1 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7 PR rtl-optimization/27671
8 * simplify-rtx.c (simplify_relational_operation_1): Fix
9 simplifications of (eq/ne (xor x y) y) and
12 PR tree-optimization/26622.
13 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
16 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
18 * tree-cfg.c: Prune whitespace.
19 (debug_tree_cfg): Point to correct header containing the
22 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
25 * cgraphunit.c (verify_cgraph_node): Typo in error message.
27 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
30 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
31 or sorry count is non zero.
33 2006-05-20 Andreas Schwab <schwab@suse.de>
35 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
37 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
38 Kenneth Zadeck <zadeck@naturalbridge.com>
40 PR rtl-optimization/26855
42 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
44 (df_scan_alloc): Added code to properly handle multiword hard
45 registers and add all_blocks parameter.
46 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
47 code to properly handle multiword hard registers.
48 (df_rescan_blocks): Added code to remove deleted blocks from
50 (df_ref_create_structure, df_ref_record): Added code to properly
52 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
53 and set DF_REF_PARTIAL.
54 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
55 (df_uses_record): Added DF_REF_PARTIAL for subreg.
56 (df_scan_add_problem): Added flags parameter.
57 (df_ref_create_structure): Changed switching structure.
58 (df_bb_refs_record): Fixed case where duplicate artificial refs
59 were created. Changed location of flags.
60 (df_record_entry_block_defs): Added code to make stack pointer
61 live in entry block. Refined cases where frame pointer is needed.
62 Changed location of flags.
63 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
64 (df_set_state): Removed function.
65 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
66 df_insn_create_insn_record, df_insn_refs_delete,
67 df_ref_create_structure): Formatting changes.
68 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
69 df_delete_basic_block): New function.
70 (df_init): Changed location of flags.
71 (df_add_problem): Added flags parameter and the way flags are
73 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
74 debug_df_chain): Improved debugging output.
75 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
76 (df_refs_chain_dump): Removed df parameter.
77 (df_iterative_dataflow): Added consistency check.
78 (df_prune_to_subcfg): Made public.
79 (df_analyze_problem): Added blocks_to_init parameter and made
81 (df_ref_record, df_bb_refs_record, df_mark_reg,
82 df_record_exit_block_uses): Whitespace changes.
83 (df_dump): Whitespace changes.
84 * df.h: Some reordering to remove forward references.
85 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
86 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
87 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
88 (dataflow.flags): New field.
89 (df.flag): Deleted field.
90 (df_alloc_function): Added additional bitmap parameter.
91 (df_dependent_problem_function): New type.
92 (df_problem.changeable_flags): New field.
93 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
94 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
95 (df_mw_hardreg): New struct.
96 (DF_INSN_UID_MWS): New macro.
97 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
99 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
100 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
101 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
102 (df_set_state): Removed function.
103 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
104 * df-problems.c (df_chain_dump): Removed df parameter.
105 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
106 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
108 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
109 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
110 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
111 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
112 DF_REF_MUST_CLOBBER cases.
113 (df_ru_bb_local_compute_process_def,
114 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
115 df_lr_bb_local_compute, df_ur_bb_local_compute,
116 df_chain_create_bb): Made subreg aware.
117 (df_ru_bb_local_compute, df_rd_bb_local_compute,
118 df_lr_bb_local_compute, df_lr_bb_local_compute,
119 df_chain_create_bb): Cleanup to use proper macros.
120 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
121 code to fixup bitvectors.
122 (df_ri_alloc): Cleared lifetime.
123 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
124 df_create_unused_note): New function.
125 (df_ri_bb_compute, df_ri_compute): Added code to create/update
126 REG_DEAD and REG_UNUSED notes as well as register information.
127 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
128 df_chains_dump): Fixed crash if problem was never run.
129 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
130 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
131 df_ri_add_problem): Processes flags in uniform manner.
132 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
133 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
134 df_rd_dump, df_urec_free_bb_info): Formatting changes.
135 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
136 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
137 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
138 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
139 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
140 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
141 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
142 * see.c (see_initialize_data): Ditto.
143 * final.c (rest_of_clean_state) Added regstack_completed.
144 * rtl.h (regstack_completed): Ditto.
145 * reg-stack.c (regstack_completed): Ditto.
147 2006-05-19 Mike Stump <mrs@apple.com>
149 * c-tree.h (default_conversion): Remove.
150 * c-common.h (default_conversion): Add.
152 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
154 * tree-vrp.c (valid_value_p): New function.
155 (adjust_range_with_scev): Fail if the value of bound is not
158 2006-05-19 Richard Sandiford <richard@codesourcery.com>
160 * config/mips/linux-unwind.h: Include <asm/unistd.h>
161 (mips_fallback_frame_state): Use syscall numbers to determine
162 the appropriate li instruction for the current ABI. Only use
163 __NR_sigreturn for o32.
165 2006-05-19 Nicolas Setton <setton@adacore.com>
167 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
168 * langhooks.c (lhd_dwarf_name): New function.
169 * langhooks-def.h (lhd_dwarf_name): Declare.
170 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
171 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
172 * ada/misc.c (gnat_dwarf_name): New function.
173 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
175 2006-05-19 Richard Sandiford <richard@codesourcery.com>
177 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
179 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
180 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
181 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
182 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
183 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
184 determine the size of Wtype, etc.
185 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
186 (swfloatfuncs): New variable.
187 (dwfloatfuncs): Likewise.
188 (lib2funcs): Remove floating-point conversion functions from
189 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
190 the set of conversion routines needed. Allow entries to specify
191 an object name, filename and word size. Update users accordingly.
192 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
193 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
197 2006-02-08 Roger Sayle <roger@eyesopen.com>
200 * config/fixtfdi.c: New libgcc source file.
201 * config/fixunstfdi.c: New source file.
202 * config/floatditf.c: New source file.
203 * config/floatunditf.c: New souce file.
204 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
205 files above instead of config/mips/_tilib.c.
206 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
208 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
210 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
211 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
213 2006-05-18 Mike Stump <mrs@apple.com>
215 Fix up vla, vm and [*] sematics.
221 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
222 (c_vla_unspec_p): Add.
224 * c-decl.c (struct c_scope): Add had_vla_unspec.
225 (build_array_declarator): Add support for [*].
226 (grokdeclarator): Likewise.
227 (grokparms): Likewise.
228 (get_parm_info): Likewise.
229 * c-objc-common.c (c_vla_unspec_p): Likewise.
230 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
231 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
232 typeof when argument is a variably modified type not inside sizeof or alignof.
233 (c_parser_direct_declarator_inner): Propagate errors.
234 (c_parser_sizeof_expression): Add support for [*].
235 (c_parser_parms_declarator): Initialize had_vla_unspec.
236 (c_parser_parms_list_declarator): Likewise.
237 * c-typeck.c (c_vla_type_p): Add.
238 (composite_type): Add support for vla compositing.
239 (comptypes_internal): Add support for vla compatibility.
240 (c_expr_sizeof_expr): Evaluate vla arguments.
241 * tree.c (variably_modified_type_p): Update comment for [*].
243 2006-05-18 Michael Matz <matz@suse.de>
246 * config.host: Make assignments to host_xmake_file cumulative.
247 * config.host (*-darwin*): Test $host, not $target.
249 2006-05-12 Stuart Hastings <stuart@apple.com>
251 * config/i386/i386.opt (-mstackrealign): New flag.
252 * config/i386/i386.c (force_align_arg_pointer): New attribute.
253 (ix86_handle_cconv_attribute): Emit error when
254 force_align_arg_pointer attribute collides with too many regparms.
255 (ix86_function_regparm): Limit regparms when used with
256 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
257 Support stack-realigning prologue in non-main functions. Emit
258 warning for nested functions under -mstackrealign, emit error for
259 nested functions with force_align_arg_pointer attribute.
260 * doc/extend.texi (force_align_arg_pointer): Document it.
261 * doc/invoke.texi (-mstackrealign): Document it.
263 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
265 PR rtl-optimization/27477
266 * combine.c (try_combine): Don't split a parallel consisting
267 of two sets into two individual sets if both sets reference
270 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
272 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
273 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
275 * doc/options.texi (VarExists): Updated.
277 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
279 * unwind-dw2.c: Add declarations for uw_update_context and
281 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
282 detected, advance frame state and context once to skip over stub.
284 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
288 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
289 Call rewrite_into_loop_closed_ssa only when something changed.
290 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
291 * lambda-code.c (can_convert_to_perfect_nest): Declared.
292 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
293 Test for perfect_nest_p here. Fix formating.
294 (replace_uses_equiv_to_x_with_y): Fix formating.
295 (stmt_uses_op): Removed.
296 (can_convert_to_perfect_nest): Removed loopivs parameter.
297 Complete the test by checking the scalar dependences.
298 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
301 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
304 From Dan Kegel <dank@kegel.com>:
305 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
307 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
309 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
310 if the element type is variably modified without recursing.
312 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
315 * tree-loop-linear.c (try_interchange_loops): Test for
318 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
320 PR tree-optimization/27548
321 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
322 range of ssa names that appear on abnormal edges.
323 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
324 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
326 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
329 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
331 2006-05-17 Jakub Jelinek <jakub@redhat.com>
334 * tree.h (OMP_PARALLEL_COMBINED): Define.
335 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
336 (new_omp_context): Add is_combined_parallel argument.
337 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
338 new_omp_context caller.
339 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
340 Adjust gimplify_scan_omp_clauses callers.
341 (omp_is_private): Issue errors if iteration variable is firstprivate
342 or reduction in the current context.
343 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
344 on combined parallel workshare constructs.
346 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
348 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
349 (gcc-options.o): New rule.
351 * optc-gen.awk: Protect variables for gcc-options.o with
352 #ifdef GCC_DRIVER/#endif.
354 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
356 Fix PR tree-optimization/27373
357 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
358 (forward_propagate_addr_expr): Update call.
360 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
362 * doc/options.texi: Move the Negative option.
364 2006-05-16 Richard Guenther <rguenther@suse.de>
366 PR tree-optimization/22303
367 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
369 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
370 ccp_fold did not simplify the statement.
372 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
375 * Makefile.in (GCC_OBJS): New.
376 (OBJS-common): Add opts-common.o.
377 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
378 (cpp$(exeext)): Likewise.
379 (gcc.o): Also depend on opts.h.
380 (opts-common.o): New.
382 * common.opt (gcoff): Add Negative(gdwarf-2).
383 (gdwarf-2): Add Negative(gstabs).
384 (gstabs): Add Negative(gstabs+).
385 (gstabs+): Add Negative(gvms).
386 (gvms): Add Negative(gxcoff).
387 (gxcoff): Add Negative(gxcoff+).
388 (gxcoff+): Add Negative(gcoff).
389 * config/i386/i386.opt (m32): Add Negative(m64).
390 (m64): Add Negative(m32).
392 * doc/options.texi: Document the Negative option.
394 * gcc.c: Include "opts.h".
395 (main): Call prune_options after expandargv.
397 * optc-gen.awk: Generate common declarations for all flag
398 variables in options.c. Output the neg_index field.
400 * opts.c (find_opt): Moved to ...
401 * opts-common.c: Here. New file.
403 * opts.h (cl_option): Add a neg_index field.
405 (prune_options): Likewise.
407 2006-05-16 Jakub Jelinek <jakub@redhat.com>
410 * omp-low.c (expand_omp_parallel): Don't assert
411 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
412 instead search for it.
415 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
418 2006-05-16 Andreas Schwab <schwab@suse.de>
420 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
423 2006-05-15 Roger Sayle <roger@eyesopen.com>
426 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
427 integer constants other than zero are only legitimate on TARGET_64BIT.
428 <CONST_VECTOR> Only zero vectors are legitimate.
429 (ix86_cannot_force_const_mem): Integral and vector constants can
430 always be put in the constant pool.
432 2006-05-16 DJ Delorie <dj@redhat.com>
434 * crtstuff.c (__dso_handle): Set section from
435 TARGET_LBIGCC_SDATA_SECTION if defined.
436 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
437 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
439 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
442 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
445 2006-05-16 Ben Elliston <bje@au.ibm.com>
447 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
449 2006-05-15 Per Bothner <per@bothner.com>
451 * tree.c: (last_annotated_node): Use sources_locus typedef.
452 This permits bootstrapping with --enable-mapped-location.
454 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
456 PR tree-optimization/26830
457 * tree-into-ssa.c (struct ssa_name_info): Add age field.
458 (info_for_ssa_name, current_info_for_ssa_name_age,
459 blocks_to_update): New variables.
460 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
461 (clear_ssa_name_info, initialize_flags_in_bb,
462 mark_block_for_update): New functions.
463 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
464 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
465 prepare_def_site_for): Use mark_block_for_update.
466 (mark_def_interesting): Assert that the processed block is marked in
467 blocks_to_update. Do not take blocks argument.
468 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
470 (rewrite_update_init_block, rewrite_update_stmt): Only process
471 blocks with statements to rewrite.
472 (delete_update_ssa): Do not clear SSA_NAME_AUX.
473 (update_ssa): Initialize and free blocks_to_update. Do not
474 clear flags on statements. Do not use blocks bitmap.
475 * tree.h (SSA_NAME_AUX): Removed.
476 (struct tree_ssa_name): Removed aux field.
477 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
479 2006-05-15 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/27603
482 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
483 Do computations in original type.
485 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
487 * see.c: Code style changes such as redundant paranthesis,
488 redundant intialization of local variables etc.
489 (see_main): Declared now as static.
490 * doc/invoke.texi: Update that -fsee is not enabled by
493 2006-05-15 Jakub Jelinek <jakub@redhat.com>
495 * omp-low.c (check_omp_nesting_restrictions): New function.
496 (scan_omp_1): Call it.
499 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
500 construct, return *VAR.
502 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
504 PR rtl-optimization/27406
505 * bt-load.c (migrate_btr_def): Skip the block having abnormal
508 2006-05-14 Roger Sayle <roger@eyesopen.com>
510 PR rtl-optimization/27538
511 * combine.c (expand_compound_operation): Call gen_lowpart
512 before calling simplify_shift_const.
514 2006-05-14 Roger Sayle <roger@eyesopen.com>
516 PR rtl-optimization/22563
517 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
518 a fixed width bitfield, always force the intermediates into psuedos.
520 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
523 * mkconfig.sh: Use operator = instead of == for test.
525 2006-05-13 Nick Clifton <nickc@redhat.com>
527 * dwarf2out.c (dbx_reg_number): Check return value from
528 LEAF_REG_REMAP and only use it if it is valid.
529 (multiple_reg_loc_descriptor): Likewise.
531 2006-05-13 Richard Guenther <rguenther@suse.de>
533 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
536 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
538 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
539 information attached to non-INSNs such as NOTEs.
540 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
542 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
544 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
546 * config/s390/s390.md: Adjust comment describing On constraint.
548 2006-05-11 Jan Hubicka <jh@suse.cz>
550 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
553 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
556 * fold-const.c (size_binop): Move sanity check for arguments to
557 the beginning of the function.
560 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
563 2006-05-11 Richard Guenther <rguenther@suse.de>
566 * fold-const.c (fold_unary): Handle intermediate conversion
567 to a pointer type like intermediate conversion to an integer
568 type in folding of (T1)(T2)var to var.
569 Match the code to the comment in the final conversion for
570 (T1)(T2)var to (T1)var regarding to type precision. Rather
571 than disallow T1 being of pointer type, assert that both T1
572 and var are of pointer type or not. Make sure not to fall
573 over the frontends lazyness wrt array to pointer decay though.
575 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
577 * arm.c (arm_struct_value_rtx): Delete.
578 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
579 (arm_init_cumulative_args): Always initialize nregs to zero.
581 2006-05-10 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/27532
584 * tree-object-size.c (plus_expr_object_size): Fix typo.
586 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
589 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
590 ashrdi_const, ashrdi3): Use a scratch register.
592 2006-05-10 Richard Guenther <rguenther@suse.de>
594 PR tree-optimization/27302
595 * fold-const.c (operand_equal_p): For two comparisons,
596 try comparison of one comparison code swapped if that yields
599 2006-05-10 Ben Elliston <bje@au.ibm.com>
601 * tree-pretty-print.c (pretty_print_string): No need to handle
602 '\0' as a special character.
604 * tree.h: Include "hashtab.h".
605 (iterative_hash_expr): Use hashval_t in its prototype.
606 * Makefile.in (TREE_H): Add $(HASHTAB_H).
608 2006-05-09 Steve Ellcey <sje@cup.hp.com>
611 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
612 (hppa*64*-*-hpux11*): Ditto.
613 (hppa[12]*-*-hpux11*): Ditto.
615 2006-05-09 David Edelsohn <edelsohn@gnu.org>
618 * config/rs6000/aix41.h (TARGET_64BIT): Define.
620 2006-05-09 Michael Matz <matz@suse.de>
622 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
623 host_extra_gcc_objs and host_xmake_file.
624 (<*-*-linux*>): Don't overwrite host_xmake_file.
625 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
626 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
627 (host_detect_local_cpu): Declare.
628 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
629 * config/i386/i386.c (override_options): Handle -mtune=native
631 * config/i386/x-i386: New file.
632 * config/i386/driver-i386.c: New file.
633 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
636 2006-05-09 Dirk Mueller <dmueller@suse.de>
637 Richard Guenther <rguenther@suse.de>
640 * fold-const.c (fold_read_from_constant_string): Relax check
641 for matching types to matching modes.
643 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
645 PR rtl-optimization/27335
646 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
649 2006-05-08 Chao-ying Fu <fu@mips.com>
650 Richard Sandiford <richard@codesourcery.com>
652 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
653 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
654 * config/mips/mips.md (UNSPEC_SCC): New constant.
655 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
656 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
657 (mips_emit_compare): Use it.
658 (mips_expand_vcondv2sf): New function.
660 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
662 Fix PR tree-optimization/27093
663 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
664 renaming when they become not-used_alone.
666 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
668 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
669 relocation and relocation stubs.
671 2006-05-08 Eric Christopher <echristo@apple.com>
673 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
676 2006-05-08 Jan Hubicka <jh@suse.cz>
679 * cgraphunit.c (decide_is_function_needed): When not optimizing even
680 unused static functions are needed.
682 2006-05-08 Roger Sayle <roger@eyesopen.com>
685 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
686 of a reg_equiv_constant if the result is a legitimate constant.
688 2006-05-08 Uros Bizjak <uros@kss-loka.si>
691 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
692 standard 80387 constants, raise the cost to prevent
693 compress_float_constant() to generate load from memory.
695 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
697 * config/arm/constraints.md (c): Fix a typo.
699 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
702 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
705 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
707 (_mm_mwait): Likewise.
709 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
711 (sse3_monitor): Make it 32bit only.
712 (sse3_monitor64): New. 64bit monitor.
714 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
717 * config/i386/i386.c (classify_argument): Skip fields with invalid
720 2006-05-07 Richard Guenther <rguenther@suse.de>
722 PR tree-optimization/27409
723 * tree-ssa-structalias.c (get_constraint_for_component_ref):
724 Do not try to find zero-sized subvars.
726 2006-05-07 Richard Guenther <rguenther@suse.de>
728 PR tree-optimization/27136
729 * tree-ssa-loop-niter.c (get_val_for): Correct function
730 comment, assert requirements.
731 (loop_niter_by_eval): Stop processing if the iterated
732 value did not simplify.
734 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
736 * opts.c (flag_see): remove its setting at -O3.
738 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
740 * genpeep.c (main): Make insn-peep.c depend on flags.h.
741 * arm/constraints.md: New file.
742 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
743 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
744 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
745 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
746 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
747 (EXTRA_MEMORY_CONSTRAINT): Likewise.
748 * arm.md: Include constraints.md.
749 (thumb_movsi_insn): Use satisfies_constraint_J.
750 (movhi, movqi): Use satisfies_constraint_I.
752 2006-04-29 Anatoly Sokolov <aesok@post.ru>
754 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
755 for atmeg a645 device.
757 2006-05-06 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/27151
760 * tree-vect-transform.c (vectorizable_condition): Punt on
761 values that have a different type than the condition.
763 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
766 * c-parser.c (c_parser_cast_expression): Only insert casts into
767 hash table if pointer.
768 * function.c (used_types_insert_helper): Rename from
770 (used_types_insert): Call used_types_insert_helper.
771 * function.h (used_types_insert): Accept only one argument.
773 2006-05-05 David Edelsohn <edesohn@gnu.org>
775 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
776 scratch with output modifier.
778 2006-05-04 David Edelsohn <edelsohn@gnu.org>
781 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
782 with output modifier.
784 2006-05-04 Richard Sandiford <richard@codesourcery.com>
787 * config/mips/mips.c (mips_symbolic_address_p): Return true
788 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
789 SYMBOL_GOTTPREL, and SYMBOL_TLS.
791 2006-05-04 Richard Guenther <rguenther@suse.de>
793 PR tree-optimization/14287
794 PR tree-optimization/14844
795 PR tree-optimization/19792
796 PR tree-optimization/21608
797 PR tree-optimization/27090
798 * tree-ssa-pre.c (try_combine_conversion): New function.
799 (compute_avail): After constructing the value-handle
800 expression, use try_combine_conversion to combine NOP_EXPRs
801 with previous value-handle expressions and use the result if it
804 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
806 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
808 2006-05-04 Jan Hubicka <jh@suse.cz>
811 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
813 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
815 * config/bfin/predicates.md (const01_rtx): Tell generator programs
816 that this only matches CONST_INTs. All users changed to VOIDmode
819 * config/bfin/bfin.c: Include "optabs.h".
820 (bfin_rtx_costs): Some costs for vector operations, to allow combine
822 (enum bfin_builtins): Add a number of fractional and vector builtins.
823 (bfin_init_builtins): Likewise.
824 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
825 (safe_vector_operand, bfin_expand_binop_builtin,
826 bfin_expand_unop_builtin): New functions.
827 (bfin_expand_builtin): Handle the new builtins.
828 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
831 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
834 * Makefile.in (OBJS-common): Add see.o.
835 (see.o): Add dependencies.
836 * common.opt (fsee): New flag for the see optimization was added.
837 * opts.c (flag_see): Initialized.
838 * passes.c (init_optimization_passes, pass_see): New pass.
839 * rtl.h (see_main): Declaration as extern.
840 * timevar.def (TV_SEE): New.
841 * tree-pass.h (pass_see): Declaration as extern.
842 * invoke.texi (-fsee): Document.
843 * recog.c (validate_simplify_insn): New function.
844 * recog.h (validate_simplify_insn): Declaration as extern.
845 * df-problems.c (df_chain_dump): Check for NULL.
847 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
848 Daniel Berlin <dberlin@dberlin.org>
850 * cfgrtl.c (insert_insn_bb_end_new): New function.
851 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
853 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
855 * df.h (struct web_entry): Moved from web.c.
856 (union_defs): Declaration as extern.
857 (unionfind_root): Likewise.
858 (unionfind_union): Likewise.
859 * web.c (struct web_entry): Moved to df.h.
860 (unionfind_root): Remove static declaration.
861 (unionfind_union): Likewise.
862 (union_defs): Likewise and generalize to use callback function.
863 (web_main): Update arguments for union_defs function call.
865 2006-05-04 Richard Guenther <rguenther@suse.de>
867 PR tree-optimization/26447
868 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
869 produce SSA_NAME copies before the store stmt to avoid
870 breaking exception handling.
872 2006-05-04 Jakub Jelinek <jakub@redhat.com>
875 * gimplify.c (omp_is_private): If var is shared in some outer context,
876 return false instead of true. Stop searching on parallel context
879 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
882 * coverage.c: Use get_gcov_unsigned_t() instead of
883 unsigned_type_node all over.
885 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
887 PR tree-optimization/27381
888 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
889 maintain the same immediate_use links.
890 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
891 node rather than segfaulting.
893 2006-05-03 Jakub Jelinek <jakub@redhat.com>
896 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
897 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
898 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
900 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
902 Fix PR tree-optimization/26626
903 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
905 * tree-ssa-operands.c (access_can_touch_variable): Allow
906 typecasting through union pointers.
908 2006-05-02 Jakub Jelinek <jakub@redhat.com>
911 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
912 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
913 to find if var will be a global variable even in the nested context.
914 (omp_copy_decl): Only check for global variable at the end, it might
915 be overridden in outer contexts.
916 (scan_sharing_clauses): For global variables don't create a field.
917 (lower_rec_input_clauses): Do nothing for global shared variables.
918 Emit a barrier at the end of ILIST if there were any decls in both
919 firstprivate and lastprivate clauses.
920 (lower_send_clauses): Do nothing for global variables except for
923 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
925 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
926 of the correct signedness is returned.
928 2006-05-02 Jeff Law <law@redhat.com>
930 PR tree-optimization/27364
931 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
932 multiply expressions.
934 2006-05-02 Tom Tromey <tromey@redhat.com>
936 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
938 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
941 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
942 -mthumb -fPIC are used.
944 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
945 Joshua Kinard <kumba@gentoo.org>
948 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
949 with 64-bit pointers.
951 2006-05-02 Paul Brook <paul@codesourcery.com>
953 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
955 (create_fix_barrier): Check that a suitable barrier location is
957 (arm_reorg): Include ftmp->address in allowable range of addresses.
959 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
962 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
965 2006-05-02 Jakub Jelinek <jakub@redhat.com>
968 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
969 around RESULT_DECL for result passed by reference.
970 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
971 * omp-low.c (use_pointer_for_field): Don't look at
972 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
973 (scan_omp_1): Call remap_decl on RESULT_DECLs.
974 (lower_rec_input_clauses): Don't allocate VLA memory for the second
975 time or var for passing by reference for
976 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
977 TREE_ADDRESSABLE variables when passing by reference.
979 * omp-low.c (dump_omp_region): Fix output formatting.
982 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
983 (expand_omp_parallel): Likewise.
984 * tree-cfg.c (move_sese_region_to_fn): Likewise.
987 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
988 on statement list containing also constructors and destructors.
989 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
992 * except.c (duplicate_eh_regions): Fix clearing of
993 cfun->eh->region_array entries.
995 2006-05-01 DJ Delorie <dj@redhat.com>
997 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
999 (gcc_cv_objdump): Likewise.
1000 * configure: Regenerated.
1002 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1005 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1006 templates for case 3 and 4.
1008 2006-05-01 DJ Delorie <dj@redhat.com>
1010 * vec.c: Include bconfig.h when appropriate.
1011 * Makefile.in (build/vec.o): Adjust dependencies.
1012 * mkconfig.sh: Make sure config.h isn't used for build machine
1015 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1017 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1019 (mark_phi_for_rewrite): New function.
1020 (insert_phi_nodes_for, mark_use_interesting): Call
1021 mark_phi_for_rewrite.
1022 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1023 (update_ssa): Initialize and free phis_to_rewrite.
1025 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1027 PR rtl-optimization/27291
1028 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1029 folded to a constant.
1031 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1033 PR tree-optimization/27283
1034 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1035 not whole # of iteration descriptions.
1036 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1037 uses abnormal ssa name.
1038 (niter_for_single_dom_exit): Ditto.
1039 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1040 return just the number of iterations.
1042 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1044 PR tree-optimization/27144
1045 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1046 (record_estimate): Only record constant upper bound.
1047 (infer_loop_bounds_from_undefined): Call
1048 compute_estimated_nb_iterations just once.
1049 (proved_non_wrapping_p): Renamed to ...
1050 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1051 (convert_step_widening, scev_probably_wraps_p): Call
1052 n_of_executions_at_most instead of proved_non_wrapping_p.
1053 (substitute_in_loop_info): Do not replace values in bounds.
1054 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1057 2006-05-01 Richard Henderson <rth@redhat.com>
1060 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1061 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1064 2006-05-01 Roger Sayle <roger@eyesopen.com>
1066 * c-typeck.c (parser_build_binary_op): Don't call the function
1067 unsigned_conversion_warning to spot operand/result type overflow.
1068 (build_binary_op): Instead, call convert_and_check instead of
1069 convert to report the problem when the operands are promoted.
1070 * c-common.c (unsigned_conversion_warning): Make static.
1071 * c-common.h (unsigned_conversion_warning): Delete prototype.
1073 2006-05-01 Richard Guenther <rguenther@suse.de>
1075 PR tree-optimization/26726
1076 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1078 (find_interesting_uses_address): ... we work around here
1079 by folding INDIRECT_REFs in the substituted base.
1081 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1083 * omp-low.c (dump_omp_region): Add newlines.
1085 2006-04-30 Roger Sayle <roger@eyesopen.com>
1087 * common.opt (Woverflow): New command line option.
1088 * c-common.c (constant_expression_warning): Check warn_overflow.
1089 (overflow_waring): Pass OPT_Woverflow to warning.
1090 (unsigned_conversion_warning): Likewise.
1091 (convert_and_check): Likewise.
1092 * doc/invoke.texi: Document new command line option.
1094 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1096 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1097 TARGET_NO_FP_IN_TOC for section anchors.
1098 (optimization_options): Enable section anchors for all
1099 non-"Objective" languages.
1101 2006-04-28 Eric Christopher <echristo@apple.com>
1103 * config/darwin-c.c (darwin_ms_struct): Move this
1104 (darwin_set_default_type_attributes): and this...
1105 * config/darwin.c: ... here.
1106 * config/darwin.h (darwin_ms_struct): Declare.
1108 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1110 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1112 2006-04-28 Roger Sayle <roger@eyesopen.com>
1115 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1116 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1117 an unsigned HOST_WIDE_INT.
1118 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1120 (really_start_incremental_init): No need to call convert because
1121 bitsize_zero_node is already of type bitsizetype.
1122 (push_init_level): Extract the value of constructor_index as an
1123 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1124 (process_init_element): Likewise.
1126 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1128 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1129 value before passing to make_relative_prefix.
1131 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1134 * builtins.c (expand_builtin_memset): Expand val in original mode.
1136 2006-04-27 Eric Christopher <echristo@apple.com>
1138 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1139 with #ifndef/#endif.
1140 * config/darwin-c.c (darwin_ms_struct): New.
1141 (darwin_pragma_ms_struct): Ditto.
1142 (darwin_set_default_type_attributes): Ditto.
1143 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1144 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1145 Register ms_struct pragma.
1146 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1147 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1148 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1149 darwin_set_default_type_attributes if TARGET_MACHO.
1151 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1153 PR tree-optimization/26854
1154 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1155 * doc/tree-ssa.texi: Update immuse iterator documentation.
1156 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1158 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1159 first_safe_imm_use, next_safe_imm_use): Remove.
1160 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1161 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1162 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1163 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1164 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1165 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1166 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1167 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1168 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1169 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1170 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1171 (perfect_nestify): Use new iterator.
1172 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1174 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1175 (next_imm_name): New field in struct immediate_use_iterator_d.
1176 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1177 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1178 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1179 * tree-cfg.c (replace_uses_by): Use new iterator.
1180 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1181 * tree-ssa-operands.c (correct_use_link): Remove.
1182 (finalize_ssa_use_ops): No longer call correct_use_link.
1184 2006-04-27 Stuart Hastings <stuart@apple.com>
1186 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1187 * config/t-darwin (crt3.o): Use it.
1188 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1189 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1190 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1191 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1192 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1195 2006-04-27 Roger Sayle <roger@eyesopen.com>
1197 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1198 size, force the intermediate into a new pseudo rather instead of
1199 performing both a bitwise AND and a bitwise IOR in memory.
1201 2006-04-27 Richard Guenther <rguenther@suse.de>
1203 PR rtl-optimization/26685
1204 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1205 this one "max-flow-memory-locations".
1207 2006-04-27 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/25148
1210 * tree-vrp.c (compare_values): Remove code dealing with
1211 comparisons against type min/max value. Honour overflow
1212 and negative constants in code dealing with comparisons
1213 of plus and minus expressions.
1214 (value_inside_range): Use fold_binary with LE_EXPR and
1215 GE_EXPR rather than compare_values.
1217 2006-04-27 Dirk Mueller <dmueller@suse.de>
1219 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1222 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1224 * basic-block.h (safe_insert_insn_on_edge): Removed.
1225 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1227 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1228 Paolo Bonzini <bonzini@gnu.org>
1231 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1232 (simplify_and_const_int): Same.
1234 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1236 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1238 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1241 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1242 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1243 cgraph_global_info_ready.
1246 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1249 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1250 either decl or init is error_mark_node.
1253 * tree-flow.h (struct omp_region): Add sched_kind.
1254 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1255 instead of extracting omp for data.
1256 (expand_omp_for): Save extracted sched_kind.
1258 2006-04-25 Roger Sayle <roger@eyesopen.com>
1260 * expmed.c (store_bit_field): Also check whether the bitsize is
1261 valid for the machine's "insv" instruction before moving the
1262 target into a pseudo for use with the insv.
1263 * config/i386/predicates.md (const8_operand): New predicate.
1264 * config/i386/i386.md (extv, extzv, insv): Use the new
1265 const8_operand predicate where appropriate.
1267 2006-04-25 DJ Delorie <dj@redhat.com>
1269 * doc/install.texi (Specific): Clarify that this is not a list of
1270 supported hosts or targets.
1272 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1274 PR rtl-optimization/26725
1275 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1276 block's BB_DIRTY flag.
1278 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1280 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1283 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1284 to print an integer.
1286 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1288 * varasm.c (align_variable): New function.
1289 (get_block_for_decl): Apply align_variable to DECL before
1290 calculating section information.
1291 (assemble_variable): Split out alignment computation.
1293 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1295 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1298 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1300 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1301 MODE_PARTIAL_INT mode.
1302 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1303 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1305 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1306 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1308 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1310 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1312 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1313 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1314 MACFLAG_IH): Likewise.
1315 (movstricthi_1): Renamed from "*movstricthi".
1316 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1317 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1318 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1319 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1320 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1321 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1322 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1323 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1324 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1325 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1326 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1327 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1328 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1329 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1330 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1332 * doc/rtl.texi (ss_ashift): Improve wording.
1334 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1336 * dwarf2out.c (verify_marks_clear): New.
1337 (prune_unused_types): Call verify_marks_clear initially, not
1340 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1342 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1343 * doc/rtl.texi: Document them.
1344 * simplify-rtx.c (simplify_unary_operation,
1345 simplify_binary_operation_1): Don't abort when we see them.
1347 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1350 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1351 * configure.ac: Completely disregard languages that are not
1353 * configure: Regenerated.
1355 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1356 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/27236
1359 * tree-inline.c (copy_body_r): Make sure to copy
1360 TREE_THIS_VOLATILE flag.
1362 2006-04-24 Richard Guenther <rguenther@suse.de>
1365 * tree-complex.c (update_parameter_components): Don't handle
1366 unused parameters which have no default def.
1368 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1369 Richard Guenther <rguenther@suse.de>
1371 PR tree-optimization/27218
1372 * tree-inline.c (expand_call_inline): Strip useless type
1373 conversions for the return slot address.
1375 2006-04-24 Richard Guenther <rguenther@suse.de>
1377 * cfgloop.h (struct loops): Remove unused field array. Reorder
1379 (LOOP_PREFETCH): Remove.
1381 2006-04-24 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/22525
1384 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1385 variable, adjust types of generated expressions.
1387 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1389 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1390 (tree-vect-patterns.o): Likewise.
1392 (cselib.o): Likewise.
1393 (loop-doloop.o): Likewise.
1394 (regclass.o): Likewise.
1395 (reload1.o): Likewise.
1396 (explow.o): Replace target.h with $(TARGET_H).
1397 (ipa-prop.o): Likewise.
1398 (ipa-cp.o): Likewise.
1399 (ipa-inline.o): Likewise.
1400 (reorg.o): Likewise.
1401 (reg-stack.o): Likewise.
1403 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1405 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1407 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1409 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1411 * configure.ac: Completely disregard languages that are not
1413 * configure: Regenerated.
1416 * c-common.h (c_build_bitfield_integer_type): Declare.
1417 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1418 * c-common.c (c_build_bitfield_integer_type): ... here.
1420 2006-04-23 Roger Sayle <roger@eyesopen.com>
1423 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1424 a SImode SUBREG of a floating point register after no_new_pseudos.
1426 2006-04-23 Roger Sayle <roger@eyesopen.com>
1428 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1429 identify potentially eliminable registers to additionally catch
1430 VIRTUAL_INCOMING_ARGS_REGNUM.
1431 (addsi3): Update the conditions on when to use addsi_small_int.
1433 2006-04-23 Roger Sayle <roger@eyesopen.com>
1436 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1437 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1438 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1440 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1442 * fold-const.c (range_predecessor): Use operand_equal_p
1443 as the predicate for equality.
1444 (range_successor): Likewise.
1446 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1449 * config/soft-fp/op-common.h: Fix a typo.
1451 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1454 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1455 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1457 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1459 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1461 * doc/tm.texi: Fix a typo.
1463 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1465 * dwarf2out.c (struct die_struct): Document that die_sib makes
1466 a circular linked list.
1467 (FOR_EACH_CHILD): New.
1468 (reverse_die_lists): Delete.
1469 (reverse_all_dies): Delete.
1470 (add_dwarf_attr): Correct documentation.
1471 (remove_child_with_prev): New.
1472 (remove_child_TAG): Update for change to die_struct, use
1473 remove_child_with_prev.
1474 (add_child_die): Update for change to die_struct.
1475 (splice_child_die): Use remove_child_with_prev and add_child_die.
1476 (print_die): Use FOR_EACH_CHILD.
1477 (die_checksum): Likewise.
1478 (assign_symbol_names): Likewise.
1479 (output_location_lists): Likewise.
1480 (build_abbrev_table): Likewise.
1481 (calc_die_sizes): Likewise.
1482 (mark_dies): Likewise.
1483 (unmark_dies): Likewise.
1484 (unmark_all_dies): Likewise.
1485 (output_die): Likewise.
1486 (prune_unused_types_mark): Likewise.
1487 (prune_unused_types_walk): Likewise.
1488 (same_die_p): Update for change to die_struct.
1489 (break_out_includes): Likewise.
1490 (prune_unused_types_prune): Likewise.
1491 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1492 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1494 (dwarf2out_finish): Don't call reverse_all_dies.
1496 2006-04-21 Eric Christopher <echristo@apple.com>
1498 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1499 in comments and function names.
1501 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1504 * c-typeck.c (digest_init): Robustify.
1506 * c-typeck.c (pop_init_level): Simplify.
1508 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1510 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1512 2006-04-21 Paul Brook <paul@codesourcery.com>
1514 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1515 hardware floating point.
1517 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1519 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1522 2006-04-21 Nick Clifton <nickc@redhat.com>
1524 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1527 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1530 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1531 C++ lang type in traceback table for Objective-C++.
1533 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1535 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1537 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1539 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1543 were errors. Remove check for erroneous objects.
1545 2006-04-20 Jeff Law <law@redhat.com>
1547 PR tree-optimization/26854
1548 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1549 checking for zero or one use.
