: New file.
3537 * caller-save.c: Include "addresses.h".
3538 (init_caller_save): Use new base_reg_class function.
3539 * rtl-factoring.c: Include "addresses.h".
3540 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3541 * recog.c: Include "addresses.h".
3542 (preprocess_constraints): Use new base_reg_class function.
3543 * regrename.c: Include "addresses.h".
3544 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3545 functions. Keep track of a new var INDEX_CODE to compute valid
3547 (replace_oldest_value_addr): Likewise.
3548 (replace_oldest_value_mem): Use base_reg_class.
3549 * reload.c: Include "addresses.h".
3550 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3551 (find_reloads): Use new base_reg_class function.
3552 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3553 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3554 all callers and prototype changed.
3555 * reload1.c: Include "addresses.h".
3556 (maybe_fix_stack_asms): Use base_reg_class.
3557 * regclass.c: Include "addresses.h".
3558 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3559 (init_reg_autoinc): Use new base_reg_class function.
3560 (record_reg_classes): Likewise.
3561 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3562 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3563 Use new args to compute necessary class.
3565 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3566 regrename.o, rtl-factoring.o): Update dependencies.
3567 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3568 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3569 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3570 REG_OK_FOR_INDEX_P): Delete documentation.
3572 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3574 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3575 from V7 to V9 for Solaris 7 and above.
3577 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3579 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3580 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3581 argument pointers may not alias any other storage.
3582 * common.opt: Define option -fargument-noalias-anything.
3583 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3584 alias semantics is specified by flag_argument_noalias > 2.
3586 2006-03-20 Jeff Law <law@redhat.com>
3588 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3589 (pass_phi_only_cprop): Declare.
3590 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3592 * tree-ssa-dom.c (degenerate_phi_result): New function.
3593 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3594 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3595 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3596 (eliminate_degenerate_phis): Likewise.
3597 (pass_phi_only_cprop): New pass descriptor.
3598 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3599 support code. Callers updated.
3600 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3601 (store_copy_prop): Likewise.
3602 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3604 2006-03-20 Jason Merrill <jason@redhat.com>
3607 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3608 (push_visibility, pop_visibility): Likewise.
3609 * c-pragma.h: Declare them.
3611 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3613 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3615 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3616 parameter and use get_ebb_head_tail.
3617 (sh_md_init_global): Adjust uses of find_regmode_weight.
3619 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3621 * function.h (struct function) <x_tail_recursion_reentry>:
3622 Rename to x_stack_check_probe_note.
3623 (tail_recursion_reentry): Rename to stack_check_probe_note.
3624 * function.c: Replace tail_recursion_reentry with
3625 stack_check_probe_note everywhere.
3626 (expand_function_start): Only emit a note for
3627 stack_check_probe_note with -fstack-protect.
3628 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3630 * emit-rtl.c (remove_unnecessary_notes): Remove.
3631 (pass_remove_unnecessary_notes): Remove.
3632 * rtl.h (remove_unnecessary_notes): Remove prototype.
3633 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3634 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3635 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3637 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3640 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3641 (valid_in_set): Handle ARRAY_REF.
3642 Change "if min_variant or VH" to asserts.
3643 (create_component_ref_by_pieces): Handle ARRAY_REF.
3644 (create_expression_by_pieces): Likewise.
3645 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3647 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3649 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3650 is operand of switch, not str[0].
3652 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3654 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3655 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3657 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3659 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3660 end of insn_extra_address_constraint declaration.
3662 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3664 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3665 (no-sum-in-toc): Same.
3666 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3668 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3669 NO_FP_IN_TOC for -fPIC instead of mask.
3671 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3672 (BOOT_LDFLAGS): Delete.
3674 * config/rs6000/t-aix52: Same.
3676 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3677 (stmsi[345678]_power): New.
3679 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3681 * config/ia64/ia64.opt: Add empty line to end of file.
3683 2006-03-17 Richard Guenther <rguenther@suse.de>
3686 * builtins.c (get_pointer_alignment): For component style references
3687 adjust alignment to the component type alignment. Make sure
3688 to adjust alignment for component access of constants.
3690 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3692 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3695 2006-03-17 Paul Brook <paul@codesourcery.com>
3697 * doc/install.texi: Docuemnt --with-mode.
3698 * config.gcc: Add --with-mode for arm*-*-*.
3699 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3701 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3703 * sh.c (max_labelno_before_reorg): New variable.
3704 (sh_reorg): Initialize it.
3705 (find_barrier): Check max_labelno_before_reorg before using
3706 label_to_alignment. Take length of explicit alignment insns
3707 into account. When seeing a UNSPECV_CONST_END, return it.
3709 * sh.c (fixup_mova): Set mode of affected label to QImode.
3710 (untangle_mova): New function.
3711 (find_barrier): Use it. Check mode of label before decrementing
3713 (sh_reorg): Likewise.
3714 Set mode of all insns back to VOIDmode.
3716 * sh.c (MOVA_LABELREF): New macro.
3717 (mova_p, fixup_mova, sh_reorg): Use it.
3718 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3719 ADDR_DIFF_VEC matches mova.
3721 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3723 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3724 with ATTRIBUTE_UNUSED.
3726 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3728 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3729 pointer, instead of assuming it is possible to derive the
3730 correct args size from a call insn.
3732 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3734 * rtl.h (CONST_INT_P): Define.
3735 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3736 instead of GET_CODE(x) == CONST_INT.
3737 (vax_rtx_costs): Likewise.
3738 (vax_output_int_move): Likewise.
3739 (vax_output_int_add): Likewise.
3740 (legitimate_constant_address_p): Likewise.
3741 (index_term_p): Likewise.
3742 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3743 * config/vax/vax.md (and<mode>3): Likewise.
3744 (ashrsi3): Likewise.
3746 (movstricthi): Likewise.
3747 (movstrictqi): Likewise.
3748 (rotrsi3): Likewise.
3749 (five unnamed insns): Likewise.
3751 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3753 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3754 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3755 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3756 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3757 Pass to ASM_OUTPUT_DWARF_OFFSET.
3758 * dwarf2out.c (debug_frame_section): New.
3759 (output_call_frame_info): Use debug_frame_section. Pass it to
3760 dw2_asm_output_offset.
3761 (output_die): Pass appropriate section to dw2_asm_output_offset.
3762 (output_compilation_unit_header): Likewise.
3763 (output_pubnames): Likewise.
3764 (output_aranges): Likewise.
3765 (enum dw_val_class): Break dw_val_class_lbl_offset into
3766 dw_val_class_lineptr and dw_val_class_macptr.
3767 (add_AT_lbl_offset): Delete.
3768 (add_AT_lineptr): New.
3769 (add_AT_macptr): New.
3770 (AT_lbl): Expect a lineptr or macptr.
3771 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3772 (attr_checksum): Likewise.
3773 (same_dw_val_p): Likewise.
3774 (size_of_die): Likewise.
3775 (value_format): Likewise.
3776 (output_die): Likewise.
3777 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3779 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3780 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3781 * config/darwin-protos.h (darwin_file_start): New.
3782 (darwin_asm_output_dwarf_offset): New.
3783 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3784 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3786 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3787 if not EH section; simplify.
3788 (darwin_file_start): New.
3789 (darwin_asm_output_dwarf_offset): New.
3790 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3792 (DEBUG_INFO_SECTION): Likewise.
3793 (DEBUG_ABBREV_SECTION): Likewise.
3794 (DEBUG_ARANGES_SECTION): Likewise.
3795 (DEBUG_MACINFO_SECTION): Likewise.
3796 (DEBUG_LINE_SECTION): Likewise.
3797 (DEBUG_LOC_SECTION): Likewise.
3798 (DEBUG_PUBNAMES_SECTION): Likewise.
3799 (DEBUG_STR_SECTION): Likewise.
3800 (DEBUG_RANGES_SECTION): Likewise.
3801 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3802 (ASM_OUTPUT_DWARF_OFFSET): New.
3804 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3806 * config.gcc (tm_defines): Always add to previous value rather
3809 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3811 * config/mips/predicates.md (splittable_const_int_operand): New,
3812 split from move_operand.
3813 (splittable_symbolic_operand): New.
3814 (move_operand): Add commentary. Use splittable_const_int_operand.
3815 Inline mips_atomic_symbolic_constant_p.
3816 * config/mips/mips.md: Add combine splitters for handling moves
3817 of splittable_const_int_operands and splittable_symbolic_operands.
3818 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3819 (mips_split_symbol): Declare.
3820 (mips_move_integer): Declare.
3821 * config/mips/mips.c (mips_split_p): Make global.
3822 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3823 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3824 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3825 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3826 (mips_offset_within_object_p): Handle block symbols.
3827 (mips_atomic_symbolic_constant_p): Delete.
3828 (mips_cannot_force_const_mem): Return false for constants that
3829 mips_legitimize_move can handle.
3830 (mips_use_blocks_for_constant_p): New function.
3831 (mips_split_symbol): Make global.
3832 (mips_move_integer): Likewise. Add a temporary register argument.
3833 (mips_legitimize_const_move): Use splittable_const_int_operand and
3834 splittable_symbolic_operand.
3835 (mips_use_anchors_for_symbol_p): New function.
3836 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3837 (mips_split_p): Declare.
3839 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3841 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3842 (mips*-*-linux*): Likewise.
3844 2006-03-16 Roger Sayle <roger@eyesopen.com>
3845 Daniel Speyer <dspeyer@wam.umd.edu>
3848 * tree-dump.c (dump_real): New function.
3849 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3850 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3851 (tree-dump.o): Add $(REAL_H) to the dependencies.
3853 2006-03-16 Roger Sayle <roger@eyesopen.com>
3856 * real.c (real_from_string): If the mantissa is zero, don't bother
3857 parsing the exponent as the result should always be zero.
3859 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3861 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3863 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3865 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3866 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3867 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3868 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3869 ia64_sched_finish_global): New static functions to implement
3870 hooks from gcc_target.sched.
3871 (spec_check_no, max_uid, pending_data_specs): New static variables.
3872 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3873 ia64_spec_check_src_p): New static functions.
3874 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3875 (TARGET_SCHED_ADJUST_COST): Removed.
3876 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3877 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3878 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3879 TARGET_SCHED_GEN_CHECK,
3880 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3881 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3882 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3883 Fixed to handle speculation checks.
3884 (rtx_needs_barrier): Fixed to handle speculative loads and
3886 (ia64_variable_issue): Added code to count speculative loads and their
3888 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3890 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3892 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3894 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3895 (ia64_reorg): Reset stops_p to NULL after it is freed.
3896 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3897 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3898 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3900 (data_speculative, control_speculative, check_load): New attributes.
3901 (mov<mode>_advanced, mov<mode>_speculative,
3902 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3903 zero_extend<mode>di2_speculative,
3904 zero_extend<mode>di2_speculative_advanced): New patterns for
3905 data and control speculative loads.
3906 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3908 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3909 New pattern for data and control speculation checks.
3910 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3911 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3912 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3913 Auxiliary definitions for the patterns.
3914 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3915 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3917 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3919 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3920 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3921 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3922 New resource constraints.
3923 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3925 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3926 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3927 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3928 msched-in-control-spec, msched-ldc, msched-control-ldc,
3929 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3930 msched-prefer-non-control-spec-insns,
3931 msched-count-spec-in-critical-path): New flags to tune speculative
3933 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3934 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3935 msched-in-control-spec, msched-ldc, msched-control-ldc,
3936 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3937 msched-prefer-non-control-spec-insns,
3938 msched-count-spec-in-critical-path): Document new flags.
3940 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3942 * target.h (struct spec_info_def): New opaque declaration.
3943 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3944 speculate_insn, needs_block_p, gen_check,
3945 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3946 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3947 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3948 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3949 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3950 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3952 (TARGET_SCHED): Use new macros.
3953 * rtl.h (copy_DEPS_LIST_list): New prototype.
3954 * sched-int.h (struct sched_info): Change signature of new_ready field,
3955 adjust all initializations. New fields: add_remove_insn,
3956 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3957 region_head_or_leaf_p.
3958 (struct spec_info_def): New structure declaration.
3959 (spec_info_t): New typedef.
3960 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3961 recovery_block, orig_pat.
3962 (glat_start, glat_end): New variables declaraions.
3963 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3965 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3966 DETACH_LIFE_INFO, USE_GLAT.
3967 (enum SPEC_SCHED_FLAGS): New enumeration.
3968 (NOTE_NOTE_BB_P): New macro.
3969 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3970 attach_life_info, debug_spec_status, check_reg_live): New functions.
3971 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3972 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3974 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3975 * ddg.c (get_block_head_tail): Adjust all uses.
3976 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3977 (sms_sched_info): Initialize new fields.
3978 (contributes_to_priority): Removed.
3979 * haifa-sched.c (params.h): New include.
3980 (get_block_head_tail): Adjust all uses.
3981 (ISSUE_POINTS): New macro.
3982 (glat_start, glat_end): New global variables.
3983 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3984 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3985 old_last_basic_block, before_recovery, current_sched_info_var,
3986 rgn_n_insns, luid): New static variables.
3987 (insn_cost1): New function. Move logic from insn_cost to here.
3988 (find_insn_reg_weight1): New function. Move logic from
3989 find_insn_reg_weight to here.
3990 (reemit_notes, move_insn, max_issue): Change signature.
3991 (move_insn1): Removed.
3992 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3993 extend_bb): New static functions to support extension of scheduler's
3995 (generate_recovery_code, process_insn_depend_be_in_spec,
3996 begin_speculative_block, add_to_speculative_block,
3997 init_before_recovery, create_recovery_block, create_check_block_twin,
3998 fix_recovery_deps): New static functions to support
3999 generation of recovery code.
4000 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4001 restore_bb_notes, move_block_after_check, move_succs): New static
4002 functions to support ebb scheduling.
4003 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4004 functions to support handling of register live information.
4005 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4006 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4007 add_jump_dependencies): New static functions.
4008 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4009 consistancy checking.
4010 (debug_spec_status): New function to call from debugger.
4011 (priority): Added code to handle speculation checks.
4012 (rank_for_schedule): Added code to distinguish speculative instructions.
4013 (schedule_insn): Added code to handle speculation checks.
4014 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4015 Fixed to handle ebbs.
4016 (move_insn): Added code to handle ebb scheduling.
4017 (max_issue): Added code to use ISSUE_POINTS of instructions.
4018 (choose_ready): Added code to choose between speculative and
4019 non-speculative instructions.
4020 (schedule_block): Added code to handle ebb scheduling and scheduling of
4021 speculative instructions.
4022 (sched_init): Initialize new variables.
4023 (sched_finish): Free new variables. Print statistics.
4024 (try_ready): Added code to handle speculative instructions.
4025 * lists.c (copy_DEPS_LIST_list): New function.
4026 * sched-deps.c (extend_dependency_caches): New function. Move logic
4027 from create_dependency_caches to here.
4028 (get_dep_weak, ds_merge): Make global.
4029 * genattr.c (main): Code to output prototype for
4030 dfa_clear_single_insn_cache.
4031 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4032 (output_dfa_clean_insn_cache_func): Code to output
4033 dfa_clear_single_insn_cache function.
4034 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4036 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4038 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4039 New static variables.
4040 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4041 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4043 (ebb_sched_info): Initialize new fields.
4044 (get_block_head_tail): Adjust all uses.
4045 (compute_jump_reg_dependencies): Fixed to use glat_start.
4046 (schedule_ebb): Code to remove unreachable last block.
4047 (schedule_ebbs): Added code to update register live information.
4048 * sched-rgn.c (region_sched_info): Initialize new fields.
4049 (get_block_head_tail): Adjust all uses.
4050 (last_was_jump): Removed. Adjust users.
4051 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4052 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4053 Implement new hooks.
4054 (check_dead_notes1): New static function.
4055 (struct region): New fields: dont_calc_deps, has_real_ebb.
4056 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4057 (BB_TO_BLOCK): Fixed to handle EBBs.
4058 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4059 (ebb_head): New static variable.
4060 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4061 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4063 (compute_dom_prob_ps): New assertion.
4064 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4065 global_live_at_start.
4066 (init_ready_list): New assertions.
4067 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4068 (new_ready): Add support for BEGIN_CONTROL speculation.
4069 (schedule_insns): Fixed code that updates register live information
4071 (schedule_region): Fixed to handle EBBs.
4072 (init_regions): Use extend_regions and check_dead_notes1.
4073 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4074 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4075 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4076 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4077 TARGET_SCHED_GEN_CHECK,
4078 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4079 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4080 * doc/invoke.texi (max-sched-insn-conflict-delay,
4081 sched-spec-prob-cutoff): Document.
4083 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4085 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4086 inter_tick, queue_index.
4087 (struct sched_info): Change signature of init_ready_list field.
4088 Adjust all initializations.
4089 (RESOLVED_DEPS): New access macro.
4090 (ready_add): Remove prototype.
4091 (try_ready): Add prototype.
4092 * sched-rgn.c (init_ready_list): Use try_ready.
4093 (schedule_region): Initialize
4094 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4095 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4096 (init_ready_list): Use try_ready.
4097 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4098 * lists.c (remove_list_elem): Remove `static'.
4099 (remove_free_INSN_LIST_elem): New function.
4100 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4101 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4102 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4104 (readyp): New variable.
4105 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4106 change_queue_index, resolve_dep): New static functions.
4107 (try_ready): New function. Adjust callers in sched-rgn.c and
4108 sched-ebb.c to use it instead of ready_add.
4109 (clock_var): Move at the begining of file.
4110 (rank_for_schedule): Fix typo.
4111 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4112 (ready_lastpos): Enforce assertion.
4113 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4115 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4116 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4117 (queue_to_ready): Use free_INSN_LIST_list.
4118 (early_queue_to_ready): Fix typo.
4119 (schedule_block): Init readyp. Move init_ready_list call after the
4120 initialization of clock_var. Fix error in rejecting insn by
4121 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4122 that previously corrected INSN_TICKs. Add code for handling
4124 (set_priorities): Fix typo.
4125 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4126 Clarify comment and code that keeps current_sched_info->next_tail
4129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4131 * sched-rgn.c (extend_rgns): New static function.
4132 (find_rgns): Use it.
4133 (gather_region_statistics, print_region_statistics): New static
4135 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4136 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4138 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4139 Andrey Belevantsev <abel@ispras.ru>
4141 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4142 * lists.c (unused_deps_list): New variable.
4143 (free_list): Add assertions to verify the proper distinguishing
4144 between INSN_LISTs and DEPS_LISTs.
4145 (find_list_elem, remove_list_elem, remove_list_node): New static
4147 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4148 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4149 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4150 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4152 (free_INSN_LIST_node): Likewise.
4153 * modulo-sched.c (current_sched_info): Initialize flags field.
4154 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4155 * rtl.def (DEPS_LIST): Define.
4156 * rtl.h: Declare new functions from lists.c.
4157 * sched-deps.c (spec_dependency_cache): New static variable.
4158 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4159 (add_dependence): Change return type to void. Move the logic to ...
4160 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4161 (delete_all_dependences): Add comment about forward_dependency_cache.
4162 Handle spec_dependency_cache. Handle DEPS_LISTs.
4163 (fixup_sched_groups): Clarify the change of priority of output
4164 and anti dependencies.
4165 (sched_analyze_2): Adjust add_dependence calls to create data
4166 speculative dependence.
4167 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4168 Adjust all callers. Handle DEPS_LISTS.
4169 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4170 presence of speculation.
4171 (init_dependency_caches, free_dependency_caches):
4172 Handle spec_dependency_cache.
4173 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4174 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4175 New static functions.
4176 (add_or_update_back_dep, add_or_update_back_forw_dep,
4177 add_back_forw_dep, delete_back_forw_dep): New functions.
4178 * sched-int.h (ds_t, dw_t): New typedefs.
4179 (struct sched_info): Add new field flags.
4180 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4181 Prototype new sched-deps.c functions.
4182 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4183 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4184 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4185 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4186 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4187 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4189 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4191 * sched-rgn.c (current_sched_info): Initialize flags field.
4192 (schedule_insns): Initialize current_sched_info before the sched_init
4194 * sched-ebb.c (current_sched_info): Initialize flags field.
4195 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4196 Call add_or_update_back_dep instead of add_dependence.
4197 Create control speculative dependencies.
4198 (schedule_insns): Initialize current_sched_info before the sched_init
4201 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4203 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4205 (sh_fallback_frame_state): Likewise.
4207 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4209 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4210 Do switch on default_use_cxa_atexit.
4211 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4212 * config/darwin-crt3.o: New.
4213 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4214 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4215 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4217 * config/rs6000/t-darwin: Move crt2.o building to here.
4218 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4219 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4222 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4224 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4225 from '! xxx' to '!xxx' for coding-style conformance.
4226 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4227 (EXTRA_CONSTRAINT): Likewise.
4228 * config/vax/vax.md (four unnamed insns): Likewise.
4230 2006-03-15 Paul Brook <paul@codesourcery.com>
4232 * config/arm/arm.c (minipool_pad): New.
4233 (add_minipool_forward_ref): Include pool alignment padding in address
4235 (push_minipool_fix): Set minipool_pad.
4236 (minipool_pad): Ditto.
4238 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4240 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4241 instead of GET_CODE() == MEM and REG_P() instead of
4243 (print_operand_address): Likewise.
4244 (vax_address_cost): Likewise.
4245 (vax_rtx_costs): Likewise.
4246 (vax_notice_update_cc): Likewise.
4247 (vax_output_int_add): Likewise.
4248 (INDEX_REGISTER_P): Likewise.
4249 (BASE_REGISTER_P): Likewise.
4250 (nonindexed_address_p): Likewise.
4251 (vax_mode_dependent_address_p): Likewise.
4252 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4253 (PRINT_OPERAND): Likewise.
4254 * config/vax/vax.md (ashlsi3): Likewise.
4255 (ashlsi3): Likewise.
4256 (some more unnamed insns): Likewise.
4258 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4260 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4261 iterator-style macro.
4262 (mark_control_dependent_edges_necessary): Update the use of
4263 EXECUTE_IF_CONTROL_DEPENDENT.
4265 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4267 * config/sh/predicates.md (cache_address_operand): Special.
4268 (ua_address_operand): Likewise.
4270 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4272 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4274 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4276 2006-03-15 Andreas Schwab <schwab@suse.de>
4278 * gensupport.c (identify_predicable_attribute): Don't free p_false
4279 when it is still in use.
4281 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4283 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4284 the default setting here.
4286 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4288 * tree-pass.h (pass_cfg): Remove.
4289 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4290 * passes.c (pass_cfg): Don't run it.
4292 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4294 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4295 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4297 (stack_regs_mentioned): Update the uses of
4298 stack_regs_mentioned_data. Don't access the array beyond its
4300 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4301 Don't include gt-reg-stack.h.
4303 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4304 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4306 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4309 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4312 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4314 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4316 2006-03-14 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/26672
4319 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4322 2006-03-14 Richard Guenther <rguenther@suse.de>
4324 PR tree-optimization/26667
4325 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4326 node for the callees. Always allow inlining if it will shrink
4329 2006-03-14 Richard Guenther <rguenther@suse.de>
4332 * builtins.c (get_pointer_alignment): Prefer alignment
4333 information from decls over that from types.
4335 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4338 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4340 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4342 * config/rs6000/rs6000.opt (mdlmzb): New option.
4343 (msched-prolog, msched-epilog): Use Var not Mask.
4344 * doc/invoke.texi (-mdlmzb): Document.
4345 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4347 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4348 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4350 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4352 PR rtl-optimization/25739
4353 * bt-load.c (augment_live_range): Free tos pointer.
4355 * gensupport.c (identify_predicable_attribute): Free
4357 * gcov.c (create_file_names): Free name pointer.
4359 2006-03-13 Roger Sayle <roger@eyesopen.com>
4362 * stmt.c (emit_case_nodes): Handle the case where the index is a
4363 CONST_INT, where the comparison mode is specified by the index type.
4365 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4367 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4370 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4372 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4373 (*branch_fp_inverted): Likewise.
4375 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4378 * omp-low.c (expand_omp_for_generic): Mark istart0
4379 and iend0 as addressable.
4381 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4383 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4385 2006-03-13 Jeff Law <law@redhat.com>
4387 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4388 virtual operands are interesting.
4389 (vrp_visit_stmt): Corresponding changes.
4391 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4393 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4395 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4396 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4397 * config/bfin/crti.S: Use it instead of __PIC__.
4398 * config/bfin/crtn.S: Likewise.
4400 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4401 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4403 Lose 'G' modifier for call operand.
4404 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4405 recognize 'G' modifier.
4407 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4410 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4411 * stmt.c (expand_case): Likewise.
4413 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4415 PR rtl-optimization/26254
4416 * loop-invariant.c (seq_insns_valid_p): New function.
4417 (move_invariant_reg): Only emit new code if it is valid.
4419 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4421 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4423 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4424 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4425 (commit_one_edge_insertion): Do not look for loop notes.
4427 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4429 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4430 flag_test_coverage out of loop.
4432 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4434 * final.c (shorten_branches): Remove outdated comment, and turn
4435 the if branch that guards it to continue.
4437 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4439 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4440 * cfgloop.h (struct loop): Remove unused fields.
4442 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4444 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4445 (-dL, -fdump-rtl-loop2): Update the dump file names
4447 * doc/invoke.texi: Update dump file names.
4449 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4451 * predict.c (estimate_probability): Remove.
4452 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4453 * basic-block.h (estimate_probability): Remove prototype.
4454 * passes.c (finish_optimization_passes): Dump branch prediction or
4455 profiling heuristics to the .profile tree dump.
4456 (init_optimization_passes): Unqueue pass_branch_prob.
4458 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4460 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4462 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4463 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4465 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4467 * function.h (frame_offset_overflow): Declare.
4468 * function.c (frame_offset_overflow): New function.
4469 (assign_stack_local_1): Call it to detect that the offset overflows.
4470 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4472 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4474 * config/sh/sh.c: Include alloc-pool.h.
4475 (label_ref_list_pool): New alloc pool.
4476 (label_ref_list_t): New type for lists of labels.
4477 (struct pool_node): Make wend a label_ref_list_t.
4478 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4480 (dump_table): Likewise.
4481 (sh_reorg): Set up the alloc pool before using add_constant and
4482 dump_table, and destroy it when finishing.
4484 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4486 * config/mips/mips.c: Remove redundant comment.
4488 2006-03-10 Jason Merrill <jason@redhat.com>
4491 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4492 the target was declared 'register'.
4494 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4496 * genpreds.c (write_insn_constraint_len): Change definition of
4497 insn_constraint_len to return size_t to match the declaration.
4499 2006-03-10 DJ Delorie <dj@redhat.com>
4501 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4503 (m32c_expand_insv): Fix test for an AND mask.
4505 2006-03-10 Richard Guenther <rguenther@suse.de>
4508 * builtins.c (get_pointer_alignment): Handle component
4509 references for field alignment.
4511 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4513 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4514 when building with libgloss.
4515 (sh*elf): Implement --without-fp option.
4516 (sh64-superh-linux*): Don't multilib.
4518 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4520 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4522 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4524 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4525 Set it when one of the replacement functions returned true.
4526 Return TODO_cleanup_cfg if cfgchanged is true.
4527 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4529 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4531 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4532 instead of gen_lowpart.
4534 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4536 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4538 (mips_output_order_conditional_branch): Declare.
4539 * config/mips/mips.h (MIPS_BRANCH): New macro.
4540 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4541 for the comparison. Use gen_condjump.
4542 (mips_output_conditional_branch): Rework interface to take the
4543 asm templates for a direct branch and the inverse of a direct branch.
