1 2006-05-21 Mike Stump <mrs@apple.com>
3 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5 (darwin_pragma_options): Use BAD instead.
6 (darwin_pragma_unused): Likewise.
7 (darwin_pragma_ms_struct): Likewise.
9 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
13 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
15 PR rtl-optimization/27671
16 * simplify-rtx.c (simplify_relational_operation_1): Fix
17 simplifications of (eq/ne (xor x y) y) and
20 PR tree-optimization/26622.
21 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
24 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
26 * tree-cfg.c: Prune whitespace.
27 (debug_tree_cfg): Point to correct header containing the
30 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
33 * cgraphunit.c (verify_cgraph_node): Typo in error message.
35 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
38 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
39 or sorry count is non zero.
41 2006-05-20 Andreas Schwab <schwab@suse.de>
43 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
45 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
46 Kenneth Zadeck <zadeck@naturalbridge.com>
48 PR rtl-optimization/26855
50 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
52 (df_scan_alloc): Added code to properly handle multiword hard
53 registers and add all_blocks parameter.
54 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
55 code to properly handle multiword hard registers.
56 (df_rescan_blocks): Added code to remove deleted blocks from
58 (df_ref_create_structure, df_ref_record): Added code to properly
60 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
61 and set DF_REF_PARTIAL.
62 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
63 (df_uses_record): Added DF_REF_PARTIAL for subreg.
64 (df_scan_add_problem): Added flags parameter.
65 (df_ref_create_structure): Changed switching structure.
66 (df_bb_refs_record): Fixed case where duplicate artificial refs
67 were created. Changed location of flags.
68 (df_record_entry_block_defs): Added code to make stack pointer
69 live in entry block. Refined cases where frame pointer is needed.
70 Changed location of flags.
71 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
72 (df_set_state): Removed function.
73 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
74 df_insn_create_insn_record, df_insn_refs_delete,
75 df_ref_create_structure): Formatting changes.
76 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
77 df_delete_basic_block): New function.
78 (df_init): Changed location of flags.
79 (df_add_problem): Added flags parameter and the way flags are
81 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
82 debug_df_chain): Improved debugging output.
83 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
84 (df_refs_chain_dump): Removed df parameter.
85 (df_iterative_dataflow): Added consistency check.
86 (df_prune_to_subcfg): Made public.
87 (df_analyze_problem): Added blocks_to_init parameter and made
89 (df_ref_record, df_bb_refs_record, df_mark_reg,
90 df_record_exit_block_uses): Whitespace changes.
91 (df_dump): Whitespace changes.
92 * df.h: Some reordering to remove forward references.
93 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
94 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
95 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
96 (dataflow.flags): New field.
97 (df.flag): Deleted field.
98 (df_alloc_function): Added additional bitmap parameter.
99 (df_dependent_problem_function): New type.
100 (df_problem.changeable_flags): New field.
101 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
102 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
103 (df_mw_hardreg): New struct.
104 (DF_INSN_UID_MWS): New macro.
105 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
107 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
108 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
109 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
110 (df_set_state): Removed function.
111 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
112 * df-problems.c (df_chain_dump): Removed df parameter.
113 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
114 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
116 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
117 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
118 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
119 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
120 DF_REF_MUST_CLOBBER cases.
121 (df_ru_bb_local_compute_process_def,
122 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
123 df_lr_bb_local_compute, df_ur_bb_local_compute,
124 df_chain_create_bb): Made subreg aware.
125 (df_ru_bb_local_compute, df_rd_bb_local_compute,
126 df_lr_bb_local_compute, df_lr_bb_local_compute,
127 df_chain_create_bb): Cleanup to use proper macros.
128 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
129 code to fixup bitvectors.
130 (df_ri_alloc): Cleared lifetime.
131 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
132 df_create_unused_note): New function.
133 (df_ri_bb_compute, df_ri_compute): Added code to create/update
134 REG_DEAD and REG_UNUSED notes as well as register information.
135 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
136 df_chains_dump): Fixed crash if problem was never run.
137 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
138 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
139 df_ri_add_problem): Processes flags in uniform manner.
140 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
141 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
142 df_rd_dump, df_urec_free_bb_info): Formatting changes.
143 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
144 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
145 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
146 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
147 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
148 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
149 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
150 * see.c (see_initialize_data): Ditto.
151 * final.c (rest_of_clean_state) Added regstack_completed.
152 * rtl.h (regstack_completed): Ditto.
153 * reg-stack.c (regstack_completed): Ditto.
155 2006-05-19 Mike Stump <mrs@apple.com>
157 * c-tree.h (default_conversion): Remove.
158 * c-common.h (default_conversion): Add.
160 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
162 * tree-vrp.c (valid_value_p): New function.
163 (adjust_range_with_scev): Fail if the value of bound is not
166 2006-05-19 Richard Sandiford <richard@codesourcery.com>
168 * config/mips/linux-unwind.h: Include <asm/unistd.h>
169 (mips_fallback_frame_state): Use syscall numbers to determine
170 the appropriate li instruction for the current ABI. Only use
171 __NR_sigreturn for o32.
173 2006-05-19 Nicolas Setton <setton@adacore.com>
175 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
176 * langhooks.c (lhd_dwarf_name): New function.
177 * langhooks-def.h (lhd_dwarf_name): Declare.
178 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
179 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
180 * ada/misc.c (gnat_dwarf_name): New function.
181 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
183 2006-05-19 Richard Sandiford <richard@codesourcery.com>
185 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
187 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
188 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
189 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
190 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
191 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
192 determine the size of Wtype, etc.
193 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
194 (swfloatfuncs): New variable.
195 (dwfloatfuncs): Likewise.
196 (lib2funcs): Remove floating-point conversion functions from
197 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
198 the set of conversion routines needed. Allow entries to specify
199 an object name, filename and word size. Update users accordingly.
200 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
201 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
205 2006-02-08 Roger Sayle <roger@eyesopen.com>
208 * config/fixtfdi.c: New libgcc source file.
209 * config/fixunstfdi.c: New source file.
210 * config/floatditf.c: New source file.
211 * config/floatunditf.c: New souce file.
212 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
213 files above instead of config/mips/_tilib.c.
214 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
216 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
218 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
219 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
221 2006-05-18 Mike Stump <mrs@apple.com>
223 Fix up vla, vm and [*] sematics.
229 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
230 (c_vla_unspec_p): Add.
232 * c-decl.c (struct c_scope): Add had_vla_unspec.
233 (build_array_declarator): Add support for [*].
234 (grokdeclarator): Likewise.
235 (grokparms): Likewise.
236 (get_parm_info): Likewise.
237 * c-objc-common.c (c_vla_unspec_p): Likewise.
238 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
239 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
240 typeof when argument is a variably modified type not inside sizeof or alignof.
241 (c_parser_direct_declarator_inner): Propagate errors.
242 (c_parser_sizeof_expression): Add support for [*].
243 (c_parser_parms_declarator): Initialize had_vla_unspec.
244 (c_parser_parms_list_declarator): Likewise.
245 * c-typeck.c (c_vla_type_p): Add.
246 (composite_type): Add support for vla compositing.
247 (comptypes_internal): Add support for vla compatibility.
248 (c_expr_sizeof_expr): Evaluate vla arguments.
249 * tree.c (variably_modified_type_p): Update comment for [*].
251 2006-05-18 Michael Matz <matz@suse.de>
254 * config.host: Make assignments to host_xmake_file cumulative.
255 * config.host (*-darwin*): Test $host, not $target.
257 2006-05-12 Stuart Hastings <stuart@apple.com>
259 * config/i386/i386.opt (-mstackrealign): New flag.
260 * config/i386/i386.c (force_align_arg_pointer): New attribute.
261 (ix86_handle_cconv_attribute): Emit error when
262 force_align_arg_pointer attribute collides with too many regparms.
263 (ix86_function_regparm): Limit regparms when used with
264 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
265 Support stack-realigning prologue in non-main functions. Emit
266 warning for nested functions under -mstackrealign, emit error for
267 nested functions with force_align_arg_pointer attribute.
268 * doc/extend.texi (force_align_arg_pointer): Document it.
269 * doc/invoke.texi (-mstackrealign): Document it.
271 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
273 PR rtl-optimization/27477
274 * combine.c (try_combine): Don't split a parallel consisting
275 of two sets into two individual sets if both sets reference
278 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
280 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
281 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
283 * doc/options.texi (VarExists): Updated.
285 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
287 * unwind-dw2.c: Add declarations for uw_update_context and
289 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
290 detected, advance frame state and context once to skip over stub.
292 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
296 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
297 Call rewrite_into_loop_closed_ssa only when something changed.
298 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
299 * lambda-code.c (can_convert_to_perfect_nest): Declared.
300 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
301 Test for perfect_nest_p here. Fix formating.
302 (replace_uses_equiv_to_x_with_y): Fix formating.
303 (stmt_uses_op): Removed.
304 (can_convert_to_perfect_nest): Removed loopivs parameter.
305 Complete the test by checking the scalar dependences.
306 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
309 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
312 From Dan Kegel <dank@kegel.com>:
313 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
315 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
317 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
318 if the element type is variably modified without recursing.
320 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
323 * tree-loop-linear.c (try_interchange_loops): Test for
326 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
328 PR tree-optimization/27548
329 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
330 range of ssa names that appear on abnormal edges.
331 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
332 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
334 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
337 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
339 2006-05-17 Jakub Jelinek <jakub@redhat.com>
342 * tree.h (OMP_PARALLEL_COMBINED): Define.
343 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
344 (new_omp_context): Add is_combined_parallel argument.
345 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
346 new_omp_context caller.
347 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
348 Adjust gimplify_scan_omp_clauses callers.
349 (omp_is_private): Issue errors if iteration variable is firstprivate
350 or reduction in the current context.
351 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
352 on combined parallel workshare constructs.
354 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
356 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
357 (gcc-options.o): New rule.
359 * optc-gen.awk: Protect variables for gcc-options.o with
360 #ifdef GCC_DRIVER/#endif.
362 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
364 Fix PR tree-optimization/27373
365 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
366 (forward_propagate_addr_expr): Update call.
368 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
370 * doc/options.texi: Move the Negative option.
372 2006-05-16 Richard Guenther <rguenther@suse.de>
374 PR tree-optimization/22303
375 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
377 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
378 ccp_fold did not simplify the statement.
380 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
383 * Makefile.in (GCC_OBJS): New.
384 (OBJS-common): Add opts-common.o.
385 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
386 (cpp$(exeext)): Likewise.
387 (gcc.o): Also depend on opts.h.
388 (opts-common.o): New.
390 * common.opt (gcoff): Add Negative(gdwarf-2).
391 (gdwarf-2): Add Negative(gstabs).
392 (gstabs): Add Negative(gstabs+).
393 (gstabs+): Add Negative(gvms).
394 (gvms): Add Negative(gxcoff).
395 (gxcoff): Add Negative(gxcoff+).
396 (gxcoff+): Add Negative(gcoff).
397 * config/i386/i386.opt (m32): Add Negative(m64).
398 (m64): Add Negative(m32).
400 * doc/options.texi: Document the Negative option.
402 * gcc.c: Include "opts.h".
403 (main): Call prune_options after expandargv.
405 * optc-gen.awk: Generate common declarations for all flag
406 variables in options.c. Output the neg_index field.
408 * opts.c (find_opt): Moved to ...
409 * opts-common.c: Here. New file.
411 * opts.h (cl_option): Add a neg_index field.
413 (prune_options): Likewise.
415 2006-05-16 Jakub Jelinek <jakub@redhat.com>
418 * omp-low.c (expand_omp_parallel): Don't assert
419 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
420 instead search for it.
423 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
426 2006-05-16 Andreas Schwab <schwab@suse.de>
428 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
431 2006-05-15 Roger Sayle <roger@eyesopen.com>
434 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
435 integer constants other than zero are only legitimate on TARGET_64BIT.
436 <CONST_VECTOR> Only zero vectors are legitimate.
437 (ix86_cannot_force_const_mem): Integral and vector constants can
438 always be put in the constant pool.
440 2006-05-16 DJ Delorie <dj@redhat.com>
442 * crtstuff.c (__dso_handle): Set section from
443 TARGET_LBIGCC_SDATA_SECTION if defined.
444 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
445 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
447 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
450 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
453 2006-05-16 Ben Elliston <bje@au.ibm.com>
455 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
457 2006-05-15 Per Bothner <per@bothner.com>
459 * tree.c: (last_annotated_node): Use sources_locus typedef.
460 This permits bootstrapping with --enable-mapped-location.
462 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
464 PR tree-optimization/26830
465 * tree-into-ssa.c (struct ssa_name_info): Add age field.
466 (info_for_ssa_name, current_info_for_ssa_name_age,
467 blocks_to_update): New variables.
468 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
469 (clear_ssa_name_info, initialize_flags_in_bb,
470 mark_block_for_update): New functions.
471 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
472 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
473 prepare_def_site_for): Use mark_block_for_update.
474 (mark_def_interesting): Assert that the processed block is marked in
475 blocks_to_update. Do not take blocks argument.
476 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
478 (rewrite_update_init_block, rewrite_update_stmt): Only process
479 blocks with statements to rewrite.
480 (delete_update_ssa): Do not clear SSA_NAME_AUX.
481 (update_ssa): Initialize and free blocks_to_update. Do not
482 clear flags on statements. Do not use blocks bitmap.
483 * tree.h (SSA_NAME_AUX): Removed.
484 (struct tree_ssa_name): Removed aux field.
485 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
487 2006-05-15 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/27603
490 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
491 Do computations in original type.
493 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
495 * see.c: Code style changes such as redundant paranthesis,
496 redundant intialization of local variables etc.
497 (see_main): Declared now as static.
498 * doc/invoke.texi: Update that -fsee is not enabled by
501 2006-05-15 Jakub Jelinek <jakub@redhat.com>
503 * omp-low.c (check_omp_nesting_restrictions): New function.
504 (scan_omp_1): Call it.
507 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
508 construct, return *VAR.
510 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
512 PR rtl-optimization/27406
513 * bt-load.c (migrate_btr_def): Skip the block having abnormal
516 2006-05-14 Roger Sayle <roger@eyesopen.com>
518 PR rtl-optimization/27538
519 * combine.c (expand_compound_operation): Call gen_lowpart
520 before calling simplify_shift_const.
522 2006-05-14 Roger Sayle <roger@eyesopen.com>
524 PR rtl-optimization/22563
525 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
526 a fixed width bitfield, always force the intermediates into psuedos.
528 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
531 * mkconfig.sh: Use operator = instead of == for test.
533 2006-05-13 Nick Clifton <nickc@redhat.com>
535 * dwarf2out.c (dbx_reg_number): Check return value from
536 LEAF_REG_REMAP and only use it if it is valid.
537 (multiple_reg_loc_descriptor): Likewise.
539 2006-05-13 Richard Guenther <rguenther@suse.de>
541 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
544 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
546 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
547 information attached to non-INSNs such as NOTEs.
548 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
550 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
552 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
554 * config/s390/s390.md: Adjust comment describing On constraint.
556 2006-05-11 Jan Hubicka <jh@suse.cz>
558 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
561 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
564 * fold-const.c (size_binop): Move sanity check for arguments to
565 the beginning of the function.
568 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
571 2006-05-11 Richard Guenther <rguenther@suse.de>
574 * fold-const.c (fold_unary): Handle intermediate conversion
575 to a pointer type like intermediate conversion to an integer
576 type in folding of (T1)(T2)var to var.
577 Match the code to the comment in the final conversion for
578 (T1)(T2)var to (T1)var regarding to type precision. Rather
579 than disallow T1 being of pointer type, assert that both T1
580 and var are of pointer type or not. Make sure not to fall
581 over the frontends lazyness wrt array to pointer decay though.
583 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
585 * arm.c (arm_struct_value_rtx): Delete.
586 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
587 (arm_init_cumulative_args): Always initialize nregs to zero.
589 2006-05-10 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/27532
592 * tree-object-size.c (plus_expr_object_size): Fix typo.
594 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
597 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
598 ashrdi_const, ashrdi3): Use a scratch register.
600 2006-05-10 Richard Guenther <rguenther@suse.de>
602 PR tree-optimization/27302
603 * fold-const.c (operand_equal_p): For two comparisons,
604 try comparison of one comparison code swapped if that yields
607 2006-05-10 Ben Elliston <bje@au.ibm.com>
609 * tree-pretty-print.c (pretty_print_string): No need to handle
610 '\0' as a special character.
612 * tree.h: Include "hashtab.h".
613 (iterative_hash_expr): Use hashval_t in its prototype.
614 * Makefile.in (TREE_H): Add $(HASHTAB_H).
616 2006-05-09 Steve Ellcey <sje@cup.hp.com>
619 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
620 (hppa*64*-*-hpux11*): Ditto.
621 (hppa[12]*-*-hpux11*): Ditto.
623 2006-05-09 David Edelsohn <edelsohn@gnu.org>
626 * config/rs6000/aix41.h (TARGET_64BIT): Define.
628 2006-05-09 Michael Matz <matz@suse.de>
630 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
631 host_extra_gcc_objs and host_xmake_file.
632 (<*-*-linux*>): Don't overwrite host_xmake_file.
633 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
634 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
635 (host_detect_local_cpu): Declare.
636 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
637 * config/i386/i386.c (override_options): Handle -mtune=native
639 * config/i386/x-i386: New file.
640 * config/i386/driver-i386.c: New file.
641 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
644 2006-05-09 Dirk Mueller <dmueller@suse.de>
645 Richard Guenther <rguenther@suse.de>
648 * fold-const.c (fold_read_from_constant_string): Relax check
649 for matching types to matching modes.
651 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
653 PR rtl-optimization/27335
654 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
657 2006-05-08 Chao-ying Fu <fu@mips.com>
658 Richard Sandiford <richard@codesourcery.com>
660 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
661 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
662 * config/mips/mips.md (UNSPEC_SCC): New constant.
663 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
664 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
665 (mips_emit_compare): Use it.
666 (mips_expand_vcondv2sf): New function.
668 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
670 Fix PR tree-optimization/27093
671 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
672 renaming when they become not-used_alone.
674 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
676 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
677 relocation and relocation stubs.
679 2006-05-08 Eric Christopher <echristo@apple.com>
681 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
684 2006-05-08 Jan Hubicka <jh@suse.cz>
687 * cgraphunit.c (decide_is_function_needed): When not optimizing even
688 unused static functions are needed.
690 2006-05-08 Roger Sayle <roger@eyesopen.com>
693 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
694 of a reg_equiv_constant if the result is a legitimate constant.
696 2006-05-08 Uros Bizjak <uros@kss-loka.si>
699 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
700 standard 80387 constants, raise the cost to prevent
701 compress_float_constant() to generate load from memory.
703 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
705 * config/arm/constraints.md (c): Fix a typo.
707 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
710 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
713 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
715 (_mm_mwait): Likewise.
717 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
719 (sse3_monitor): Make it 32bit only.
720 (sse3_monitor64): New. 64bit monitor.
722 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
725 * config/i386/i386.c (classify_argument): Skip fields with invalid
728 2006-05-07 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/27409
731 * tree-ssa-structalias.c (get_constraint_for_component_ref):
732 Do not try to find zero-sized subvars.
734 2006-05-07 Richard Guenther <rguenther@suse.de>
736 PR tree-optimization/27136
737 * tree-ssa-loop-niter.c (get_val_for): Correct function
738 comment, assert requirements.
739 (loop_niter_by_eval): Stop processing if the iterated
740 value did not simplify.
742 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
744 * opts.c (flag_see): remove its setting at -O3.
746 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
748 * genpeep.c (main): Make insn-peep.c depend on flags.h.
749 * arm/constraints.md: New file.
750 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
751 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
752 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
753 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
754 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
755 (EXTRA_MEMORY_CONSTRAINT): Likewise.
756 * arm.md: Include constraints.md.
757 (thumb_movsi_insn): Use satisfies_constraint_J.
758 (movhi, movqi): Use satisfies_constraint_I.
760 2006-04-29 Anatoly Sokolov <aesok@post.ru>
762 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
763 for atmeg a645 device.
765 2006-05-06 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/27151
768 * tree-vect-transform.c (vectorizable_condition): Punt on
769 values that have a different type than the condition.
771 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
774 * c-parser.c (c_parser_cast_expression): Only insert casts into
775 hash table if pointer.
776 * function.c (used_types_insert_helper): Rename from
778 (used_types_insert): Call used_types_insert_helper.
779 * function.h (used_types_insert): Accept only one argument.
781 2006-05-05 David Edelsohn <edesohn@gnu.org>
783 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
784 scratch with output modifier.
786 2006-05-04 David Edelsohn <edelsohn@gnu.org>
789 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
790 with output modifier.
792 2006-05-04 Richard Sandiford <richard@codesourcery.com>
795 * config/mips/mips.c (mips_symbolic_address_p): Return true
796 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
797 SYMBOL_GOTTPREL, and SYMBOL_TLS.
799 2006-05-04 Richard Guenther <rguenther@suse.de>
801 PR tree-optimization/14287
802 PR tree-optimization/14844
803 PR tree-optimization/19792
804 PR tree-optimization/21608
805 PR tree-optimization/27090
806 * tree-ssa-pre.c (try_combine_conversion): New function.