1550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1551 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1552 * tree-ssa-reassoc.c (negate_value): Similarly.
1553 (reassociate_bb): Similarly.
1555 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1557 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1558 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1559 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1561 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1563 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1564 fp regs if the last fp arg doesn't fit in regs.
1566 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1569 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1570 that the last insn has the REG_INC note.
1572 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1573 Nathan Sidwell <nathan@codesourcery.com>
1576 * stor-layout.c (update_alignment_for_field): Do not align
1578 (place_union_field): Place union field at the start of the union.
1579 (place_field): Move ERROR_MARK check later, and use the current
1580 allocation position to maintain monotonicity.
1582 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1584 * dominance.c: Include timevar.h.
1585 (calculate_dominance_info): Use TV_DOMINANCE.
1586 * timevar.def (TV_DOMINANCE): New timevar.
1587 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1589 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1591 PR rtl-optimization/14261
1592 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1593 move would be an INSV insn.
1594 (noce_process_if_block): Don't optimize if the destination is a
1595 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1597 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1599 * config/s390/s390.md: Add comments with the instructions emitted
1600 by an insn pattern if macros are used.
1602 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1604 PR rtl-optimization/26026
1605 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1606 is a known power of two shifted left a variable amount.
1608 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1610 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1611 to hash table twice when the debug_str section has SECTION_MERGE.
1613 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1615 * config/soft-fp: New directory. From glibc.
1616 * config/soft-fp/t-softfp: New.
1617 * config/soft-fp/README: New.
1618 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1619 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1620 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1621 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1622 * config.gcc: Use rs6000/t-fprules-fpbit or
1623 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1625 * config/rs6000/sfp-machine.h: New. Based on glibc.
1626 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1628 * config/rs6000/t-fprules: Remove fp-bit rules.
1629 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1630 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1631 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1632 (softfp_wrap_start, softfp_wrap_end): New.
1634 2006-04-18 DJ Delorie <dj@redhat.com>
1636 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1638 2006-04-18 Devang Patel <dpatel@apple.com>
1640 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1642 2006-04-18 Nick Clifton <nickc@redhat.com>
1644 * config/sh/t-symbian: Add rule to build sh-c.o
1645 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1646 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1647 (sh_symbian_encode_section_info): Likewise.
1649 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1651 * builtins.c (expand_builtin_strcmp): Cover label definition of
1652 do_libcall with HAVE_cmpstrnsi.
1654 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1656 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1658 * function.h (temp_slot_p): New.
1659 (function): Change the type of x_used_temp_slots to
1660 VEC(temp_slot_p,gc) *.
1662 2006-04-18 Nick Clifton <nickc@redhat.com>
1664 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1665 flag_strength_reduce.
1667 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1669 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1673 Partial revert of revision 112637
1674 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1675 Dale Johannesen <dalej@apple.com>
1678 * regclass.c (struct reg_pref): Update documentation.
1679 (regclass): Set prefclass to NO_REGS if memory is the best option.
1680 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1682 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1684 PR tree-optimization/26821
1685 * tree-ssa-math-opts.c (get_constant_one): New.
1686 (insert_reciprocals): Use it.
1688 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1690 * dwarf2out.c (free_AT): Delete.
1691 (remove_AT): Update string ref counts.
1692 (remove_child_TAG): Don't call free_die.
1694 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1695 or DW_TAG_GNU_EINCL.
1696 (prune_unused_types_walk_attribs): Reset string refcounts.
1697 (prune_unused_types_update_strings): New.
1698 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1699 call free_die. Do call prune_unused_types_update_strings.
1700 (prune_unused_types): Empty debug_str_hash.
1702 2006-04-17 Roger Sayle <roger@eyesopen.com>
1704 * expr.c (expand_assignment): Optimize away no-op moves where the
1705 source and destination are equal and have no side-effects.
1707 2006-04-17 Richard Guenther <rguenther@suse.de>
1710 * reload.c (push_reload): Guard calls to get_secondary_mem
1713 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1715 * alias.c (reg_base_value, old_reg_base_value): Change the
1716 type to VEC(rtx,gc) *.
1717 (REG_BASE_VALUE, find_base_value, record_set,
1718 init_alias_analysis): Use VEC instead of VARRAY.
1720 * alias.c (alias_sets): Change the type to
1721 VEC(alias_set_entry,gc) *.
1722 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1723 VEC instead of VARRAY.
1724 (last_alias_set): Remove.
1726 * cgraph.h (cgraph_edge_p): New.
1727 Update the prototype of cgraph_function_versioning.
1728 * cgraphunit.c (cgraph_copy_node_for_versioning,
1729 cgraph_function_versioning): Use VEC instead of VARRAY.
1730 * ipa-cp.c (ipcp_insert_stage): Likewise.
1732 2006-04-16 Roger Sayle <roger@eyesopen.com>
1735 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1736 "A op B" or "A op C", we may need to convert A to the type of B and C.
1738 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1740 * target.h (struct gcc_target): Add mode_rep_extended.
1741 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1742 (init_num_sign_bit_copies_in_rep): Initialize it using
1744 (truncate_to_mode): Use it.
1745 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1746 * targhooks.h (default_mode_rep_extended): Declare it.
1747 * targhooks.c (default_mode_rep_extended): Define it.
1748 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1749 default_mode_rep_extended.
1750 (TARGET_INITIALIZER): Include it.
1751 * doc/tm.texi (Misc): Document it.
1752 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1753 (mips_truncated_to_mode): New function.
1755 2006-04-16 Roger Sayle <roger@eyesopen.com>
1758 * expr.c (compress_float_constant): Copy the narrow constant into
1759 a new pseudo before extending it to its final width.
1761 2006-04-16 Roger Sayle <roger@eyesopen.com>
1762 Andrew Pinski <pinskia@gcc.gnu.org>
1763 Dale Johannesen <dalej@apple.com>
1766 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1767 special case code to implement V8HImode and V16QImode with SSE2.
1769 2006-04-15 Roger Sayle <roger@eyesopen.com>
1771 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1772 trees are constructed with a suitable tree type.
1774 2006-04-15 Roger Sayle <roger@eyesopen.com>
1776 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1777 (integer_onep): Likewise.
1778 (integer_all_onesp): Likewise.
1779 (integer_pow2p): Likewise.
1780 (integer_nonzerop): Likewise.
1781 (real_zerop): Likewise.
1782 (real_onep): Likewise.
1783 (real_twop): Likewise.
1784 (real_minus_onep): Likewise.
1785 (int_size_in_bytes): Likewise.
1786 (host_integerp): Likewise.
1788 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1790 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1791 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1792 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1794 * tree-ssa-structalias.h (alias_info): Remove num_references.
1796 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1798 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1799 (output_bvb patterns): Likewise.
1800 * pa.c (output_bb): Use 'bb' insn for long branch case.
1801 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1802 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1803 1. Correct length operand for alternatives 1 and 2.
1804 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1805 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1807 2006-04-14 Roger Sayle <roger@eyesopen.com>
1809 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1810 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1811 were accidentally reverted by r112959.
1813 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1816 * except.h (eh_region_outermost): New prototype.
1817 * except.c (eh_region_outermost): New function.
1818 * tree-cfg.c (find_outermost_region_in_block): Use it.
1820 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1822 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1824 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1825 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1826 (init_reload, reload): Use VEC instead of VARRAY.
1827 * reload.h: Update the prototype for
1828 reg_equiv_memory_loc_varray.
1830 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1831 Eric Botcazou <ebotcazou@libertysurf.fr>
1833 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1836 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1839 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1840 to expand fallback builtin function call.
1842 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1845 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1846 and emit libcall here in case the builtin fails.
1847 (expand_builtin_strcmp): Always emit the libcall here on failure.
1849 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1851 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1852 * flow.c (reg_n_info): Change the type to
1853 VEC(reg_info_p,heap) *.
1854 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1856 * regs.h (reg_info_p): New.
1857 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1858 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1859 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1862 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1864 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1866 * params.h (MAX_SCHED_READY_INSNS): New macro.
1867 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1868 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1869 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1870 the ready list for 1 cycle during the first scheduling pass.
1871 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1873 2006-04-13 Richard Henderson <rth@redhat.com>
1876 * gimple-low.c (lower_omp_directive): Remove dead code.
1877 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1878 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1879 * omp-low.c (struct omp_region): Move to tree-flow.h.
1880 (root_omp_region): Export.
1881 (omp_regions, lookup_omp_region): Remove.
1882 (determine_parallel_type): Update for struct omp_region changes.
1883 (dump_omp_region): Dump regions with block numbers.
1884 (new_omp_region): Take type and block instead of stmt; malloc
1886 (free_omp_region_1, free_omp_regions): New.
1887 (expand_parallel_call): Take entry_stmt as argument; update for
1888 changes to omp_region.
1889 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1890 (remove_exit_barriers): New.
1891 (expand_omp_parallel): Update for struct omp_region changes.
1892 (expand_omp_synch): Likewise.
1893 (expand_omp): Likewise.
1894 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1895 (expand_omp_for_static_chunk): Likewise.
1896 (expand_omp_for): Likewise.
1897 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1898 (expand_omp_sections): Similarly, with GOMP_sections_end.
1899 (expand_omp_single): New.
1900 (build_omp_regions_1): Update for OMP_CONTINUE.
1901 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1902 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1903 OMP_SECTIONS_SECTIONS.
1904 (lower_omp_single_simple): Don't emit barrier here.
1905 (lower_omp_single_copy): Likewise.
1906 (lower_omp_single): Fix bindings, and lower to straightline now.
1907 (lower_omp_master, lower_omp_ordered): Likewise.
1908 (lower_omp_critical): Likewise.
1909 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1910 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1911 omp edges, free it afterward.
1912 (make_omp_sections_edges): Remove.
1913 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1914 (move_stmt_r): Handle OMP_CONTINUE.
1915 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1916 statement pointers to basic blocks. Add type member.
1917 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1918 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1919 * tree-inline.c (estimate_num_insns_1): Likewise.
1920 * tree-pretty-print.c (dump_generic_node): Likewise.
1921 * tree-ssa-operands.c (get_expr_operands): Likewise.
1922 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1923 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1924 (OMP_CONTINUE): New.
1925 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1926 (OMP_SECTIONS_SECTIONS): Remove.
1927 (OMP_SECTION_LAST): New.
1928 (OMP_RETURN_NOWAIT): New.
1930 2006-04-13 Roger Sayle <roger@eyesopen.com>
1932 * fold-const.c (native_encode_vector, native_interpret_real):
1933 Correct obvious mistakes in the previous check-in.
1935 2006-04-13 Roger Sayle <roger@eyesopen.com>
1937 * fold-const.c (native_encode_expr): New function to encode
1938 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1939 or VECTOR_CST into a specified buffer.
1940 (native_encode_int): New function.
1941 (native_encode_real): New function.
1942 (native_encode_complex): New function.
1943 (native_encode_vector): New function.
1944 (native_interpret_expr): Inverse of native_encode_expr to convert
1945 a target representation into an INTEGER_CST, REAL_CST etc...
1946 (native_interpret_int): New function.
1947 (native_interpret_real): New function.
1948 (native_interpret_complex): New function.
1949 (native_interpret_vector): New function.
1950 (fold_view_convert_expr): New function to constant fold/evaluate
1951 a VIEW_CONVERT_EXPR of a suitable constant expression.
1952 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1953 Change call of build1 to fold_build1 when constructing a
1956 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1957 Ulrich Weigand <uweigand@de.ibm.com>
1960 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1963 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1966 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1967 optimize to lo_sum for DFmode if !TARGET_FPRS.
1969 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1971 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1972 delete_alias_info, compute_flow_sensitive_aliasing,
1973 group_aliases): Use VEC instead of VARRAY.
1974 * tree-ssa-structalias.c (update_alias_info): Likewise.
1975 * tree-ssa-structalias.h (alias_info): Change the type of
1976 processed_ptrs to VEC(tree,heap) *.
1978 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1981 * config/sh/lib1funcs.h: New file, broken out of:
1982 * config/sh/lib1funcs.asm.
1983 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1985 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1986 * config/sh/lib1funcs-Os-4-200.asm: New file.
1987 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1988 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1989 (EXTRA_MULTILIB_PARTS): Include it.
1990 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1991 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1992 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1993 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1996 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1998 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1999 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2000 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2002 * tree-ssa-live.h: Include vecprim.h.
2003 (tree_partition_associator_d): Change the type of
2004 first_partition to VEC(int,heap) *.
2005 (tpa_first_partition): Use VEC instead of VARRAY.
2007 * Makefile.in (GTFILES): Move functions.h after tree.h.
2008 * function.c (reset_block_changes, record_block_change,
2009 check_block_change, free_block_changes): Use VEC instead of
2011 * function.h (function): Change the type of
2012 ib_boundaries_block to VEC(tree,gc) *.
2013 * tree-inline.c (copy_cfg_body): Initialize
2014 ib_boundaries_block to NULL instead of (varray_type) 0.
2016 2006-04-12 Roger Sayle <roger@eyesopen.com>
2018 * expr.c (emit_group_store): Correct operand order in call to
2019 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2020 a SUBREG_BYTE of zero.
2022 2006-04-12 Richard Guenther <rguenther@suse.de>
2024 * profile.c (compute_branch_probabilities): Remove code
2025 encapsulated in !ir_type (), which are remanents of the
2026 removed RTL profiling code.
2027 * rtl-profile.c: Remove.
2029 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2031 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2032 magic NULL_RTX comment.
2033 (function_arg): Store entire fp arg to mem if any part should go
2035 (rs6000_arg_partial_bytes): Adjust for above change.
2037 2006-04-11 Roger Sayle <roger@eyesopen.com>
2039 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2040 if it hasn't been initialized by dwarf2out_init.
2042 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2044 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2045 symbolic constants in branch patterns.
2047 2006-04-11 Roger Sayle <roger@eyesopen.com>
2049 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2051 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2053 PR rtl-optimization/27073
2054 * gcse.c (try_replace_reg): Revert last change. Continue to search
2055 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2058 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2060 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2061 aggregate types other than record and union types.
2062 (function_arg): Likewise.
2063 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2065 (function_value): In 64-bit mode, return objects that require it
2068 2006-04-11 Roger Sayle <roger@eyesopen.com>
2070 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2072 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2074 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2076 2006-04-03 Jeff Law <law@redhat.com>
2079 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2080 alias information too.
2082 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2084 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2086 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2089 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2090 (premark_used_types_helper): New.
2091 (premark_used_types): New.
2092 (gen_subprogram_die): Call premark_used_types.
2093 (prune_unused_types_walk): Do not prune perennial dies.
2094 * function.c (used_types_insert): New.
2095 * function.h (struct function): Add used_types_hash field.
2096 (used_types_insert): Add prototype.
2097 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2098 * c-parser.c (c_parser_cast_expression): Save casted types in used
2101 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2104 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2105 rs6000_explicit_options.float_gprs.
2107 2006-04-10 Roger Sayle <roger@eyesopen.com>
2109 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2110 from ix86_expand_vector_init_low_nonzero. Take an additional
2111 one_var argument indicating which element is non-zero. Support
2112 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2113 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2114 with one_var instead of ix86_expand_vector_init_low_nonzero.
2116 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2118 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2119 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2120 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2121 build/genextract.o): Depend on vecprim.h.
2122 * cfglayout.c, df-problems.c, function.c, genextract.c,
2123 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2124 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2128 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2130 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2131 Declare VECs of this type.
2132 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2133 (remove_children): Delete.
2134 (add_dwarf_attr): Use VEC routines.
2135 (add_AT_flag): Update for changes to add_dwarf_attr.
2136 (add_AT_int): Likewise.
2137 (add_AT_unsigned): Likewise.
2138 (add_AT_long_long): Likewise.
2139 (add_AT_vec): Likewise.
2140 (add_AT_string): Likewise.
2141 (add_AT_die_ref): Likewise.
2142 (add_AT_fde_ref): Likewise.
2143 (add_AT_loc): Likewise.
2144 (add_AT_loc_list): Likewise.
2145 (add_AT_addr): Likewise.
2146 (add_AT_lbl_id): Likewise.
2147 (add_AT_lineptr): Likewise.
2148 (add_AT_macptr): Likewise.
2149 (add_AT_offset): Likewise.
2150 (add_AT_range_list): Likewise.
2151 (get_AT): Use VEC_iterate.
2152 (remove_AT): Use VEC_ordered_remove.
2153 (free_die): Fold remove_children into here; have it use VEC_iterate.
2154 (print_die): Use VEC_iterate on attrs.
2155 (reverse_die_lists): Don't reverse attr lists.
2156 (die_checksum): Use VEC_iterate on attrs.
2157 (same_die_p): Likewise.
2158 (output_location_lists): Likewise.
2159 (build_abbrev_table): Likewise.
2160 (size_of_die): Likewise.
2161 (unmark_all_dies): Likewise.
2162 (output_abbrev_section): Likewise.
2163 (output_die): Likewise.
2164 (prune_unused_types_walk_attribs): Likewise.
2166 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2168 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2170 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2173 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2175 2006-04-09 Roger Sayle <roger@eyesopen.com>
2177 * expr.c (store_constructor): Don't bother clearing target if
2178 we're about to assign a vector to it using vec_init_optab.
2180 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2182 * tree-ssa-alias.c (lhs_may_store_to): New function.
2183 (recalculate_used_alone): Handle LHS of calls.
2185 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2189 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2190 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2191 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2192 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2193 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2194 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2195 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2196 stubs. Add ".align 8" directives before all ".dword" directives.
2197 (GTHREAD_USE_WEAK): Revise comment.
2198 (TARGET_ATTRIBUTE_WEAK): Define.
2199 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2200 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2201 * stublib.c: New file.
2206 * pa.md (cbranch patterns): Revise arguments used in calls to
2207 output_cbranch, output_bb and output_bvd. Add long branch length
2209 (fbranch patterns): Handle long branches.
2210 (jump): Revise length check. Revise arguments for output_lbranch call.
2211 Add long branch length attributes.
2212 (decrement_and_branch_until_zero): Add long branch length attributes.
2213 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2214 Likewise. Revise arguments for output_parallel_addb and
2215 output_parallel_movb calls.
2216 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2217 output_parallel_movb and output_parallel_addb): Update prototypes.
2218 * pa.c (output_cbranch): Revise arguments. Correct handling of
2219 nullification in long branches.
2220 (output_lbranch): Add new argument to control extraction of delay
2222 (output_bb): Handle long branches.
2223 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2224 output_parallel_addb): Likewise.
2226 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2228 PR rtl-optimization/27073
2229 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2232 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2234 * tree.h (tree_memory_tag): Add old_used_alone.
2235 (SMT_OLD_USED_ALONE): New macro.
2236 * tree-ssa-alias.c (recalculate_used_alone): Stop
2237 marking things for renaming unnecessarily.
2239 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2241 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2242 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2243 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2244 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2245 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2246 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2247 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2248 spelling convensions.
2249 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2250 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2251 typos. Follow spelling conventions.
2253 2006-04-07 DJ Delorie <dj@redhat.com>
2255 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2256 passed on the stack.
2257 (m32c_init_cumulative_args): When a function returns a structure,
2258 always pass the pointer to that return area on the stack.
2259 (m32c_function_arg_advance): Don't increment the parameter number
2260 if we're processing the returned structure pointer.
2261 (pushm_info): Reverse order of registers.
2263 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2265 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2266 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2267 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2268 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2270 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2271 chrec_fold_multiply): Same.
2272 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2273 force_expr_to_var_cost): Same.
2274 * tree-mudflap.c (mf_xform_derefs_1): Same.
2275 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2277 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2279 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2280 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2283 2006-04-07 Jan Hubicka <jh@suse.cz>
2285 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2287 2006-04-07 Richard Guenther <rguenther@suse.de>
2289 PR tree-optimization/26135
2290 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2291 loads for store copy-prop.
2292 (copy_prop_visit_stmt): Likewise.
2294 2006-04-05 Robert Millan <robertmh@gnu.org>
2296 * config/i386/linux.h: Add a comment to mark macros that are
2297 being overriden in config/k*bsd-gnu.h.
2298 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2300 * config/knetbsd-gnu.h: Ditto.
2302 2006-04-06 Jan Hubicka <jh@suse.cz>
2306 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2309 2006-04-06 Mike Stump <mrs@apple.com>
2311 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2312 for HAVE_nonlocal_goto to be consistent.
2313 (expand_builtin_nonlocal_goto): Likewise.
2314 (expand_builtin_strcmp): Use #ifdef instead of #if
2315 for HAVE_cmpstrnsi to be consistent.
2317 2006-04-05 DJ Delorie <dj@redhat.com>
2319 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2322 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2324 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2325 got-relative addressing for anything but SImode.
2327 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2328 even if the calling function doesn't modify them.
2330 2006-04-05 Richard Guenther <rguenther@suse.de>
2332 PR tree-optimization/26919
2333 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2334 to cgraph_estimate_size_after_inlining.
2336 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2338 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2340 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2342 PR tree-optimization/26996
2343 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2344 VECTOR_TYPE variables.
2346 2006-04-05 Richard Guenther <rguenther@suse.de>
2348 PR tree-optimization/26763
2349 * fold-const.c (fold_comparison): Move folding of
2350 PTR + CST CMP PTR + CST ...
2351 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2353 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2355 * doc/install.texi (Prerequisites): Refine some wording on
2356 bootstrapping and ksh.
2357 Move the version numbers of DejaGnu here from the testing section
2358 and fix casing of names.
2359 Fix markup and clarify wording for autogen requirements.
2360 Refer to GCJ instead of just java.
2361 Refer to SVN instead of CVS.
2362 Describe diffutils as useful instead of necessary.
2363 (Downloading the source): Refer to SVN instead of CVS.
2364 Adjust a link to our web site accordingly.
2365 (Configuration): Fix casing of Bison.
2366 (Building): Refer to SVN instead of CVS.
2367 Fix a sentence on the use of Bison and remove duplicate (and
2368 incorrect) version number of Bison requirement.
2369 Remove one redundant list of packages needed for building.
2370 (Specific): Avoid reference to CVS.
2372 2006-04-04 Eric Christopher <echristo@apple.com>
2374 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2375 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2376 (rs6000_handle_struct_attribute): New.
2377 (rs6000_ms_bitfield_layout_p): Ditto.
2379 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2381 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2382 NULL for dso parameter to atexit_common.
2384 2006-04-04 Eric Christopher <echristo@apple.com>
2386 * config/i386/i386.c (machopic_output_stub): Output \t
2387 between instructions and operands.
2389 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2391 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2392 satisfies_constraint_[IL] to explicit tests on value.
2394 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2396 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2397 set_nb_iterations_in_loop): Use build_int_cst instead of
2399 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2400 build_int_cst instead of convert.
2402 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2404 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2405 new value 2 for incoming.
2406 * function.c (expand_function_start): Call struct_value_rtx
2408 * config/sparc/sparc.md: Comment updated_return.
2409 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2410 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2411 struct return if sparc_std_struct_return and incoming is 2.
2412 (print_operand): Do not adjust return if
2413 sparc_std_struct_return.
2415 2006-04-04 Roger Sayle <roger@eyesopen.com>
2417 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2418 convert in the middle-end.
2419 * expr.c (store_expr, store_constructor, get_inner_reference,
2420 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2422 * tree.c (build_range_type): Likewise.
2424 2006-04-04 Tom Tromey <tromey@redhat.com>
2426 * doc/install.texi (Prerequisites): Mention jar.
2428 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2430 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2433 2006-04-04 Matthias Klose <doko@debian.org>
2435 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2436 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2439 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2441 * doc/extend.texi (Function Attributes): Rewrite visibility
2442 attribute documentation.
2443 * doc/invoke.texi (C++ Dialect Options): Rewrite
2444 -fvisibility-inlines-hidden documentation to describe something
2445 entirely different, although in practise compatible.
2446 (Code Gen Options): Warn about system headers in -fvisibiltity=
2449 * doc/extend.texi (Other Builtins): Document that
2450 __builtin_nan is a compile-time constant only when its argument
2453 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2455 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2456 trying to remove TRUNCATE check if all bits outside the new mode
2457 are identical to the sign bit.
2459 2006-04-03 Jeff Law <law@redhat.com>
2461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2462 and operand scanning in some common cases.
2464 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2465 Dale Johannesen <dalej@apple.com>
2468 * regclass.c (struct reg_pref): Update documentation.
2469 (regclass): Set prefclass to NO_REGS if memory is the best option.
2470 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2471 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2472 into account. For non-registers, equate an empty preferred
2473 reload class to a `!' in the constraint; move the if clause to
2474 do so after those that reject the insn.
2475 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2477 (find_dummy_reload): Likewise.
2478 * doc/tm.texi (Register Classes): Document what it means
2479 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2480 * config/i386/i386.c (ix86_preferred_reload_class): Force
2481 using SSE registers (and return NO_REGS for floating-point
2482 constants) if math is done with SSE.
2483 (ix86_preferred_output_reload_class): New.
2484 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2485 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2486 * config/i386/i386.md: Remove # register preferences.
2488 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2491 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2492 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2493 the type of nb_iter.
2494 (instantiate_parameters_1): Convert the operands before calling
2495 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2496 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2498 2006-04-02 Roger Sayle <roger@eyesopen.com>
2500 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2501 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2503 * dojump.c (do_jump): Likewise.
2504 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2505 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2506 gimplify_boolean_expr): Likewise.
2507 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2508 * varasm.c (array_size_for_constructor): Likewise.
2509 * tree-object-size.c (compute_object_offset): Likewise.
2511 2006-04-02 Roger Sayle <roger@eyesopen.com>
2514 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2515 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2517 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2519 PR tree-optimization/26939
2520 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2522 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2524 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2525 at_stmt. Convert the type of operands before calling
2526 build_polynomial_chrec.
2527 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2529 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2530 (instantiate_parameters_1): Convert the type of operands before calling
2531 build_polynomial_chrec.
2532 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2533 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2534 reset_evolution_in_loop): Insert asserts to check the types of the
2536 (chrec_type): Moved...
2537 (eq_evolutions_p): Use operand_equal_p.
2538 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2539 the types of the operands.
2540 (chrec_type): ...here.
2541 * tree-data-ref.c (create_data_ref): Convert the operands before
2542 calling chrec_replace_initial_condition.
2543 (same_access_functions, analyze_subscript_affine_affine,
2544 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2545 (compute_subscript_distance, analyze_ziv_subscript,
2546 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2547 analyze_miv_subscript): Convert the operands before calling
2548 chrec_fold_minus or chrec_fold_plus.
2550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2552 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2553 the dependence_relations vector.
2554 (compute_data_dependences_for_loop): Adjust call to
2555 compute_all_dependences.
2557 2006-04-01 Roger Sayle <roger@eyesopen.com>
2558 Richard Henderson <rth@redhat.com>
2560 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2561 gimple_boolify on the condition before calling gimplify_expr.
2563 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2565 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2566 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2567 the frame size. Update to use the new macros.
2568 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2569 * config/xtensa/ieee754-df.S: Likewise.
2571 2006-03-31 Richard Henderson <rth@redhat.com>
2573 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2574 (make_edges): ... here. Control fallthru creation with a local
2575 variable. Do not play with fake edges.
2576 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2577 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2580 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2582 * dwarf2.h (DW64_CIE_ID): Define.
2583 * dwarf2out.c (DWARF_CIE_ID): Define.
2584 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2585 length header. Use DWARF_CIE_ID.
2586 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2587 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2589 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2591 * config/sh/linux-atomic.asm: New file.
2592 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2594 2006-03-31 DJ Delorie <dj@redhat.com>
2596 * config/m32c/cond.md: Set condition flags properly throughout.
2597 * config/m32c/minmax.md: Likewise.
2598 * config/m32c/prologue.md: Likewise.
2599 * config/m32c/bitops.md: Likewise.
2600 * config/m32c/muldiv.md: Likewise.
2601 * config/m32c/mov.md: Likewise.
2602 * config/m32c/addsub.md: Likewise.
2603 * config/m32c/m32c.md: Likewise.
2604 * config/m32c/jump.md: Likewise.
2605 * config/m32c/shift.md: Likewise.
2607 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2608 conditionally output the pattern for this.
2609 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2610 (m32c_compare_redundant): New.
2611 (m32c_output_compare): New.
2612 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2614 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2615 dest, not src. Allow other 4-byte modes.
2617 2006-03-30 Denis Chertykov <denisc@overta.ru>
2619 * doc/md.texi: Refer to avr/constraints.md instead of
2622 2006-03-30 Roger Sayle <roger@eyesopen.com>
2624 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2625 signed vs. unsigned comparison failures on some hosts.
2627 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2630 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2631 change to FLOAT_REGS.
2633 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2634 (rs6000_override_options): Use it.
2635 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2636 only for -mabi=spe/no-spe and -mabi=altivec.
2638 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2640 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2643 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2645 * Makefile.in: Rename docdir to gcc_docdir.
2647 2006-03-30 Roger Sayle <roger@eyesopen.com>
2650 * expr.c (emit_group_store): Optimize group stores into a pseudo
2651 register by using a paradoxical subreg to initialize the destination
2652 if the first or last member of the group specifies a "low part".
2654 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2657 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2658 * target.h (struct gcc_target.speculate_insn): Change type of the
2659 second parameter to 'int'.
2660 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2661 the second operand of the DEPS_LIST.
2662 (copy_DEPS_LIST_list): Update reference to the second operand of the
2664 * rtl.h (alloc_DEPS_LIST): Update signature.
2665 * sched-int.h (ds_t): Change typedef to 'int'.
2666 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2668 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2670 * haifa-sched.c (try_ready): Change condition to restore
2671 non-speculative pattern of the instruction.
2672 (process_insn_depend_be_in_spec): Code to keep probability of the
2673 speculative dependence non-decreasing.
2675 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2677 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2678 (single_move_for_movmem): ... this. Also change all uses.
2679 (bfin_expand_strmov): Renamed to...
2680 (bfin_expand_movmem): ... this. Also change all uses.
2681 * config/bfin/bfin.md (movstrsi): Renamed to...
2682 (movstrsi): ...this.
2684 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2686 PR tree-optimization/26830
2688 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2689 (copy_prop_visit_stmt): Remove write-only variable ann.
2690 (init_copy_prop): Check variable loop depth here. Do not simulate
2691 memory-tag and virtual operand PHIs except for store copy prop.
2693 2006-03-30 Richard Guenther <rguenther@suse.de>
2695 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2696 variants with double arguments.
2698 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2700 * genpreds.c (write_tm_constrs_h): Delete variable p.
2701 * genconditions.c (write_header): Add tm-constrs.h to included
2703 * genpeep.c (main): Add toplev.h to included headers.
2704 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2705 (build/genpeep.o): Add toplev.h dependency.
2706 * config/rs6000/constraints.md: Add "W" constraint.
2708 2006-03-29 Roger Sayle <roger@eyesopen.com>
2710 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2711 sizes by correctly testing whether the size fits a host integer.
2712 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2713 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2714 SImode range for the default sizetype and bitsizetype.
2716 2006-03-29 Roger Sayle <roger@eyesopen.com>
2718 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2719 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2720 quickly if the argument is already of the correct type.
2721 Call fold_build1 instead of build1. Tidy up blank lines.
2723 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2725 * genemit.c (main): Add tm-constrs.h to included headers.
2726 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2727 * genpeep.c (main): Add tm-constrs.h to included headers.
2728 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2729 (write_tm_constrs_h): this and write complete file.
2730 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2731 (write_insn_preds_c): Add tm-constrs.h to included headers.
2732 (gen_constrs): New variable.
2733 (parse_option): Parse "-c".
2734 (main): Invoke write_tm_constrs_h.
2735 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2736 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2737 (object_out_file): Add tm-constrs.h dependency.
2738 (insn-emit.o): Same.
2739 (insn-output.o): Same.
2740 (insn-peep.o): Same.
2741 (insn-preds.o): Same.
2742 (insn-recog.o): Same.
2743 (tm-constsr.h): New target.
2744 (s-constrs-h): New target.
2746 * config/rs6000/constraints.md: New file.
2747 * config/rs6000/rs6000.c: Include tm-constrs.h.
2748 (num_insn_constant_wide): Convert to satisfies_constraint.
2749 (rs6000_rtx_costs): Convert to satisfies_constraint.
2750 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2751 (CONST_OK_FOR_LETTER_P): Delete.
2752 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2753 (EXTRA_CONSTRAINT): Delete.
2754 (EXTRA_MEMORY_CONSTRAINT): Delete.
2755 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2756 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2757 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2758 satisfies_constraint.
2760 * config/i386/i386.c: Include tm-constrs.h.
2762 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2764 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2765 * tree-data-ref.c (find_data_references_in_loop,
2766 compute_data_dependences_for_loop): Use pointers to VEC.
2767 (analyze_all_data_dependences): Adjust calls.
2768 * tree-data-ref.h (find_data_references_in_loop,
2769 compute_data_dependences_for_loop): Adjust declarations.
2770 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2771 compute_data_dependences_for_loop.
2773 2006-03-29 Paul Brook <paul@codesourcery.com>
2775 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2778 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2780 PR tree-optimization/26859
2781 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2783 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2784 for the step after fold_convert.
2786 2006-03-29 Paul Brook <paul@codesourcery.com>
2788 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2789 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2791 2006-03-29 Paul Brook <paul@codesourcery.com>
2794 * targhooks.c (default_narrow_bitfield): New fuction.
2795 * targhooks.h (default_narrow_bitfield): add prototype.
2796 * target.h (gcc_target): Add narrow_volatile_bitfield.
2797 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2798 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2799 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2800 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2802 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2804 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2806 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2807 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2808 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2809 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2810 (s390_function_arg_float): Allow SDmode and DDmode values to be
2811 passed in floating point registers.
2812 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2813 check with SCALAR_FLOAT_MODE_P.
2814 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2816 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2818 PR tree-optimization/25985
2819 * tree-ssa-loop-niter.c (number_of_iterations_le,
2820 number_of_iterations_ne): Make comments more precise.
2821 (number_of_iterations_cond): Add only_exit argument. Use the
2822 fact that signed variables do not overflow only when only_exit
2824 (loop_only_exit_p): New.
2825 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2826 number_of_iterations_cond.
2828 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2830 PR tree-optimization/26643
2831 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2834 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2836 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2837 (divsi3_i4_int): Likewise.
2839 2006-03-28 Roger Sayle <roger@eyesopen.com>
2841 * expr.c (emit_group_store): Only create a new pseudo reg if the
2842 quantity it needs to hold isn't already a suitable pseudo.
2844 2006-03-28 Jeff Law <law@redhat.com>
2846 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2847 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2849 2006-03-28 Roger Sayle <roger@eyesopen.com>
2851 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2852 the equivalent ~X & Y, and the symmetry related transformations.
2853 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2854 ~X & Y, and symmetry related transforms.
2856 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2858 Revert my 2006-03-27 patches.
2860 2006-03-28 Roger Sayle <roger@eyesopen.com>
2862 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2863 ~(T1)X, when T1 and T2 are integer types of the same precision
2864 and (T2)X isn't an extension.
2866 2006-03-28 Jeff Law <law@redhat.com>
2868 PR tree-optimization/26796
2869 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2870 need EH edge cleanups rather than purging them immediately.
2871 (eliminate_degenerate_phis): Handle queued EH cleanups.
2873 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2875 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2878 2006-03-27 Roger Sayle <roger@eyesopen.com>
2881 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2882 cast BIT_NOT_EXPR operand to the correct type.
2884 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2886 * tree-loop-linear.c: Don't include varray.h.
2887 (gather_interchange_stats, try_interchange_loops,
2888 linear_transform_loops): Use VEC instead of VARRAY.
2889 * lambda-mat.c: Don't include varray.h.
2890 * tree-chrec.c: Same.
2891 * lambda-trans.c: Same.
2892 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2893 VEC instead of VARRAY.
2894 * tree-vectorizer.h: Idem.
2895 * tree-data-ref.c (dump_data_references,
2896 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2897 initialize_data_dependence_relation, finalize_ddr_dependent,
2898 compute_all_dependences, find_data_references_in_loop,
2899 compute_data_dependences_for_loop, analyze_all_data_dependences,
2900 free_dependence_relation, free_dependence_relations,
2901 free_data_refs): Idem.
2902 * tree-data-ref.h (data_reference_p, subscript_p): New.
2903 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2904 VEC instead of VARRAY.
2905 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2906 (find_data_references_in_loop, compute_data_dependences_for_loop,
2907 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2908 dump_data_dependence_relations, free_dependence_relations,
2909 free_data_refs): Adjust declaration.
2910 (lambda_transform_legal_p): Move declaration here...
2911 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2912 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2913 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2914 vect_analyze_data_refs): Use VEC instead of VARRAY.
2915 * lambda.h (lambda_transform_legal_p): ...from here.
2916 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2917 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2918 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2919 tree-chrec.o): Don't depend on VARRAY_H.
2921 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2923 * rtl.def (Copyright): Update date.
2924 (DEPS_LIST): Change type of the second operand to 'int'.
2925 * target.h (Copyright): Update date.
2926 (struct gcc_target.speculate_insn): Change type of the second parameter
2928 * lists.c (Copyright): Update date.
2929 (alloc_DEPS_LIST): Change signature. Update reference to the second
2930 operand of the DEPS_LIST.
2931 (copy_DEPS_LIST_list): Update reference to the second operand of the
2933 * rtl.h (Copyright): Update date.
2934 (alloc_DEPS_LIST): Update signature.
2935 * sched-int.h (Copyright): Update date.
2936 (ds_t): Change typedef to 'int'.
2937 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2939 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2941 * haifa-sched.c (Copyright): Update date.
2942 (try_ready): Change condition to restore non-speculative pattern
2944 (process_insn_depend_be_in_spec): Code to keep probability of the
2945 speculative dependence non-decreasing.
2947 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2949 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2950 shut up the compiler.
2952 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2954 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2955 to use lib prefix for target.
2956 ($(T)libic_invalidate_array_4-200.a): Likewise.
2957 ($(T)libic_invalidate_array_4a.a): Likewise.
2959 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2960 J"orn Rennecke <joern.rennecke@st.com>
2962 * superh.opt: New file.
2963 * sh.c (boardtype, osruntime): Remove.
2964 * superh.h (SUBTARGET_OPTIONS): Remove.
2965 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2967 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2968 arguments with ^ and/or [].
2970 * config.gcc (sh-*-*): Add quoting to account for quirk of
2972 Replace == with = in enable_incomplete_targets test.
2974 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2975 with MASK_LITTLE_ENDIAN.
2977 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2978 * config/sh/sh.opt: Added to some comments.
2979 * config/sh/superh.h: Removed some chaff.
2981 * config/sh/sh.opt: Add m4-[1234]00* options.
2982 * config/sh/sh.c (sh_handle_option): Likewise.