4544 (mips_output_order_conditional_branch): New function.
4545 (mips_builtin_branch_and_move): New function.
4546 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4547 branch condition. Use gen_single_cc as the condition for
4548 __builtin_mips_upper_* or __builtin_mips_lower_*.
4549 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4550 Use VOIDmode for the branch condition.
4551 * config/mips/predicates.md (order_operator): New predicate.
4552 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4553 (branch_fp): Rename to...
4554 (*branch_fp): ...this. Remove mode from comparison operator.
4555 Use new mips_output_conditional_branch interface.
4556 (branch_fp_inverted): Rename to...
4557 (*branch_fp_inverted): ...this and update as for *branch_fp.
4558 (*branch_zero<mode>): Rename to...
4559 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4560 Use mips_output_order_conditional_branch. Only accept ordered
4562 (*branch_zero<mode>_inverted): Rename to...
4563 (*branch_order<mode>_inverted): ...this and update as for
4564 *branch_order<mode>.
4565 (*branch_equality<mode>): Accept zero as the second operand to
4566 the equality operator. Use the new mips_output_conditional_branch
4568 (*branch_equality<mode>_inverted): Likewise.
4569 (condjump): New expander.
4570 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4572 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4573 (bc1any2t, bc1any2f): Likewise.
4574 (single_cc): New expander.
4575 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4577 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4579 * doc/md.texi: Update documentation of MIPS constraints.
4580 * config/mips/constraints.md: New file.
4581 * config/mips/mips.md: Include it.
4582 * config/mips/mips.c (mips_char_to_class): Delete.
4583 (override_options): Don't initialize mips_char_to_class.
4584 * config/mips/mips.h (mips_char_to_class): Delete.
4585 (REG_CLASS_FROM_LETTER): Delete.
4586 (CONST_OK_FOR_LETTER_P): Delete.
4587 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4588 (EXTRA_CONSTRAINT_Y): Delete.
4589 (EXTRA_CONSTRAINT_STR): Delete.
4590 (CONSTRAINT_LEN): Delete.
4591 (EXTRA_MEMORY_CONSTRAINT): Delete.
4593 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4595 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4596 original fn's eh regions.
4598 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4600 * fold-const.c (build_range_check): Make sure to use a valid type to
4601 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4604 (range_predecessor): New static function.
4605 (range_successor): Likewise.
4606 (merge_ranges): Use them to compute predecessors and successors of
4609 2006-03-09 Roger Sayle <roger@eyesopen.com>
4612 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4613 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4615 2006-03-08 DJ Delorie <dj@redhat.com>
4617 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4618 (addpsi3): Expand to include memory operands. Remove
4619 reload-specific splits.
4620 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4621 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4622 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4623 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4624 (shift1_qi, shift1_hi, insv): New.
4625 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4626 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4627 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4629 * config/m32c/m32c-protos.h: Update as needed.
4630 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4631 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4632 Fail for unrecognized R* constraints.
4633 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4634 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4635 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4637 (m32c_init_libfuncs): New.
4638 (m32c_legitimate_address_p): Add debug wrapper.
4639 (m32c_rtx_costs): New.
4640 (m32c_address_cost): New.
4641 (conversions): Add 'B' prefix.
4642 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4643 operands, or word regnames for QI operands. 'B' prints bit
4645 (m32c_expand_setmemhi): New.
4646 (m32c_expand_movmemhi): New.
4647 (m32c_expand_movstr): New.
4648 (m32c_expand_cmpstr): New.
4649 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4650 (m32c_expand_neg_mulpsi3): Handle non-ints.
4651 (m32c_cmp_flg_0): New.
4652 (m32c_expand_movcc): New.
4653 (m32c_expand_insv): New.
4654 (m32c_scc_pattern): New.
4655 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4656 a0/a1 out of SIregs.
4657 (STORE_FLAG_VALUE): New.
4658 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4661 * config/m32c/mov.md: Make constraints more liberal.
4662 (zero_extendqihi2): Optimize r0/r1 case.
4663 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4664 * config/m32c/predicates.md (m32c_any_operand): New.
4665 (m32c_nonimmediate_operand): New.
4666 (m32c_hl_operand): New.
4667 (m32c_r3_operand): New.
4670 (memsym_operand): New.
4671 (memimmed_operand): New.
4672 (a_qi_operand): New.
4673 (m32c_eqne_operator): New.
4674 (m32c_1bit8_operand): New.
4675 (m32c_1bit16_operand): New.
4676 (m32c_1mask8_operand): New.
4677 (m32c_1mask16_operand): New.
4678 * config/m32c/blkmov.md: New file.
4679 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4681 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4683 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4684 unsigned to fix signed/unsigned comparison issue in
4685 DWARF2_FRAME_REG_OUT.
4686 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4687 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4689 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4690 of ptr into the ENABLE_CHECKING section.
4692 2006-03-08 Jeff Law <law@redhat.com>
4694 * tree-vrp.c (infer_value_range): Only count pointer uses
4695 and dereferences if -fdelete-null-pointer-checks is enabled.
4697 * tree-vrp.c (find_assert_locations): Infer value ranges for
4698 single use pointers, but do not create ASSERT_EXPRs for them.
4699 When a non-null range is inferred for a pointer, backwards
4700 propagate that range to other equivalent pointers through the
4703 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4706 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4707 language hook targets.
4708 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4709 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4710 if language hook targets were missing.
4712 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4714 * tree-ssa-opfinalize.h: Removed.
4715 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4717 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4718 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4719 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4720 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4721 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4722 finalize_ssa_v_must_def_ops): New.
4724 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4726 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4729 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4731 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4733 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4734 addresses with offsets; reorganize.
4736 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4737 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4738 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4740 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4743 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4745 2006-03-08 Ben Elliston <bje@au.ibm.com>
4747 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4749 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4752 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4755 2006-03-07 Richard Guenther <rguenther@suse.de>
4757 PR tree-optimization/26587
4758 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4760 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4762 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4764 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4766 * hooks.c (hook_bool_mode_rtx_true): New function.
4767 * hooks.h (hook_bool_mode_rtx_true): Declare.
4768 * toplev.c (compile_file): Call output_shared_constant_pool.
4769 * varasm.c (shared_constant_pool): New variable.
4770 (assemble_start_function, assemble_end_function): Remove arguments
4771 from call to output_constant_pool.
4772 (create_constant_pool): New function, split out from...
4773 (init_varasm_status): ...here.
4774 (force_const_mem): Choose between the shared and per-function constant
4775 pools. Set current_function_uses_const_pool when reusing old entries
4776 as well as when creating new ones.
4777 (mark_constant): Ignore data argument.
4778 (mark_constants): Remove pool argument.
4779 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4780 to decide whether the function uses a constant pool.
4781 (output_constant_pool_contents): New function, split out from...
4782 (output_constant_pool): ...here.
4783 (output_shared_constant_pool): New function.
4784 (init_varasm_once): Initialize shared_constant_pool.
4785 * output.h (output_constant_pool): Delete.
4786 (output_shared_constant_pool): Declare.
4787 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4788 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4790 2006-03-06 Nick Clifton <nickc@redhat.com>
4792 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4793 flag_strength_reduce.
4795 2006-03-06 Ben Elliston <bje@au.ibm.com>
4797 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4798 x86_64-*-linux* configurations.
4800 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4801 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4803 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4805 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4807 * basic-block.h: Remove the extern for
4808 rediscover_loops_after_threading.
4810 * cfgloop.c (cancel_loop): Make it static.
4811 * cfgloop.h: Remove the prototype for cancel_loop.
4813 * flow.c (recompute_reg_usage): Make it static.
4814 * rtl.h: Remove the prototype for recompute_reg_usage.
4816 * function.c (use_return_register): Make it static.
4817 * function.h: Remove the prototype.
4819 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4821 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4823 * recog.h: Remove the prototype for
4824 validate_change_maybe_volatile.
4826 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4828 * rtlanal.c (replace_reg): Remove.
4829 * rtl.h: Remove the prototype for replace_reg.
4831 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4833 * regclass.c (reg_scan_update): Remove.
4834 (reg_scan_mark_refs): Remove the last argument.
4835 * rtl.h: Remove the prototype for reg_scan_update.
4837 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4839 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4840 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4841 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4842 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4843 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4844 loop-invariant.c, omp-low.c, opts.c, passes.c,
4845 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4846 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4847 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4848 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4849 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4850 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4852 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4854 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4855 * dwarf2out.h: Remove the prototype for
4856 dwarf2out_add_library_unit_info.
4858 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4860 * tree.c (add_var_to_bind_expr): Remove.
4861 * tree.h: Remove the prototype for add_var_to_bind_expr.
4863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4865 * regclass.c (n_non_fixed_regs): Remove.
4866 (init_reg_sets_1, globalize_reg): Remove all uses of
4868 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4872 * rtlanal.c (insns_safe_to_move_p): Remove.
4873 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4877 * expmed.c (expand_mult_add): Remove.
4878 * expr.h: Remove the prototype for expand_mult_add.
4880 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4882 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4883 and REG_SAVED_VAL_EXP constants.
4884 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4885 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4886 Handle regs stored by value.
4887 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4888 (execute_cfa_program): Handle DW_CFA_val_offset,
4889 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4890 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4891 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4892 (uw_install_context_1): Handle target regs stored by value.
4894 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4896 * tree-sra.c (tree_sra): Return todoflags;
4897 (generate_one_element): Set TODO_update_smt_usage if needed.
4898 (pass_sra): Remove TODO_update_smt_usage.
4899 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4901 (tree_ssa_forward_propagate_single_use_vars): Return
4902 TODO_update_smt_usage if we need to update SMT usage.
4903 (pass_forwprop): Remove TODO_update_smt_usage.
4905 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4907 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4908 (correct_use_link): Remove reference to get_stmt_operands.
4909 (update_stmt_operands): Likewise.
4910 (get_modify_expr_operands): New function factored out of
4911 parse_ssa_operands and get_expr_operands.
4912 Try to create V_MUST_DEFs for LHS by default.
4913 (get_expr_operands) <case MODIFY_EXPR>: Call
4914 get_modify_expr_operands.
4915 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4916 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4917 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4918 get_modify_expr_operands.
4920 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4922 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4923 * tree-flow.h: Remove the prototype for
4924 referenced_var_lookup_if_exists.
4926 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4928 PR rtl-optimization/26345
4930 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4932 2006-03-03 Roger Sayle <roger@eyesopen.com>
4934 PR tree-optimization/26524
4935 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4936 fold_convert to create a constant of the appropriate type.
4938 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4940 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4941 SYMBOL_REF_IN_BLOCK_P.
4942 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4943 of SYMBOL_FLAG_IN_BLOCK.
4944 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4945 instead of SYMBOL_REF_IN_BLOCK_P.
4946 * explow.c (use_anchored_address): Likewise.
4947 * rtl.c (rtx_size): Likewise.
4948 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4949 instead of SYMBOL_FLAG_IN_BLOCK.
4950 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4951 SYMBOL_REF_IN_BLOCK_P.
4952 (assemble_variable): Likewise.
4953 (output_constant_def_contents): Likewise.
4954 (output_constant_pool): Likewise.
4955 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4956 instead of SYMBOL_FLAG_IN_BLOCK.
4957 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4958 SYMBOL_REF_IN_BLOCK_P.
4959 (SYMBOL_REF_BLOCK): Likewise.
4960 (SYMBOL_REF_OFFSET): Likewise.
4961 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4962 SYMBOL_REF_IN_BLOCK_P.
4963 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4964 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4965 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4966 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4968 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4970 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4972 2006-03-02 Roger Sayle <roger@eyesopen.com>
4974 * simplify-rtx.c (simplify_unary_operation): When simplifying
4975 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4976 that we perform the right shift in the appropriate mode, and
4977 then extend or truncate the result to requested mode.
4979 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4981 * gengtype.c (main): Handle double_int type.
4982 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4983 * double-int.c: New file.
4984 * double-int.h: New file.
4985 * system.h: Include doubleint.h.
4986 * Makefile.in (SYSTEM_H): Include double-int.h.
4987 (double-int.o): Add.
4989 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4992 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4995 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4997 * tree-vrp.c (remove_range_assertions): Do not update statements
5000 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5002 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5004 * gcse.c (rest_of_handle_gcse): Ditto.
5005 * except.c (gate_handle_eh): Ditto.
5006 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5007 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5009 2006-03-02 Eric Christopher <echristo@apple.com>
5011 * config/i386/i386.c (machopic_output_stub): Add indirection to
5014 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5018 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5020 Sun Niagara specific optimizations.
5021 * config.gcc: Recognize niagara as target.
5022 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5023 (TARGET_CPU_niagara): Define.
5024 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5025 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5026 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5027 (ASM_CPU_SPEC): Likewise.
5028 (PROCESSOR_NIAGARA): New enum entry.
5029 (REGISTER_MOVE_COST): Handle Niagara.
5030 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5031 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5032 (sparc_override_options): Recognize "niagara", set appropriate
5033 default MASK_* values for it, and align functions to 32-bytes
5034 by default just like ULTRASPARC/ULTRASPARC3.
5035 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5036 (sparc64_initialize_trampoline): Likewise.
5037 (sparc_use_sched_lookahead): Use zero for niagara.
5038 (sparc_issue_rate): Use one for niagara.
5039 * config/sparc/niagara.md: New file.
5040 * config/sparc/sparc.md: Include it.
5041 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5042 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5043 when default cpu is niagara.
5044 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5045 (ASM_CPU_SPEC): Likewise.
5046 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5047 when default cpu is niagara.
5048 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5049 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5050 just like v9/ultrasparc/ultrasparc3.
5051 * doc/invoke.texi: Add documentation for "niagara" and improve
5052 existing documentation for ultrasparc variants.
5054 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5056 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5058 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5060 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5061 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5062 and say that only one is needed.
5063 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5064 * target.h (have_switchable_bss_sections): New hook.
5065 * explow.c (use_anchored_address): Check that the symbol is in a block.
5066 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5067 (bss_noswitch_section): New variables.
5068 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5069 (get_noswitch_section): New function.
5070 (get_block_for_section): Allow SECT to be null.
5071 (unlikely_text_section_p): Use SECTION_STYLE.
5072 (bss_initializer_p): New function.
5073 (get_variable_section): Move earlier in file. Take a new argument,
5074 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5075 Return one of the new *_sections in such cases.
5076 (get_block_for_decl): New function, extracting some logic from
5077 use_blocks_for_decl_p.
5078 (change_symbol_section): Remove in favor of...
5079 (change_symbol_block): ...this new function.
5080 (use_blocks_for_decl_p): Remove checks now performed by
5082 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5083 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5084 (emit_local, emit_bss, emit_common): ...these new functions.
5085 Return true if the alignment was honored.
5086 (emit_tls_common): New function.
5087 (asm_emit_uninitialised): Delete.
5088 (assemble_variable_noswitch): New function, split out from...
5089 (assemble_variable): ...here. Don't make decisions about common
5090 variables here. Globalize all public decls that go into non-common
5091 sections. Check whether SYMBOL_REF_BLOCK is null.
5092 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5093 (output_constant_pool): Likewise.
5094 (init_varasm_once): Initialize the new section variables.
5095 (have_global_bss_p): New function.
5096 (categorize_decl_for_section): Use bss_initializer_p.
5097 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5098 (place_block_symbol): Assert that the symbol must be in a block.
5099 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5100 (TARGET_INITIALIZER): Include it.
5101 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5102 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5103 (SECTION_MACH_DEP): Bump by two.
5104 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5105 (unnamed_section): Mention SECTION_UNNAMED in comment.
5106 (named_section): Likewise SECTION_NAMED.
5107 (noswitch_section_callback): New type.
5108 (noswitch_section): New structure.
5109 (section): Add a noswitch_section alternative.
5110 (SECTION_STYLE): New macro.
5111 (tls_comm_section, comm_section, lcomm_section): Declare.
5112 (bss_noswitch_section, have_global_bss_p): Declare.
5113 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5114 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5116 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5117 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5120 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5122 * tree-vrp.c (execute_vrp): Return value.
5123 * regrename.c (rest_of_handle_regrename): Ditto.
5124 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5125 * tree-complex.c (tree_lower_complex): Ditto.
5126 (tree_lower_complex_O0): Ditto.
5127 * tracer.c (rest_of_handle_tracer): Ditto.
5128 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5129 * postreload.c (rest_of_handle_postreload): Ditto.
5130 * tree-tailcall.c (execute_tail_recursion): Ditto.
5131 (execute_tail_calls): Ditto.
5132 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5133 * tree.h (init_function_for_compilation): Ditto.
5134 * ipa-cp.c (ipcp_driver): Ditto.
5135 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5136 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5137 * final.c (compute_alignments): Ditto.
5138 (rest_of_handle_final): Ditto.
5139 (rest_of_handle_shorten_branches): Ditto.
5140 (rest_of_clean_state): Ditto.
5141 * omp-low.c (execute_expand_omp): Ditto.
5142 (execute_lower_omp): Ditto.
5143 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5144 * ipa-reference.c (static_execute): Ditto.
5145 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5146 * reorg.c (rest_of_handle_delay_slots): Ditto.
5147 (rest_of_handle_machine_reorg): Ditto.
5148 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5149 * flow.c (recompute_reg_usage): Ditto.
5150 (rest_of_handle_remove_death_notes): Ditto.
5151 (rest_of_handle_life): Ditto.
5152 (rest_of_handle_flow2): Ditto.
5153 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5154 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5155 (do_ssa_store_ccp): Ditto.
5156 (execute_fold_all_builtins): Ditto.
5157 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5158 * modulo-sched.c (rest_of_handle_sms): Ditto.
5159 * ipa-pure-const.c (static_execute): Ditto.
5160 * cse.c (rest_of_handle_cse): Ditto.
5161 (rest_of_handle_cse2): Ditto.
5162 * web.c (rest_of_handle_web): Ditto.
5163 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5164 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5165 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5166 * tree-nrv.c (tree_nrv): Ditto.
5167 (execute_return_slot_opt): Ditto.
5168 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5169 (create_structure_vars): Ditto.
5170 * loop-init.c (rtl_loop_init): Ditto.
5171 (rtl_loop_done): Ditto.
5172 (rtl_move_loop_invariants): Ditto.
5173 (rtl_unswitch): Ditto.
5174 (rtl_unroll_and_peel_loops): Ditto.
5175 (rtl_doloop): Ditto.
5176 * gimple-low.c (lower_function_body): Ditto.
5177 (mark_used_blocks): Ditto.
5178 * tree-ssa-sink.c (execute_sink_code): Ditto.
5179 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5180 (cgraph_early_inlining): Ditto.
5181 * global.c (rest_of_handle_global_alloc): Ditto.
5182 * jump.c (cleanup_barriers): Ditto.
5183 (purge_line_number_notes): Ditto.
5184 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5185 (rest_of_handle_if_after_reload): Ditto.
5186 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5187 (tree_ssa_loop_im): Ditto.
5188 (tree_ssa_loop_unswitch): Ditto.
5189 (tree_vectorize): Ditto.
5190 (tree_linear_transform): Ditto.
5191 (tree_ssa_loop_ivcanon): Ditto.
5192 (tree_ssa_empty_loop): Ditto.
5193 (tree_ssa_loop_bounds): Ditto.
5194 (tree_complete_unroll): Ditto.
5195 (tree_ssa_loop_prefetch): Ditto.
5196 (tree_ssa_loop_ivopts): Ditto.
5197 (tree_ssa_loop_done): Ditto.
5198 * predict.c (tree_estimate_probability): Ditto.
5199 * recog.c (split_all_insns_noflow): Ditto.
5200 (rest_of_handle_peephole2): Ditto.
5201 (rest_of_handle_split_all_insns): Ditto.
5202 * tree-eh.c (lower_eh_constructs): Ditto.
5203 * regmove.c (rest_of_handle_regmove): Ditto.
5204 (rest_of_handle_stack_adjustments): Ditto.
5205 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5206 * function.c (instantiate_virtual_regs): Ditto.
5207 (init_function_for_compilation): Ditto.
5208 (rest_of_handle_check_leaf_regs): Ditto.
5209 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5210 (rest_of_handle_gcse): Ditto.
5211 * ipa-type-escape.c (type_escape_execute): Ditto.
5212 * alias.c (rest_of_handle_cfg): Ditto.
5213 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5214 * profile.c (rest_of_handle_branch_prob): Ditto.
5215 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5216 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5217 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5218 * tree-dfa.c (find_referenced_vars): Ditto.
5219 * except.c (set_nothrow_function_flags): Ditto.
5220 (convert_to_eh_region_ranges): Ditto.
5221 (rest_of_handle_eh): Ditto.
5222 * emit-rtl.c (unshare_all_rtl): Ditto.
5223 (remove_unnecessary_notes): Ditto.
5224 * except.h (set_nothrow_function_flags): Ditto.
5225 (convert_to_eh_region_ranges): Ditto.
5226 * cfgexpand.c (tree_expand_cfg): Ditto.
5227 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5228 * tree-ssa-pre.c (do_pre): Ditto.
5229 (execute_fre): Ditto.
5230 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5231 (rest_of_handle_jump2): Ditto.
5232 * tree-sra.c (tree_sra): Ditto.
5233 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5234 (execute_mudflap_function_decls): Ditto.
5235 * tree-ssa-copy.c (do_copy_prop): Ditto.
5236 (do_store_copy_prop): Ditto.
5237 * ipa-prop.h (ipcp_driver): Ditto.
5238 * cfglayout.c (insn_locators_initialize): Ditto.
5239 * tree-ssa-forwprop.c
5240 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5241 * cfglayout.h (insn_locators_initialize): Ditto.
5242 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5243 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5244 (execute_late_warn_uninitialized): Ditto.
5245 * rtl.h (cleanup_barriers): Ditto.
5246 (split_all_insns_noflow): Ditto.
5247 (purge_line_number_notes): Ditto.
5248 (unshare_all_rtl): Ditto.
5249 (remove_unnecessary_notes): Ditto.
5250 (recompute_reg_usage): Ditto.
5251 (variable_tracking_main): Ditto.
5252 * integrate.c (emit_initial_value_sets): Ditto.
5253 * integrate.h (emit_initial_value_sets): Ditto.
5254 * tree-optimize.c (execute_free_datastructures): Ditto
5255 (execute_free_cfg_annotations): Ditto.
5256 (execute_fixup_cfg): Ditto.
5257 (execute_cleanup_cfg_pre_ipa): Ditto.
5258 (execute_cleanup_cfg_post_optimizing): Ditto.
5259 (execute_init_datastructures): Ditto.
5260 * tree-object-size.c (compute_object_sizes): Ditto.
5261 * combine.c (rest_of_handle_combine): Ditto.
5262 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5263 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5264 (rest_of_handle_reorder_blocks): Ditto.
5265 (rest_of_handle_partition_blocks): Ditto.
5266 * var-tracking.c (variable_tracking_main): Ditto.
5267 * tree-profile.c (tree_profiling): Ditto.
5268 * tree-vect-generic.c (expand_vector_operations): Ditto.
5269 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5270 * sched-rgn.c (rest_of_handle_sched): Ditto.
5271 (rest_of_handle_sched2): Ditto.
5272 * basic-block.h (free_bb_insn): Ditto.
5273 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5274 * tree-cfg.c (execute_build_cfg): Ditto.
5275 (remove_useless_stmts): Ditto.
5276 (split_critical_edges): Ditto.
5277 (execute_warn_function_return): Ditto.
5278 (execute_warn_function_noreturn): Ditto.
5279 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5280 * cfgrtl.c (free_bb_for_insn): Ditto.
5281 * passes.c (execute_one_pass): Run additional
5282 todos returned by execute function.
5283 * tree-pass.h (struct tree_opt_pass): Make execute
5286 2006-03-02 Richard Guenther <rguenther@suse.de>
5288 * tree-ssa-alias.c (find_used_portions): Consider taking
5289 the address as making the variable not write-only.
5291 2006-03-02 Nick Clifton <nickc@redhat.com>
5293 * config.gcc (default_use_cxa_atexit): Extend the description of
5294 this configure variable. Set its default value to "yes" for
5295 Linux, NetBSD and ELF targets on the assumption that they will
5296 use C libraries with the __cxa_atexit function.
5298 2006-03-02 Ben Elliston <bje@au.ibm.com>
5300 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5301 parameter as unused to suppress a build warning.
5303 2006-03-02 Ben Elliston <bje@au.ibm.com>
5305 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5308 2006-03-01 Roger Sayle <roger@eyesopen.com>
5311 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5312 declared name, the weak reference name, and the typeof name.
5313 (__gthrw): Avoid expanding the declared name suffix.
5314 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5316 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5318 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5320 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5321 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5322 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5323 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5324 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5325 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5326 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5327 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5328 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5329 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5330 (DW_END_default, DW_END_big, DW_END_little): New.
5331 (DW_END_lo_user, DW_END_hi_user): Define.
5332 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5333 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5334 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5337 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5339 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5341 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5343 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5345 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5347 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5348 to 'symbol_mem_tag'.
5350 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5353 2006-03-01 Roger Sayle <roger@eyesopen.com>
5355 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5357 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5360 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5361 MACHO_DYNAMIC_NO_PIC_P.
5362 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5364 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5367 * config/darwin-protos.h (darwin_asm_output_anchor):
5369 * config/darwin-sections.def (cstring_section):
5370 Add SECTION_MERGE to the flags.
5371 (literal4_section): Likewise.
5372 (literal8_section): Likewise.
5373 (objc_selector_refs_section): Likewise.
5374 (objc_cls_refs_section): Likewise.
5375 * config/darwin.c (darwin_asm_output_anchor): New
5377 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5379 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5381 Fix PR tree-optimization/26443
5382 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5383 to todo and PROP_tmt_usage to properties_destroyed.
5384 * tree-ssa-ccp.c (pass_ccp): Ditto.
5385 (pass_store_ccp): Ditto.
5386 * tree-ssa-dom.c (pass_dominator): Ditto.
5388 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5390 * tree-ssa-operands.c: Cleanup whitespace.
5391 (get_asm_expr_operands): Move before first invocation.
5392 (get_indirect_ref_operands): Likewise.
5393 (get_tmr_operands): Likewise.
5394 (get_call_expr_operands): Likewise.
5395 (append_def): Likewise.
5396 (append_use): Likewise.
5397 (append_v_may_def): Likewise.
5398 (append_v_must_def): Likewise.
5399 (add_call_clobber_ops): Likewise.
5400 (add_call_read_ops): Likewise.
5401 (add_stmt_operand): Likewise.
5402 (add_virtual_operand): Likewise.
5403 (build_ssa_operands): Likewise.
5405 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5410 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5411 with a call expr to ...
5412 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5414 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5416 * tree-vrp.c (extract_range_from_assert): Remove special
5417 handling for types with super-types.
5419 2006-03-01 Ben Elliston <bje@au.ibm.com>
5421 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5422 and powerpc64-*-linux* configurations.
5423 * config/t-dfprules: New file.
5425 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5426 Compile dfp-bit.c from the source directory using -DWIDTH and
5427 $DFP_CFLAGS to control the compilation of that file, rather than
5428 generating width-specific versions in the build directory.
5429 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5430 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5432 2006-02-28 Zack Weinberg <zackw@panix.com>
5434 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5437 2006-02-28 Eric Christopher <echristo@apple.com>
5439 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5440 Set up IN_LIBGCC definition of TARGET_64BIT.
5441 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5443 2006-02-28 Roger Sayle <roger@eyesopen.com>
5446 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5447 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5448 cases via the construction of "expr != 0".