807 (compute_avail): After constructing the value-handle
808 expression, use try_combine_conversion to combine NOP_EXPRs
809 with previous value-handle expressions and use the result if it
812 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
814 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
816 2006-05-04 Jan Hubicka <jh@suse.cz>
819 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
821 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
823 * config/bfin/predicates.md (const01_rtx): Tell generator programs
824 that this only matches CONST_INTs. All users changed to VOIDmode
827 * config/bfin/bfin.c: Include "optabs.h".
828 (bfin_rtx_costs): Some costs for vector operations, to allow combine
830 (enum bfin_builtins): Add a number of fractional and vector builtins.
831 (bfin_init_builtins): Likewise.
832 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
833 (safe_vector_operand, bfin_expand_binop_builtin,
834 bfin_expand_unop_builtin): New functions.
835 (bfin_expand_builtin): Handle the new builtins.
836 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
839 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
842 * Makefile.in (OBJS-common): Add see.o.
843 (see.o): Add dependencies.
844 * common.opt (fsee): New flag for the see optimization was added.
845 * opts.c (flag_see): Initialized.
846 * passes.c (init_optimization_passes, pass_see): New pass.
847 * rtl.h (see_main): Declaration as extern.
848 * timevar.def (TV_SEE): New.
849 * tree-pass.h (pass_see): Declaration as extern.
850 * invoke.texi (-fsee): Document.
851 * recog.c (validate_simplify_insn): New function.
852 * recog.h (validate_simplify_insn): Declaration as extern.
853 * df-problems.c (df_chain_dump): Check for NULL.
855 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
856 Daniel Berlin <dberlin@dberlin.org>
858 * cfgrtl.c (insert_insn_bb_end_new): New function.
859 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
861 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
863 * df.h (struct web_entry): Moved from web.c.
864 (union_defs): Declaration as extern.
865 (unionfind_root): Likewise.
866 (unionfind_union): Likewise.
867 * web.c (struct web_entry): Moved to df.h.
868 (unionfind_root): Remove static declaration.
869 (unionfind_union): Likewise.
870 (union_defs): Likewise and generalize to use callback function.
871 (web_main): Update arguments for union_defs function call.
873 2006-05-04 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/26447
876 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
877 produce SSA_NAME copies before the store stmt to avoid
878 breaking exception handling.
880 2006-05-04 Jakub Jelinek <jakub@redhat.com>
883 * gimplify.c (omp_is_private): If var is shared in some outer context,
884 return false instead of true. Stop searching on parallel context
887 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
890 * coverage.c: Use get_gcov_unsigned_t() instead of
891 unsigned_type_node all over.
893 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
895 PR tree-optimization/27381
896 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
897 maintain the same immediate_use links.
898 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
899 node rather than segfaulting.
901 2006-05-03 Jakub Jelinek <jakub@redhat.com>
904 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
905 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
906 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
908 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
910 Fix PR tree-optimization/26626
911 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
913 * tree-ssa-operands.c (access_can_touch_variable): Allow
914 typecasting through union pointers.
916 2006-05-02 Jakub Jelinek <jakub@redhat.com>
919 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
920 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
921 to find if var will be a global variable even in the nested context.
922 (omp_copy_decl): Only check for global variable at the end, it might
923 be overridden in outer contexts.
924 (scan_sharing_clauses): For global variables don't create a field.
925 (lower_rec_input_clauses): Do nothing for global shared variables.
926 Emit a barrier at the end of ILIST if there were any decls in both
927 firstprivate and lastprivate clauses.
928 (lower_send_clauses): Do nothing for global variables except for
931 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
933 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
934 of the correct signedness is returned.
936 2006-05-02 Jeff Law <law@redhat.com>
938 PR tree-optimization/27364
939 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
940 multiply expressions.
942 2006-05-02 Tom Tromey <tromey@redhat.com>
944 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
946 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
949 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
950 -mthumb -fPIC are used.
952 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
953 Joshua Kinard <kumba@gentoo.org>
956 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
957 with 64-bit pointers.
959 2006-05-02 Paul Brook <paul@codesourcery.com>
961 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
963 (create_fix_barrier): Check that a suitable barrier location is
965 (arm_reorg): Include ftmp->address in allowable range of addresses.
967 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
970 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
973 2006-05-02 Jakub Jelinek <jakub@redhat.com>
976 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
977 around RESULT_DECL for result passed by reference.
978 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
979 * omp-low.c (use_pointer_for_field): Don't look at
980 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
981 (scan_omp_1): Call remap_decl on RESULT_DECLs.
982 (lower_rec_input_clauses): Don't allocate VLA memory for the second
983 time or var for passing by reference for
984 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
985 TREE_ADDRESSABLE variables when passing by reference.
987 * omp-low.c (dump_omp_region): Fix output formatting.
990 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
991 (expand_omp_parallel): Likewise.
992 * tree-cfg.c (move_sese_region_to_fn): Likewise.
995 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
996 on statement list containing also constructors and destructors.
997 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1000 * except.c (duplicate_eh_regions): Fix clearing of
1001 cfun->eh->region_array entries.
1003 2006-05-01 DJ Delorie <dj@redhat.com>
1005 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1007 (gcc_cv_objdump): Likewise.
1008 * configure: Regenerated.
1010 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1013 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1014 templates for case 3 and 4.
1016 2006-05-01 DJ Delorie <dj@redhat.com>
1018 * vec.c: Include bconfig.h when appropriate.
1019 * Makefile.in (build/vec.o): Adjust dependencies.
1020 * mkconfig.sh: Make sure config.h isn't used for build machine
1023 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1025 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1027 (mark_phi_for_rewrite): New function.
1028 (insert_phi_nodes_for, mark_use_interesting): Call
1029 mark_phi_for_rewrite.
1030 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1031 (update_ssa): Initialize and free phis_to_rewrite.
1033 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1035 PR rtl-optimization/27291
1036 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1037 folded to a constant.
1039 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1041 PR tree-optimization/27283
1042 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1043 not whole # of iteration descriptions.
1044 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1045 uses abnormal ssa name.
1046 (niter_for_single_dom_exit): Ditto.
1047 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1048 return just the number of iterations.
1050 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1052 PR tree-optimization/27144
1053 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1054 (record_estimate): Only record constant upper bound.
1055 (infer_loop_bounds_from_undefined): Call
1056 compute_estimated_nb_iterations just once.
1057 (proved_non_wrapping_p): Renamed to ...
1058 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1059 (convert_step_widening, scev_probably_wraps_p): Call
1060 n_of_executions_at_most instead of proved_non_wrapping_p.
1061 (substitute_in_loop_info): Do not replace values in bounds.
1062 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1065 2006-05-01 Richard Henderson <rth@redhat.com>
1068 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1069 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1072 2006-05-01 Roger Sayle <roger@eyesopen.com>
1074 * c-typeck.c (parser_build_binary_op): Don't call the function
1075 unsigned_conversion_warning to spot operand/result type overflow.
1076 (build_binary_op): Instead, call convert_and_check instead of
1077 convert to report the problem when the operands are promoted.
1078 * c-common.c (unsigned_conversion_warning): Make static.
1079 * c-common.h (unsigned_conversion_warning): Delete prototype.
1081 2006-05-01 Richard Guenther <rguenther@suse.de>
1083 PR tree-optimization/26726
1084 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1086 (find_interesting_uses_address): ... we work around here
1087 by folding INDIRECT_REFs in the substituted base.
1089 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1091 * omp-low.c (dump_omp_region): Add newlines.
1093 2006-04-30 Roger Sayle <roger@eyesopen.com>
1095 * common.opt (Woverflow): New command line option.
1096 * c-common.c (constant_expression_warning): Check warn_overflow.
1097 (overflow_waring): Pass OPT_Woverflow to warning.
1098 (unsigned_conversion_warning): Likewise.
1099 (convert_and_check): Likewise.
1100 * doc/invoke.texi: Document new command line option.
1102 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1104 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1105 TARGET_NO_FP_IN_TOC for section anchors.
1106 (optimization_options): Enable section anchors for all
1107 non-"Objective" languages.
1109 2006-04-28 Eric Christopher <echristo@apple.com>
1111 * config/darwin-c.c (darwin_ms_struct): Move this
1112 (darwin_set_default_type_attributes): and this...
1113 * config/darwin.c: ... here.
1114 * config/darwin.h (darwin_ms_struct): Declare.
1116 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1120 2006-04-28 Roger Sayle <roger@eyesopen.com>
1123 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1124 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1125 an unsigned HOST_WIDE_INT.
1126 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1128 (really_start_incremental_init): No need to call convert because
1129 bitsize_zero_node is already of type bitsizetype.
1130 (push_init_level): Extract the value of constructor_index as an
1131 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1132 (process_init_element): Likewise.
1134 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1136 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1137 value before passing to make_relative_prefix.
1139 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1142 * builtins.c (expand_builtin_memset): Expand val in original mode.
1144 2006-04-27 Eric Christopher <echristo@apple.com>
1146 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1147 with #ifndef/#endif.
1148 * config/darwin-c.c (darwin_ms_struct): New.
1149 (darwin_pragma_ms_struct): Ditto.
1150 (darwin_set_default_type_attributes): Ditto.
1151 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1152 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1153 Register ms_struct pragma.
1154 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1155 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1156 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1157 darwin_set_default_type_attributes if TARGET_MACHO.
1159 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1161 PR tree-optimization/26854
1162 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1163 * doc/tree-ssa.texi: Update immuse iterator documentation.
1164 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1165 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1166 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1167 first_safe_imm_use, next_safe_imm_use): Remove.
1168 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1169 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1170 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1171 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1172 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1173 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1174 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1175 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1176 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1177 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1178 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1179 (perfect_nestify): Use new iterator.
1180 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1182 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1183 (next_imm_name): New field in struct immediate_use_iterator_d.
1184 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1185 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1186 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1187 * tree-cfg.c (replace_uses_by): Use new iterator.
1188 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1189 * tree-ssa-operands.c (correct_use_link): Remove.
1190 (finalize_ssa_use_ops): No longer call correct_use_link.
1192 2006-04-27 Stuart Hastings <stuart@apple.com>
1194 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1195 * config/t-darwin (crt3.o): Use it.
1196 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1197 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1198 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1199 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1200 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1203 2006-04-27 Roger Sayle <roger@eyesopen.com>
1205 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1206 size, force the intermediate into a new pseudo rather instead of
1207 performing both a bitwise AND and a bitwise IOR in memory.
1209 2006-04-27 Richard Guenther <rguenther@suse.de>
1211 PR rtl-optimization/26685
1212 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1213 this one "max-flow-memory-locations".
1215 2006-04-27 Richard Guenther <rguenther@suse.de>
1217 PR tree-optimization/25148
1218 * tree-vrp.c (compare_values): Remove code dealing with
1219 comparisons against type min/max value. Honour overflow
1220 and negative constants in code dealing with comparisons
1221 of plus and minus expressions.
1222 (value_inside_range): Use fold_binary with LE_EXPR and
1223 GE_EXPR rather than compare_values.
1225 2006-04-27 Dirk Mueller <dmueller@suse.de>
1227 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1230 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1232 * basic-block.h (safe_insert_insn_on_edge): Removed.
1233 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1235 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1236 Paolo Bonzini <bonzini@gnu.org>
1239 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1240 (simplify_and_const_int): Same.
1242 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1244 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1246 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1249 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1250 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1251 cgraph_global_info_ready.
1254 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1257 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1258 either decl or init is error_mark_node.
1261 * tree-flow.h (struct omp_region): Add sched_kind.
1262 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1263 instead of extracting omp for data.
1264 (expand_omp_for): Save extracted sched_kind.
1266 2006-04-25 Roger Sayle <roger@eyesopen.com>
1268 * expmed.c (store_bit_field): Also check whether the bitsize is
1269 valid for the machine's "insv" instruction before moving the
1270 target into a pseudo for use with the insv.
1271 * config/i386/predicates.md (const8_operand): New predicate.
1272 * config/i386/i386.md (extv, extzv, insv): Use the new
1273 const8_operand predicate where appropriate.
1275 2006-04-25 DJ Delorie <dj@redhat.com>
1277 * doc/install.texi (Specific): Clarify that this is not a list of
1278 supported hosts or targets.
1280 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1282 PR rtl-optimization/26725
1283 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1284 block's BB_DIRTY flag.
1286 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1288 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1291 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1292 to print an integer.
1294 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1296 * varasm.c (align_variable): New function.
1297 (get_block_for_decl): Apply align_variable to DECL before
1298 calculating section information.
1299 (assemble_variable): Split out alignment computation.
1301 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1303 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1306 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1308 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1309 MODE_PARTIAL_INT mode.
1310 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1311 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1313 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1314 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1316 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1318 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1320 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1321 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1322 MACFLAG_IH): Likewise.
1323 (movstricthi_1): Renamed from "*movstricthi".
1324 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1325 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1326 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1327 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1328 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1329 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1330 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1331 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1332 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1333 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1334 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1335 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1336 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1337 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1338 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1340 * doc/rtl.texi (ss_ashift): Improve wording.
1342 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1344 * dwarf2out.c (verify_marks_clear): New.
1345 (prune_unused_types): Call verify_marks_clear initially, not
1348 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1350 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1351 * doc/rtl.texi: Document them.
1352 * simplify-rtx.c (simplify_unary_operation,
1353 simplify_binary_operation_1): Don't abort when we see them.
1355 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1358 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1359 * configure.ac: Completely disregard languages that are not
1361 * configure: Regenerated.
1363 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1364 Richard Guenther <rguenther@suse.de>
1366 PR tree-optimization/27236
1367 * tree-inline.c (copy_body_r): Make sure to copy
1368 TREE_THIS_VOLATILE flag.
1370 2006-04-24 Richard Guenther <rguenther@suse.de>
1373 * tree-complex.c (update_parameter_components): Don't handle
1374 unused parameters which have no default def.
1376 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1377 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/27218
1380 * tree-inline.c (expand_call_inline): Strip useless type
1381 conversions for the return slot address.
1383 2006-04-24 Richard Guenther <rguenther@suse.de>
1385 * cfgloop.h (struct loops): Remove unused field array. Reorder
1387 (LOOP_PREFETCH): Remove.
1389 2006-04-24 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/22525
1392 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1393 variable, adjust types of generated expressions.
1395 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1397 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1398 (tree-vect-patterns.o): Likewise.
1400 (cselib.o): Likewise.
1401 (loop-doloop.o): Likewise.
1402 (regclass.o): Likewise.
1403 (reload1.o): Likewise.
1404 (explow.o): Replace target.h with $(TARGET_H).
1405 (ipa-prop.o): Likewise.
1406 (ipa-cp.o): Likewise.
1407 (ipa-inline.o): Likewise.
1408 (reorg.o): Likewise.
1409 (reg-stack.o): Likewise.
1411 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1413 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1415 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1417 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1419 * configure.ac: Completely disregard languages that are not
1421 * configure: Regenerated.
1424 * c-common.h (c_build_bitfield_integer_type): Declare.
1425 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1426 * c-common.c (c_build_bitfield_integer_type): ... here.
1428 2006-04-23 Roger Sayle <roger@eyesopen.com>
1431 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1432 a SImode SUBREG of a floating point register after no_new_pseudos.
1434 2006-04-23 Roger Sayle <roger@eyesopen.com>
1436 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1437 identify potentially eliminable registers to additionally catch
1438 VIRTUAL_INCOMING_ARGS_REGNUM.
1439 (addsi3): Update the conditions on when to use addsi_small_int.
1441 2006-04-23 Roger Sayle <roger@eyesopen.com>
1444 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1445 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1446 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1448 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1450 * fold-const.c (range_predecessor): Use operand_equal_p
1451 as the predicate for equality.
1452 (range_successor): Likewise.
1454 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1457 * config/soft-fp/op-common.h: Fix a typo.
1459 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1462 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1463 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1465 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1467 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1469 * doc/tm.texi: Fix a typo.
1471 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1473 * dwarf2out.c (struct die_struct): Document that die_sib makes
1474 a circular linked list.
1475 (FOR_EACH_CHILD): New.
1476 (reverse_die_lists): Delete.
1477 (reverse_all_dies): Delete.
1478 (add_dwarf_attr): Correct documentation.
1479 (remove_child_with_prev): New.
1480 (remove_child_TAG): Update for change to die_struct, use
1481 remove_child_with_prev.
1482 (add_child_die): Update for change to die_struct.
1483 (splice_child_die): Use remove_child_with_prev and add_child_die.
1484 (print_die): Use FOR_EACH_CHILD.
1485 (die_checksum): Likewise.
1486 (assign_symbol_names): Likewise.
1487 (output_location_lists): Likewise.
1488 (build_abbrev_table): Likewise.
1489 (calc_die_sizes): Likewise.
1490 (mark_dies): Likewise.
1491 (unmark_dies): Likewise.
1492 (unmark_all_dies): Likewise.
1493 (output_die): Likewise.
1494 (prune_unused_types_mark): Likewise.
1495 (prune_unused_types_walk): Likewise.
1496 (same_die_p): Update for change to die_struct.
1497 (break_out_includes): Likewise.
1498 (prune_unused_types_prune): Likewise.
1499 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1500 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1502 (dwarf2out_finish): Don't call reverse_all_dies.
1504 2006-04-21 Eric Christopher <echristo@apple.com>
1506 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1507 in comments and function names.
1509 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1512 * c-typeck.c (digest_init): Robustify.
1514 * c-typeck.c (pop_init_level): Simplify.
1516 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1518 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1520 2006-04-21 Paul Brook <paul@codesourcery.com>
1522 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1523 hardware floating point.
1525 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1527 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1530 2006-04-21 Nick Clifton <nickc@redhat.com>
1532 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1535 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1538 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1539 C++ lang type in traceback table for Objective-C++.
1541 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1543 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1545 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1547 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1550 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1551 were errors. Remove check for erroneous objects.
1553 2006-04-20 Jeff Law <law@redhat.com>
1555 PR tree-optimization/26854
1556 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1557 checking for zero or one use.
1558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1559 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1560 * tree-ssa-reassoc.c (negate_value): Similarly.
1561 (reassociate_bb): Similarly.
1563 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1565 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1566 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1567 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1569 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1571 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1572 fp regs if the last fp arg doesn't fit in regs.
1574 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1577 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1578 that the last insn has the REG_INC note.
1580 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1581 Nathan Sidwell <nathan@codesourcery.com>
1584 * stor-layout.c (update_alignment_for_field): Do not align
1586 (place_union_field): Place union field at the start of the union.
1587 (place_field): Move ERROR_MARK check later, and use the current
1588 allocation position to maintain monotonicity.
1590 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1592 * dominance.c: Include timevar.h.
1593 (calculate_dominance_info): Use TV_DOMINANCE.
1594 * timevar.def (TV_DOMINANCE): New timevar.
1595 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1597 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1599 PR rtl-optimization/14261
1600 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1601 move would be an INSV insn.
1602 (noce_process_if_block): Don't optimize if the destination is a
1603 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1605 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1607 * config/s390/s390.md: Add comments with the instructions emitted
1608 by an insn pattern if macros are used.
1610 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1612 PR rtl-optimization/26026
1613 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1614 is a known power of two shifted left a variable amount.
1616 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1618 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1619 to hash table twice when the debug_str section has SECTION_MERGE.
1621 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1623 * config/soft-fp: New directory. From glibc.
1624 * config/soft-fp/t-softfp: New.
1625 * config/soft-fp/README: New.
1626 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1627 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1628 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1629 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1630 * config.gcc: Use rs6000/t-fprules-fpbit or
1631 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1633 * config/rs6000/sfp-machine.h: New. Based on glibc.
1634 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1636 * config/rs6000/t-fprules: Remove fp-bit rules.
1637 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1638 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1639 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1640 (softfp_wrap_start, softfp_wrap_end): New.
1642 2006-04-18 DJ Delorie <dj@redhat.com>
1644 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1646 2006-04-18 Devang Patel <dpatel@apple.com>
1648 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1650 2006-04-18 Nick Clifton <nickc@redhat.com>
1652 * config/sh/t-symbian: Add rule to build sh-c.o
1653 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1654 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1655 (sh_symbian_encode_section_info): Likewise.
1657 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1659 * builtins.c (expand_builtin_strcmp): Cover label definition of
1660 do_libcall with HAVE_cmpstrnsi.
1662 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1664 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1666 * function.h (temp_slot_p): New.
1667 (function): Change the type of x_used_temp_slots to
1668 VEC(temp_slot_p,gc) *.
1670 2006-04-18 Nick Clifton <nickc@redhat.com>
1672 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1673 flag_strength_reduce.
1675 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1677 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1681 Partial revert of revision 112637
1682 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1683 Dale Johannesen <dalej@apple.com>
1686 * regclass.c (struct reg_pref): Update documentation.
1687 (regclass): Set prefclass to NO_REGS if memory is the best option.
1688 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1690 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1692 PR tree-optimization/26821
1693 * tree-ssa-math-opts.c (get_constant_one): New.
1694 (insert_reciprocals): Use it.
1696 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1698 * dwarf2out.c (free_AT): Delete.
1699 (remove_AT): Update string ref counts.
1700 (remove_child_TAG): Don't call free_die.
1702 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1703 or DW_TAG_GNU_EINCL.
1704 (prune_unused_types_walk_attribs): Reset string refcounts.
1705 (prune_unused_types_update_strings): New.
1706 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1707 call free_die. Do call prune_unused_types_update_strings.