2983 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2984 (ic_invalidate_array_4-100.o): New rule.
2985 ($(T)libic_invalidate_array_4-100.a): Likewise.
2986 (ic_invalidate_array_4-200.o): Likewise.
2987 ($(T)libic_invalidate_array_4-200.a): Likewise.
2988 (ic_invalidate_array_4a.o): Likewise.
2989 ($(T)libic_invalidate_array_4a.a): Likewise.
2990 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2991 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2993 * config/sh/crt1.asm: Merged in profiling code.
2994 * config/sh/superh.h (STARTFILE_SPEC): Override.
2995 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2996 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2997 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2999 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3000 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3001 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3003 * sh.opt (mpretend-cmove): New option.
3004 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3005 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3006 (movsicc): Add TARGET_PRETEND_CMOVE code.
3008 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3010 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3011 s390_class_max_nregs): New function prototypes.
3012 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3013 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3014 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3015 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3017 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3019 * dwarf2out.c (add_location_or_const_value_attribute): Call
3020 tree_add_const_value_attribute if nothing else works.
3021 (reference_to_unused): New.
3022 (rtl_for_decl_init): Use reference_to_unused to decide whether
3023 to output an initializer.
3025 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3028 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3029 peephole removing spe frob_di_df_2.
3031 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3033 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3034 (subscript_dependence_tester_1): Declared.
3035 (print_dir_vectors, print_dist_vectors): New.
3036 (debug_data_dependence_relation): New.
3037 (dump_data_dependence_relation): Print more details.
3038 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3039 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3040 (save_dist_v, save_dir_v, add_outer_distances,
3041 build_classic_dist_vector_1): New.
3042 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3043 Don't test for lambda_vector_lexico_pos.
3044 (same_access_functions, add_multivariate_self_dist,
3045 add_other_self_distances, dir_from_dist): New.
3046 (build_classic_dir_vector): Replace implementation almost identical to
3047 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3049 (subscript_dependence_tester_1): New.
3050 (subscript_dependence_tester): Handle the lexicographically negative
3051 distance vectors by recomputing the dependence relation.
3052 (compute_affine_dependence): Remove parameter loop_nest_depth.
3053 (compute_self_dependence): Don't call compute_subscript_distance.
3054 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3055 Add a parameter for the loop_nest.
3056 (find_loop_nest_1, find_loop_nest): New.
3057 (compute_data_dependences_for_loop): Compute the loop nest, and give
3058 up if the nest is not well formed.
3059 * tree-data-ref.h (loop_p): New.
3060 (struct data_dependence_relation): Replace size_vect field with
3061 loop_nest, a vec of loops.
3062 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3063 (DDR_LOOP_NEST): New.
3064 (print_dir_vectors, print_dist_vectors,
3065 debug_data_dependence_relation): Declared.
3066 (index_in_loop_nest): New.
3067 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3068 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3071 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3073 * simplify-rtx.c (simplify_relational_operation): Call
3074 simplify_relational_operation_1 even if mode is VOIDmode.
3076 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3078 PR tree-optimization/26804
3079 * tree.h (DECL_CALL_CLOBBERED): New macro.
3080 (tree_decl_common): Add call_clobbered_flag.
3081 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3082 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3083 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3084 (mark_non_addressable): Ditto.
3085 * tree-ssa.c (verify_call_clobbered): New function.
3086 (verify_alias_info): Use it.
3087 * tree-pass.h (pass_reset_cc_flags): New prototype.
3088 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3089 (reset_cc_flags): New function.
3090 * passes.c (init_optimization_passes): Call reset_cc_flags after
3091 initializing referenced_vars.
3093 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3094 Roger Sayle <roger@eyesopen.com>
3097 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3098 to 1.0 for non-real operands. Implement A / A optimization for
3101 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3103 * config/i386/i386.c (size_cost): Correct the comment for
3104 cost of storing fp registers.
3105 (i386_cost): Likewise.
3106 (i486_cost): Likewise.
3107 (pentium_cost): Likewise.
3108 (pentiumpro_cost): Likewise.
3109 (k6_cost): Likewise.
3110 (athlon_cost): Likewise.
3111 (k8_cost): Likewise.
3112 (pentium4_cost): Likewise.
3113 (nocona_cost): Likewise.
3114 (generic64_cost): Likewise.
3115 (generic32_cost): Likewise.
3117 2006-03-24 Denis Chertykov <denisc@overta.ru>
3119 * config/avr/avr-protos.h (extra_constraint): Delete.
3120 (extra_constraint_Q): New declaration.
3121 * config/avr/constraints.md: New file.
3122 * config/avr/avr.md: Include it.
3123 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3124 (TMP_REGNO, ZERO_REGNO): Likewise.
3125 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3126 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3127 (extra_constraint): Delete.
3128 (extra_constraint_Q): Test for memory constraint 'Q'.
3129 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3130 (REG_CLASS_FROM_LETTER): Delete.
3131 (CONST_OK_FOR_LETTER_P): Delete.
3132 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3133 (EXTRA_CONSTRAINT): Delete.
3134 (TMP_REGNO): Delete.
3135 (ZERO_REGNO): Delete.
3137 2006-03-24 Jeff Law <law@redhat.com>
3139 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3140 directly. Call mark_new_vars_to_rename slightly earlier.
3142 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3144 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3146 (gen_compile_unit_die): Use new language types for Objective-C and
3148 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3149 DW_LANG_C_plus_plus.
3152 * config/t-darwin (crt3.o): Work around bug 26840.
3153 * config/darwin-crt3.c: Rewrite.
3154 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3156 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3158 * doc/invoke.texi: Document -femit-class-debug-always
3159 * common.opt: Add -femit-class-debug-always.
3161 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3163 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3164 index and base register.
3165 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3166 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3167 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3168 REGNO_OK_FOR_INDEX_P.
3169 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3171 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3172 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3173 REG_OK_FOR_BASE_P): Definitions removed.
3175 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3178 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3179 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3180 set yet or weren't marked as local yet.
3182 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3184 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3187 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3189 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3190 (rs6000_legitimate_small_data_p): Delete.
3191 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3192 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3193 and make static. Add forward declaration. Update uses.
3194 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3195 of offsettable_memref_p.
3196 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3197 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3199 2006-03-24 Jeff Law <law@redhat.com>
3201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3202 around bug in immediate-use iterator.
3204 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3207 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3208 or __LITTLE_ENDIAN__.
3210 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3212 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3213 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3214 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3215 * config/sh/sh.opt (mdiv=): Amend description.
3216 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3217 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3218 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3219 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3220 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3221 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3222 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3223 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3224 TARGET_DIVIDE_CALL_FP.
3226 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3228 * haifa-sched.c (choose_ready): Fix type of the local variable.
3229 Move local variables. Add comment.
3230 (check_reg_live): Change signature. Make callable from debugger.
3231 * sched-int.h (check_reg_live): Update signature.
3232 * sched-ebb.c (check_reg_live): Update parameters.
3233 * sched-rgn.c (check_reg_live): Ditto.
3234 (region_head_or_leaf_p): Check pointer before dereferencing.
3235 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3236 before reload on optimization levels below 1.
3238 2006-03-23 Richard Henderson <rth@redhat.com>
3240 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3244 * config/alpha/predicates.md (local_symbolic_operand): Reject
3247 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3250 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3251 expressions which have overflowed constants.
3253 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3255 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3257 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3259 * cfgloopmanip.c (create_loop_notes): Removed.
3260 * final.c (final_scan_insn): Do not handle loop notes.
3261 * jump.c (squeeze_notes): Ditto.
3262 * cfglayout.c (skip_insns_after_block,
3263 duplicate_insn_chain): Ditto.
3264 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3266 * cfgloop.h (create_loop_notes): Declaration removed.
3268 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3270 * varasm.c (output_constant_pool): Restore fnname and fndecl
3272 (assemble_start_function): Adjust call accordingly.
3273 (assemble_end_function): Likewise.
3275 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3278 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3281 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3283 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3286 * system.h (ICE_EXIT_CODE): New macro.
3287 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3288 (diagnostic_action_after_output): Likewise.
3289 * gcc.c (fatal_ice): New function.
3290 (execute): Use it instead of fatal.
3291 (fancy_abort): Likewise.
3292 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3294 2006-03-22 Jeff Law <law@redhat.com>
3296 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3297 iv_analyze_result returning false.
3299 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3301 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3303 2006-03-22 Richard Henderson <rth@redhat.com>
3306 * except.c (duplicate_eh_regions_0): New.
3307 (duplicate_eh_region_1): Duplicate the children of the node as
3308 well as the node itself. Link them up properly.
3309 (duplicate_eh_region_2): Merge into ...
3310 (duplicate_eh_regions): ... here. Take copy_region argument, and
3311 copy only a sub-tree if asked. Simplify copying and fixup.
3312 (eh_region_outer_p): New.
3313 * except.h (duplicate_eh_regions): Update decl.
3314 (eh_region_outer_p): Declare.
3315 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3316 (lower_omp_master): Likewise.
3317 (lower_omp_ordered): Likewise.
3318 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3319 (move_stmt_r): Use it to remap labels. Handle recursion vs
3320 remap_decls_p properly.
3321 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3322 (find_outermost_region_in_block): New.
3323 (new_label_mapper): New.
3324 (move_sese_region_to_fn): Copy eh information to the new function
3326 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3328 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3331 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3333 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3334 into shared libraries.
3336 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3338 * doc/md.texi: Refer to i386/constraints.md instead of
3340 * config/i386/constraints.md: New file, extracted from...
3341 * config/i386/predicates.md: ...here.
3342 * config/i386/i386.md: Include constraints.md.
3344 2006-03-21 Jason Merrill <jason@redhat.com>
3346 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3349 * expr.c (init_block_move_fn): Force default visibility.
3350 (init_block_clear_fn): Likewise.
3351 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3352 * targhooks.c (default_external_stack_protect_fail): Likewise.
3354 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3356 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3357 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3358 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3359 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3360 (loadgp): Use mips_current_loadgp_style.
3361 (loadgp_noshared): New pattern.
3362 (sibcall_internal): Use MIPS_CALL.
3363 (sibcall_value_internal): Likewise.
3364 (sibcall_value_multiple_internal): Likewise.
3365 (call_internal): Likewise.
3366 (call_value_internal): Likewise.
3367 (call_value_multiple_internal): Likewise.
3368 (call_split): Use MIPS_CALL and add an 'S' constraint.
3369 (call_value_split): Likewise.
3370 (call_value_multiple_split): Likewise.
3371 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3372 (-mshared): New option.
3373 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3374 (mips_current_loadgp_style): Declare.
3375 * config/mips/mips.c (mips_classify_symbol): Avoid using
3376 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3377 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3378 TARGET_ABSOLUTE_ABICALLS.
3379 (override_options): Adjust comments. Improve the warning that is
3380 issued when -mabicalls and -G are used together.
3381 (mips_file_start): Remove comment.
3382 (mips_current_loadgp_style): New function.
3383 (mips_gnu_local_gp): New variable.
3384 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3386 (mips_output_function_prologue): Use mips_current_laodgp_style.
3387 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3388 the cprestore instruction.
3389 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3390 live for TARGET_ABSOLUTE_ABICALLS.
3391 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3392 (ASM_SPEC): Pass down -mshared and -mno-shared.
3393 (MIPS_CALL): New macro.
3394 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3396 * doc/invoke.texi (-mabicalls): Update documentation.
3397 (-mshared): Document.
3399 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3401 * config/ia64/unwind-hpux.c: New file.
3402 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3404 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3407 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3409 2006-03-21 Jeff Law <law@redhat.com>
3411 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3412 type conversions of a VR_VARYING source to a wider type.
3414 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3416 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3417 tm_file on Solaris 10 and later.
3418 (sparc64-*-solaris2*): Likewise.
3419 (sparc-*-solaris2*): Likewise.
3420 * config/sol26.h: Rename to config/sol2-6.h.
3421 * config/sol2-10.h: New file.
3423 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3426 * tree-ssa-pre.c (create_component_ref_by_pieces):
3429 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3432 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3433 return it immediately.
3435 2006-03-21 Michael Matz <matz@suse.de>
3437 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3439 (remove_arc, add_arc): Update num_out_arcs member.
3440 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3442 (cache_presence): New function.
3443 (compare_states_for_equiv): New function.
3444 (state_is_differed): Don't take number of outargs, adjust callers.
3445 Use new invariant for speeding up.
3446 (init_equiv_class): Create initial classes based on sorted
3448 (partition_equiv_class): Don't track out_arcs_num.
3449 (evaluate_equiv_classes): Call cache_presence on all states and
3452 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3454 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3455 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3456 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3457 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3459 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3460 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3461 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3462 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3463 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3465 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3466 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3467 (REGNO_REG_CLASS): ARGP is in PREGS.
3468 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3470 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3471 to deal with those addresses.
3472 * addresses.h: New file.
3473 * caller-save.c: Include "addresses.h".
3474 (init_caller_save): Use new base_reg_class function.
3475 * rtl-factoring.c: Include "addresses.h".
3476 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3477 * recog.c: Include "addresses.h".
3478 (preprocess_constraints): Use new base_reg_class function.
3479 * regrename.c: Include "addresses.h".
3480 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3481 functions. Keep track of a new var INDEX_CODE to compute valid
3483 (replace_oldest_value_addr): Likewise.
3484 (replace_oldest_value_mem): Use base_reg_class.
3485 * reload.c: Include "addresses.h".
3486 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3487 (find_reloads): Use new base_reg_class function.
3488 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3489 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3490 all callers and prototype changed.
3491 * reload1.c: Include "addresses.h".
3492 (maybe_fix_stack_asms): Use base_reg_class.
3493 * regclass.c: Include "addresses.h".
3494 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3495 (init_reg_autoinc): Use new base_reg_class function.
3496 (record_reg_classes): Likewise.
3497 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3498 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3499 Use new args to compute necessary class.
3501 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3502 regrename.o, rtl-factoring.o): Update dependencies.
3503 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3504 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3505 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3506 REG_OK_FOR_INDEX_P): Delete documentation.
3508 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3510 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3511 from V7 to V9 for Solaris 7 and above.
3513 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3515 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3516 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3517 argument pointers may not alias any other storage.
3518 * common.opt: Define option -fargument-noalias-anything.
3519 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3520 alias semantics is specified by flag_argument_noalias > 2.
3522 2006-03-20 Jeff Law <law@redhat.com>
3524 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3525 (pass_phi_only_cprop): Declare.
3526 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3528 * tree-ssa-dom.c (degenerate_phi_result): New function.
3529 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3530 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3531 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3532 (eliminate_degenerate_phis): Likewise.
3533 (pass_phi_only_cprop): New pass descriptor.
3534 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3535 support code. Callers updated.
3536 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3537 (store_copy_prop): Likewise.
3538 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3540 2006-03-20 Jason Merrill <jason@redhat.com>
3543 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3544 (push_visibility, pop_visibility): Likewise.
3545 * c-pragma.h: Declare them.
3547 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3549 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3551 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3552 parameter and use get_ebb_head_tail.
3553 (sh_md_init_global): Adjust uses of find_regmode_weight.
3555 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3557 * function.h (struct function) <x_tail_recursion_reentry>:
3558 Rename to x_stack_check_probe_note.
3559 (tail_recursion_reentry): Rename to stack_check_probe_note.
3560 * function.c: Replace tail_recursion_reentry with
3561 stack_check_probe_note everywhere.
3562 (expand_function_start): Only emit a note for
3563 stack_check_probe_note with -fstack-protect.
3564 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3566 * emit-rtl.c (remove_unnecessary_notes): Remove.
3567 (pass_remove_unnecessary_notes): Remove.
3568 * rtl.h (remove_unnecessary_notes): Remove prototype.
3569 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3570 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3571 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3573 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3576 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3577 (valid_in_set): Handle ARRAY_REF.
3578 Change "if min_variant or VH" to asserts.
3579 (create_component_ref_by_pieces): Handle ARRAY_REF.
3580 (create_expression_by_pieces): Likewise.
3581 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3583 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3585 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3586 is operand of switch, not str[0].
3588 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3590 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3591 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3593 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3595 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3596 end of insn_extra_address_constraint declaration.
3598 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3600 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3601 (no-sum-in-toc): Same.
3602 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3604 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3605 NO_FP_IN_TOC for -fPIC instead of mask.
3607 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3608 (BOOT_LDFLAGS): Delete.
3610 * config/rs6000/t-aix52: Same.
3612 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3613 (stmsi[345678]_power): New.
3615 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3617 * config/ia64/ia64.opt: Add empty line to end of file.
3619 2006-03-17 Richard Guenther <rguenther@suse.de>
3622 * builtins.c (get_pointer_alignment): For component style references
3623 adjust alignment to the component type alignment. Make sure
3624 to adjust alignment for component access of constants.
3626 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3628 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3631 2006-03-17 Paul Brook <paul@codesourcery.com>
3633 * doc/install.texi: Docuemnt --with-mode.
3634 * config.gcc: Add --with-mode for arm*-*-*.
3635 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3637 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3639 * sh.c (max_labelno_before_reorg): New variable.
3640 (sh_reorg): Initialize it.
3641 (find_barrier): Check max_labelno_before_reorg before using
3642 label_to_alignment. Take length of explicit alignment insns
3643 into account. When seeing a UNSPECV_CONST_END, return it.
3645 * sh.c (fixup_mova): Set mode of affected label to QImode.
3646 (untangle_mova): New function.
3647 (find_barrier): Use it. Check mode of label before decrementing
3649 (sh_reorg): Likewise.
3650 Set mode of all insns back to VOIDmode.
3652 * sh.c (MOVA_LABELREF): New macro.
3653 (mova_p, fixup_mova, sh_reorg): Use it.
3654 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3655 ADDR_DIFF_VEC matches mova.
3657 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3659 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3660 with ATTRIBUTE_UNUSED.
3662 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3664 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3665 pointer, instead of assuming it is possible to derive the
3666 correct args size from a call insn.
3668 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3670 * rtl.h (CONST_INT_P): Define.
3671 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3672 instead of GET_CODE(x) == CONST_INT.
3673 (vax_rtx_costs): Likewise.
3674 (vax_output_int_move): Likewise.
3675 (vax_output_int_add): Likewise.
3676 (legitimate_constant_address_p): Likewise.
3677 (index_term_p): Likewise.
3678 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3679 * config/vax/vax.md (and<mode>3): Likewise.
3680 (ashrsi3): Likewise.
3682 (movstricthi): Likewise.
3683 (movstrictqi): Likewise.
3684 (rotrsi3): Likewise.
3685 (five unnamed insns): Likewise.
3687 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3689 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3690 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3691 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3692 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3693 Pass to ASM_OUTPUT_DWARF_OFFSET.
3694 * dwarf2out.c (debug_frame_section): New.
3695 (output_call_frame_info): Use debug_frame_section. Pass it to
3696 dw2_asm_output_offset.
3697 (output_die): Pass appropriate section to dw2_asm_output_offset.
3698 (output_compilation_unit_header): Likewise.
3699 (output_pubnames): Likewise.
3700 (output_aranges): Likewise.
3701 (enum dw_val_class): Break dw_val_class_lbl_offset into
3702 dw_val_class_lineptr and dw_val_class_macptr.
3703 (add_AT_lbl_offset): Delete.
3704 (add_AT_lineptr): New.
3705 (add_AT_macptr): New.
3706 (AT_lbl): Expect a lineptr or macptr.
3707 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3708 (attr_checksum): Likewise.
3709 (same_dw_val_p): Likewise.
3710 (size_of_die): Likewise.
3711 (value_format): Likewise.
3712 (output_die): Likewise.
3713 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3715 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3716 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3717 * config/darwin-protos.h (darwin_file_start): New.
3718 (darwin_asm_output_dwarf_offset): New.
3719 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3720 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3722 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3723 if not EH section; simplify.
3724 (darwin_file_start): New.
3725 (darwin_asm_output_dwarf_offset): New.
3726 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3728 (DEBUG_INFO_SECTION): Likewise.
3729 (DEBUG_ABBREV_SECTION): Likewise.
3730 (DEBUG_ARANGES_SECTION): Likewise.
3731 (DEBUG_MACINFO_SECTION): Likewise.
3732 (DEBUG_LINE_SECTION): Likewise.
3733 (DEBUG_LOC_SECTION): Likewise.
3734 (DEBUG_PUBNAMES_SECTION): Likewise.
3735 (DEBUG_STR_SECTION): Likewise.
3736 (DEBUG_RANGES_SECTION): Likewise.
3737 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3738 (ASM_OUTPUT_DWARF_OFFSET): New.
3740 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3742 * config.gcc (tm_defines): Always add to previous value rather
3745 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3747 * config/mips/predicates.md (splittable_const_int_operand): New,
3748 split from move_operand.
3749 (splittable_symbolic_operand): New.
3750 (move_operand): Add commentary. Use splittable_const_int_operand.
3751 Inline mips_atomic_symbolic_constant_p.
3752 * config/mips/mips.md: Add combine splitters for handling moves
3753 of splittable_const_int_operands and splittable_symbolic_operands.
3754 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3755 (mips_split_symbol): Declare.
3756 (mips_move_integer): Declare.
3757 * config/mips/mips.c (mips_split_p): Make global.
3758 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3759 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3760 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3761 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3762 (mips_offset_within_object_p): Handle block symbols.
3763 (mips_atomic_symbolic_constant_p): Delete.
3764 (mips_cannot_force_const_mem): Return false for constants that
3765 mips_legitimize_move can handle.
3766 (mips_use_blocks_for_constant_p): New function.
3767 (mips_split_symbol): Make global.
3768 (mips_move_integer): Likewise. Add a temporary register argument.
3769 (mips_legitimize_const_move): Use splittable_const_int_operand and
3770 splittable_symbolic_operand.
3771 (mips_use_anchors_for_symbol_p): New function.
3772 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3773 (mips_split_p): Declare.
3775 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3777 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3778 (mips*-*-linux*): Likewise.
3780 2006-03-16 Roger Sayle <roger@eyesopen.com>
3781 Daniel Speyer <dspeyer@wam.umd.edu>
3784 * tree-dump.c (dump_real): New function.
3785 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3786 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3787 (tree-dump.o): Add $(REAL_H) to the dependencies.
3789 2006-03-16 Roger Sayle <roger@eyesopen.com>
3792 * real.c (real_from_string): If the mantissa is zero, don't bother
3793 parsing the exponent as the result should always be zero.
3795 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3797 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3799 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3801 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3802 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3803 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3804 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3805 ia64_sched_finish_global): New static functions to implement
3806 hooks from gcc_target.sched.
3807 (spec_check_no, max_uid, pending_data_specs): New static variables.
3808 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3809 ia64_spec_check_src_p): New static functions.
3810 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3811 (TARGET_SCHED_ADJUST_COST): Removed.
3812 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3813 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3814 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3815 TARGET_SCHED_GEN_CHECK,
3816 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3817 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3818 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3819 Fixed to handle speculation checks.
3820 (rtx_needs_barrier): Fixed to handle speculative loads and
3822 (ia64_variable_issue): Added code to count speculative loads and their
3824 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3826 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3828 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3830 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3831 (ia64_reorg): Reset stops_p to NULL after it is freed.
3832 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3833 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3834 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3836 (data_speculative, control_speculative, check_load): New attributes.
3837 (mov<mode>_advanced, mov<mode>_speculative,
3838 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3839 zero_extend<mode>di2_speculative,
3840 zero_extend<mode>di2_speculative_advanced): New patterns for
3841 data and control speculative loads.
3842 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3844 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3845 New pattern for data and control speculation checks.
3846 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3847 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3848 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3849 Auxiliary definitions for the patterns.
3850 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3851 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3853 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3855 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3856 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3857 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3858 New resource constraints.
3859 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3861 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3862 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3863 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3864 msched-in-control-spec, msched-ldc, msched-control-ldc,
3865 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3866 msched-prefer-non-control-spec-insns,
3867 msched-count-spec-in-critical-path): New flags to tune speculative
3869 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3870 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3871 msched-in-control-spec, msched-ldc, msched-control-ldc,
3872 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3873 msched-prefer-non-control-spec-insns,
3874 msched-count-spec-in-critical-path): Document new flags.
3876 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3878 * target.h (struct spec_info_def): New opaque declaration.
3879 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3880 speculate_insn, needs_block_p, gen_check,
3881 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3882 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3883 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3884 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3885 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3886 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3888 (TARGET_SCHED): Use new macros.
3889 * rtl.h (copy_DEPS_LIST_list): New prototype.
3890 * sched-int.h (struct sched_info): Change signature of new_ready field,
3891 adjust all initializations. New fields: add_remove_insn,
3892 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3893 region_head_or_leaf_p.
3894 (struct spec_info_def): New structure declaration.
3895 (spec_info_t): New typedef.
3896 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3897 recovery_block, orig_pat.
3898 (glat_start, glat_end): New variables declaraions.
3899 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3901 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3902 DETACH_LIFE_INFO, USE_GLAT.
3903 (enum SPEC_SCHED_FLAGS): New enumeration.
3904 (NOTE_NOTE_BB_P): New macro.
3905 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3906 attach_life_info, debug_spec_status, check_reg_live): New functions.
3907 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3908 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3910 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3911 * ddg.c (get_block_head_tail): Adjust all uses.
3912 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3913 (sms_sched_info): Initialize new fields.
3914 (contributes_to_priority): Removed.
3915 * haifa-sched.c (params.h): New include.
3916 (get_block_head_tail): Adjust all uses.
3917 (ISSUE_POINTS): New macro.
3918 (glat_start, glat_end): New global variables.
3919 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3920 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3921 old_last_basic_block, before_recovery, current_sched_info_var,
3922 rgn_n_insns, luid): New static variables.
3923 (insn_cost1): New function. Move logic from insn_cost to here.
3924 (find_insn_reg_weight1): New function. Move logic from
3925 find_insn_reg_weight to here.
3926 (reemit_notes, move_insn, max_issue): Change signature.
3927 (move_insn1): Removed.
3928 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3929 extend_bb): New static functions to support extension of scheduler's
3931 (generate_recovery_code, process_insn_depend_be_in_spec,
3932 begin_speculative_block, add_to_speculative_block,
3933 init_before_recovery, create_recovery_block, create_check_block_twin,
3934 fix_recovery_deps): New static functions to support
3935 generation of recovery code.
3936 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3937 restore_bb_notes, move_block_after_check, move_succs): New static
3938 functions to support ebb scheduling.
3939 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3940 functions to support handling of register live information.
3941 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3942 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3943 add_jump_dependencies): New static functions.
3944 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3945 consistancy checking.
3946 (debug_spec_status): New function to call from debugger.
3947 (priority): Added code to handle speculation checks.
3948 (rank_for_schedule): Added code to distinguish speculative instructions.
3949 (schedule_insn): Added code to handle speculation checks.
3950 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3951 Fixed to handle ebbs.
3952 (move_insn): Added code to handle ebb scheduling.
3953 (max_issue): Added code to use ISSUE_POINTS of instructions.
3954 (choose_ready): Added code to choose between speculative and
3955 non-speculative instructions.
3956 (schedule_block): Added code to handle ebb scheduling and scheduling of
3957 speculative instructions.
3958 (sched_init): Initialize new variables.
3959 (sched_finish): Free new variables. Print statistics.
3960 (try_ready): Added code to handle speculative instructions.
3961 * lists.c (copy_DEPS_LIST_list): New function.
3962 * sched-deps.c (extend_dependency_caches): New function. Move logic
3963 from create_dependency_caches to here.
3964 (get_dep_weak, ds_merge): Make global.
3965 * genattr.c (main): Code to output prototype for
3966 dfa_clear_single_insn_cache.
3967 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3968 (output_dfa_clean_insn_cache_func): Code to output
3969 dfa_clear_single_insn_cache function.
3970 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3972 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3974 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3975 New static variables.
3976 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3977 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3979 (ebb_sched_info): Initialize new fields.
3980 (get_block_head_tail): Adjust all uses.
3981 (compute_jump_reg_dependencies): Fixed to use glat_start.
3982 (schedule_ebb): Code to remove unreachable last block.
3983 (schedule_ebbs): Added code to update register live information.
3984 * sched-rgn.c (region_sched_info): Initialize new fields.
3985 (get_block_head_tail): Adjust all uses.
3986 (last_was_jump): Removed. Adjust users.
3987 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3988 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3989 Implement new hooks.
3990 (check_dead_notes1): New static function.
3991 (struct region): New fields: dont_calc_deps, has_real_ebb.
3992 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3993 (BB_TO_BLOCK): Fixed to handle EBBs.
3994 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3995 (ebb_head): New static variable.
3996 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3997 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3999 (compute_dom_prob_ps): New assertion.
4000 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4001 global_live_at_start.
4002 (init_ready_list): New assertions.
4003 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4004 (new_ready): Add support for BEGIN_CONTROL speculation.
4005 (schedule_insns): Fixed code that updates register live information
4007 (schedule_region): Fixed to handle EBBs.
4008 (init_regions): Use extend_regions and check_dead_notes1.
4009 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4010 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4011 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4012 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4013 TARGET_SCHED_GEN_CHECK,
4014 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4015 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4016 * doc/invoke.texi (max-sched-insn-conflict-delay,
4017 sched-spec-prob-cutoff): Document.
4019 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4021 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4022 inter_tick, queue_index.
4023 (struct sched_info): Change signature of init_ready_list field.
4024 Adjust all initializations.
4025 (RESOLVED_DEPS): New access macro.
4026 (ready_add): Remove prototype.
4027 (try_ready): Add prototype.
4028 * sched-rgn.c (init_ready_list): Use try_ready.
4029 (schedule_region): Initialize
4030 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4031 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4032 (init_ready_list): Use try_ready.
4033 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4034 * lists.c (remove_list_elem): Remove `static'.
4035 (remove_free_INSN_LIST_elem): New function.
4036 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4037 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4038 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4040 (readyp): New variable.
4041 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4042 change_queue_index, resolve_dep): New static functions.
4043 (try_ready): New function. Adjust callers in sched-rgn.c and
4044 sched-ebb.c to use it instead of ready_add.
4045 (clock_var): Move at the begining of file.
4046 (rank_for_schedule): Fix typo.
4047 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4048 (ready_lastpos): Enforce assertion.
4049 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4051 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4052 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4053 (queue_to_ready): Use free_INSN_LIST_list.
4054 (early_queue_to_ready): Fix typo.
4055 (schedule_block): Init readyp. Move init_ready_list call after the
4056 initialization of clock_var. Fix error in rejecting insn by
4057 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4058 that previously corrected INSN_TICKs. Add code for handling
4060 (set_priorities): Fix typo.
4061 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4062 Clarify comment and code that keeps current_sched_info->next_tail
4065 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4067 * sched-rgn.c (extend_rgns): New static function.
4068 (find_rgns): Use it.
4069 (gather_region_statistics, print_region_statistics): New static
4071 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4072 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4074 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4075 Andrey Belevantsev <abel@ispras.ru>
4077 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4078 * lists.c (unused_deps_list): New variable.
4079 (free_list): Add assertions to verify the proper distinguishing
4080 between INSN_LISTs and DEPS_LISTs.
4081 (find_list_elem, remove_list_elem, remove_list_node): New static
4083 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4084 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4085 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4086 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4088 (free_INSN_LIST_node): Likewise.
4089 * modulo-sched.c (current_sched_info): Initialize flags field.
4090 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4091 * rtl.def (DEPS_LIST): Define.
4092 * rtl.h: Declare new functions from lists.c.
4093 * sched-deps.c (spec_dependency_cache): New static variable.
4094 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4095 (add_dependence): Change return type to void. Move the logic to ...
4096 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4097 (delete_all_dependences): Add comment about forward_dependency_cache.
4098 Handle spec_dependency_cache. Handle DEPS_LISTs.
4099 (fixup_sched_groups): Clarify the change of priority of output
4100 and anti dependencies.
4101 (sched_analyze_2): Adjust add_dependence calls to create data
4102 speculative dependence.
4103 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4104 Adjust all callers. Handle DEPS_LISTS.
4105 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4106 presence of speculation.
4107 (init_dependency_caches, free_dependency_caches):
4108 Handle spec_dependency_cache.
4109 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4110 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4111 New static functions.
4112 (add_or_update_back_dep, add_or_update_back_forw_dep,
4113 add_back_forw_dep, delete_back_forw_dep): New functions.
4114 * sched-int.h (ds_t, dw_t): New typedefs.
4115 (struct sched_info): Add new field flags.
4116 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4117 Prototype new sched-deps.c functions.
4118 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4119 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4120 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4121 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4122 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4123 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4125 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4127 * sched-rgn.c (current_sched_info): Initialize flags field.
4128 (schedule_insns): Initialize current_sched_info before the sched_init
4130 * sched-ebb.c (current_sched_info): Initialize flags field.
4131 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4132 Call add_or_update_back_dep instead of add_dependence.
4133 Create control speculative dependencies.
4134 (schedule_insns): Initialize current_sched_info before the sched_init
4137 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4139 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4141 (sh_fallback_frame_state): Likewise.
4143 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4145 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4146 Do switch on default_use_cxa_atexit.
4147 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4148 * config/darwin-crt3.o: New.
4149 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4150 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4151 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4153 * config/rs6000/t-darwin: Move crt2.o building to here.
4154 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4155 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4158 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4160 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4161 from '! xxx' to '!xxx' for coding-style conformance.
4162 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4163 (EXTRA_CONSTRAINT): Likewise.
4164 * config/vax/vax.md (four unnamed insns): Likewise.
4166 2006-03-15 Paul Brook <paul@codesourcery.com>
4168 * config/arm/arm.c (minipool_pad): New.
4169 (add_minipool_forward_ref): Include pool alignment padding in address
4171 (push_minipool_fix): Set minipool_pad.
4172 (minipool_pad): Ditto.
4174 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4176 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4177 instead of GET_CODE() == MEM and REG_P() instead of
4179 (print_operand_address): Likewise.
4180 (vax_address_cost): Likewise.
4181 (vax_rtx_costs): Likewise.
4182 (vax_notice_update_cc): Likewise.
4183 (vax_output_int_add): Likewise.
4184 (INDEX_REGISTER_P): Likewise.
4185 (BASE_REGISTER_P): Likewise.
4186 (nonindexed_address_p): Likewise.
4187 (vax_mode_dependent_address_p): Likewise.
4188 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4189 (PRINT_OPERAND): Likewise.
4190 * config/vax/vax.md (ashlsi3): Likewise.
4191 (ashlsi3): Likewise.
4192 (some more unnamed insns): Likewise.
4194 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4196 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4197 iterator-style macro.
4198 (mark_control_dependent_edges_necessary): Update the use of
4199 EXECUTE_IF_CONTROL_DEPENDENT.
4201 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4203 * config/sh/predicates.md (cache_address_operand): Special.
4204 (ua_address_operand): Likewise.
4206 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4208 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4210 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4212 2006-03-15 Andreas Schwab <schwab@suse.de>
4214 * gensupport.c (identify_predicable_attribute): Don't free p_false
4215 when it is still in use.
4217 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4219 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4220 the default setting here.
4222 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4224 * tree-pass.h (pass_cfg): Remove.
4225 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4226 * passes.c (pass_cfg): Don't run it.
4228 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4230 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4231 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4233 (stack_regs_mentioned): Update the uses of
4234 stack_regs_mentioned_data. Don't access the array beyond its
4236 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4237 Don't include gt-reg-stack.h.
4239 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4240 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4242 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4245 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4248 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4250 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4252 2006-03-14 Richard Guenther <rguenther@suse.de>
4254 PR tree-optimization/26672
4255 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4258 2006-03-14 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/26667
4261 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4262 node for the callees. Always allow inlining if it will shrink
4265 2006-03-14 Richard Guenther <rguenther@suse.de>
4268 * builtins.c (get_pointer_alignment): Prefer alignment
4269 information from decls over that from types.
4271 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4274 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4276 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4278 * config/rs6000/rs6000.opt (mdlmzb): New option.
4279 (msched-prolog, msched-epilog): Use Var not Mask.
4280 * doc/invoke.texi (-mdlmzb): Document.
4281 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4283 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4284 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4286 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4288 PR rtl-optimization/25739
4289 * bt-load.c (augment_live_range): Free tos pointer.
4291 * gensupport.c (identify_predicable_attribute): Free
4293 * gcov.c (create_file_names): Free name pointer.
4295 2006-03-13 Roger Sayle <roger@eyesopen.com>
4298 * stmt.c (emit_case_nodes): Handle the case where the index is a
4299 CONST_INT, where the comparison mode is specified by the index type.
4301 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4303 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4306 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4308 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4309 (*branch_fp_inverted): Likewise.
4311 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4314 * omp-low.c (expand_omp_for_generic): Mark istart0
4315 and iend0 as addressable.
4317 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4319 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4321 2006-03-13 Jeff Law <law@redhat.com>
4323 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4324 virtual operands are interesting.
4325 (vrp_visit_stmt): Corresponding changes.
4327 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4329 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4331 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4332 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4333 * config/bfin/crti.S: Use it instead of __PIC__.
4334 * config/bfin/crtn.S: Likewise.
4336 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4337 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4339 Lose 'G' modifier for call operand.
4340 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4341 recognize 'G' modifier.
4343 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4346 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4347 * stmt.c (expand_case): Likewise.
4349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4351 PR rtl-optimization/26254
4352 * loop-invariant.c (seq_insns_valid_p): New function.
4353 (move_invariant_reg): Only emit new code if it is valid.
4355 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4357 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4359 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4360 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4361 (commit_one_edge_insertion): Do not look for loop notes.
4363 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4365 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4366 flag_test_coverage out of loop.
4368 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4370 * final.c (shorten_branches): Remove outdated comment, and turn
4371 the if branch that guards it to continue.
4373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4375 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4376 * cfgloop.h (struct loop): Remove unused fields.
4378 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4380 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4381 (-dL, -fdump-rtl-loop2): Update the dump file names
4383 * doc/invoke.texi: Update dump file names.
4385 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4387 * predict.c (estimate_probability): Remove.
4388 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4389 * basic-block.h (estimate_probability): Remove prototype.
4390 * passes.c (finish_optimization_passes): Dump branch prediction or
4391 profiling heuristics to the .profile tree dump.
4392 (init_optimization_passes): Unqueue pass_branch_prob.
4394 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4396 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4398 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4399 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4401 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4403 * function.h (frame_offset_overflow): Declare.
4404 * function.c (frame_offset_overflow): New function.
4405 (assign_stack_local_1): Call it to detect that the offset overflows.
4406 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4408 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4410 * config/sh/sh.c: Include alloc-pool.h.
4411 (label_ref_list_pool): New alloc pool.
4412 (label_ref_list_t): New type for lists of labels.
4413 (struct pool_node): Make wend a label_ref_list_t.