5450 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5452 * alias.c (alias_invariant, alias_invariant_size): Remove.
5453 (record_base_value): Remove.
5454 (memrefs_conflict_p): Don't look at alias_invariant.
5455 (end_alias_analysis): Don't free it.
5456 * alias.h (record_base_value): Remove prototype.
5458 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5459 Adam Nemet <anemet@caviumnetworks.com>
5461 * rtl.h (truncated_to_mode): Declare it.
5462 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5463 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5464 (RTL_HOOKS_INITIALIZER): Include it.
5465 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5466 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5467 reg_truncated_to_mode.
5468 * rtlanal.c (truncated_to_mode): Define it.
5469 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5471 2006-02-28 Jeff Law <law@redhat.com>
5473 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5474 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5475 the range allowed by TYPE_PRECISION.
5477 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5479 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5481 PR tree-optimization/26419
5482 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5485 2006-02-27 Zack Weinberg <zackw@panix.com>
5487 * doc/md.texi: Fix typo in previous change.
5489 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5493 2006-02-27 Zack Weinberg <zackw@panix.com>
5495 * rtl.def (define_constraint, define_register_constraint)
5496 (define_memory_constraint, define_address_constraint): New MD forms.
5497 * gensupport.c (process_rtx): Put define_constraint etc on the
5499 * genpreds.c (process_define_predicate): Adjust comment. Validate
5500 the name, and call validate_exp to validate the expression.
5501 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5502 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5503 all callers changed.
5504 (validate_exp, needs_variable, struct constraint_data)
5505 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5506 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5507 (const_dbl_constraints, constraint_max_namelen)
5508 (have_register_constraints, have_memory_constraints)
5509 (have_address_constraints, have_address_constraints)
5510 (have_extra_constraints, have_const_int_constraints)
5511 (have_const_dbl_constraints, mangle, add_constraint)
5512 (process_define_constraint, process_define_register_constraint)
5513 (write_enum_constraint_num, write_lookup_constraint)
5514 (write_insn_constraint_len, write_regclass_for_constraint)
5515 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5516 (write_insn_extra_memory_constraint)
5517 (write_insn_extra_address_constraint)
5518 (write_satisfies_constraint_fns): New.
5519 (write_tm_preds_h): If we have new-style constraint definitions,
5520 prototype the functions generated from them, and define the
5521 old constraint interface (still used by generic code) in terms of
5523 (write_insn_preds_c): If we have new-style constraint definitions,
5524 generate all relevant functions from those definitions.
5525 (main): Handle define_constraint etc.
5526 * genoutput.c (struct constraint_data, indep_constraints)
5527 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5528 (mdep_constraint_len): New data structures and functions, defined
5529 #ifdef USE_MD_CONSTRAINTS.
5530 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5531 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5532 use new logic to validate operand constraints against constraint
5534 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5536 * defaults.h: If none of the old-style constraint macros are
5537 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5538 old-style macros; and poison REG_CLASS_FROM_LETTER,
5539 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5541 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5542 * doc/md.texi: Document new constraint-definition mechanism and the
5543 C interface it provides. Remove references to old mechanism
5544 elsewhere in the document.
5545 (Machine Constraints): Use pathnames relative to gcc directory,
5546 i.e. config/ARCH/FILE. Change i386 section to refer to
5547 config/i386/predicates.md; update that section to match docstrings.
5548 * doc/tm.texi: Move all documentation of the old constraint-
5549 definition macros to their own section, clearly mark as obsolete.
5551 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5552 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5554 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5555 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5556 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5558 (splits and peepholes): Use satisfies_constraint_*.
5559 * config/i386/i386.c (memory_address_length)
5560 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5562 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5564 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5565 scalar operation to be put back into the loop.
5567 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5570 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5571 (extract_cie_info): Handle S flag in augmentation string.
5572 (execute_cfa_program): If context->signal_frame, execute also
5573 fs->pc == context->ra instructions.
5574 (uw_frame_state_for): If context->signal_frame, don't subtract one
5575 from context->ra to find FDE.
5576 (uw_update_context_1): Set context->signal_frame to
5578 (_Unwind_GetIPInfo): New function.
5579 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5580 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5582 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5583 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5584 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5585 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5586 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5587 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5588 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5589 x86_64_fallback_frame_state): Set fs->signal_frame.
5590 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5591 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5592 (frob_update_context): Likewise. Workaround missing S flag in
5593 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5594 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5595 Remove the psw_addr + 1 hack.
5597 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5599 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5600 with aggregates here.
5601 (find_func_aliases): Remove code for &<aggregate> from here.
5603 2006-02-26 Roger Sayle <roger@eyesopen.com>
5605 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5606 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5607 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5610 2006-02-26 Roger Sayle <roger@eyesopen.com>
5613 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5615 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5617 * opts.c (decode_options): Do not handle flag_strength_reduce.
5618 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5619 and OPT_fstrength_reduce.
5620 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5621 flag_prefetch_loop_arrays for being nonzero.
5622 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5624 (fprefetch-loop-arrays-rtl): Removed.
5625 (flag_prefetch_loop_arrays): Do not specify the value.
5627 * doc/passes.texi: Update documentation of loop optimizer
5629 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5630 -frerun-loop-opt): Remove.
5632 2006-02-26 Richard Guenther <rguenther@suse.de>
5634 PR tree-optimization/26421
5635 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5636 in function calls that are ADDR_EXPRs as using the whole structure.
5638 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5640 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5641 * tree-pass.h (pass_loop_optimize): Remove.
5642 * passes.c (pass_loop_optimize): Never run it.
5643 * toplev.c (backend_init): Don't call init_loop.
5644 * opts.c (flag_loop_optimize_set): Remove.
5645 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5646 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5647 the old RTL loop optimizer when profiling enabled.
5648 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5649 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5650 pre-headers for the sake of the old RTL loop optimizer.
5651 * Makefile.in: Remove all references to loop.o.
5653 * doc/invoke.texi: Remove all references to -floop-optimize
5654 and -frerun-loop-opt.
5656 2006-02-26 Zack Weinberg <zackw@panix.com>
5658 * doc/md.texi (Machine Constraints): Refer to all files with paths
5659 relative to gcc directory (i.e. config/CPU/file). Add missing
5660 @table @code ... @end table to M32C subsection.
5662 2006-02-26 Roger Sayle <roger@eyesopen.com>
5664 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5666 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5668 2006-02-26 Roger Sayle <roger@eyesopen.com>
5669 James A. Morrison <phython@gcc.gnu.org>
5672 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5673 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5674 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5675 signedness of the shift operation.
5677 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5679 PR tree-optimization/26359
5680 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5682 2006-02-25 Roger Sayle <roger@eyesopen.com>
5684 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5685 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5686 as X == 0, and some symmetry related transformations.
5687 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5689 2006-02-25 Roger Sayle <roger@eyesopen.com>
5692 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5693 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5694 symmetry related transformations. Fold (X^C1) == C2 as
5697 2006-02-25 Juergen Weigert <jw@suse.de>
5698 Richard Guenther <rguenther@suse.de>
5700 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5702 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5704 * combine.c (gen_lowpart_or_truncate): Call
5705 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5707 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5709 * doc/invoke.texi: Move -fopenmp description to "Options for
5711 Remove reference to -lgomp.
5713 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5715 * doc/install.texi: Require GNU tar version 1.14.
5717 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5719 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5720 * doc/invoke.texi (C++ Dialect Options): Document
5721 -fno-use-cxa-get-exception-ptr.
5722 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5723 * configure: Regenerate.
5724 * c.opt (fuse-cxa-get-exception-ptr): New.
5725 * c-opts.c (c_common_handle_option): Handle
5726 OPT_fuse_cxa_get_exception_ptr.
5727 * c-common.c (flag_use_cxa_atexit): Update documentation.
5728 (flag_use_cxa_get_exception_ptr): New.
5729 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5730 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5732 (C_COMMON_OVERRIDE_OPTIONS): New.
5734 2006-02-24 Roger Sayle <roger@eyesopen.com>
5737 * combine.c (try_combine): Explicitly check whether GET_CODE is
5738 a SET or a CLOBBER, instead on checking that it isn't a USE.
5740 2006-02-24 Roger Sayle <roger@eyesopen.com>
5742 * fold-const.c (fold_comparison): New subroutine of fold_binary
5743 containing transformations common to both the equality and
5744 ordering relational operators, factored out of fold_binary.
5745 (fold_binary): Separate out the equality operators (EQ_EXPR
5746 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5747 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5748 transformations common to both.
5749 (fold_div_compare): Fix latent bugs in the previously unreachable
5750 LT_EXPR and GE_EXPR cases.
5752 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5754 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5755 decl libname for clog to __clog on AIX.
5757 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5759 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5762 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5763 output traceback table for thunks. Localise rs6000_stack_info call.
5765 2006-02-23 Roger Sayle <roger@eyesopen.com>
5766 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5768 * gthr-posix.h (__gthrw): Fix typo in comment.
5770 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5772 * doc/cpp.texi (Character sets): Document that we do support
5773 input files to be in any character set.
5775 2006-02-23 Jeff Law <law@redhat.com>
5777 * tree.h (PHI_ARG_NONZERO): Remove.
5778 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5779 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5780 node to the new node.
5782 PR tree-optimization/26425
5783 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5784 min/max, then assume its varying.
5786 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5788 PR rtl-optimization/26316
5789 * rtlanal.c (enum may_trap_p_flags): New.
5790 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5791 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5792 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5793 (may_trap_after_code_motion_p): New function.
5794 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5795 (find_invariant_insn): Use may_trap_after_code_motion_p.
5796 * rtl.h (may_trap_after_code_motion_p): Declare.
5798 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5800 * emit-rtl.c (immed_double_const): Cleanup.
5802 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5804 Fix PR tree-optimization/26376
5805 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5808 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5811 * gimplify.c (omp_add_variable): Guard variable size decl test with
5812 DECL_SIZE (decl) check.
5814 2006-02-23 Richard Guenther <rguenther@suse.de>
5817 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5818 like aggregate types.
5820 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5822 * configure.ac: Add --with{,out}-long-double-128 configure option.
5823 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5824 * configure: Rebuilt.
5825 * config.in: Rebuilt.
5826 * doc/install.texi (Options specification): Document
5827 --with-long-double-128.
5829 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5830 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5831 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5832 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5834 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5836 * config/s390/s390.c (override_options): Handle
5837 TARGET_DEFAULT_LONG_DOUBLE_128.
5839 * config/alpha/alpha.c (override_options): Handle
5840 TARGET_DEFAULT_LONG_DOUBLE_128.
5842 * config/sparc/sparc.c (sparc_override_options): Handle
5843 TARGET_DEFAULT_LONG_DOUBLE_128.
5845 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5847 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5848 (real-install-headers-tar, real-install-headers-cpio)
5849 (real-install-headers-cp): New targets.
5851 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5853 * tree.h (variable_section): Delete.
5854 * varasm.c (variable_section): Delete.
5856 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5858 * install.texi: Add notes on install.texi2html.
5859 (Building in parallel): Do not use footnotes.
5861 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5864 * doc/install.texi (Configuration): Document --disable-libgomp.
5866 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5868 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5870 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5872 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5873 (vec_extractv2df_0_sse): New.
5875 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5877 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5878 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5879 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5880 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5881 to the result of the expression.
5882 (def_cfa_1): Adjust.
5883 (frame_pointer_cfa_offset): Rename to...
5884 (frame_pointer_fb_offset): ... this. Adjust all uses.
5885 (convert_cfa_to_loc_list): Rename to...
5886 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5887 Pass it on to build_cfa_loc.
5888 (compute_frame_pointer_to_cfa_displacement): Rename to...
5889 (compute_frame_pointer_to_fb_displacement): ... this. New
5890 offset parameter. Use it in computation.
5891 (gen_subprogram_die): Compute cfa_fb_offset with the new
5892 macro, and use it to compute the fb loc list and the
5895 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5897 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5898 replaced with register_operand.
5899 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5900 non-DREG is expensive.
5901 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5902 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5905 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5907 * doc/install.texi2html: Use set -e.
5909 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5911 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5912 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5913 * doc/invoke.texi (-fshared-data): Delete.
5914 * common.opt (fshared-data): Delete.
5915 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5916 (assemble_static_space): Remove #if 0 code.
5917 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5918 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5919 * config/cris/cris.h: Remove FIXME.
5921 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5923 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5926 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5929 * combine.c (simplify_shift_const_1): Disable nested shifts
5930 optimization for vector shifts.
5932 2006-02-20 Roger Sayle <roger@eyesopen.com>
5934 PR tree-optimization/26361
5935 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5936 of unsigned integer types.
5938 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5940 * tree-chrec.c (eq_evolutions_p): New.
5941 * tree-chrec.h (eq_evolutions_p): Declared.
5942 * tree-data-ref.c: Fix formatting.
5943 (datadep_stats, dependence_stats): New.
5945 (print_direction_vector): New.
5946 (dump_data_dependence_relation): Use print_direction_vector.
5947 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5948 (compute_subscript_distance): Static.
5949 (initialize_data_dependence_relation): Static. Get the number
5950 of loops surrounding the references from the callers, and initialize
5951 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5952 base_object_differ_p analyzers.
5953 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5954 compute_overlap_steps_for_affine_1_2,
5955 analyze_subscript_affine_affine): Count the classified dependences.
5956 Print a message when a test failed.
5957 (can_use_analyze_subscript_affine_affine): New.
5958 (analyze_siv_subscript): Compute the data dependences on symbolic
5959 scevs that verify can_use_analyze_subscript_affine_affine.
5960 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5961 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5962 Handle symbolic scevs.
5963 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5965 (subscript_dependence_tester): Moved...
5966 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5967 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5968 DDR_SIZE_VECT instead of getting it in parameter.
5969 (subscript_dependence_tester): ... here. Take as a parameter
5970 loop_nest_depth. Call build_classic_dist_vector and
5971 build_classic_dir_vector.
5972 (compute_affine_dependence): Update subscript_dependence_tester
5973 parameters. Update datadep_stats counters. Call
5974 compute_subscript_distance.
5975 (compute_self_dependence): Save the dist and dir vectors. Call
5976 compute_subscript_distance.
5977 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5978 (compute_all_dependences): Reorder parameters as they were before
5979 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5980 compute_subscript_distance. Update the use of
5981 compute_affine_dependence and initialize_data_dependence_relation.
5982 (find_data_references_in_loop): Handle COMPONENT_REF.
5983 (compute_data_dependences_for_loop): Initialize dependence_stats.
5984 Don't call build_classic_dist_vector and build_classic_dir_vector.
5985 Update the parameters of initialize_data_dependence_relation and
5986 compute_all_dependences. Print the statistics from datadep_stats.
5987 (analyze_all_data_dependences): Static. Not used until the pass for
5988 checking the data dependences is contributed.
5989 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5990 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5991 (initialize_data_dependence_relation, compute_affine_dependence,
5992 analyze_all_data_dependences, compute_subscript_distance): Removed.
5993 (print_direction_vector): New.
5994 * lambda.h (gcd): ... here.
5995 (lambda_vector_gcd): Moved here from gcd_vector.
5996 * lambda-code.c (gcd, gcd_vector): Removed.
5997 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5998 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6000 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6002 * ipa-type-escape.c: Tidy some comments and white space.
6003 * tree-ssa-operands.c: Likewise.
6005 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6008 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6009 (dump_decl_name): Do not walk the decl tree chains.
6010 * tree-pass.h (TDF_CHAIN): Remove.
6012 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6014 * Makefile.in (C): Remove
6016 (.PHONY): Remove C and PROTO
6018 2006-02-20 Roger Sayle <roger@eyesopen.com>
6021 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6022 deprecated CHAR_TYPE tree code.
6024 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6026 * configure.ac (target_list): Add install-info, dvi, html.
6027 * configure: Regenerate.
6029 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6030 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6031 treelang/Make-lang.in: Do not use double-colon rules.
6033 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6035 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6036 (TMT_USED_ALONE): New macro.
6037 * tree-pass.h (PROP_tmt_usage): New property.
6038 (TODO_update_tmt_usage): New todo.
6039 * tree-ssa-alias.c (updating_used_alone): New variable.
6040 (recalculate_used_alone): New function.
6041 (compute_may_aliases): Set updating_used_alone, call
6042 recalculate_used_alone.
6043 * tree-sra.c (pass_sra): Note that this pass destroys
6044 PROP_tmt_usage, and add TODO_update_tmt_usage.
6045 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6046 * tree-flow.h (updating_used_alone): Prototype.
6047 (recalculate_used_alone): Ditto.
6048 * passes.c (execute_todo): Add code to set updating_used_alone,
6049 and call recalculate.
6050 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6051 for clobber if used alone, and add assert to verify used_alone
6054 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6056 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6057 for non tls symbols added.
6058 (legitimize_address): Do nothing for PLUS expressions if one of the
6059 addends is a tls symbol reference.
6061 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6065 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6067 * Makefile.in (BOOTSTRAPPING): New.
6068 (quickstrap): New definition if BOOTSTRAPPING=yes.
6070 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6071 * configure.ac: Substitute all_selected_languages with the languages
6072 that were configured. For all the other variables except
6073 lang_specs_files, include all the languages in the tree.
6074 * configure: Regenerate.
6076 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6077 if there is one. Run the commands to run fixincludes in the same
6080 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6081 * doc/install.texi: Document exact conventions for searching target tools.
6082 Document --with-build-time-tools. Document toplevel bootstrap. Document
6083 something more about building an Ada cross-compiler. Don't list GNU Make
6084 requirements which affect all platforms.
6086 2006-02-19 Roger Sayle <roger@eyesopen.com>
6089 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6090 only equivalent if the have both the same mode and precision.
6092 2006-02-20 Ben Elliston <bje@au.ibm.com>
6094 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6096 2006-02-19 Roger Sayle <roger@eyesopen.com>
6097 Steven Bosscher <stevenb.gcc@gmail.com>
6099 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6100 constant pool references to identify stack mode constants.
6101 * rtlanal.c (constant_pool_constant_p): New predicate to check
6102 whether operand is a floating point constant in the pool.
6103 * rtl.h (constant_pool_constant_p): Prototype here.
6104 * loop.c (scan_loop): Avoid hoisting constants from the constant
6105 pool on STACK_REGS targets.
6106 (load_mems): Likewise.
6107 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6108 loads into x87 registers expensive in terms of register pressure.
6110 2006-02-19 Roger Sayle <roger@eyesopen.com>
6112 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6113 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6115 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6117 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6118 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6120 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6122 * doc/invoke.texi: Document -fipa-pta.
6123 * common.opt: Add ipa-pta option.
6124 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6125 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6126 (do_ds_constraint): Ditto.
6127 (get_constraint_for): Only add to referenced_vars if
6128 referenced_vars exists.
6129 (insert_into_field_list): Rewrite to do this unsorted.
6130 (insert_into_field_list_sorted): Rename old insert_into_field_list
6132 (create_function_info_for): Use insert_into_field_list_sorted.
6133 (create_variable_info_for): Rewrite so it uses unsorted version,
6134 since the field list is sorted.
6135 (intra_create_variable_infos): Only add to referenced_vars if
6136 referenced_vars exists.
6137 (ipa_pta_execute): Init heapvars, and delete when done.
6138 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6140 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6142 * doc/install.texi: Add missing `@samp'.
6144 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6146 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6149 2006-02-18 Mark Wielaard <mark@klomp.org>
6151 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6152 who added new 4.1 features, bug fixes and integration support.
6154 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6157 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6160 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6162 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6163 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6164 (copy_insn_1): Likewise. Don't copy each field individually.
6166 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6168 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6169 * rtl.c (rtx_size): Rename variable to...
6170 (rtx_code_size): ...this.
6171 (rtx_size): New function.
6172 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6173 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6175 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6176 * rtl.h (rtx_code_size): New variable.
6177 (rtx_size): Change from a variable to a function.
6178 (RTX_SIZE): Rename to...
6179 (RTX_CODE_SIZE): ...this.
6182 PR tree-optimization/17106
6183 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6184 (Anchored Addresses): New section.
6185 * doc/invoke.texi (-fsection-anchors): Document.
6186 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6187 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6188 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6189 * hooks.c (hook_bool_mode_rtx_false): New function.
6190 * hooks.h (hook_bool_mode_rtx_false): Declare.
6191 * gengtype.c (create_optional_field): New function.
6192 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6193 SYMBOL_REF_IN_BLOCK_P is true.
6194 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6195 (min_anchor_offset, max_anchor_offset): Likewise.
6196 (use_anchors_for_symbol_p): New hook.
6197 * toplev.c (compile_file): Call output_object_blocks.
6198 (target_supports_section_anchors_p): New function.
6199 (process_options): Check that -fsection-anchors is only used on
6200 targets that support it and when -funit-at-a-time is in effect.
6201 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6202 if the decl doesn't have one.
6203 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6204 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6205 of force_const_mem through use_anchored_address.
6206 (expand_expr_constant): New function.
6207 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6208 calling expand_expr for INDIRECT_REF.
6209 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6210 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6211 * expr.h (use_anchored_address): Declare.
6212 * loop-unroll.c: Don't declare rtx vectors here.
6213 * explow.c: Include output.h.
6214 (validize_mem): Call use_anchored_address.
6215 (use_anchored_address): New function.
6216 * common.opt (-fsection-anchors): New switch.
6217 * varasm.c (object_block_htab, anchor_labelno): New variables.
6218 (hash_section, object_block_entry_eq, object_block_entry_hash)
6219 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6220 (use_blocks_for_decl_p, change_symbol_section): New functions.
6221 (get_variable_section): New function, split out from assemble_variable.
6222 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6223 use_blocks_for_decl_p say so. Use change_symbol_section if the
6224 symbol has already been created.
6225 (assemble_variable_contents): New function, split out from...
6226 (assemble_variable): ...here. Don't output any code for
6227 block symbols; just pass them to place_block_symbol.
6228 Use get_variable_section and assemble_variable_contents.
6229 (get_constant_alignment, get_constant_section, get_constant_size): New
6230 functions, split from output_constant_def_contents.
6231 (build_constant_desc): Create a block symbol if use_object_blocks_p
6232 says so. Or into SYMBOL_REF_FLAGS.
6233 (assemble_constant_contents): New function, split from...
6234 (output_constant_def_contents): ...here. Don't output any code
6235 for block symbols; just pass them to place_section_symbol.
6236 Use get_constant_section and get_constant_alignment.
6237 (force_const_mem): Create a block symbol if use_object_blocks_p and
6238 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6239 (output_constant_pool_1): Add an explicit alignment argument.
6240 Don't switch sections here.
6241 (output_constant_pool): Adjust call to output_constant_pool_1.
6242 Switch sections here instead. Don't output anything for block symbols;
6243 just pass them to place_block_symbol.
6244 (init_varasm_once): Initialize object_block_htab.
6245 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6246 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6247 (place_block_symbol, get_section_anchor, output_object_block)
6248 (output_object_block_htab, output_object_blocks): New functions.
6249 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6250 (TARGET_ASM_OUT): Include it.
6251 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6252 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6253 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6254 (TARGET_INITIALIZER): Include them.
6255 * rtl.c (rtl_check_failed_block_symbol): New function.
6256 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6257 (block_symbol, object_block): New structures.
6258 (rtx_def): Add a block_symbol field to the union.
6259 (BLOCK_SYMBOL_CHECK): New macro.
6260 (rtl_check_failed_block_symbol): Declare.
6261 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6262 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6263 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6264 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6265 * output.h (output_section_symbols): Declare.
6266 (object_block): Name structure.
6267 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6268 (default_use_anchors_for_symbol_p): Declare.
6269 * Makefile.in (RTL_BASE_H): Add vec.h.
6270 (explow.o): Depend on output.h.
6271 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6272 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6273 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6274 (rs6000_use_blocks_for_constant_p): New function.
6276 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6278 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6280 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6283 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6286 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6288 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6292 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6295 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6296 instead of DECL_REGISTER.
6298 2006-02-18 Olivier Hainque <hainque@adacore.com>
6301 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6303 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6306 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6307 * opth-gen.awk: Handle Var and InverseMask together.
6308 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6309 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6310 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6311 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6313 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6314 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6315 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6316 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6317 LINUX_DYNAMIC_LINKER): Define.
6318 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6319 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6321 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6322 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6323 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6325 (TARGET_C99_FUNCTIONS): Don't define.
6326 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6327 GLIBC_DYNAMIC_LINKER.
6328 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6329 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6330 GLIBC_DYNAMIC_LINKER64): Define.
6331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6332 LINUX_DYNAMIC_LINKER64.
6333 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6335 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6337 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6339 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6340 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6341 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6343 and LINUX_DYNAMIC_LINKER32.
6344 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6346 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6348 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6350 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6351 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6352 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6353 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6354 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6355 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6356 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6357 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6358 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6359 LINUX_DYNAMIC_LINKER): Define.
6360 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6361 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6362 GLIBC_DYNAMIC_LINKER64): Define.
6363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6364 LINUX_DYNAMIC_LINKER64.
6365 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6366 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6367 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6368 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6369 LINUX_DYNAMIC_LINKER): Define.
6370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6371 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6372 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6373 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6374 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6375 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6376 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6377 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6378 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6379 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6381 * doc/invoke.texi (-muclibc): Remove caveat about supported
6384 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6386 * doc/cpp.texi (__TIMESTAMP__): Document.
6388 2006-02-17 Roger Sayle <roger@eyesopen.com>
6391 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6392 C is one less than the width of X (and related transformations).
6393 * simplify-rtx.c (simplify_unary_operation_1): Transform
6394 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6395 depending on STORE_FLAG_VALUE, were C is one less then the
6398 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6400 Fix PR tree-optimization/26341
6401 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6402 about NAME_MEMORY_TAG's.
6404 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6407 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6408 with hardware float support, and software float support. Add fcpy
6409 alternative to hardware patterns. Add alternatives to copy between
6410 general and floating-point registers to the 32-bit pattern.
6411 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6412 secondary reload to load a QI or HI mode constant into a floating
6414 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6415 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6417 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6420 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6422 (load_macho_picbase_di): Likewise.
6424 2006-02-16 Jeff Law <law@redhat.com>
6426 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6427 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6428 (ssa_name_nonzero_p): Likewise.
6429 (get_value_range): Return NULL if VRP is not running.
6430 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6431 VRP routines do not discover a range.
6432 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6433 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6434 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6435 (tree_expr_nonnegative_p): Similarly.
6436 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6437 (restore_nonzero_vars_to_original_value): Remove.
6438 (unsafe_associative_fp_binop): Remove.
6439 (tree_ssa_dominator_optimize): Remove initialization and
6440 finalization of nonzero_vars and nonzero_vars_stack.
6441 (dom_opt_initialize_block): No longer push marker on
6443 (dom_opt_finalize_block): No longer call
6444 restore_nonzero_vars_to_original_value.
6445 (record_equivalences_from_phis): No longer look for
6446 nonzero PHI arguments.
6447 (cprop_into_successor_phis): No longer propagate nonzero
6448 property into PHI arguments. Lose unused argument. Caller
6450 (record_equivalences_from_stmt): No longer record nonzero
6451 values for SSA_NAMEs.
6452 (lookup_avail_expr): No longer use nonzero_vars.
6454 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6455 for sizetype when sizetype is unsigned.
6457 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6459 PR rtl-optimization/25603
6460 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6461 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6462 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6463 with new meaning of SETS.
6465 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6470 * config/linux.opt: New file.
6471 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6472 LINUX_DYNAMIC_LINKER): Define.
6473 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6474 * config.gcc (*-*-linux*): Define extra_options.