1708 (prune_unused_types): Empty debug_str_hash.
1710 2006-04-17 Roger Sayle <roger@eyesopen.com>
1712 * expr.c (expand_assignment): Optimize away no-op moves where the
1713 source and destination are equal and have no side-effects.
1715 2006-04-17 Richard Guenther <rguenther@suse.de>
1718 * reload.c (push_reload): Guard calls to get_secondary_mem
1721 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1723 * alias.c (reg_base_value, old_reg_base_value): Change the
1724 type to VEC(rtx,gc) *.
1725 (REG_BASE_VALUE, find_base_value, record_set,
1726 init_alias_analysis): Use VEC instead of VARRAY.
1728 * alias.c (alias_sets): Change the type to
1729 VEC(alias_set_entry,gc) *.
1730 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1731 VEC instead of VARRAY.
1732 (last_alias_set): Remove.
1734 * cgraph.h (cgraph_edge_p): New.
1735 Update the prototype of cgraph_function_versioning.
1736 * cgraphunit.c (cgraph_copy_node_for_versioning,
1737 cgraph_function_versioning): Use VEC instead of VARRAY.
1738 * ipa-cp.c (ipcp_insert_stage): Likewise.
1740 2006-04-16 Roger Sayle <roger@eyesopen.com>
1743 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1744 "A op B" or "A op C", we may need to convert A to the type of B and C.
1746 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1748 * target.h (struct gcc_target): Add mode_rep_extended.
1749 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1750 (init_num_sign_bit_copies_in_rep): Initialize it using
1752 (truncate_to_mode): Use it.
1753 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1754 * targhooks.h (default_mode_rep_extended): Declare it.
1755 * targhooks.c (default_mode_rep_extended): Define it.
1756 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1757 default_mode_rep_extended.
1758 (TARGET_INITIALIZER): Include it.
1759 * doc/tm.texi (Misc): Document it.
1760 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1761 (mips_truncated_to_mode): New function.
1763 2006-04-16 Roger Sayle <roger@eyesopen.com>
1766 * expr.c (compress_float_constant): Copy the narrow constant into
1767 a new pseudo before extending it to its final width.
1769 2006-04-16 Roger Sayle <roger@eyesopen.com>
1770 Andrew Pinski <pinskia@gcc.gnu.org>
1771 Dale Johannesen <dalej@apple.com>
1774 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1775 special case code to implement V8HImode and V16QImode with SSE2.
1777 2006-04-15 Roger Sayle <roger@eyesopen.com>
1779 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1780 trees are constructed with a suitable tree type.
1782 2006-04-15 Roger Sayle <roger@eyesopen.com>
1784 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1785 (integer_onep): Likewise.
1786 (integer_all_onesp): Likewise.
1787 (integer_pow2p): Likewise.
1788 (integer_nonzerop): Likewise.
1789 (real_zerop): Likewise.
1790 (real_onep): Likewise.
1791 (real_twop): Likewise.
1792 (real_minus_onep): Likewise.
1793 (int_size_in_bytes): Likewise.
1794 (host_integerp): Likewise.
1796 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1798 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1799 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1800 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1802 * tree-ssa-structalias.h (alias_info): Remove num_references.
1804 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1806 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1807 (output_bvb patterns): Likewise.
1808 * pa.c (output_bb): Use 'bb' insn for long branch case.
1809 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1810 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1811 1. Correct length operand for alternatives 1 and 2.
1812 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1813 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1815 2006-04-14 Roger Sayle <roger@eyesopen.com>
1817 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1818 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1819 were accidentally reverted by r112959.
1821 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1824 * except.h (eh_region_outermost): New prototype.
1825 * except.c (eh_region_outermost): New function.
1826 * tree-cfg.c (find_outermost_region_in_block): Use it.
1828 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1830 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1832 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1833 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1834 (init_reload, reload): Use VEC instead of VARRAY.
1835 * reload.h: Update the prototype for
1836 reg_equiv_memory_loc_varray.
1838 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1839 Eric Botcazou <ebotcazou@libertysurf.fr>
1841 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1844 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1847 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1848 to expand fallback builtin function call.
1850 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1853 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1854 and emit libcall here in case the builtin fails.
1855 (expand_builtin_strcmp): Always emit the libcall here on failure.
1857 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1859 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1860 * flow.c (reg_n_info): Change the type to
1861 VEC(reg_info_p,heap) *.
1862 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1864 * regs.h (reg_info_p): New.
1865 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1866 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1867 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1870 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1872 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1874 * params.h (MAX_SCHED_READY_INSNS): New macro.
1875 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1876 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1877 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1878 the ready list for 1 cycle during the first scheduling pass.
1879 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1881 2006-04-13 Richard Henderson <rth@redhat.com>
1884 * gimple-low.c (lower_omp_directive): Remove dead code.
1885 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1886 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1887 * omp-low.c (struct omp_region): Move to tree-flow.h.
1888 (root_omp_region): Export.
1889 (omp_regions, lookup_omp_region): Remove.
1890 (determine_parallel_type): Update for struct omp_region changes.
1891 (dump_omp_region): Dump regions with block numbers.
1892 (new_omp_region): Take type and block instead of stmt; malloc
1894 (free_omp_region_1, free_omp_regions): New.
1895 (expand_parallel_call): Take entry_stmt as argument; update for
1896 changes to omp_region.
1897 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1898 (remove_exit_barriers): New.
1899 (expand_omp_parallel): Update for struct omp_region changes.
1900 (expand_omp_synch): Likewise.
1901 (expand_omp): Likewise.
1902 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1903 (expand_omp_for_static_chunk): Likewise.
1904 (expand_omp_for): Likewise.
1905 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1906 (expand_omp_sections): Similarly, with GOMP_sections_end.
1907 (expand_omp_single): New.
1908 (build_omp_regions_1): Update for OMP_CONTINUE.
1909 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1910 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1911 OMP_SECTIONS_SECTIONS.
1912 (lower_omp_single_simple): Don't emit barrier here.
1913 (lower_omp_single_copy): Likewise.
1914 (lower_omp_single): Fix bindings, and lower to straightline now.
1915 (lower_omp_master, lower_omp_ordered): Likewise.
1916 (lower_omp_critical): Likewise.
1917 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1918 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1919 omp edges, free it afterward.
1920 (make_omp_sections_edges): Remove.
1921 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1922 (move_stmt_r): Handle OMP_CONTINUE.
1923 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1924 statement pointers to basic blocks. Add type member.
1925 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1926 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1927 * tree-inline.c (estimate_num_insns_1): Likewise.
1928 * tree-pretty-print.c (dump_generic_node): Likewise.
1929 * tree-ssa-operands.c (get_expr_operands): Likewise.
1930 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1931 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1932 (OMP_CONTINUE): New.
1933 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1934 (OMP_SECTIONS_SECTIONS): Remove.
1935 (OMP_SECTION_LAST): New.
1936 (OMP_RETURN_NOWAIT): New.
1938 2006-04-13 Roger Sayle <roger@eyesopen.com>
1940 * fold-const.c (native_encode_vector, native_interpret_real):
1941 Correct obvious mistakes in the previous check-in.
1943 2006-04-13 Roger Sayle <roger@eyesopen.com>
1945 * fold-const.c (native_encode_expr): New function to encode
1946 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1947 or VECTOR_CST into a specified buffer.
1948 (native_encode_int): New function.
1949 (native_encode_real): New function.
1950 (native_encode_complex): New function.
1951 (native_encode_vector): New function.
1952 (native_interpret_expr): Inverse of native_encode_expr to convert
1953 a target representation into an INTEGER_CST, REAL_CST etc...
1954 (native_interpret_int): New function.
1955 (native_interpret_real): New function.
1956 (native_interpret_complex): New function.
1957 (native_interpret_vector): New function.
1958 (fold_view_convert_expr): New function to constant fold/evaluate
1959 a VIEW_CONVERT_EXPR of a suitable constant expression.
1960 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1961 Change call of build1 to fold_build1 when constructing a
1964 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1965 Ulrich Weigand <uweigand@de.ibm.com>
1968 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1971 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1974 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1975 optimize to lo_sum for DFmode if !TARGET_FPRS.
1977 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1979 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1980 delete_alias_info, compute_flow_sensitive_aliasing,
1981 group_aliases): Use VEC instead of VARRAY.
1982 * tree-ssa-structalias.c (update_alias_info): Likewise.
1983 * tree-ssa-structalias.h (alias_info): Change the type of
1984 processed_ptrs to VEC(tree,heap) *.
1986 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1989 * config/sh/lib1funcs.h: New file, broken out of:
1990 * config/sh/lib1funcs.asm.
1991 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1993 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1994 * config/sh/lib1funcs-Os-4-200.asm: New file.
1995 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1996 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1997 (EXTRA_MULTILIB_PARTS): Include it.
1998 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1999 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2000 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2001 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2004 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2006 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2007 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2008 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2010 * tree-ssa-live.h: Include vecprim.h.
2011 (tree_partition_associator_d): Change the type of
2012 first_partition to VEC(int,heap) *.
2013 (tpa_first_partition): Use VEC instead of VARRAY.
2015 * Makefile.in (GTFILES): Move functions.h after tree.h.
2016 * function.c (reset_block_changes, record_block_change,
2017 check_block_change, free_block_changes): Use VEC instead of
2019 * function.h (function): Change the type of
2020 ib_boundaries_block to VEC(tree,gc) *.
2021 * tree-inline.c (copy_cfg_body): Initialize
2022 ib_boundaries_block to NULL instead of (varray_type) 0.
2024 2006-04-12 Roger Sayle <roger@eyesopen.com>
2026 * expr.c (emit_group_store): Correct operand order in call to
2027 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2028 a SUBREG_BYTE of zero.
2030 2006-04-12 Richard Guenther <rguenther@suse.de>
2032 * profile.c (compute_branch_probabilities): Remove code
2033 encapsulated in !ir_type (), which are remanents of the
2034 removed RTL profiling code.
2035 * rtl-profile.c: Remove.
2037 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2039 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2040 magic NULL_RTX comment.
2041 (function_arg): Store entire fp arg to mem if any part should go
2043 (rs6000_arg_partial_bytes): Adjust for above change.
2045 2006-04-11 Roger Sayle <roger@eyesopen.com>
2047 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2048 if it hasn't been initialized by dwarf2out_init.
2050 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2052 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2053 symbolic constants in branch patterns.
2055 2006-04-11 Roger Sayle <roger@eyesopen.com>
2057 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2059 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2061 PR rtl-optimization/27073
2062 * gcse.c (try_replace_reg): Revert last change. Continue to search
2063 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2066 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2068 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2069 aggregate types other than record and union types.
2070 (function_arg): Likewise.
2071 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2073 (function_value): In 64-bit mode, return objects that require it
2076 2006-04-11 Roger Sayle <roger@eyesopen.com>
2078 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2080 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2082 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2084 2006-04-03 Jeff Law <law@redhat.com>
2087 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2088 alias information too.
2090 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2092 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2094 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2097 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2098 (premark_used_types_helper): New.
2099 (premark_used_types): New.
2100 (gen_subprogram_die): Call premark_used_types.
2101 (prune_unused_types_walk): Do not prune perennial dies.
2102 * function.c (used_types_insert): New.
2103 * function.h (struct function): Add used_types_hash field.
2104 (used_types_insert): Add prototype.
2105 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2106 * c-parser.c (c_parser_cast_expression): Save casted types in used
2109 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2112 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2113 rs6000_explicit_options.float_gprs.
2115 2006-04-10 Roger Sayle <roger@eyesopen.com>
2117 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2118 from ix86_expand_vector_init_low_nonzero. Take an additional
2119 one_var argument indicating which element is non-zero. Support
2120 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2121 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2122 with one_var instead of ix86_expand_vector_init_low_nonzero.
2124 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2126 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2127 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2128 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2129 build/genextract.o): Depend on vecprim.h.
2130 * cfglayout.c, df-problems.c, function.c, genextract.c,
2131 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2132 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2136 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2138 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2139 Declare VECs of this type.
2140 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2141 (remove_children): Delete.
2142 (add_dwarf_attr): Use VEC routines.
2143 (add_AT_flag): Update for changes to add_dwarf_attr.
2144 (add_AT_int): Likewise.
2145 (add_AT_unsigned): Likewise.
2146 (add_AT_long_long): Likewise.
2147 (add_AT_vec): Likewise.
2148 (add_AT_string): Likewise.
2149 (add_AT_die_ref): Likewise.
2150 (add_AT_fde_ref): Likewise.
2151 (add_AT_loc): Likewise.
2152 (add_AT_loc_list): Likewise.
2153 (add_AT_addr): Likewise.
2154 (add_AT_lbl_id): Likewise.
2155 (add_AT_lineptr): Likewise.
2156 (add_AT_macptr): Likewise.
2157 (add_AT_offset): Likewise.
2158 (add_AT_range_list): Likewise.
2159 (get_AT): Use VEC_iterate.
2160 (remove_AT): Use VEC_ordered_remove.
2161 (free_die): Fold remove_children into here; have it use VEC_iterate.
2162 (print_die): Use VEC_iterate on attrs.
2163 (reverse_die_lists): Don't reverse attr lists.
2164 (die_checksum): Use VEC_iterate on attrs.
2165 (same_die_p): Likewise.
2166 (output_location_lists): Likewise.
2167 (build_abbrev_table): Likewise.
2168 (size_of_die): Likewise.
2169 (unmark_all_dies): Likewise.
2170 (output_abbrev_section): Likewise.
2171 (output_die): Likewise.
2172 (prune_unused_types_walk_attribs): Likewise.
2174 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2176 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2178 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2181 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2183 2006-04-09 Roger Sayle <roger@eyesopen.com>
2185 * expr.c (store_constructor): Don't bother clearing target if
2186 we're about to assign a vector to it using vec_init_optab.
2188 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2190 * tree-ssa-alias.c (lhs_may_store_to): New function.
2191 (recalculate_used_alone): Handle LHS of calls.
2193 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2197 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2198 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2199 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2200 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2201 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2202 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2203 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2204 stubs. Add ".align 8" directives before all ".dword" directives.
2205 (GTHREAD_USE_WEAK): Revise comment.
2206 (TARGET_ATTRIBUTE_WEAK): Define.
2207 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2208 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2209 * stublib.c: New file.
2214 * pa.md (cbranch patterns): Revise arguments used in calls to
2215 output_cbranch, output_bb and output_bvd. Add long branch length
2217 (fbranch patterns): Handle long branches.
2218 (jump): Revise length check. Revise arguments for output_lbranch call.
2219 Add long branch length attributes.
2220 (decrement_and_branch_until_zero): Add long branch length attributes.
2221 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2222 Likewise. Revise arguments for output_parallel_addb and
2223 output_parallel_movb calls.
2224 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2225 output_parallel_movb and output_parallel_addb): Update prototypes.
2226 * pa.c (output_cbranch): Revise arguments. Correct handling of
2227 nullification in long branches.
2228 (output_lbranch): Add new argument to control extraction of delay
2230 (output_bb): Handle long branches.
2231 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2232 output_parallel_addb): Likewise.
2234 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2236 PR rtl-optimization/27073
2237 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2240 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2242 * tree.h (tree_memory_tag): Add old_used_alone.
2243 (SMT_OLD_USED_ALONE): New macro.
2244 * tree-ssa-alias.c (recalculate_used_alone): Stop
2245 marking things for renaming unnecessarily.
2247 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2249 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2250 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2251 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2252 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2253 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2254 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2255 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2256 spelling convensions.
2257 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2258 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2259 typos. Follow spelling conventions.
2261 2006-04-07 DJ Delorie <dj@redhat.com>
2263 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2264 passed on the stack.
2265 (m32c_init_cumulative_args): When a function returns a structure,
2266 always pass the pointer to that return area on the stack.
2267 (m32c_function_arg_advance): Don't increment the parameter number
2268 if we're processing the returned structure pointer.
2269 (pushm_info): Reverse order of registers.
2271 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2273 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2274 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2275 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2276 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2278 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2279 chrec_fold_multiply): Same.
2280 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2281 force_expr_to_var_cost): Same.
2282 * tree-mudflap.c (mf_xform_derefs_1): Same.
2283 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2285 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2287 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2288 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2291 2006-04-07 Jan Hubicka <jh@suse.cz>
2293 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2295 2006-04-07 Richard Guenther <rguenther@suse.de>
2297 PR tree-optimization/26135
2298 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2299 loads for store copy-prop.
2300 (copy_prop_visit_stmt): Likewise.
2302 2006-04-05 Robert Millan <robertmh@gnu.org>
2304 * config/i386/linux.h: Add a comment to mark macros that are
2305 being overriden in config/k*bsd-gnu.h.
2306 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2308 * config/knetbsd-gnu.h: Ditto.
2310 2006-04-06 Jan Hubicka <jh@suse.cz>
2314 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2317 2006-04-06 Mike Stump <mrs@apple.com>
2319 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2320 for HAVE_nonlocal_goto to be consistent.
2321 (expand_builtin_nonlocal_goto): Likewise.
2322 (expand_builtin_strcmp): Use #ifdef instead of #if
2323 for HAVE_cmpstrnsi to be consistent.
2325 2006-04-05 DJ Delorie <dj@redhat.com>
2327 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2330 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2332 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2333 got-relative addressing for anything but SImode.
2335 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2336 even if the calling function doesn't modify them.
2338 2006-04-05 Richard Guenther <rguenther@suse.de>
2340 PR tree-optimization/26919
2341 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2342 to cgraph_estimate_size_after_inlining.
2344 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2346 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2348 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2350 PR tree-optimization/26996
2351 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2352 VECTOR_TYPE variables.
2354 2006-04-05 Richard Guenther <rguenther@suse.de>
2356 PR tree-optimization/26763
2357 * fold-const.c (fold_comparison): Move folding of
2358 PTR + CST CMP PTR + CST ...
2359 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2361 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2363 * doc/install.texi (Prerequisites): Refine some wording on
2364 bootstrapping and ksh.
2365 Move the version numbers of DejaGnu here from the testing section
2366 and fix casing of names.
2367 Fix markup and clarify wording for autogen requirements.
2368 Refer to GCJ instead of just java.
2369 Refer to SVN instead of CVS.
2370 Describe diffutils as useful instead of necessary.
2371 (Downloading the source): Refer to SVN instead of CVS.
2372 Adjust a link to our web site accordingly.
2373 (Configuration): Fix casing of Bison.
2374 (Building): Refer to SVN instead of CVS.
2375 Fix a sentence on the use of Bison and remove duplicate (and
2376 incorrect) version number of Bison requirement.
2377 Remove one redundant list of packages needed for building.
2378 (Specific): Avoid reference to CVS.
2380 2006-04-04 Eric Christopher <echristo@apple.com>
2382 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2383 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2384 (rs6000_handle_struct_attribute): New.
2385 (rs6000_ms_bitfield_layout_p): Ditto.
2387 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2389 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2390 NULL for dso parameter to atexit_common.
2392 2006-04-04 Eric Christopher <echristo@apple.com>
2394 * config/i386/i386.c (machopic_output_stub): Output \t
2395 between instructions and operands.
2397 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2399 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2400 satisfies_constraint_[IL] to explicit tests on value.
2402 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2404 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2405 set_nb_iterations_in_loop): Use build_int_cst instead of
2407 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2408 build_int_cst instead of convert.
2410 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2412 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2413 new value 2 for incoming.
2414 * function.c (expand_function_start): Call struct_value_rtx
2416 * config/sparc/sparc.md: Comment updated_return.
2417 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2418 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2419 struct return if sparc_std_struct_return and incoming is 2.
2420 (print_operand): Do not adjust return if
2421 sparc_std_struct_return.
2423 2006-04-04 Roger Sayle <roger@eyesopen.com>
2425 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2426 convert in the middle-end.
2427 * expr.c (store_expr, store_constructor, get_inner_reference,
2428 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2430 * tree.c (build_range_type): Likewise.
2432 2006-04-04 Tom Tromey <tromey@redhat.com>
2434 * doc/install.texi (Prerequisites): Mention jar.
2436 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2438 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2441 2006-04-04 Matthias Klose <doko@debian.org>
2443 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2444 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2447 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2449 * doc/extend.texi (Function Attributes): Rewrite visibility
2450 attribute documentation.
2451 * doc/invoke.texi (C++ Dialect Options): Rewrite
2452 -fvisibility-inlines-hidden documentation to describe something
2453 entirely different, although in practise compatible.
2454 (Code Gen Options): Warn about system headers in -fvisibiltity=
2457 * doc/extend.texi (Other Builtins): Document that
2458 __builtin_nan is a compile-time constant only when its argument
2461 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2463 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2464 trying to remove TRUNCATE check if all bits outside the new mode
2465 are identical to the sign bit.
2467 2006-04-03 Jeff Law <law@redhat.com>
2469 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2470 and operand scanning in some common cases.
2472 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2473 Dale Johannesen <dalej@apple.com>
2476 * regclass.c (struct reg_pref): Update documentation.
2477 (regclass): Set prefclass to NO_REGS if memory is the best option.
2478 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2479 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2480 into account. For non-registers, equate an empty preferred
2481 reload class to a `!' in the constraint; move the if clause to
2482 do so after those that reject the insn.
2483 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2485 (find_dummy_reload): Likewise.