4414 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4416 (dump_table): Likewise.
4417 (sh_reorg): Set up the alloc pool before using add_constant and
4418 dump_table, and destroy it when finishing.
4420 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4422 * config/mips/mips.c: Remove redundant comment.
4424 2006-03-10 Jason Merrill <jason@redhat.com>
4427 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4428 the target was declared 'register'.
4430 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4432 * genpreds.c (write_insn_constraint_len): Change definition of
4433 insn_constraint_len to return size_t to match the declaration.
4435 2006-03-10 DJ Delorie <dj@redhat.com>
4437 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4439 (m32c_expand_insv): Fix test for an AND mask.
4441 2006-03-10 Richard Guenther <rguenther@suse.de>
4444 * builtins.c (get_pointer_alignment): Handle component
4445 references for field alignment.
4447 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4449 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4450 when building with libgloss.
4451 (sh*elf): Implement --without-fp option.
4452 (sh64-superh-linux*): Don't multilib.
4454 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4456 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4458 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4460 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4461 Set it when one of the replacement functions returned true.
4462 Return TODO_cleanup_cfg if cfgchanged is true.
4463 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4465 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4467 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4468 instead of gen_lowpart.
4470 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4472 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4474 (mips_output_order_conditional_branch): Declare.
4475 * config/mips/mips.h (MIPS_BRANCH): New macro.
4476 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4477 for the comparison. Use gen_condjump.
4478 (mips_output_conditional_branch): Rework interface to take the
4479 asm templates for a direct branch and the inverse of a direct branch.
4480 (mips_output_order_conditional_branch): New function.
4481 (mips_builtin_branch_and_move): New function.
4482 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4483 branch condition. Use gen_single_cc as the condition for
4484 __builtin_mips_upper_* or __builtin_mips_lower_*.
4485 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4486 Use VOIDmode for the branch condition.
4487 * config/mips/predicates.md (order_operator): New predicate.
4488 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4489 (branch_fp): Rename to...
4490 (*branch_fp): ...this. Remove mode from comparison operator.
4491 Use new mips_output_conditional_branch interface.
4492 (branch_fp_inverted): Rename to...
4493 (*branch_fp_inverted): ...this and update as for *branch_fp.
4494 (*branch_zero<mode>): Rename to...
4495 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4496 Use mips_output_order_conditional_branch. Only accept ordered
4498 (*branch_zero<mode>_inverted): Rename to...
4499 (*branch_order<mode>_inverted): ...this and update as for
4500 *branch_order<mode>.
4501 (*branch_equality<mode>): Accept zero as the second operand to
4502 the equality operator. Use the new mips_output_conditional_branch
4504 (*branch_equality<mode>_inverted): Likewise.
4505 (condjump): New expander.
4506 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4508 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4509 (bc1any2t, bc1any2f): Likewise.
4510 (single_cc): New expander.
4511 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4513 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4515 * doc/md.texi: Update documentation of MIPS constraints.
4516 * config/mips/constraints.md: New file.
4517 * config/mips/mips.md: Include it.
4518 * config/mips/mips.c (mips_char_to_class): Delete.
4519 (override_options): Don't initialize mips_char_to_class.
4520 * config/mips/mips.h (mips_char_to_class): Delete.
4521 (REG_CLASS_FROM_LETTER): Delete.
4522 (CONST_OK_FOR_LETTER_P): Delete.
4523 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4524 (EXTRA_CONSTRAINT_Y): Delete.
4525 (EXTRA_CONSTRAINT_STR): Delete.
4526 (CONSTRAINT_LEN): Delete.
4527 (EXTRA_MEMORY_CONSTRAINT): Delete.
4529 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4531 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4532 original fn's eh regions.
4534 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4536 * fold-const.c (build_range_check): Make sure to use a valid type to
4537 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4540 (range_predecessor): New static function.
4541 (range_successor): Likewise.
4542 (merge_ranges): Use them to compute predecessors and successors of
4545 2006-03-09 Roger Sayle <roger@eyesopen.com>
4548 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4549 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4551 2006-03-08 DJ Delorie <dj@redhat.com>
4553 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4554 (addpsi3): Expand to include memory operands. Remove
4555 reload-specific splits.
4556 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4557 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4558 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4559 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4560 (shift1_qi, shift1_hi, insv): New.
4561 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4562 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4563 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4565 * config/m32c/m32c-protos.h: Update as needed.
4566 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4567 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4568 Fail for unrecognized R* constraints.
4569 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4570 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4571 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4573 (m32c_init_libfuncs): New.
4574 (m32c_legitimate_address_p): Add debug wrapper.
4575 (m32c_rtx_costs): New.
4576 (m32c_address_cost): New.
4577 (conversions): Add 'B' prefix.
4578 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4579 operands, or word regnames for QI operands. 'B' prints bit
4581 (m32c_expand_setmemhi): New.
4582 (m32c_expand_movmemhi): New.
4583 (m32c_expand_movstr): New.
4584 (m32c_expand_cmpstr): New.
4585 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4586 (m32c_expand_neg_mulpsi3): Handle non-ints.
4587 (m32c_cmp_flg_0): New.
4588 (m32c_expand_movcc): New.
4589 (m32c_expand_insv): New.
4590 (m32c_scc_pattern): New.
4591 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4592 a0/a1 out of SIregs.
4593 (STORE_FLAG_VALUE): New.
4594 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4597 * config/m32c/mov.md: Make constraints more liberal.
4598 (zero_extendqihi2): Optimize r0/r1 case.
4599 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4600 * config/m32c/predicates.md (m32c_any_operand): New.
4601 (m32c_nonimmediate_operand): New.
4602 (m32c_hl_operand): New.
4603 (m32c_r3_operand): New.
4606 (memsym_operand): New.
4607 (memimmed_operand): New.
4608 (a_qi_operand): New.
4609 (m32c_eqne_operator): New.
4610 (m32c_1bit8_operand): New.
4611 (m32c_1bit16_operand): New.
4612 (m32c_1mask8_operand): New.
4613 (m32c_1mask16_operand): New.
4614 * config/m32c/blkmov.md: New file.
4615 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4617 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4619 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4620 unsigned to fix signed/unsigned comparison issue in
4621 DWARF2_FRAME_REG_OUT.
4622 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4623 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4625 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4626 of ptr into the ENABLE_CHECKING section.
4628 2006-03-08 Jeff Law <law@redhat.com>
4630 * tree-vrp.c (infer_value_range): Only count pointer uses
4631 and dereferences if -fdelete-null-pointer-checks is enabled.
4633 * tree-vrp.c (find_assert_locations): Infer value ranges for
4634 single use pointers, but do not create ASSERT_EXPRs for them.
4635 When a non-null range is inferred for a pointer, backwards
4636 propagate that range to other equivalent pointers through the
4639 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4642 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4643 language hook targets.
4644 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4645 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4646 if language hook targets were missing.
4648 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4650 * tree-ssa-opfinalize.h: Removed.
4651 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4653 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4654 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4655 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4656 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4657 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4658 finalize_ssa_v_must_def_ops): New.
4660 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4662 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4665 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4667 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4669 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4670 addresses with offsets; reorganize.
4672 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4673 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4674 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4676 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4679 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4681 2006-03-08 Ben Elliston <bje@au.ibm.com>
4683 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4685 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4688 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4691 2006-03-07 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/26587
4694 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4696 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4698 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4700 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4702 * hooks.c (hook_bool_mode_rtx_true): New function.
4703 * hooks.h (hook_bool_mode_rtx_true): Declare.
4704 * toplev.c (compile_file): Call output_shared_constant_pool.
4705 * varasm.c (shared_constant_pool): New variable.
4706 (assemble_start_function, assemble_end_function): Remove arguments
4707 from call to output_constant_pool.
4708 (create_constant_pool): New function, split out from...
4709 (init_varasm_status): ...here.
4710 (force_const_mem): Choose between the shared and per-function constant
4711 pools. Set current_function_uses_const_pool when reusing old entries
4712 as well as when creating new ones.
4713 (mark_constant): Ignore data argument.
4714 (mark_constants): Remove pool argument.
4715 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4716 to decide whether the function uses a constant pool.
4717 (output_constant_pool_contents): New function, split out from...
4718 (output_constant_pool): ...here.
4719 (output_shared_constant_pool): New function.
4720 (init_varasm_once): Initialize shared_constant_pool.
4721 * output.h (output_constant_pool): Delete.
4722 (output_shared_constant_pool): Declare.
4723 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4724 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4726 2006-03-06 Nick Clifton <nickc@redhat.com>
4728 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4729 flag_strength_reduce.
4731 2006-03-06 Ben Elliston <bje@au.ibm.com>
4733 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4734 x86_64-*-linux* configurations.
4736 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4737 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4739 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4741 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4743 * basic-block.h: Remove the extern for
4744 rediscover_loops_after_threading.
4746 * cfgloop.c (cancel_loop): Make it static.
4747 * cfgloop.h: Remove the prototype for cancel_loop.
4749 * flow.c (recompute_reg_usage): Make it static.
4750 * rtl.h: Remove the prototype for recompute_reg_usage.
4752 * function.c (use_return_register): Make it static.
4753 * function.h: Remove the prototype.
4755 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4757 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4759 * recog.h: Remove the prototype for
4760 validate_change_maybe_volatile.
4762 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4764 * rtlanal.c (replace_reg): Remove.
4765 * rtl.h: Remove the prototype for replace_reg.
4767 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4769 * regclass.c (reg_scan_update): Remove.
4770 (reg_scan_mark_refs): Remove the last argument.
4771 * rtl.h: Remove the prototype for reg_scan_update.
4773 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4775 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4776 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4777 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4778 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4779 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4780 loop-invariant.c, omp-low.c, opts.c, passes.c,
4781 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4782 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4783 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4784 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4785 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4786 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4788 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4790 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4791 * dwarf2out.h: Remove the prototype for
4792 dwarf2out_add_library_unit_info.
4794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4796 * tree.c (add_var_to_bind_expr): Remove.
4797 * tree.h: Remove the prototype for add_var_to_bind_expr.
4799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4801 * regclass.c (n_non_fixed_regs): Remove.
4802 (init_reg_sets_1, globalize_reg): Remove all uses of
4804 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4808 * rtlanal.c (insns_safe_to_move_p): Remove.
4809 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4811 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4813 * expmed.c (expand_mult_add): Remove.
4814 * expr.h: Remove the prototype for expand_mult_add.
4816 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4818 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4819 and REG_SAVED_VAL_EXP constants.
4820 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4821 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4822 Handle regs stored by value.
4823 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4824 (execute_cfa_program): Handle DW_CFA_val_offset,
4825 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4826 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4827 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4828 (uw_install_context_1): Handle target regs stored by value.
4830 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4832 * tree-sra.c (tree_sra): Return todoflags;
4833 (generate_one_element): Set TODO_update_smt_usage if needed.
4834 (pass_sra): Remove TODO_update_smt_usage.
4835 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4837 (tree_ssa_forward_propagate_single_use_vars): Return
4838 TODO_update_smt_usage if we need to update SMT usage.
4839 (pass_forwprop): Remove TODO_update_smt_usage.
4841 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4843 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4844 (correct_use_link): Remove reference to get_stmt_operands.
4845 (update_stmt_operands): Likewise.
4846 (get_modify_expr_operands): New function factored out of
4847 parse_ssa_operands and get_expr_operands.
4848 Try to create V_MUST_DEFs for LHS by default.
4849 (get_expr_operands) <case MODIFY_EXPR>: Call
4850 get_modify_expr_operands.
4851 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4852 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4853 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4854 get_modify_expr_operands.
4856 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4858 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4859 * tree-flow.h: Remove the prototype for
4860 referenced_var_lookup_if_exists.
4862 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4864 PR rtl-optimization/26345
4866 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4868 2006-03-03 Roger Sayle <roger@eyesopen.com>
4870 PR tree-optimization/26524
4871 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4872 fold_convert to create a constant of the appropriate type.
4874 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4876 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4877 SYMBOL_REF_IN_BLOCK_P.
4878 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4879 of SYMBOL_FLAG_IN_BLOCK.
4880 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4881 instead of SYMBOL_REF_IN_BLOCK_P.
4882 * explow.c (use_anchored_address): Likewise.
4883 * rtl.c (rtx_size): Likewise.
4884 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4885 instead of SYMBOL_FLAG_IN_BLOCK.
4886 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4887 SYMBOL_REF_IN_BLOCK_P.
4888 (assemble_variable): Likewise.
4889 (output_constant_def_contents): Likewise.
4890 (output_constant_pool): Likewise.
4891 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4892 instead of SYMBOL_FLAG_IN_BLOCK.
4893 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4894 SYMBOL_REF_IN_BLOCK_P.
4895 (SYMBOL_REF_BLOCK): Likewise.
4896 (SYMBOL_REF_OFFSET): Likewise.
4897 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4898 SYMBOL_REF_IN_BLOCK_P.
4899 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4900 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4901 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4902 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4904 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4906 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4908 2006-03-02 Roger Sayle <roger@eyesopen.com>
4910 * simplify-rtx.c (simplify_unary_operation): When simplifying
4911 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4912 that we perform the right shift in the appropriate mode, and
4913 then extend or truncate the result to requested mode.
4915 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4917 * gengtype.c (main): Handle double_int type.
4918 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4919 * double-int.c: New file.
4920 * double-int.h: New file.
4921 * system.h: Include doubleint.h.
4922 * Makefile.in (SYSTEM_H): Include double-int.h.
4923 (double-int.o): Add.
4925 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4928 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4931 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4933 * tree-vrp.c (remove_range_assertions): Do not update statements
4936 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4938 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4940 * gcse.c (rest_of_handle_gcse): Ditto.
4941 * except.c (gate_handle_eh): Ditto.
4942 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4943 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4945 2006-03-02 Eric Christopher <echristo@apple.com>
4947 * config/i386/i386.c (machopic_output_stub): Add indirection to
4950 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4954 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4956 Sun Niagara specific optimizations.
4957 * config.gcc: Recognize niagara as target.
4958 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4959 (TARGET_CPU_niagara): Define.
4960 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4961 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4962 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4963 (ASM_CPU_SPEC): Likewise.
4964 (PROCESSOR_NIAGARA): New enum entry.
4965 (REGISTER_MOVE_COST): Handle Niagara.
4966 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4967 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4968 (sparc_override_options): Recognize "niagara", set appropriate
4969 default MASK_* values for it, and align functions to 32-bytes
4970 by default just like ULTRASPARC/ULTRASPARC3.
4971 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4972 (sparc64_initialize_trampoline): Likewise.
4973 (sparc_use_sched_lookahead): Use zero for niagara.
4974 (sparc_issue_rate): Use one for niagara.
4975 * config/sparc/niagara.md: New file.
4976 * config/sparc/sparc.md: Include it.
4977 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4978 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4979 when default cpu is niagara.
4980 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4981 (ASM_CPU_SPEC): Likewise.
4982 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4983 when default cpu is niagara.
4984 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4985 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4986 just like v9/ultrasparc/ultrasparc3.
4987 * doc/invoke.texi: Add documentation for "niagara" and improve
4988 existing documentation for ultrasparc variants.
4990 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4992 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4994 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4996 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4997 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4998 and say that only one is needed.
4999 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5000 * target.h (have_switchable_bss_sections): New hook.
5001 * explow.c (use_anchored_address): Check that the symbol is in a block.
5002 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5003 (bss_noswitch_section): New variables.
5004 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5005 (get_noswitch_section): New function.
5006 (get_block_for_section): Allow SECT to be null.
5007 (unlikely_text_section_p): Use SECTION_STYLE.
5008 (bss_initializer_p): New function.
5009 (get_variable_section): Move earlier in file. Take a new argument,
5010 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5011 Return one of the new *_sections in such cases.
5012 (get_block_for_decl): New function, extracting some logic from
5013 use_blocks_for_decl_p.
5014 (change_symbol_section): Remove in favor of...
5015 (change_symbol_block): ...this new function.
5016 (use_blocks_for_decl_p): Remove checks now performed by
5018 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5019 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5020 (emit_local, emit_bss, emit_common): ...these new functions.
5021 Return true if the alignment was honored.
5022 (emit_tls_common): New function.
5023 (asm_emit_uninitialised): Delete.
5024 (assemble_variable_noswitch): New function, split out from...
5025 (assemble_variable): ...here. Don't make decisions about common
5026 variables here. Globalize all public decls that go into non-common
5027 sections. Check whether SYMBOL_REF_BLOCK is null.
5028 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5029 (output_constant_pool): Likewise.
5030 (init_varasm_once): Initialize the new section variables.
5031 (have_global_bss_p): New function.
5032 (categorize_decl_for_section): Use bss_initializer_p.
5033 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5034 (place_block_symbol): Assert that the symbol must be in a block.
5035 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5036 (TARGET_INITIALIZER): Include it.
5037 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5038 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5039 (SECTION_MACH_DEP): Bump by two.
5040 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5041 (unnamed_section): Mention SECTION_UNNAMED in comment.
5042 (named_section): Likewise SECTION_NAMED.
5043 (noswitch_section_callback): New type.
5044 (noswitch_section): New structure.
5045 (section): Add a noswitch_section alternative.
5046 (SECTION_STYLE): New macro.
5047 (tls_comm_section, comm_section, lcomm_section): Declare.
5048 (bss_noswitch_section, have_global_bss_p): Declare.
5049 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5050 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5052 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5053 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5056 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5058 * tree-vrp.c (execute_vrp): Return value.
5059 * regrename.c (rest_of_handle_regrename): Ditto.
5060 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5061 * tree-complex.c (tree_lower_complex): Ditto.
5062 (tree_lower_complex_O0): Ditto.
5063 * tracer.c (rest_of_handle_tracer): Ditto.
5064 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5065 * postreload.c (rest_of_handle_postreload): Ditto.
5066 * tree-tailcall.c (execute_tail_recursion): Ditto.
5067 (execute_tail_calls): Ditto.
5068 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5069 * tree.h (init_function_for_compilation): Ditto.
5070 * ipa-cp.c (ipcp_driver): Ditto.
5071 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5072 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5073 * final.c (compute_alignments): Ditto.
5074 (rest_of_handle_final): Ditto.
5075 (rest_of_handle_shorten_branches): Ditto.
5076 (rest_of_clean_state): Ditto.
5077 * omp-low.c (execute_expand_omp): Ditto.
5078 (execute_lower_omp): Ditto.
5079 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5080 * ipa-reference.c (static_execute): Ditto.
5081 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5082 * reorg.c (rest_of_handle_delay_slots): Ditto.
5083 (rest_of_handle_machine_reorg): Ditto.
5084 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5085 * flow.c (recompute_reg_usage): Ditto.
5086 (rest_of_handle_remove_death_notes): Ditto.
5087 (rest_of_handle_life): Ditto.
5088 (rest_of_handle_flow2): Ditto.
5089 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5090 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5091 (do_ssa_store_ccp): Ditto.
5092 (execute_fold_all_builtins): Ditto.
5093 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5094 * modulo-sched.c (rest_of_handle_sms): Ditto.
5095 * ipa-pure-const.c (static_execute): Ditto.
5096 * cse.c (rest_of_handle_cse): Ditto.
5097 (rest_of_handle_cse2): Ditto.
5098 * web.c (rest_of_handle_web): Ditto.
5099 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5100 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5101 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5102 * tree-nrv.c (tree_nrv): Ditto.
5103 (execute_return_slot_opt): Ditto.
5104 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5105 (create_structure_vars): Ditto.
5106 * loop-init.c (rtl_loop_init): Ditto.
5107 (rtl_loop_done): Ditto.
5108 (rtl_move_loop_invariants): Ditto.
5109 (rtl_unswitch): Ditto.
5110 (rtl_unroll_and_peel_loops): Ditto.
5111 (rtl_doloop): Ditto.
5112 * gimple-low.c (lower_function_body): Ditto.
5113 (mark_used_blocks): Ditto.
5114 * tree-ssa-sink.c (execute_sink_code): Ditto.
5115 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5116 (cgraph_early_inlining): Ditto.
5117 * global.c (rest_of_handle_global_alloc): Ditto.
5118 * jump.c (cleanup_barriers): Ditto.
5119 (purge_line_number_notes): Ditto.
5120 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5121 (rest_of_handle_if_after_reload): Ditto.
5122 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5123 (tree_ssa_loop_im): Ditto.
5124 (tree_ssa_loop_unswitch): Ditto.
5125 (tree_vectorize): Ditto.
5126 (tree_linear_transform): Ditto.
5127 (tree_ssa_loop_ivcanon): Ditto.
5128 (tree_ssa_empty_loop): Ditto.
5129 (tree_ssa_loop_bounds): Ditto.
5130 (tree_complete_unroll): Ditto.
5131 (tree_ssa_loop_prefetch): Ditto.
5132 (tree_ssa_loop_ivopts): Ditto.
5133 (tree_ssa_loop_done): Ditto.
5134 * predict.c (tree_estimate_probability): Ditto.
5135 * recog.c (split_all_insns_noflow): Ditto.
5136 (rest_of_handle_peephole2): Ditto.
5137 (rest_of_handle_split_all_insns): Ditto.
5138 * tree-eh.c (lower_eh_constructs): Ditto.
5139 * regmove.c (rest_of_handle_regmove): Ditto.
5140 (rest_of_handle_stack_adjustments): Ditto.
5141 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5142 * function.c (instantiate_virtual_regs): Ditto.
5143 (init_function_for_compilation): Ditto.
5144 (rest_of_handle_check_leaf_regs): Ditto.
5145 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5146 (rest_of_handle_gcse): Ditto.
5147 * ipa-type-escape.c (type_escape_execute): Ditto.
5148 * alias.c (rest_of_handle_cfg): Ditto.
5149 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5150 * profile.c (rest_of_handle_branch_prob): Ditto.
5151 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5152 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5153 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5154 * tree-dfa.c (find_referenced_vars): Ditto.
5155 * except.c (set_nothrow_function_flags): Ditto.
5156 (convert_to_eh_region_ranges): Ditto.
5157 (rest_of_handle_eh): Ditto.
5158 * emit-rtl.c (unshare_all_rtl): Ditto.
5159 (remove_unnecessary_notes): Ditto.
5160 * except.h (set_nothrow_function_flags): Ditto.
5161 (convert_to_eh_region_ranges): Ditto.
5162 * cfgexpand.c (tree_expand_cfg): Ditto.
5163 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5164 * tree-ssa-pre.c (do_pre): Ditto.
5165 (execute_fre): Ditto.
5166 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5167 (rest_of_handle_jump2): Ditto.
5168 * tree-sra.c (tree_sra): Ditto.
5169 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5170 (execute_mudflap_function_decls): Ditto.
5171 * tree-ssa-copy.c (do_copy_prop): Ditto.
5172 (do_store_copy_prop): Ditto.
5173 * ipa-prop.h (ipcp_driver): Ditto.
5174 * cfglayout.c (insn_locators_initialize): Ditto.
5175 * tree-ssa-forwprop.c
5176 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5177 * cfglayout.h (insn_locators_initialize): Ditto.
5178 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5179 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5180 (execute_late_warn_uninitialized): Ditto.
5181 * rtl.h (cleanup_barriers): Ditto.
5182 (split_all_insns_noflow): Ditto.
5183 (purge_line_number_notes): Ditto.
5184 (unshare_all_rtl): Ditto.
5185 (remove_unnecessary_notes): Ditto.
5186 (recompute_reg_usage): Ditto.
5187 (variable_tracking_main): Ditto.
5188 * integrate.c (emit_initial_value_sets): Ditto.
5189 * integrate.h (emit_initial_value_sets): Ditto.
5190 * tree-optimize.c (execute_free_datastructures): Ditto
5191 (execute_free_cfg_annotations): Ditto.
5192 (execute_fixup_cfg): Ditto.
5193 (execute_cleanup_cfg_pre_ipa): Ditto.
5194 (execute_cleanup_cfg_post_optimizing): Ditto.
5195 (execute_init_datastructures): Ditto.
5196 * tree-object-size.c (compute_object_sizes): Ditto.
5197 * combine.c (rest_of_handle_combine): Ditto.
5198 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5199 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5200 (rest_of_handle_reorder_blocks): Ditto.
5201 (rest_of_handle_partition_blocks): Ditto.
5202 * var-tracking.c (variable_tracking_main): Ditto.
5203 * tree-profile.c (tree_profiling): Ditto.
5204 * tree-vect-generic.c (expand_vector_operations): Ditto.
5205 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5206 * sched-rgn.c (rest_of_handle_sched): Ditto.
5207 (rest_of_handle_sched2): Ditto.
5208 * basic-block.h (free_bb_insn): Ditto.
5209 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5210 * tree-cfg.c (execute_build_cfg): Ditto.
5211 (remove_useless_stmts): Ditto.
5212 (split_critical_edges): Ditto.
5213 (execute_warn_function_return): Ditto.
5214 (execute_warn_function_noreturn): Ditto.
5215 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5216 * cfgrtl.c (free_bb_for_insn): Ditto.
5217 * passes.c (execute_one_pass): Run additional
5218 todos returned by execute function.
5219 * tree-pass.h (struct tree_opt_pass): Make execute
5222 2006-03-02 Richard Guenther <rguenther@suse.de>
5224 * tree-ssa-alias.c (find_used_portions): Consider taking
5225 the address as making the variable not write-only.
5227 2006-03-02 Nick Clifton <nickc@redhat.com>
5229 * config.gcc (default_use_cxa_atexit): Extend the description of
5230 this configure variable. Set its default value to "yes" for
5231 Linux, NetBSD and ELF targets on the assumption that they will
5232 use C libraries with the __cxa_atexit function.
5234 2006-03-02 Ben Elliston <bje@au.ibm.com>
5236 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5237 parameter as unused to suppress a build warning.
5239 2006-03-02 Ben Elliston <bje@au.ibm.com>
5241 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5244 2006-03-01 Roger Sayle <roger@eyesopen.com>
5247 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5248 declared name, the weak reference name, and the typeof name.
5249 (__gthrw): Avoid expanding the declared name suffix.
5250 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5252 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5254 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5256 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5257 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5258 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5259 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5260 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5261 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5262 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5263 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5264 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5265 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5266 (DW_END_default, DW_END_big, DW_END_little): New.
5267 (DW_END_lo_user, DW_END_hi_user): Define.
5268 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5269 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5270 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5273 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5275 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5277 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5279 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5281 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5283 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5284 to 'symbol_mem_tag'.
5286 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5289 2006-03-01 Roger Sayle <roger@eyesopen.com>
5291 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5293 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5296 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5297 MACHO_DYNAMIC_NO_PIC_P.
5298 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5300 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5303 * config/darwin-protos.h (darwin_asm_output_anchor):
5305 * config/darwin-sections.def (cstring_section):
5306 Add SECTION_MERGE to the flags.
5307 (literal4_section): Likewise.
5308 (literal8_section): Likewise.
5309 (objc_selector_refs_section): Likewise.
5310 (objc_cls_refs_section): Likewise.
5311 * config/darwin.c (darwin_asm_output_anchor): New
5313 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5315 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5317 Fix PR tree-optimization/26443
5318 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5319 to todo and PROP_tmt_usage to properties_destroyed.
5320 * tree-ssa-ccp.c (pass_ccp): Ditto.
5321 (pass_store_ccp): Ditto.
5322 * tree-ssa-dom.c (pass_dominator): Ditto.
5324 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5326 * tree-ssa-operands.c: Cleanup whitespace.
5327 (get_asm_expr_operands): Move before first invocation.
5328 (get_indirect_ref_operands): Likewise.
5329 (get_tmr_operands): Likewise.
5330 (get_call_expr_operands): Likewise.
5331 (append_def): Likewise.
5332 (append_use): Likewise.
5333 (append_v_may_def): Likewise.
5334 (append_v_must_def): Likewise.
5335 (add_call_clobber_ops): Likewise.
5336 (add_call_read_ops): Likewise.
5337 (add_stmt_operand): Likewise.
5338 (add_virtual_operand): Likewise.
5339 (build_ssa_operands): Likewise.
5341 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5346 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5347 with a call expr to ...
5348 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5350 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5352 * tree-vrp.c (extract_range_from_assert): Remove special
5353 handling for types with super-types.
5355 2006-03-01 Ben Elliston <bje@au.ibm.com>
5357 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5358 and powerpc64-*-linux* configurations.
5359 * config/t-dfprules: New file.
5361 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5362 Compile dfp-bit.c from the source directory using -DWIDTH and
5363 $DFP_CFLAGS to control the compilation of that file, rather than
5364 generating width-specific versions in the build directory.
5365 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5366 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5368 2006-02-28 Zack Weinberg <zackw@panix.com>
5370 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5373 2006-02-28 Eric Christopher <echristo@apple.com>
5375 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5376 Set up IN_LIBGCC definition of TARGET_64BIT.
5377 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5379 2006-02-28 Roger Sayle <roger@eyesopen.com>
5382 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5383 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5384 cases via the construction of "expr != 0".
5386 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5388 * alias.c (alias_invariant, alias_invariant_size): Remove.
5389 (record_base_value): Remove.
5390 (memrefs_conflict_p): Don't look at alias_invariant.
5391 (end_alias_analysis): Don't free it.
5392 * alias.h (record_base_value): Remove prototype.
5394 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5395 Adam Nemet <anemet@caviumnetworks.com>
5397 * rtl.h (truncated_to_mode): Declare it.
5398 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5399 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5400 (RTL_HOOKS_INITIALIZER): Include it.
5401 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5402 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5403 reg_truncated_to_mode.
5404 * rtlanal.c (truncated_to_mode): Define it.
5405 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5407 2006-02-28 Jeff Law <law@redhat.com>
5409 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5410 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5411 the range allowed by TYPE_PRECISION.
5413 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5415 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5417 PR tree-optimization/26419
5418 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5421 2006-02-27 Zack Weinberg <zackw@panix.com>
5423 * doc/md.texi: Fix typo in previous change.
5425 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5429 2006-02-27 Zack Weinberg <zackw@panix.com>
5431 * rtl.def (define_constraint, define_register_constraint)
5432 (define_memory_constraint, define_address_constraint): New MD forms.
5433 * gensupport.c (process_rtx): Put define_constraint etc on the
5435 * genpreds.c (process_define_predicate): Adjust comment. Validate
5436 the name, and call validate_exp to validate the expression.
5437 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5438 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5439 all callers changed.
5440 (validate_exp, needs_variable, struct constraint_data)
5441 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5442 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5443 (const_dbl_constraints, constraint_max_namelen)
5444 (have_register_constraints, have_memory_constraints)
5445 (have_address_constraints, have_address_constraints)
5446 (have_extra_constraints, have_const_int_constraints)
5447 (have_const_dbl_constraints, mangle, add_constraint)
5448 (process_define_constraint, process_define_register_constraint)
5449 (write_enum_constraint_num, write_lookup_constraint)
5450 (write_insn_constraint_len, write_regclass_for_constraint)
5451 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5452 (write_insn_extra_memory_constraint)
5453 (write_insn_extra_address_constraint)
5454 (write_satisfies_constraint_fns): New.
5455 (write_tm_preds_h): If we have new-style constraint definitions,
5456 prototype the functions generated from them, and define the
5457 old constraint interface (still used by generic code) in terms of
5459 (write_insn_preds_c): If we have new-style constraint definitions,
5460 generate all relevant functions from those definitions.
5461 (main): Handle define_constraint etc.
5462 * genoutput.c (struct constraint_data, indep_constraints)
5463 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5464 (mdep_constraint_len): New data structures and functions, defined
5465 #ifdef USE_MD_CONSTRAINTS.
5466 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5467 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5468 use new logic to validate operand constraints against constraint
5470 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5472 * defaults.h: If none of the old-style constraint macros are
5473 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5474 old-style macros; and poison REG_CLASS_FROM_LETTER,
5475 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5477 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5478 * doc/md.texi: Document new constraint-definition mechanism and the
5479 C interface it provides. Remove references to old mechanism
5480 elsewhere in the document.
5481 (Machine Constraints): Use pathnames relative to gcc directory,
5482 i.e. config/ARCH/FILE. Change i386 section to refer to
5483 config/i386/predicates.md; update that section to match docstrings.
5484 * doc/tm.texi: Move all documentation of the old constraint-
5485 definition macros to their own section, clearly mark as obsolete.
5487 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5488 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5490 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5491 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5492 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5494 (splits and peepholes): Use satisfies_constraint_*.
5495 * config/i386/i386.c (memory_address_length)
5496 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5498 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5500 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5501 scalar operation to be put back into the loop.
5503 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5506 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5507 (extract_cie_info): Handle S flag in augmentation string.
5508 (execute_cfa_program): If context->signal_frame, execute also
5509 fs->pc == context->ra instructions.
5510 (uw_frame_state_for): If context->signal_frame, don't subtract one
5511 from context->ra to find FDE.
5512 (uw_update_context_1): Set context->signal_frame to
5514 (_Unwind_GetIPInfo): New function.
5515 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5516 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5518 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5519 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5520 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5521 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5522 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5523 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5524 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5525 x86_64_fallback_frame_state): Set fs->signal_frame.
5526 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5527 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5528 (frob_update_context): Likewise. Workaround missing S flag in
5529 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5530 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5531 Remove the psw_addr + 1 hack.
5533 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5535 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5536 with aggregates here.
5537 (find_func_aliases): Remove code for &<aggregate> from here.
5539 2006-02-26 Roger Sayle <roger@eyesopen.com>
5541 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5542 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5543 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5546 2006-02-26 Roger Sayle <roger@eyesopen.com>
5549 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5551 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5553 * opts.c (decode_options): Do not handle flag_strength_reduce.
5554 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5555 and OPT_fstrength_reduce.
5556 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5557 flag_prefetch_loop_arrays for being nonzero.
5558 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5560 (fprefetch-loop-arrays-rtl): Removed.
5561 (flag_prefetch_loop_arrays): Do not specify the value.
5563 * doc/passes.texi: Update documentation of loop optimizer
5565 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5566 -frerun-loop-opt): Remove.
5568 2006-02-26 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/26421
5571 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5572 in function calls that are ADDR_EXPRs as using the whole structure.
5574 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5576 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5577 * tree-pass.h (pass_loop_optimize): Remove.
5578 * passes.c (pass_loop_optimize): Never run it.
5579 * toplev.c (backend_init): Don't call init_loop.
5580 * opts.c (flag_loop_optimize_set): Remove.
5581 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5582 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5583 the old RTL loop optimizer when profiling enabled.
5584 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5585 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5586 pre-headers for the sake of the old RTL loop optimizer.
5587 * Makefile.in: Remove all references to loop.o.
5589 * doc/invoke.texi: Remove all references to -floop-optimize
5590 and -frerun-loop-opt.
5592 2006-02-26 Zack Weinberg <zackw@panix.com>
5594 * doc/md.texi (Machine Constraints): Refer to all files with paths
5595 relative to gcc directory (i.e. config/CPU/file). Add missing
5596 @table @code ... @end table to M32C subsection.
5598 2006-02-26 Roger Sayle <roger@eyesopen.com>
5600 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5602 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5604 2006-02-26 Roger Sayle <roger@eyesopen.com>
5605 James A. Morrison <phython@gcc.gnu.org>
5608 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5609 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5610 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5611 signedness of the shift operation.
5613 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5615 PR tree-optimization/26359
5616 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5618 2006-02-25 Roger Sayle <roger@eyesopen.com>
5620 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5621 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5622 as X == 0, and some symmetry related transformations.
5623 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5625 2006-02-25 Roger Sayle <roger@eyesopen.com>
5628 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5629 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5630 symmetry related transformations. Fold (X^C1) == C2 as
5633 2006-02-25 Juergen Weigert <jw@suse.de>
5634 Richard Guenther <rguenther@suse.de>
5636 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5638 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5640 * combine.c (gen_lowpart_or_truncate): Call
5641 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5643 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5645 * doc/invoke.texi: Move -fopenmp description to "Options for
5647 Remove reference to -lgomp.
5649 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5651 * doc/install.texi: Require GNU tar version 1.14.
5653 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5655 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5656 * doc/invoke.texi (C++ Dialect Options): Document
5657 -fno-use-cxa-get-exception-ptr.
5658 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5659 * configure: Regenerate.
5660 * c.opt (fuse-cxa-get-exception-ptr): New.
5661 * c-opts.c (c_common_handle_option): Handle
5662 OPT_fuse_cxa_get_exception_ptr.
5663 * c-common.c (flag_use_cxa_atexit): Update documentation.
5664 (flag_use_cxa_get_exception_ptr): New.
5665 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5666 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5668 (C_COMMON_OVERRIDE_OPTIONS): New.
5670 2006-02-24 Roger Sayle <roger@eyesopen.com>
5673 * combine.c (try_combine): Explicitly check whether GET_CODE is
5674 a SET or a CLOBBER, instead on checking that it isn't a USE.
5676 2006-02-24 Roger Sayle <roger@eyesopen.com>
5678 * fold-const.c (fold_comparison): New subroutine of fold_binary
5679 containing transformations common to both the equality and
5680 ordering relational operators, factored out of fold_binary.
5681 (fold_binary): Separate out the equality operators (EQ_EXPR
5682 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5683 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5684 transformations common to both.
5685 (fold_div_compare): Fix latent bugs in the previously unreachable
5686 LT_EXPR and GE_EXPR cases.
5688 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5690 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5691 decl libname for clog to __clog on AIX.
5693 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5695 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5698 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5699 output traceback table for thunks. Localise rs6000_stack_info call.
5701 2006-02-23 Roger Sayle <roger@eyesopen.com>
5702 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5704 * gthr-posix.h (__gthrw): Fix typo in comment.
5706 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5708 * doc/cpp.texi (Character sets): Document that we do support
5709 input files to be in any character set.
5711 2006-02-23 Jeff Law <law@redhat.com>
5713 * tree.h (PHI_ARG_NONZERO): Remove.
5714 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5715 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5716 node to the new node.
5718 PR tree-optimization/26425
5719 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5720 min/max, then assume its varying.
5722 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5724 PR rtl-optimization/26316
5725 * rtlanal.c (enum may_trap_p_flags): New.
5726 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5727 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5728 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5729 (may_trap_after_code_motion_p): New function.
5730 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5731 (find_invariant_insn): Use may_trap_after_code_motion_p.
5732 * rtl.h (may_trap_after_code_motion_p): Declare.
5734 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5736 * emit-rtl.c (immed_double_const): Cleanup.
5738 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5740 Fix PR tree-optimization/26376
5741 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5744 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5747 * gimplify.c (omp_add_variable): Guard variable size decl test with
5748 DECL_SIZE (decl) check.
5750 2006-02-23 Richard Guenther <rguenther@suse.de>
5753 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5754 like aggregate types.
5756 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5758 * configure.ac: Add --with{,out}-long-double-128 configure option.
5759 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5760 * configure: Rebuilt.