6475 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6476 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6477 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6478 GLIBC_DYNAMIC_LINKER.
6479 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6480 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6481 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6483 * doc/invoke.texi (GNU/Linux Options): New section.
6485 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6487 * config/sparc/sparc.md (setjmp): Rewrite.
6488 (setjmp_32): Delete.
6489 (setjmp_64): Likewise.
6491 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6493 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6496 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6498 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6501 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6503 PR rtl-optimization/26296
6504 * Makefile.in (loop-invariant.c): Add except.h dependency.
6505 * loop-invariant.c: Include except.h.
6506 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6508 2005-02-16 Paul Brook <paul@codesourcery.com>
6510 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6513 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6515 PR rtl-optimization/25636
6516 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6517 when deciding whether an insn is an initializing insn.
6519 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6521 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6522 (tree_code_size): Ditto.
6523 * tree.h (struct tree_memory_tag): Remove parent_var.
6524 (struct tree_struct_field_tag): New.
6527 (union tree_node): Add sft member.
6528 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6530 (create_sft): Add size and offset argument, set SFT_OFFSET and
6532 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6533 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6534 * tree-flow-inline.h (get_subvar_at): Update for
6535 SFT_OFFSET/SFT_SIZE.
6536 (var_can_have_subvars): Ditto.
6537 (overlap_subvar): Ditto.
6538 * print-tree.c (print_node): Print out interesting things for
6540 * tree-flow.h (struct subvar): Remove offset and size members.
6541 * tree-ssa-operands.c (get_expr_operands): Update for
6542 get_indirect_ref_operands changes.
6543 (get_indirect_ref_operands): Call add_virtual_operand instead of
6544 add_stmt_operand. Only recurse on base var if requested.
6545 (access_can_touch_variable): New function.
6546 (add_stmt_operand): Split virtual operand handling into ...
6547 (add_virtual_operand): Here. Add offset, size, and for_clobber
6548 arguments. Prune alias sets.
6549 (add_call_clobber_ops): Call add_virtual_operand.
6551 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6554 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6556 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6557 than TREE_CODE as index into omp_clause_num_ops array.
6559 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6561 PR rtl-optimization/26184
6562 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6564 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6565 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6566 must_precede, must_follow and tobe_scheduled.
6569 * opts.c (common_handle_option): Free new_option pointer.
6570 * df-core.c (df_analyze): Free postorder pointer.
6572 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6574 * Makefile.in: Fix the examples about the use of stamps
6576 2006-02-15 Michael Matz <matz@suse.de>
6580 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6581 influenced by maximum_field_alignment or DECL_PACKED.
6582 (update_alignment_for_field): Ditto.
6583 (place_field): Ditto.
6584 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6587 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6589 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6590 (debug_flow_info): Pass it.
6591 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6592 * bb-reorder.c (reorder_basic_blocks): Likewise.
6593 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6594 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6595 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6596 * gcse.c (gcse_main, bypass_jumps): Likewise.
6597 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6598 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6599 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6600 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6601 * rtl.h (dump_flow_info): Adjust prototype.
6602 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6603 * var-tracking.c (variable_tracking_main): Likewise.
6604 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6605 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6608 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6610 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6613 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6615 PR tree-optimization/26209
6616 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6617 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6619 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6621 2006-02-14 Roger Sayle <roger@eyesopen.com>
6624 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6625 (X,Y) and the corresponding symmetry related transformations.
6626 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6627 (X,Y) and its symmetry related transformations.
6629 2006-02-14 Roger Sayle <roger@eyesopen.com>
6631 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6634 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6636 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6638 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6641 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6642 support COMDAT group.
6643 * configure: Regenerate.
6645 2006-02-14 Roger Sayle <roger@eyesopen.com>
6650 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6652 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6654 Fix PR tree-optimization/26260
6656 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6658 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6659 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6660 * tree-ssa-structalias.c (create_variable_info_for): Use
6661 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6663 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6665 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6667 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6668 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6669 of the ending condition.
6670 * tree-ssa-loop-manip.c: Include params.h.
6671 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6672 tree_unroll_loop): New functions.
6673 * tree-pass.h (pass_loop_prefetch): Declare.
6674 * loop.c (rest_of_handle_loop_optimize): Test for
6675 -fprefetch-loop-arrays-rtl.
6676 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6677 * timevar.def (TV_TREE_PREFETCH): New timevar.
6678 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6679 pass_loop_prefetch): New.
6680 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6681 (cleanup_tree_cfg_loop): Call scev_reset.
6682 * common.opt (fprefetch-loop-arrays-rtl): Add.
6683 * tree-ssa-loop-prefetch.c: New file.
6684 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6685 (new_temp_expr_table): Initialize expr_vars.
6686 (free_temp_expr_table): Cleanup expr_vars.
6687 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6688 expressions from being merged into one.
6689 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6690 (struct tree_niter_desc): Add control, bound and cmp fields.
6691 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6693 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6694 (tree-cfgcleanup.o): Add SCEV_H dependency.
6695 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6696 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6698 2006-02-14 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/26258
6701 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6702 in PHI argument processing.
6704 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6706 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6707 new expression in the requested machine mode.
6709 2006-02-13 Roger Sayle <roger@eyesopen.com>
6711 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6712 directly, instead let do_compare_rtx_and_jump handle this for us.
6713 * expr.c (expand_expr_real_1): Likewise.
6714 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6715 before do_jump_by_parts_greater.
6716 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6717 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6719 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6721 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6723 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6725 PR rtl-optimization/26235
6726 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6727 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6730 2006-02-13 Jeff Law <law@redhat.com>
6732 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6735 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6738 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6739 twice if decl is a builtin. When trying again, call get_callee_fndecl
6740 first to verify it is still a builtin.
6742 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6744 * dwarf2out.c (base_type_die): Don't add AT_name here.
6745 (subrange_type_die): Don't add AT_name here.
6746 (modified_type_die): Rearrange code flow. Do add AT_name here.
6748 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6750 PR rtl-optimization/26247
6751 PR rtl-optimization/26248
6752 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6754 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6756 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6757 * config/fixtfdi.c: Likewise.
6758 * config/fixunstfdi.c: Likewise.
6759 * config/floatditf.c: Likewise.
6761 2006-02-13 Roger Sayle <roger@eyesopen.com>
6764 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6765 into (X,C2) if C1 is a subset of the bits of C2. Transform
6766 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6768 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6770 2006-02-13 Josh Conner <jconner@apple.com>
6773 * varasm.c (function_section): Check for section name before
6774 calling select_section on targets that define
6775 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6776 unlikely_text_section instead of hot_function_section if
6777 first_function_block_is_cold.
6779 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6782 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6784 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6786 PR rtl-optimization/26222
6787 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6788 after tree->rtl expansion.
6789 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6790 before passing it to emit_move_insn.
6792 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6794 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6796 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6797 Clarify documentation.
6798 * c-common.h (warn_write_strings): Remove.
6799 * c-common.c (warn_write_strings): Likewise.
6800 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6803 2006-02-12 Roger Sayle <roger@eyesopen.com>
6806 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6807 (do_jump_parts_zero_rtx): New function renamed from
6808 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6809 (do_jump_parts_equality_rtx): New function split out from
6810 do_jump_parts_equality. Old implementation renamed as above.
6811 Call do_jump_parts_zero_rtx if either operand is zero.
6812 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6813 do all of the heavy lifting.
6814 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6815 calling either do_jump_by_parts_greater_rtx or
6816 do_jump_by_parts_equality_rtx.
6817 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6818 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6819 moved to do_compare_rtx_and_jump, call it directly.
6820 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6821 mode argument. Call do_compare_rtx_and_jump.
6822 (emit_case_nodes): Update calls to do_jump_if_equal.
6824 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6826 PR rtl-optimization/26225
6827 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6829 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6831 PR rtl-optimization/26232
6832 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6834 2006-02-11 Jason Merrill <jason@redhat.com>
6837 * tree-inline.c (declare_return_variable): Just don't use the
6838 modify target if it's a gimple complex reg and the return slot
6841 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6843 * doc/contrib.texi: Update my entry.
6845 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6847 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6849 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6851 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6854 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6856 * doc/invoke.texi (-floop-optimize2): Removed.
6857 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6858 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6859 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6860 * common.opt (floop-optimize2): Removed.
6861 (fmove-loop-invariants): Enabled by default.
6863 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6865 * tree-if-conv.c (combine_blocks): Free the result of
6866 get_loop_exit_edges.
6868 2006-02-10 Jeff Law <law@redhat.com>
6870 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6872 PR tree-optimization/26213
6873 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6874 loop trying to follow SSA_NAME_VALUE chains.
6876 2006-02-10 Richard Guenther <rguenther@suse.de>
6878 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6879 deal with structures that end in implicitly variable sized arrays.
6881 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6883 PR rtl-optimization/24762
6884 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6887 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6889 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6890 (struct ivopts_data): Add regs_used field.
6891 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6892 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6893 instead of loop_data->regs_used;
6894 (free_loop_data): Do not free aux fields for loops.
6895 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6896 and tree_ssa_iv_optimize_finalize.
6898 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6900 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6902 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6905 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6906 computing the effective result type.
6908 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6911 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6912 (tree_overlaps_hard_reg_set): Declare.
6913 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6914 type and signature to match function type expected by walk_tree.
6915 (tree_overlaps_hard_reg_set): New function.
6916 (decl_conflicts_with_clobbers_p): Rename to:
6917 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6918 Use tree_overlaps_hard_reg_set. Changed caller.
6919 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6920 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6921 * cris.c (cris_md_asm_clobbers): Likewise.
6923 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6925 * reload1.c (emit_input_reload_insns): Delete code that tries to
6926 inherit using find_equiv_reg.
6928 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6930 * c-common.h (flag_const_strings): Don't declare.
6931 * c-common.c (flag_const_strings): Remove.
6932 * c.opt (fconst_strings): Remove.
6933 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6934 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6935 (c_common_init_options): Don't set flag_const_strings.
6936 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6938 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6940 * arm.md (tlobits_cbranch): New pattern.
6941 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6942 testing a single bit.
6944 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6947 * tree-ssa-pre.c (create_component_ref_by_pieces):
6948 Handle RETURN_DECL like VAR_DECL.
6950 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6953 * fold-const.c (fold_indirect_ref_1): Fold
6954 "*(foo *)&complexfoo" to "__real__ complexfoo"
6955 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6957 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6959 * tree-flow-inline.h (var_can_have_subvars):
6960 Volatile variables should not have subvariables.
6962 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6965 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6966 multiplying unsigned values.
6969 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6971 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6973 2006-02-08 Jason Merrill <jason@redhat.com>
6976 * tree.def: Elaborate on difference from MODIFY_EXPR.
6977 * doc/c-tree.texi (INIT_EXPR): Likewise.
6978 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6979 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6980 (gimplify_target_expr): Likewise.
6981 (gimplify_cond_expr): Remove target handling.
6982 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6983 (gimplify_expr): Clobber it here.
6984 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6985 Do return slot optimization if we have an INIT_EXPR.
6988 * tree-inline.c (declare_return_variable): Also clear
6989 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6992 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6995 * gimplify.c (gimplify_one_sizepos): Fix typo.
6997 2006-02-08 Jeff Law <law@redhat.com>
6999 PR tree-optimization/21417
7000 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7001 across a backedge if the control statement at the end of the
7002 block is data dependent on other statements in the same block.
7003 (record_temporary_equivalences_from_stmts): Remove over-conservative
7004 test for threading across backedges.
7006 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7007 control statement, handle all three special cases in the same
7008 manner as they all have the same desired solution. No longer
7009 special case edge flag updating when the post dominator is
7012 2006-02-08 Roger Sayle <roger@eyesopen.com>
7014 * tree.def (CHAR_TYPE): Remove.
7015 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7016 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7017 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7018 (gen_string_type_die): Delete unreachable function.
7020 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7021 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7022 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7023 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7024 * builtins.c (type_to_class): Likewise.
7025 * fold-const.c (fold_convert, build_range_check,
7026 merge_ranges): Likewise.
7027 * expr.c (count_type_elements): Likewise.
7028 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7029 * stor-layout.c (layout_type): Likewise.
7030 * ipa-type-escape.c (type_to_consider): Likewise.
7031 * gimplify.c (omp_firstprivatize_type_sizes,
7032 gimplify_type_sizes): Likewise.
7033 * explow.c (promote_mode): Likewise.
7034 * tree-sra.c (is_sra_scalar_type): Likewise.
7035 * varasm.c (output_constant): Likewise.
7036 * tree-inline.c (remap_type_1): Likewise.
7037 * convert.c (convert_to_pointer, convert_to_real,
7038 convert_to_integer, convert_to_complex): Likewise.
7040 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7042 * df-scan.c (df_def_record_1): A set destination may
7043 be a parallel regardless of mode.
7045 2006-02-08 Roger Sayle <roger@eyesopen.com>
7048 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7049 * config/mips/_tilib.c: Remove.
7050 * config/fixtfdi.c: New libgcc source file.
7051 * config/fixunstfdi.c: New source file.
7052 * config/floatditf.c: New source file.
7053 * config/floatunditf.c: New souce file.
7054 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7055 files above instead of config/mips/_tilib.c.
7056 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7058 2006-02-08 Jeff Law <law@redhat.com>
7060 PR tree-optimization/26169
7061 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7064 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7066 * df.h (DF_REG_SIZE): Return the length of the initialized
7069 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7071 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7072 __muldf3): Return a correctly signed zero.
7074 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7076 * passes.c (register_one_dump_file): Accept the current properties
7077 instead of pass number. Adjust call to dump_register. Remove
7079 (register_dump_files): Now a wrapper around...
7080 (register_dump_files_1): ... this one. Do not modify the pass
7082 (next_pass_1): Cosmetic fix.
7083 (execute_todo): Keep second parameter only. Use curr_properties
7084 instead of fetching it from the pass structure. Check and set
7086 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7087 instead of fetching it from the pass structure. Fix calls to
7088 execute_todo. Update curr_properties and initialize .vcg RTL dump
7089 after running the pass. Reset last_verified.
7090 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7092 (FIRST_AUTO_NUMBERED_DUMP): New.
7093 (dump_register): Remove "num" parameter, assign it within the
7095 (get_dump_file_name): Modify template for dumps.
7096 * tree-dump.h (dump_register): Adjust prototype.
7097 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7098 (PROP_trees): Add PROP_gimple_lomp.
7099 (TODO_set_props): New.
7100 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7101 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7102 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7104 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7106 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7107 (sparc64-*-linux*): Likewise.
7108 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7109 * config/sparc/t-linux: New file.
7110 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7111 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7112 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7113 -m32 -mlong-double-128.
7115 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7116 * config/alpha/t-linux: New file.
7117 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7119 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7120 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7121 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7122 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7123 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7124 (CPP_ARCH32_SPEC): Remove.
7126 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7128 PR tree-optimization/26145
7129 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7132 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7135 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7136 >= 240000 when generating code for SOM runtime.
7137 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7138 to $$dyncall when generating code for SOM runtime..
7140 2006-02-07 Dirk Mueller <dmueller@suse.com>
7143 * doc/invoke.texi (-Wsequence-point): Update documentation
7144 that -Wsequence-point is implemented for C++ as well.
7146 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7148 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7149 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7150 (LIB_SPEC): Likewise.
7151 * doc/invoke.texi (SPARC options): Document -pthread.
7153 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7155 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7158 2006-02-07 Roger Sayle <roger@eyesopen.com>
7160 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7161 Correct comment describing BOOLEAN_TYPE.
7163 2006-02-07 Dirk Mueller <dmueller@suse.com>
7165 * c.opt: C++ frontend supports -Wdiv-by-zero.
7166 * c-opts.c (c_common_handle_option): Remove dead case.
7168 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7170 * configure.ac (TLS assembler check): Do not enable TLS by
7171 default on SPARC/Solaris before version 10.
7172 * configure: Regenerate.
7174 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7176 * doc/invoke.texi (xl-compat): Document conversion and support
7179 2006-02-07 Jeff Law <law@redhat.com>
7181 * tree-vrp.c (find_conditional_asserts): Update comments.
7182 (simplify_stmt_for_jump_threading): New.
7183 (identify_jump_threads, finalize_jump_threads): New.
7184 (vrp_finalize): Call identify_jump_threads.
7185 (execute_vrp): Call finalize_jump_threads.
7186 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7187 (vrp_element, vrp_data, vrp_element_p): Remove.
7188 (vrp_hash_elt, vrp_variables_stack): Remove.
7189 (vrp_hash, vrp_eq, record_range): Remove.
7190 (simplify_cond_and_lookup_avail_expr): Remove.
7191 (extract_range_from_cond): Remove.
7192 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7193 (simplify_stmt_for_jump_threading): New.
7194 (dom_thread_across_edge): New wrapper.
7195 (tree_ssa_dominator_optimize): No longer initialize or
7196 finalize any of the VRP datastructures. Remove iteration
7197 step and simplify as a result of removal of iteration step.
7198 (pass_dominator): Perform a cfg cleanup after DOM.
7199 (dom_opt_finalize_block): Use the new common routines
7200 for threading jumps. Simplify stack management slightly.
7201 No longer need to unwind VRP state.
7202 (record_equivalences_from_incoming_edge): No longer record
7204 (eliminate_redundant_computations): No longer call
7205 simplify_cond_and_lookup_avail_expr.
7206 * tree-flow.h (potentially_threadable_block): Prototype.
7207 (thread_across_edge): Likewise.
7208 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7209 (tree-ssa-threadedge.o): Add dependencies.
7210 * tree-ssa-threadedge.c: New file.
7211 * passes.c (init_optimization_passes): Merge PHIs before
7212 calling VRP. Run VRP again late in the SSA optimization pipeline.
7214 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7216 * df-core.c (df_set_blocks): Do not dereference function pointers.
7217 (df_finish1): Likewise.
7218 (df_hybrid_search_forward): Likewise.
7219 (df_hybrid_search_backward): Likewise.
7220 (df_iterative_dataflow): Likewise.
7221 (df_analyze_problem): Likewise.
7222 (df_compact_blocks): Likewise.
7223 (df_dump): Likewise.
7224 * df-scan.c (df_rescan_blocks): Likewise.
7225 (df_record_entry_block_defs): Likewise.
7227 * genconditions.c (write_conditions): Guard the definition of
7228 'insn_conditions' with the check on GCC version.
7229 (write_writer): Guard the traversal 'insn_conditions' with
7230 the check on GCC version.
7232 2006-02-07 Richard Guenther <rguenther@suse.de>
7236 2006-01-30 Richard Guenther <rguenther@suse.de>
7238 * gimplify.c (gimplify_target_expr): Handle easy cases
7239 without creating a temporary.
7241 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7243 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7244 use of float in probability computations. Use edge probabilities
7245 in place of statically computed probabilities.
7246 (min_spec_prob): New static variable.
7247 (schedule_insns): Initialize it.
7248 (GET_SRC_PROB): Removed.
7249 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7251 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7254 * config/ia64/unwind-ia64.c: Revert last change.
7255 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7256 (INCOMING_FRAME_SP_OFFSET): Define.
7258 2006-02-06 Roger Sayle <roger@eyesopen.com>
7260 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7262 2006-02-07 Ben Elliston <bje@au.ibm.com>
7264 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7265 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7266 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7267 (ix86_return_in_memory): Handle TDmode.
7268 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7269 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7271 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7273 * reorg.c (dbr_schedule): Use dump_file instead of file.
7275 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7278 * config/ia64/predicates.md (extr_len_operand): New predicate.
7279 * config/ia64/ia64.md (extv): Tighten constraints.
7281 (*tbit_and_2): Ditto.
7282 (*tbit_and_3): Ditto.
7283 (*tbit_or_2): Ditto.
7284 (*tbit_or_3): Ditto.
7288 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7291 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7293 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7295 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7296 loop_optimizer_init and loop_optimizer_finalize
7297 * tree-ssa-sink.c (execute_sink_code): Ditto.
7298 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7299 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7300 tree_ssa_loop_done): Ditto.
7301 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7302 * sched-ebb.c: Include output.h.
7303 (schedule_ebbs): Do not use dump argument.
7304 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7305 * loop.c (loop_dump_stream): Removed.
7306 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7308 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7309 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7310 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7311 loop_iterations, strength_reduce, record_biv, record_giv,
7312 final_giv_value, check_final_value, check_ext_dependent_givs,
7313 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7314 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7315 dump_file instead of loop_dump_stream.
7316 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7318 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7320 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7321 * haifa-sched.c: Include output.h
7322 (schedule_insns, sched_init): Do not use dump argument.
7323 * mode-switching.c (optimize_mode_switching): Ditto.
7324 * modulo-sched.c (stats_file): Removed.
7325 (print_node_sched_params): Do not call argument dump_file.
7326 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7327 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7329 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7331 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7332 rtl_loop_init, rtl_loop_done): Ditto.
7333 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7334 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7336 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7337 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7338 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7339 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7340 * emit-rtl.c (renumber_insns): Ditto.
7341 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7342 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7343 * regclass.c (regclass): Ditto.
7344 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7345 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7346 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7347 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7349 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7350 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7352 * gcse.c (gcse_file, debug_stderr): Removed.
7353 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7354 rest_of_handle_gcse): Do not use dump argument.
7355 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7356 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7357 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7358 compute_code_hoist_vbeinout, compute_code_hoist_data,
7359 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7360 compute_store_table, build_store_vectors, insert_insn_start_bb,
7361 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7362 store_motion): Use dump_file instead of gcse_file.
7363 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7364 * profile.c (profile_dump_file): Removed.
7365 (branch_prob): Use dump_file instead of profile_dump_file.
7366 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7368 * tree-ssa-copy.c (dump_copy_of): Ditto.
7369 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7370 dump file to life_analysis.
7371 * bt-load.c (branch_target_load_optimize): Ditto.
7372 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7374 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7375 regclass, dbr_schedule): Declaration changed.
7376 * sched-int.h (sched_init): Declaration changed.
7377 * tree-profile.c (tree_profile_dump_file): Removed.
7378 (tree_profile_hooks): Removed profile_dump_file hook.
7379 * rtl-profile (rtl_profile_dump_file): Removed.
7380 (rtl_profile_hooks): emoved profile_dump_file hook.
7381 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7383 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7384 * tree-cfg.c (build_tree_cfg): Ditto.
7385 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7386 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7387 Declaration changed.
7388 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7389 life_analysis and schedule_insns.
7390 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7392 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7394 * config/mips/mips.c (mips_reorg): Ditto.
7395 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7398 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7400 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7401 (s390_mangle_fundamental_type): New.
7402 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7405 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7406 (alpha_mangle_fundamental_type): New.
7407 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7410 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7412 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7414 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7415 (sparc_mangle_fundamental_type): New.
7417 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7419 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7420 (s390x-*-linux*): Likewise.
7421 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7422 * config/s390/t-linux: New file.
7424 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7426 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7427 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7429 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7431 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7432 (ANTIC_SAFE_LOADS): New macro.
7433 (find_or_generate_expression): Add prototype.
7434 (set_contains_value): Allow null set for sake of not always having
7435 to allocate ANTIC_SAFE_LOADS.
7436 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7437 Allow COMPONENT_REF too.
7438 (valid_in_set): Allow COMPONENT_REF.
7439 Check ANTIC_SAFE_LOADS too.
7440 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7441 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7443 (can_PRE_operation): Add COMPONENT_REF.
7444 (create_component_ref_by_pieces): New function.
7445 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7446 (insert_aux): Move AGGREGATE_TYPE_P check here.
7447 (compute_avail): Set bb local stmt uids.
7448 (pass_pre): Use TODO_update_ssa_only_virtuals.
7450 2006-02-06 Ben Elliston <bje@au.ibm.com>
7452 * configure.ac: Unconditionally disable decimal float by default.
7453 * configure: Regenerate.
7455 2006-02-06 Ben Elliston <bje@au.ibm.com>
7457 * read-rtl.c (read_name): Terminate reading on EOF.
7459 2006-02-06 Ben Elliston <bje@au.ibm.com>
7461 * dfp.c (decimal_real_arithmetic): Change second argument type
7462 from int to enum tree_code. Do not always return true, but now
7463 return result of any call to decimal_do helper functions.
7464 * dfp.h (decimal_real_arithmetic): Update prototype.
7466 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7468 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7470 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7473 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7476 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7478 * tree-vrp.c (cfg_loops): Removed.
7479 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7480 Use current_loops instead of cfg_loops. Pass flags to
7481 loop_optimizer_init.
7482 * cfgloopmanip.c (fix_loop_structure): Update only available
7484 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7485 loop_optimizer_init.
7486 * modulo-sched.c (build_loops_structure): Removed.
7487 (sms_schedule): Use loop_optimizer_init.
7488 * loop-init.c (loop_optimizer_init): Use flags to determine
7489 which properties of loops to prepare.
7490 (rtl_loop_init): Pass flags to loop_optimizer_init.
7491 * tree-ssa-sink.c (execute_sink_code): Ditto.
7492 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7493 * tree-ssa-pre.c (init_pre): Ditto.
7494 * cfgloop.h (LOOPS_NORMAL): New.
7495 (loop_optimizer_init): Declaration changed.
7497 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7499 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7500 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7502 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7504 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7506 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7507 * pa/t-pa64: Delete quadlib.c rule.
7508 * pa/x-ada: Revert last change.
7509 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7511 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7513 PR rtl-optimization/26087
7514 * rtlanal.c (canonicalize_condition): Do not cross basic block
7517 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7520 * config/ia64/ia64.c: Include debug.h.
7521 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7522 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7523 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7524 (process_epilogue, process_set, process_for_unwind_directive):
7525 Output unwind info only if requested. Add CFA info if requested.
7526 Add new arguments as needed. Adjust callers.
7527 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7529 (DWARF2_FRAME_INFO): Define to zero.
7530 * config/ia64/unwind-ia64.c: Remove code that compensated for
7531 the CFA offset error fixed above.
7532 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7533 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7534 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7535 -funwind-tables and -fexceptions to enable frame info.
7536 (dwarf2out_frame_init): Define initial CFA even if
7537 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7538 DWARF2_UNWIND_INFO is nonzero, not just defined.
7539 (dwarf2out_frame_finish): Output non-EH call frame info only
7540 if DWARF2_FRAME_INFO is nonzero.
7541 (convert_cfa_to_loc_list,
7542 compute_frame_pointer_to_cfa_displacement): Define even if
7543 unwind info is not supported.
7544 (gen_subprogram_die): Use the above unconditionally. Remove
7545 legacy alternate code.
7546 * toplev.c (compile_file): Compile in call to
7547 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7548 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7550 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7551 Jakub Jelinek <jakub@redhat.com>
7553 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7554 IBM extended float format long double as "g" on powerpc*-linux.
7556 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7559 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7560 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7562 2006-02-03 Jason Merrill <jason@redhat.com>
7565 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7568 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7569 on the return slot if it's an NRV.
7571 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7573 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7574 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7575 rewrite_use): Do not handle USE_OUTER.
7576 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7577 add_iv_outer_candidates, may_replace_final_value,
7578 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7579 (find_interesting_uses_op): Functionality of
7580 find_interesting_uses_outer_or_nonlin moved here.
7581 (find_interesting_uses_outside): Use find_interesting_uses_op.
7583 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7586 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7588 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7589 Ulrich Weigand <uweigand@de.ibm.com>
7592 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7593 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7594 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7595 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7597 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7598 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7599 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7600 Define secondary reloads for TFmode moves.
7601 (constant_modes): Add TFmode.
7602 (NR_C_MODES): Set to 8.
7603 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7605 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7606 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7607 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7608 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7609 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7610 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7611 (FPR mode macro): Add TFmode.