2486 * doc/tm.texi (Register Classes): Document what it means
2487 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2488 * config/i386/i386.c (ix86_preferred_reload_class): Force
2489 using SSE registers (and return NO_REGS for floating-point
2490 constants) if math is done with SSE.
2491 (ix86_preferred_output_reload_class): New.
2492 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2493 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2494 * config/i386/i386.md: Remove # register preferences.
2496 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2499 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2500 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2501 the type of nb_iter.
2502 (instantiate_parameters_1): Convert the operands before calling
2503 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2504 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2506 2006-04-02 Roger Sayle <roger@eyesopen.com>
2508 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2509 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2511 * dojump.c (do_jump): Likewise.
2512 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2513 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2514 gimplify_boolean_expr): Likewise.
2515 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2516 * varasm.c (array_size_for_constructor): Likewise.
2517 * tree-object-size.c (compute_object_offset): Likewise.
2519 2006-04-02 Roger Sayle <roger@eyesopen.com>
2522 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2523 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2525 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2527 PR tree-optimization/26939
2528 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2530 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2532 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2533 at_stmt. Convert the type of operands before calling
2534 build_polynomial_chrec.
2535 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2537 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2538 (instantiate_parameters_1): Convert the type of operands before calling
2539 build_polynomial_chrec.
2540 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2541 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2542 reset_evolution_in_loop): Insert asserts to check the types of the
2544 (chrec_type): Moved...
2545 (eq_evolutions_p): Use operand_equal_p.
2546 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2547 the types of the operands.
2548 (chrec_type): ...here.
2549 * tree-data-ref.c (create_data_ref): Convert the operands before
2550 calling chrec_replace_initial_condition.
2551 (same_access_functions, analyze_subscript_affine_affine,
2552 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2553 (compute_subscript_distance, analyze_ziv_subscript,
2554 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2555 analyze_miv_subscript): Convert the operands before calling
2556 chrec_fold_minus or chrec_fold_plus.
2558 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2560 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2561 the dependence_relations vector.
2562 (compute_data_dependences_for_loop): Adjust call to
2563 compute_all_dependences.
2565 2006-04-01 Roger Sayle <roger@eyesopen.com>
2566 Richard Henderson <rth@redhat.com>
2568 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2569 gimple_boolify on the condition before calling gimplify_expr.
2571 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2573 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2574 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2575 the frame size. Update to use the new macros.
2576 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2577 * config/xtensa/ieee754-df.S: Likewise.
2579 2006-03-31 Richard Henderson <rth@redhat.com>
2581 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2582 (make_edges): ... here. Control fallthru creation with a local
2583 variable. Do not play with fake edges.
2584 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2585 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2588 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2590 * dwarf2.h (DW64_CIE_ID): Define.
2591 * dwarf2out.c (DWARF_CIE_ID): Define.
2592 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2593 length header. Use DWARF_CIE_ID.
2594 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2595 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2597 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2599 * config/sh/linux-atomic.asm: New file.
2600 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2602 2006-03-31 DJ Delorie <dj@redhat.com>
2604 * config/m32c/cond.md: Set condition flags properly throughout.
2605 * config/m32c/minmax.md: Likewise.
2606 * config/m32c/prologue.md: Likewise.
2607 * config/m32c/bitops.md: Likewise.
2608 * config/m32c/muldiv.md: Likewise.
2609 * config/m32c/mov.md: Likewise.
2610 * config/m32c/addsub.md: Likewise.
2611 * config/m32c/m32c.md: Likewise.
2612 * config/m32c/jump.md: Likewise.
2613 * config/m32c/shift.md: Likewise.
2615 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2616 conditionally output the pattern for this.
2617 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2618 (m32c_compare_redundant): New.
2619 (m32c_output_compare): New.
2620 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2622 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2623 dest, not src. Allow other 4-byte modes.
2625 2006-03-30 Denis Chertykov <denisc@overta.ru>
2627 * doc/md.texi: Refer to avr/constraints.md instead of
2630 2006-03-30 Roger Sayle <roger@eyesopen.com>
2632 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2633 signed vs. unsigned comparison failures on some hosts.
2635 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2638 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2639 change to FLOAT_REGS.
2641 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2642 (rs6000_override_options): Use it.
2643 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2644 only for -mabi=spe/no-spe and -mabi=altivec.
2646 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2648 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2651 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2653 * Makefile.in: Rename docdir to gcc_docdir.
2655 2006-03-30 Roger Sayle <roger@eyesopen.com>
2658 * expr.c (emit_group_store): Optimize group stores into a pseudo
2659 register by using a paradoxical subreg to initialize the destination
2660 if the first or last member of the group specifies a "low part".
2662 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2665 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2666 * target.h (struct gcc_target.speculate_insn): Change type of the
2667 second parameter to 'int'.
2668 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2669 the second operand of the DEPS_LIST.
2670 (copy_DEPS_LIST_list): Update reference to the second operand of the
2672 * rtl.h (alloc_DEPS_LIST): Update signature.
2673 * sched-int.h (ds_t): Change typedef to 'int'.
2674 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2676 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2678 * haifa-sched.c (try_ready): Change condition to restore
2679 non-speculative pattern of the instruction.
2680 (process_insn_depend_be_in_spec): Code to keep probability of the
2681 speculative dependence non-decreasing.
2683 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2685 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2686 (single_move_for_movmem): ... this. Also change all uses.
2687 (bfin_expand_strmov): Renamed to...
2688 (bfin_expand_movmem): ... this. Also change all uses.
2689 * config/bfin/bfin.md (movstrsi): Renamed to...
2690 (movstrsi): ...this.
2692 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2694 PR tree-optimization/26830
2696 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2697 (copy_prop_visit_stmt): Remove write-only variable ann.
2698 (init_copy_prop): Check variable loop depth here. Do not simulate
2699 memory-tag and virtual operand PHIs except for store copy prop.
2701 2006-03-30 Richard Guenther <rguenther@suse.de>
2703 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2704 variants with double arguments.
2706 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2708 * genpreds.c (write_tm_constrs_h): Delete variable p.
2709 * genconditions.c (write_header): Add tm-constrs.h to included
2711 * genpeep.c (main): Add toplev.h to included headers.
2712 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2713 (build/genpeep.o): Add toplev.h dependency.
2714 * config/rs6000/constraints.md: Add "W" constraint.
2716 2006-03-29 Roger Sayle <roger@eyesopen.com>
2718 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2719 sizes by correctly testing whether the size fits a host integer.
2720 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2721 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2722 SImode range for the default sizetype and bitsizetype.
2724 2006-03-29 Roger Sayle <roger@eyesopen.com>
2726 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2727 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2728 quickly if the argument is already of the correct type.
2729 Call fold_build1 instead of build1. Tidy up blank lines.
2731 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2733 * genemit.c (main): Add tm-constrs.h to included headers.
2734 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2735 * genpeep.c (main): Add tm-constrs.h to included headers.
2736 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2737 (write_tm_constrs_h): this and write complete file.
2738 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2739 (write_insn_preds_c): Add tm-constrs.h to included headers.
2740 (gen_constrs): New variable.
2741 (parse_option): Parse "-c".
2742 (main): Invoke write_tm_constrs_h.
2743 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2744 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2745 (object_out_file): Add tm-constrs.h dependency.
2746 (insn-emit.o): Same.
2747 (insn-output.o): Same.
2748 (insn-peep.o): Same.
2749 (insn-preds.o): Same.
2750 (insn-recog.o): Same.
2751 (tm-constsr.h): New target.
2752 (s-constrs-h): New target.
2754 * config/rs6000/constraints.md: New file.
2755 * config/rs6000/rs6000.c: Include tm-constrs.h.
2756 (num_insn_constant_wide): Convert to satisfies_constraint.
2757 (rs6000_rtx_costs): Convert to satisfies_constraint.
2758 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2759 (CONST_OK_FOR_LETTER_P): Delete.
2760 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2761 (EXTRA_CONSTRAINT): Delete.
2762 (EXTRA_MEMORY_CONSTRAINT): Delete.
2763 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2764 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2765 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2766 satisfies_constraint.
2768 * config/i386/i386.c: Include tm-constrs.h.
2770 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2772 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2773 * tree-data-ref.c (find_data_references_in_loop,
2774 compute_data_dependences_for_loop): Use pointers to VEC.
2775 (analyze_all_data_dependences): Adjust calls.
2776 * tree-data-ref.h (find_data_references_in_loop,
2777 compute_data_dependences_for_loop): Adjust declarations.
2778 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2779 compute_data_dependences_for_loop.
2781 2006-03-29 Paul Brook <paul@codesourcery.com>
2783 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2786 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2788 PR tree-optimization/26859
2789 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2791 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2792 for the step after fold_convert.
2794 2006-03-29 Paul Brook <paul@codesourcery.com>
2796 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2797 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2799 2006-03-29 Paul Brook <paul@codesourcery.com>
2802 * targhooks.c (default_narrow_bitfield): New fuction.
2803 * targhooks.h (default_narrow_bitfield): add prototype.
2804 * target.h (gcc_target): Add narrow_volatile_bitfield.
2805 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2806 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2807 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2808 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2810 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2812 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2814 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2815 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2816 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2817 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2818 (s390_function_arg_float): Allow SDmode and DDmode values to be
2819 passed in floating point registers.
2820 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2821 check with SCALAR_FLOAT_MODE_P.
2822 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2824 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2826 PR tree-optimization/25985
2827 * tree-ssa-loop-niter.c (number_of_iterations_le,
2828 number_of_iterations_ne): Make comments more precise.
2829 (number_of_iterations_cond): Add only_exit argument. Use the
2830 fact that signed variables do not overflow only when only_exit
2832 (loop_only_exit_p): New.
2833 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2834 number_of_iterations_cond.
2836 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2838 PR tree-optimization/26643
2839 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2842 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2844 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2845 (divsi3_i4_int): Likewise.
2847 2006-03-28 Roger Sayle <roger@eyesopen.com>
2849 * expr.c (emit_group_store): Only create a new pseudo reg if the
2850 quantity it needs to hold isn't already a suitable pseudo.
2852 2006-03-28 Jeff Law <law@redhat.com>
2854 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2855 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2857 2006-03-28 Roger Sayle <roger@eyesopen.com>
2859 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2860 the equivalent ~X & Y, and the symmetry related transformations.
2861 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2862 ~X & Y, and symmetry related transforms.
2864 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2866 Revert my 2006-03-27 patches.
2868 2006-03-28 Roger Sayle <roger@eyesopen.com>
2870 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2871 ~(T1)X, when T1 and T2 are integer types of the same precision
2872 and (T2)X isn't an extension.
2874 2006-03-28 Jeff Law <law@redhat.com>
2876 PR tree-optimization/26796
2877 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2878 need EH edge cleanups rather than purging them immediately.
2879 (eliminate_degenerate_phis): Handle queued EH cleanups.
2881 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2883 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2886 2006-03-27 Roger Sayle <roger@eyesopen.com>
2889 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2890 cast BIT_NOT_EXPR operand to the correct type.
2892 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2894 * tree-loop-linear.c: Don't include varray.h.
2895 (gather_interchange_stats, try_interchange_loops,
2896 linear_transform_loops): Use VEC instead of VARRAY.
2897 * lambda-mat.c: Don't include varray.h.
2898 * tree-chrec.c: Same.
2899 * lambda-trans.c: Same.
2900 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2901 VEC instead of VARRAY.
2902 * tree-vectorizer.h: Idem.
2903 * tree-data-ref.c (dump_data_references,
2904 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2905 initialize_data_dependence_relation, finalize_ddr_dependent,
2906 compute_all_dependences, find_data_references_in_loop,
2907 compute_data_dependences_for_loop, analyze_all_data_dependences,
2908 free_dependence_relation, free_dependence_relations,
2909 free_data_refs): Idem.
2910 * tree-data-ref.h (data_reference_p, subscript_p): New.
2911 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2912 VEC instead of VARRAY.
2913 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2914 (find_data_references_in_loop, compute_data_dependences_for_loop,
2915 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2916 dump_data_dependence_relations, free_dependence_relations,
2917 free_data_refs): Adjust declaration.
2918 (lambda_transform_legal_p): Move declaration here...
2919 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2920 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2921 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2922 vect_analyze_data_refs): Use VEC instead of VARRAY.
2923 * lambda.h (lambda_transform_legal_p): ...from here.
2924 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2925 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2926 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2927 tree-chrec.o): Don't depend on VARRAY_H.
2929 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2931 * rtl.def (Copyright): Update date.
2932 (DEPS_LIST): Change type of the second operand to 'int'.
2933 * target.h (Copyright): Update date.
2934 (struct gcc_target.speculate_insn): Change type of the second parameter
2936 * lists.c (Copyright): Update date.
2937 (alloc_DEPS_LIST): Change signature. Update reference to the second
2938 operand of the DEPS_LIST.
2939 (copy_DEPS_LIST_list): Update reference to the second operand of the
2941 * rtl.h (Copyright): Update date.
2942 (alloc_DEPS_LIST): Update signature.
2943 * sched-int.h (Copyright): Update date.
2944 (ds_t): Change typedef to 'int'.
2945 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2947 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2949 * haifa-sched.c (Copyright): Update date.
2950 (try_ready): Change condition to restore non-speculative pattern
2952 (process_insn_depend_be_in_spec): Code to keep probability of the
2953 speculative dependence non-decreasing.
2955 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2957 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2958 shut up the compiler.
2960 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2962 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2963 to use lib prefix for target.
2964 ($(T)libic_invalidate_array_4-200.a): Likewise.
2965 ($(T)libic_invalidate_array_4a.a): Likewise.
2967 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2968 J"orn Rennecke <joern.rennecke@st.com>
2970 * superh.opt: New file.
2971 * sh.c (boardtype, osruntime): Remove.
2972 * superh.h (SUBTARGET_OPTIONS): Remove.
2973 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2975 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2976 arguments with ^ and/or [].
2978 * config.gcc (sh-*-*): Add quoting to account for quirk of
2980 Replace == with = in enable_incomplete_targets test.
2982 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2983 with MASK_LITTLE_ENDIAN.
2985 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2986 * config/sh/sh.opt: Added to some comments.
2987 * config/sh/superh.h: Removed some chaff.
2989 * config/sh/sh.opt: Add m4-[1234]00* options.
2990 * config/sh/sh.c (sh_handle_option): Likewise.
2991 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2992 (ic_invalidate_array_4-100.o): New rule.
2993 ($(T)libic_invalidate_array_4-100.a): Likewise.
2994 (ic_invalidate_array_4-200.o): Likewise.
2995 ($(T)libic_invalidate_array_4-200.a): Likewise.
2996 (ic_invalidate_array_4a.o): Likewise.
2997 ($(T)libic_invalidate_array_4a.a): Likewise.
2998 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2999 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3001 * config/sh/crt1.asm: Merged in profiling code.
3002 * config/sh/superh.h (STARTFILE_SPEC): Override.
3003 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3004 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3005 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3007 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3008 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3009 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3011 * sh.opt (mpretend-cmove): New option.
3012 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3013 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3014 (movsicc): Add TARGET_PRETEND_CMOVE code.
3016 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3018 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3019 s390_class_max_nregs): New function prototypes.
3020 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3021 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3022 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3023 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3025 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3027 * dwarf2out.c (add_location_or_const_value_attribute): Call
3028 tree_add_const_value_attribute if nothing else works.
3029 (reference_to_unused): New.
3030 (rtl_for_decl_init): Use reference_to_unused to decide whether
3031 to output an initializer.
3033 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3036 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3037 peephole removing spe frob_di_df_2.
3039 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3041 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3042 (subscript_dependence_tester_1): Declared.
3043 (print_dir_vectors, print_dist_vectors): New.
3044 (debug_data_dependence_relation): New.
3045 (dump_data_dependence_relation): Print more details.
3046 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3047 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3048 (save_dist_v, save_dir_v, add_outer_distances,
3049 build_classic_dist_vector_1): New.
3050 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3051 Don't test for lambda_vector_lexico_pos.
3052 (same_access_functions, add_multivariate_self_dist,
3053 add_other_self_distances, dir_from_dist): New.
3054 (build_classic_dir_vector): Replace implementation almost identical to
3055 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3057 (subscript_dependence_tester_1): New.
3058 (subscript_dependence_tester): Handle the lexicographically negative
3059 distance vectors by recomputing the dependence relation.
3060 (compute_affine_dependence): Remove parameter loop_nest_depth.
3061 (compute_self_dependence): Don't call compute_subscript_distance.
3062 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3063 Add a parameter for the loop_nest.
3064 (find_loop_nest_1, find_loop_nest): New.
3065 (compute_data_dependences_for_loop): Compute the loop nest, and give
3066 up if the nest is not well formed.
3067 * tree-data-ref.h (loop_p): New.
3068 (struct data_dependence_relation): Replace size_vect field with
3069 loop_nest, a vec of loops.
3070 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3071 (DDR_LOOP_NEST): New.
3072 (print_dir_vectors, print_dist_vectors,
3073 debug_data_dependence_relation): Declared.
3074 (index_in_loop_nest): New.
3075 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3076 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3079 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3081 * simplify-rtx.c (simplify_relational_operation): Call
3082 simplify_relational_operation_1 even if mode is VOIDmode.
3084 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3086 PR tree-optimization/26804
3087 * tree.h (DECL_CALL_CLOBBERED): New macro.
3088 (tree_decl_common): Add call_clobbered_flag.
3089 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3090 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3091 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3092 (mark_non_addressable): Ditto.
3093 * tree-ssa.c (verify_call_clobbered): New function.
3094 (verify_alias_info): Use it.
3095 * tree-pass.h (pass_reset_cc_flags): New prototype.
3096 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3097 (reset_cc_flags): New function.
3098 * passes.c (init_optimization_passes): Call reset_cc_flags after
3099 initializing referenced_vars.
3101 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3102 Roger Sayle <roger@eyesopen.com>
3105 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3106 to 1.0 for non-real operands. Implement A / A optimization for
3109 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3111 * config/i386/i386.c (size_cost): Correct the comment for
3112 cost of storing fp registers.
3113 (i386_cost): Likewise.
3114 (i486_cost): Likewise.
3115 (pentium_cost): Likewise.
3116 (pentiumpro_cost): Likewise.
3117 (k6_cost): Likewise.
3118 (athlon_cost): Likewise.
3119 (k8_cost): Likewise.
3120 (pentium4_cost): Likewise.
3121 (nocona_cost): Likewise.
3122 (generic64_cost): Likewise.
3123 (generic32_cost): Likewise.
3125 2006-03-24 Denis Chertykov <denisc@overta.ru>
3127 * config/avr/avr-protos.h (extra_constraint): Delete.
3128 (extra_constraint_Q): New declaration.
3129 * config/avr/constraints.md: New file.
3130 * config/avr/avr.md: Include it.
3131 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3132 (TMP_REGNO, ZERO_REGNO): Likewise.
3133 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3134 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3135 (extra_constraint): Delete.
3136 (extra_constraint_Q): Test for memory constraint 'Q'.
3137 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3138 (REG_CLASS_FROM_LETTER): Delete.
3139 (CONST_OK_FOR_LETTER_P): Delete.
3140 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3141 (EXTRA_CONSTRAINT): Delete.
3142 (TMP_REGNO): Delete.
3143 (ZERO_REGNO): Delete.
3145 2006-03-24 Jeff Law <law@redhat.com>
3147 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3148 directly. Call mark_new_vars_to_rename slightly earlier.
3150 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3152 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3154 (gen_compile_unit_die): Use new language types for Objective-C and
3156 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3157 DW_LANG_C_plus_plus.
3160 * config/t-darwin (crt3.o): Work around bug 26840.
3161 * config/darwin-crt3.c: Rewrite.
3162 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3164 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3166 * doc/invoke.texi: Document -femit-class-debug-always
3167 * common.opt: Add -femit-class-debug-always.
3169 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3171 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3172 index and base register.
3173 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3174 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3175 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3176 REGNO_OK_FOR_INDEX_P.
3177 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3179 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3180 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3181 REG_OK_FOR_BASE_P): Definitions removed.
3183 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3186 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3187 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3188 set yet or weren't marked as local yet.
3190 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3192 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3195 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3197 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3198 (rs6000_legitimate_small_data_p): Delete.
3199 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3200 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3201 and make static. Add forward declaration. Update uses.
3202 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3203 of offsettable_memref_p.
3204 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3205 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3207 2006-03-24 Jeff Law <law@redhat.com>
3209 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3210 around bug in immediate-use iterator.
3212 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3215 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3216 or __LITTLE_ENDIAN__.
3218 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3220 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3221 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3222 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3223 * config/sh/sh.opt (mdiv=): Amend description.
3224 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3225 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3226 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3227 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3228 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3229 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3230 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3231 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3232 TARGET_DIVIDE_CALL_FP.
3234 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3236 * haifa-sched.c (choose_ready): Fix type of the local variable.
3237 Move local variables. Add comment.
3238 (check_reg_live): Change signature. Make callable from debugger.
3239 * sched-int.h (check_reg_live): Update signature.
3240 * sched-ebb.c (check_reg_live): Update parameters.
3241 * sched-rgn.c (check_reg_live): Ditto.
3242 (region_head_or_leaf_p): Check pointer before dereferencing.
3243 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3244 before reload on optimization levels below 1.