5761 * config.in: Rebuilt.
5762 * doc/install.texi (Options specification): Document
5763 --with-long-double-128.
5765 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5766 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5767 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5768 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5770 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5772 * config/s390/s390.c (override_options): Handle
5773 TARGET_DEFAULT_LONG_DOUBLE_128.
5775 * config/alpha/alpha.c (override_options): Handle
5776 TARGET_DEFAULT_LONG_DOUBLE_128.
5778 * config/sparc/sparc.c (sparc_override_options): Handle
5779 TARGET_DEFAULT_LONG_DOUBLE_128.
5781 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5783 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5784 (real-install-headers-tar, real-install-headers-cpio)
5785 (real-install-headers-cp): New targets.
5787 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5789 * tree.h (variable_section): Delete.
5790 * varasm.c (variable_section): Delete.
5792 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5794 * install.texi: Add notes on install.texi2html.
5795 (Building in parallel): Do not use footnotes.
5797 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5800 * doc/install.texi (Configuration): Document --disable-libgomp.
5802 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5804 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5806 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5808 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5809 (vec_extractv2df_0_sse): New.
5811 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5813 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5814 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5815 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5816 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5817 to the result of the expression.
5818 (def_cfa_1): Adjust.
5819 (frame_pointer_cfa_offset): Rename to...
5820 (frame_pointer_fb_offset): ... this. Adjust all uses.
5821 (convert_cfa_to_loc_list): Rename to...
5822 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5823 Pass it on to build_cfa_loc.
5824 (compute_frame_pointer_to_cfa_displacement): Rename to...
5825 (compute_frame_pointer_to_fb_displacement): ... this. New
5826 offset parameter. Use it in computation.
5827 (gen_subprogram_die): Compute cfa_fb_offset with the new
5828 macro, and use it to compute the fb loc list and the
5831 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5833 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5834 replaced with register_operand.
5835 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5836 non-DREG is expensive.
5837 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5838 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5841 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5843 * doc/install.texi2html: Use set -e.
5845 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5847 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5848 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5849 * doc/invoke.texi (-fshared-data): Delete.
5850 * common.opt (fshared-data): Delete.
5851 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5852 (assemble_static_space): Remove #if 0 code.
5853 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5854 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5855 * config/cris/cris.h: Remove FIXME.
5857 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5859 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5862 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5865 * combine.c (simplify_shift_const_1): Disable nested shifts
5866 optimization for vector shifts.
5868 2006-02-20 Roger Sayle <roger@eyesopen.com>
5870 PR tree-optimization/26361
5871 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5872 of unsigned integer types.
5874 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5876 * tree-chrec.c (eq_evolutions_p): New.
5877 * tree-chrec.h (eq_evolutions_p): Declared.
5878 * tree-data-ref.c: Fix formatting.
5879 (datadep_stats, dependence_stats): New.
5881 (print_direction_vector): New.
5882 (dump_data_dependence_relation): Use print_direction_vector.
5883 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5884 (compute_subscript_distance): Static.
5885 (initialize_data_dependence_relation): Static. Get the number
5886 of loops surrounding the references from the callers, and initialize
5887 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5888 base_object_differ_p analyzers.
5889 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5890 compute_overlap_steps_for_affine_1_2,
5891 analyze_subscript_affine_affine): Count the classified dependences.
5892 Print a message when a test failed.
5893 (can_use_analyze_subscript_affine_affine): New.
5894 (analyze_siv_subscript): Compute the data dependences on symbolic
5895 scevs that verify can_use_analyze_subscript_affine_affine.
5896 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5897 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5898 Handle symbolic scevs.
5899 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5901 (subscript_dependence_tester): Moved...
5902 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5903 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5904 DDR_SIZE_VECT instead of getting it in parameter.
5905 (subscript_dependence_tester): ... here. Take as a parameter
5906 loop_nest_depth. Call build_classic_dist_vector and
5907 build_classic_dir_vector.
5908 (compute_affine_dependence): Update subscript_dependence_tester
5909 parameters. Update datadep_stats counters. Call
5910 compute_subscript_distance.
5911 (compute_self_dependence): Save the dist and dir vectors. Call
5912 compute_subscript_distance.
5913 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5914 (compute_all_dependences): Reorder parameters as they were before
5915 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5916 compute_subscript_distance. Update the use of
5917 compute_affine_dependence and initialize_data_dependence_relation.
5918 (find_data_references_in_loop): Handle COMPONENT_REF.
5919 (compute_data_dependences_for_loop): Initialize dependence_stats.
5920 Don't call build_classic_dist_vector and build_classic_dir_vector.
5921 Update the parameters of initialize_data_dependence_relation and
5922 compute_all_dependences. Print the statistics from datadep_stats.
5923 (analyze_all_data_dependences): Static. Not used until the pass for
5924 checking the data dependences is contributed.
5925 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5926 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5927 (initialize_data_dependence_relation, compute_affine_dependence,
5928 analyze_all_data_dependences, compute_subscript_distance): Removed.
5929 (print_direction_vector): New.
5930 * lambda.h (gcd): ... here.
5931 (lambda_vector_gcd): Moved here from gcd_vector.
5932 * lambda-code.c (gcd, gcd_vector): Removed.
5933 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5934 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5936 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5938 * ipa-type-escape.c: Tidy some comments and white space.
5939 * tree-ssa-operands.c: Likewise.
5941 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5944 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5945 (dump_decl_name): Do not walk the decl tree chains.
5946 * tree-pass.h (TDF_CHAIN): Remove.
5948 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5950 * Makefile.in (C): Remove
5952 (.PHONY): Remove C and PROTO
5954 2006-02-20 Roger Sayle <roger@eyesopen.com>
5957 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5958 deprecated CHAR_TYPE tree code.
5960 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5962 * configure.ac (target_list): Add install-info, dvi, html.
5963 * configure: Regenerate.
5965 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5966 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5967 treelang/Make-lang.in: Do not use double-colon rules.
5969 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5971 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5972 (TMT_USED_ALONE): New macro.
5973 * tree-pass.h (PROP_tmt_usage): New property.
5974 (TODO_update_tmt_usage): New todo.
5975 * tree-ssa-alias.c (updating_used_alone): New variable.
5976 (recalculate_used_alone): New function.
5977 (compute_may_aliases): Set updating_used_alone, call
5978 recalculate_used_alone.
5979 * tree-sra.c (pass_sra): Note that this pass destroys
5980 PROP_tmt_usage, and add TODO_update_tmt_usage.
5981 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5982 * tree-flow.h (updating_used_alone): Prototype.
5983 (recalculate_used_alone): Ditto.
5984 * passes.c (execute_todo): Add code to set updating_used_alone,
5985 and call recalculate.
5986 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5987 for clobber if used alone, and add assert to verify used_alone
5990 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5992 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5993 for non tls symbols added.
5994 (legitimize_address): Do nothing for PLUS expressions if one of the
5995 addends is a tls symbol reference.
5997 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6001 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6003 * Makefile.in (BOOTSTRAPPING): New.
6004 (quickstrap): New definition if BOOTSTRAPPING=yes.
6006 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6007 * configure.ac: Substitute all_selected_languages with the languages
6008 that were configured. For all the other variables except
6009 lang_specs_files, include all the languages in the tree.
6010 * configure: Regenerate.
6012 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6013 if there is one. Run the commands to run fixincludes in the same
6016 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6017 * doc/install.texi: Document exact conventions for searching target tools.
6018 Document --with-build-time-tools. Document toplevel bootstrap. Document
6019 something more about building an Ada cross-compiler. Don't list GNU Make
6020 requirements which affect all platforms.
6022 2006-02-19 Roger Sayle <roger@eyesopen.com>
6025 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6026 only equivalent if the have both the same mode and precision.
6028 2006-02-20 Ben Elliston <bje@au.ibm.com>
6030 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6032 2006-02-19 Roger Sayle <roger@eyesopen.com>
6033 Steven Bosscher <stevenb.gcc@gmail.com>
6035 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6036 constant pool references to identify stack mode constants.
6037 * rtlanal.c (constant_pool_constant_p): New predicate to check
6038 whether operand is a floating point constant in the pool.
6039 * rtl.h (constant_pool_constant_p): Prototype here.
6040 * loop.c (scan_loop): Avoid hoisting constants from the constant
6041 pool on STACK_REGS targets.
6042 (load_mems): Likewise.
6043 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6044 loads into x87 registers expensive in terms of register pressure.
6046 2006-02-19 Roger Sayle <roger@eyesopen.com>
6048 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6049 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6051 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6053 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6054 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6056 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6058 * doc/invoke.texi: Document -fipa-pta.
6059 * common.opt: Add ipa-pta option.
6060 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6061 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6062 (do_ds_constraint): Ditto.
6063 (get_constraint_for): Only add to referenced_vars if
6064 referenced_vars exists.
6065 (insert_into_field_list): Rewrite to do this unsorted.
6066 (insert_into_field_list_sorted): Rename old insert_into_field_list
6068 (create_function_info_for): Use insert_into_field_list_sorted.
6069 (create_variable_info_for): Rewrite so it uses unsorted version,
6070 since the field list is sorted.
6071 (intra_create_variable_infos): Only add to referenced_vars if
6072 referenced_vars exists.
6073 (ipa_pta_execute): Init heapvars, and delete when done.
6074 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6076 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6078 * doc/install.texi: Add missing `@samp'.
6080 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6082 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6085 2006-02-18 Mark Wielaard <mark@klomp.org>
6087 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6088 who added new 4.1 features, bug fixes and integration support.
6090 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6093 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6096 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6098 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6099 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6100 (copy_insn_1): Likewise. Don't copy each field individually.
6102 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6104 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6105 * rtl.c (rtx_size): Rename variable to...
6106 (rtx_code_size): ...this.
6107 (rtx_size): New function.
6108 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6109 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6111 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6112 * rtl.h (rtx_code_size): New variable.
6113 (rtx_size): Change from a variable to a function.
6114 (RTX_SIZE): Rename to...
6115 (RTX_CODE_SIZE): ...this.
6118 PR tree-optimization/17106
6119 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6120 (Anchored Addresses): New section.
6121 * doc/invoke.texi (-fsection-anchors): Document.
6122 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6123 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6124 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6125 * hooks.c (hook_bool_mode_rtx_false): New function.
6126 * hooks.h (hook_bool_mode_rtx_false): Declare.
6127 * gengtype.c (create_optional_field): New function.
6128 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6129 SYMBOL_REF_IN_BLOCK_P is true.
6130 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6131 (min_anchor_offset, max_anchor_offset): Likewise.
6132 (use_anchors_for_symbol_p): New hook.
6133 * toplev.c (compile_file): Call output_object_blocks.
6134 (target_supports_section_anchors_p): New function.
6135 (process_options): Check that -fsection-anchors is only used on
6136 targets that support it and when -funit-at-a-time is in effect.
6137 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6138 if the decl doesn't have one.
6139 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6140 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6141 of force_const_mem through use_anchored_address.
6142 (expand_expr_constant): New function.
6143 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6144 calling expand_expr for INDIRECT_REF.
6145 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6146 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6147 * expr.h (use_anchored_address): Declare.
6148 * loop-unroll.c: Don't declare rtx vectors here.
6149 * explow.c: Include output.h.
6150 (validize_mem): Call use_anchored_address.
6151 (use_anchored_address): New function.
6152 * common.opt (-fsection-anchors): New switch.
6153 * varasm.c (object_block_htab, anchor_labelno): New variables.
6154 (hash_section, object_block_entry_eq, object_block_entry_hash)
6155 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6156 (use_blocks_for_decl_p, change_symbol_section): New functions.
6157 (get_variable_section): New function, split out from assemble_variable.
6158 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6159 use_blocks_for_decl_p say so. Use change_symbol_section if the
6160 symbol has already been created.
6161 (assemble_variable_contents): New function, split out from...
6162 (assemble_variable): ...here. Don't output any code for
6163 block symbols; just pass them to place_block_symbol.
6164 Use get_variable_section and assemble_variable_contents.
6165 (get_constant_alignment, get_constant_section, get_constant_size): New
6166 functions, split from output_constant_def_contents.
6167 (build_constant_desc): Create a block symbol if use_object_blocks_p
6168 says so. Or into SYMBOL_REF_FLAGS.
6169 (assemble_constant_contents): New function, split from...
6170 (output_constant_def_contents): ...here. Don't output any code
6171 for block symbols; just pass them to place_section_symbol.
6172 Use get_constant_section and get_constant_alignment.
6173 (force_const_mem): Create a block symbol if use_object_blocks_p and
6174 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6175 (output_constant_pool_1): Add an explicit alignment argument.
6176 Don't switch sections here.
6177 (output_constant_pool): Adjust call to output_constant_pool_1.
6178 Switch sections here instead. Don't output anything for block symbols;
6179 just pass them to place_block_symbol.
6180 (init_varasm_once): Initialize object_block_htab.
6181 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6182 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6183 (place_block_symbol, get_section_anchor, output_object_block)
6184 (output_object_block_htab, output_object_blocks): New functions.
6185 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6186 (TARGET_ASM_OUT): Include it.
6187 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6188 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6189 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6190 (TARGET_INITIALIZER): Include them.
6191 * rtl.c (rtl_check_failed_block_symbol): New function.
6192 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6193 (block_symbol, object_block): New structures.
6194 (rtx_def): Add a block_symbol field to the union.
6195 (BLOCK_SYMBOL_CHECK): New macro.
6196 (rtl_check_failed_block_symbol): Declare.
6197 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6198 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6199 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6200 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6201 * output.h (output_section_symbols): Declare.
6202 (object_block): Name structure.
6203 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6204 (default_use_anchors_for_symbol_p): Declare.
6205 * Makefile.in (RTL_BASE_H): Add vec.h.
6206 (explow.o): Depend on output.h.
6207 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6208 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6209 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6210 (rs6000_use_blocks_for_constant_p): New function.
6212 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6214 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6216 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6219 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6222 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6224 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6228 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6231 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6232 instead of DECL_REGISTER.
6234 2006-02-18 Olivier Hainque <hainque@adacore.com>
6237 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6239 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6242 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6243 * opth-gen.awk: Handle Var and InverseMask together.
6244 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6245 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6246 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6247 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6249 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6250 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6251 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6252 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6253 LINUX_DYNAMIC_LINKER): Define.
6254 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6255 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6257 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6258 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6259 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6261 (TARGET_C99_FUNCTIONS): Don't define.
6262 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6263 GLIBC_DYNAMIC_LINKER.
6264 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6265 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6266 GLIBC_DYNAMIC_LINKER64): Define.
6267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6268 LINUX_DYNAMIC_LINKER64.
6269 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6271 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6273 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6274 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6275 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6276 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6277 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6279 and LINUX_DYNAMIC_LINKER32.
6280 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6281 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6282 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6284 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6286 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6287 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6288 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6289 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6290 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6291 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6292 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6293 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6294 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6295 LINUX_DYNAMIC_LINKER): Define.
6296 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6297 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6298 GLIBC_DYNAMIC_LINKER64): Define.
6299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6300 LINUX_DYNAMIC_LINKER64.
6301 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6302 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6303 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6304 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6305 LINUX_DYNAMIC_LINKER): Define.
6306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6307 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6308 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6309 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6310 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6311 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6312 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6313 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6314 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6315 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6317 * doc/invoke.texi (-muclibc): Remove caveat about supported
6320 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6322 * doc/cpp.texi (__TIMESTAMP__): Document.
6324 2006-02-17 Roger Sayle <roger@eyesopen.com>
6327 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6328 C is one less than the width of X (and related transformations).
6329 * simplify-rtx.c (simplify_unary_operation_1): Transform
6330 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6331 depending on STORE_FLAG_VALUE, were C is one less then the
6334 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6336 Fix PR tree-optimization/26341
6337 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6338 about NAME_MEMORY_TAG's.
6340 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6343 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6344 with hardware float support, and software float support. Add fcpy
6345 alternative to hardware patterns. Add alternatives to copy between
6346 general and floating-point registers to the 32-bit pattern.
6347 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6348 secondary reload to load a QI or HI mode constant into a floating
6350 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6351 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6353 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6356 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6358 (load_macho_picbase_di): Likewise.
6360 2006-02-16 Jeff Law <law@redhat.com>
6362 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6363 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6364 (ssa_name_nonzero_p): Likewise.
6365 (get_value_range): Return NULL if VRP is not running.
6366 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6367 VRP routines do not discover a range.
6368 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6369 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6370 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6371 (tree_expr_nonnegative_p): Similarly.
6372 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6373 (restore_nonzero_vars_to_original_value): Remove.
6374 (unsafe_associative_fp_binop): Remove.
6375 (tree_ssa_dominator_optimize): Remove initialization and
6376 finalization of nonzero_vars and nonzero_vars_stack.
6377 (dom_opt_initialize_block): No longer push marker on
6379 (dom_opt_finalize_block): No longer call
6380 restore_nonzero_vars_to_original_value.
6381 (record_equivalences_from_phis): No longer look for
6382 nonzero PHI arguments.
6383 (cprop_into_successor_phis): No longer propagate nonzero
6384 property into PHI arguments. Lose unused argument. Caller
6386 (record_equivalences_from_stmt): No longer record nonzero
6387 values for SSA_NAMEs.
6388 (lookup_avail_expr): No longer use nonzero_vars.
6390 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6391 for sizetype when sizetype is unsigned.
6393 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6395 PR rtl-optimization/25603
6396 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6397 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6398 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6399 with new meaning of SETS.
6401 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6406 * config/linux.opt: New file.
6407 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6408 LINUX_DYNAMIC_LINKER): Define.
6409 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6410 * config.gcc (*-*-linux*): Define extra_options.
6411 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6412 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6413 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6414 GLIBC_DYNAMIC_LINKER.
6415 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6416 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6417 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6419 * doc/invoke.texi (GNU/Linux Options): New section.
6421 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6423 * config/sparc/sparc.md (setjmp): Rewrite.
6424 (setjmp_32): Delete.
6425 (setjmp_64): Likewise.
6427 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6429 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6432 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6434 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6437 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6439 PR rtl-optimization/26296
6440 * Makefile.in (loop-invariant.c): Add except.h dependency.
6441 * loop-invariant.c: Include except.h.
6442 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6444 2005-02-16 Paul Brook <paul@codesourcery.com>
6446 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6449 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6451 PR rtl-optimization/25636
6452 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6453 when deciding whether an insn is an initializing insn.
6455 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6457 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6458 (tree_code_size): Ditto.
6459 * tree.h (struct tree_memory_tag): Remove parent_var.
6460 (struct tree_struct_field_tag): New.
6463 (union tree_node): Add sft member.
6464 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6466 (create_sft): Add size and offset argument, set SFT_OFFSET and
6468 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6469 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6470 * tree-flow-inline.h (get_subvar_at): Update for
6471 SFT_OFFSET/SFT_SIZE.
6472 (var_can_have_subvars): Ditto.
6473 (overlap_subvar): Ditto.
6474 * print-tree.c (print_node): Print out interesting things for
6476 * tree-flow.h (struct subvar): Remove offset and size members.
6477 * tree-ssa-operands.c (get_expr_operands): Update for
6478 get_indirect_ref_operands changes.
6479 (get_indirect_ref_operands): Call add_virtual_operand instead of
6480 add_stmt_operand. Only recurse on base var if requested.
6481 (access_can_touch_variable): New function.
6482 (add_stmt_operand): Split virtual operand handling into ...
6483 (add_virtual_operand): Here. Add offset, size, and for_clobber
6484 arguments. Prune alias sets.
6485 (add_call_clobber_ops): Call add_virtual_operand.
6487 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6490 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6492 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6493 than TREE_CODE as index into omp_clause_num_ops array.
6495 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6497 PR rtl-optimization/26184
6498 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6500 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6501 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6502 must_precede, must_follow and tobe_scheduled.
6505 * opts.c (common_handle_option): Free new_option pointer.
6506 * df-core.c (df_analyze): Free postorder pointer.
6508 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6510 * Makefile.in: Fix the examples about the use of stamps
6512 2006-02-15 Michael Matz <matz@suse.de>
6516 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6517 influenced by maximum_field_alignment or DECL_PACKED.
6518 (update_alignment_for_field): Ditto.
6519 (place_field): Ditto.
6520 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6523 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6525 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6526 (debug_flow_info): Pass it.
6527 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6528 * bb-reorder.c (reorder_basic_blocks): Likewise.
6529 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6530 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6531 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6532 * gcse.c (gcse_main, bypass_jumps): Likewise.
6533 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6534 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6535 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6536 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6537 * rtl.h (dump_flow_info): Adjust prototype.
6538 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6539 * var-tracking.c (variable_tracking_main): Likewise.
6540 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6541 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6544 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6546 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6549 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6551 PR tree-optimization/26209
6552 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6553 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6555 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6557 2006-02-14 Roger Sayle <roger@eyesopen.com>
6560 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6561 (X,Y) and the corresponding symmetry related transformations.
6562 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6563 (X,Y) and its symmetry related transformations.
6565 2006-02-14 Roger Sayle <roger@eyesopen.com>
6567 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6570 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6572 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6574 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6577 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6578 support COMDAT group.
6579 * configure: Regenerate.
6581 2006-02-14 Roger Sayle <roger@eyesopen.com>
6586 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6588 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6590 Fix PR tree-optimization/26260
6592 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6594 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6595 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6596 * tree-ssa-structalias.c (create_variable_info_for): Use
6597 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6599 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6601 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6603 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6604 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6605 of the ending condition.
6606 * tree-ssa-loop-manip.c: Include params.h.
6607 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6608 tree_unroll_loop): New functions.
6609 * tree-pass.h (pass_loop_prefetch): Declare.
6610 * loop.c (rest_of_handle_loop_optimize): Test for
6611 -fprefetch-loop-arrays-rtl.
6612 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6613 * timevar.def (TV_TREE_PREFETCH): New timevar.
6614 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6615 pass_loop_prefetch): New.
6616 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6617 (cleanup_tree_cfg_loop): Call scev_reset.
6618 * common.opt (fprefetch-loop-arrays-rtl): Add.
6619 * tree-ssa-loop-prefetch.c: New file.
6620 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6621 (new_temp_expr_table): Initialize expr_vars.
6622 (free_temp_expr_table): Cleanup expr_vars.
6623 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6624 expressions from being merged into one.
6625 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6626 (struct tree_niter_desc): Add control, bound and cmp fields.
6627 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6629 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6630 (tree-cfgcleanup.o): Add SCEV_H dependency.
6631 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6632 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6634 2006-02-14 Richard Guenther <rguenther@suse.de>
6636 PR tree-optimization/26258
6637 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6638 in PHI argument processing.
6640 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6642 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6643 new expression in the requested machine mode.
6645 2006-02-13 Roger Sayle <roger@eyesopen.com>
6647 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6648 directly, instead let do_compare_rtx_and_jump handle this for us.
6649 * expr.c (expand_expr_real_1): Likewise.
6650 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6651 before do_jump_by_parts_greater.
6652 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6653 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6655 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6657 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6659 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6661 PR rtl-optimization/26235
6662 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6663 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6666 2006-02-13 Jeff Law <law@redhat.com>
6668 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6671 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6674 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6675 twice if decl is a builtin. When trying again, call get_callee_fndecl
6676 first to verify it is still a builtin.
6678 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6680 * dwarf2out.c (base_type_die): Don't add AT_name here.
6681 (subrange_type_die): Don't add AT_name here.
6682 (modified_type_die): Rearrange code flow. Do add AT_name here.
6684 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6686 PR rtl-optimization/26247
6687 PR rtl-optimization/26248
6688 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6690 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6692 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6693 * config/fixtfdi.c: Likewise.
6694 * config/fixunstfdi.c: Likewise.
6695 * config/floatditf.c: Likewise.
6697 2006-02-13 Roger Sayle <roger@eyesopen.com>
6700 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6701 into (X,C2) if C1 is a subset of the bits of C2. Transform
6702 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6704 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6706 2006-02-13 Josh Conner <jconner@apple.com>
6709 * varasm.c (function_section): Check for section name before
6710 calling select_section on targets that define
6711 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6712 unlikely_text_section instead of hot_function_section if
6713 first_function_block_is_cold.
6715 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6718 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6720 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6722 PR rtl-optimization/26222
6723 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6724 after tree->rtl expansion.
6725 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6726 before passing it to emit_move_insn.
6728 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6730 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6732 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6733 Clarify documentation.
6734 * c-common.h (warn_write_strings): Remove.
6735 * c-common.c (warn_write_strings): Likewise.
6736 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6739 2006-02-12 Roger Sayle <roger@eyesopen.com>
6742 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6743 (do_jump_parts_zero_rtx): New function renamed from
6744 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6745 (do_jump_parts_equality_rtx): New function split out from
6746 do_jump_parts_equality. Old implementation renamed as above.
6747 Call do_jump_parts_zero_rtx if either operand is zero.
6748 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6749 do all of the heavy lifting.
6750 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6751 calling either do_jump_by_parts_greater_rtx or
6752 do_jump_by_parts_equality_rtx.
6753 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6754 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6755 moved to do_compare_rtx_and_jump, call it directly.
6756 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6757 mode argument. Call do_compare_rtx_and_jump.
6758 (emit_case_nodes): Update calls to do_jump_if_equal.
6760 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6762 PR rtl-optimization/26225
6763 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6765 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6767 PR rtl-optimization/26232
6768 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6770 2006-02-11 Jason Merrill <jason@redhat.com>
6773 * tree-inline.c (declare_return_variable): Just don't use the
6774 modify target if it's a gimple complex reg and the return slot
6777 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6779 * doc/contrib.texi: Update my entry.
6781 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6783 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6785 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6787 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6790 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6792 * doc/invoke.texi (-floop-optimize2): Removed.
6793 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6794 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6795 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6796 * common.opt (floop-optimize2): Removed.
6797 (fmove-loop-invariants): Enabled by default.
6799 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6801 * tree-if-conv.c (combine_blocks): Free the result of
6802 get_loop_exit_edges.
6804 2006-02-10 Jeff Law <law@redhat.com>
6806 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6808 PR tree-optimization/26213
6809 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6810 loop trying to follow SSA_NAME_VALUE chains.
6812 2006-02-10 Richard Guenther <rguenther@suse.de>
6814 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6815 deal with structures that end in implicitly variable sized arrays.
6817 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6819 PR rtl-optimization/24762
6820 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6823 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6825 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6826 (struct ivopts_data): Add regs_used field.
6827 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6828 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6829 instead of loop_data->regs_used;
6830 (free_loop_data): Do not free aux fields for loops.
6831 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6832 and tree_ssa_iv_optimize_finalize.
6834 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6836 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6838 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6841 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6842 computing the effective result type.
6844 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6847 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6848 (tree_overlaps_hard_reg_set): Declare.
6849 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6850 type and signature to match function type expected by walk_tree.
6851 (tree_overlaps_hard_reg_set): New function.
6852 (decl_conflicts_with_clobbers_p): Rename to:
6853 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6854 Use tree_overlaps_hard_reg_set. Changed caller.
6855 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6856 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6857 * cris.c (cris_md_asm_clobbers): Likewise.
6859 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6861 * reload1.c (emit_input_reload_insns): Delete code that tries to
6862 inherit using find_equiv_reg.
6864 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6866 * c-common.h (flag_const_strings): Don't declare.
6867 * c-common.c (flag_const_strings): Remove.
6868 * c.opt (fconst_strings): Remove.
6869 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6870 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6871 (c_common_init_options): Don't set flag_const_strings.
6872 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6874 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6876 * arm.md (tlobits_cbranch): New pattern.
6877 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6878 testing a single bit.
6880 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6883 * tree-ssa-pre.c (create_component_ref_by_pieces):
6884 Handle RETURN_DECL like VAR_DECL.
6886 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6889 * fold-const.c (fold_indirect_ref_1): Fold
6890 "*(foo *)&complexfoo" to "__real__ complexfoo"
6891 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6893 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6895 * tree-flow-inline.h (var_can_have_subvars):
6896 Volatile variables should not have subvariables.
6898 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6901 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6902 multiplying unsigned values.
6905 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6907 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6909 2006-02-08 Jason Merrill <jason@redhat.com>
6912 * tree.def: Elaborate on difference from MODIFY_EXPR.
6913 * doc/c-tree.texi (INIT_EXPR): Likewise.
6914 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6915 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6916 (gimplify_target_expr): Likewise.
6917 (gimplify_cond_expr): Remove target handling.
6918 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6919 (gimplify_expr): Clobber it here.
6920 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6921 Do return slot optimization if we have an INIT_EXPR.
6924 * tree-inline.c (declare_return_variable): Also clear
6925 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6928 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6931 * gimplify.c (gimplify_one_sizepos): Fix typo.
6933 2006-02-08 Jeff Law <law@redhat.com>
6935 PR tree-optimization/21417
6936 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6937 across a backedge if the control statement at the end of the
6938 block is data dependent on other statements in the same block.
6939 (record_temporary_equivalences_from_stmts): Remove over-conservative
6940 test for threading across backedges.
6942 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6943 control statement, handle all three special cases in the same
6944 manner as they all have the same desired solution. No longer
6945 special case edge flag updating when the post dominator is
6948 2006-02-08 Roger Sayle <roger@eyesopen.com>
6950 * tree.def (CHAR_TYPE): Remove.
6951 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6952 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6953 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6954 (gen_string_type_die): Delete unreachable function.
6956 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6957 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6958 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6959 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6960 * builtins.c (type_to_class): Likewise.
6961 * fold-const.c (fold_convert, build_range_check,
6962 merge_ranges): Likewise.
6963 * expr.c (count_type_elements): Likewise.
6964 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6965 * stor-layout.c (layout_type): Likewise.
6966 * ipa-type-escape.c (type_to_consider): Likewise.
6967 * gimplify.c (omp_firstprivatize_type_sizes,
6968 gimplify_type_sizes): Likewise.
6969 * explow.c (promote_mode): Likewise.
6970 * tree-sra.c (is_sra_scalar_type): Likewise.
6971 * varasm.c (output_constant): Likewise.
6972 * tree-inline.c (remap_type_1): Likewise.
6973 * convert.c (convert_to_pointer, convert_to_real,
6974 convert_to_integer, convert_to_complex): Likewise.
6976 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6978 * df-scan.c (df_def_record_1): A set destination may
6979 be a parallel regardless of mode.
6981 2006-02-08 Roger Sayle <roger@eyesopen.com>
6984 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6985 * config/mips/_tilib.c: Remove.
6986 * config/fixtfdi.c: New libgcc source file.
6987 * config/fixunstfdi.c: New source file.
6988 * config/floatditf.c: New source file.
6989 * config/floatunditf.c: New souce file.
6990 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6991 files above instead of config/mips/_tilib.c.
6992 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6994 2006-02-08 Jeff Law <law@redhat.com>
6996 PR tree-optimization/26169
6997 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7000 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7002 * df.h (DF_REG_SIZE): Return the length of the initialized
7005 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7007 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7008 __muldf3): Return a correctly signed zero.
7010 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7012 * passes.c (register_one_dump_file): Accept the current properties
7013 instead of pass number. Adjust call to dump_register. Remove
7015 (register_dump_files): Now a wrapper around...
7016 (register_dump_files_1): ... this one. Do not modify the pass
7018 (next_pass_1): Cosmetic fix.
7019 (execute_todo): Keep second parameter only. Use curr_properties
7020 instead of fetching it from the pass structure. Check and set
7022 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7023 instead of fetching it from the pass structure. Fix calls to
7024 execute_todo. Update curr_properties and initialize .vcg RTL dump
7025 after running the pass. Reset last_verified.
7026 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7028 (FIRST_AUTO_NUMBERED_DUMP): New.
7029 (dump_register): Remove "num" parameter, assign it within the
7031 (get_dump_file_name): Modify template for dumps.
7032 * tree-dump.h (dump_register): Adjust prototype.
7033 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7034 (PROP_trees): Add PROP_gimple_lomp.
7035 (TODO_set_props): New.
7036 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7037 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7038 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7040 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7042 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7043 (sparc64-*-linux*): Likewise.
7044 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7045 * config/sparc/t-linux: New file.
7046 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7047 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7048 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7049 -m32 -mlong-double-128.
7051 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7052 * config/alpha/t-linux: New file.
7053 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7055 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7056 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7057 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7058 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7059 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7060 (CPP_ARCH32_SPEC): Remove.
7062 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7064 PR tree-optimization/26145
7065 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7068 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7071 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7072 >= 240000 when generating code for SOM runtime.
7073 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7074 to $$dyncall when generating code for SOM runtime..
7076 2006-02-07 Dirk Mueller <dmueller@suse.com>
7079 * doc/invoke.texi (-Wsequence-point): Update documentation
7080 that -Wsequence-point is implemented for C++ as well.
7082 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7084 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7085 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7086 (LIB_SPEC): Likewise.
7087 * doc/invoke.texi (SPARC options): Document -pthread.
7089 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7091 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7094 2006-02-07 Roger Sayle <roger@eyesopen.com>
7096 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7097 Correct comment describing BOOLEAN_TYPE.
7099 2006-02-07 Dirk Mueller <dmueller@suse.com>
7101 * c.opt: C++ frontend supports -Wdiv-by-zero.
7102 * c-opts.c (c_common_handle_option): Remove dead case.
7104 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7106 * configure.ac (TLS assembler check): Do not enable TLS by
7107 default on SPARC/Solaris before version 10.
7108 * configure: Regenerate.
7110 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7112 * doc/invoke.texi (xl-compat): Document conversion and support
7115 2006-02-07 Jeff Law <law@redhat.com>
7117 * tree-vrp.c (find_conditional_asserts): Update comments.
7118 (simplify_stmt_for_jump_threading): New.
7119 (identify_jump_threads, finalize_jump_threads): New.
7120 (vrp_finalize): Call identify_jump_threads.
7121 (execute_vrp): Call finalize_jump_threads.
7122 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7123 (vrp_element, vrp_data, vrp_element_p): Remove.
7124 (vrp_hash_elt, vrp_variables_stack): Remove.
7125 (vrp_hash, vrp_eq, record_range): Remove.
7126 (simplify_cond_and_lookup_avail_expr): Remove.
7127 (extract_range_from_cond): Remove.
7128 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7129 (simplify_stmt_for_jump_threading): New.
7130 (dom_thread_across_edge): New wrapper.
7131 (tree_ssa_dominator_optimize): No longer initialize or
7132 finalize any of the VRP datastructures. Remove iteration
7133 step and simplify as a result of removal of iteration step.
7134 (pass_dominator): Perform a cfg cleanup after DOM.
7135 (dom_opt_finalize_block): Use the new common routines
7136 for threading jumps. Simplify stack management slightly.
7137 No longer need to unwind VRP state.
7138 (record_equivalences_from_incoming_edge): No longer record
7140 (eliminate_redundant_computations): No longer call
7141 simplify_cond_and_lookup_avail_expr.
7142 * tree-flow.h (potentially_threadable_block): Prototype.
7143 (thread_across_edge): Likewise.
7144 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7145 (tree-ssa-threadedge.o): Add dependencies.
7146 * tree-ssa-threadedge.c: New file.
7147 * passes.c (init_optimization_passes): Merge PHIs before
7148 calling VRP. Run VRP again late in the SSA optimization pipeline.
7150 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7152 * df-core.c (df_set_blocks): Do not dereference function pointers.
7153 (df_finish1): Likewise.
7154 (df_hybrid_search_forward): Likewise.
7155 (df_hybrid_search_backward): Likewise.
7156 (df_iterative_dataflow): Likewise.
7157 (df_analyze_problem): Likewise.
7158 (df_compact_blocks): Likewise.
7159 (df_dump): Likewise.
7160 * df-scan.c (df_rescan_blocks): Likewise.
7161 (df_record_entry_block_defs): Likewise.
7163 * genconditions.c (write_conditions): Guard the definition of
7164 'insn_conditions' with the check on GCC version.
7165 (write_writer): Guard the traversal 'insn_conditions' with
7166 the check on GCC version.
7168 2006-02-07 Richard Guenther <rguenther@suse.de>
7172 2006-01-30 Richard Guenther <rguenther@suse.de>
7174 * gimplify.c (gimplify_target_expr): Handle easy cases
7175 without creating a temporary.
7177 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7179 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7180 use of float in probability computations. Use edge probabilities
7181 in place of statically computed probabilities.
7182 (min_spec_prob): New static variable.
7183 (schedule_insns): Initialize it.
7184 (GET_SRC_PROB): Removed.
7185 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7187 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7190 * config/ia64/unwind-ia64.c: Revert last change.
7191 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7192 (INCOMING_FRAME_SP_OFFSET): Define.
7194 2006-02-06 Roger Sayle <roger@eyesopen.com>
7196 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7198 2006-02-07 Ben Elliston <bje@au.ibm.com>
7200 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7201 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7202 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7203 (ix86_return_in_memory): Handle TDmode.
7204 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7205 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7207 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7209 * reorg.c (dbr_schedule): Use dump_file instead of file.
7211 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7214 * config/ia64/predicates.md (extr_len_operand): New predicate.
7215 * config/ia64/ia64.md (extv): Tighten constraints.
7217 (*tbit_and_2): Ditto.
7218 (*tbit_and_3): Ditto.
7219 (*tbit_or_2): Ditto.
7220 (*tbit_or_3): Ditto.
7224 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7227 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7229 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7231 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7232 loop_optimizer_init and loop_optimizer_finalize
7233 * tree-ssa-sink.c (execute_sink_code): Ditto.
7234 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7235 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7236 tree_ssa_loop_done): Ditto.
7237 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7238 * sched-ebb.c: Include output.h.
7239 (schedule_ebbs): Do not use dump argument.
7240 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7241 * loop.c (loop_dump_stream): Removed.
7242 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7244 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7245 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7246 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7247 loop_iterations, strength_reduce, record_biv, record_giv,
7248 final_giv_value, check_final_value, check_ext_dependent_givs,
7249 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7250 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7251 dump_file instead of loop_dump_stream.
7252 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7254 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7256 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7257 * haifa-sched.c: Include output.h
7258 (schedule_insns, sched_init): Do not use dump argument.
7259 * mode-switching.c (optimize_mode_switching): Ditto.
7260 * modulo-sched.c (stats_file): Removed.
7261 (print_node_sched_params): Do not call argument dump_file.
7262 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7263 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7265 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7267 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7268 rtl_loop_init, rtl_loop_done): Ditto.
7269 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7270 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7272 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7273 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7274 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7275 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7276 * emit-rtl.c (renumber_insns): Ditto.
7277 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7278 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7279 * regclass.c (regclass): Ditto.
7280 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7281 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7282 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7283 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7285 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7286 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7288 * gcse.c (gcse_file, debug_stderr): Removed.
7289 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7290 rest_of_handle_gcse): Do not use dump argument.