7612 (DSF mode macro): New.
7613 (<de>, <dee> mode attributes): Removed.
7614 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7615 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7616 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7617 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7618 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7619 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7620 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7621 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7622 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7623 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7624 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7625 "*negabs<mode>2", "sqrt<mode>2"):
7626 Changed <de> to <xde>. R constraint replaced by <Rf>.
7627 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7629 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7630 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7631 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7633 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7634 "extenddftf2", "extendsftf2"): New expanders.
7635 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7636 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7637 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7638 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7640 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7641 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7642 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7643 __floatditf): Add a GCC_4.1.0 symbol version tag.
7644 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7647 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7650 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7651 Use targetm.binds_local_p instead of TREE_PUBLIC.
7653 2006-02-02 Roger Sayle <roger@eyesopen.com>
7655 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7656 on INTEGER_TYPEs to indicate that it denotes a character type.
7657 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7658 signed_char_type_node, unsigned_char_type_node and char_type_node.
7659 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7660 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7661 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7663 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7664 Daniel Berlin <dberlin@dberlin.org>
7666 * tree-tailcall.c (arg_needs_copy_p): New function.
7667 (eliminate_tail_call): Use arg_needs_copy_p.
7668 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7669 (add_virtual_phis): New function.
7671 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7673 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7674 #ignore instead of #scratch for %g7 .register directive.
7676 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7678 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7681 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7683 * flow.c (calculate_global_regs_live): Assert that there aren't any
7686 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7688 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7690 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7691 bsi_after_labels iterator.
7692 * tree-if-conv.c (find_phi_replacement_condition,
7693 replace_phi_with_cond_modify_expr): Likewise.
7694 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7695 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7697 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7699 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7701 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7704 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7705 array after growing it.
7707 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7710 * fold-const.c (fold_checksum_tree): Change type of buf.
7712 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7714 * reload.c (push_secondary_reload): Initialize t_icode.
7716 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7718 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7719 -msoft-float -mlong-double-128 only issue a warning, but don't
7720 swich to DFmode long double.
7722 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7724 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7725 has a constant equivalent, iterate over equivalents for arg0,
7726 calling simplify_relational_operation and if there's a result
7727 cheaper than X, apply fold_rtx and return the result.
7729 2006-02-01 Jan Hubicka <jh@suse.cz>
7731 * opts.c (no_unit_at_a_time_default): New global variable.
7732 (decode_options): Use it.
7733 * opts.h (no_unit_at_a_time_default): Declare.
7735 2006-02-01 Paul Brook <paul@codesourcery.com>
7737 * function.c (assign_parm_setup_reg): Use function argument promotion
7739 * expr.c (expand_expr_real_1): Use function argument promotion rules
7742 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7744 * gcc.c (process_command): Change j to 'unsigned int'.
7746 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7749 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7750 Use the corrected index for the character
7751 out of the string constant.
7753 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7755 * mode-switching.c (optimize_mode_switching): Fix size
7756 allocated for bb_info[n_entities].
7758 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7760 * gcc.c (main): Correct type that is allocated for
7761 explicit_link_files.
7763 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7765 * config/s390/s390.c (init_alignment_context): Set
7766 ALIAS_SET_MEMORY_BARRIER on the MEM.
7767 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7769 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7772 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7774 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7777 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7779 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7780 * regrename.c: Ditto.
7781 * tree-ssa-loop-im.c: Ditto.
7782 * tree-dump.c: Ditto.
7783 * tree-complex.c: Ditto.
7784 * genrecog.c: Ditto.
7785 * tree-ssa-threadupdate.c: Ditto.
7787 * java/class.c: Ditto.
7788 * java/jcf-parse.c: Ditto.
7789 * java/resource.c: Ditto.
7790 * java/except.c: Ditto.
7791 * java/jvspec.c: Ditto.
7792 * java/jcf-write.c: Ditto.
7793 * java/jcf-path.c: Ditto.
7794 * java/gjavah.c: Ditto.
7795 * java/zextract.c: Ditto.
7796 * java/jcf-io.c: Ditto.
7797 * java/jcf.h: Ditto.
7798 * java/buffer.c: Ditto.
7799 * java/lang.c: Ditto.
7800 * java/parse-scan.y: Ditto.
7801 * java/lex.c: Ditto.
7802 * java/lex.h: Ditto.
7803 * cfgloopmanip.c: Ditto.
7804 * postreload-gcse.c: Ditto.
7805 * tree-ssa-loop-manip.c: Ditto.
7806 * postreload.c: Ditto.
7807 * tree-ssa-loop-ch.c: Ditto.
7811 * diagnostic.c: Ditto.
7813 * genoutput.c: Ditto.
7815 * cfghooks.c: Ditto.
7816 * cfgloopanal.c: Ditto.
7817 * objc/objc-act.c: Ditto.
7819 * genextract.c: Ditto.
7820 * genautomata.c: Ditto.
7821 * pretty-print.c: Ditto.
7823 * cgraphunit.c: Ditto.
7826 * haifa-sched.c: Ditto.
7827 * dominance.c: Ditto.
7829 * tree-ssa-loop-ivopts.c: Ditto.
7831 * mode-switching.c: Ditto.
7832 * modulo-sched.c: Ditto.
7834 * ipa-pure-const.c: Ditto.
7836 * fix-header.c: Ditto.
7838 * tree-stdarg.c: Ditto.
7839 * ipa-utils.c: Ditto.
7840 * loop-init.c: Ditto.
7841 * ipa-inline.c: Ditto.
7844 * alloc-pool.c: Ditto.
7845 * dwarf2out.c: Ditto.
7847 * genattrtab.c: Ditto.
7848 * tree-ssa-loop-ivcanon.c: Ditto.
7852 * fortran/gfortranspec.c: Ditto.
7854 * local-alloc.c: Ditto.
7855 * langhooks.c: Ditto.
7856 * function.c: Ditto.
7857 * tree-vectorizer.c: Ditto.
7859 * ipa-type-escape.c: Ditto.
7861 * tree-if-conv.c: Ditto.
7864 * tree-data-ref.c: Ditto.
7865 * loop-unroll.c: Ditto.
7866 * treelang/treetree.c: Ditto.
7869 * ggc-common.c: Ditto.
7871 * coverage.c: Ditto.
7873 * tree-cfgcleanup.c: Ditto.
7874 * tree-ssa-pre.c: Ditto.
7875 * cfgcleanup.c: Ditto.
7876 * loop-invariant.c: Ditto.
7878 * ipa-prop.c: Ditto.
7879 * print-tree.c: Ditto.
7880 * conflict.c: Ditto.
7881 * ggc-page.c: Ditto.
7882 * sched-deps.c: Ditto.
7883 * regclass.c: Ditto.
7884 * tree-object-size.c: Ditto.
7886 * bb-reorder.c: Ditto.
7887 * resource.c: Ditto.
7888 * var-tracking.c: Ditto.
7890 * df-problems.c: Ditto.
7891 * reg-stack.c: Ditto.
7894 * sched-rgn.c: Ditto.
7895 * tree-ssa-structalias.c: Ditto.
7896 * tree-ssa-reassoc.c: Ditto.
7897 * config/darwin-c.c: Ditto.
7898 * config/darwin.c: Ditto.
7899 * config/arm/arm.c: Ditto.
7901 * collect2.c: Ditto.
7904 2006-01-31 Nicolas Pitre <nico@cam.org>
7906 * arm.md (smaxsi3): Make aware of smax_m1.
7909 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7911 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7913 2006-01-31 Richard Guenther <rguenther@suse.de>
7915 * doc/invoke.texi (-msselibm): Document.
7916 * target.h (expand_library_builtin): New target hook.
7917 * builtins.c (expand_builtin): Use expand_library_builtin.
7918 (default_expand_library_builtin): New function.
7919 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7920 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7921 (link_gcc_math_spec): Declare.
7922 (static_specs): Add link_gcc_math_spec.
7923 * expr.h (default_expand_library_builtin): Declare.
7924 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7925 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7926 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7927 * config/i386/i386.opt (msselibm): New target option.
7928 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7929 (ix86_init_sse_abi_builtins): New function.
7930 (ix86_expand_library_builtin): Likewise.
7931 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7932 (override_options): Handle error conditions wrt -msselibm.
7933 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7934 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7935 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7938 2006-01-31 Richard Guenther <rguenther@suse.de>
7939 Paolo Bonzini <bonzini@gnu.org>
7941 * doc/install.texi (--disable-libgcc-math): Document.
7943 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7945 * expr.h (expand_normal): new inline function.
7946 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7948 * dwarf2out.c: use it.
7953 * config/sparc/sparc.c: use it.
7954 * config/i386/i386.c: use it.
7955 * config/rs6000/rs6000.c: use it.
7956 * config/arm/arm.c: use it.
7957 * config/mips/mips.c: use it.
7958 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7960 2006-01-30 Roger Sayle <roger@eyesopen.com>
7962 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7963 argv to the appropriate type.
7965 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7967 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7970 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7973 * config/s390/s390.c (struct machine_function): New flag
7974 decomposed_literal_pool_addresses_ok_p.
7975 (s390_reorg): Set it before final stage of literal pool transforms.
7976 (s390_decompose_address): Only accept displacements of the form
7977 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7979 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7981 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7982 the comparison routine return.
7984 2006-01-30 Michael Matz <matz@suse.de>
7986 * global.c (find_reg): Only evict for global regs.
7987 Take n_refs into account and dump more info.
7989 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7992 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7993 (pragma_trap, pragma_nosave_low_regs): Likewise.
7994 (current_function_anonymous_args): Likewise.
7995 (sh_deferred_function_attributes): New variable.
7996 (sh_deferred_function_attributes_tail): Likewise.
7997 (print_operand): For '@', look up trap_exit attribute.
7998 (calc_live_regs): Look up trapa_handler attribute. For trapa
7999 handlers, save/restore fpscr, but don't do any other
8000 interrupt-specific saves.
8001 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8002 Fix check for partially saved registers to check for SHmedia.
8003 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8004 (sh_output_function_epilogue): Don't clear any of the removed
8006 (sh_insert_attributes): Don't check pragma_interrupt.
8007 Insert deferred attributes. Check that interrupt attribute is
8008 present for other attributes that require its presence.
8009 (sh_attribute_table): Add new attributes trapa_handler and
8011 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8012 Don't check for pragma_interrupt. Don't store argument.
8013 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8014 (sh_deferred_function_attributes): Declare.
8015 (sh_deferred_function_attributes_tail): Likewise.
8016 * sh.md (sp_switch_1): Add operand. Change generator caller.
8017 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8018 (*return_i): Don't use when trap_exit attribute is in effect.
8019 (*return_trapa): New insn pattern.
8021 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8022 setting c_target_objs and cxx_target_objs.
8023 * t-sh: Add rule for sh-c.o.
8025 2006-01-30 Richard Guenther <rguenther@suse.de>
8028 * gimplify.c (gimplify_target_expr): Handle easy cases
8029 without creating a temporary.
8031 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8033 * vec.h (safe_grow): Remove duplicated line.
8035 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8038 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8039 (expand_omp): ... here.
8040 (expand_omp_parallel): Only remove barriers for combined
8041 parallel+workshare constructs.
8043 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8047 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8048 * tree.c (build_qualified_type): Chain the new type to the original
8049 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8050 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8051 (build_pointer_type_for_mode): Only return unqualified types.
8052 (build_reference_type_for_mode): Likewise.
8054 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8056 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8057 * Makefile.in (CXX_COMPAT_WARN): Define.
8058 * configure: Regenerate.
8060 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8063 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8066 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8068 * toplev.c: Fix thinko.
8070 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8071 Marcin Dalecki <martin@dalecki.de>
8073 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8074 (push_srcloc): Use XNEW.
8075 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8077 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8079 * df-core.c (df_set_blocks): Deleted all variable.
8081 2006-01-28 Ian Lance Taylor <ian@airs.com>
8083 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8084 cgraph_output_pending_asms.
8086 2006-01-28 Zack Weinberg <zackw@panix.com>
8088 * c.opt: Add -W(no-)overlength-strings.
8089 * doc/invoke.texi: Document it.
8090 * c-opts.c (c_common_handle_option): -pedantic implies
8091 -Woverlength-strings, if not explicitly disabled already.
8092 (c_common_post_options): -Woverlength-strings defaults to off, and
8093 is always off for C++.
8094 * c-common.c (fix_string_type): Issue warning about strings longer
8095 than is portable only if warn_overlength_strings. Rearrange code
8096 a little for clarity.
8097 * configure.in: Check for -Wno-overlength-strings as well before
8098 enabling -pedantic in stage 1.
8099 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8100 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8102 * genconditions.c (write_header, write_one_condition)
8103 (write_conditions, write_writer): Consolidate very long strings
8104 that were broken up to fit in C89 portable limit. Don't use
8105 printf when fputs will do.
8107 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8109 * combine.c (simplify_comparison <AND>): Check
8110 TRULY_NOOP_TRUNCATION before start using a subreg.
8112 * config/mips/mips.md (*branch_zero<mode>,
8113 *branch_zero<mode>_inverted, *branch_equality<mode>,
8114 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8115 Remove mode check from comparisons.
8117 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8119 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8121 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8123 * expmed.c (const_mult_add_overflow_p): Remove.
8124 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8126 * recog.c (validate_replace_rtx_subexp): Remove.
8127 * recog.h: Remove the prototype for
8128 validate_replace_rtx_subexp.
8130 * integrate.h: Remove the prototype for
8131 copy_decl_for_inlining.
8132 * rtl.h: Remove the prototype for mark_constant_function.
8133 * tree-vectorizer.h: Remove the prototype for
8134 vect_strip_conversion.
8136 * modulo-sched.c (create_partial_schedule,
8137 free_partial_schedule, reset_partial_schedule): Make them
8140 * hooks.c (hook_bool_rtx_int_false): Remove.
8141 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8143 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8145 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8146 and -mlong-double-128 are incompatible.
8147 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8148 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8149 (TARGET_LIBGCC2_CFLAGS): Define.
8150 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8151 (TARGET_LIBGCC2_CFLAGS): Same.
8152 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8154 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8157 * c-typeck.c (build_binary_op): Perform implicit casts of
8158 operands before shortening them.
8160 * cfgloopmanip.c (split_loop_bb): Remove.
8161 * cfgloop.h: Remove the prototype for split_loop_bb.
8163 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8164 * cfgloop.h: Remove the prototype for
8165 flow_loop_outside_edge_p.
8167 * emit-rtl.c (init_virtual_regs): Make it static.
8168 * function.h: Remove the prototype for init_virtual_regs.
8170 * recog.c (peephole2_optimize): Make it static.
8171 * recog.h: Remove the prototype for peephole2_optimize.
8173 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8175 * df-scan.c (df_record_entry_block_defs): Check if
8176 INCOMING_RETURN_ADDR_RTX is defined.
8178 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8179 Kenneth Zadeck <zadeck@naturalbridge.com>
8181 PR rtl-optimization/24762
8182 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8183 * targhooks.c (hook_void_bitmap): New hook prototype.
8184 * targhoohs.h (hook_void_bitmap): Ditto.
8185 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8186 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8187 * target.h (live_on_entry): New function pointer.
8188 * df-scan.c (df_all_hard_regs): Removed.
8189 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8190 (df_scan_free_internal): Added df->entry_block_defs.
8191 (df_scan_alloc): Ditto.
8192 (df_scan_dump): Ditto.
8193 (df_uses_record): Plumbed flag field properly thru calls.
8194 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8195 This part fixes PR24762.
8196 (df_bb_refs_record): Added code to make the frame and arg
8197 pointers live in EH blocks.
8198 (df_refs_record): Added call to df_record_entry_block_defs.
8199 (df_record_entry_block_defs): New function.
8200 * df-core.c: Added comments to describe new artifical defs.
8201 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8202 (entry_block_defs): New field in struct df.
8203 (df_all_hard_regs): Deleted.
8204 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8205 * df-problems.c (df_ru_bb_local_compute_process_def):
8206 Added code to handle artifical defs in the entry to a function.
8207 (df_ru_bb_local_compute): Ditto.
8208 (df_rd_bb_local_compute_process_def): Ditto.
8209 (df_rd_bb_local_compute): Ditto.
8210 (df_lr_bb_local_compute): Ditto.
8211 (df_ur_bb_local_compute): Ditto.
8212 (df_urec_bb_local_compute): Ditto.
8213 (df_chain_create_bb): Ditto.
8214 (df_ur_local_finalize): Removed entry.
8215 (df_urec_init): Ditto.
8216 (df_urec_local_finalize): Ditto.
8217 (df_ri_bb_compute): Added detection of last use of pseudos.
8218 * Makefile.in (df-scan.o): Updated dependencies.
8219 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8220 * config/mips/mips.c (mips_set_live_on_entry): Added.
8221 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8223 * dce.c (marked_insn_p): Added code to handle artifical defs.
8225 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8227 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8229 (_mm_cvtsi128_si64): Likewise.
8230 (_mm_cvtsd_si64): Likewise.
8231 (_mm_cvttsd_si64): Likewise.
8232 (_mm_cvtsi64_sd): Likewise.
8233 (_mm_cvtsi64_si128): Likewise.
8234 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8235 (_mm_cvtsi64_m64): Likewise.
8236 (_m_to_int64): Likewise.
8237 (_mm_cvtm64_si64): Likewise.
8238 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8239 (_mm_cvttss_si64): Likewise.
8240 (_mm_cvtsi64_ss): Likewise.
8241 (_mm_cvtss_f32): Likewise.
8243 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8245 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8246 for pragma redefine_extname.
8248 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8251 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8252 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8253 -mno-minimal-toc to previous content.
8254 (bispecs): Remove goal.
8255 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8256 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8257 compatibility aliases on powerpc-*-*gnu*.
8258 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8259 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8260 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8261 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8262 (ldblspecs): New goal.
8263 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8264 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8266 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8267 L_sf_to_tf or L_df_to_tf is defined.
8269 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8270 Alan Modra <amodra@bigpond.net.au>
8273 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8274 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8275 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8276 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8277 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8278 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8279 (rs6000_override_options): Initialize rs6000_ieeequad.
8280 Initialize TFmode format to ibm_extended_format if not
8282 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8284 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8285 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8286 (function_arg_advance): IBM long double passed in two FPRs, not
8288 (function_arg): IBM long double passed in FPRs.
8289 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8290 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8291 Only multireg GPR aligned.
8292 (rs6000_init_libfuncs): Enable IBM long double functions if not
8294 (rs6000_generate_compare): Use IBM long double compare if not
8296 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8297 (TARGET_IEEEQUAD): Define.
8298 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8299 not TARGET_IEEEQUAD.
8300 * config/rs6000/rs6000.md: Enable TFmode patterns if
8302 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8303 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8304 and -mlong-double-128 are incompatible.
8305 * doc/invoke.texi (-mabi): Collect options together. Add
8306 ibmlongdouble and ieeelongdouble.
8308 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8310 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8312 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8313 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8314 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8315 * rtl.h (rtunion_def): Remove rt_ptr.
8317 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8318 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8319 * config/i386/winnt.c (i386_pe_mark_dllexport)
8320 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8322 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8324 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8326 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8330 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8331 pthread_key_delete. From John David Anglin. gthrw-ify
8332 pthread_getunique_np only if it it's not a macro. Delete
8334 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8335 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8336 __gthread_objc_condition_signal, __gthread_key_delete): Add
8337 "__attribute__ ((__unused__))" to unused arguments.
8338 (__gthread_recursive_mutex_init_function): Add missing return.
8339 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8340 gthr-posix95.h: Use macro-based approach for name redirection
8341 on targets missing weakref.
8343 2006-01-26 Zack Weinberg <zackw@panix.com>
8345 * genconditions.c (write_header): In generated code, #ifdef out
8346 all includes and fake declarations, except includes of bconfig.h
8347 and system.h, unless GCC_VERSION >= 3001. Do not include
8348 gensupport.h in any case.
8349 (write_conditions): Generate a definition of struct c_test. Add
8350 a comment to the generated #endif.
8351 (write_one_condition): Escape backslashes in string too.
8352 (write_writer): Generated code must escape backslashes and quote
8353 marks (but not newlines) in the strings it writes.
8354 * Makefile.in (build/gencondmd.o): Update dependencies.
8356 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8359 * Makefile.in (insn-automata.o): Add header file dependencies.
8360 * genautomata.c: Add includes.
8362 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8365 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8367 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8369 * configure.ac: Expect target tools paths to be passed from the toplevel
8370 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8372 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8374 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8377 * c.opt (Wpointer-sign): Init to -1.
8378 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8379 OPT_pedantic, to 0 otherwise.
8380 * doc/invoke.texi: Update.
8382 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8384 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8385 constants provided by 80387 instructions in the destination mode.
8387 2006-01-26 Richard Guenther <rguenther@suse.de>
8388 Andrew Pinski <pinskia@physics.uc.edu>
8391 partial PR tree-opt/17064
8392 * tree-ssa-structalias.c (intra_create_variable_infos):
8393 Create heap variables for incoming parameters if
8394 flag_argument_noalias > 1.
8395 (find_what_p_points_to): Look through default defs of
8398 2006-01-26 Jeff Law <law@redhat.com>
8401 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8402 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8403 within the VR_RANGE, use the VR_RANGE as the result, not the
8405 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8406 bounds for the type.
8408 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8410 * tree-ssa-alias.c (maybe_create_global_var): Change
8411 subvar walking to an assertion that we don't have subvar'd variables.
8413 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8416 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8417 Use a new variable, inner. PARM_DECLs are always non-weak.
8419 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8421 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8424 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8426 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8428 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8430 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8431 (smax_insn, smin_insn, smax_0, smin_0): New.
8433 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8436 * config/cris/cris.c (cris_order_for_addsi3): New function.
8437 * config/cris/cris-protos.h: Prototype it.
8438 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8439 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8440 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8441 (split for "op.S1 [rx=rx+i],ry (swapped)")
8442 (split for "op(s|u).S1 [rx=rx+i],ry")
8443 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8444 Apply cris_order_for_addsi3 when generating addsi3 insns.
8446 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8448 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8449 (TREE_BLOCK): Add call to EXPR_CHECK.
8451 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8454 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8455 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8456 (dump_omp_clauses): ... here.
8457 (dump_generic_node): Handle OMP_CLAUSE.
8458 * tree.c (omp_clause_num_ops): New.
8459 (omp_clause_code_name): New.
8460 (tree_code_size): Handle OMP_CLAUSE.
8461 (tree_size): Likewise.
8462 (make_node): Document handling of OMP_CLAUSE.
8463 (tree_node_structure): Handle OMP_CLAUSE.
8464 (omp_clause_check_failed): New.
8465 (omp_clause_range_check_failed): New.
8466 (omp_clause_operand_check_failed): New.
8467 (build_omp_clause): New.
8468 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8469 * tree.h (enum omp_clause_code): Declare.
8470 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8471 (OMP_CLAUSE_RANGE_CHECK): Define.
8472 (OMP_CLAUSE_ELT_CHECK): Define.
8473 (omp_clause_check_failed): Declare.
8474 (omp_clause_operand_check_failed): Declare.
8475 (omp_clause_range_check_failed): Declare.
8476 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8477 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8478 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8479 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8480 (OMP_CLAUSE_IF_EXPR): Likewise.
8481 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8482 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8483 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8484 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8485 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8486 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8487 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8488 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8489 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8490 (OMP_CLAUSE_CODE): Define.
8491 (OMP_CLAUSE_SET_CODE): Define.
8492 (OMP_CLAUSE_CODE): Define.
8493 (OMP_CLAUSE_OPERAND): Define.
8494 (struct tree_omp_clause): Declare.
8495 (union tree_node): Add field 'omp_clause'.
8496 * treestruct.def (TS_OMP_CLAUSE): Define.
8497 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8498 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8499 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8500 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8501 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8502 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8503 (OMP_CLAUSE): Define.
8504 * print-tree.c (print_node): Handle OMP_CLAUSE.
8505 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8506 * c-typeck.c: Likewise.
8507 * gimplify.c: Likewise.
8508 * c-omp.c: Likewise.
8509 * tree-nested.c: Likewise.
8510 * tree-inline.c: Likewise.
8511 * c-parser.c: Likewise.
8512 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8515 2006-01-25 Roger Sayle <roger@eyesopen.com>
8517 PR rtl-optimization/25703
8518 * combine.c (try_combine): Handle zero_extract and strict_low_part
8519 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8521 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8523 * global.c: Fix comment typos.
8525 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8528 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8529 Use output_addr_const instead of assemble_name.
8531 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8533 * Makefile.in (sched-vis.o): Update dependencies.
8534 * haifa-sched.c (sched_finish): Clear current_sched_info.
8535 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8536 (dump_flow_info): Call it.
8537 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8539 * basic-block.h (dump_bb_info): Declare.
8540 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8541 option, and apply options only for dump files whose TDF_RTL,
8542 TDF_TREE, or TDF_IPA bits match.
8543 * rtl.h: Declare new functions exported from sched-vis.c.
8544 * sched-vis.c: Enable also if scheduling is not used.
8545 (print_value): Print the mode of registers if not inside scheduling.
8546 (print_insn): Make it work outside the scheduler. Beautify the output
8548 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8550 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8552 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8553 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8554 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8555 depending on the value of CONSTANT_POOL_ADDRESS_P.
8556 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8558 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8559 rather than SYMBOL_REF_DECL.
8560 (rtx_constant_pool): Remove const_rtx_sym_htab.
8561 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8562 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8563 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8564 Remove handling of const_rtx_sym_htab.
8565 (find_pool_constant): Delete.
8566 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8567 rather than find_pool_constant.
8568 (get_pool_constant_for_function): Delete.
8569 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8571 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8572 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8573 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8574 (SYMBOL_REF_CONSTANT): New macro.
8575 (get_pool_constant_for_function): Delete.
8576 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8577 rather than SYMBOL_REF_DECL.
8578 (i386_pe_mark_dllimport): Likewise.
8579 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8580 rather than SYMBOL_REF_DECL.
8581 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8582 (machopic_indirect_call_target): Likewise.
8584 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8586 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8588 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8590 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8592 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8594 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8596 2006-01-24 David Daney <ddaney@avtrex.com>
8599 * configure.ac (enable_tls): New enable option.
8600 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8601 * configure: Regenerate.
8602 * doc/install.texi (--enable-tls): Document new option.
8603 (--disable-tls): Ditto.
8605 2006-01-24 Richard Henderson <rth@redehat.com>
8607 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8608 * alias.c (true_dependence): Respect it.
8609 (canon_true_dependence, write_dependence_p): Likewise.
8610 * builtins.c (get_builtin_sync_mem): Set it.
8612 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8614 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8617 2006-01-24 DJ Delorie <dj@redhat.com>
8619 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8620 for storing constants in single-bit bitfields.
8622 2006-01-25 Ben Elliston <bje@au.ibm.com>
8624 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8626 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8629 * tree-ssa-pre.c (phi_translate): Return NULL
8630 for AGGREGATE_TYPE's.
8632 2006-01-24 Zack Weinberg <zackw@panix.com>
8634 * genautomata.c (process_state_for_insn_equiv_partition):
8635 Use xcalloc for insn_arcs_array.
8636 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8637 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8639 2006-01-24 Richard Henderson <rth@redhat.com>
8641 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8644 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8646 PR rtl-optimization/25890
8647 PR rtl-optimization/25905
8648 * combine.c (expand_compound_operation, expand_field_assignment):
8649 Fail if the bitfield's final position is out of bounds.
8651 2006-01-24 Ian Lance Taylor <ian@airs.com>
8654 * cgraphunit.c (cgraph_output_in_order): Don't clear
8655 cgraph_asm_nodes until after asm strings have been output.