3246 2006-03-23 Richard Henderson <rth@redhat.com>
3248 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3252 * config/alpha/predicates.md (local_symbolic_operand): Reject
3255 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3258 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3259 expressions which have overflowed constants.
3261 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3263 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3265 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3267 * cfgloopmanip.c (create_loop_notes): Removed.
3268 * final.c (final_scan_insn): Do not handle loop notes.
3269 * jump.c (squeeze_notes): Ditto.
3270 * cfglayout.c (skip_insns_after_block,
3271 duplicate_insn_chain): Ditto.
3272 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3274 * cfgloop.h (create_loop_notes): Declaration removed.
3276 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3278 * varasm.c (output_constant_pool): Restore fnname and fndecl
3280 (assemble_start_function): Adjust call accordingly.
3281 (assemble_end_function): Likewise.
3283 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3286 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3289 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3291 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3294 * system.h (ICE_EXIT_CODE): New macro.
3295 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3296 (diagnostic_action_after_output): Likewise.
3297 * gcc.c (fatal_ice): New function.
3298 (execute): Use it instead of fatal.
3299 (fancy_abort): Likewise.
3300 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3302 2006-03-22 Jeff Law <law@redhat.com>
3304 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3305 iv_analyze_result returning false.
3307 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3309 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3311 2006-03-22 Richard Henderson <rth@redhat.com>
3314 * except.c (duplicate_eh_regions_0): New.
3315 (duplicate_eh_region_1): Duplicate the children of the node as
3316 well as the node itself. Link them up properly.
3317 (duplicate_eh_region_2): Merge into ...
3318 (duplicate_eh_regions): ... here. Take copy_region argument, and
3319 copy only a sub-tree if asked. Simplify copying and fixup.
3320 (eh_region_outer_p): New.
3321 * except.h (duplicate_eh_regions): Update decl.
3322 (eh_region_outer_p): Declare.
3323 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3324 (lower_omp_master): Likewise.
3325 (lower_omp_ordered): Likewise.
3326 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3327 (move_stmt_r): Use it to remap labels. Handle recursion vs
3328 remap_decls_p properly.
3329 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3330 (find_outermost_region_in_block): New.
3331 (new_label_mapper): New.
3332 (move_sese_region_to_fn): Copy eh information to the new function
3334 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3336 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3339 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3341 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3342 into shared libraries.
3344 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3346 * doc/md.texi: Refer to i386/constraints.md instead of
3348 * config/i386/constraints.md: New file, extracted from...
3349 * config/i386/predicates.md: ...here.
3350 * config/i386/i386.md: Include constraints.md.
3352 2006-03-21 Jason Merrill <jason@redhat.com>
3354 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3357 * expr.c (init_block_move_fn): Force default visibility.
3358 (init_block_clear_fn): Likewise.
3359 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3360 * targhooks.c (default_external_stack_protect_fail): Likewise.
3362 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3364 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3365 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3366 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3367 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3368 (loadgp): Use mips_current_loadgp_style.
3369 (loadgp_noshared): New pattern.
3370 (sibcall_internal): Use MIPS_CALL.
3371 (sibcall_value_internal): Likewise.
3372 (sibcall_value_multiple_internal): Likewise.
3373 (call_internal): Likewise.
3374 (call_value_internal): Likewise.
3375 (call_value_multiple_internal): Likewise.
3376 (call_split): Use MIPS_CALL and add an 'S' constraint.
3377 (call_value_split): Likewise.
3378 (call_value_multiple_split): Likewise.
3379 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3380 (-mshared): New option.
3381 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3382 (mips_current_loadgp_style): Declare.
3383 * config/mips/mips.c (mips_classify_symbol): Avoid using
3384 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3385 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3386 TARGET_ABSOLUTE_ABICALLS.
3387 (override_options): Adjust comments. Improve the warning that is
3388 issued when -mabicalls and -G are used together.
3389 (mips_file_start): Remove comment.
3390 (mips_current_loadgp_style): New function.
3391 (mips_gnu_local_gp): New variable.
3392 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3394 (mips_output_function_prologue): Use mips_current_laodgp_style.
3395 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3396 the cprestore instruction.
3397 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3398 live for TARGET_ABSOLUTE_ABICALLS.
3399 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3400 (ASM_SPEC): Pass down -mshared and -mno-shared.
3401 (MIPS_CALL): New macro.
3402 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3404 * doc/invoke.texi (-mabicalls): Update documentation.
3405 (-mshared): Document.
3407 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3409 * config/ia64/unwind-hpux.c: New file.
3410 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3412 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3415 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3417 2006-03-21 Jeff Law <law@redhat.com>
3419 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3420 type conversions of a VR_VARYING source to a wider type.
3422 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3424 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3425 tm_file on Solaris 10 and later.
3426 (sparc64-*-solaris2*): Likewise.
3427 (sparc-*-solaris2*): Likewise.
3428 * config/sol26.h: Rename to config/sol2-6.h.
3429 * config/sol2-10.h: New file.
3431 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3434 * tree-ssa-pre.c (create_component_ref_by_pieces):
3437 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3440 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3441 return it immediately.
3443 2006-03-21 Michael Matz <matz@suse.de>
3445 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3447 (remove_arc, add_arc): Update num_out_arcs member.
3448 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3450 (cache_presence): New function.
3451 (compare_states_for_equiv): New function.
3452 (state_is_differed): Don't take number of outargs, adjust callers.
3453 Use new invariant for speeding up.
3454 (init_equiv_class): Create initial classes based on sorted
3456 (partition_equiv_class): Don't track out_arcs_num.
3457 (evaluate_equiv_classes): Call cache_presence on all states and
3460 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3462 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3463 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3464 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3465 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3467 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3468 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3469 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3470 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3471 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3473 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3474 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3475 (REGNO_REG_CLASS): ARGP is in PREGS.
3476 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3478 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3479 to deal with those addresses.
3480 * addresses.h: New file.
3481 * caller-save.c: Include "addresses.h".
3482 (init_caller_save): Use new base_reg_class function.
3483 * rtl-factoring.c: Include "addresses.h".
3484 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3485 * recog.c: Include "addresses.h".
3486 (preprocess_constraints): Use new base_reg_class function.
3487 * regrename.c: Include "addresses.h".
3488 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3489 functions. Keep track of a new var INDEX_CODE to compute valid
3491 (replace_oldest_value_addr): Likewise.
3492 (replace_oldest_value_mem): Use base_reg_class.
3493 * reload.c: Include "addresses.h".
3494 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3495 (find_reloads): Use new base_reg_class function.
3496 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3497 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3498 all callers and prototype changed.
3499 * reload1.c: Include "addresses.h".
3500 (maybe_fix_stack_asms): Use base_reg_class.
3501 * regclass.c: Include "addresses.h".
3502 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3503 (init_reg_autoinc): Use new base_reg_class function.
3504 (record_reg_classes): Likewise.
3505 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3506 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3507 Use new args to compute necessary class.
3509 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3510 regrename.o, rtl-factoring.o): Update dependencies.
3511 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3512 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3513 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3514 REG_OK_FOR_INDEX_P): Delete documentation.
3516 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3518 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3519 from V7 to V9 for Solaris 7 and above.
3521 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3523 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3524 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3525 argument pointers may not alias any other storage.
3526 * common.opt: Define option -fargument-noalias-anything.
3527 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3528 alias semantics is specified by flag_argument_noalias > 2.
3530 2006-03-20 Jeff Law <law@redhat.com>
3532 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3533 (pass_phi_only_cprop): Declare.
3534 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3536 * tree-ssa-dom.c (degenerate_phi_result): New function.
3537 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3538 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3539 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3540 (eliminate_degenerate_phis): Likewise.
3541 (pass_phi_only_cprop): New pass descriptor.
3542 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3543 support code. Callers updated.
3544 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3545 (store_copy_prop): Likewise.
3546 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3548 2006-03-20 Jason Merrill <jason@redhat.com>
3551 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3552 (push_visibility, pop_visibility): Likewise.
3553 * c-pragma.h: Declare them.
3555 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3557 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3559 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3560 parameter and use get_ebb_head_tail.
3561 (sh_md_init_global): Adjust uses of find_regmode_weight.
3563 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3565 * function.h (struct function) <x_tail_recursion_reentry>:
3566 Rename to x_stack_check_probe_note.
3567 (tail_recursion_reentry): Rename to stack_check_probe_note.
3568 * function.c: Replace tail_recursion_reentry with
3569 stack_check_probe_note everywhere.
3570 (expand_function_start): Only emit a note for
3571 stack_check_probe_note with -fstack-protect.
3572 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3574 * emit-rtl.c (remove_unnecessary_notes): Remove.
3575 (pass_remove_unnecessary_notes): Remove.
3576 * rtl.h (remove_unnecessary_notes): Remove prototype.
3577 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3578 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3579 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3581 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3584 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3585 (valid_in_set): Handle ARRAY_REF.
3586 Change "if min_variant or VH" to asserts.
3587 (create_component_ref_by_pieces): Handle ARRAY_REF.
3588 (create_expression_by_pieces): Likewise.
3589 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3591 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3593 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3594 is operand of switch, not str[0].
3596 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3598 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3599 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3601 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3603 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3604 end of insn_extra_address_constraint declaration.
3606 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3608 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3609 (no-sum-in-toc): Same.
3610 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3612 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3613 NO_FP_IN_TOC for -fPIC instead of mask.
3615 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3616 (BOOT_LDFLAGS): Delete.
3618 * config/rs6000/t-aix52: Same.
3620 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3621 (stmsi[345678]_power): New.
3623 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3625 * config/ia64/ia64.opt: Add empty line to end of file.
3627 2006-03-17 Richard Guenther <rguenther@suse.de>
3630 * builtins.c (get_pointer_alignment): For component style references
3631 adjust alignment to the component type alignment. Make sure
3632 to adjust alignment for component access of constants.
3634 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3636 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3639 2006-03-17 Paul Brook <paul@codesourcery.com>
3641 * doc/install.texi: Docuemnt --with-mode.
3642 * config.gcc: Add --with-mode for arm*-*-*.
3643 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3645 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3647 * sh.c (max_labelno_before_reorg): New variable.
3648 (sh_reorg): Initialize it.
3649 (find_barrier): Check max_labelno_before_reorg before using
3650 label_to_alignment. Take length of explicit alignment insns
3651 into account. When seeing a UNSPECV_CONST_END, return it.
3653 * sh.c (fixup_mova): Set mode of affected label to QImode.
3654 (untangle_mova): New function.
3655 (find_barrier): Use it. Check mode of label before decrementing
3657 (sh_reorg): Likewise.
3658 Set mode of all insns back to VOIDmode.
3660 * sh.c (MOVA_LABELREF): New macro.
3661 (mova_p, fixup_mova, sh_reorg): Use it.
3662 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3663 ADDR_DIFF_VEC matches mova.
3665 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3667 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3668 with ATTRIBUTE_UNUSED.
3670 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3672 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3673 pointer, instead of assuming it is possible to derive the
3674 correct args size from a call insn.
3676 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3678 * rtl.h (CONST_INT_P): Define.
3679 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3680 instead of GET_CODE(x) == CONST_INT.
3681 (vax_rtx_costs): Likewise.
3682 (vax_output_int_move): Likewise.
3683 (vax_output_int_add): Likewise.
3684 (legitimate_constant_address_p): Likewise.
3685 (index_term_p): Likewise.
3686 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3687 * config/vax/vax.md (and<mode>3): Likewise.
3688 (ashrsi3): Likewise.
3690 (movstricthi): Likewise.
3691 (movstrictqi): Likewise.
3692 (rotrsi3): Likewise.
3693 (five unnamed insns): Likewise.
3695 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3697 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3698 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3699 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3700 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3701 Pass to ASM_OUTPUT_DWARF_OFFSET.
3702 * dwarf2out.c (debug_frame_section): New.
3703 (output_call_frame_info): Use debug_frame_section. Pass it to
3704 dw2_asm_output_offset.
3705 (output_die): Pass appropriate section to dw2_asm_output_offset.
3706 (output_compilation_unit_header): Likewise.
3707 (output_pubnames): Likewise.
3708 (output_aranges): Likewise.
3709 (enum dw_val_class): Break dw_val_class_lbl_offset into
3710 dw_val_class_lineptr and dw_val_class_macptr.
3711 (add_AT_lbl_offset): Delete.
3712 (add_AT_lineptr): New.
3713 (add_AT_macptr): New.
3714 (AT_lbl): Expect a lineptr or macptr.
3715 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3716 (attr_checksum): Likewise.
3717 (same_dw_val_p): Likewise.
3718 (size_of_die): Likewise.
3719 (value_format): Likewise.
3720 (output_die): Likewise.
3721 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3723 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3724 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3725 * config/darwin-protos.h (darwin_file_start): New.
3726 (darwin_asm_output_dwarf_offset): New.
3727 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3728 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3730 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3731 if not EH section; simplify.
3732 (darwin_file_start): New.
3733 (darwin_asm_output_dwarf_offset): New.
3734 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3736 (DEBUG_INFO_SECTION): Likewise.
3737 (DEBUG_ABBREV_SECTION): Likewise.
3738 (DEBUG_ARANGES_SECTION): Likewise.
3739 (DEBUG_MACINFO_SECTION): Likewise.
3740 (DEBUG_LINE_SECTION): Likewise.
3741 (DEBUG_LOC_SECTION): Likewise.
3742 (DEBUG_PUBNAMES_SECTION): Likewise.
3743 (DEBUG_STR_SECTION): Likewise.
3744 (DEBUG_RANGES_SECTION): Likewise.
3745 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3746 (ASM_OUTPUT_DWARF_OFFSET): New.
3748 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3750 * config.gcc (tm_defines): Always add to previous value rather
3753 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3755 * config/mips/predicates.md (splittable_const_int_operand): New,
3756 split from move_operand.
3757 (splittable_symbolic_operand): New.
3758 (move_operand): Add commentary. Use splittable_const_int_operand.
3759 Inline mips_atomic_symbolic_constant_p.
3760 * config/mips/mips.md: Add combine splitters for handling moves
3761 of splittable_const_int_operands and splittable_symbolic_operands.
3762 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3763 (mips_split_symbol): Declare.
3764 (mips_move_integer): Declare.
3765 * config/mips/mips.c (mips_split_p): Make global.
3766 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3767 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3768 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3769 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3770 (mips_offset_within_object_p): Handle block symbols.
3771 (mips_atomic_symbolic_constant_p): Delete.
3772 (mips_cannot_force_const_mem): Return false for constants that
3773 mips_legitimize_move can handle.
3774 (mips_use_blocks_for_constant_p): New function.
3775 (mips_split_symbol): Make global.
3776 (mips_move_integer): Likewise. Add a temporary register argument.
3777 (mips_legitimize_const_move): Use splittable_const_int_operand and
3778 splittable_symbolic_operand.
3779 (mips_use_anchors_for_symbol_p): New function.
3780 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3781 (mips_split_p): Declare.
3783 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3785 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3786 (mips*-*-linux*): Likewise.
3788 2006-03-16 Roger Sayle <roger@eyesopen.com>
3789 Daniel Speyer <dspeyer@wam.umd.edu>
3792 * tree-dump.c (dump_real): New function.
3793 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3794 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3795 (tree-dump.o): Add $(REAL_H) to the dependencies.
3797 2006-03-16 Roger Sayle <roger@eyesopen.com>
3800 * real.c (real_from_string): If the mantissa is zero, don't bother
3801 parsing the exponent as the result should always be zero.
3803 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3805 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3807 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3809 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3810 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3811 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3812 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3813 ia64_sched_finish_global): New static functions to implement
3814 hooks from gcc_target.sched.
3815 (spec_check_no, max_uid, pending_data_specs): New static variables.
3816 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3817 ia64_spec_check_src_p): New static functions.
3818 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3819 (TARGET_SCHED_ADJUST_COST): Removed.
3820 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3821 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3822 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3823 TARGET_SCHED_GEN_CHECK,
3824 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3825 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3826 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3827 Fixed to handle speculation checks.
3828 (rtx_needs_barrier): Fixed to handle speculative loads and
3830 (ia64_variable_issue): Added code to count speculative loads and their
3832 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3834 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3836 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3838 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3839 (ia64_reorg): Reset stops_p to NULL after it is freed.
3840 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3841 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3842 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3844 (data_speculative, control_speculative, check_load): New attributes.
3845 (mov<mode>_advanced, mov<mode>_speculative,
3846 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3847 zero_extend<mode>di2_speculative,
3848 zero_extend<mode>di2_speculative_advanced): New patterns for
3849 data and control speculative loads.
3850 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3852 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3853 New pattern for data and control speculation checks.
3854 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3855 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3856 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3857 Auxiliary definitions for the patterns.
3858 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3859 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3861 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3863 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3864 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3865 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3866 New resource constraints.
3867 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3869 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3870 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3871 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3872 msched-in-control-spec, msched-ldc, msched-control-ldc,
3873 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3874 msched-prefer-non-control-spec-insns,
3875 msched-count-spec-in-critical-path): New flags to tune speculative
3877 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3878 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3879 msched-in-control-spec, msched-ldc, msched-control-ldc,
3880 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3881 msched-prefer-non-control-spec-insns,
3882 msched-count-spec-in-critical-path): Document new flags.
3884 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3886 * target.h (struct spec_info_def): New opaque declaration.
3887 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3888 speculate_insn, needs_block_p, gen_check,
3889 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3890 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3891 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3892 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3893 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3894 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3896 (TARGET_SCHED): Use new macros.
3897 * rtl.h (copy_DEPS_LIST_list): New prototype.
3898 * sched-int.h (struct sched_info): Change signature of new_ready field,
3899 adjust all initializations. New fields: add_remove_insn,
3900 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3901 region_head_or_leaf_p.
3902 (struct spec_info_def): New structure declaration.
3903 (spec_info_t): New typedef.
3904 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3905 recovery_block, orig_pat.
3906 (glat_start, glat_end): New variables declaraions.
3907 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3909 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3910 DETACH_LIFE_INFO, USE_GLAT.
3911 (enum SPEC_SCHED_FLAGS): New enumeration.
3912 (NOTE_NOTE_BB_P): New macro.
3913 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3914 attach_life_info, debug_spec_status, check_reg_live): New functions.
3915 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3916 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3918 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3919 * ddg.c (get_block_head_tail): Adjust all uses.
3920 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3921 (sms_sched_info): Initialize new fields.
3922 (contributes_to_priority): Removed.
3923 * haifa-sched.c (params.h): New include.
3924 (get_block_head_tail): Adjust all uses.
3925 (ISSUE_POINTS): New macro.
3926 (glat_start, glat_end): New global variables.
3927 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3928 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3929 old_last_basic_block, before_recovery, current_sched_info_var,
3930 rgn_n_insns, luid): New static variables.
3931 (insn_cost1): New function. Move logic from insn_cost to here.
3932 (find_insn_reg_weight1): New function. Move logic from
3933 find_insn_reg_weight to here.
3934 (reemit_notes, move_insn, max_issue): Change signature.
3935 (move_insn1): Removed.
3936 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3937 extend_bb): New static functions to support extension of scheduler's
3939 (generate_recovery_code, process_insn_depend_be_in_spec,
3940 begin_speculative_block, add_to_speculative_block,
3941 init_before_recovery, create_recovery_block, create_check_block_twin,
3942 fix_recovery_deps): New static functions to support
3943 generation of recovery code.
3944 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3945 restore_bb_notes, move_block_after_check, move_succs): New static
3946 functions to support ebb scheduling.
3947 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3948 functions to support handling of register live information.
3949 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3950 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3951 add_jump_dependencies): New static functions.
3952 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3953 consistancy checking.
3954 (debug_spec_status): New function to call from debugger.
3955 (priority): Added code to handle speculation checks.
3956 (rank_for_schedule): Added code to distinguish speculative instructions.
3957 (schedule_insn): Added code to handle speculation checks.
3958 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3959 Fixed to handle ebbs.
3960 (move_insn): Added code to handle ebb scheduling.
3961 (max_issue): Added code to use ISSUE_POINTS of instructions.
3962 (choose_ready): Added code to choose between speculative and
3963 non-speculative instructions.
3964 (schedule_block): Added code to handle ebb scheduling and scheduling of
3965 speculative instructions.
3966 (sched_init): Initialize new variables.
3967 (sched_finish): Free new variables. Print statistics.
3968 (try_ready): Added code to handle speculative instructions.
3969 * lists.c (copy_DEPS_LIST_list): New function.
3970 * sched-deps.c (extend_dependency_caches): New function. Move logic
3971 from create_dependency_caches to here.
3972 (get_dep_weak, ds_merge): Make global.
3973 * genattr.c (main): Code to output prototype for
3974 dfa_clear_single_insn_cache.
3975 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3976 (output_dfa_clean_insn_cache_func): Code to output
3977 dfa_clear_single_insn_cache function.
3978 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3980 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3982 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3983 New static variables.
3984 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3985 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3987 (ebb_sched_info): Initialize new fields.
3988 (get_block_head_tail): Adjust all uses.
3989 (compute_jump_reg_dependencies): Fixed to use glat_start.
3990 (schedule_ebb): Code to remove unreachable last block.
3991 (schedule_ebbs): Added code to update register live information.
3992 * sched-rgn.c (region_sched_info): Initialize new fields.
3993 (get_block_head_tail): Adjust all uses.
3994 (last_was_jump): Removed. Adjust users.