7291 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7292 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7293 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7294 compute_code_hoist_vbeinout, compute_code_hoist_data,
7295 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7296 compute_store_table, build_store_vectors, insert_insn_start_bb,
7297 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7298 store_motion): Use dump_file instead of gcse_file.
7299 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7300 * profile.c (profile_dump_file): Removed.
7301 (branch_prob): Use dump_file instead of profile_dump_file.
7302 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7304 * tree-ssa-copy.c (dump_copy_of): Ditto.
7305 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7306 dump file to life_analysis.
7307 * bt-load.c (branch_target_load_optimize): Ditto.
7308 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7310 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7311 regclass, dbr_schedule): Declaration changed.
7312 * sched-int.h (sched_init): Declaration changed.
7313 * tree-profile.c (tree_profile_dump_file): Removed.
7314 (tree_profile_hooks): Removed profile_dump_file hook.
7315 * rtl-profile (rtl_profile_dump_file): Removed.
7316 (rtl_profile_hooks): emoved profile_dump_file hook.
7317 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7319 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7320 * tree-cfg.c (build_tree_cfg): Ditto.
7321 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7322 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7323 Declaration changed.
7324 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7325 life_analysis and schedule_insns.
7326 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7328 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7330 * config/mips/mips.c (mips_reorg): Ditto.
7331 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7334 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7336 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7337 (s390_mangle_fundamental_type): New.
7338 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7341 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7342 (alpha_mangle_fundamental_type): New.
7343 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7346 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7348 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7350 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7351 (sparc_mangle_fundamental_type): New.
7353 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7355 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7356 (s390x-*-linux*): Likewise.
7357 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7358 * config/s390/t-linux: New file.
7360 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7362 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7363 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7365 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7367 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7368 (ANTIC_SAFE_LOADS): New macro.
7369 (find_or_generate_expression): Add prototype.
7370 (set_contains_value): Allow null set for sake of not always having
7371 to allocate ANTIC_SAFE_LOADS.
7372 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7373 Allow COMPONENT_REF too.
7374 (valid_in_set): Allow COMPONENT_REF.
7375 Check ANTIC_SAFE_LOADS too.
7376 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7377 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7379 (can_PRE_operation): Add COMPONENT_REF.
7380 (create_component_ref_by_pieces): New function.
7381 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7382 (insert_aux): Move AGGREGATE_TYPE_P check here.
7383 (compute_avail): Set bb local stmt uids.
7384 (pass_pre): Use TODO_update_ssa_only_virtuals.
7386 2006-02-06 Ben Elliston <bje@au.ibm.com>
7388 * configure.ac: Unconditionally disable decimal float by default.
7389 * configure: Regenerate.
7391 2006-02-06 Ben Elliston <bje@au.ibm.com>
7393 * read-rtl.c (read_name): Terminate reading on EOF.
7395 2006-02-06 Ben Elliston <bje@au.ibm.com>
7397 * dfp.c (decimal_real_arithmetic): Change second argument type
7398 from int to enum tree_code. Do not always return true, but now
7399 return result of any call to decimal_do helper functions.
7400 * dfp.h (decimal_real_arithmetic): Update prototype.
7402 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7404 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7406 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7409 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7412 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7414 * tree-vrp.c (cfg_loops): Removed.
7415 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7416 Use current_loops instead of cfg_loops. Pass flags to
7417 loop_optimizer_init.
7418 * cfgloopmanip.c (fix_loop_structure): Update only available
7420 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7421 loop_optimizer_init.
7422 * modulo-sched.c (build_loops_structure): Removed.
7423 (sms_schedule): Use loop_optimizer_init.
7424 * loop-init.c (loop_optimizer_init): Use flags to determine
7425 which properties of loops to prepare.
7426 (rtl_loop_init): Pass flags to loop_optimizer_init.
7427 * tree-ssa-sink.c (execute_sink_code): Ditto.
7428 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7429 * tree-ssa-pre.c (init_pre): Ditto.
7430 * cfgloop.h (LOOPS_NORMAL): New.
7431 (loop_optimizer_init): Declaration changed.
7433 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7435 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7436 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7438 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7440 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7442 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7443 * pa/t-pa64: Delete quadlib.c rule.
7444 * pa/x-ada: Revert last change.
7445 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7447 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7449 PR rtl-optimization/26087
7450 * rtlanal.c (canonicalize_condition): Do not cross basic block
7453 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7456 * config/ia64/ia64.c: Include debug.h.
7457 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7458 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7459 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7460 (process_epilogue, process_set, process_for_unwind_directive):
7461 Output unwind info only if requested. Add CFA info if requested.
7462 Add new arguments as needed. Adjust callers.
7463 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7465 (DWARF2_FRAME_INFO): Define to zero.
7466 * config/ia64/unwind-ia64.c: Remove code that compensated for
7467 the CFA offset error fixed above.
7468 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7469 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7470 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7471 -funwind-tables and -fexceptions to enable frame info.
7472 (dwarf2out_frame_init): Define initial CFA even if
7473 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7474 DWARF2_UNWIND_INFO is nonzero, not just defined.
7475 (dwarf2out_frame_finish): Output non-EH call frame info only
7476 if DWARF2_FRAME_INFO is nonzero.
7477 (convert_cfa_to_loc_list,
7478 compute_frame_pointer_to_cfa_displacement): Define even if
7479 unwind info is not supported.
7480 (gen_subprogram_die): Use the above unconditionally. Remove
7481 legacy alternate code.
7482 * toplev.c (compile_file): Compile in call to
7483 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7484 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7486 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7487 Jakub Jelinek <jakub@redhat.com>
7489 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7490 IBM extended float format long double as "g" on powerpc*-linux.
7492 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7495 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7496 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7498 2006-02-03 Jason Merrill <jason@redhat.com>
7501 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7504 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7505 on the return slot if it's an NRV.
7507 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7509 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7510 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7511 rewrite_use): Do not handle USE_OUTER.
7512 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7513 add_iv_outer_candidates, may_replace_final_value,
7514 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7515 (find_interesting_uses_op): Functionality of
7516 find_interesting_uses_outer_or_nonlin moved here.
7517 (find_interesting_uses_outside): Use find_interesting_uses_op.
7519 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7522 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7524 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7525 Ulrich Weigand <uweigand@de.ibm.com>
7528 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7529 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7530 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7531 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7533 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7534 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7535 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7536 Define secondary reloads for TFmode moves.
7537 (constant_modes): Add TFmode.
7538 (NR_C_MODES): Set to 8.
7539 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7541 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7542 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7543 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7544 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7545 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7546 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7547 (FPR mode macro): Add TFmode.
7548 (DSF mode macro): New.
7549 (<de>, <dee> mode attributes): Removed.
7550 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7551 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7552 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7553 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7554 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7555 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7556 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7557 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7558 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7559 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7560 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7561 "*negabs<mode>2", "sqrt<mode>2"):
7562 Changed <de> to <xde>. R constraint replaced by <Rf>.
7563 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7565 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7566 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7567 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7569 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7570 "extenddftf2", "extendsftf2"): New expanders.
7571 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7572 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7573 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7574 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7576 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7577 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7578 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7579 __floatditf): Add a GCC_4.1.0 symbol version tag.
7580 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7583 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7586 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7587 Use targetm.binds_local_p instead of TREE_PUBLIC.
7589 2006-02-02 Roger Sayle <roger@eyesopen.com>
7591 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7592 on INTEGER_TYPEs to indicate that it denotes a character type.
7593 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7594 signed_char_type_node, unsigned_char_type_node and char_type_node.
7595 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7596 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7597 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7599 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7600 Daniel Berlin <dberlin@dberlin.org>
7602 * tree-tailcall.c (arg_needs_copy_p): New function.
7603 (eliminate_tail_call): Use arg_needs_copy_p.
7604 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7605 (add_virtual_phis): New function.
7607 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7609 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7610 #ignore instead of #scratch for %g7 .register directive.
7612 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7614 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7617 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7619 * flow.c (calculate_global_regs_live): Assert that there aren't any
7622 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7624 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7626 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7627 bsi_after_labels iterator.
7628 * tree-if-conv.c (find_phi_replacement_condition,
7629 replace_phi_with_cond_modify_expr): Likewise.
7630 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7631 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7633 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7635 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7637 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7640 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7641 array after growing it.
7643 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7646 * fold-const.c (fold_checksum_tree): Change type of buf.
7648 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7650 * reload.c (push_secondary_reload): Initialize t_icode.
7652 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7654 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7655 -msoft-float -mlong-double-128 only issue a warning, but don't
7656 swich to DFmode long double.
7658 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7660 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7661 has a constant equivalent, iterate over equivalents for arg0,
7662 calling simplify_relational_operation and if there's a result
7663 cheaper than X, apply fold_rtx and return the result.
7665 2006-02-01 Jan Hubicka <jh@suse.cz>
7667 * opts.c (no_unit_at_a_time_default): New global variable.
7668 (decode_options): Use it.
7669 * opts.h (no_unit_at_a_time_default): Declare.
7671 2006-02-01 Paul Brook <paul@codesourcery.com>
7673 * function.c (assign_parm_setup_reg): Use function argument promotion
7675 * expr.c (expand_expr_real_1): Use function argument promotion rules
7678 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7680 * gcc.c (process_command): Change j to 'unsigned int'.
7682 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7685 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7686 Use the corrected index for the character
7687 out of the string constant.
7689 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7691 * mode-switching.c (optimize_mode_switching): Fix size
7692 allocated for bb_info[n_entities].
7694 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7696 * gcc.c (main): Correct type that is allocated for
7697 explicit_link_files.
7699 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7701 * config/s390/s390.c (init_alignment_context): Set
7702 ALIAS_SET_MEMORY_BARRIER on the MEM.
7703 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7705 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7708 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7710 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7713 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7715 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7716 * regrename.c: Ditto.
7717 * tree-ssa-loop-im.c: Ditto.
7718 * tree-dump.c: Ditto.
7719 * tree-complex.c: Ditto.
7720 * genrecog.c: Ditto.
7721 * tree-ssa-threadupdate.c: Ditto.
7723 * java/class.c: Ditto.
7724 * java/jcf-parse.c: Ditto.
7725 * java/resource.c: Ditto.
7726 * java/except.c: Ditto.
7727 * java/jvspec.c: Ditto.
7728 * java/jcf-write.c: Ditto.
7729 * java/jcf-path.c: Ditto.
7730 * java/gjavah.c: Ditto.
7731 * java/zextract.c: Ditto.
7732 * java/jcf-io.c: Ditto.
7733 * java/jcf.h: Ditto.
7734 * java/buffer.c: Ditto.
7735 * java/lang.c: Ditto.
7736 * java/parse-scan.y: Ditto.
7737 * java/lex.c: Ditto.
7738 * java/lex.h: Ditto.
7739 * cfgloopmanip.c: Ditto.
7740 * postreload-gcse.c: Ditto.
7741 * tree-ssa-loop-manip.c: Ditto.
7742 * postreload.c: Ditto.
7743 * tree-ssa-loop-ch.c: Ditto.
7747 * diagnostic.c: Ditto.
7749 * genoutput.c: Ditto.
7751 * cfghooks.c: Ditto.
7752 * cfgloopanal.c: Ditto.
7753 * objc/objc-act.c: Ditto.
7755 * genextract.c: Ditto.
7756 * genautomata.c: Ditto.
7757 * pretty-print.c: Ditto.
7759 * cgraphunit.c: Ditto.
7762 * haifa-sched.c: Ditto.
7763 * dominance.c: Ditto.
7765 * tree-ssa-loop-ivopts.c: Ditto.
7767 * mode-switching.c: Ditto.
7768 * modulo-sched.c: Ditto.
7770 * ipa-pure-const.c: Ditto.
7772 * fix-header.c: Ditto.
7774 * tree-stdarg.c: Ditto.
7775 * ipa-utils.c: Ditto.
7776 * loop-init.c: Ditto.
7777 * ipa-inline.c: Ditto.
7780 * alloc-pool.c: Ditto.
7781 * dwarf2out.c: Ditto.
7783 * genattrtab.c: Ditto.
7784 * tree-ssa-loop-ivcanon.c: Ditto.
7788 * fortran/gfortranspec.c: Ditto.
7790 * local-alloc.c: Ditto.
7791 * langhooks.c: Ditto.
7792 * function.c: Ditto.
7793 * tree-vectorizer.c: Ditto.
7795 * ipa-type-escape.c: Ditto.
7797 * tree-if-conv.c: Ditto.
7800 * tree-data-ref.c: Ditto.
7801 * loop-unroll.c: Ditto.
7802 * treelang/treetree.c: Ditto.
7805 * ggc-common.c: Ditto.
7807 * coverage.c: Ditto.
7809 * tree-cfgcleanup.c: Ditto.
7810 * tree-ssa-pre.c: Ditto.
7811 * cfgcleanup.c: Ditto.
7812 * loop-invariant.c: Ditto.
7814 * ipa-prop.c: Ditto.
7815 * print-tree.c: Ditto.
7816 * conflict.c: Ditto.
7817 * ggc-page.c: Ditto.
7818 * sched-deps.c: Ditto.
7819 * regclass.c: Ditto.
7820 * tree-object-size.c: Ditto.
7822 * bb-reorder.c: Ditto.
7823 * resource.c: Ditto.
7824 * var-tracking.c: Ditto.
7826 * df-problems.c: Ditto.
7827 * reg-stack.c: Ditto.
7830 * sched-rgn.c: Ditto.
7831 * tree-ssa-structalias.c: Ditto.
7832 * tree-ssa-reassoc.c: Ditto.
7833 * config/darwin-c.c: Ditto.
7834 * config/darwin.c: Ditto.
7835 * config/arm/arm.c: Ditto.
7837 * collect2.c: Ditto.
7840 2006-01-31 Nicolas Pitre <nico@cam.org>
7842 * arm.md (smaxsi3): Make aware of smax_m1.
7845 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7847 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7849 2006-01-31 Richard Guenther <rguenther@suse.de>
7851 * doc/invoke.texi (-msselibm): Document.
7852 * target.h (expand_library_builtin): New target hook.
7853 * builtins.c (expand_builtin): Use expand_library_builtin.
7854 (default_expand_library_builtin): New function.
7855 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7856 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7857 (link_gcc_math_spec): Declare.
7858 (static_specs): Add link_gcc_math_spec.
7859 * expr.h (default_expand_library_builtin): Declare.
7860 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7861 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7862 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7863 * config/i386/i386.opt (msselibm): New target option.
7864 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7865 (ix86_init_sse_abi_builtins): New function.
7866 (ix86_expand_library_builtin): Likewise.
7867 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7868 (override_options): Handle error conditions wrt -msselibm.
7869 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7870 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7871 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7874 2006-01-31 Richard Guenther <rguenther@suse.de>
7875 Paolo Bonzini <bonzini@gnu.org>
7877 * doc/install.texi (--disable-libgcc-math): Document.
7879 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7881 * expr.h (expand_normal): new inline function.
7882 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7884 * dwarf2out.c: use it.
7889 * config/sparc/sparc.c: use it.
7890 * config/i386/i386.c: use it.
7891 * config/rs6000/rs6000.c: use it.
7892 * config/arm/arm.c: use it.
7893 * config/mips/mips.c: use it.
7894 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7896 2006-01-30 Roger Sayle <roger@eyesopen.com>
7898 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7899 argv to the appropriate type.
7901 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7903 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7906 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7909 * config/s390/s390.c (struct machine_function): New flag
7910 decomposed_literal_pool_addresses_ok_p.
7911 (s390_reorg): Set it before final stage of literal pool transforms.
7912 (s390_decompose_address): Only accept displacements of the form
7913 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7915 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7917 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7918 the comparison routine return.
7920 2006-01-30 Michael Matz <matz@suse.de>
7922 * global.c (find_reg): Only evict for global regs.
7923 Take n_refs into account and dump more info.
7925 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7928 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7929 (pragma_trap, pragma_nosave_low_regs): Likewise.
7930 (current_function_anonymous_args): Likewise.
7931 (sh_deferred_function_attributes): New variable.
7932 (sh_deferred_function_attributes_tail): Likewise.
7933 (print_operand): For '@', look up trap_exit attribute.
7934 (calc_live_regs): Look up trapa_handler attribute. For trapa
7935 handlers, save/restore fpscr, but don't do any other
7936 interrupt-specific saves.
7937 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7938 Fix check for partially saved registers to check for SHmedia.
7939 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7940 (sh_output_function_epilogue): Don't clear any of the removed
7942 (sh_insert_attributes): Don't check pragma_interrupt.
7943 Insert deferred attributes. Check that interrupt attribute is
7944 present for other attributes that require its presence.
7945 (sh_attribute_table): Add new attributes trapa_handler and
7947 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7948 Don't check for pragma_interrupt. Don't store argument.
7949 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7950 (sh_deferred_function_attributes): Declare.
7951 (sh_deferred_function_attributes_tail): Likewise.
7952 * sh.md (sp_switch_1): Add operand. Change generator caller.
7953 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7954 (*return_i): Don't use when trap_exit attribute is in effect.
7955 (*return_trapa): New insn pattern.
7957 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7958 setting c_target_objs and cxx_target_objs.
7959 * t-sh: Add rule for sh-c.o.
7961 2006-01-30 Richard Guenther <rguenther@suse.de>
7964 * gimplify.c (gimplify_target_expr): Handle easy cases
7965 without creating a temporary.
7967 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7969 * vec.h (safe_grow): Remove duplicated line.
7971 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7974 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7975 (expand_omp): ... here.
7976 (expand_omp_parallel): Only remove barriers for combined
7977 parallel+workshare constructs.
7979 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7983 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7984 * tree.c (build_qualified_type): Chain the new type to the original
7985 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7986 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7987 (build_pointer_type_for_mode): Only return unqualified types.
7988 (build_reference_type_for_mode): Likewise.
7990 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7992 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7993 * Makefile.in (CXX_COMPAT_WARN): Define.
7994 * configure: Regenerate.
7996 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7999 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8002 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8004 * toplev.c: Fix thinko.
8006 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8007 Marcin Dalecki <martin@dalecki.de>
8009 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8010 (push_srcloc): Use XNEW.
8011 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8013 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8015 * df-core.c (df_set_blocks): Deleted all variable.
8017 2006-01-28 Ian Lance Taylor <ian@airs.com>
8019 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8020 cgraph_output_pending_asms.
8022 2006-01-28 Zack Weinberg <zackw@panix.com>
8024 * c.opt: Add -W(no-)overlength-strings.
8025 * doc/invoke.texi: Document it.
8026 * c-opts.c (c_common_handle_option): -pedantic implies
8027 -Woverlength-strings, if not explicitly disabled already.
8028 (c_common_post_options): -Woverlength-strings defaults to off, and
8029 is always off for C++.
8030 * c-common.c (fix_string_type): Issue warning about strings longer
8031 than is portable only if warn_overlength_strings. Rearrange code
8032 a little for clarity.
8033 * configure.in: Check for -Wno-overlength-strings as well before
8034 enabling -pedantic in stage 1.
8035 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8036 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8038 * genconditions.c (write_header, write_one_condition)
8039 (write_conditions, write_writer): Consolidate very long strings
8040 that were broken up to fit in C89 portable limit. Don't use
8041 printf when fputs will do.
8043 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8045 * combine.c (simplify_comparison <AND>): Check
8046 TRULY_NOOP_TRUNCATION before start using a subreg.
8048 * config/mips/mips.md (*branch_zero<mode>,
8049 *branch_zero<mode>_inverted, *branch_equality<mode>,
8050 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8051 Remove mode check from comparisons.
8053 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8055 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8057 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8059 * expmed.c (const_mult_add_overflow_p): Remove.
8060 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8062 * recog.c (validate_replace_rtx_subexp): Remove.
8063 * recog.h: Remove the prototype for
8064 validate_replace_rtx_subexp.
8066 * integrate.h: Remove the prototype for
8067 copy_decl_for_inlining.
8068 * rtl.h: Remove the prototype for mark_constant_function.
8069 * tree-vectorizer.h: Remove the prototype for
8070 vect_strip_conversion.
8072 * modulo-sched.c (create_partial_schedule,
8073 free_partial_schedule, reset_partial_schedule): Make them
8076 * hooks.c (hook_bool_rtx_int_false): Remove.
8077 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8079 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8081 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8082 and -mlong-double-128 are incompatible.
8083 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8084 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8085 (TARGET_LIBGCC2_CFLAGS): Define.
8086 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8087 (TARGET_LIBGCC2_CFLAGS): Same.
8088 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8090 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8093 * c-typeck.c (build_binary_op): Perform implicit casts of
8094 operands before shortening them.
8096 * cfgloopmanip.c (split_loop_bb): Remove.
8097 * cfgloop.h: Remove the prototype for split_loop_bb.
8099 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8100 * cfgloop.h: Remove the prototype for
8101 flow_loop_outside_edge_p.
8103 * emit-rtl.c (init_virtual_regs): Make it static.
8104 * function.h: Remove the prototype for init_virtual_regs.
8106 * recog.c (peephole2_optimize): Make it static.
8107 * recog.h: Remove the prototype for peephole2_optimize.
8109 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8111 * df-scan.c (df_record_entry_block_defs): Check if
8112 INCOMING_RETURN_ADDR_RTX is defined.
8114 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8115 Kenneth Zadeck <zadeck@naturalbridge.com>
8117 PR rtl-optimization/24762
8118 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8119 * targhooks.c (hook_void_bitmap): New hook prototype.
8120 * targhoohs.h (hook_void_bitmap): Ditto.
8121 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8122 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8123 * target.h (live_on_entry): New function pointer.
8124 * df-scan.c (df_all_hard_regs): Removed.
8125 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8126 (df_scan_free_internal): Added df->entry_block_defs.
8127 (df_scan_alloc): Ditto.
8128 (df_scan_dump): Ditto.
8129 (df_uses_record): Plumbed flag field properly thru calls.
8130 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8131 This part fixes PR24762.
8132 (df_bb_refs_record): Added code to make the frame and arg
8133 pointers live in EH blocks.
8134 (df_refs_record): Added call to df_record_entry_block_defs.
8135 (df_record_entry_block_defs): New function.
8136 * df-core.c: Added comments to describe new artifical defs.
8137 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8138 (entry_block_defs): New field in struct df.
8139 (df_all_hard_regs): Deleted.
8140 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8141 * df-problems.c (df_ru_bb_local_compute_process_def):
8142 Added code to handle artifical defs in the entry to a function.
8143 (df_ru_bb_local_compute): Ditto.
8144 (df_rd_bb_local_compute_process_def): Ditto.
8145 (df_rd_bb_local_compute): Ditto.
8146 (df_lr_bb_local_compute): Ditto.
8147 (df_ur_bb_local_compute): Ditto.
8148 (df_urec_bb_local_compute): Ditto.
8149 (df_chain_create_bb): Ditto.
8150 (df_ur_local_finalize): Removed entry.
8151 (df_urec_init): Ditto.
8152 (df_urec_local_finalize): Ditto.
8153 (df_ri_bb_compute): Added detection of last use of pseudos.
8154 * Makefile.in (df-scan.o): Updated dependencies.
8155 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8156 * config/mips/mips.c (mips_set_live_on_entry): Added.
8157 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8159 * dce.c (marked_insn_p): Added code to handle artifical defs.
8161 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8163 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8165 (_mm_cvtsi128_si64): Likewise.
8166 (_mm_cvtsd_si64): Likewise.
8167 (_mm_cvttsd_si64): Likewise.
8168 (_mm_cvtsi64_sd): Likewise.
8169 (_mm_cvtsi64_si128): Likewise.
8170 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8171 (_mm_cvtsi64_m64): Likewise.
8172 (_m_to_int64): Likewise.
8173 (_mm_cvtm64_si64): Likewise.
8174 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8175 (_mm_cvttss_si64): Likewise.
8176 (_mm_cvtsi64_ss): Likewise.
8177 (_mm_cvtss_f32): Likewise.
8179 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8181 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8182 for pragma redefine_extname.
8184 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8187 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8188 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8189 -mno-minimal-toc to previous content.
8190 (bispecs): Remove goal.
8191 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8192 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8193 compatibility aliases on powerpc-*-*gnu*.
8194 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8195 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8196 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8197 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8198 (ldblspecs): New goal.
8199 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8200 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8202 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8203 L_sf_to_tf or L_df_to_tf is defined.
8205 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8206 Alan Modra <amodra@bigpond.net.au>
8209 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8210 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8211 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8212 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8213 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8214 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8215 (rs6000_override_options): Initialize rs6000_ieeequad.
8216 Initialize TFmode format to ibm_extended_format if not
8218 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8220 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8221 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8222 (function_arg_advance): IBM long double passed in two FPRs, not
8224 (function_arg): IBM long double passed in FPRs.
8225 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8226 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8227 Only multireg GPR aligned.
8228 (rs6000_init_libfuncs): Enable IBM long double functions if not
8230 (rs6000_generate_compare): Use IBM long double compare if not
8232 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8233 (TARGET_IEEEQUAD): Define.
8234 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8235 not TARGET_IEEEQUAD.
8236 * config/rs6000/rs6000.md: Enable TFmode patterns if
8238 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8239 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8240 and -mlong-double-128 are incompatible.
8241 * doc/invoke.texi (-mabi): Collect options together. Add
8242 ibmlongdouble and ieeelongdouble.
8244 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8246 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8248 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8249 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8250 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8251 * rtl.h (rtunion_def): Remove rt_ptr.
8253 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8254 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8255 * config/i386/winnt.c (i386_pe_mark_dllexport)
8256 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8258 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8260 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8262 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8266 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8267 pthread_key_delete. From John David Anglin. gthrw-ify
8268 pthread_getunique_np only if it it's not a macro. Delete
8270 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8271 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8272 __gthread_objc_condition_signal, __gthread_key_delete): Add
8273 "__attribute__ ((__unused__))" to unused arguments.
8274 (__gthread_recursive_mutex_init_function): Add missing return.
8275 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8276 gthr-posix95.h: Use macro-based approach for name redirection
8277 on targets missing weakref.
8279 2006-01-26 Zack Weinberg <zackw@panix.com>
8281 * genconditions.c (write_header): In generated code, #ifdef out
8282 all includes and fake declarations, except includes of bconfig.h
8283 and system.h, unless GCC_VERSION >= 3001. Do not include
8284 gensupport.h in any case.
8285 (write_conditions): Generate a definition of struct c_test. Add
8286 a comment to the generated #endif.
8287 (write_one_condition): Escape backslashes in string too.
8288 (write_writer): Generated code must escape backslashes and quote
8289 marks (but not newlines) in the strings it writes.
8290 * Makefile.in (build/gencondmd.o): Update dependencies.
8292 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8295 * Makefile.in (insn-automata.o): Add header file dependencies.
8296 * genautomata.c: Add includes.
8298 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8301 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8303 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8305 * configure.ac: Expect target tools paths to be passed from the toplevel
8306 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8308 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8310 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8313 * c.opt (Wpointer-sign): Init to -1.
8314 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8315 OPT_pedantic, to 0 otherwise.
8316 * doc/invoke.texi: Update.
8318 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8320 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8321 constants provided by 80387 instructions in the destination mode.
8323 2006-01-26 Richard Guenther <rguenther@suse.de>
8324 Andrew Pinski <pinskia@physics.uc.edu>
8327 partial PR tree-opt/17064
8328 * tree-ssa-structalias.c (intra_create_variable_infos):
8329 Create heap variables for incoming parameters if
8330 flag_argument_noalias > 1.
8331 (find_what_p_points_to): Look through default defs of
8334 2006-01-26 Jeff Law <law@redhat.com>
8337 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8338 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8339 within the VR_RANGE, use the VR_RANGE as the result, not the
8341 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8342 bounds for the type.
8344 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8346 * tree-ssa-alias.c (maybe_create_global_var): Change
8347 subvar walking to an assertion that we don't have subvar'd variables.
8349 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8352 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8353 Use a new variable, inner. PARM_DECLs are always non-weak.
8355 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8357 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8360 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8362 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8364 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8366 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8367 (smax_insn, smin_insn, smax_0, smin_0): New.
8369 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8372 * config/cris/cris.c (cris_order_for_addsi3): New function.
8373 * config/cris/cris-protos.h: Prototype it.
8374 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8375 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8376 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8377 (split for "op.S1 [rx=rx+i],ry (swapped)")
8378 (split for "op(s|u).S1 [rx=rx+i],ry")
8379 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8380 Apply cris_order_for_addsi3 when generating addsi3 insns.
8382 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8384 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8385 (TREE_BLOCK): Add call to EXPR_CHECK.
8387 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8390 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8391 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8392 (dump_omp_clauses): ... here.
8393 (dump_generic_node): Handle OMP_CLAUSE.
8394 * tree.c (omp_clause_num_ops): New.
8395 (omp_clause_code_name): New.
8396 (tree_code_size): Handle OMP_CLAUSE.
8397 (tree_size): Likewise.
8398 (make_node): Document handling of OMP_CLAUSE.
8399 (tree_node_structure): Handle OMP_CLAUSE.
8400 (omp_clause_check_failed): New.
8401 (omp_clause_range_check_failed): New.
8402 (omp_clause_operand_check_failed): New.
8403 (build_omp_clause): New.
8404 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8405 * tree.h (enum omp_clause_code): Declare.
8406 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8407 (OMP_CLAUSE_RANGE_CHECK): Define.
8408 (OMP_CLAUSE_ELT_CHECK): Define.
8409 (omp_clause_check_failed): Declare.
8410 (omp_clause_operand_check_failed): Declare.
8411 (omp_clause_range_check_failed): Declare.
8412 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8413 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8414 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8415 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8416 (OMP_CLAUSE_IF_EXPR): Likewise.
8417 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8418 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8419 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8420 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8421 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8422 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8423 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8424 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8425 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8426 (OMP_CLAUSE_CODE): Define.
8427 (OMP_CLAUSE_SET_CODE): Define.
8428 (OMP_CLAUSE_CODE): Define.
8429 (OMP_CLAUSE_OPERAND): Define.
8430 (struct tree_omp_clause): Declare.
8431 (union tree_node): Add field 'omp_clause'.
8432 * treestruct.def (TS_OMP_CLAUSE): Define.
8433 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8434 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8435 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8436 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8437 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8438 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8439 (OMP_CLAUSE): Define.
8440 * print-tree.c (print_node): Handle OMP_CLAUSE.
8441 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8442 * c-typeck.c: Likewise.
8443 * gimplify.c: Likewise.
8444 * c-omp.c: Likewise.
8445 * tree-nested.c: Likewise.
8446 * tree-inline.c: Likewise.
8447 * c-parser.c: Likewise.
8448 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8451 2006-01-25 Roger Sayle <roger@eyesopen.com>
8453 PR rtl-optimization/25703
8454 * combine.c (try_combine): Handle zero_extract and strict_low_part
8455 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8457 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8459 * global.c: Fix comment typos.
8461 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8464 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8465 Use output_addr_const instead of assemble_name.
8467 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8469 * Makefile.in (sched-vis.o): Update dependencies.
8470 * haifa-sched.c (sched_finish): Clear current_sched_info.
8471 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8472 (dump_flow_info): Call it.
8473 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8475 * basic-block.h (dump_bb_info): Declare.
8476 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8477 option, and apply options only for dump files whose TDF_RTL,
8478 TDF_TREE, or TDF_IPA bits match.
8479 * rtl.h: Declare new functions exported from sched-vis.c.
8480 * sched-vis.c: Enable also if scheduling is not used.
8481 (print_value): Print the mode of registers if not inside scheduling.
8482 (print_insn): Make it work outside the scheduler. Beautify the output
8484 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8486 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8488 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8489 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8490 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8491 depending on the value of CONSTANT_POOL_ADDRESS_P.
8492 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8494 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8495 rather than SYMBOL_REF_DECL.
8496 (rtx_constant_pool): Remove const_rtx_sym_htab.
8497 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8498 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8499 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8500 Remove handling of const_rtx_sym_htab.
8501 (find_pool_constant): Delete.
8502 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8503 rather than find_pool_constant.
8504 (get_pool_constant_for_function): Delete.
8505 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8507 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8508 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8509 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8510 (SYMBOL_REF_CONSTANT): New macro.
8511 (get_pool_constant_for_function): Delete.
8512 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8513 rather than SYMBOL_REF_DECL.
8514 (i386_pe_mark_dllimport): Likewise.
8515 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8516 rather than SYMBOL_REF_DECL.
8517 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8518 (machopic_indirect_call_target): Likewise.
8520 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8522 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8524 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8526 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8528 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8530 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8532 2006-01-24 David Daney <ddaney@avtrex.com>
8535 * configure.ac (enable_tls): New enable option.
8536 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8537 * configure: Regenerate.
8538 * doc/install.texi (--enable-tls): Document new option.
8539 (--disable-tls): Ditto.
8541 2006-01-24 Richard Henderson <rth@redehat.com>
8543 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8544 * alias.c (true_dependence): Respect it.
8545 (canon_true_dependence, write_dependence_p): Likewise.
8546 * builtins.c (get_builtin_sync_mem): Set it.
8548 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8550 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8553 2006-01-24 DJ Delorie <dj@redhat.com>
8555 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8556 for storing constants in single-bit bitfields.
8558 2006-01-25 Ben Elliston <bje@au.ibm.com>
8560 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8562 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8565 * tree-ssa-pre.c (phi_translate): Return NULL
8566 for AGGREGATE_TYPE's.
8568 2006-01-24 Zack Weinberg <zackw@panix.com>
8570 * genautomata.c (process_state_for_insn_equiv_partition):
8571 Use xcalloc for insn_arcs_array.
8572 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8573 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8575 2006-01-24 Richard Henderson <rth@redhat.com>
8577 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8580 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8582 PR rtl-optimization/25890
8583 PR rtl-optimization/25905
8584 * combine.c (expand_compound_operation, expand_field_assignment):
8585 Fail if the bitfield's final position is out of bounds.
8587 2006-01-24 Ian Lance Taylor <ian@airs.com>
8590 * cgraphunit.c (cgraph_output_in_order): Don't clear
8591 cgraph_asm_nodes until after asm strings have been output.
8593 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8595 * fix-header.c (read_scan_file): Add new parameter imultilib when
8596 calling register_include_chains.
8598 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8600 * omp-low.c: Update documentation.
8602 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8603 Daniel Berlin <dberlin@dberlin.org>
8607 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8608 return from the function.
8610 2006-01-22 Zack Weinberg <zackw@panix.com>
8612 * rtl.def (match_code): Add second argument.
8613 * genpreds.c (write_extract_subexp): New function.
8614 (write_match_code): Add path argument. Use write_extract_subexp.
8615 (write_predicate_expr): Pass path to write_match_code.
8616 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8617 not perform a mode test.
8618 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8619 a subexpression does not constrain the top-level code set.
8620 * read-rtl.c (read_rtx_variadic): New function.
8621 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8622 * doc/md.texi: Document new notation.
8623 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8624 (cmpsi_operand): ... here, using new notation.
8626 2006-01-22 Zack Weinberg <zackw@panix.com>
8628 * varray.c: Remove GENERATOR_FILE #ifdefs.
8630 2006-01-22 Zack Weinberg <zackw@panix.com>
8632 * genautomata.c (output_reserved_units_table): Emit nothing if
8633 description->query_units_num is zero. Remove extra blank line.
8634 (output_cpu_unit_reservation_p): Short circuit
8635 if description->query_units_num is zero.
8637 2006-01-22 Zack Weinberg <zackw@panix.com>
8639 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8640 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8641 nor any of the random handful of variables that used to be necessary
8642 when this program was linked with rtlanal.o. Prune set of forward
8643 function declarations.
8644 (struct attr_desc): Remove static_p field.
8645 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8646 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8647 (attr_string): Do not read the character one past the length of
8649 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8650 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8651 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8652 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8653 (make_automaton_attrs): New.
8654 (main): Do not call into genautomata. Call local gen_bypass
8655 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8656 Remove special case for insn_alts.
8657 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8658 varray.h (leftover from previous change). Prune set of forward
8659 function declarations. Remove state_alts fields from all
8660 structures. Remove state_alts_table from struct automaton.
8661 Make everything except main static. Do not maintain num_dfa_decls.
8662 Do not maintain state_alts fields of various structures.
8663 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8664 (add_arc): Remove state_alts argument. All callers updated.
8665 (output_reserved_units_table): Emit #ifdef here...
8666 (output_tables): ...not here. Don't generate state_alts tables.
8667 (expand_automata): Don't generate attributes.
8668 (write_automata): Don't generate state_alts functions.
8669 (main): New function.
8670 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8671 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8672 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8673 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8674 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8675 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8676 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8677 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8679 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8680 * genattrtab.h: Delete file.
8681 * Makefile.in (OBJS-common): Add insn-automata.o.
8682 (insn-automata.o): New rule.
8683 (simple_generated_c): Add insn-automata.c.
8684 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8685 (genprogmd): Add automata.
8686 (build/genattrtab): Needs no extra objects nor libraries.
8687 (build/genautomata): Needs build/vec.o and -lm.
8689 2006-01-22 Zack Weinberg <zackw@panix.com>
8691 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8692 (output_dfa_max_issue_rate, locked_states_num): Delete.
8693 (struct automaton): Add locked_states field.
8694 (output_dead_lock_vect): Save number of locked states in
8695 automaton->locked_states. If it is zero, don't print anything.
8696 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8697 (output_internal_dead_lock_func): Only test the dead_lock_vect
8698 for automata that have locked states.
8699 (output_statistics): Always print the number of locked states for
8700 each automaton. Calculate total number of locked states here.
8701 (write_automata): Don't call output_dfa_max_issue_rate.
8702 * genattrtab.c: Define length_unit_log as a const variable.
8703 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8704 max_insn_queue_index const.
8705 * final.c (length_unit_log): Declare const.
8706 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8708 2006-01-22 Zack Weinberg <zackw@panix.com>
8710 * genautomata.c: Include vec.h, not varray.h.
8711 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8712 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8713 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8714 VEC_* macros operating on appropriately typed vectors, or to
8715 malloced arrays when the size is known in advance. Const-ify
8716 many char* variables and function arguments. No functional changes.
8717 * Makefile.in (build/varray.o): Delete rule.
8718 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8719 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8721 2006-01-22 Zack Weinberg <zackw@panix.com>
8723 * gensupport.c: Define get_insn_name and record_insn_name here.
8724 (read_md_rtx): Call record_insn_name as appropriate.
8725 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8726 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8727 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8729 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8730 (BUILD_VARRAY): Delete.
8731 (genprognormal): Rename genprogmd. Fold in all programs from
8732 genprognoprint; also attrtab.
8733 (build/genattrtab): Just mention genautomata.o and varray.o.
8734 Reorganize a bit, add comments to make the categories clearer.
8736 2006-01-22 Zack Weinberg <zackw@panix.com>
8738 * genconditions.c (condition_table, add_condition): Delete.