8657 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8659 * fix-header.c (read_scan_file): Add new parameter imultilib when
8660 calling register_include_chains.
8662 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8664 * omp-low.c: Update documentation.
8666 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8667 Daniel Berlin <dberlin@dberlin.org>
8671 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8672 return from the function.
8674 2006-01-22 Zack Weinberg <zackw@panix.com>
8676 * rtl.def (match_code): Add second argument.
8677 * genpreds.c (write_extract_subexp): New function.
8678 (write_match_code): Add path argument. Use write_extract_subexp.
8679 (write_predicate_expr): Pass path to write_match_code.
8680 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8681 not perform a mode test.
8682 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8683 a subexpression does not constrain the top-level code set.
8684 * read-rtl.c (read_rtx_variadic): New function.
8685 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8686 * doc/md.texi: Document new notation.
8687 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8688 (cmpsi_operand): ... here, using new notation.
8690 2006-01-22 Zack Weinberg <zackw@panix.com>
8692 * varray.c: Remove GENERATOR_FILE #ifdefs.
8694 2006-01-22 Zack Weinberg <zackw@panix.com>
8696 * genautomata.c (output_reserved_units_table): Emit nothing if
8697 description->query_units_num is zero. Remove extra blank line.
8698 (output_cpu_unit_reservation_p): Short circuit
8699 if description->query_units_num is zero.
8701 2006-01-22 Zack Weinberg <zackw@panix.com>
8703 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8704 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8705 nor any of the random handful of variables that used to be necessary
8706 when this program was linked with rtlanal.o. Prune set of forward
8707 function declarations.
8708 (struct attr_desc): Remove static_p field.
8709 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8710 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8711 (attr_string): Do not read the character one past the length of
8713 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8714 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8715 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8716 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8717 (make_automaton_attrs): New.
8718 (main): Do not call into genautomata. Call local gen_bypass
8719 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8720 Remove special case for insn_alts.
8721 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8722 varray.h (leftover from previous change). Prune set of forward
8723 function declarations. Remove state_alts fields from all
8724 structures. Remove state_alts_table from struct automaton.
8725 Make everything except main static. Do not maintain num_dfa_decls.
8726 Do not maintain state_alts fields of various structures.
8727 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8728 (add_arc): Remove state_alts argument. All callers updated.
8729 (output_reserved_units_table): Emit #ifdef here...
8730 (output_tables): ...not here. Don't generate state_alts tables.
8731 (expand_automata): Don't generate attributes.
8732 (write_automata): Don't generate state_alts functions.
8733 (main): New function.
8734 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8735 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8736 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8737 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8738 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8739 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8740 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8741 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8743 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8744 * genattrtab.h: Delete file.
8745 * Makefile.in (OBJS-common): Add insn-automata.o.
8746 (insn-automata.o): New rule.
8747 (simple_generated_c): Add insn-automata.c.
8748 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8749 (genprogmd): Add automata.
8750 (build/genattrtab): Needs no extra objects nor libraries.
8751 (build/genautomata): Needs build/vec.o and -lm.
8753 2006-01-22 Zack Weinberg <zackw@panix.com>
8755 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8756 (output_dfa_max_issue_rate, locked_states_num): Delete.
8757 (struct automaton): Add locked_states field.
8758 (output_dead_lock_vect): Save number of locked states in
8759 automaton->locked_states. If it is zero, don't print anything.
8760 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8761 (output_internal_dead_lock_func): Only test the dead_lock_vect
8762 for automata that have locked states.
8763 (output_statistics): Always print the number of locked states for
8764 each automaton. Calculate total number of locked states here.
8765 (write_automata): Don't call output_dfa_max_issue_rate.
8766 * genattrtab.c: Define length_unit_log as a const variable.
8767 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8768 max_insn_queue_index const.
8769 * final.c (length_unit_log): Declare const.
8770 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8772 2006-01-22 Zack Weinberg <zackw@panix.com>
8774 * genautomata.c: Include vec.h, not varray.h.
8775 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8776 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8777 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8778 VEC_* macros operating on appropriately typed vectors, or to
8779 malloced arrays when the size is known in advance. Const-ify
8780 many char* variables and function arguments. No functional changes.
8781 * Makefile.in (build/varray.o): Delete rule.
8782 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8783 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8785 2006-01-22 Zack Weinberg <zackw@panix.com>
8787 * gensupport.c: Define get_insn_name and record_insn_name here.
8788 (read_md_rtx): Call record_insn_name as appropriate.
8789 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8790 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8791 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8793 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8794 (BUILD_VARRAY): Delete.
8795 (genprognormal): Rename genprogmd. Fold in all programs from
8796 genprognoprint; also attrtab.
8797 (build/genattrtab): Just mention genautomata.o and varray.o.
8798 Reorganize a bit, add comments to make the categories clearer.
8800 2006-01-22 Zack Weinberg <zackw@panix.com>
8802 * genconditions.c (condition_table, add_condition): Delete.
8803 (write_conditions): Don't emit n_insn_conditions nor
8804 insn_elision_unavailable. Issue the gcc version #ifdef here,
8805 inside the table, with no #else clause ...
8806 (write_header): ...not here.
8807 (write_writer): New function.
8808 (main): Don't initialize condition_table. Use add_c_test.
8810 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8811 files on the command line.
8812 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8813 Return -1 if there is no entry in the table, don't abort.
8814 (add_c_test, traverse_c_tests): New functions.
8815 * gensupport.h (insn_elision_unavailable, insn_conditions)
8816 (n_insn_conditions): Delete declarations.
8817 (add_c_test, traverse_c_tests): Declare.
8818 * read-rtl.c: Include gensupport.h.
8819 (read_conditions): New function.
8820 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8821 (read_rtx_1): If we get EOF when we were looking for an initial
8822 open paren, return 0. Call read_conditions when appropriate.
8823 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8824 dummy-conditions.o. Eliminate references to insn-conditions.o,
8825 or change them to build/gencondmd.o, as appropriate. Remove
8826 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8827 from $(simple_generated_c). For all files remaining in those
8828 two lists, add insn-conditions.md to the generator command line.
8829 Give insn-constants.h/s-constants their own rules. Add rules
8830 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8831 (build/read-rtl.o): Depend on gensupport.h.
8832 (genprognormal): Include preds.
8833 (genprogearly): Rename genprognoprint; only difference is now that
8834 they don't link with $(BUILD_PRINT).
8835 * dummy-conditions.c: Delete.
8837 2006-01-22 Zack Weinberg <zackw@panix.com>
8839 * genextract.c: Don't include insn-config.h. Do include vec.h.
8840 Declare vectors of int, char, and locstr.
8841 (locstr): New typedef.
8842 (struct extraction): Make all array fields into bare pointers.
8843 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8844 (insn_code_number): Delete.
8845 (accum_extract): New struct.
8846 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8847 (gen_insn): Take insn_code_number as an argument. Use an
8848 accum_extract structure instead of loading data directly into
8849 a struct extraction, and having to know how big it might get.
8850 (walk_rtx): Operate entirely on an accum_extract structure.
8851 (print_path): Avoid unnecessary use of printf.
8852 (print_header): New function, split out of main. Distinguish
8853 more carefully between an unrecognizable insn and an insn that
8854 has the code number of a define_expand.
8855 (main): Pass insn_code_number to gen_insn. Call print_header
8856 only after parsing. Avoid unnecessary use of printf.
8857 * Makefile.in (build/vec.o): New rule.
8858 (build/genextract): Depend on build/vec.o.
8859 (build/genextract.o): Don't depend on insn-config.h.
8861 2006-01-22 Zack Weinberg <zackw@panix.com>
8863 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8864 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8865 practical. Eliminate per-generator-program link rules.
8867 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8870 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8871 with a call expr to ...
8872 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8874 2006-01-23 Richard Guenther <rguenther@suse.de>
8876 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8877 before make_edge with conditional EDGE_TRUE_VALUE.
8879 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8880 Jan Hubicka <jh@suse.cz>
8881 Richard Guenther <rguenther@suse.de>
8883 PR rtl-optimization/25654
8884 * cfgexpand.c (aggregate_contains_union_type): New function.
8885 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8886 for structure variables that contain a union type.
8888 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8890 * gengtype.c (new_structure): Return the structure.
8891 (create_option): Add an extra "next" argument.
8892 (create_field): New function.
8893 (adjust_field_rtx_def): Use create_option and create_field.
8894 Remove a now-unnecessary call to find_structure.
8895 (adjust_field_tree_def): Likewise.
8896 (note_yacc_type): Remove an unnecessary call to find_structure.
8897 * gengtype.h (new_structure): Return the structure.
8898 (create_option): Add an extra argument.
8899 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8900 (option): Adjust calls to create_option.
8902 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8904 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8906 2006-01-22 Paul Brook <paul@codesourcery.com>
8907 Peter Barada <peter@the-baradas.com>
8909 * config/m68k/m68k.md: Add Coldfire FPU support.
8910 Define FP mode macro and associated attributes.
8911 Use it for float mode patterns.
8912 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8913 (LIBCALL_VALUE): Use m68k_libcall_value.
8914 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8915 (m68k_function_value): Ditto.
8916 (emit_move_sequence): Ditto.
8917 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8918 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8919 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8920 (MULTILIB_EXCEPTIONS): Ditto.
8921 * config/m68k/m68k.opt: Add mcfv4e.
8922 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8923 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8924 (m68k_output_function_prologue): Save ColdFire FPU registers.
8925 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8926 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8927 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8928 ColdFire FPU registers.
8929 (m68k_libcall_value, m68k_function_value): New functions.
8930 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8931 (LIBCALL_VALUE): Use m68k_libcall_value.
8932 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8933 (MASK_COLDFIRE): Add MASK_CFV4E.
8934 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8935 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8936 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8937 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8938 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8939 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8940 * doc/invoke.tex: Document -mcfv4e on m68k.
8942 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8944 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8947 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8950 * c-opts.c (c_common_handle_option): Don't include
8951 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8952 * doc/invoke.texi (C++ Dialect Options): Document that
8953 -Wnon-virtual-dtor is no longer included in -Wall.
8955 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8957 * gcov.c (print_version), gcov-dump.c (print_version),
8958 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8961 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8963 * df-scan.c (problem_SCAN): Added NULL reset function.
8964 (df_scan_reset_blocks): Added code to call reset block function
8965 (df_bb_refs_delete) Fixed comment.
8966 (df_insn_refs_delete): Made tolerant of deleting non existent info
8967 for dataflow problems that need to be reset.
8968 * df-core.c (df_set_blocks): Ditto.
8969 * df.h (struct df_problem): Added reset_fun.
8970 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8971 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8972 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8973 functions to clear out all references to def-use or use-def chains.
8975 2006-01-21 Ben Elliston <bje@au.ibm.com>
8977 * varasm.c (assemble_real): Initialise data array.
8979 2006-01-20 Paul Brook <paul@codesourcery.com>
8981 Merge from csl-arm-branch.
8982 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8983 * config/arm/arm.md (movdi): Force operands[1] to a register
8984 if we have a non-register source.
8985 (*arm_movdi, *movdf_soft_insn): Require that one of the
8986 operands be a register.
8987 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8988 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8990 2006-01-20 DJ Delorie <dj@redhat.com>
8992 * varasm.c (initialize_constant_valid_p): Allow pointers
8993 initialized from integer constants of lesser precision.
8994 (output_constant): Allow non-int-sized pointer modes to be
8995 initialized from integer constants.
8997 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9000 * cppdefault.h (struct default_include): Add multilib flag.
9001 * cppdefault.c (cpp_include_defaults): Set it.
9002 * c.opt (-imultilib): New option.
9003 * c-opts.c (imultilib): New.
9004 (c_common_handle_option): Handle -imultilib.
9005 (c_common_post_options): Likewise.
9006 * c-incpath.c (add_standard_paths, register_include_chains):
9008 * c-incpath.h (register_include_chains): Add extra parameter.
9009 * gcc.c (do_spec_1): Generate -imultilib option.
9010 (The Specs Language): Update %I description.
9011 (process_command): Update copyright notice.
9012 * doc/cppopts.texi (-imultilib): Document.
9013 * doc/invoke.texi (-imultilib): Include in option summary.
9014 (%I): Update specs documentation.
9016 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9018 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9020 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9022 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9025 2006-01-20 Richard Guenther <rguenther@suse.de>
9026 Steven Bosscher <stevenb.gcc@gmail.com>
9028 PR rtl-optimization/24626
9029 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9030 EDGE_TRUE_VALUE if in RTL mode.
9033 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9034 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9036 2006-01-20 Dirk Mueller <dmueller@suse.com>
9039 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9040 instead of a special NOP marker.
9041 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9042 NOP marker handling.
9043 * c-common.h (empty_body_warning): Add forward declaration.
9044 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9045 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9047 2006-01-20 Paul Brook <paul@codesourcery.com>
9049 * Makefile.in (lang_checks): Keep going if mkdir fails.
9051 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9053 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9054 be able to clean out basic block when not necessary.
9055 (df_scan_free): Fixed to properly delete information if df is
9056 unused before calling df_finish.
9057 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9058 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9060 (df_bb_refs_delete): New function.
9061 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9062 * df-core.c (df_set_blocks): Added code to properly clean out
9063 unused blocks if they are not part of the blocks to consider.
9064 Added additional null check.
9065 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9066 be able to clean out basic block when not necessary
9067 * df.h (df_free_bb_function): Ditto.
9068 (df_bb_refs_delete): New function.
9069 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9070 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9071 basic block parameter to be able to clean out basic block when not
9073 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9074 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9075 Fixed to properly delete information if df is unused before
9078 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9080 PR rtl-optimization/25799
9081 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9082 Corrected confluence operator to remove bits from op2 before oring
9083 with op1 rather than removing bits from op1.
9084 (df_ru_transfer_function): Corrected test on wrong bitmap which
9085 caused infinite loop. Both of these problems were introduced in
9086 the dataflow rewrite.
9088 2006-01-19 DJ Delorie <dj@redhat.com>
9090 * reload1.c (find_reload_regs): Note the details of reload
9091 failures in the dump file.
9092 (spill_failure): Likewise.
9094 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9096 * loop-iv.c: Include df.h and hashtab.h.
9097 (enum iv_grd_result): New enum.
9098 (DF_REF_IV, DF_REF_IV_SET): New macros.
9099 (struct biv_entry): New.
9100 (df, bivs): New global variables.
9101 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9102 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9104 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9105 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9106 analyzed_for_bivness_p, record_biv): New functions.
9107 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9108 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9109 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9111 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9113 (iv_number_of_iterations): Use new interface to iv analysis.
9114 * loop-unroll.c: Do not include varray.h.
9115 (analyze_iv_to_split_insn): Use new interface to iv
9117 * loop-unswitch.c (may_unswitch_on): Ditto.
9118 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9120 (df_bb_modify): Realloc tables to the new index.
9121 (df_find_use): New function.
9122 * df.h (df_find_use): Declare.
9123 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9125 * cfgloop.h (struct rtx_iv): Remove analysed field.
9126 (iv_get_reaching_def): Removed.
9127 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9128 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9129 (loop-iv.o): Add df.h and hashtab.h dependency.
9130 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9132 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9135 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9137 (__floatundisf, __floatundidf): Likewise.
9138 * libgcc2.h (IS_IBM_EXTENDED): Define.
9140 2006-01-19 DJ Delorie <dj@redhat.com>
9142 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9144 2006-01-19 Paul Brook <paul@codesourcery.com>
9146 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9147 as nothrow when unwinding tables are disabled.
9149 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9152 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9153 of bit-field" when in system header.
9155 2006-01-19 DJ Delorie <dj@redhat.com>
9157 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9158 the 16 bit shift limit of the m16c.
9160 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9163 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9164 * config/i386/i386.c (output_set_got): Output the label if we have one
9165 for the TARGET_DEEP_BRANCH_PREDICTION case.
9167 2006-01-19 Jan Hubicka <jh@suse.cz>
9168 H.J. Lu <hongjiu.lu@intel.com>
9169 Evandro Menezes <evandro.menezes@amd.com>
9171 * invoke.texi (generic): Document
9173 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9174 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9175 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9176 (x86_use_incdec, x86_pad_returns): New variables
9177 (TARGET_CPU_DEFAULT_generic): New constant
9178 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9179 (enum processor_type): Add generic32 and generic64.
9180 * i386.md (cpu attribute): Add generic32/generic64
9181 (movhi splitter): Behave sanely when both partial_reg_dependency and
9182 partial_reg_stall are set.
9183 (K8 splitters): Enable for generic as well.
9184 * predicates.md (incdec_operand): Use TARGET_INCDEC
9185 (aligned_operand): Avoid memory mismatch stalls.
9186 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9187 * ppro.md: Enable for generic32
9188 * i386.c (generic64_cost, generic32_cost): New.
9189 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9190 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9191 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9192 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9193 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9194 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9195 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9196 x86_accumulate_outgoing_args, x86_prologue_using_move,
9197 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9198 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9200 (x86_use_incdec, x86_pad_returns): New.
9201 (override_options): Add generic32 and generic64, translate "generic"
9202 to generic32/generic64 and "i686" to "generic32", refuse
9203 "generic32"/"generic64" as arch target.
9204 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9205 (ix86_reorg): Honor PAD_RETURNS.
9207 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9209 * tree-pretty-print.c (dump_generic_node): Handle
9210 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9211 * cgraph.c (cgraph_expand_queue): Rename from
9212 cgraph_analyze_queue. Update all users.
9213 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9214 cgraph_expand_queue.
9215 (cgraph_expand_all_functions): Likewise.
9216 (cgraph_finalize_pending_functions): Remove. Update callers.
9218 * tree.h (OMP_DIRECTIVE_P): Define.
9219 (OMP_PARALLEL_FN): Define.
9220 (OMP_PARALLEL_DATA_ARG): Define.
9221 (OMP_SECTIONS_SECTIONS): Define.
9222 * tree-pass.h (pass_expand_omp): Declare.
9223 * omp-low.c (struct omp_region): Declare.
9224 (struct omp_context): Remove fields 'parallel_type',
9225 'parallel_start_ix' and 'parallel_start_additional_args'.
9227 (struct omp_for_data): Rename from struct expand_omp_for_data.
9228 (omp_regions): New static variable.
9229 (root_omp_region): New static variable.
9230 (find_omp_clause): Make static.
9231 (is_in_combined_parallel_ctx): Remove.
9232 (is_combined_parallel): New.
9233 (extract_omp_for_data): Move earlier in the file.
9234 (workshare_safe_to_combine_p): New.
9235 (get_ws_args_for): New.
9236 (determine_parallel_type): Move earlier in the file.
9237 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9239 (omp_copy_decl): Likewise.
9240 (create_omp_child_function): Likewise.
9241 (lookup_omp_region): New.
9242 (dump_omp_region): New.
9243 (debug_omp_region): New.
9244 (debug_all_omp_regions): New.
9245 (new_omp_region): New.
9246 (scan_omp_parallel): If parallel_nesting_level > 1, the
9247 directive is nested within another parallel directive.
9248 Set OMP_PARALLEL_FN.
9249 (scan_omp_for): Do not try to handle combined parallel+for
9251 Remove FIXME comment.
9252 (scan_omp_nested): Remove.
9253 (scan_omp_1): Do not call scan_omp_nested when
9254 parallel_nesting_level is > 1.
9255 Do not change the DECL_CONTEXT of local variables found.
9256 (lookup_decl_in_outer_ctx): New.
9257 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9258 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9259 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9260 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9261 If CTX is nested, lookup VAR in the outer context when
9262 building copy assignment.
9263 (lower_send_clauses): Rename from expand_send_clauses.
9264 If CTX is nested, lookup VAR in the outer context when
9265 building copy assignments.
9266 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9267 If CTX is nested, lookup VAR in the outer context when
9268 building copy assignments.
9269 (expand_parallel_call): Rename from build_parallel_call.
9270 Handle combined parallel+workshare cases.
9271 Re-implement to emit code into the CFG.
9273 (expand_omp_parallel): Re-implement to emit code into the CFG.
9274 Call move_sese_region_to_fn to outline the sub-graph
9275 containing the parallel region.
9276 (expand_omp_for_1): Remove.
9277 (expand_omp_for_generic): Re-implement to emit code into the
9279 (expand_omp_for_static_nochunk): Likewise.
9280 (expand_omp_for_static_chunk): Likewise.
9281 (expand_omp_for): Likewise.
9282 (expand_omp_sections): Likewise.
9283 (remove_exit_barriers): New.
9284 (expand_omp_synch): New.
9286 (build_omp_regions_1): New.
9287 (build_omp_regions): New.
9288 (execute_expand_omp): New.
9289 (gate_expand_omp): New.
9290 (pass_expand_omp): Define.
9291 (lower_omp_sections): Rename from expand_omp_sections.
9292 Set OMP_SECTIONS_SECTIONS.
9293 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9294 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9295 (lower_omp_single): Rename from expand_omp_simple.
9296 (lower_omp_master): Rename from expand_omp_master.
9297 (lower_omp_ordered): Rename from expand_omp_ordered.
9298 (lower_omp_critical): Rename from expand_omp_critical.
9299 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9300 (lower_omp_for): Re-implement.
9301 (lower_omp_parallel): Re-implement.
9302 (lower_regimplify): Rename from expand_regimplify.
9303 (lower_omp_1): Rename from expand_omp_1.
9304 If there are syntax errors in the program, replace every
9305 OpenMP directive with NOP.
9306 Call lower_omp_* instead of expand_omp_*.
9307 (lower_omp): Rename from expand_omp.
9309 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9310 * tree-gimple.h (enum omp_parallel_type): Remove.
9311 (gimple_boolify): Declare extern.
9312 (find_omp_clause, determine_parallel_type): Remove.
9314 * gimple-low.c (lower_omp_directive): New.
9315 (lower_stmt): Call it.
9316 (record_vars_into): Move from ...
9317 (record_vars): ... here.
9318 Call record_vars_into with current_function_decl.
9320 * gimplify.c (struct gimplify_ctx): Remove fields
9321 combined_pre_p and combined_ctxp. Update users.
9322 (get_formal_tmp_var): Add documentation.
9323 (gimple_boolify): Make extern.
9324 (gimplify_expr_in_ctx): Remove. Update callers.
9325 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9326 will always be a BIND_EXPR.
9327 (gimplify_expr): Handle OMP_RETURN_EXPR.
9328 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9329 (OMP_PARALLEL): Add 3 operands.
9330 (OMP_SECTIONS): Add 1 operand.
9331 (OMP_RETURN_EXPR): Define.
9333 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9334 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9335 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9336 creating a circular free list.
9337 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9339 * tree-flow.h (move_sese_region_to_fn): Declare.
9340 (record_vars_into): Declare.
9341 * tree-cfg.c (make_omp_sections_edges): New.
9342 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9343 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9344 OMP_SECTIONS and OMP_SECTION.
9345 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9346 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9347 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9348 (gather_blocks_in_sese_region): New.
9349 (struct move_stmt_d): Declare.
9351 (move_block_to_fn): New.
9352 (move_sese_region_to_fn): New.
9354 * passes.c (init_optimization_passes): Schedule
9355 pass_expand_omp after pass_init_datastructures.
9357 * tree-ssa-operands.c (get_expr_operands): Handle
9358 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9359 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9361 2006-01-19 Jeff Law <law@redhat.com>
9363 * tree-vrp.c (extract_range_from_assert): Refine the result range
9364 if the variable referenced by the ASSERT_EXPR has a range and
9365 either the tentative result range or the previous range is a
9368 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9370 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9372 2006-01-19 Jan Hubicka <jh@suse.cz>
9374 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9376 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9378 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9379 (expand_compound_operation, expand_field_assignment): Fail if the
9380 bit lengths of an extract operation are out of range.
9381 (make_extraction): Compute wanted_inner_mode based on the position
9382 and length of the extraction. Make it extraction_mode for non-constant
9383 positions, and do not modify offset in that case. When generating a
9384 new MEM, use a mode that can hold the extraction while keeping correct
9385 alignment. Remove code that supported MEMs wrapped by USEs.
9386 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9388 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9390 * config/s390/s390.md ("Y", "y"): New mode attribute.
9391 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9392 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9393 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9394 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9395 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9396 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9397 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9398 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9399 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9400 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9401 "addsi3", "subsi3"): Insn patterns removed.
9402 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9403 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9404 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9405 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9406 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9407 "*sub<mode>3_cconly2"): New insn patterns.
9408 ("addsi3", "subsi3"): New expanders.
9410 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9412 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9413 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9414 existing STMT_VINFO_VECTYPE if available.
9415 (vect_mark_relevant): Add special handling for stmts that are
9416 marked as STMT_VINFO_IN_PATTERN_P.
9417 (vect_analyze_loop): Call vect_pattern_recog.
9418 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9419 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9421 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9422 (vect_recog_func_ptr): New function-pointer type.
9423 * tree-vect-patterns.c: New file.
9424 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9425 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9426 (vect_pattern_recog_1): New functions.
9427 (vect_pattern_recog_funcs): New array of function pointers.
9429 * tree-vectorizer.h (ternary_op): New enum value.
9430 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9431 declaration. Revised documentation. Removed redundant dump prints.
9432 Removed redundant argument. Added support for reduction patterns.
9433 (vectorizable_reduction): Added support for reduction patterns.
9434 (vect_transform_stmt): Added support for patterns.
9436 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9437 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9438 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9439 (expand_widen_pattern_expr): New function.
9440 (init_optabs): Initialize new optabs udot_prod_optab,
9442 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9443 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9444 (expand_widen_pattern_expr): New function declaration.
9445 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9447 * tree-inline.c (estimate_num_insns_1): Added cases for new
9448 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9449 * tree-pretty-print.c (dump_generic_node): Likewise.
9450 (op_prio): Likewise.
9451 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9452 * tree-ssa-operands.c (get_expr_operands): Added case for
9454 * tree-vect-patterns.c (widened_name_p): New function.
9455 (vect_recog_dot_prod_pattern): Added function implementation.
9456 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9457 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9458 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9459 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9461 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9462 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9463 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9464 (init_optabs): Initialize new optabs widen_ssum_optab,
9466 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9467 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9468 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9469 use instead of type of def.
9470 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9471 function implementation.
9472 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9473 widen_ssumv8hi): New.
9475 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9478 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9481 * c-decl.c (add_flexible_array_elts_to_size): New function.
9482 (finish_decl): Use it.
9484 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9486 * diagnostic.h: Include options.h.
9487 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9488 dependancies for diagnostic.h.
9489 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9491 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9493 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9494 (ssa_ro_call_cache_valid): Ditto.
9495 * tree-ssa-alias.c (sort_tags_by_id): New function.
9496 (init_transitive_clobber_worklist): Ditto.
9497 (add_to_worklist): Ditto.
9498 (mark_aliases_call_clobbered): Ditto.
9499 (compute_tag_properties): Ditto.
9500 (set_initial_properties): Ditto.
9501 (compute_call_clobbered): Ditto.
9502 (compute_may_aliases): Call compute_call_clobbered and grouping.
9503 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9504 (compute_flow_insensitive_aliasing): Grouping now happens in our
9506 (setup_pointers_and_addressables): Remove clobbering related code.
9507 (add_may_alias): Ditto.
9508 (replace_may_alias): Ditto.
9509 (get_nmt_for): Ditto.
9510 (create_global_var):
9511 (is_escape_site): Return an escape_type enumeration.