3995 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3996 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3997 Implement new hooks.
3998 (check_dead_notes1): New static function.
3999 (struct region): New fields: dont_calc_deps, has_real_ebb.
4000 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4001 (BB_TO_BLOCK): Fixed to handle EBBs.
4002 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4003 (ebb_head): New static variable.
4004 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4005 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4007 (compute_dom_prob_ps): New assertion.
4008 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4009 global_live_at_start.
4010 (init_ready_list): New assertions.
4011 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4012 (new_ready): Add support for BEGIN_CONTROL speculation.
4013 (schedule_insns): Fixed code that updates register live information
4015 (schedule_region): Fixed to handle EBBs.
4016 (init_regions): Use extend_regions and check_dead_notes1.
4017 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4018 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4019 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4020 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4021 TARGET_SCHED_GEN_CHECK,
4022 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4023 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4024 * doc/invoke.texi (max-sched-insn-conflict-delay,
4025 sched-spec-prob-cutoff): Document.
4027 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4029 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4030 inter_tick, queue_index.
4031 (struct sched_info): Change signature of init_ready_list field.
4032 Adjust all initializations.
4033 (RESOLVED_DEPS): New access macro.
4034 (ready_add): Remove prototype.
4035 (try_ready): Add prototype.
4036 * sched-rgn.c (init_ready_list): Use try_ready.
4037 (schedule_region): Initialize
4038 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4039 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4040 (init_ready_list): Use try_ready.
4041 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4042 * lists.c (remove_list_elem): Remove `static'.
4043 (remove_free_INSN_LIST_elem): New function.
4044 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4045 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4046 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4048 (readyp): New variable.
4049 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4050 change_queue_index, resolve_dep): New static functions.
4051 (try_ready): New function. Adjust callers in sched-rgn.c and
4052 sched-ebb.c to use it instead of ready_add.
4053 (clock_var): Move at the begining of file.
4054 (rank_for_schedule): Fix typo.
4055 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4056 (ready_lastpos): Enforce assertion.
4057 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4059 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4060 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4061 (queue_to_ready): Use free_INSN_LIST_list.
4062 (early_queue_to_ready): Fix typo.
4063 (schedule_block): Init readyp. Move init_ready_list call after the
4064 initialization of clock_var. Fix error in rejecting insn by
4065 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4066 that previously corrected INSN_TICKs. Add code for handling
4068 (set_priorities): Fix typo.
4069 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4070 Clarify comment and code that keeps current_sched_info->next_tail
4073 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4075 * sched-rgn.c (extend_rgns): New static function.
4076 (find_rgns): Use it.
4077 (gather_region_statistics, print_region_statistics): New static
4079 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4080 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4082 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4083 Andrey Belevantsev <abel@ispras.ru>
4085 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4086 * lists.c (unused_deps_list): New variable.
4087 (free_list): Add assertions to verify the proper distinguishing
4088 between INSN_LISTs and DEPS_LISTs.
4089 (find_list_elem, remove_list_elem, remove_list_node): New static
4091 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4092 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4093 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4094 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4096 (free_INSN_LIST_node): Likewise.
4097 * modulo-sched.c (current_sched_info): Initialize flags field.
4098 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4099 * rtl.def (DEPS_LIST): Define.
4100 * rtl.h: Declare new functions from lists.c.
4101 * sched-deps.c (spec_dependency_cache): New static variable.
4102 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4103 (add_dependence): Change return type to void. Move the logic to ...
4104 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4105 (delete_all_dependences): Add comment about forward_dependency_cache.
4106 Handle spec_dependency_cache. Handle DEPS_LISTs.
4107 (fixup_sched_groups): Clarify the change of priority of output
4108 and anti dependencies.
4109 (sched_analyze_2): Adjust add_dependence calls to create data
4110 speculative dependence.
4111 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4112 Adjust all callers. Handle DEPS_LISTS.
4113 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4114 presence of speculation.
4115 (init_dependency_caches, free_dependency_caches):
4116 Handle spec_dependency_cache.
4117 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4118 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4119 New static functions.
4120 (add_or_update_back_dep, add_or_update_back_forw_dep,
4121 add_back_forw_dep, delete_back_forw_dep): New functions.
4122 * sched-int.h (ds_t, dw_t): New typedefs.
4123 (struct sched_info): Add new field flags.
4124 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4125 Prototype new sched-deps.c functions.
4126 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4127 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4128 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4129 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4130 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4131 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4133 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4135 * sched-rgn.c (current_sched_info): Initialize flags field.
4136 (schedule_insns): Initialize current_sched_info before the sched_init
4138 * sched-ebb.c (current_sched_info): Initialize flags field.
4139 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4140 Call add_or_update_back_dep instead of add_dependence.
4141 Create control speculative dependencies.
4142 (schedule_insns): Initialize current_sched_info before the sched_init
4145 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4147 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4149 (sh_fallback_frame_state): Likewise.
4151 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4153 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4154 Do switch on default_use_cxa_atexit.
4155 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4156 * config/darwin-crt3.o: New.
4157 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4158 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4159 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4161 * config/rs6000/t-darwin: Move crt2.o building to here.
4162 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4163 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4166 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4168 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4169 from '! xxx' to '!xxx' for coding-style conformance.
4170 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4171 (EXTRA_CONSTRAINT): Likewise.
4172 * config/vax/vax.md (four unnamed insns): Likewise.
4174 2006-03-15 Paul Brook <paul@codesourcery.com>
4176 * config/arm/arm.c (minipool_pad): New.
4177 (add_minipool_forward_ref): Include pool alignment padding in address
4179 (push_minipool_fix): Set minipool_pad.
4180 (minipool_pad): Ditto.
4182 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4184 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4185 instead of GET_CODE() == MEM and REG_P() instead of
4187 (print_operand_address): Likewise.
4188 (vax_address_cost): Likewise.
4189 (vax_rtx_costs): Likewise.
4190 (vax_notice_update_cc): Likewise.
4191 (vax_output_int_add): Likewise.
4192 (INDEX_REGISTER_P): Likewise.
4193 (BASE_REGISTER_P): Likewise.
4194 (nonindexed_address_p): Likewise.
4195 (vax_mode_dependent_address_p): Likewise.
4196 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4197 (PRINT_OPERAND): Likewise.
4198 * config/vax/vax.md (ashlsi3): Likewise.
4199 (ashlsi3): Likewise.
4200 (some more unnamed insns): Likewise.
4202 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4204 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4205 iterator-style macro.
4206 (mark_control_dependent_edges_necessary): Update the use of
4207 EXECUTE_IF_CONTROL_DEPENDENT.
4209 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4211 * config/sh/predicates.md (cache_address_operand): Special.
4212 (ua_address_operand): Likewise.
4214 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4216 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4218 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4220 2006-03-15 Andreas Schwab <schwab@suse.de>
4222 * gensupport.c (identify_predicable_attribute): Don't free p_false
4223 when it is still in use.
4225 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4227 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4228 the default setting here.
4230 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4232 * tree-pass.h (pass_cfg): Remove.
4233 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4234 * passes.c (pass_cfg): Don't run it.
4236 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4238 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4239 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4241 (stack_regs_mentioned): Update the uses of
4242 stack_regs_mentioned_data. Don't access the array beyond its
4244 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4245 Don't include gt-reg-stack.h.
4247 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4248 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4250 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4253 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4256 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4258 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4260 2006-03-14 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/26672
4263 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4266 2006-03-14 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/26667
4269 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4270 node for the callees. Always allow inlining if it will shrink
4273 2006-03-14 Richard Guenther <rguenther@suse.de>
4276 * builtins.c (get_pointer_alignment): Prefer alignment
4277 information from decls over that from types.
4279 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4282 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4284 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4286 * config/rs6000/rs6000.opt (mdlmzb): New option.
4287 (msched-prolog, msched-epilog): Use Var not Mask.
4288 * doc/invoke.texi (-mdlmzb): Document.
4289 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4291 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4292 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4294 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4296 PR rtl-optimization/25739
4297 * bt-load.c (augment_live_range): Free tos pointer.
4299 * gensupport.c (identify_predicable_attribute): Free
4301 * gcov.c (create_file_names): Free name pointer.
4303 2006-03-13 Roger Sayle <roger@eyesopen.com>
4306 * stmt.c (emit_case_nodes): Handle the case where the index is a
4307 CONST_INT, where the comparison mode is specified by the index type.
4309 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4311 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4314 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4316 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4317 (*branch_fp_inverted): Likewise.
4319 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4322 * omp-low.c (expand_omp_for_generic): Mark istart0
4323 and iend0 as addressable.
4325 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4327 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4329 2006-03-13 Jeff Law <law@redhat.com>
4331 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4332 virtual operands are interesting.
4333 (vrp_visit_stmt): Corresponding changes.
4335 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4337 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4339 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4340 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4341 * config/bfin/crti.S: Use it instead of __PIC__.
4342 * config/bfin/crtn.S: Likewise.
4344 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4345 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4347 Lose 'G' modifier for call operand.
4348 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4349 recognize 'G' modifier.
4351 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4354 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4355 * stmt.c (expand_case): Likewise.
4357 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4359 PR rtl-optimization/26254
4360 * loop-invariant.c (seq_insns_valid_p): New function.
4361 (move_invariant_reg): Only emit new code if it is valid.
4363 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4365 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4367 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4368 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4369 (commit_one_edge_insertion): Do not look for loop notes.
4371 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4373 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4374 flag_test_coverage out of loop.
4376 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4378 * final.c (shorten_branches): Remove outdated comment, and turn
4379 the if branch that guards it to continue.
4381 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4383 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4384 * cfgloop.h (struct loop): Remove unused fields.
4386 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4388 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4389 (-dL, -fdump-rtl-loop2): Update the dump file names
4391 * doc/invoke.texi: Update dump file names.
4393 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4395 * predict.c (estimate_probability): Remove.
4396 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4397 * basic-block.h (estimate_probability): Remove prototype.
4398 * passes.c (finish_optimization_passes): Dump branch prediction or
4399 profiling heuristics to the .profile tree dump.
4400 (init_optimization_passes): Unqueue pass_branch_prob.
4402 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4404 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4406 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4407 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4409 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4411 * function.h (frame_offset_overflow): Declare.
4412 * function.c (frame_offset_overflow): New function.
4413 (assign_stack_local_1): Call it to detect that the offset overflows.
4414 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4416 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4418 * config/sh/sh.c: Include alloc-pool.h.
4419 (label_ref_list_pool): New alloc pool.
4420 (label_ref_list_t): New type for lists of labels.
4421 (struct pool_node): Make wend a label_ref_list_t.
4422 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4424 (dump_table): Likewise.
4425 (sh_reorg): Set up the alloc pool before using add_constant and
4426 dump_table, and destroy it when finishing.
4428 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4430 * config/mips/mips.c: Remove redundant comment.
4432 2006-03-10 Jason Merrill <jason@redhat.com>
4435 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4436 the target was declared 'register'.
4438 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4440 * genpreds.c (write_insn_constraint_len): Change definition of
4441 insn_constraint_len to return size_t to match the declaration.
4443 2006-03-10 DJ Delorie <dj@redhat.com>
4445 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4447 (m32c_expand_insv): Fix test for an AND mask.
4449 2006-03-10 Richard Guenther <rguenther@suse.de>
4452 * builtins.c (get_pointer_alignment): Handle component
4453 references for field alignment.
4455 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4457 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4458 when building with libgloss.
4459 (sh*elf): Implement --without-fp option.
4460 (sh64-superh-linux*): Don't multilib.
4462 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4464 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4466 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4468 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4469 Set it when one of the replacement functions returned true.
4470 Return TODO_cleanup_cfg if cfgchanged is true.
4471 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4473 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4475 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4476 instead of gen_lowpart.
4478 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4480 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4482 (mips_output_order_conditional_branch): Declare.
4483 * config/mips/mips.h (MIPS_BRANCH): New macro.
4484 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4485 for the comparison. Use gen_condjump.
4486 (mips_output_conditional_branch): Rework interface to take the
4487 asm templates for a direct branch and the inverse of a direct branch.
4488 (mips_output_order_conditional_branch): New function.
4489 (mips_builtin_branch_and_move): New function.
4490 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4491 branch condition. Use gen_single_cc as the condition for
4492 __builtin_mips_upper_* or __builtin_mips_lower_*.
4493 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4494 Use VOIDmode for the branch condition.
4495 * config/mips/predicates.md (order_operator): New predicate.
4496 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4497 (branch_fp): Rename to...
4498 (*branch_fp): ...this. Remove mode from comparison operator.
4499 Use new mips_output_conditional_branch interface.
4500 (branch_fp_inverted): Rename to...
4501 (*branch_fp_inverted): ...this and update as for *branch_fp.
4502 (*branch_zero<mode>): Rename to...
4503 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4504 Use mips_output_order_conditional_branch. Only accept ordered
4506 (*branch_zero<mode>_inverted): Rename to...
4507 (*branch_order<mode>_inverted): ...this and update as for
4508 *branch_order<mode>.
4509 (*branch_equality<mode>): Accept zero as the second operand to
4510 the equality operator. Use the new mips_output_conditional_branch
4512 (*branch_equality<mode>_inverted): Likewise.
4513 (condjump): New expander.
4514 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4516 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4517 (bc1any2t, bc1any2f): Likewise.
4518 (single_cc): New expander.
4519 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4521 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4523 * doc/md.texi: Update documentation of MIPS constraints.
4524 * config/mips/constraints.md: New file.
4525 * config/mips/mips.md: Include it.
4526 * config/mips/mips.c (mips_char_to_class): Delete.
4527 (override_options): Don't initialize mips_char_to_class.
4528 * config/mips/mips.h (mips_char_to_class): Delete.
4529 (REG_CLASS_FROM_LETTER): Delete.
4530 (CONST_OK_FOR_LETTER_P): Delete.
4531 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4532 (EXTRA_CONSTRAINT_Y): Delete.
4533 (EXTRA_CONSTRAINT_STR): Delete.
4534 (CONSTRAINT_LEN): Delete.
4535 (EXTRA_MEMORY_CONSTRAINT): Delete.
4537 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4539 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4540 original fn's eh regions.
4542 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4544 * fold-const.c (build_range_check): Make sure to use a valid type to
4545 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4548 (range_predecessor): New static function.
4549 (range_successor): Likewise.
4550 (merge_ranges): Use them to compute predecessors and successors of
4553 2006-03-09 Roger Sayle <roger@eyesopen.com>
4556 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4557 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4559 2006-03-08 DJ Delorie <dj@redhat.com>
4561 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4562 (addpsi3): Expand to include memory operands. Remove
4563 reload-specific splits.
4564 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4565 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4566 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4567 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4568 (shift1_qi, shift1_hi, insv): New.
4569 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4570 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4571 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4573 * config/m32c/m32c-protos.h: Update as needed.
4574 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4575 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4576 Fail for unrecognized R* constraints.
4577 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4578 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4579 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4581 (m32c_init_libfuncs): New.
4582 (m32c_legitimate_address_p): Add debug wrapper.
4583 (m32c_rtx_costs): New.
4584 (m32c_address_cost): New.
4585 (conversions): Add 'B' prefix.
4586 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4587 operands, or word regnames for QI operands. 'B' prints bit
4589 (m32c_expand_setmemhi): New.
4590 (m32c_expand_movmemhi): New.
4591 (m32c_expand_movstr): New.
4592 (m32c_expand_cmpstr): New.
4593 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4594 (m32c_expand_neg_mulpsi3): Handle non-ints.
4595 (m32c_cmp_flg_0): New.
4596 (m32c_expand_movcc): New.
4597 (m32c_expand_insv): New.
4598 (m32c_scc_pattern): New.
4599 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4600 a0/a1 out of SIregs.
4601 (STORE_FLAG_VALUE): New.
4602 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4605 * config/m32c/mov.md: Make constraints more liberal.
4606 (zero_extendqihi2): Optimize r0/r1 case.
4607 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4608 * config/m32c/predicates.md (m32c_any_operand): New.
4609 (m32c_nonimmediate_operand): New.
4610 (m32c_hl_operand): New.
4611 (m32c_r3_operand): New.
4614 (memsym_operand): New.
4615 (memimmed_operand): New.
4616 (a_qi_operand): New.
4617 (m32c_eqne_operator): New.
4618 (m32c_1bit8_operand): New.
4619 (m32c_1bit16_operand): New.
4620 (m32c_1mask8_operand): New.
4621 (m32c_1mask16_operand): New.
4622 * config/m32c/blkmov.md: New file.
4623 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4625 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4627 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4628 unsigned to fix signed/unsigned comparison issue in
4629 DWARF2_FRAME_REG_OUT.
4630 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4631 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4633 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4634 of ptr into the ENABLE_CHECKING section.
4636 2006-03-08 Jeff Law <law@redhat.com>
4638 * tree-vrp.c (infer_value_range): Only count pointer uses
4639 and dereferences if -fdelete-null-pointer-checks is enabled.
4641 * tree-vrp.c (find_assert_locations): Infer value ranges for
4642 single use pointers, but do not create ASSERT_EXPRs for them.
4643 When a non-null range is inferred for a pointer, backwards
4644 propagate that range to other equivalent pointers through the
4647 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4650 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4651 language hook targets.
4652 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4653 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4654 if language hook targets were missing.
4656 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4658 * tree-ssa-opfinalize.h: Removed.
4659 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4661 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4662 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4663 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4664 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4665 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4666 finalize_ssa_v_must_def_ops): New.
4668 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4670 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4673 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4675 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4677 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4678 addresses with offsets; reorganize.
4680 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4681 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4682 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4684 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4687 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4689 2006-03-08 Ben Elliston <bje@au.ibm.com>
4691 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4693 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4696 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4699 2006-03-07 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/26587
4702 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4704 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4706 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4708 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4710 * hooks.c (hook_bool_mode_rtx_true): New function.
4711 * hooks.h (hook_bool_mode_rtx_true): Declare.
4712 * toplev.c (compile_file): Call output_shared_constant_pool.
4713 * varasm.c (shared_constant_pool): New variable.
4714 (assemble_start_function, assemble_end_function): Remove arguments
4715 from call to output_constant_pool.
4716 (create_constant_pool): New function, split out from...
4717 (init_varasm_status): ...here.
4718 (force_const_mem): Choose between the shared and per-function constant
4719 pools. Set current_function_uses_const_pool when reusing old entries
4720 as well as when creating new ones.
4721 (mark_constant): Ignore data argument.
4722 (mark_constants): Remove pool argument.
4723 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4724 to decide whether the function uses a constant pool.
4725 (output_constant_pool_contents): New function, split out from...
4726 (output_constant_pool): ...here.
4727 (output_shared_constant_pool): New function.
4728 (init_varasm_once): Initialize shared_constant_pool.
4729 * output.h (output_constant_pool): Delete.
4730 (output_shared_constant_pool): Declare.
4731 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4732 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4734 2006-03-06 Nick Clifton <nickc@redhat.com>
4736 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4737 flag_strength_reduce.
4739 2006-03-06 Ben Elliston <bje@au.ibm.com>
4741 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4742 x86_64-*-linux* configurations.
4744 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4745 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4747 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4749 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4751 * basic-block.h: Remove the extern for
4752 rediscover_loops_after_threading.
4754 * cfgloop.c (cancel_loop): Make it static.
4755 * cfgloop.h: Remove the prototype for cancel_loop.
4757 * flow.c (recompute_reg_usage): Make it static.
4758 * rtl.h: Remove the prototype for recompute_reg_usage.
4760 * function.c (use_return_register): Make it static.
4761 * function.h: Remove the prototype.
4763 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4765 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4767 * recog.h: Remove the prototype for
4768 validate_change_maybe_volatile.
4770 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4772 * rtlanal.c (replace_reg): Remove.
4773 * rtl.h: Remove the prototype for replace_reg.
4775 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4777 * regclass.c (reg_scan_update): Remove.
4778 (reg_scan_mark_refs): Remove the last argument.
4779 * rtl.h: Remove the prototype for reg_scan_update.
4781 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4783 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4784 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4785 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4786 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4787 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4788 loop-invariant.c, omp-low.c, opts.c, passes.c,
4789 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4790 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4791 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4792 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4793 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4794 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4796 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4798 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4799 * dwarf2out.h: Remove the prototype for
4800 dwarf2out_add_library_unit_info.
4802 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4804 * tree.c (add_var_to_bind_expr): Remove.
4805 * tree.h: Remove the prototype for add_var_to_bind_expr.
4807 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4809 * regclass.c (n_non_fixed_regs): Remove.
4810 (init_reg_sets_1, globalize_reg): Remove all uses of
4812 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4814 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4816 * rtlanal.c (insns_safe_to_move_p): Remove.
4817 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4819 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4821 * expmed.c (expand_mult_add): Remove.
4822 * expr.h: Remove the prototype for expand_mult_add.
4824 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4826 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4827 and REG_SAVED_VAL_EXP constants.
4828 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4829 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4830 Handle regs stored by value.
4831 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4832 (execute_cfa_program): Handle DW_CFA_val_offset,
4833 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4834 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4835 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4836 (uw_install_context_1): Handle target regs stored by value.
4838 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4840 * tree-sra.c (tree_sra): Return todoflags;
4841 (generate_one_element): Set TODO_update_smt_usage if needed.
4842 (pass_sra): Remove TODO_update_smt_usage.