8739 (write_conditions): Don't emit n_insn_conditions nor
8740 insn_elision_unavailable. Issue the gcc version #ifdef here,
8741 inside the table, with no #else clause ...
8742 (write_header): ...not here.
8743 (write_writer): New function.
8744 (main): Don't initialize condition_table. Use add_c_test.
8746 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8747 files on the command line.
8748 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8749 Return -1 if there is no entry in the table, don't abort.
8750 (add_c_test, traverse_c_tests): New functions.
8751 * gensupport.h (insn_elision_unavailable, insn_conditions)
8752 (n_insn_conditions): Delete declarations.
8753 (add_c_test, traverse_c_tests): Declare.
8754 * read-rtl.c: Include gensupport.h.
8755 (read_conditions): New function.
8756 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8757 (read_rtx_1): If we get EOF when we were looking for an initial
8758 open paren, return 0. Call read_conditions when appropriate.
8759 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8760 dummy-conditions.o. Eliminate references to insn-conditions.o,
8761 or change them to build/gencondmd.o, as appropriate. Remove
8762 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8763 from $(simple_generated_c). For all files remaining in those
8764 two lists, add insn-conditions.md to the generator command line.
8765 Give insn-constants.h/s-constants their own rules. Add rules
8766 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8767 (build/read-rtl.o): Depend on gensupport.h.
8768 (genprognormal): Include preds.
8769 (genprogearly): Rename genprognoprint; only difference is now that
8770 they don't link with $(BUILD_PRINT).
8771 * dummy-conditions.c: Delete.
8773 2006-01-22 Zack Weinberg <zackw@panix.com>
8775 * genextract.c: Don't include insn-config.h. Do include vec.h.
8776 Declare vectors of int, char, and locstr.
8777 (locstr): New typedef.
8778 (struct extraction): Make all array fields into bare pointers.
8779 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8780 (insn_code_number): Delete.
8781 (accum_extract): New struct.
8782 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8783 (gen_insn): Take insn_code_number as an argument. Use an
8784 accum_extract structure instead of loading data directly into
8785 a struct extraction, and having to know how big it might get.
8786 (walk_rtx): Operate entirely on an accum_extract structure.
8787 (print_path): Avoid unnecessary use of printf.
8788 (print_header): New function, split out of main. Distinguish
8789 more carefully between an unrecognizable insn and an insn that
8790 has the code number of a define_expand.
8791 (main): Pass insn_code_number to gen_insn. Call print_header
8792 only after parsing. Avoid unnecessary use of printf.
8793 * Makefile.in (build/vec.o): New rule.
8794 (build/genextract): Depend on build/vec.o.
8795 (build/genextract.o): Don't depend on insn-config.h.
8797 2006-01-22 Zack Weinberg <zackw@panix.com>
8799 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8800 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8801 practical. Eliminate per-generator-program link rules.
8803 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8806 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8807 with a call expr to ...
8808 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8810 2006-01-23 Richard Guenther <rguenther@suse.de>
8812 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8813 before make_edge with conditional EDGE_TRUE_VALUE.
8815 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8816 Jan Hubicka <jh@suse.cz>
8817 Richard Guenther <rguenther@suse.de>
8819 PR rtl-optimization/25654
8820 * cfgexpand.c (aggregate_contains_union_type): New function.
8821 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8822 for structure variables that contain a union type.
8824 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8826 * gengtype.c (new_structure): Return the structure.
8827 (create_option): Add an extra "next" argument.
8828 (create_field): New function.
8829 (adjust_field_rtx_def): Use create_option and create_field.
8830 Remove a now-unnecessary call to find_structure.
8831 (adjust_field_tree_def): Likewise.
8832 (note_yacc_type): Remove an unnecessary call to find_structure.
8833 * gengtype.h (new_structure): Return the structure.
8834 (create_option): Add an extra argument.
8835 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8836 (option): Adjust calls to create_option.
8838 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8840 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8842 2006-01-22 Paul Brook <paul@codesourcery.com>
8843 Peter Barada <peter@the-baradas.com>
8845 * config/m68k/m68k.md: Add Coldfire FPU support.
8846 Define FP mode macro and associated attributes.
8847 Use it for float mode patterns.
8848 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8849 (LIBCALL_VALUE): Use m68k_libcall_value.
8850 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8851 (m68k_function_value): Ditto.
8852 (emit_move_sequence): Ditto.
8853 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8854 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8855 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8856 (MULTILIB_EXCEPTIONS): Ditto.
8857 * config/m68k/m68k.opt: Add mcfv4e.
8858 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8859 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8860 (m68k_output_function_prologue): Save ColdFire FPU registers.
8861 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8862 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8863 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8864 ColdFire FPU registers.
8865 (m68k_libcall_value, m68k_function_value): New functions.
8866 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8867 (LIBCALL_VALUE): Use m68k_libcall_value.
8868 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8869 (MASK_COLDFIRE): Add MASK_CFV4E.
8870 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8871 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8872 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8873 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8874 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8875 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8876 * doc/invoke.tex: Document -mcfv4e on m68k.
8878 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8880 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8883 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8886 * c-opts.c (c_common_handle_option): Don't include
8887 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8888 * doc/invoke.texi (C++ Dialect Options): Document that
8889 -Wnon-virtual-dtor is no longer included in -Wall.
8891 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8893 * gcov.c (print_version), gcov-dump.c (print_version),
8894 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8897 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8899 * df-scan.c (problem_SCAN): Added NULL reset function.
8900 (df_scan_reset_blocks): Added code to call reset block function
8901 (df_bb_refs_delete) Fixed comment.
8902 (df_insn_refs_delete): Made tolerant of deleting non existent info
8903 for dataflow problems that need to be reset.
8904 * df-core.c (df_set_blocks): Ditto.
8905 * df.h (struct df_problem): Added reset_fun.
8906 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8907 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8908 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8909 functions to clear out all references to def-use or use-def chains.
8911 2006-01-21 Ben Elliston <bje@au.ibm.com>
8913 * varasm.c (assemble_real): Initialise data array.
8915 2006-01-20 Paul Brook <paul@codesourcery.com>
8917 Merge from csl-arm-branch.
8918 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8919 * config/arm/arm.md (movdi): Force operands[1] to a register
8920 if we have a non-register source.
8921 (*arm_movdi, *movdf_soft_insn): Require that one of the
8922 operands be a register.
8923 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8924 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8926 2006-01-20 DJ Delorie <dj@redhat.com>
8928 * varasm.c (initialize_constant_valid_p): Allow pointers
8929 initialized from integer constants of lesser precision.
8930 (output_constant): Allow non-int-sized pointer modes to be
8931 initialized from integer constants.
8933 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8936 * cppdefault.h (struct default_include): Add multilib flag.
8937 * cppdefault.c (cpp_include_defaults): Set it.
8938 * c.opt (-imultilib): New option.
8939 * c-opts.c (imultilib): New.
8940 (c_common_handle_option): Handle -imultilib.
8941 (c_common_post_options): Likewise.
8942 * c-incpath.c (add_standard_paths, register_include_chains):
8944 * c-incpath.h (register_include_chains): Add extra parameter.
8945 * gcc.c (do_spec_1): Generate -imultilib option.
8946 (The Specs Language): Update %I description.
8947 (process_command): Update copyright notice.
8948 * doc/cppopts.texi (-imultilib): Document.
8949 * doc/invoke.texi (-imultilib): Include in option summary.
8950 (%I): Update specs documentation.
8952 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8954 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8956 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8958 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8961 2006-01-20 Richard Guenther <rguenther@suse.de>
8962 Steven Bosscher <stevenb.gcc@gmail.com>
8964 PR rtl-optimization/24626
8965 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8966 EDGE_TRUE_VALUE if in RTL mode.
8969 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8970 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8972 2006-01-20 Dirk Mueller <dmueller@suse.com>
8975 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8976 instead of a special NOP marker.
8977 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8978 NOP marker handling.
8979 * c-common.h (empty_body_warning): Add forward declaration.
8980 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8981 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8983 2006-01-20 Paul Brook <paul@codesourcery.com>
8985 * Makefile.in (lang_checks): Keep going if mkdir fails.
8987 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8989 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8990 be able to clean out basic block when not necessary.
8991 (df_scan_free): Fixed to properly delete information if df is
8992 unused before calling df_finish.
8993 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8994 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8996 (df_bb_refs_delete): New function.
8997 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8998 * df-core.c (df_set_blocks): Added code to properly clean out
8999 unused blocks if they are not part of the blocks to consider.
9000 Added additional null check.
9001 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9002 be able to clean out basic block when not necessary
9003 * df.h (df_free_bb_function): Ditto.
9004 (df_bb_refs_delete): New function.
9005 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9006 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9007 basic block parameter to be able to clean out basic block when not
9009 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9010 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9011 Fixed to properly delete information if df is unused before
9014 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9016 PR rtl-optimization/25799
9017 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9018 Corrected confluence operator to remove bits from op2 before oring
9019 with op1 rather than removing bits from op1.
9020 (df_ru_transfer_function): Corrected test on wrong bitmap which
9021 caused infinite loop. Both of these problems were introduced in
9022 the dataflow rewrite.
9024 2006-01-19 DJ Delorie <dj@redhat.com>
9026 * reload1.c (find_reload_regs): Note the details of reload
9027 failures in the dump file.
9028 (spill_failure): Likewise.
9030 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9032 * loop-iv.c: Include df.h and hashtab.h.
9033 (enum iv_grd_result): New enum.
9034 (DF_REF_IV, DF_REF_IV_SET): New macros.
9035 (struct biv_entry): New.
9036 (df, bivs): New global variables.
9037 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9038 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9040 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9041 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9042 analyzed_for_bivness_p, record_biv): New functions.
9043 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9044 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9045 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9047 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9049 (iv_number_of_iterations): Use new interface to iv analysis.
9050 * loop-unroll.c: Do not include varray.h.
9051 (analyze_iv_to_split_insn): Use new interface to iv
9053 * loop-unswitch.c (may_unswitch_on): Ditto.
9054 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9056 (df_bb_modify): Realloc tables to the new index.
9057 (df_find_use): New function.
9058 * df.h (df_find_use): Declare.
9059 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9061 * cfgloop.h (struct rtx_iv): Remove analysed field.
9062 (iv_get_reaching_def): Removed.
9063 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9064 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9065 (loop-iv.o): Add df.h and hashtab.h dependency.
9066 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9068 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9071 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9073 (__floatundisf, __floatundidf): Likewise.
9074 * libgcc2.h (IS_IBM_EXTENDED): Define.
9076 2006-01-19 DJ Delorie <dj@redhat.com>
9078 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9080 2006-01-19 Paul Brook <paul@codesourcery.com>
9082 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9083 as nothrow when unwinding tables are disabled.
9085 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9088 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9089 of bit-field" when in system header.
9091 2006-01-19 DJ Delorie <dj@redhat.com>
9093 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9094 the 16 bit shift limit of the m16c.
9096 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9099 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9100 * config/i386/i386.c (output_set_got): Output the label if we have one
9101 for the TARGET_DEEP_BRANCH_PREDICTION case.
9103 2006-01-19 Jan Hubicka <jh@suse.cz>
9104 H.J. Lu <hongjiu.lu@intel.com>
9105 Evandro Menezes <evandro.menezes@amd.com>
9107 * invoke.texi (generic): Document
9109 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9110 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9111 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9112 (x86_use_incdec, x86_pad_returns): New variables
9113 (TARGET_CPU_DEFAULT_generic): New constant
9114 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9115 (enum processor_type): Add generic32 and generic64.
9116 * i386.md (cpu attribute): Add generic32/generic64
9117 (movhi splitter): Behave sanely when both partial_reg_dependency and
9118 partial_reg_stall are set.
9119 (K8 splitters): Enable for generic as well.
9120 * predicates.md (incdec_operand): Use TARGET_INCDEC
9121 (aligned_operand): Avoid memory mismatch stalls.
9122 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9123 * ppro.md: Enable for generic32
9124 * i386.c (generic64_cost, generic32_cost): New.
9125 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9126 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9127 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9128 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9129 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9130 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9131 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9132 x86_accumulate_outgoing_args, x86_prologue_using_move,
9133 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9134 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9136 (x86_use_incdec, x86_pad_returns): New.
9137 (override_options): Add generic32 and generic64, translate "generic"
9138 to generic32/generic64 and "i686" to "generic32", refuse
9139 "generic32"/"generic64" as arch target.
9140 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9141 (ix86_reorg): Honor PAD_RETURNS.
9143 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9145 * tree-pretty-print.c (dump_generic_node): Handle
9146 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9147 * cgraph.c (cgraph_expand_queue): Rename from
9148 cgraph_analyze_queue. Update all users.
9149 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9150 cgraph_expand_queue.
9151 (cgraph_expand_all_functions): Likewise.
9152 (cgraph_finalize_pending_functions): Remove. Update callers.
9154 * tree.h (OMP_DIRECTIVE_P): Define.
9155 (OMP_PARALLEL_FN): Define.
9156 (OMP_PARALLEL_DATA_ARG): Define.
9157 (OMP_SECTIONS_SECTIONS): Define.
9158 * tree-pass.h (pass_expand_omp): Declare.
9159 * omp-low.c (struct omp_region): Declare.
9160 (struct omp_context): Remove fields 'parallel_type',
9161 'parallel_start_ix' and 'parallel_start_additional_args'.
9163 (struct omp_for_data): Rename from struct expand_omp_for_data.
9164 (omp_regions): New static variable.
9165 (root_omp_region): New static variable.
9166 (find_omp_clause): Make static.
9167 (is_in_combined_parallel_ctx): Remove.
9168 (is_combined_parallel): New.
9169 (extract_omp_for_data): Move earlier in the file.
9170 (workshare_safe_to_combine_p): New.
9171 (get_ws_args_for): New.
9172 (determine_parallel_type): Move earlier in the file.
9173 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9175 (omp_copy_decl): Likewise.
9176 (create_omp_child_function): Likewise.
9177 (lookup_omp_region): New.
9178 (dump_omp_region): New.
9179 (debug_omp_region): New.
9180 (debug_all_omp_regions): New.
9181 (new_omp_region): New.
9182 (scan_omp_parallel): If parallel_nesting_level > 1, the
9183 directive is nested within another parallel directive.
9184 Set OMP_PARALLEL_FN.
9185 (scan_omp_for): Do not try to handle combined parallel+for
9187 Remove FIXME comment.
9188 (scan_omp_nested): Remove.
9189 (scan_omp_1): Do not call scan_omp_nested when
9190 parallel_nesting_level is > 1.
9191 Do not change the DECL_CONTEXT of local variables found.
9192 (lookup_decl_in_outer_ctx): New.
9193 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9194 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9195 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9196 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9197 If CTX is nested, lookup VAR in the outer context when
9198 building copy assignment.
9199 (lower_send_clauses): Rename from expand_send_clauses.
9200 If CTX is nested, lookup VAR in the outer context when
9201 building copy assignments.
9202 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9203 If CTX is nested, lookup VAR in the outer context when
9204 building copy assignments.
9205 (expand_parallel_call): Rename from build_parallel_call.
9206 Handle combined parallel+workshare cases.
9207 Re-implement to emit code into the CFG.
9209 (expand_omp_parallel): Re-implement to emit code into the CFG.
9210 Call move_sese_region_to_fn to outline the sub-graph
9211 containing the parallel region.
9212 (expand_omp_for_1): Remove.
9213 (expand_omp_for_generic): Re-implement to emit code into the
9215 (expand_omp_for_static_nochunk): Likewise.
9216 (expand_omp_for_static_chunk): Likewise.
9217 (expand_omp_for): Likewise.
9218 (expand_omp_sections): Likewise.
9219 (remove_exit_barriers): New.
9220 (expand_omp_synch): New.
9222 (build_omp_regions_1): New.
9223 (build_omp_regions): New.
9224 (execute_expand_omp): New.
9225 (gate_expand_omp): New.
9226 (pass_expand_omp): Define.
9227 (lower_omp_sections): Rename from expand_omp_sections.
9228 Set OMP_SECTIONS_SECTIONS.
9229 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9230 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9231 (lower_omp_single): Rename from expand_omp_simple.
9232 (lower_omp_master): Rename from expand_omp_master.
9233 (lower_omp_ordered): Rename from expand_omp_ordered.
9234 (lower_omp_critical): Rename from expand_omp_critical.
9235 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9236 (lower_omp_for): Re-implement.
9237 (lower_omp_parallel): Re-implement.
9238 (lower_regimplify): Rename from expand_regimplify.
9239 (lower_omp_1): Rename from expand_omp_1.
9240 If there are syntax errors in the program, replace every
9241 OpenMP directive with NOP.
9242 Call lower_omp_* instead of expand_omp_*.
9243 (lower_omp): Rename from expand_omp.
9245 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9246 * tree-gimple.h (enum omp_parallel_type): Remove.
9247 (gimple_boolify): Declare extern.
9248 (find_omp_clause, determine_parallel_type): Remove.
9250 * gimple-low.c (lower_omp_directive): New.
9251 (lower_stmt): Call it.
9252 (record_vars_into): Move from ...
9253 (record_vars): ... here.
9254 Call record_vars_into with current_function_decl.
9256 * gimplify.c (struct gimplify_ctx): Remove fields
9257 combined_pre_p and combined_ctxp. Update users.
9258 (get_formal_tmp_var): Add documentation.
9259 (gimple_boolify): Make extern.
9260 (gimplify_expr_in_ctx): Remove. Update callers.
9261 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9262 will always be a BIND_EXPR.
9263 (gimplify_expr): Handle OMP_RETURN_EXPR.
9264 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9265 (OMP_PARALLEL): Add 3 operands.
9266 (OMP_SECTIONS): Add 1 operand.
9267 (OMP_RETURN_EXPR): Define.
9269 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9270 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9271 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9272 creating a circular free list.
9273 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9275 * tree-flow.h (move_sese_region_to_fn): Declare.
9276 (record_vars_into): Declare.
9277 * tree-cfg.c (make_omp_sections_edges): New.
9278 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9279 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9280 OMP_SECTIONS and OMP_SECTION.
9281 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9282 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9283 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9284 (gather_blocks_in_sese_region): New.
9285 (struct move_stmt_d): Declare.
9287 (move_block_to_fn): New.
9288 (move_sese_region_to_fn): New.
9290 * passes.c (init_optimization_passes): Schedule
9291 pass_expand_omp after pass_init_datastructures.
9293 * tree-ssa-operands.c (get_expr_operands): Handle
9294 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9295 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9297 2006-01-19 Jeff Law <law@redhat.com>
9299 * tree-vrp.c (extract_range_from_assert): Refine the result range
9300 if the variable referenced by the ASSERT_EXPR has a range and
9301 either the tentative result range or the previous range is a
9304 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9306 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9308 2006-01-19 Jan Hubicka <jh@suse.cz>
9310 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9312 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9314 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9315 (expand_compound_operation, expand_field_assignment): Fail if the
9316 bit lengths of an extract operation are out of range.
9317 (make_extraction): Compute wanted_inner_mode based on the position
9318 and length of the extraction. Make it extraction_mode for non-constant
9319 positions, and do not modify offset in that case. When generating a
9320 new MEM, use a mode that can hold the extraction while keeping correct
9321 alignment. Remove code that supported MEMs wrapped by USEs.
9322 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9324 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9326 * config/s390/s390.md ("Y", "y"): New mode attribute.
9327 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9328 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9329 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9330 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9331 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9332 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9333 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9334 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9335 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9336 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9337 "addsi3", "subsi3"): Insn patterns removed.
9338 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9339 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9340 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9341 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9342 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9343 "*sub<mode>3_cconly2"): New insn patterns.
9344 ("addsi3", "subsi3"): New expanders.
9346 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9348 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9349 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9350 existing STMT_VINFO_VECTYPE if available.
9351 (vect_mark_relevant): Add special handling for stmts that are
9352 marked as STMT_VINFO_IN_PATTERN_P.
9353 (vect_analyze_loop): Call vect_pattern_recog.
9354 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9355 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9357 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9358 (vect_recog_func_ptr): New function-pointer type.
9359 * tree-vect-patterns.c: New file.
9360 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9361 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9362 (vect_pattern_recog_1): New functions.
9363 (vect_pattern_recog_funcs): New array of function pointers.
9365 * tree-vectorizer.h (ternary_op): New enum value.
9366 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9367 declaration. Revised documentation. Removed redundant dump prints.
9368 Removed redundant argument. Added support for reduction patterns.
9369 (vectorizable_reduction): Added support for reduction patterns.
9370 (vect_transform_stmt): Added support for patterns.
9372 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9373 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9374 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9375 (expand_widen_pattern_expr): New function.
9376 (init_optabs): Initialize new optabs udot_prod_optab,
9378 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9379 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9380 (expand_widen_pattern_expr): New function declaration.
9381 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9383 * tree-inline.c (estimate_num_insns_1): Added cases for new
9384 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9385 * tree-pretty-print.c (dump_generic_node): Likewise.
9386 (op_prio): Likewise.
9387 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9388 * tree-ssa-operands.c (get_expr_operands): Added case for
9390 * tree-vect-patterns.c (widened_name_p): New function.
9391 (vect_recog_dot_prod_pattern): Added function implementation.
9392 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9393 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9394 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9395 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9397 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9398 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9399 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9400 (init_optabs): Initialize new optabs widen_ssum_optab,
9402 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9403 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9404 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9405 use instead of type of def.
9406 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9407 function implementation.
9408 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9409 widen_ssumv8hi): New.
9411 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9414 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9417 * c-decl.c (add_flexible_array_elts_to_size): New function.
9418 (finish_decl): Use it.
9420 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9422 * diagnostic.h: Include options.h.
9423 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9424 dependancies for diagnostic.h.
9425 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9427 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9429 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9430 (ssa_ro_call_cache_valid): Ditto.
9431 * tree-ssa-alias.c (sort_tags_by_id): New function.
9432 (init_transitive_clobber_worklist): Ditto.
9433 (add_to_worklist): Ditto.
9434 (mark_aliases_call_clobbered): Ditto.
9435 (compute_tag_properties): Ditto.
9436 (set_initial_properties): Ditto.
9437 (compute_call_clobbered): Ditto.
9438 (compute_may_aliases): Call compute_call_clobbered and grouping.
9439 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9440 (compute_flow_insensitive_aliasing): Grouping now happens in our
9442 (setup_pointers_and_addressables): Remove clobbering related code.
9443 (add_may_alias): Ditto.
9444 (replace_may_alias): Ditto.
9445 (get_nmt_for): Ditto.
9446 (create_global_var):
9447 (is_escape_site): Return an escape_type enumeration.
9448 * tree-flow-inline.h (is_call_clobbered): Global var does not
9449 imply call clobbered.
9450 (mark_call_clobbered): Take a reason for marking this. Remove
9451 marking of globalness, and cache invalidation.
9452 (clear_call_clobbered): Remove cache invalidation code.
9453 * tree-dfa.c (dump_variable): If details is on, dump the reason
9455 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9457 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9458 (struct var_ann_d): Ditto.
9459 (enum escape_type): New.
9460 (mark_call_clobbered): Adjust prototype.
9461 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9462 are never call clobbered.
9463 Record reasons for escaping.
9464 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9465 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9466 (ssa_ro_call_cache_valid): Ditto.
9467 (clobbered_v_may_defs): Ditto.
9468 (clobbered_vuses): Ditto.
9469 (ro_call_vuses): Ditto.
9470 (clobber_stats): New.
9471 (init_ssa_operands): Zero out clobber stats.
9472 (fini_ssa_operands): Print out clobber stats.
9473 (get_call_expr_operands): Pass callee fndecl to
9475 (add_call_clobber_ops): Remove use of cache.
9476 Add use of PURE_CONST information.
9477 (add_call_read_ops): Remove use of cache.
9478 Add use of static not_read information.
9480 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9482 Introduce TLS descriptors for i386 and x86_64.
9483 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9484 (TARGET_ANY_GNU_TLS): New macro.
9485 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9486 (struct machine_function): Add tls_descriptor_call_expanded_p.
9487 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9488 (ix86_current_function_calls_tls_descriptor): Likewise.
9489 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9490 (override_options): Introduce gnu2 tls dialect.
9491 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9493 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9495 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9496 (ix86_init_machine_status): Initialize new field.
9497 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9498 (ix86_tls_module_base): New.
9499 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9500 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9501 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9502 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9503 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9504 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9505 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9506 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9507 * config/i386/predicates.md (tls_modbase_operand): New.
9508 (tp_or_register_operand): New.
9510 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9512 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9513 (look_for_address_of): Ditto.
9514 (ipa_init): Walk the function decls.
9515 (static_execute): Don't set readonly on FUNCTION_DECL's.
9517 2006-01-18 Roger Sayle <roger@eyesopen.com>
9519 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9520 for shifts where the source and destination registers are different.
9522 2006-01-18 Paul Brook <paul@codesourcery.com>
9524 Merge from csl-arm-branch.
9525 2005-03-14 Julian Brown <julian@codesourcery.com>
9526 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9527 (aeabi_llsl): Likewise.
9528 (ashrdi3): Likewise.
9529 (aeabi_lasr): Likewise.
9530 (lshrdi3): Likewise.
9531 (aeabi_llsr): Likewise.
9532 2005-03-10 Julian Brown <julian@codesourcery.com>
9533 * config.gcc: Disable shared libgcc for SymbianOS.
9534 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9536 2006-01-18 DJ Delorie <dj@redhat.com>
9538 * c-pragma.c (handle_pragma_diagnostic): New.
9539 (init_pragma): Register it.
9540 * doc/extend.texi: Document it.
9542 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9543 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9544 (diagnostic_context): Add classify_diagnostic[].
9545 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9546 as errors if they're overridden to DK_WARNING.
9547 (diagnostic_initialize): Initialize classify_diagnostic[].
9548 (diagnostic_set_kind_override): New.
9549 (diagnostic_report_diagnostic): Check for kind changes.
9550 * opts.c (common_handle_option): Take lang_mask. Update callers.
9552 * common.opt (Werror=): New.
9553 * doc/invoke.texi: Document -Werror=*
9555 2006-01-18 Jeff Law <law@redhat.com>
9557 * tree-vrp.c (test_for_singularity): Correct test for new
9558 min limit. Use operand_equal_p rather than pointer equality
9559 for testing if new min/max values are equal.
9561 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9562 using range information until after propagation and folding.
9564 2006-01-18 Richard Henderson <rth@redhat.com>
9565 Aldy Hernandez <aldyh@redhat.com>
9566 Jakub Jelinek <jakub@redhat.com>
9567 Diego Novillo <dnovillo@redhat.com>
9569 * omp-low.c: New file.
9570 * c-omp.c: New file.
9572 2006-01-18 Richard Henderson <rth@redhat.com>
9573 Jakub Jelinek <jakub@redhat.com>
9574 Diego Novillo <dnovillo@redhat.com>
9576 * doc/invoke.texi: Document -fopenmp.
9577 * tree-dump.h (debug_function): Declare.
9578 * hooks.c (hook_bool_tree_bool_false): New function.
9579 (hook_tree_tree_null): Remove.
9580 (hook_tree_tree_tree_null): New.
9581 * hooks.h: Update to match.
9582 * tree-pretty-print.c (debug_tree_chain): New.
9583 (print_generic_expr): Handle TDF_CHAIN.
9584 (dump_generic_node): Handle BLOCK.
9585 Do not abort with incomplete SWITCH_EXPRs.
9586 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9587 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9588 print space after directive name.
9589 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9590 Handle OMP_MASTER and OMP_ORDERED.
9591 Handle printing of OMP_BODY just in one place, goto
9592 dump_omp_body in the rest of OMP_* nodes that have
9594 Don't handle clause nodes here. Update omp statements to
9595 use dump_omp_clauses.
9596 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9597 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9598 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9599 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9600 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9601 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9602 Adjust output for GOMP_PARALLEL.
9603 (dump_omp_clauses): New.
9604 (print_declaration): Dump DECL_VALUE_EXPR.
9605 (op_symbol_1): Split out of op_symbol.
9606 (dumping_stmts): Remove. Update all users.
9607 * cgraph.c (cgraph_analyze_queue): New.
9608 (cgraph_add_new_function): New.
9609 * cgraph.h (cgraph_analyze_queue): Declare.
9610 (cgraph_add_new_function): Declare.
9611 (cgraph_lower_function): Remove.
9612 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9613 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9614 and TYPE_P nodes in its default clause.
9615 (empty_body_p): New.
9616 (tree_range_check_failed): New.
9618 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9619 OMP_CLAUSE_REDUCTION_MERGE,
9620 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9621 OMP_CLAUSE_PRIVATE_DEBUG,
9622 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9623 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9624 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9625 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9626 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9627 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9628 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9629 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9630 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9631 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9632 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9633 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9634 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9635 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9636 (TREE_RANGE_CHECK): New.
9637 (empty_body_p): Declare.
9638 (enum omp_clause_default_kind): New.
9639 (build_string_literal): Declare.
9640 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9641 (build5_stat, build5): Declare.
9642 * tree-pass.h (TDF_CHAIN): Define.
9643 * tree-pass.h (PROP_gimple_lomp): Define.
9644 (pass_lower_omp): Declare.
9645 * diagnostic.h (debug_tree_chain): Declare.
9646 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9648 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9649 * builtins.c (build_string_literal): Make extern.
9650 * gcc.c (include_spec_function): New.
9651 (static_spec_functions): Add it.
9652 (main): Move load of libgomp.spec ...
9653 (LINK_COMMAND_SPEC): ... here.
9654 (link_gomp_spec): New.
9655 (static_specs): Include it.
9656 (LINK_COMMAND_SPEC): Add link_gomp.
9657 (GOMP_SELF_SPECS): New.
9658 (driver_self_specs): Include it.
9659 (switch_matches): Don't mark inline.
9660 (main): Load libgomp.spec.
9661 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9662 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9663 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9664 * tree-gimple.h (enum omp_parallel): Declare.
9665 (determine_parallel_type): Declare.
9666 (omp_firstprivatize_variable): Declare.
9667 (omp_reduction_init): Declare.
9668 (diagnose_omp_structured_block_errors): Declare.
9669 (struct walk_stmt_info): Add want_return_expr.
9670 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9671 (find_omp_clause): Declare.
9672 (insert_field_into_struct): Declare.
9673 (struct walk_stmt_info): Move from tree-nested.c
9674 (walk_stmts): Declare.
9675 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9677 * cgraphunit.c (cgraph_lower_function): Make static.
9678 (cgraph_finalize_pending_functions): New.
9679 (cgraph_finalize_function): Call it.
9680 (cgraph_finalize_compilation_unit): Likewise.
9681 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9682 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9683 (BT_FN_UINT_UINT): New.
9684 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9685 DEF_FUNCTION_TYPE_VAR_4): Document.
9686 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9687 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9688 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9689 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9690 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9691 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9692 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9693 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9694 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9695 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9696 into separate files.
9697 (DEF_GOMP_BUILTIN): New.
9698 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9699 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9700 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9701 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9702 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9703 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9704 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9705 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9706 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9707 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9708 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9709 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9710 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9711 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9712 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9713 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9714 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9715 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9716 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9717 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9718 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9719 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9720 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9721 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9722 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9723 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9724 * sync-builtins.def: New file, moved from builtins.def.
9725 * omp-builtins.def: New file, moved from builtins.def.
9726 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9727 * gimple-low.c (lower_function_body): Clear data.
9728 (lower_stmt): Do not handle COMPOUND_EXPR.
9729 Remove call to print_node_brief.
9730 * c-tree.h (c_finish_omp_clauses): New prototype.
9731 (C_DECL_THREADPRIVATE_P): Define.
9732 (lookup_name_no_remap, c_omp_remap_private): Remove
9733 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9734 (check_for_loop_decls): Update decl.
9735 (lookup_name_no_remap, c_omp_remap_private): Declare.
9736 (build_indirect_ref, build_modify_expr, pushdecl,
9737 pushdecl_top_level): Move to c-common.h.
9738 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9739 before the switch, but just in the 2 places that need it.
9740 * c-decl.c (diagnose_mismatched_decls): Do not check for
9741 mismatched thread-local attributes when OLDDECL is marked
9742 threadprivate and NEWDECL has no thread-local attributes.
9743 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9744 (c_gimple_diagnostics_recursively): Rename from
9745 c_warn_unused_result_recursively. Invoke
9746 diagnose_omp_structured_block_errors.
9747 (check_for_loop_decls): Return a singular decl found.
9748 * langhooks.c (lhd_omp_predetermined_sharing): Return
9749 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9750 (lhd_omp_firstprivatize_type_sizes): New.
9751 (lhd_omp_assignment): New.
9752 (lhd_omp_predetermined_sharing): New.
9753 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9754 (struct lang_hooks_for_types): Add
9755 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9756 omp_predetermined_sharing, omp_disregard_value_expr,
9757 omp_private_debug_clause, omp_clause_default_ctor,
9758 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9759 (c_finish_omp_clauses): New.
9760 (c_finish_bc_stmt): Diagnose break within omp for.
9761 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9762 (build_unary_op): Return error_mark after reporting
9764 (build_modify_expr): Likewise.
9765 * gimplify.c: Include optabs.h and pointer-set.h.
9766 (enum gimplify_omp_var_data): Declare.
9767 (struct gimplify_omp_ctx): Declare.
9768 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9770 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9771 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9772 (splay_tree_compare_decl_uid): New.
9773 (new_omp_context): New.
9774 (delete_omp_context): New.
9775 (gimple_add_tmp_var): Call omp_add_variable.
9776 (gimplify_bind_expr): Likewise.
9777 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9778 true, disregard DECL_VALUE_EXPR on the decl if any.
9779 (gimplify_expr_in_ctx): New.
9780 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9781 omp_add_variable, omp_notice_variable, omp_is_private
9782 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9783 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9784 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9785 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9786 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9787 gimplify_omp_atomic): New.
9788 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9789 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9790 OMP_CRITICAL and OMP_ATOMIC.
9791 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9792 * c-pragma.h (enum pragma_kind): Add
9793 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9794 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9795 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9796 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9797 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9798 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9799 PRAGMA_OMP_THREADPRIVATE.
9800 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9801 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9802 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9803 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9804 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9805 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9806 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9807 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9808 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9809 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9810 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9811 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9812 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9814 (struct nesting_info): Add field_map,
9815 suppress_expansion, debug_var_chain.
9816 (create_nesting_tree): Initialize them.
9817 (lookup_field_for_decl): Use field_map.
9818 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9819 (convert_local_omp_clauses): New.
9820 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9821 (walk_body): Split out of walk_function.
9822 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9823 (convert_nonlocal_reference): Handle omp statements.
9824 (convert_local_reference): Likewise.
9825 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9826 (unnest_nesting_tree): New.
9827 (lower_nested_functions): Call it.
9828 (insert_field_into_struct): Make extern.
9829 (struct walk_stmt_info): Move to tree-gimple.h.
9830 (walk_stmts): Make extern.
9831 * omp-builtins.def: New file.
9832 * tree-iterator.c (expr_only): Clarify comment.
9833 * c-common.h (pushdecl_top_level, pushdecl,
9834 build_modify_expr, build_indirect_ref,
9835 c_finish_omp_master, c_finish_omp_critical,
9836 c_finish_omp_ordered, c_finish_omp_barrier,
9837 c_finish_omp_atomic, c_finish_omp_flush,
9838 c_finish_omp_for, c_split_parallel_clauses,
9839 omp_clause_default_kind, c_omp_sharing_predetermined,
9840 c_omp_remap_decl): Declare.
9841 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9842 (OBJS-common): Add omp-low.o.
9843 (c-omp.o, omp-low.o): Add.
9844 (gimplify.o): Add dependency on $(OPTABS_H).
9845 (GTFILES): Add omp-low.c.
9846 (gt-stringpool.h): Add.
9847 * tree-cfg.c (set_bb_for_stmt): Do not update the
9848 block-to-labels map if we are currently expanding to RTL.
9849 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9851 Handle IDENTIFIER_NODE.
9852 (tree_verify_flow_info): Do not ICE when emitting error
9853 messages about invalid labels.
9854 (dump_function_to_file): Reset CFUN before emitting the body
9856 (debug_function): New.
9857 * passes.c (init_optimization_passes): Schedule
9859 * langhooks-def.h (lhd_omp_predetermined_sharing,
9860 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9862 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9863 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9864 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9865 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9866 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9867 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9868 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9869 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9870 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9871 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9872 (LANG_HOOK_DECLS): Use them.
9874 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9875 Richard Henderson <rth@redhat.com>
9876 Jakub Jelinek <jakub@redhat.com>
9877 Diego Novillo <dnovillo@redhat.com>
9879 * c-parser.c (pragma_omp_clause): Define.
9880 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9881 (c_parser_compound_statement): Likewise.
9882 (c_parser_statement): Likewise.
9883 (c_parser_pragma): Handle omp pragmas.
9884 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9885 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9886 (c_parser_omp_clause_name, check_no_duplicate_clause,
9887 c_parser_omp_variable_list,
9888 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9889 c_parser_omp_clause_copyprivate,
9890 c_parser_omp_clause_default,
9891 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9892 c_parser_omp_clause_lastprivate,
9893 c_parser_omp_clause_nowait,
9894 c_parser_omp_clause_num_threads,
9895 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9896 c_parser_omp_clause_reduction,
9897 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9898 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9899 c_parser_omp_atomic, c_parser_omp_barrier,
9900 c_parser_omp_critical, c_parser_omp_flush,
9901 c_parser_omp_for_loop, c_parser_omp_for,
9902 c_parser_omp_master, c_parser_omp_ordered,
9903 c_parser_omp_sections_scope, c_parser_omp_sections,
9904 c_parser_omp_parallel, c_parser_omp_single,
9905 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9906 * c-pragma.c (init_pragma): Do omp pragma registration here.
9907 * c.opt (fopenmp): New flag.
9909 2006-01-18 Eric Christopher <echristo@apple.com>
9911 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9912 * config/darwin.h (GOMP_SELF_SPECS): Define.
9914 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9916 * rtl.h: Remove the prototype for reg_alloc.
9918 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9921 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9922 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9923 sjlj and dwarf2 exception handling.
9924 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9925 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9926 * pa/pa.c (function_value): Treat complex and vector types as
9928 (function_arg): Likewise. Only pass scalar floats in the floating
9929 point argument registers.
9930 * pa/t-slibgcc-dwarf-ver: New file.
9931 * pa/t-slibgcc-sjlj-ver: New file.
9932 * pa/t-slibgcc-elf-ver: Delete file.
9934 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9936 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9937 unlikely_test_section_p test.
9939 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9941 * mode-switching.c (optimize_mode_switching): Make it static.
9942 * basic-block.h: Remove the prototype for
9943 optimize_mode_switching.
9945 * modulo-sched.c (sms_schedule): Make it static.