9512 * tree-flow-inline.h (is_call_clobbered): Global var does not
9513 imply call clobbered.
9514 (mark_call_clobbered): Take a reason for marking this. Remove
9515 marking of globalness, and cache invalidation.
9516 (clear_call_clobbered): Remove cache invalidation code.
9517 * tree-dfa.c (dump_variable): If details is on, dump the reason
9519 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9521 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9522 (struct var_ann_d): Ditto.
9523 (enum escape_type): New.
9524 (mark_call_clobbered): Adjust prototype.
9525 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9526 are never call clobbered.
9527 Record reasons for escaping.
9528 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9529 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9530 (ssa_ro_call_cache_valid): Ditto.
9531 (clobbered_v_may_defs): Ditto.
9532 (clobbered_vuses): Ditto.
9533 (ro_call_vuses): Ditto.
9534 (clobber_stats): New.
9535 (init_ssa_operands): Zero out clobber stats.
9536 (fini_ssa_operands): Print out clobber stats.
9537 (get_call_expr_operands): Pass callee fndecl to
9539 (add_call_clobber_ops): Remove use of cache.
9540 Add use of PURE_CONST information.
9541 (add_call_read_ops): Remove use of cache.
9542 Add use of static not_read information.
9544 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9546 Introduce TLS descriptors for i386 and x86_64.
9547 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9548 (TARGET_ANY_GNU_TLS): New macro.
9549 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9550 (struct machine_function): Add tls_descriptor_call_expanded_p.
9551 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9552 (ix86_current_function_calls_tls_descriptor): Likewise.
9553 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9554 (override_options): Introduce gnu2 tls dialect.
9555 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9557 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9559 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9560 (ix86_init_machine_status): Initialize new field.
9561 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9562 (ix86_tls_module_base): New.
9563 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9564 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9565 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9566 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9567 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9568 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9569 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9570 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9571 * config/i386/predicates.md (tls_modbase_operand): New.
9572 (tp_or_register_operand): New.
9574 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9576 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9577 (look_for_address_of): Ditto.
9578 (ipa_init): Walk the function decls.
9579 (static_execute): Don't set readonly on FUNCTION_DECL's.
9581 2006-01-18 Roger Sayle <roger@eyesopen.com>
9583 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9584 for shifts where the source and destination registers are different.
9586 2006-01-18 Paul Brook <paul@codesourcery.com>
9588 Merge from csl-arm-branch.
9589 2005-03-14 Julian Brown <julian@codesourcery.com>
9590 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9591 (aeabi_llsl): Likewise.
9592 (ashrdi3): Likewise.
9593 (aeabi_lasr): Likewise.
9594 (lshrdi3): Likewise.
9595 (aeabi_llsr): Likewise.
9596 2005-03-10 Julian Brown <julian@codesourcery.com>
9597 * config.gcc: Disable shared libgcc for SymbianOS.
9598 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9600 2006-01-18 DJ Delorie <dj@redhat.com>
9602 * c-pragma.c (handle_pragma_diagnostic): New.
9603 (init_pragma): Register it.
9604 * doc/extend.texi: Document it.
9606 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9607 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9608 (diagnostic_context): Add classify_diagnostic[].
9609 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9610 as errors if they're overridden to DK_WARNING.
9611 (diagnostic_initialize): Initialize classify_diagnostic[].
9612 (diagnostic_set_kind_override): New.
9613 (diagnostic_report_diagnostic): Check for kind changes.
9614 * opts.c (common_handle_option): Take lang_mask. Update callers.
9616 * common.opt (Werror=): New.
9617 * doc/invoke.texi: Document -Werror=*
9619 2006-01-18 Jeff Law <law@redhat.com>
9621 * tree-vrp.c (test_for_singularity): Correct test for new
9622 min limit. Use operand_equal_p rather than pointer equality
9623 for testing if new min/max values are equal.
9625 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9626 using range information until after propagation and folding.
9628 2006-01-18 Richard Henderson <rth@redhat.com>
9629 Aldy Hernandez <aldyh@redhat.com>
9630 Jakub Jelinek <jakub@redhat.com>
9631 Diego Novillo <dnovillo@redhat.com>
9633 * omp-low.c: New file.
9634 * c-omp.c: New file.
9636 2006-01-18 Richard Henderson <rth@redhat.com>
9637 Jakub Jelinek <jakub@redhat.com>
9638 Diego Novillo <dnovillo@redhat.com>
9640 * doc/invoke.texi: Document -fopenmp.
9641 * tree-dump.h (debug_function): Declare.
9642 * hooks.c (hook_bool_tree_bool_false): New function.
9643 (hook_tree_tree_null): Remove.
9644 (hook_tree_tree_tree_null): New.
9645 * hooks.h: Update to match.
9646 * tree-pretty-print.c (debug_tree_chain): New.
9647 (print_generic_expr): Handle TDF_CHAIN.
9648 (dump_generic_node): Handle BLOCK.
9649 Do not abort with incomplete SWITCH_EXPRs.
9650 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9651 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9652 print space after directive name.
9653 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9654 Handle OMP_MASTER and OMP_ORDERED.
9655 Handle printing of OMP_BODY just in one place, goto
9656 dump_omp_body in the rest of OMP_* nodes that have
9658 Don't handle clause nodes here. Update omp statements to
9659 use dump_omp_clauses.
9660 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9661 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9662 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9663 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9664 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9665 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9666 Adjust output for GOMP_PARALLEL.
9667 (dump_omp_clauses): New.
9668 (print_declaration): Dump DECL_VALUE_EXPR.
9669 (op_symbol_1): Split out of op_symbol.
9670 (dumping_stmts): Remove. Update all users.
9671 * cgraph.c (cgraph_analyze_queue): New.
9672 (cgraph_add_new_function): New.
9673 * cgraph.h (cgraph_analyze_queue): Declare.
9674 (cgraph_add_new_function): Declare.
9675 (cgraph_lower_function): Remove.
9676 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9677 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9678 and TYPE_P nodes in its default clause.
9679 (empty_body_p): New.
9680 (tree_range_check_failed): New.
9682 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9683 OMP_CLAUSE_REDUCTION_MERGE,
9684 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9685 OMP_CLAUSE_PRIVATE_DEBUG,
9686 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9687 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9688 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9689 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9690 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9691 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9692 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9693 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9694 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9695 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9696 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9697 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9698 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9699 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9700 (TREE_RANGE_CHECK): New.
9701 (empty_body_p): Declare.
9702 (enum omp_clause_default_kind): New.
9703 (build_string_literal): Declare.
9704 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9705 (build5_stat, build5): Declare.
9706 * tree-pass.h (TDF_CHAIN): Define.
9707 * tree-pass.h (PROP_gimple_lomp): Define.
9708 (pass_lower_omp): Declare.
9709 * diagnostic.h (debug_tree_chain): Declare.
9710 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9712 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9713 * builtins.c (build_string_literal): Make extern.
9714 * gcc.c (include_spec_function): New.
9715 (static_spec_functions): Add it.
9716 (main): Move load of libgomp.spec ...
9717 (LINK_COMMAND_SPEC): ... here.
9718 (link_gomp_spec): New.
9719 (static_specs): Include it.
9720 (LINK_COMMAND_SPEC): Add link_gomp.
9721 (GOMP_SELF_SPECS): New.
9722 (driver_self_specs): Include it.
9723 (switch_matches): Don't mark inline.
9724 (main): Load libgomp.spec.
9725 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9726 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9727 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9728 * tree-gimple.h (enum omp_parallel): Declare.
9729 (determine_parallel_type): Declare.
9730 (omp_firstprivatize_variable): Declare.
9731 (omp_reduction_init): Declare.
9732 (diagnose_omp_structured_block_errors): Declare.
9733 (struct walk_stmt_info): Add want_return_expr.
9734 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9735 (find_omp_clause): Declare.
9736 (insert_field_into_struct): Declare.
9737 (struct walk_stmt_info): Move from tree-nested.c
9738 (walk_stmts): Declare.
9739 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9741 * cgraphunit.c (cgraph_lower_function): Make static.
9742 (cgraph_finalize_pending_functions): New.
9743 (cgraph_finalize_function): Call it.
9744 (cgraph_finalize_compilation_unit): Likewise.
9745 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9746 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9747 (BT_FN_UINT_UINT): New.
9748 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9749 DEF_FUNCTION_TYPE_VAR_4): Document.
9750 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9751 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9752 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9753 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9754 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9755 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9756 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9757 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9758 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9759 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9760 into separate files.
9761 (DEF_GOMP_BUILTIN): New.
9762 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9763 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9764 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9765 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9766 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9767 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9768 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9769 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9770 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9771 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9772 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9773 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9774 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9775 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9776 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9777 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9778 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9779 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9780 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9781 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9782 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9783 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9784 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9785 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9786 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9787 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9788 * sync-builtins.def: New file, moved from builtins.def.
9789 * omp-builtins.def: New file, moved from builtins.def.
9790 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9791 * gimple-low.c (lower_function_body): Clear data.
9792 (lower_stmt): Do not handle COMPOUND_EXPR.
9793 Remove call to print_node_brief.
9794 * c-tree.h (c_finish_omp_clauses): New prototype.
9795 (C_DECL_THREADPRIVATE_P): Define.
9796 (lookup_name_no_remap, c_omp_remap_private): Remove
9797 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9798 (check_for_loop_decls): Update decl.
9799 (lookup_name_no_remap, c_omp_remap_private): Declare.
9800 (build_indirect_ref, build_modify_expr, pushdecl,
9801 pushdecl_top_level): Move to c-common.h.
9802 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9803 before the switch, but just in the 2 places that need it.
9804 * c-decl.c (diagnose_mismatched_decls): Do not check for
9805 mismatched thread-local attributes when OLDDECL is marked
9806 threadprivate and NEWDECL has no thread-local attributes.
9807 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9808 (c_gimple_diagnostics_recursively): Rename from
9809 c_warn_unused_result_recursively. Invoke
9810 diagnose_omp_structured_block_errors.
9811 (check_for_loop_decls): Return a singular decl found.
9812 * langhooks.c (lhd_omp_predetermined_sharing): Return
9813 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9814 (lhd_omp_firstprivatize_type_sizes): New.
9815 (lhd_omp_assignment): New.
9816 (lhd_omp_predetermined_sharing): New.
9817 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9818 (struct lang_hooks_for_types): Add
9819 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9820 omp_predetermined_sharing, omp_disregard_value_expr,
9821 omp_private_debug_clause, omp_clause_default_ctor,
9822 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9823 (c_finish_omp_clauses): New.
9824 (c_finish_bc_stmt): Diagnose break within omp for.
9825 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9826 (build_unary_op): Return error_mark after reporting
9828 (build_modify_expr): Likewise.
9829 * gimplify.c: Include optabs.h and pointer-set.h.
9830 (enum gimplify_omp_var_data): Declare.
9831 (struct gimplify_omp_ctx): Declare.
9832 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9834 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9835 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9836 (splay_tree_compare_decl_uid): New.
9837 (new_omp_context): New.
9838 (delete_omp_context): New.
9839 (gimple_add_tmp_var): Call omp_add_variable.
9840 (gimplify_bind_expr): Likewise.
9841 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9842 true, disregard DECL_VALUE_EXPR on the decl if any.
9843 (gimplify_expr_in_ctx): New.
9844 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9845 omp_add_variable, omp_notice_variable, omp_is_private
9846 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9847 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9848 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9849 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9850 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9851 gimplify_omp_atomic): New.
9852 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9853 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9854 OMP_CRITICAL and OMP_ATOMIC.
9855 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9856 * c-pragma.h (enum pragma_kind): Add
9857 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9858 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9859 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9860 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9861 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9862 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9863 PRAGMA_OMP_THREADPRIVATE.
9864 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9865 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9866 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9867 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9868 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9869 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9870 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9871 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9872 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9873 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9874 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9875 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9876 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9878 (struct nesting_info): Add field_map,
9879 suppress_expansion, debug_var_chain.
9880 (create_nesting_tree): Initialize them.
9881 (lookup_field_for_decl): Use field_map.
9882 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9883 (convert_local_omp_clauses): New.
9884 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9885 (walk_body): Split out of walk_function.
9886 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9887 (convert_nonlocal_reference): Handle omp statements.
9888 (convert_local_reference): Likewise.
9889 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9890 (unnest_nesting_tree): New.
9891 (lower_nested_functions): Call it.
9892 (insert_field_into_struct): Make extern.
9893 (struct walk_stmt_info): Move to tree-gimple.h.
9894 (walk_stmts): Make extern.
9895 * omp-builtins.def: New file.
9896 * tree-iterator.c (expr_only): Clarify comment.
9897 * c-common.h (pushdecl_top_level, pushdecl,
9898 build_modify_expr, build_indirect_ref,
9899 c_finish_omp_master, c_finish_omp_critical,
9900 c_finish_omp_ordered, c_finish_omp_barrier,
9901 c_finish_omp_atomic, c_finish_omp_flush,
9902 c_finish_omp_for, c_split_parallel_clauses,
9903 omp_clause_default_kind, c_omp_sharing_predetermined,
9904 c_omp_remap_decl): Declare.
9905 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9906 (OBJS-common): Add omp-low.o.
9907 (c-omp.o, omp-low.o): Add.
9908 (gimplify.o): Add dependency on $(OPTABS_H).
9909 (GTFILES): Add omp-low.c.
9910 (gt-stringpool.h): Add.
9911 * tree-cfg.c (set_bb_for_stmt): Do not update the
9912 block-to-labels map if we are currently expanding to RTL.
9913 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9915 Handle IDENTIFIER_NODE.
9916 (tree_verify_flow_info): Do not ICE when emitting error
9917 messages about invalid labels.
9918 (dump_function_to_file): Reset CFUN before emitting the body
9920 (debug_function): New.
9921 * passes.c (init_optimization_passes): Schedule
9923 * langhooks-def.h (lhd_omp_predetermined_sharing,
9924 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9926 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9927 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9928 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9929 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9930 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9931 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9932 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9933 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9934 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9935 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9936 (LANG_HOOK_DECLS): Use them.
9938 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9939 Richard Henderson <rth@redhat.com>
9940 Jakub Jelinek <jakub@redhat.com>
9941 Diego Novillo <dnovillo@redhat.com>
9943 * c-parser.c (pragma_omp_clause): Define.
9944 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9945 (c_parser_compound_statement): Likewise.
9946 (c_parser_statement): Likewise.
9947 (c_parser_pragma): Handle omp pragmas.
9948 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9949 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9950 (c_parser_omp_clause_name, check_no_duplicate_clause,
9951 c_parser_omp_variable_list,
9952 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9953 c_parser_omp_clause_copyprivate,
9954 c_parser_omp_clause_default,
9955 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9956 c_parser_omp_clause_lastprivate,
9957 c_parser_omp_clause_nowait,
9958 c_parser_omp_clause_num_threads,
9959 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9960 c_parser_omp_clause_reduction,
9961 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9962 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9963 c_parser_omp_atomic, c_parser_omp_barrier,
9964 c_parser_omp_critical, c_parser_omp_flush,
9965 c_parser_omp_for_loop, c_parser_omp_for,
9966 c_parser_omp_master, c_parser_omp_ordered,
9967 c_parser_omp_sections_scope, c_parser_omp_sections,
9968 c_parser_omp_parallel, c_parser_omp_single,
9969 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9970 * c-pragma.c (init_pragma): Do omp pragma registration here.
9971 * c.opt (fopenmp): New flag.
9973 2006-01-18 Eric Christopher <echristo@apple.com>
9975 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9976 * config/darwin.h (GOMP_SELF_SPECS): Define.
9978 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9980 * rtl.h: Remove the prototype for reg_alloc.
9982 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9985 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9986 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9987 sjlj and dwarf2 exception handling.
9988 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9989 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9990 * pa/pa.c (function_value): Treat complex and vector types as
9992 (function_arg): Likewise. Only pass scalar floats in the floating
9993 point argument registers.
9994 * pa/t-slibgcc-dwarf-ver: New file.
9995 * pa/t-slibgcc-sjlj-ver: New file.
9996 * pa/t-slibgcc-elf-ver: Delete file.
9998 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10000 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10001 unlikely_test_section_p test.
10003 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10005 * mode-switching.c (optimize_mode_switching): Make it static.
10006 * basic-block.h: Remove the prototype for
10007 optimize_mode_switching.
10009 * modulo-sched.c (sms_schedule): Make it static.
10010 * rtl.h: Remove the prototype for sms_schedule.
10012 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10013 * rtl.h: Remove the prototype for gcse_after_reload_main.
10015 * reg-stack.c (reg_to_stack): Make it static.
10016 * rtl.h: Remove the prototype for reg_to_stack.
10018 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10020 * rtl.h: Remove the prototypes for regrename_optimize and
10021 copyprop_hardreg_forward.
10023 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10025 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10026 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10027 Test against the appropriate null constant for the mode.
10028 If 'fixup_overlap' is true, swap the operands if they overlap.
10029 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10030 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10031 alpha_split_tmode_pair and adjust for above change.
10032 * config/alpha/alpha.md (movtf_internal): Adjust call to
10033 alpha_split_tfmode_pair and rely on it to swap the operands.
10034 (movti_internal): New insn and post-reload splitter.
10035 (movti): New expander.
10037 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10039 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10042 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10044 * rtlanal.c (global_reg_mentioned_p_1,
10045 global_reg_mentioned_p): Remove.
10046 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10048 * flow.c (initialize_uninitialized_subregs): Make it static.
10049 * rtl.h: Remove the prototype for
10050 initialize_uninitialized_subregs.
10052 * function.c (instantiate_virtual_regs): Make it static.
10053 * function.h: Remove the prototype for
10054 instantiate_virtual_regs.
10056 * regmove.c (regmove_optimize, combine_stack_adjustments):
10058 * rtl.h: Remove the prototypes for regmove_optimize and
10059 combine_stack_adjustments.
10061 2006-01-17 Roger Sayle <roger@eyesopen.com>
10063 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10064 (size_cost): Encode costs in bytes so that a reg-reg addition is
10065 equivalent to COSTS_N_INSNS(1).
10066 (override_options): Use the size_cost.branch_cost as the default
10067 ix86_branch_cost when optimizing for size.
10069 2006-01-18 Ben Elliston <bje@au.ibm.com>
10071 * Makefile.in (D32PBIT_FUNCS): New.
10072 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10073 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10074 D64PBIT_FUNCS and D128PBIT_FUNCS.
10075 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10076 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10078 (decnumber_dep): Define.
10079 * doc/libgcc.texi (Decimal float library routines): New node.
10080 * config/dfp-bit.h, config/dfp-bit.c: New files.
10082 2006-01-18 Ben Elliston <bje@au.ibm.com>
10084 * expr.c (emit_move_change_mode): Always adjust addresses, not
10085 just during reload. Copy replacements only during reload.
10086 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10087 emit_move_via_integer.
10089 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10091 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10092 instead of $(srcdir) and ${srcdir}.
10094 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10097 PR middle-end/11135
10098 * arm.h (struct machine_function): Add pic_reg.
10099 * arm.c (arm_pic_register): Make unsigned.
10100 (arm_override_options): Only set arm_pic_register if
10101 TARGET_SINGLE_PIC_BASE.
10102 (use_return_insn): Only test for a pic register if it is fixed.
10103 (arm_compute_save_reg0_reg12_mask): Likewise.
10104 (thumb_compute_save_reg_mask): Likewise.
10105 (legitimate_pic_operand): Factor out some known invariants.
10106 (legitimize_pic_address): If we don't have a fixed pic register,
10107 then set up a pseudo in the function entry sequence. Handle the
10108 pic base being in a pseudo.
10109 (arm_load_pic_register): Handle the pic register being in a pseudo.
10110 (arm_expand_prologue): Only set up the pic register if it is fixed.
10111 (thumb_expand_prologue): Likewise.
10112 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10113 (pic_load_addr_based_insn): Likewise.
10114 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10117 2006-01-18 Ben Elliston <bje@au.ibm.com>
10119 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10120 decimal float modes for all floating point registers.
10122 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10123 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10125 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10128 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10129 even when the pointer is not NULL.
10131 2006-01-16 Ian Lance Taylor <ian@airs.com>
10133 * common.opt (ftoplevel-reorder): New option.
10134 * cgraph.c (cgraph_asm_nodes): New global variable.
10135 (cgraph_asm_last_node): New static variable.
10136 (cgraph_order): New global variable.
10137 (cgraph_create_node): Set new order field.
10138 (cgraph_varpool_node): Likewise.
10139 (decide_is_variable_needed): Return true if not
10140 flag_toplevel_reorder.
10141 (cgraph_add_asm_node): New function.
10142 * cgraph.h (struct cgraph_node): Add order field.
10143 (struct cgraph_varpool_node): Add order field.
10144 (struct cgraph_asm_node): Define.
10145 (cgraph_asm_nodes, cgraph_order): Declare.
10146 (cgraph_add_asm_node): Declare.
10147 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10149 (cgraph_varpool_assemble_pending_decls): Call it.
10150 (cgraph_output_pending_asms): New static function.
10151 (cgraph_finalize_compilation_unit): Call it.
10152 (struct cgraph_order_sort): Define.
10153 (cgraph_output_in_order): New static function.
10154 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10155 !flag_toplevel_reorder case.
10156 * c-parser.c: Include "cgraph.h".
10157 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10159 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10160 than -fno-unit-at-a-time.
10161 * doc/invoke.texi (Option Summary): Mention
10162 -fno-toplevel-reorder.
10163 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10164 -funit-at-a-time documentation.
10166 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10167 Kazu Hirata <kazu@codesourcery.com>
10169 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10171 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10173 * Makefile.in (FUNCTION_H): New. Use it instead of
10174 function.h throughout the file.
10175 * function.h: Include tree.h.
10177 2006-01-17 Ben Elliston <bje@au.ibm.com>
10179 * recog.c: Separate some functions with whitespace.
10181 2006-01-16 Richard Henderson <rth@redhat.com>
10183 Merge from gomp branch:
10184 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10185 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10186 and rename from struct inline_data. Rename callee* to dst*;
10187 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10188 transform_new_cfg, transform_return_to_modify, and
10189 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10191 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10192 (copy_decl_for_dup): Remove.
10193 * tree-inline.c (struct inline_data): Move to header.
10194 (insert_decl_map): Export.
10195 (remap_decl): Update for member name changes. Use copy_decl hook.
10196 Allow for replacement to be a non-decl. Remove dead code.
10197 (remap_type_1): Check for existing mapping.
10198 (remap_type): Export.
10199 (remap_decls): Update for member name changes.
10200 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10201 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10202 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10203 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10204 (tree_function_versioning, build_duplicate_type): Likewise.
10205 (copy_body_r): Likewise. Export.
10206 (copy_decl_for_dup): Split into ...
10207 (copy_decl_for_dup_finish, copy_decl_to_var,
10208 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10209 (replace_ref_tree, inlining_p): Remove.
10211 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10213 * ifcvt.c (if_convert): Make it static.
10214 * rtl.h: Remove the prototype for if_convert.
10216 * local-alloc.c (local_alloc): Make it static.
10217 * rtl.h: Remove the prototype for local_alloc.
10219 * loop.c (loop_optimize): Make it static.
10220 * cfgloop.h: Remove the prototype for loop_optimize.
10223 2006-01-16 DJ Delorie <dj@redhat.com>
10225 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10228 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10230 * pa.md: Disparage copies between general and floating-point registers
10231 in 32-bit move patterns.
10233 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10236 * Makefile.in (check-%): Depend on site.exp instead of
10237 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10240 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10242 * global.c (global_alloc): Make it static.
10243 * rtl.h: Remove the prototype for global_alloc.
10245 2006-01-16 Richard Guenther <rguenther@suse.de>
10247 * tree-ssa-alias.c (struct used_part): Add write_only field.
10248 (get_or_create_used_part_for): Initialize it to true.
10249 (create_overlap_variables_for): Don't create structure variables
10250 for structures that only are written to.
10251 (find_used_portions): Handle MODIFY_EXPR to track whether a
10252 structure is only written to.
10254 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10256 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10258 * basic-block.h: Remove the prototype for
10259 partition_hot_cold_basic_blocks.
10261 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10263 * cppspec.c (lang_specific_spec_functions): Remove.
10264 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10265 * gcc.h (lang_specific_spec_functions): Remove.
10266 * gccspec.c (lang_specific_spec_functions): Remove.
10268 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10270 * combine.c (record_value_for_reg): Invalidate registers
10272 (record_dead_and_set_regs_1): Likewise, by passing them to
10273 record_value_for_reg.
10274 (record_dead_and_set_regs): Invalidate stores made by a
10275 call. We do not combine across a call, but we still
10276 relied on equivalences.
10278 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10280 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10281 vrp_int_const_binop returning non-constant nodes.
10283 2006-01-16 Paul Brook <paul@codesourcery.com>
10285 * config/m68k/m68k.c (output_move_const_into_data_reg):
10286 Output correct mnemonic for mvz and mvs.
10288 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10290 * rtl-factoring.c: Add sequence abstraction algorithm.
10291 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10292 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10294 (block_has_preserve_label): New function.
10295 * common.opt: Register new pass.
10296 * Makefile.in: Ditto.
10298 * timevar.def: Ditto.
10299 * tree-pass.h: Ditto.
10300 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10301 * rtl.h (make_jump_insn_raw): Add forward decl.
10302 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10304 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10305 Roger Sayle <roger@eyesopen.com>
10307 * fold-const.c (fold_minmax): New static function.
10308 (fold_binary) <MIN_EXPR>: Call it.
10309 <MAX_EXPR>: Likewise.
10310 * stor-layout.c (place_field): Use DECL_SIZE consistently
10311 in the computation of the new record size.
10313 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10315 * cse.c (cse_condition_code_reg): Make it static.
10316 * rtl.h: Remove the prototype for cse_condition_code_reg.
10318 * combine.c (combine_instructions): Make it static.
10319 * rtl.h: Remove the prototype for combine_instructions.
10321 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10324 * tree.c (get_file_function_name_long): Concatenate the first global
10325 object name with a string derived from the input filename of the object
10328 2006-01-16 Ben Elliston <bje@au.ibm.com>
10330 * config/i386/winnt-stubs.c: Update FSF address.
10331 * config/xtensa/ieee754-df.S: Ditto.
10332 * config/xtensa/ieee754-sf.S: Ditto.
10334 2006-01-14 Ian Lance Taylor <ian@airs.com>
10336 * ifcvt.c (noce_init_if_info): New static function, broken out of
10337 noce_process_if_block.
10338 (noce_process_if_block): Call noce_init_if_info.
10339 (check_cond_move_block): New static function.
10340 (cond_move_process_if_block): New static function.
10341 (process_if_block): Call cond_move_process_if_block.
10343 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10345 * cselib.c (hash_table): Rename to cselib_hash_table.
10346 (cselib_clear_table, discard_useless_values,
10347 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10348 cselib_init, cselib_finish): Adjust uses of hash_table.
10350 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10352 PR tree-optimization/25485
10353 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10354 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10355 is known to be false and true, respectively.
10357 2006-01-14 Richard Guenther <rguenther@suse.de>
10359 PR tree-optimization/22548
10360 PR tree-optimization/22555
10361 PR tree-optimization/22501
10362 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10363 * params.def (salias-max-array-elements): New parameter.
10364 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10365 * doc/invoke.texi (salias-max-array-elements): Document.
10366 * tree-flow-inline.h (var_can_have_subvars): We also handle
10368 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10370 * tree-ssa-structalias.c (params.h): Include.
10371 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10372 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10373 (get_constraint_for): For ADDR_EXPR operating on something
10374 containing an ARRAY_REF, add all subvars to the solution.