4843 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4845 (tree_ssa_forward_propagate_single_use_vars): Return
4846 TODO_update_smt_usage if we need to update SMT usage.
4847 (pass_forwprop): Remove TODO_update_smt_usage.
4849 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4851 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4852 (correct_use_link): Remove reference to get_stmt_operands.
4853 (update_stmt_operands): Likewise.
4854 (get_modify_expr_operands): New function factored out of
4855 parse_ssa_operands and get_expr_operands.
4856 Try to create V_MUST_DEFs for LHS by default.
4857 (get_expr_operands) <case MODIFY_EXPR>: Call
4858 get_modify_expr_operands.
4859 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4860 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4861 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4862 get_modify_expr_operands.
4864 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4866 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4867 * tree-flow.h: Remove the prototype for
4868 referenced_var_lookup_if_exists.
4870 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4872 PR rtl-optimization/26345
4874 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4876 2006-03-03 Roger Sayle <roger@eyesopen.com>
4878 PR tree-optimization/26524
4879 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4880 fold_convert to create a constant of the appropriate type.
4882 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4884 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4885 SYMBOL_REF_IN_BLOCK_P.
4886 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4887 of SYMBOL_FLAG_IN_BLOCK.
4888 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4889 instead of SYMBOL_REF_IN_BLOCK_P.
4890 * explow.c (use_anchored_address): Likewise.
4891 * rtl.c (rtx_size): Likewise.
4892 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4893 instead of SYMBOL_FLAG_IN_BLOCK.
4894 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4895 SYMBOL_REF_IN_BLOCK_P.
4896 (assemble_variable): Likewise.
4897 (output_constant_def_contents): Likewise.
4898 (output_constant_pool): Likewise.
4899 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4900 instead of SYMBOL_FLAG_IN_BLOCK.
4901 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4902 SYMBOL_REF_IN_BLOCK_P.
4903 (SYMBOL_REF_BLOCK): Likewise.
4904 (SYMBOL_REF_OFFSET): Likewise.
4905 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4906 SYMBOL_REF_IN_BLOCK_P.
4907 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4908 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4909 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4910 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4912 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4914 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4916 2006-03-02 Roger Sayle <roger@eyesopen.com>
4918 * simplify-rtx.c (simplify_unary_operation): When simplifying
4919 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4920 that we perform the right shift in the appropriate mode, and
4921 then extend or truncate the result to requested mode.
4923 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4925 * gengtype.c (main): Handle double_int type.
4926 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4927 * double-int.c: New file.
4928 * double-int.h: New file.
4929 * system.h: Include doubleint.h.
4930 * Makefile.in (SYSTEM_H): Include double-int.h.
4931 (double-int.o): Add.
4933 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4936 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4939 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4941 * tree-vrp.c (remove_range_assertions): Do not update statements
4944 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4946 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4948 * gcse.c (rest_of_handle_gcse): Ditto.
4949 * except.c (gate_handle_eh): Ditto.
4950 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4951 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4953 2006-03-02 Eric Christopher <echristo@apple.com>
4955 * config/i386/i386.c (machopic_output_stub): Add indirection to
4958 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4962 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4964 Sun Niagara specific optimizations.
4965 * config.gcc: Recognize niagara as target.
4966 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4967 (TARGET_CPU_niagara): Define.
4968 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4969 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4970 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4971 (ASM_CPU_SPEC): Likewise.
4972 (PROCESSOR_NIAGARA): New enum entry.
4973 (REGISTER_MOVE_COST): Handle Niagara.
4974 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4975 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4976 (sparc_override_options): Recognize "niagara", set appropriate
4977 default MASK_* values for it, and align functions to 32-bytes
4978 by default just like ULTRASPARC/ULTRASPARC3.
4979 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4980 (sparc64_initialize_trampoline): Likewise.
4981 (sparc_use_sched_lookahead): Use zero for niagara.
4982 (sparc_issue_rate): Use one for niagara.
4983 * config/sparc/niagara.md: New file.
4984 * config/sparc/sparc.md: Include it.
4985 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4986 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4987 when default cpu is niagara.
4988 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4989 (ASM_CPU_SPEC): Likewise.
4990 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4991 when default cpu is niagara.
4992 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4993 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4994 just like v9/ultrasparc/ultrasparc3.
4995 * doc/invoke.texi: Add documentation for "niagara" and improve
4996 existing documentation for ultrasparc variants.
4998 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5000 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5002 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5004 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5005 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5006 and say that only one is needed.
5007 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5008 * target.h (have_switchable_bss_sections): New hook.
5009 * explow.c (use_anchored_address): Check that the symbol is in a block.
5010 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5011 (bss_noswitch_section): New variables.
5012 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5013 (get_noswitch_section): New function.
5014 (get_block_for_section): Allow SECT to be null.
5015 (unlikely_text_section_p): Use SECTION_STYLE.
5016 (bss_initializer_p): New function.
5017 (get_variable_section): Move earlier in file. Take a new argument,
5018 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5019 Return one of the new *_sections in such cases.
5020 (get_block_for_decl): New function, extracting some logic from
5021 use_blocks_for_decl_p.
5022 (change_symbol_section): Remove in favor of...
5023 (change_symbol_block): ...this new function.
5024 (use_blocks_for_decl_p): Remove checks now performed by
5026 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5027 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5028 (emit_local, emit_bss, emit_common): ...these new functions.
5029 Return true if the alignment was honored.
5030 (emit_tls_common): New function.
5031 (asm_emit_uninitialised): Delete.
5032 (assemble_variable_noswitch): New function, split out from...
5033 (assemble_variable): ...here. Don't make decisions about common
5034 variables here. Globalize all public decls that go into non-common
5035 sections. Check whether SYMBOL_REF_BLOCK is null.
5036 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5037 (output_constant_pool): Likewise.
5038 (init_varasm_once): Initialize the new section variables.
5039 (have_global_bss_p): New function.
5040 (categorize_decl_for_section): Use bss_initializer_p.
5041 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5042 (place_block_symbol): Assert that the symbol must be in a block.
5043 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5044 (TARGET_INITIALIZER): Include it.
5045 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5046 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5047 (SECTION_MACH_DEP): Bump by two.
5048 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5049 (unnamed_section): Mention SECTION_UNNAMED in comment.
5050 (named_section): Likewise SECTION_NAMED.
5051 (noswitch_section_callback): New type.
5052 (noswitch_section): New structure.
5053 (section): Add a noswitch_section alternative.
5054 (SECTION_STYLE): New macro.
5055 (tls_comm_section, comm_section, lcomm_section): Declare.
5056 (bss_noswitch_section, have_global_bss_p): Declare.
5057 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5058 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5060 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5061 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5064 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5066 * tree-vrp.c (execute_vrp): Return value.
5067 * regrename.c (rest_of_handle_regrename): Ditto.
5068 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5069 * tree-complex.c (tree_lower_complex): Ditto.
5070 (tree_lower_complex_O0): Ditto.
5071 * tracer.c (rest_of_handle_tracer): Ditto.
5072 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5073 * postreload.c (rest_of_handle_postreload): Ditto.
5074 * tree-tailcall.c (execute_tail_recursion): Ditto.
5075 (execute_tail_calls): Ditto.
5076 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5077 * tree.h (init_function_for_compilation): Ditto.
5078 * ipa-cp.c (ipcp_driver): Ditto.
5079 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5080 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5081 * final.c (compute_alignments): Ditto.
5082 (rest_of_handle_final): Ditto.
5083 (rest_of_handle_shorten_branches): Ditto.
5084 (rest_of_clean_state): Ditto.
5085 * omp-low.c (execute_expand_omp): Ditto.
5086 (execute_lower_omp): Ditto.
5087 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5088 * ipa-reference.c (static_execute): Ditto.
5089 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5090 * reorg.c (rest_of_handle_delay_slots): Ditto.
5091 (rest_of_handle_machine_reorg): Ditto.
5092 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5093 * flow.c (recompute_reg_usage): Ditto.
5094 (rest_of_handle_remove_death_notes): Ditto.
5095 (rest_of_handle_life): Ditto.
5096 (rest_of_handle_flow2): Ditto.
5097 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5098 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5099 (do_ssa_store_ccp): Ditto.
5100 (execute_fold_all_builtins): Ditto.
5101 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5102 * modulo-sched.c (rest_of_handle_sms): Ditto.
5103 * ipa-pure-const.c (static_execute): Ditto.
5104 * cse.c (rest_of_handle_cse): Ditto.
5105 (rest_of_handle_cse2): Ditto.
5106 * web.c (rest_of_handle_web): Ditto.
5107 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5108 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5109 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5110 * tree-nrv.c (tree_nrv): Ditto.
5111 (execute_return_slot_opt): Ditto.
5112 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5113 (create_structure_vars): Ditto.
5114 * loop-init.c (rtl_loop_init): Ditto.
5115 (rtl_loop_done): Ditto.
5116 (rtl_move_loop_invariants): Ditto.
5117 (rtl_unswitch): Ditto.
5118 (rtl_unroll_and_peel_loops): Ditto.
5119 (rtl_doloop): Ditto.
5120 * gimple-low.c (lower_function_body): Ditto.
5121 (mark_used_blocks): Ditto.
5122 * tree-ssa-sink.c (execute_sink_code): Ditto.
5123 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5124 (cgraph_early_inlining): Ditto.
5125 * global.c (rest_of_handle_global_alloc): Ditto.
5126 * jump.c (cleanup_barriers): Ditto.
5127 (purge_line_number_notes): Ditto.
5128 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5129 (rest_of_handle_if_after_reload): Ditto.
5130 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5131 (tree_ssa_loop_im): Ditto.
5132 (tree_ssa_loop_unswitch): Ditto.
5133 (tree_vectorize): Ditto.
5134 (tree_linear_transform): Ditto.
5135 (tree_ssa_loop_ivcanon): Ditto.
5136 (tree_ssa_empty_loop): Ditto.
5137 (tree_ssa_loop_bounds): Ditto.
5138 (tree_complete_unroll): Ditto.
5139 (tree_ssa_loop_prefetch): Ditto.
5140 (tree_ssa_loop_ivopts): Ditto.
5141 (tree_ssa_loop_done): Ditto.
5142 * predict.c (tree_estimate_probability): Ditto.
5143 * recog.c (split_all_insns_noflow): Ditto.
5144 (rest_of_handle_peephole2): Ditto.
5145 (rest_of_handle_split_all_insns): Ditto.
5146 * tree-eh.c (lower_eh_constructs): Ditto.
5147 * regmove.c (rest_of_handle_regmove): Ditto.
5148 (rest_of_handle_stack_adjustments): Ditto.
5149 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5150 * function.c (instantiate_virtual_regs): Ditto.
5151 (init_function_for_compilation): Ditto.
5152 (rest_of_handle_check_leaf_regs): Ditto.
5153 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5154 (rest_of_handle_gcse): Ditto.
5155 * ipa-type-escape.c (type_escape_execute): Ditto.
5156 * alias.c (rest_of_handle_cfg): Ditto.
5157 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5158 * profile.c (rest_of_handle_branch_prob): Ditto.
5159 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5160 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5161 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5162 * tree-dfa.c (find_referenced_vars): Ditto.
5163 * except.c (set_nothrow_function_flags): Ditto.
5164 (convert_to_eh_region_ranges): Ditto.
5165 (rest_of_handle_eh): Ditto.
5166 * emit-rtl.c (unshare_all_rtl): Ditto.
5167 (remove_unnecessary_notes): Ditto.
5168 * except.h (set_nothrow_function_flags): Ditto.
5169 (convert_to_eh_region_ranges): Ditto.
5170 * cfgexpand.c (tree_expand_cfg): Ditto.
5171 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5172 * tree-ssa-pre.c (do_pre): Ditto.
5173 (execute_fre): Ditto.
5174 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5175 (rest_of_handle_jump2): Ditto.
5176 * tree-sra.c (tree_sra): Ditto.
5177 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5178 (execute_mudflap_function_decls): Ditto.
5179 * tree-ssa-copy.c (do_copy_prop): Ditto.
5180 (do_store_copy_prop): Ditto.
5181 * ipa-prop.h (ipcp_driver): Ditto.
5182 * cfglayout.c (insn_locators_initialize): Ditto.
5183 * tree-ssa-forwprop.c
5184 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5185 * cfglayout.h (insn_locators_initialize): Ditto.
5186 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5187 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5188 (execute_late_warn_uninitialized): Ditto.
5189 * rtl.h (cleanup_barriers): Ditto.
5190 (split_all_insns_noflow): Ditto.
5191 (purge_line_number_notes): Ditto.
5192 (unshare_all_rtl): Ditto.
5193 (remove_unnecessary_notes): Ditto.
5194 (recompute_reg_usage): Ditto.
5195 (variable_tracking_main): Ditto.
5196 * integrate.c (emit_initial_value_sets): Ditto.
5197 * integrate.h (emit_initial_value_sets): Ditto.
5198 * tree-optimize.c (execute_free_datastructures): Ditto
5199 (execute_free_cfg_annotations): Ditto.
5200 (execute_fixup_cfg): Ditto.
5201 (execute_cleanup_cfg_pre_ipa): Ditto.
5202 (execute_cleanup_cfg_post_optimizing): Ditto.
5203 (execute_init_datastructures): Ditto.
5204 * tree-object-size.c (compute_object_sizes): Ditto.
5205 * combine.c (rest_of_handle_combine): Ditto.
5206 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5207 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5208 (rest_of_handle_reorder_blocks): Ditto.
5209 (rest_of_handle_partition_blocks): Ditto.
5210 * var-tracking.c (variable_tracking_main): Ditto.
5211 * tree-profile.c (tree_profiling): Ditto.
5212 * tree-vect-generic.c (expand_vector_operations): Ditto.
5213 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5214 * sched-rgn.c (rest_of_handle_sched): Ditto.
5215 (rest_of_handle_sched2): Ditto.
5216 * basic-block.h (free_bb_insn): Ditto.
5217 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5218 * tree-cfg.c (execute_build_cfg): Ditto.
5219 (remove_useless_stmts): Ditto.
5220 (split_critical_edges): Ditto.
5221 (execute_warn_function_return): Ditto.
5222 (execute_warn_function_noreturn): Ditto.
5223 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5224 * cfgrtl.c (free_bb_for_insn): Ditto.
5225 * passes.c (execute_one_pass): Run additional
5226 todos returned by execute function.
5227 * tree-pass.h (struct tree_opt_pass): Make execute
5230 2006-03-02 Richard Guenther <rguenther@suse.de>
5232 * tree-ssa-alias.c (find_used_portions): Consider taking
5233 the address as making the variable not write-only.
5235 2006-03-02 Nick Clifton <nickc@redhat.com>
5237 * config.gcc (default_use_cxa_atexit): Extend the description of
5238 this configure variable. Set its default value to "yes" for
5239 Linux, NetBSD and ELF targets on the assumption that they will
5240 use C libraries with the __cxa_atexit function.
5242 2006-03-02 Ben Elliston <bje@au.ibm.com>
5244 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5245 parameter as unused to suppress a build warning.
5247 2006-03-02 Ben Elliston <bje@au.ibm.com>
5249 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5252 2006-03-01 Roger Sayle <roger@eyesopen.com>
5255 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5256 declared name, the weak reference name, and the typeof name.
5257 (__gthrw): Avoid expanding the declared name suffix.
5258 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5260 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5262 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5264 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5265 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5266 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5267 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5268 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5269 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5270 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5271 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5272 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5273 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5274 (DW_END_default, DW_END_big, DW_END_little): New.
5275 (DW_END_lo_user, DW_END_hi_user): Define.
5276 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5277 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5278 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5281 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5283 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5285 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5287 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5289 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5291 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5292 to 'symbol_mem_tag'.
5294 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5297 2006-03-01 Roger Sayle <roger@eyesopen.com>
5299 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5301 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5304 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5305 MACHO_DYNAMIC_NO_PIC_P.
5306 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5308 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5311 * config/darwin-protos.h (darwin_asm_output_anchor):
5313 * config/darwin-sections.def (cstring_section):
5314 Add SECTION_MERGE to the flags.
5315 (literal4_section): Likewise.
5316 (literal8_section): Likewise.
5317 (objc_selector_refs_section): Likewise.
5318 (objc_cls_refs_section): Likewise.
5319 * config/darwin.c (darwin_asm_output_anchor): New
5321 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5323 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5325 Fix PR tree-optimization/26443
5326 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5327 to todo and PROP_tmt_usage to properties_destroyed.
5328 * tree-ssa-ccp.c (pass_ccp): Ditto.
5329 (pass_store_ccp): Ditto.
5330 * tree-ssa-dom.c (pass_dominator): Ditto.
5332 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5334 * tree-ssa-operands.c: Cleanup whitespace.
5335 (get_asm_expr_operands): Move before first invocation.
5336 (get_indirect_ref_operands): Likewise.
5337 (get_tmr_operands): Likewise.
5338 (get_call_expr_operands): Likewise.
5339 (append_def): Likewise.
5340 (append_use): Likewise.
5341 (append_v_may_def): Likewise.
5342 (append_v_must_def): Likewise.
5343 (add_call_clobber_ops): Likewise.
5344 (add_call_read_ops): Likewise.
5345 (add_stmt_operand): Likewise.
5346 (add_virtual_operand): Likewise.
5347 (build_ssa_operands): Likewise.
5349 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5354 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5355 with a call expr to ...
5356 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5358 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5360 * tree-vrp.c (extract_range_from_assert): Remove special
5361 handling for types with super-types.
5363 2006-03-01 Ben Elliston <bje@au.ibm.com>
5365 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5366 and powerpc64-*-linux* configurations.
5367 * config/t-dfprules: New file.
5369 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5370 Compile dfp-bit.c from the source directory using -DWIDTH and
5371 $DFP_CFLAGS to control the compilation of that file, rather than
5372 generating width-specific versions in the build directory.
5373 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5374 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5376 2006-02-28 Zack Weinberg <zackw@panix.com>
5378 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5381 2006-02-28 Eric Christopher <echristo@apple.com>
5383 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5384 Set up IN_LIBGCC definition of TARGET_64BIT.
5385 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5387 2006-02-28 Roger Sayle <roger@eyesopen.com>
5390 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5391 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5392 cases via the construction of "expr != 0".
5394 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5396 * alias.c (alias_invariant, alias_invariant_size): Remove.
5397 (record_base_value): Remove.
5398 (memrefs_conflict_p): Don't look at alias_invariant.
5399 (end_alias_analysis): Don't free it.
5400 * alias.h (record_base_value): Remove prototype.
5402 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5403 Adam Nemet <anemet@caviumnetworks.com>
5405 * rtl.h (truncated_to_mode): Declare it.
5406 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5407 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5408 (RTL_HOOKS_INITIALIZER): Include it.
5409 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5410 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5411 reg_truncated_to_mode.
5412 * rtlanal.c (truncated_to_mode): Define it.
5413 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5415 2006-02-28 Jeff Law <law@redhat.com>
5417 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5418 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5419 the range allowed by TYPE_PRECISION.
5421 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5423 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5425 PR tree-optimization/26419
5426 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5429 2006-02-27 Zack Weinberg <zackw@panix.com>
5431 * doc/md.texi: Fix typo in previous change.
5433 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5437 2006-02-27 Zack Weinberg <zackw@panix.com>
5439 * rtl.def (define_constraint, define_register_constraint)
5440 (define_memory_constraint, define_address_constraint): New MD forms.
5441 * gensupport.c (process_rtx): Put define_constraint etc on the
5443 * genpreds.c (process_define_predicate): Adjust comment. Validate
5444 the name, and call validate_exp to validate the expression.
5445 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5446 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5447 all callers changed.
5448 (validate_exp, needs_variable, struct constraint_data)
5449 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5450 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5451 (const_dbl_constraints, constraint_max_namelen)
5452 (have_register_constraints, have_memory_constraints)
5453 (have_address_constraints, have_address_constraints)
5454 (have_extra_constraints, have_const_int_constraints)
5455 (have_const_dbl_constraints, mangle, add_constraint)
5456 (process_define_constraint, process_define_register_constraint)
5457 (write_enum_constraint_num, write_lookup_constraint)
5458 (write_insn_constraint_len, write_regclass_for_constraint)
5459 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5460 (write_insn_extra_memory_constraint)
5461 (write_insn_extra_address_constraint)
5462 (write_satisfies_constraint_fns): New.
5463 (write_tm_preds_h): If we have new-style constraint definitions,
5464 prototype the functions generated from them, and define the
5465 old constraint interface (still used by generic code) in terms of
5467 (write_insn_preds_c): If we have new-style constraint definitions,
5468 generate all relevant functions from those definitions.
5469 (main): Handle define_constraint etc.
5470 * genoutput.c (struct constraint_data, indep_constraints)
5471 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5472 (mdep_constraint_len): New data structures and functions, defined
5473 #ifdef USE_MD_CONSTRAINTS.
5474 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5475 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5476 use new logic to validate operand constraints against constraint
5478 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5480 * defaults.h: If none of the old-style constraint macros are
5481 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5482 old-style macros; and poison REG_CLASS_FROM_LETTER,
5483 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5485 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5486 * doc/md.texi: Document new constraint-definition mechanism and the
5487 C interface it provides. Remove references to old mechanism
5488 elsewhere in the document.
5489 (Machine Constraints): Use pathnames relative to gcc directory,
5490 i.e. config/ARCH/FILE. Change i386 section to refer to
5491 config/i386/predicates.md; update that section to match docstrings.