9946 * rtl.h: Remove the prototype for sms_schedule.
9948 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9949 * rtl.h: Remove the prototype for gcse_after_reload_main.
9951 * reg-stack.c (reg_to_stack): Make it static.
9952 * rtl.h: Remove the prototype for reg_to_stack.
9954 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9956 * rtl.h: Remove the prototypes for regrename_optimize and
9957 copyprop_hardreg_forward.
9959 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9961 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9962 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9963 Test against the appropriate null constant for the mode.
9964 If 'fixup_overlap' is true, swap the operands if they overlap.
9965 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9966 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9967 alpha_split_tmode_pair and adjust for above change.
9968 * config/alpha/alpha.md (movtf_internal): Adjust call to
9969 alpha_split_tfmode_pair and rely on it to swap the operands.
9970 (movti_internal): New insn and post-reload splitter.
9971 (movti): New expander.
9973 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9975 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9978 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9980 * rtlanal.c (global_reg_mentioned_p_1,
9981 global_reg_mentioned_p): Remove.
9982 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9984 * flow.c (initialize_uninitialized_subregs): Make it static.
9985 * rtl.h: Remove the prototype for
9986 initialize_uninitialized_subregs.
9988 * function.c (instantiate_virtual_regs): Make it static.
9989 * function.h: Remove the prototype for
9990 instantiate_virtual_regs.
9992 * regmove.c (regmove_optimize, combine_stack_adjustments):
9994 * rtl.h: Remove the prototypes for regmove_optimize and
9995 combine_stack_adjustments.
9997 2006-01-17 Roger Sayle <roger@eyesopen.com>
9999 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10000 (size_cost): Encode costs in bytes so that a reg-reg addition is
10001 equivalent to COSTS_N_INSNS(1).
10002 (override_options): Use the size_cost.branch_cost as the default
10003 ix86_branch_cost when optimizing for size.
10005 2006-01-18 Ben Elliston <bje@au.ibm.com>
10007 * Makefile.in (D32PBIT_FUNCS): New.
10008 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10009 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10010 D64PBIT_FUNCS and D128PBIT_FUNCS.
10011 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10012 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10014 (decnumber_dep): Define.
10015 * doc/libgcc.texi (Decimal float library routines): New node.
10016 * config/dfp-bit.h, config/dfp-bit.c: New files.
10018 2006-01-18 Ben Elliston <bje@au.ibm.com>
10020 * expr.c (emit_move_change_mode): Always adjust addresses, not
10021 just during reload. Copy replacements only during reload.
10022 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10023 emit_move_via_integer.
10025 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10027 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10028 instead of $(srcdir) and ${srcdir}.
10030 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10033 PR middle-end/11135
10034 * arm.h (struct machine_function): Add pic_reg.
10035 * arm.c (arm_pic_register): Make unsigned.
10036 (arm_override_options): Only set arm_pic_register if
10037 TARGET_SINGLE_PIC_BASE.
10038 (use_return_insn): Only test for a pic register if it is fixed.
10039 (arm_compute_save_reg0_reg12_mask): Likewise.
10040 (thumb_compute_save_reg_mask): Likewise.
10041 (legitimate_pic_operand): Factor out some known invariants.
10042 (legitimize_pic_address): If we don't have a fixed pic register,
10043 then set up a pseudo in the function entry sequence. Handle the
10044 pic base being in a pseudo.
10045 (arm_load_pic_register): Handle the pic register being in a pseudo.
10046 (arm_expand_prologue): Only set up the pic register if it is fixed.
10047 (thumb_expand_prologue): Likewise.
10048 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10049 (pic_load_addr_based_insn): Likewise.
10050 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10053 2006-01-18 Ben Elliston <bje@au.ibm.com>
10055 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10056 decimal float modes for all floating point registers.
10058 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10059 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10061 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10064 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10065 even when the pointer is not NULL.
10067 2006-01-16 Ian Lance Taylor <ian@airs.com>
10069 * common.opt (ftoplevel-reorder): New option.
10070 * cgraph.c (cgraph_asm_nodes): New global variable.
10071 (cgraph_asm_last_node): New static variable.
10072 (cgraph_order): New global variable.
10073 (cgraph_create_node): Set new order field.
10074 (cgraph_varpool_node): Likewise.
10075 (decide_is_variable_needed): Return true if not
10076 flag_toplevel_reorder.
10077 (cgraph_add_asm_node): New function.
10078 * cgraph.h (struct cgraph_node): Add order field.
10079 (struct cgraph_varpool_node): Add order field.
10080 (struct cgraph_asm_node): Define.
10081 (cgraph_asm_nodes, cgraph_order): Declare.
10082 (cgraph_add_asm_node): Declare.
10083 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10085 (cgraph_varpool_assemble_pending_decls): Call it.
10086 (cgraph_output_pending_asms): New static function.
10087 (cgraph_finalize_compilation_unit): Call it.
10088 (struct cgraph_order_sort): Define.
10089 (cgraph_output_in_order): New static function.
10090 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10091 !flag_toplevel_reorder case.
10092 * c-parser.c: Include "cgraph.h".
10093 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10095 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10096 than -fno-unit-at-a-time.
10097 * doc/invoke.texi (Option Summary): Mention
10098 -fno-toplevel-reorder.
10099 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10100 -funit-at-a-time documentation.
10102 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10103 Kazu Hirata <kazu@codesourcery.com>
10105 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10107 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10109 * Makefile.in (FUNCTION_H): New. Use it instead of
10110 function.h throughout the file.
10111 * function.h: Include tree.h.
10113 2006-01-17 Ben Elliston <bje@au.ibm.com>
10115 * recog.c: Separate some functions with whitespace.
10117 2006-01-16 Richard Henderson <rth@redhat.com>
10119 Merge from gomp branch:
10120 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10121 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10122 and rename from struct inline_data. Rename callee* to dst*;
10123 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10124 transform_new_cfg, transform_return_to_modify, and
10125 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10127 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10128 (copy_decl_for_dup): Remove.
10129 * tree-inline.c (struct inline_data): Move to header.
10130 (insert_decl_map): Export.
10131 (remap_decl): Update for member name changes. Use copy_decl hook.
10132 Allow for replacement to be a non-decl. Remove dead code.
10133 (remap_type_1): Check for existing mapping.
10134 (remap_type): Export.
10135 (remap_decls): Update for member name changes.
10136 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10137 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10138 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10139 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10140 (tree_function_versioning, build_duplicate_type): Likewise.
10141 (copy_body_r): Likewise. Export.
10142 (copy_decl_for_dup): Split into ...
10143 (copy_decl_for_dup_finish, copy_decl_to_var,
10144 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10145 (replace_ref_tree, inlining_p): Remove.
10147 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10149 * ifcvt.c (if_convert): Make it static.
10150 * rtl.h: Remove the prototype for if_convert.
10152 * local-alloc.c (local_alloc): Make it static.
10153 * rtl.h: Remove the prototype for local_alloc.
10155 * loop.c (loop_optimize): Make it static.
10156 * cfgloop.h: Remove the prototype for loop_optimize.
10159 2006-01-16 DJ Delorie <dj@redhat.com>
10161 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10164 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10166 * pa.md: Disparage copies between general and floating-point registers
10167 in 32-bit move patterns.
10169 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10172 * Makefile.in (check-%): Depend on site.exp instead of
10173 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10176 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10178 * global.c (global_alloc): Make it static.
10179 * rtl.h: Remove the prototype for global_alloc.
10181 2006-01-16 Richard Guenther <rguenther@suse.de>
10183 * tree-ssa-alias.c (struct used_part): Add write_only field.
10184 (get_or_create_used_part_for): Initialize it to true.
10185 (create_overlap_variables_for): Don't create structure variables
10186 for structures that only are written to.
10187 (find_used_portions): Handle MODIFY_EXPR to track whether a
10188 structure is only written to.
10190 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10192 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10194 * basic-block.h: Remove the prototype for
10195 partition_hot_cold_basic_blocks.
10197 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10199 * cppspec.c (lang_specific_spec_functions): Remove.
10200 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10201 * gcc.h (lang_specific_spec_functions): Remove.
10202 * gccspec.c (lang_specific_spec_functions): Remove.
10204 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10206 * combine.c (record_value_for_reg): Invalidate registers
10208 (record_dead_and_set_regs_1): Likewise, by passing them to
10209 record_value_for_reg.
10210 (record_dead_and_set_regs): Invalidate stores made by a
10211 call. We do not combine across a call, but we still
10212 relied on equivalences.
10214 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10216 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10217 vrp_int_const_binop returning non-constant nodes.
10219 2006-01-16 Paul Brook <paul@codesourcery.com>
10221 * config/m68k/m68k.c (output_move_const_into_data_reg):
10222 Output correct mnemonic for mvz and mvs.
10224 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10226 * rtl-factoring.c: Add sequence abstraction algorithm.
10227 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10228 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10230 (block_has_preserve_label): New function.
10231 * common.opt: Register new pass.
10232 * Makefile.in: Ditto.
10234 * timevar.def: Ditto.
10235 * tree-pass.h: Ditto.
10236 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10237 * rtl.h (make_jump_insn_raw): Add forward decl.
10238 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10240 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10241 Roger Sayle <roger@eyesopen.com>
10243 * fold-const.c (fold_minmax): New static function.
10244 (fold_binary) <MIN_EXPR>: Call it.
10245 <MAX_EXPR>: Likewise.
10246 * stor-layout.c (place_field): Use DECL_SIZE consistently
10247 in the computation of the new record size.
10249 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10251 * cse.c (cse_condition_code_reg): Make it static.
10252 * rtl.h: Remove the prototype for cse_condition_code_reg.
10254 * combine.c (combine_instructions): Make it static.
10255 * rtl.h: Remove the prototype for combine_instructions.
10257 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10260 * tree.c (get_file_function_name_long): Concatenate the first global
10261 object name with a string derived from the input filename of the object
10264 2006-01-16 Ben Elliston <bje@au.ibm.com>
10266 * config/i386/winnt-stubs.c: Update FSF address.
10267 * config/xtensa/ieee754-df.S: Ditto.
10268 * config/xtensa/ieee754-sf.S: Ditto.
10270 2006-01-14 Ian Lance Taylor <ian@airs.com>
10272 * ifcvt.c (noce_init_if_info): New static function, broken out of
10273 noce_process_if_block.
10274 (noce_process_if_block): Call noce_init_if_info.
10275 (check_cond_move_block): New static function.
10276 (cond_move_process_if_block): New static function.
10277 (process_if_block): Call cond_move_process_if_block.
10279 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10281 * cselib.c (hash_table): Rename to cselib_hash_table.
10282 (cselib_clear_table, discard_useless_values,
10283 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10284 cselib_init, cselib_finish): Adjust uses of hash_table.
10286 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10288 PR tree-optimization/25485
10289 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10290 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10291 is known to be false and true, respectively.
10293 2006-01-14 Richard Guenther <rguenther@suse.de>
10295 PR tree-optimization/22548
10296 PR tree-optimization/22555
10297 PR tree-optimization/22501
10298 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10299 * params.def (salias-max-array-elements): New parameter.
10300 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10301 * doc/invoke.texi (salias-max-array-elements): Document.
10302 * tree-flow-inline.h (var_can_have_subvars): We also handle
10304 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10306 * tree-ssa-structalias.c (params.h): Include.
10307 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10308 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10309 (get_constraint_for): For ADDR_EXPR operating on something
10310 containing an ARRAY_REF, add all subvars to the solution.
10311 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10312 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10313 for creating MUST_DEFs.
10314 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10316 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10318 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10320 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10321 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10322 number_of_iterations_le): New functions.
10323 (number_of_iterations_special): Removed.
10324 (number_of_iterations_exit): Do not use number_of_iterations_special.
10325 * tree.c (unsigned_type_for): Always return integer type.
10327 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10328 Richard Guenther <rguenther@suse.de>
10330 PR rtl-optimization/24257
10331 * gcse.c (find_moveable_store): Only consider a store movable
10332 when the SET_SRC of the insn can be assigned to a register.
10334 2006-01-14 Ian Lance Taylor <ian@airs.com>
10336 * tree.c (tree_not_class_check_failed): New function.
10337 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10338 (tree_not_class_check_failed): Declare.
10340 2006-01-13 Ian Lance Taylor <ian@airs.com>
10342 * reload1.c (do_output_reload): Add assertion rejecting a
10345 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10347 * combine.c (struct reg_stat): Add new fields truncation_label and
10349 (record_value_for_reg): Reset truncated_to_mode.
10350 (record_truncated_value): New function.
10351 (check_promoted_subreg): Call it. Rename to check_conversions.
10352 (combine_instructions): Rename check_promoted_subreg to
10354 (reg_truncated_to_mode): New function.
10355 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10356 (gen_lowpart_or_truncate): New function.
10357 (force_to_mode): Use it instead of gen_lowpart.
10359 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10361 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10362 VAR is a tag, not its type tag.
10364 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10366 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10367 alternatives to match style of other entries.
10368 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10370 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10372 PR tree-optimization/25771
10373 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10376 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10379 * tree-inline.c (declare_return_variable): If the return variable
10380 was marked as a non gimple complex, set the return slot variable
10381 to be a non gimple comple variable.
10383 2006-01-13 Richard Guenther <rguenther@suse.de>
10385 * builtins.c (expand_builtin_sincos): New function.
10386 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10388 (expand_builtin): Expand sincos using expand_builtin_sincos.
10390 2006-01-12 DJ Delorie <dj@redhat.com>
10392 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10393 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10394 so that constant shifts can be split.
10395 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10396 (m32c_valid_pointer_mode): Make static.
10397 (shift_gen_func_for): New.
10398 (m32c_prepare_shift): Use it. Split large const shifts into
10400 * config/m32c/predicates.md (shiftcount_operand): Allow more
10402 (longshiftcount_operand): New.
10403 * doc/md.texi (Machine Constraints): Document In6.
10405 2006-01-13 Ben Elliston <bje@au.ibm.com>
10407 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10408 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10411 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10413 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10414 to try to avoid clobbering pieces of structures when we know
10415 something about the whole structure.
10416 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10418 2006-01-13 Ben Elliston <bje@au.ibm.com>
10420 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10421 return in memory, as this is no limitation is no longer present.
10423 2006-01-12 DJ Delorie <dj@redhat.com>
10425 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10426 mova with fb, and for fb+0 -> An.
10428 * config/m32c/mov.md (peephole2): Fix enabling logic.
10430 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10431 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10432 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10433 FINI_ARRAY_SECTION_ASM_OP): Define.
10435 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10437 (m32c_legitimize_reload_address): New logic to reload FB to An.
10438 (m32c_output_reg_push): Add newline.
10439 (m32c_output_reg_pop): Likewise.
10441 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10443 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10445 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10447 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10449 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10451 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10454 2006-01-11 Ben Elliston <bje@au.ibm.com>
10456 * rtlanal.c (find_reg_note): Assert insn is not null.
10458 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10460 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10463 2006-01-11 Jeff Law <law@redhat.com>
10465 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10467 (mark_threaded_blocks, register_jump_thread): New functions.
10468 (thread_through_all_blocks): Remove unwanted argument. No
10469 longer rely on e->aux to communicate thread target info.
10470 Call mark_threaded_blocks. Release the threaded_blocks
10471 bitmap and threaded_edges vector when complete.
10472 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10473 (threaded_blocks): Remove.
10474 (tree_ssa_dominator_optimize): Remove initialization and
10475 finalization of threaded_blocks. Simplify call to
10476 thread_through_all_blocks.
10477 (thread_across_edge): Call register_jump_thread rather than
10478 storing thread information into e->aux.
10479 (free_all_edge_infos): Simplify now that e->aux is no longer
10480 used to communicate with thread_through_all_blocks.
10481 * tree-flow.h (thread_through_all_blocks): Update prototype.
10482 (register_jump_thread): Prototype.
10484 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10486 * df-core.c (df_compact_blocks, df_bb_replace): Use
10487 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10489 2006-01-11 Richard Guenther <rguenther@suse.de>
10491 PR tree-optimization/25734
10492 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10493 stop propagation after successful propagation to the LHS.
10495 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10497 * basic-block.h (control_flow_graph): Change the type of
10498 x_basic_block_info to VEC(basic_block,gc) *.
10499 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10501 (SET_BASIC_BLOCK): New.
10502 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10503 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10504 * cfgbuild.c (find_basic_blocks): Likewise.
10505 * cfglayout.c (fixup_reorder_chain): Likewise.
10506 * cfgrtl.c (create_basic_block_structure,
10507 rtl_create_basic_block): Likewise.
10508 * ifcvt.c (find_if_case_1): Likewise.
10509 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10512 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10514 * Makefile.in: Removed rotted odf.c entry.
10516 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10519 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10520 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10521 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10522 output pattern modifier, not %e.
10523 * config/cris/cris.c (cris_op_str): Update comment about pattern
10525 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10526 before falling through into...
10527 <case 'E'>: Redefined from old 'e' case.
10529 2006-01-11 Jan Hubicka <jh@suse.cz>
10532 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10534 2006-01-11 Jan Hubicka <jh@suse.cz>
10536 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10537 * i386.c (x86_decompose_lea): Kill.
10538 (ix86_rtx_costs): Kill.
10540 2006-01-11 Jan Hubicka <jh@suse.cz>
10542 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10543 * cgraph.h (cgraph_node): Add inline_decl.
10544 (cgraph_insert_node_to_hashtable): Declare.
10545 (save_inline_function_body): Declare.
10546 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10548 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10549 (cgraph_function_versioning): Update call of tree_function_versioning.
10550 (save_inline_function_body): New function.
10551 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10552 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10553 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10554 (cgraph_default_inline_p): Likewise.
10555 (cgraph_decide_inlining_incrementally): Likewise.
10556 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10557 (copy_bb): Kill saving; do updating of clones.
10558 (copy_cfg_body): Kill saving.
10559 (initialize_inlined-parameters): Likewise.
10560 (expand_call_inline): Likewise.
10562 (tree_function_versioning): New parameter "update_clones".
10563 (inlining_p): Kill saving.
10564 * tree-inline.h (tree_function_versioning): Update prototype.
10565 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10568 2006-01-11 Ian Lance Taylor <ian@airs.com>
10570 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10571 Allow undoing set of machine mode.
10572 (do_SUBST): Use enums instead of is_int.
10573 (do_SUBST_MODE): New function.
10574 (SUBST_MODE): New macro.
10575 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10576 reg and trying to replace reg_regno_rtx with a new register.
10577 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10578 (simplify_set): Use SUBST_MODE.
10579 (distribute_notes): Remove code that tried to update reg notes
10580 for regno_reg_rtx changes.
10582 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10584 PR tree-optimization/23109
10585 PR tree-optimization/23948
10586 PR tree-optimization/24123
10588 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10589 * tree-cfg.c (single_noncomplex_succ): New.
10590 * tree-flow.h (single_noncomplex_succ): Declare it.
10591 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10592 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10593 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10594 insert_bb, register_division_in, insert_reciprocals,
10595 replace_reciprocal, free_bb): New.
10596 (execute_cse_reciprocals_1): Rewritten.
10597 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10598 Do not commit any edge insertion. Always compute dominators and
10599 create the allocation pool.
10600 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10601 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10602 * targhooks.c (default_min_divistions_for_recip_mul): New.
10603 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10604 * passes.c (init_optimization_passes): Run recip after tree loop
10606 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10608 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10609 Kenneth Zadeck <zadeck@naturalbridge.com>
10611 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10612 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10613 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10614 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10615 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10616 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10617 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10618 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10619 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10620 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10621 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10622 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10623 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10624 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10625 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10626 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10627 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10628 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10629 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10630 DF_SCAN_POST_ALLOC): New macros.
10631 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10632 df_free_bb_function, df_local_compute_function, df_init_function,
10633 df_dataflow_function, df_confluence_function_0,
10634 df_confluence_function_n, df_transfer_function,
10635 df_finalizer_function, df_free_function, df_dump_problem_function,
10636 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10637 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10638 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10639 df_urec_bb_info, ) New types.
10640 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10642 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10643 df_analyze_simple_change_some_blocks,
10644 df_analyze_simple_change_one_block, df_compact_blocks,
10645 df_bb_replace, df_bb_regno_last_use_find,
10646 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10647 df_insn_regno_def_p, df_find_def, df_find_use,
10648 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10649 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10650 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10651 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10652 debug_df_chain, df_get_dependent_problem, df_chain_create,
10653 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10654 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10655 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10656 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10657 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10658 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10659 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10660 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10661 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10662 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10663 df_reorganize_refs, df_set_state, df_hard_reg_init,
10664 df_read_modify_subreg_p) New public functions.
10665 * df-core.c: The core dataflow solver and glue routines for rtl
10667 (df_init, df_add_problem, df_set_blocks, df_finish,
10668 df_hybrid_search_forward, df_hybrid_search_backward,
10669 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10670 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10671 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10672 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10673 df_reg_defined, df_find_use, df_reg_used, df_dump,
10674 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10675 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10676 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10677 debug_df_useno, reset_df_after_reload): New functions.
10678 * df-scan.c: The scanning fuctions, once in df.c, completely
10679 rewritten so that they now fully model the functionality of
10680 register usage at the backend.
10681 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10682 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10683 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10684 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10685 df_get_artificial_defs, df_get_artificial_uses,
10686 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10687 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10688 df_refs_delete, df_reorganize_refs, df_set_state,
10689 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10690 df_def_record_1, df_defs_record, df_uses_record,
10691 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10692 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10693 df_record_exit_block_uses, df_hard_reg_init): New functions.
10695 * df-problems.c: Seven concrete dataflow problems that use the
10696 scanning in df-scan.c and are solved by the engine in df-core.c.
10697 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10698 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10699 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10700 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10701 df_ru_free_bb_info, df_ru_alloc,
10702 df_ru_bb_local_compute_process_def,
10703 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10704 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10705 df_ru_transfer_function, df_ru_free, df_ru_dump,
10706 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10707 df_rd_free_bb_info, df_rd_alloc,
10708 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10709 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10710 df_rd_transfer_function, df_rd_free, df_rd_dump,
10711 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10712 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10713 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10714 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10715 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10716 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10717 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10718 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10719 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10720 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10721 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10722 df_urec_mark_reg_use_for_earlyclobber,
10723 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10724 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10725 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10726 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10727 df_chain_create_bb_process_use, df_chain_create_bb,
10728 df_chain_finalize, df_chain_free, df_chains_dump,
10729 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10730 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10731 df_reg_lifetime): New functions.
10732 * df.c: Deleted file.
10733 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10734 consistent with new df api.
10735 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10736 rest_of_handle_sms): Ditto.
10737 * web.c (unionfind_union, union_defs, entry_register, web_main):
10739 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10740 invariant_expr_equal_p, find_defs, check_dependencies,
10741 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10742 free_inv_motion_data, move_loop_invariants): Ditto.
10743 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10744 Update dependencies.
10745 (odf.c): Added defective entry that was deleted later in day.
10746 * sched-deps.c (sched_analyze_1): Ditto.
10748 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10750 * tree-ssa-operands.c (get_expr_operands): Record addressable
10751 variables directly. Do not call add_stmt_operands for CONST_DECLs
10753 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10754 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10756 2006-01-11 Ben Elliston <bje@au.ibm.com>
10758 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10759 function returns true in the positive case.
10761 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10764 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10765 for SI, DI, SF and DF modes. Add alternatives to copy between
10766 general and floating point registers to the 32-bit patterns.
10767 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10768 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10769 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10770 generating 64-bit code.
10771 * config/pa/pa.c (output_move_double): Handle copies between general
10772 and floating registers.
10774 2006-01-10 Stuart Hastings <stuart@apple.com>
10776 * config/i386/i386.md (set_got): Update.
10777 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10778 (builtin_setjmp_receiver): Mach-O support.
10779 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10780 (GOT_SYMBOL_NAME): Define.
10781 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10782 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10783 * config/i386/i386.c (override_options): Revise for Darwin.
10784 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10785 support. (darwin_x86_file_end): New. (output_set_got): Add label
10786 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10787 * config/i386/i386-protos.h (output_set_got): Likewise.
10788 * config/darwin.c (machopic_legitimize_pic_address): Update
10791 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10793 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10794 when MODE isn't BLKmode.
10796 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10798 PR rtl-optimization/25367
10799 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10801 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10804 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10805 for a negative bound.
10807 2006-01-10 Richard Guenther <rguenther@suse.de>
10809 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10810 Never override with anything constraint.
10812 2006-01-10 Jan Beulich <jbeulich@novell.com>
10814 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10815 256 bits when optimize_size.
10817 2006-01-10 Jan Beulich <jbeulich@novell.com>
10819 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10821 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10822 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10825 2006-01-10 Ben Elliston <bje@au.ibm.com>
10827 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10829 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10830 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10831 (USE_FP_FOR_ARG): Reject decimal float modes.
10832 (function_arg_advance): Likewise.
10833 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10834 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10835 point types in AltiVec vectors.
10836 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10837 (rs6000_libcall_value): Likewise.
10839 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10841 * config/xtensa/ieee754-df.S: New file.
10842 * config/xtensa/ieee754-sf.S: New file.
10843 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10844 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10845 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10847 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10849 * config/sh/predicates.md (binary_float_operator,
10850 binary_logical_operator, commutative_float_operator,
10851 equality_comparison_operator, greater_comparison_operator,
10852 less_comparison_operator, logical_operator,
10853 noncommutative_float_operator, shift_operator,
10854 symbol_ref_operand, unary_float_operator): Remove redundant
10857 2006-01-09 Jeff Law <law@redhat.com>
10859 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10860 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10861 now unused arguments. Callers updated.
10862 (eliminate_redundant_computations): Remove now unused arguments,
10864 (local_fold): Remove, no longer used.
10865 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10867 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10868 (simplify_cond): New function.
10869 (forward_propagate_into_cond): Call simplify_cond.
10871 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10873 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10874 (*vec_extractv2di_1_sse): New.
10876 2006-01-09 Ben Elliston <bje@au.ibm.com>
10878 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10880 2006-01-08 Richard Guenther <rguenther@suse.de>
10882 * tree-ssa-structalias.c (get_constraint_for): Remove
10883 anyoffset argument.
10884 (get_constraint_for_component_ref): Likewise.
10885 (do_deref): Likewise.
10886 (get_constraint_for): Likewise.
10887 (do_structure_copy): Likewise.
10888 (handle_ptr_arith): Likewise.
10889 (find_func_aliases): Likewise. Remove unused need_anyoffset
10892 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10893 Kaz Kojima <kkojima@gcc.gnu.org>
10895 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10896 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10897 (EXTRA_CONSTRAINT_C16): Remove.
10898 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10899 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10900 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10901 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10902 constants of SHmedia. Handle nested constant expressions of
10904 (andcosts): Fix the costs for SHmedia constants.
10905 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10906 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10907 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10908 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10909 (movv4hi_i, movv2si_i): Likewise.
10910 (movsi_const): Adjust the second operand of ior so to match with
10911 the Csu constraint.
10912 (movdi_const, movdi_const_32bit): Likewise.
10913 (movdi_const_16bit+1): Don't sign-extend LOW.
10914 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10916 (*double_shori): Fix the split condition. Use GEN_INT instead
10917 of get_int_mode calls. Mask lower 16-bit of the argument of
10919 (sym2GOTPLT): Remove.
10920 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10922 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10923 instead of EXTRA_CONSTRAINT_C16.
10925 2006-01-07 Ian Lance Taylor <ian@airs.com>
10926 David Edelsohn <edelsohn@gnu.org>
10928 PR rtl-optimization/25662
10929 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10930 for constant operands instead of simplify_gen_binary.
10931 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10932 after trying simplify_binary_operation
10934 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10936 * tree.c (iterative_hash_expr): Hash decls based on UID.
10938 2006-01-06 Eric Christopher <echristo@apple.com>
10940 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10941 (TARGET_UNWIND_EMIT): Fix spelling.
10942 * target.h (gcc_target): Add except_table_label.
10943 * except.c (output_function_exception_table): Use.
10944 * varasm.c (default_emit_except_table_label): New.
10945 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10947 (asm_out): Add here.
10948 * output.h (default_emit_except_table_label): Prototype.
10949 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10950 * config/darwin.c (darwin_emit_except_table_label): Define.
10951 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10953 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10955 PR tree-optimization/18527
10956 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10957 number_of_iterations_special, number_of_iterations_exit):
10958 Move base and step of an iv to a single structure. Add
10959 no_overflow flag, and use it in # of iterations analysis.
10960 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10961 folded_casts argument.
10962 (simple_iv): Pass base and step in a structure. Set no_overflow
10964 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10965 Evaluate expensiveness of computing # of iterations instead of
10966 the final expression.
10967 * tree-scalar-evolution.h (affine_iv): New structure.
10968 (simple_iv): Declaration changed.
10969 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10970 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10971 find_givs_in_stmt): Changed due to simple_iv change.
10973 2006-01-06 Jeff Law <law@redhat.com>
10976 * tree-cfg.c (bsi_replace): Rename final argument from
10977 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10978 change (stmt -> orig_stmt).
10979 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10980 (bsi_remove): Add new argument. Remove EH information
10982 (verify_eh_throw_table_statements): New function.
10983 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10985 * tree-optimize.c (execute_free_cfg_annotations): Verify
10986 the EH throw statement table after removing annotations.
10987 * except.h (verify_eh_throw_table_statements): Prototype.
10988 * tree-flow.h (bsi_remove): Update prototype.
10989 * tree-vrp.c (remove_range_assertions): Add new argument to
10991 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10992 * tree-complex.c (expand_complex_div_wide): Likewise.
10993 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10994 * tree-tailcall.c (eliminate_tailcall): Likewise.
10995 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10996 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10997 * tree-nrv.c (tree_nrv): Likewise.
10998 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10999 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11000 (combine_blocks): Likewise.
11001 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11002 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11003 (cleanup_control_flow): Likewise.
11004 (remove_forwarder_block): Likewise.
11005 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11006 * tree-sra.c (sra_replace): Likewise.
11007 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11008 (forward_propagate_single_use_vars): Likewise.
11009 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11010 * tree-inline.c (expand_call_inline): Likewise.
11011 * tree-vect-transform.c (vect_transform_loop): Likewise.
11012 * tree-outof-ssa.c (rewrite_trees): Likewise.
11013 * tree-cfg.c (make_goto_expr_edges): Likewise.
11014 (cleanup_dead_labels): Likewise.
11015 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11016 (bsi_move_before, bsi_move_after): Likewise.
11017 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11018 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11020 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11023 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11025 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11026 on non gimple variables. Also add checks at the top for decls and
11028 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11030 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11031 and IMAGPART_EXPR for creating MUST_DEFs.
11032 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11033 and NAME_MEMORY_TAG separately from the DECLs.
11035 2006-01-06 Richard Guenther <rguenther@suse.de>
11037 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11038 annotation, if necessary.
11039 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11040 redundant calls to update_stmt.
11041 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11044 2006-01-05 Richard Henderson <rth@redhat.com>
11046 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11048 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11050 * c-typeck.c: Update copyright date.
11052 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11054 * c-typeck.c (build_c_cast): Always warn when casting
11055 from a pointer to an integer of different size, even if
11056 the node was constant.
11058 2006-01-05 Richard Guenther <rguenther@suse.de>
11060 PR tree-optimization/22555
11061 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11062 if one structure field is an array.
11063 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11064 operands even if we found a subvar, but ignore VOPs in this
11066 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11068 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11070 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11072 PR middle-end/24998
11073 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11075 2006-01-05 Richard Guenther <rguenther@suse.de>
11076 Diego Novillo <dnovillo@redhat.com>
11078 * tree-pass.h (TODO_remove_unused_locals): Define.
11079 * gimple-low.c (expand_var_p, remove_useless_vars,
11080 pass_remove_useless_vars): Remove. Update all users.
11081 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11082 (remove_unused_locals): New function.
11083 * tree-flow.h (remove_unused_locals): Declare.
11084 * passes.c (execute_todo): Call remove_unused_locals if
11085 TODO_remove_unused_locals is set.
11086 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11087 * tree-ssa-dce.c (pass_dce): Likewise.
11088 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11090 2006-01-05 Richard Guenther <rguenther@suse.de>
11092 * tree-flow.h (struct fieldoff): Decompose field to
11093 type, size and decl.
11094 * tree-ssa-alias.c (create_sft): Take type as parameter.
11095 (create_overlap_variables_for): Store type, size and decl
11096 in the fieldoff structure.
11097 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11098 of struct fieldoff.
11099 (push_fields_onto_fieldstack): Likewise.
11100 (create_variable_info_for): Likewise. Use offset for the
11101 SFT name if the decl is not available.
11103 2006-01-04 Paul Brook <paul@codesourcery.com>
11105 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11107 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11109 * lambda-code.c (can_put_in_inner_loop): Relax
11111 (can_put_after_inner_loop): New function.
11112 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11113 (perfect_nestify): Change to make copies and modify uses.
11115 2006-01-04 Richard Henderson <rth@redhat.com>
11117 Merge from gomp branch:
11118 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11119 via integer constant.
11120 (pragma_lex): Remove.
11121 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11122 rather than parsing it.
11123 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11124 handle_pragma_extern_prefix): Add %< %> quotes.
11125 (registered_pragmas): New.
11126 (c_register_pragma_1): New.
11127 (c_register_pragma): Use it.
11128 (c_register_pragma_with_expansion): Likewise.
11129 (c_invoke_pragma_handler): New.
11130 (init_pragma): Use cpp_register_deferred_pragma directly for
11132 * c-pragma.h (enum pragma_kind): New.
11133 (pragma_handler): New.
11134 (c_invoke_pragma_handler): Declare.
11135 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11137 * c-common.h (c_common_pch_pragma): Update decl.
11138 * Makefile.in (c-parser.o): Update dependencies.
11139 (GTFILES): Add c-pragma.h.
11140 * c-parser.c (struct c_token): Add pragma_kind.
11141 (struct c_parser): Add in_pragma.
11142 (c_lex_one_token): Always initialize keyword and pragma_kind.
11143 Extract data for CPP_PRAGMA.
11144 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11145 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11146 Don't allow CPP_PRAGMA_EOL if in_pragma.
11147 (c_parser_consume_pragma): New.
11148 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11149 (c_parser_skip_to_end_of_parameter): Likewise.
11150 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11151 (c_parser_skip_to_pragma_eol): New.
11152 (c_parser_external_declaration): Handle CPP_PRAGMA.
11153 (c_parser_compound_statement_nostart): Likewise.
11154 (c_parser_statement_after_labels): Likewise.
11155 (c_parser_pragma): New.
11156 (pragma_lex): Likewise.
11157 (c_parser_pragma_pch_preprocess): New.
11158 (c_parser_new): Merge into ...
11159 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11161 2006-01-04 Jeff Law <law@redhat.com>
11164 * tree-cfg.c (bsi_replace): Remove the original statement
11165 from the EH throw statement table.
11167 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11169 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11170 make the prototype extern "C" and add throw ().
11173 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11174 and pos non-negative and pos + len <= 32.
11175 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11176 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11177 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11180 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11181 as well as sizes not multiple of component size.
11184 * function.c (instantiate_expr): New function.
11185 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11186 walk its DECL_VALUE_EXPR with instantiate_expr.
11188 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11189 DW_OP_deref{,_size} if address isn't going to be added.
11191 2006-01-04 Ben Elliston <bje@au.ibm.com>
11193 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11194 * config/fp-bit.c: Likewise.
11196 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11198 * dominance.c: Add comment about why we use DFS numbering
11201 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11202 Richard Henderson <rth@redhat.com>
11204 Merge from gomp-branch:
11205 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11206 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11208 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11210 PR rtl-optimization/25578
11211 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11212 pass a parameter to simplify_shift_const if changing ASHIFTRT
11215 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11217 * builtins.c (get_builtin_sync_mem): New function.
11218 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11219 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11220 Call get_builtin_sync_mem to generate mem rtx.
11222 2006-01-03 Richard Guenther <rguenther@suse.de>
11225 * stmt.c (add_case_node): Make sure to clear overflow flags
11228 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11230 Merge from gomp-branch.
11231 * config/sparc/sync.md: New file.
11232 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11233 UNSPECV_LDSTUB): New constants.
11234 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11235 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11236 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11239 2006-01-03 Roger Sayle <roger@eyesopen.com>
11241 * combine.c (reg_subword_p): New predicate to test whether the
11242 destination of a set refers to a subword/piece of a register.
11243 (try_combine): Generalize the code to merge the setting of a
11244 pseudo to a constant followed by a set of a subword of that
11245 register to a constant.
11247 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11249 * basic-block.h (control_flow_graph): Change the type of
11250 x_label_to_block_map to VEC(basic_block,gc) *.
11251 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11252 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11254 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11255 VEC(basic_block,heap) *.
11256 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11257 ssa_prop_fini): Adjust the uses of cfg_blocks.
11259 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11261 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11263 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11264 hashing trees instead of a pointer hash.
11265 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11266 compare for MEM_EXPR.
11268 PR rtl-optimization/25130
11269 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11270 when comparing MEMs for GCSE
11272 2006-01-03 Ben Elliston <bje@au.ibm.com>
11274 * targhooks.h (default_decimal_float_supported_p): Declare.
11275 * targhooks.c (default_decimal_float_supported_p): Define.
11276 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11277 `default_decimal_float_supported_p'.
11278 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11280 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11282 * combine.c (apply_distributive_law <SUBREG>): Check
11283 TRULY_NOOP_TRUNCATION.
11285 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11287 * dwarf2out.c (have_switched_text_section): Delete.
11288 (have_multiple_function_sections): New.
11289 (have_location_lists): Make 'bool'.
11290 (add_AT_loc_list): Use 'true' not '1'.
11291 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11292 (output_loc_list): Use have_multiple_function_sections.
11293 (output_ranges): Likewise.
11294 (dwarf2out_begin_function): Set have_multiple_function_sections if
11296 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11297 Check function_section rather than DECL_SECTION_NAME.
11298 (dwarf2out_finish): Use have_multiple_function_sections.
11299 Don't clear have_location_lists.
11301 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11302 Jan Hubicka <jh@suse.cz>
11304 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11305 case of conditional jump jumping to the next instruction.
11306 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11307 cases of conditional jump jumping to the next instruction.
11309 2006-01-02 Jan Hubicka <jh@suse.cz>
11311 * i386.c (*_cost): Add COSTS_N_INSNS.
11312 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11314 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11317 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11319 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11321 * config/arm/arm.c (all_fpus): Fix comment typo.
11322 * config/darwin.c: Likewise.
11323 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11324 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11325 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11327 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11329 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11330 (rs6000_split_compare_and_swapqhi): New.
11331 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11332 (sync_compare_and_swapqhi_internal): New.
11333 * config/rs6000/rs6000-protos.h: Declare.