10375 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10376 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10377 for creating MUST_DEFs.
10378 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10380 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10382 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10384 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10385 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10386 number_of_iterations_le): New functions.
10387 (number_of_iterations_special): Removed.
10388 (number_of_iterations_exit): Do not use number_of_iterations_special.
10389 * tree.c (unsigned_type_for): Always return integer type.
10391 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10392 Richard Guenther <rguenther@suse.de>
10394 PR rtl-optimization/24257
10395 * gcse.c (find_moveable_store): Only consider a store movable
10396 when the SET_SRC of the insn can be assigned to a register.
10398 2006-01-14 Ian Lance Taylor <ian@airs.com>
10400 * tree.c (tree_not_class_check_failed): New function.
10401 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10402 (tree_not_class_check_failed): Declare.
10404 2006-01-13 Ian Lance Taylor <ian@airs.com>
10406 * reload1.c (do_output_reload): Add assertion rejecting a
10409 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10411 * combine.c (struct reg_stat): Add new fields truncation_label and
10413 (record_value_for_reg): Reset truncated_to_mode.
10414 (record_truncated_value): New function.
10415 (check_promoted_subreg): Call it. Rename to check_conversions.
10416 (combine_instructions): Rename check_promoted_subreg to
10418 (reg_truncated_to_mode): New function.
10419 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10420 (gen_lowpart_or_truncate): New function.
10421 (force_to_mode): Use it instead of gen_lowpart.
10423 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10425 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10426 VAR is a tag, not its type tag.
10428 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10430 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10431 alternatives to match style of other entries.
10432 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10434 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10436 PR tree-optimization/25771
10437 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10440 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10443 * tree-inline.c (declare_return_variable): If the return variable
10444 was marked as a non gimple complex, set the return slot variable
10445 to be a non gimple comple variable.
10447 2006-01-13 Richard Guenther <rguenther@suse.de>
10449 * builtins.c (expand_builtin_sincos): New function.
10450 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10452 (expand_builtin): Expand sincos using expand_builtin_sincos.
10454 2006-01-12 DJ Delorie <dj@redhat.com>
10456 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10457 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10458 so that constant shifts can be split.
10459 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10460 (m32c_valid_pointer_mode): Make static.
10461 (shift_gen_func_for): New.
10462 (m32c_prepare_shift): Use it. Split large const shifts into
10464 * config/m32c/predicates.md (shiftcount_operand): Allow more
10466 (longshiftcount_operand): New.
10467 * doc/md.texi (Machine Constraints): Document In6.
10469 2006-01-13 Ben Elliston <bje@au.ibm.com>
10471 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10472 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10475 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10477 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10478 to try to avoid clobbering pieces of structures when we know
10479 something about the whole structure.
10480 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10482 2006-01-13 Ben Elliston <bje@au.ibm.com>
10484 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10485 return in memory, as this is no limitation is no longer present.
10487 2006-01-12 DJ Delorie <dj@redhat.com>
10489 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10490 mova with fb, and for fb+0 -> An.
10492 * config/m32c/mov.md (peephole2): Fix enabling logic.
10494 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10495 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10496 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10497 FINI_ARRAY_SECTION_ASM_OP): Define.
10499 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10501 (m32c_legitimize_reload_address): New logic to reload FB to An.
10502 (m32c_output_reg_push): Add newline.
10503 (m32c_output_reg_pop): Likewise.
10505 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10507 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10509 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10511 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10513 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10515 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10518 2006-01-11 Ben Elliston <bje@au.ibm.com>
10520 * rtlanal.c (find_reg_note): Assert insn is not null.
10522 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10524 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10527 2006-01-11 Jeff Law <law@redhat.com>
10529 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10531 (mark_threaded_blocks, register_jump_thread): New functions.
10532 (thread_through_all_blocks): Remove unwanted argument. No
10533 longer rely on e->aux to communicate thread target info.
10534 Call mark_threaded_blocks. Release the threaded_blocks
10535 bitmap and threaded_edges vector when complete.
10536 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10537 (threaded_blocks): Remove.
10538 (tree_ssa_dominator_optimize): Remove initialization and
10539 finalization of threaded_blocks. Simplify call to
10540 thread_through_all_blocks.
10541 (thread_across_edge): Call register_jump_thread rather than
10542 storing thread information into e->aux.
10543 (free_all_edge_infos): Simplify now that e->aux is no longer
10544 used to communicate with thread_through_all_blocks.
10545 * tree-flow.h (thread_through_all_blocks): Update prototype.
10546 (register_jump_thread): Prototype.
10548 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10550 * df-core.c (df_compact_blocks, df_bb_replace): Use
10551 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10553 2006-01-11 Richard Guenther <rguenther@suse.de>
10555 PR tree-optimization/25734
10556 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10557 stop propagation after successful propagation to the LHS.
10559 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10561 * basic-block.h (control_flow_graph): Change the type of
10562 x_basic_block_info to VEC(basic_block,gc) *.
10563 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10565 (SET_BASIC_BLOCK): New.
10566 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10567 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10568 * cfgbuild.c (find_basic_blocks): Likewise.
10569 * cfglayout.c (fixup_reorder_chain): Likewise.
10570 * cfgrtl.c (create_basic_block_structure,
10571 rtl_create_basic_block): Likewise.
10572 * ifcvt.c (find_if_case_1): Likewise.
10573 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10576 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10578 * Makefile.in: Removed rotted odf.c entry.
10580 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10583 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10584 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10585 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10586 output pattern modifier, not %e.
10587 * config/cris/cris.c (cris_op_str): Update comment about pattern
10589 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10590 before falling through into...
10591 <case 'E'>: Redefined from old 'e' case.
10593 2006-01-11 Jan Hubicka <jh@suse.cz>
10596 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10598 2006-01-11 Jan Hubicka <jh@suse.cz>
10600 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10601 * i386.c (x86_decompose_lea): Kill.
10602 (ix86_rtx_costs): Kill.
10604 2006-01-11 Jan Hubicka <jh@suse.cz>
10606 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10607 * cgraph.h (cgraph_node): Add inline_decl.
10608 (cgraph_insert_node_to_hashtable): Declare.
10609 (save_inline_function_body): Declare.
10610 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10612 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10613 (cgraph_function_versioning): Update call of tree_function_versioning.
10614 (save_inline_function_body): New function.
10615 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10616 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10617 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10618 (cgraph_default_inline_p): Likewise.
10619 (cgraph_decide_inlining_incrementally): Likewise.
10620 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10621 (copy_bb): Kill saving; do updating of clones.
10622 (copy_cfg_body): Kill saving.
10623 (initialize_inlined-parameters): Likewise.
10624 (expand_call_inline): Likewise.
10626 (tree_function_versioning): New parameter "update_clones".
10627 (inlining_p): Kill saving.
10628 * tree-inline.h (tree_function_versioning): Update prototype.
10629 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10632 2006-01-11 Ian Lance Taylor <ian@airs.com>
10634 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10635 Allow undoing set of machine mode.
10636 (do_SUBST): Use enums instead of is_int.
10637 (do_SUBST_MODE): New function.
10638 (SUBST_MODE): New macro.
10639 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10640 reg and trying to replace reg_regno_rtx with a new register.
10641 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10642 (simplify_set): Use SUBST_MODE.
10643 (distribute_notes): Remove code that tried to update reg notes
10644 for regno_reg_rtx changes.
10646 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10648 PR tree-optimization/23109
10649 PR tree-optimization/23948
10650 PR tree-optimization/24123
10652 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10653 * tree-cfg.c (single_noncomplex_succ): New.
10654 * tree-flow.h (single_noncomplex_succ): Declare it.
10655 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10656 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10657 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10658 insert_bb, register_division_in, insert_reciprocals,
10659 replace_reciprocal, free_bb): New.
10660 (execute_cse_reciprocals_1): Rewritten.
10661 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10662 Do not commit any edge insertion. Always compute dominators and
10663 create the allocation pool.
10664 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10665 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10666 * targhooks.c (default_min_divistions_for_recip_mul): New.
10667 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10668 * passes.c (init_optimization_passes): Run recip after tree loop
10670 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10672 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10673 Kenneth Zadeck <zadeck@naturalbridge.com>
10675 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10676 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10677 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10678 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10679 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10680 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10681 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10682 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10683 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10684 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10685 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10686 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10687 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10688 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10689 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10690 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10691 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10692 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10693 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10694 DF_SCAN_POST_ALLOC): New macros.
10695 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10696 df_free_bb_function, df_local_compute_function, df_init_function,
10697 df_dataflow_function, df_confluence_function_0,
10698 df_confluence_function_n, df_transfer_function,
10699 df_finalizer_function, df_free_function, df_dump_problem_function,
10700 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10701 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10702 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10703 df_urec_bb_info, ) New types.
10704 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10706 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10707 df_analyze_simple_change_some_blocks,
10708 df_analyze_simple_change_one_block, df_compact_blocks,
10709 df_bb_replace, df_bb_regno_last_use_find,
10710 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10711 df_insn_regno_def_p, df_find_def, df_find_use,
10712 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10713 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10714 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10715 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10716 debug_df_chain, df_get_dependent_problem, df_chain_create,
10717 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10718 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10719 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10720 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10721 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10722 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10723 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10724 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10725 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10726 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10727 df_reorganize_refs, df_set_state, df_hard_reg_init,
10728 df_read_modify_subreg_p) New public functions.
10729 * df-core.c: The core dataflow solver and glue routines for rtl
10731 (df_init, df_add_problem, df_set_blocks, df_finish,
10732 df_hybrid_search_forward, df_hybrid_search_backward,
10733 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10734 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10735 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10736 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10737 df_reg_defined, df_find_use, df_reg_used, df_dump,
10738 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10739 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10740 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10741 debug_df_useno, reset_df_after_reload): New functions.
10742 * df-scan.c: The scanning fuctions, once in df.c, completely
10743 rewritten so that they now fully model the functionality of
10744 register usage at the backend.
10745 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10746 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10747 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10748 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10749 df_get_artificial_defs, df_get_artificial_uses,
10750 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10751 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10752 df_refs_delete, df_reorganize_refs, df_set_state,
10753 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10754 df_def_record_1, df_defs_record, df_uses_record,
10755 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10756 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10757 df_record_exit_block_uses, df_hard_reg_init): New functions.
10759 * df-problems.c: Seven concrete dataflow problems that use the
10760 scanning in df-scan.c and are solved by the engine in df-core.c.
10761 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10762 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10763 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10764 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10765 df_ru_free_bb_info, df_ru_alloc,
10766 df_ru_bb_local_compute_process_def,
10767 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10768 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10769 df_ru_transfer_function, df_ru_free, df_ru_dump,
10770 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10771 df_rd_free_bb_info, df_rd_alloc,
10772 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10773 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10774 df_rd_transfer_function, df_rd_free, df_rd_dump,
10775 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10776 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10777 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10778 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10779 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10780 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10781 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10782 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10783 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10784 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10785 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10786 df_urec_mark_reg_use_for_earlyclobber,
10787 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10788 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10789 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10790 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10791 df_chain_create_bb_process_use, df_chain_create_bb,
10792 df_chain_finalize, df_chain_free, df_chains_dump,
10793 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10794 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10795 df_reg_lifetime): New functions.
10796 * df.c: Deleted file.
10797 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10798 consistent with new df api.
10799 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10800 rest_of_handle_sms): Ditto.
10801 * web.c (unionfind_union, union_defs, entry_register, web_main):
10803 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10804 invariant_expr_equal_p, find_defs, check_dependencies,
10805 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10806 free_inv_motion_data, move_loop_invariants): Ditto.
10807 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10808 Update dependencies.
10809 (odf.c): Added defective entry that was deleted later in day.
10810 * sched-deps.c (sched_analyze_1): Ditto.
10812 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10814 * tree-ssa-operands.c (get_expr_operands): Record addressable
10815 variables directly. Do not call add_stmt_operands for CONST_DECLs
10817 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10818 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10820 2006-01-11 Ben Elliston <bje@au.ibm.com>
10822 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10823 function returns true in the positive case.
10825 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10828 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10829 for SI, DI, SF and DF modes. Add alternatives to copy between
10830 general and floating point registers to the 32-bit patterns.
10831 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10832 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10833 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10834 generating 64-bit code.
10835 * config/pa/pa.c (output_move_double): Handle copies between general
10836 and floating registers.
10838 2006-01-10 Stuart Hastings <stuart@apple.com>
10840 * config/i386/i386.md (set_got): Update.
10841 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10842 (builtin_setjmp_receiver): Mach-O support.
10843 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10844 (GOT_SYMBOL_NAME): Define.
10845 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10846 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10847 * config/i386/i386.c (override_options): Revise for Darwin.
10848 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10849 support. (darwin_x86_file_end): New. (output_set_got): Add label
10850 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10851 * config/i386/i386-protos.h (output_set_got): Likewise.
10852 * config/darwin.c (machopic_legitimize_pic_address): Update
10855 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10857 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10858 when MODE isn't BLKmode.
10860 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10862 PR rtl-optimization/25367
10863 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10865 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10868 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10869 for a negative bound.
10871 2006-01-10 Richard Guenther <rguenther@suse.de>
10873 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10874 Never override with anything constraint.
10876 2006-01-10 Jan Beulich <jbeulich@novell.com>
10878 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10879 256 bits when optimize_size.
10881 2006-01-10 Jan Beulich <jbeulich@novell.com>
10883 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10885 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10886 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10889 2006-01-10 Ben Elliston <bje@au.ibm.com>
10891 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10893 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10894 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10895 (USE_FP_FOR_ARG): Reject decimal float modes.
10896 (function_arg_advance): Likewise.
10897 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10898 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10899 point types in AltiVec vectors.
10900 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10901 (rs6000_libcall_value): Likewise.
10903 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10905 * config/xtensa/ieee754-df.S: New file.
10906 * config/xtensa/ieee754-sf.S: New file.
10907 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10908 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10909 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10911 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10913 * config/sh/predicates.md (binary_float_operator,
10914 binary_logical_operator, commutative_float_operator,
10915 equality_comparison_operator, greater_comparison_operator,
10916 less_comparison_operator, logical_operator,
10917 noncommutative_float_operator, shift_operator,
10918 symbol_ref_operand, unary_float_operator): Remove redundant
10921 2006-01-09 Jeff Law <law@redhat.com>
10923 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10924 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10925 now unused arguments. Callers updated.
10926 (eliminate_redundant_computations): Remove now unused arguments,
10928 (local_fold): Remove, no longer used.
10929 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10931 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10932 (simplify_cond): New function.
10933 (forward_propagate_into_cond): Call simplify_cond.
10935 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10937 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10938 (*vec_extractv2di_1_sse): New.
10940 2006-01-09 Ben Elliston <bje@au.ibm.com>
10942 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10944 2006-01-08 Richard Guenther <rguenther@suse.de>
10946 * tree-ssa-structalias.c (get_constraint_for): Remove
10947 anyoffset argument.
10948 (get_constraint_for_component_ref): Likewise.
10949 (do_deref): Likewise.
10950 (get_constraint_for): Likewise.
10951 (do_structure_copy): Likewise.
10952 (handle_ptr_arith): Likewise.
10953 (find_func_aliases): Likewise. Remove unused need_anyoffset
10956 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10957 Kaz Kojima <kkojima@gcc.gnu.org>
10959 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10960 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10961 (EXTRA_CONSTRAINT_C16): Remove.
10962 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10963 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10964 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10965 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10966 constants of SHmedia. Handle nested constant expressions of
10968 (andcosts): Fix the costs for SHmedia constants.
10969 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10970 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10971 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10972 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10973 (movv4hi_i, movv2si_i): Likewise.
10974 (movsi_const): Adjust the second operand of ior so to match with
10975 the Csu constraint.
10976 (movdi_const, movdi_const_32bit): Likewise.
10977 (movdi_const_16bit+1): Don't sign-extend LOW.
10978 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10980 (*double_shori): Fix the split condition. Use GEN_INT instead
10981 of get_int_mode calls. Mask lower 16-bit of the argument of
10983 (sym2GOTPLT): Remove.
10984 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10986 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10987 instead of EXTRA_CONSTRAINT_C16.
10989 2006-01-07 Ian Lance Taylor <ian@airs.com>
10990 David Edelsohn <edelsohn@gnu.org>
10992 PR rtl-optimization/25662
10993 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10994 for constant operands instead of simplify_gen_binary.
10995 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10996 after trying simplify_binary_operation
10998 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11000 * tree.c (iterative_hash_expr): Hash decls based on UID.
11002 2006-01-06 Eric Christopher <echristo@apple.com>
11004 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11005 (TARGET_UNWIND_EMIT): Fix spelling.
11006 * target.h (gcc_target): Add except_table_label.
11007 * except.c (output_function_exception_table): Use.
11008 * varasm.c (default_emit_except_table_label): New.
11009 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11011 (asm_out): Add here.
11012 * output.h (default_emit_except_table_label): Prototype.
11013 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11014 * config/darwin.c (darwin_emit_except_table_label): Define.
11015 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11017 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11019 PR tree-optimization/18527
11020 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11021 number_of_iterations_special, number_of_iterations_exit):
11022 Move base and step of an iv to a single structure. Add
11023 no_overflow flag, and use it in # of iterations analysis.
11024 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11025 folded_casts argument.
11026 (simple_iv): Pass base and step in a structure. Set no_overflow
11028 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11029 Evaluate expensiveness of computing # of iterations instead of
11030 the final expression.
11031 * tree-scalar-evolution.h (affine_iv): New structure.
11032 (simple_iv): Declaration changed.
11033 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11034 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11035 find_givs_in_stmt): Changed due to simple_iv change.
11037 2006-01-06 Jeff Law <law@redhat.com>
11040 * tree-cfg.c (bsi_replace): Rename final argument from
11041 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11042 change (stmt -> orig_stmt).
11043 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11044 (bsi_remove): Add new argument. Remove EH information
11046 (verify_eh_throw_table_statements): New function.
11047 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11049 * tree-optimize.c (execute_free_cfg_annotations): Verify
11050 the EH throw statement table after removing annotations.
11051 * except.h (verify_eh_throw_table_statements): Prototype.
11052 * tree-flow.h (bsi_remove): Update prototype.
11053 * tree-vrp.c (remove_range_assertions): Add new argument to
11055 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11056 * tree-complex.c (expand_complex_div_wide): Likewise.
11057 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11058 * tree-tailcall.c (eliminate_tailcall): Likewise.
11059 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11060 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11061 * tree-nrv.c (tree_nrv): Likewise.
11062 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11063 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11064 (combine_blocks): Likewise.
11065 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11066 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11067 (cleanup_control_flow): Likewise.
11068 (remove_forwarder_block): Likewise.
11069 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11070 * tree-sra.c (sra_replace): Likewise.
11071 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11072 (forward_propagate_single_use_vars): Likewise.
11073 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11074 * tree-inline.c (expand_call_inline): Likewise.
11075 * tree-vect-transform.c (vect_transform_loop): Likewise.
11076 * tree-outof-ssa.c (rewrite_trees): Likewise.
11077 * tree-cfg.c (make_goto_expr_edges): Likewise.
11078 (cleanup_dead_labels): Likewise.
11079 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11080 (bsi_move_before, bsi_move_after): Likewise.
11081 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11082 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11084 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11087 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11089 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11090 on non gimple variables. Also add checks at the top for decls and
11092 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11094 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11095 and IMAGPART_EXPR for creating MUST_DEFs.
11096 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11097 and NAME_MEMORY_TAG separately from the DECLs.
11099 2006-01-06 Richard Guenther <rguenther@suse.de>
11101 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11102 annotation, if necessary.
11103 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11104 redundant calls to update_stmt.
11105 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11108 2006-01-05 Richard Henderson <rth@redhat.com>
11110 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11112 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11114 * c-typeck.c: Update copyright date.
11116 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11118 * c-typeck.c (build_c_cast): Always warn when casting
11119 from a pointer to an integer of different size, even if
11120 the node was constant.
11122 2006-01-05 Richard Guenther <rguenther@suse.de>
11124 PR tree-optimization/22555
11125 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11126 if one structure field is an array.
11127 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11128 operands even if we found a subvar, but ignore VOPs in this
11130 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11132 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11134 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11136 PR middle-end/24998
11137 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11139 2006-01-05 Richard Guenther <rguenther@suse.de>
11140 Diego Novillo <dnovillo@redhat.com>
11142 * tree-pass.h (TODO_remove_unused_locals): Define.
11143 * gimple-low.c (expand_var_p, remove_useless_vars,
11144 pass_remove_useless_vars): Remove. Update all users.
11145 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11146 (remove_unused_locals): New function.
11147 * tree-flow.h (remove_unused_locals): Declare.
11148 * passes.c (execute_todo): Call remove_unused_locals if
11149 TODO_remove_unused_locals is set.
11150 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11151 * tree-ssa-dce.c (pass_dce): Likewise.
11152 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11154 2006-01-05 Richard Guenther <rguenther@suse.de>
11156 * tree-flow.h (struct fieldoff): Decompose field to
11157 type, size and decl.
11158 * tree-ssa-alias.c (create_sft): Take type as parameter.
11159 (create_overlap_variables_for): Store type, size and decl
11160 in the fieldoff structure.
11161 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11162 of struct fieldoff.
11163 (push_fields_onto_fieldstack): Likewise.
11164 (create_variable_info_for): Likewise. Use offset for the
11165 SFT name if the decl is not available.
11167 2006-01-04 Paul Brook <paul@codesourcery.com>
11169 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11171 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11173 * lambda-code.c (can_put_in_inner_loop): Relax
11175 (can_put_after_inner_loop): New function.
11176 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11177 (perfect_nestify): Change to make copies and modify uses.
11179 2006-01-04 Richard Henderson <rth@redhat.com>
11181 Merge from gomp branch:
11182 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11183 via integer constant.
11184 (pragma_lex): Remove.
11185 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11186 rather than parsing it.
11187 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11188 handle_pragma_extern_prefix): Add %< %> quotes.
11189 (registered_pragmas): New.
11190 (c_register_pragma_1): New.
11191 (c_register_pragma): Use it.
11192 (c_register_pragma_with_expansion): Likewise.
11193 (c_invoke_pragma_handler): New.
11194 (init_pragma): Use cpp_register_deferred_pragma directly for
11196 * c-pragma.h (enum pragma_kind): New.
11197 (pragma_handler): New.
11198 (c_invoke_pragma_handler): Declare.
11199 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11201 * c-common.h (c_common_pch_pragma): Update decl.
11202 * Makefile.in (c-parser.o): Update dependencies.
11203 (GTFILES): Add c-pragma.h.
11204 * c-parser.c (struct c_token): Add pragma_kind.
11205 (struct c_parser): Add in_pragma.
11206 (c_lex_one_token): Always initialize keyword and pragma_kind.
11207 Extract data for CPP_PRAGMA.
11208 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11209 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11210 Don't allow CPP_PRAGMA_EOL if in_pragma.
11211 (c_parser_consume_pragma): New.
11212 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11213 (c_parser_skip_to_end_of_parameter): Likewise.
11214 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11215 (c_parser_skip_to_pragma_eol): New.
11216 (c_parser_external_declaration): Handle CPP_PRAGMA.
11217 (c_parser_compound_statement_nostart): Likewise.
11218 (c_parser_statement_after_labels): Likewise.
11219 (c_parser_pragma): New.
11220 (pragma_lex): Likewise.
11221 (c_parser_pragma_pch_preprocess): New.
11222 (c_parser_new): Merge into ...
11223 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11225 2006-01-04 Jeff Law <law@redhat.com>
11228 * tree-cfg.c (bsi_replace): Remove the original statement
11229 from the EH throw statement table.
11231 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11233 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11234 make the prototype extern "C" and add throw ().
11237 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11238 and pos non-negative and pos + len <= 32.
11239 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11240 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11241 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11244 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11245 as well as sizes not multiple of component size.
11248 * function.c (instantiate_expr): New function.
11249 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11250 walk its DECL_VALUE_EXPR with instantiate_expr.
11252 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11253 DW_OP_deref{,_size} if address isn't going to be added.
11255 2006-01-04 Ben Elliston <bje@au.ibm.com>
11257 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11258 * config/fp-bit.c: Likewise.
11260 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11262 * dominance.c: Add comment about why we use DFS numbering
11265 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11266 Richard Henderson <rth@redhat.com>
11268 Merge from gomp-branch:
11269 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11270 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11272 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11274 PR rtl-optimization/25578
11275 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11276 pass a parameter to simplify_shift_const if changing ASHIFTRT
11279 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11281 * builtins.c (get_builtin_sync_mem): New function.
11282 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11283 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11284 Call get_builtin_sync_mem to generate mem rtx.
11286 2006-01-03 Richard Guenther <rguenther@suse.de>
11289 * stmt.c (add_case_node): Make sure to clear overflow flags
11292 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11294 Merge from gomp-branch.
11295 * config/sparc/sync.md: New file.
11296 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11297 UNSPECV_LDSTUB): New constants.
11298 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11299 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11300 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11303 2006-01-03 Roger Sayle <roger@eyesopen.com>
11305 * combine.c (reg_subword_p): New predicate to test whether the
11306 destination of a set refers to a subword/piece of a register.
11307 (try_combine): Generalize the code to merge the setting of a
11308 pseudo to a constant followed by a set of a subword of that
11309 register to a constant.
11311 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11313 * basic-block.h (control_flow_graph): Change the type of
11314 x_label_to_block_map to VEC(basic_block,gc) *.
11315 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11316 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11318 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11319 VEC(basic_block,heap) *.
11320 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11321 ssa_prop_fini): Adjust the uses of cfg_blocks.
11323 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11325 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11327 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11328 hashing trees instead of a pointer hash.
11329 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11330 compare for MEM_EXPR.
11332 PR rtl-optimization/25130
11333 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11334 when comparing MEMs for GCSE
11336 2006-01-03 Ben Elliston <bje@au.ibm.com>
11338 * targhooks.h (default_decimal_float_supported_p): Declare.
11339 * targhooks.c (default_decimal_float_supported_p): Define.
11340 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11341 `default_decimal_float_supported_p'.
11342 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11344 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11346 * combine.c (apply_distributive_law <SUBREG>): Check
11347 TRULY_NOOP_TRUNCATION.
11349 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11351 * dwarf2out.c (have_switched_text_section): Delete.
11352 (have_multiple_function_sections): New.
11353 (have_location_lists): Make 'bool'.
11354 (add_AT_loc_list): Use 'true' not '1'.
11355 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11356 (output_loc_list): Use have_multiple_function_sections.
11357 (output_ranges): Likewise.
11358 (dwarf2out_begin_function): Set have_multiple_function_sections if
11360 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11361 Check function_section rather than DECL_SECTION_NAME.
11362 (dwarf2out_finish): Use have_multiple_function_sections.
11363 Don't clear have_location_lists.
11365 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11366 Jan Hubicka <jh@suse.cz>
11368 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11369 case of conditional jump jumping to the next instruction.
11370 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11371 cases of conditional jump jumping to the next instruction.
11373 2006-01-02 Jan Hubicka <jh@suse.cz>
11375 * i386.c (*_cost): Add COSTS_N_INSNS.
11376 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11378 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11381 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11383 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11385 * config/arm/arm.c (all_fpus): Fix comment typo.
11386 * config/darwin.c: Likewise.
11387 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11388 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11389 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11391 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11393 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11394 (rs6000_split_compare_and_swapqhi): New.
11395 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11396 (sync_compare_and_swapqhi_internal): New.
11397 * config/rs6000/rs6000-protos.h: Declare.