5492 * doc/tm.texi: Move all documentation of the old constraint-
5493 definition macros to their own section, clearly mark as obsolete.
5495 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5496 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5498 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5499 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5500 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5502 (splits and peepholes): Use satisfies_constraint_*.
5503 * config/i386/i386.c (memory_address_length)
5504 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5506 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5508 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5509 scalar operation to be put back into the loop.
5511 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5514 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5515 (extract_cie_info): Handle S flag in augmentation string.
5516 (execute_cfa_program): If context->signal_frame, execute also
5517 fs->pc == context->ra instructions.
5518 (uw_frame_state_for): If context->signal_frame, don't subtract one
5519 from context->ra to find FDE.
5520 (uw_update_context_1): Set context->signal_frame to
5522 (_Unwind_GetIPInfo): New function.
5523 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5524 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5526 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5527 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5528 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5529 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5530 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5531 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5532 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5533 x86_64_fallback_frame_state): Set fs->signal_frame.
5534 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5535 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5536 (frob_update_context): Likewise. Workaround missing S flag in
5537 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5538 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5539 Remove the psw_addr + 1 hack.
5541 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5543 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5544 with aggregates here.
5545 (find_func_aliases): Remove code for &<aggregate> from here.
5547 2006-02-26 Roger Sayle <roger@eyesopen.com>
5549 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5550 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5551 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5554 2006-02-26 Roger Sayle <roger@eyesopen.com>
5557 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5559 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5561 * opts.c (decode_options): Do not handle flag_strength_reduce.
5562 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5563 and OPT_fstrength_reduce.
5564 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5565 flag_prefetch_loop_arrays for being nonzero.
5566 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5568 (fprefetch-loop-arrays-rtl): Removed.
5569 (flag_prefetch_loop_arrays): Do not specify the value.
5571 * doc/passes.texi: Update documentation of loop optimizer
5573 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5574 -frerun-loop-opt): Remove.
5576 2006-02-26 Richard Guenther <rguenther@suse.de>
5578 PR tree-optimization/26421
5579 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5580 in function calls that are ADDR_EXPRs as using the whole structure.
5582 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5584 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5585 * tree-pass.h (pass_loop_optimize): Remove.
5586 * passes.c (pass_loop_optimize): Never run it.
5587 * toplev.c (backend_init): Don't call init_loop.
5588 * opts.c (flag_loop_optimize_set): Remove.
5589 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5590 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5591 the old RTL loop optimizer when profiling enabled.
5592 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5593 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5594 pre-headers for the sake of the old RTL loop optimizer.
5595 * Makefile.in: Remove all references to loop.o.
5597 * doc/invoke.texi: Remove all references to -floop-optimize
5598 and -frerun-loop-opt.
5600 2006-02-26 Zack Weinberg <zackw@panix.com>
5602 * doc/md.texi (Machine Constraints): Refer to all files with paths
5603 relative to gcc directory (i.e. config/CPU/file). Add missing
5604 @table @code ... @end table to M32C subsection.
5606 2006-02-26 Roger Sayle <roger@eyesopen.com>
5608 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5610 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5612 2006-02-26 Roger Sayle <roger@eyesopen.com>
5613 James A. Morrison <phython@gcc.gnu.org>
5616 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5617 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5618 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5619 signedness of the shift operation.
5621 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5623 PR tree-optimization/26359
5624 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5626 2006-02-25 Roger Sayle <roger@eyesopen.com>
5628 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5629 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5630 as X == 0, and some symmetry related transformations.
5631 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5633 2006-02-25 Roger Sayle <roger@eyesopen.com>
5636 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5637 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5638 symmetry related transformations. Fold (X^C1) == C2 as
5641 2006-02-25 Juergen Weigert <jw@suse.de>
5642 Richard Guenther <rguenther@suse.de>
5644 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5646 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5648 * combine.c (gen_lowpart_or_truncate): Call
5649 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5651 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5653 * doc/invoke.texi: Move -fopenmp description to "Options for
5655 Remove reference to -lgomp.
5657 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5659 * doc/install.texi: Require GNU tar version 1.14.
5661 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5663 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5664 * doc/invoke.texi (C++ Dialect Options): Document
5665 -fno-use-cxa-get-exception-ptr.
5666 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5667 * configure: Regenerate.
5668 * c.opt (fuse-cxa-get-exception-ptr): New.
5669 * c-opts.c (c_common_handle_option): Handle
5670 OPT_fuse_cxa_get_exception_ptr.
5671 * c-common.c (flag_use_cxa_atexit): Update documentation.
5672 (flag_use_cxa_get_exception_ptr): New.
5673 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5674 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5676 (C_COMMON_OVERRIDE_OPTIONS): New.
5678 2006-02-24 Roger Sayle <roger@eyesopen.com>
5681 * combine.c (try_combine): Explicitly check whether GET_CODE is
5682 a SET or a CLOBBER, instead on checking that it isn't a USE.
5684 2006-02-24 Roger Sayle <roger@eyesopen.com>
5686 * fold-const.c (fold_comparison): New subroutine of fold_binary
5687 containing transformations common to both the equality and
5688 ordering relational operators, factored out of fold_binary.
5689 (fold_binary): Separate out the equality operators (EQ_EXPR
5690 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5691 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5692 transformations common to both.
5693 (fold_div_compare): Fix latent bugs in the previously unreachable
5694 LT_EXPR and GE_EXPR cases.
5696 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5698 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5699 decl libname for clog to __clog on AIX.
5701 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5703 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5706 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5707 output traceback table for thunks. Localise rs6000_stack_info call.
5709 2006-02-23 Roger Sayle <roger@eyesopen.com>
5710 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5712 * gthr-posix.h (__gthrw): Fix typo in comment.
5714 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5716 * doc/cpp.texi (Character sets): Document that we do support
5717 input files to be in any character set.
5719 2006-02-23 Jeff Law <law@redhat.com>
5721 * tree.h (PHI_ARG_NONZERO): Remove.
5722 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5723 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5724 node to the new node.
5726 PR tree-optimization/26425
5727 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5728 min/max, then assume its varying.
5730 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5732 PR rtl-optimization/26316
5733 * rtlanal.c (enum may_trap_p_flags): New.
5734 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5735 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5736 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5737 (may_trap_after_code_motion_p): New function.
5738 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5739 (find_invariant_insn): Use may_trap_after_code_motion_p.
5740 * rtl.h (may_trap_after_code_motion_p): Declare.
5742 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5744 * emit-rtl.c (immed_double_const): Cleanup.
5746 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5748 Fix PR tree-optimization/26376
5749 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5752 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5755 * gimplify.c (omp_add_variable): Guard variable size decl test with
5756 DECL_SIZE (decl) check.
5758 2006-02-23 Richard Guenther <rguenther@suse.de>
5761 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5762 like aggregate types.
5764 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5766 * configure.ac: Add --with{,out}-long-double-128 configure option.
5767 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5768 * configure: Rebuilt.
5769 * config.in: Rebuilt.
5770 * doc/install.texi (Options specification): Document
5771 --with-long-double-128.
5773 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5774 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5775 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5776 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5778 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5780 * config/s390/s390.c (override_options): Handle
5781 TARGET_DEFAULT_LONG_DOUBLE_128.
5783 * config/alpha/alpha.c (override_options): Handle
5784 TARGET_DEFAULT_LONG_DOUBLE_128.
5786 * config/sparc/sparc.c (sparc_override_options): Handle
5787 TARGET_DEFAULT_LONG_DOUBLE_128.
5789 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5791 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5792 (real-install-headers-tar, real-install-headers-cpio)
5793 (real-install-headers-cp): New targets.
5795 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5797 * tree.h (variable_section): Delete.
5798 * varasm.c (variable_section): Delete.
5800 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5802 * install.texi: Add notes on install.texi2html.
5803 (Building in parallel): Do not use footnotes.
5805 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5808 * doc/install.texi (Configuration): Document --disable-libgomp.
5810 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5812 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5814 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5816 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5817 (vec_extractv2df_0_sse): New.
5819 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5821 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5822 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5823 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5824 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5825 to the result of the expression.
5826 (def_cfa_1): Adjust.
5827 (frame_pointer_cfa_offset): Rename to...
5828 (frame_pointer_fb_offset): ... this. Adjust all uses.
5829 (convert_cfa_to_loc_list): Rename to...
5830 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5831 Pass it on to build_cfa_loc.
5832 (compute_frame_pointer_to_cfa_displacement): Rename to...
5833 (compute_frame_pointer_to_fb_displacement): ... this. New
5834 offset parameter. Use it in computation.
5835 (gen_subprogram_die): Compute cfa_fb_offset with the new
5836 macro, and use it to compute the fb loc list and the
5839 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5841 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5842 replaced with register_operand.
5843 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5844 non-DREG is expensive.
5845 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5846 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5849 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5851 * doc/install.texi2html: Use set -e.
5853 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5855 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5856 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5857 * doc/invoke.texi (-fshared-data): Delete.
5858 * common.opt (fshared-data): Delete.
5859 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5860 (assemble_static_space): Remove #if 0 code.
5861 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5862 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5863 * config/cris/cris.h: Remove FIXME.
5865 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5867 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5870 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5873 * combine.c (simplify_shift_const_1): Disable nested shifts
5874 optimization for vector shifts.
5876 2006-02-20 Roger Sayle <roger@eyesopen.com>
5878 PR tree-optimization/26361
5879 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5880 of unsigned integer types.
5882 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5884 * tree-chrec.c (eq_evolutions_p): New.
5885 * tree-chrec.h (eq_evolutions_p): Declared.
5886 * tree-data-ref.c: Fix formatting.
5887 (datadep_stats, dependence_stats): New.
5889 (print_direction_vector): New.
5890 (dump_data_dependence_relation): Use print_direction_vector.
5891 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5892 (compute_subscript_distance): Static.
5893 (initialize_data_dependence_relation): Static. Get the number
5894 of loops surrounding the references from the callers, and initialize
5895 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5896 base_object_differ_p analyzers.
5897 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5898 compute_overlap_steps_for_affine_1_2,
5899 analyze_subscript_affine_affine): Count the classified dependences.
5900 Print a message when a test failed.
5901 (can_use_analyze_subscript_affine_affine): New.
5902 (analyze_siv_subscript): Compute the data dependences on symbolic
5903 scevs that verify can_use_analyze_subscript_affine_affine.
5904 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5905 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5906 Handle symbolic scevs.
5907 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5909 (subscript_dependence_tester): Moved...
5910 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5911 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5912 DDR_SIZE_VECT instead of getting it in parameter.
5913 (subscript_dependence_tester): ... here. Take as a parameter
5914 loop_nest_depth. Call build_classic_dist_vector and
5915 build_classic_dir_vector.
5916 (compute_affine_dependence): Update subscript_dependence_tester
5917 parameters. Update datadep_stats counters. Call
5918 compute_subscript_distance.
5919 (compute_self_dependence): Save the dist and dir vectors. Call
5920 compute_subscript_distance.
5921 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5922 (compute_all_dependences): Reorder parameters as they were before
5923 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5924 compute_subscript_distance. Update the use of
5925 compute_affine_dependence and initialize_data_dependence_relation.
5926 (find_data_references_in_loop): Handle COMPONENT_REF.
5927 (compute_data_dependences_for_loop): Initialize dependence_stats.
5928 Don't call build_classic_dist_vector and build_classic_dir_vector.
5929 Update the parameters of initialize_data_dependence_relation and
5930 compute_all_dependences. Print the statistics from datadep_stats.
5931 (analyze_all_data_dependences): Static. Not used until the pass for
5932 checking the data dependences is contributed.
5933 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5934 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5935 (initialize_data_dependence_relation, compute_affine_dependence,
5936 analyze_all_data_dependences, compute_subscript_distance): Removed.
5937 (print_direction_vector): New.
5938 * lambda.h (gcd): ... here.
5939 (lambda_vector_gcd): Moved here from gcd_vector.
5940 * lambda-code.c (gcd, gcd_vector): Removed.
5941 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5942 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5944 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5946 * ipa-type-escape.c: Tidy some comments and white space.
5947 * tree-ssa-operands.c: Likewise.
5949 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5952 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5953 (dump_decl_name): Do not walk the decl tree chains.
5954 * tree-pass.h (TDF_CHAIN): Remove.
5956 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5958 * Makefile.in (C): Remove
5960 (.PHONY): Remove C and PROTO
5962 2006-02-20 Roger Sayle <roger@eyesopen.com>
5965 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5966 deprecated CHAR_TYPE tree code.
5968 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5970 * configure.ac (target_list): Add install-info, dvi, html.
5971 * configure: Regenerate.
5973 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5974 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5975 treelang/Make-lang.in: Do not use double-colon rules.
5977 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5979 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5980 (TMT_USED_ALONE): New macro.
5981 * tree-pass.h (PROP_tmt_usage): New property.
5982 (TODO_update_tmt_usage): New todo.
5983 * tree-ssa-alias.c (updating_used_alone): New variable.
5984 (recalculate_used_alone): New function.
5985 (compute_may_aliases): Set updating_used_alone, call
5986 recalculate_used_alone.
5987 * tree-sra.c (pass_sra): Note that this pass destroys
5988 PROP_tmt_usage, and add TODO_update_tmt_usage.
5989 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5990 * tree-flow.h (updating_used_alone): Prototype.
5991 (recalculate_used_alone): Ditto.
5992 * passes.c (execute_todo): Add code to set updating_used_alone,
5993 and call recalculate.
5994 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5995 for clobber if used alone, and add assert to verify used_alone
5998 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6000 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6001 for non tls symbols added.
6002 (legitimize_address): Do nothing for PLUS expressions if one of the
6003 addends is a tls symbol reference.
6005 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6009 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6011 * Makefile.in (BOOTSTRAPPING): New.
6012 (quickstrap): New definition if BOOTSTRAPPING=yes.
6014 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6015 * configure.ac: Substitute all_selected_languages with the languages
6016 that were configured. For all the other variables except
6017 lang_specs_files, include all the languages in the tree.
6018 * configure: Regenerate.
6020 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6021 if there is one. Run the commands to run fixincludes in the same
6024 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6025 * doc/install.texi: Document exact conventions for searching target tools.
6026 Document --with-build-time-tools. Document toplevel bootstrap. Document
6027 something more about building an Ada cross-compiler. Don't list GNU Make
6028 requirements which affect all platforms.
6030 2006-02-19 Roger Sayle <roger@eyesopen.com>
6033 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6034 only equivalent if the have both the same mode and precision.
6036 2006-02-20 Ben Elliston <bje@au.ibm.com>
6038 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6040 2006-02-19 Roger Sayle <roger@eyesopen.com>
6041 Steven Bosscher <stevenb.gcc@gmail.com>
6043 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6044 constant pool references to identify stack mode constants.
6045 * rtlanal.c (constant_pool_constant_p): New predicate to check
6046 whether operand is a floating point constant in the pool.
6047 * rtl.h (constant_pool_constant_p): Prototype here.
6048 * loop.c (scan_loop): Avoid hoisting constants from the constant
6049 pool on STACK_REGS targets.
6050 (load_mems): Likewise.
6051 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6052 loads into x87 registers expensive in terms of register pressure.
6054 2006-02-19 Roger Sayle <roger@eyesopen.com>
6056 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6057 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6059 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6061 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6062 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6064 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6066 * doc/invoke.texi: Document -fipa-pta.
6067 * common.opt: Add ipa-pta option.
6068 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6069 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6070 (do_ds_constraint): Ditto.
6071 (get_constraint_for): Only add to referenced_vars if
6072 referenced_vars exists.
6073 (insert_into_field_list): Rewrite to do this unsorted.
6074 (insert_into_field_list_sorted): Rename old insert_into_field_list
6076 (create_function_info_for): Use insert_into_field_list_sorted.
6077 (create_variable_info_for): Rewrite so it uses unsorted version,
6078 since the field list is sorted.
6079 (intra_create_variable_infos): Only add to referenced_vars if
6080 referenced_vars exists.
6081 (ipa_pta_execute): Init heapvars, and delete when done.
6082 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6084 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6086 * doc/install.texi: Add missing `@samp'.
6088 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6090 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6093 2006-02-18 Mark Wielaard <mark@klomp.org>
6095 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6096 who added new 4.1 features, bug fixes and integration support.
6098 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6101 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6104 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6106 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6107 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6108 (copy_insn_1): Likewise. Don't copy each field individually.
6110 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6112 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6113 * rtl.c (rtx_size): Rename variable to...
6114 (rtx_code_size): ...this.
6115 (rtx_size): New function.
6116 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6117 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6119 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6120 * rtl.h (rtx_code_size): New variable.
6121 (rtx_size): Change from a variable to a function.
6122 (RTX_SIZE): Rename to...
6123 (RTX_CODE_SIZE): ...this.
6126 PR tree-optimization/17106
6127 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6128 (Anchored Addresses): New section.
6129 * doc/invoke.texi (-fsection-anchors): Document.
6130 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6131 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6132 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6133 * hooks.c (hook_bool_mode_rtx_false): New function.
6134 * hooks.h (hook_bool_mode_rtx_false): Declare.
6135 * gengtype.c (create_optional_field): New function.
6136 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6137 SYMBOL_REF_IN_BLOCK_P is true.
6138 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6139 (min_anchor_offset, max_anchor_offset): Likewise.
6140 (use_anchors_for_symbol_p): New hook.
6141 * toplev.c (compile_file): Call output_object_blocks.
6142 (target_supports_section_anchors_p): New function.
6143 (process_options): Check that -fsection-anchors is only used on
6144 targets that support it and when -funit-at-a-time is in effect.
6145 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6146 if the decl doesn't have one.
6147 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6148 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6149 of force_const_mem through use_anchored_address.
6150 (expand_expr_constant): New function.
6151 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6152 calling expand_expr for INDIRECT_REF.
6153 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6154 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6155 * expr.h (use_anchored_address): Declare.
6156 * loop-unroll.c: Don't declare rtx vectors here.
6157 * explow.c: Include output.h.
6158 (validize_mem): Call use_anchored_address.
6159 (use_anchored_address): New function.
6160 * common.opt (-fsection-anchors): New switch.
6161 * varasm.c (object_block_htab, anchor_labelno): New variables.
6162 (hash_section, object_block_entry_eq, object_block_entry_hash)
6163 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6164 (use_blocks_for_decl_p, change_symbol_section): New functions.
6165 (get_variable_section): New function, split out from assemble_variable.
6166 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6167 use_blocks_for_decl_p say so. Use change_symbol_section if the
6168 symbol has already been created.
6169 (assemble_variable_contents): New function, split out from...
6170 (assemble_variable): ...here. Don't output any code for
6171 block symbols; just pass them to place_block_symbol.
6172 Use get_variable_section and assemble_variable_contents.
6173 (get_constant_alignment, get_constant_section, get_constant_size): New
6174 functions, split from output_constant_def_contents.
6175 (build_constant_desc): Create a block symbol if use_object_blocks_p
6176 says so. Or into SYMBOL_REF_FLAGS.
6177 (assemble_constant_contents): New function, split from...
6178 (output_constant_def_contents): ...here. Don't output any code
6179 for block symbols; just pass them to place_section_symbol.
6180 Use get_constant_section and get_constant_alignment.
6181 (force_const_mem): Create a block symbol if use_object_blocks_p and
6182 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6183 (output_constant_pool_1): Add an explicit alignment argument.
6184 Don't switch sections here.
6185 (output_constant_pool): Adjust call to output_constant_pool_1.
6186 Switch sections here instead. Don't output anything for block symbols;
6187 just pass them to place_block_symbol.
6188 (init_varasm_once): Initialize object_block_htab.
6189 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6190 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6191 (place_block_symbol, get_section_anchor, output_object_block)
6192 (output_object_block_htab, output_object_blocks): New functions.
6193 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6194 (TARGET_ASM_OUT): Include it.
6195 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6196 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6197 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6198 (TARGET_INITIALIZER): Include them.
6199 * rtl.c (rtl_check_failed_block_symbol): New function.
6200 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6201 (block_symbol, object_block): New structures.
6202 (rtx_def): Add a block_symbol field to the union.
6203 (BLOCK_SYMBOL_CHECK): New macro.
6204 (rtl_check_failed_block_symbol): Declare.
6205 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6206 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6207 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6208 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6209 * output.h (output_section_symbols): Declare.
6210 (object_block): Name structure.
6211 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6212 (default_use_anchors_for_symbol_p): Declare.
6213 * Makefile.in (RTL_BASE_H): Add vec.h.
6214 (explow.o): Depend on output.h.
6215 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6216 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6217 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6218 (rs6000_use_blocks_for_constant_p): New function.
6220 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6222 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6224 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6227 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6230 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6232 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6236 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6239 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6240 instead of DECL_REGISTER.
6242 2006-02-18 Olivier Hainque <hainque@adacore.com>
6245 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6247 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6250 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6251 * opth-gen.awk: Handle Var and InverseMask together.
6252 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6253 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6254 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6255 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6257 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6258 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6259 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6260 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6261 LINUX_DYNAMIC_LINKER): Define.
6262 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6263 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6265 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6266 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6267 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6268 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6269 (TARGET_C99_FUNCTIONS): Don't define.
6270 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6271 GLIBC_DYNAMIC_LINKER.
6272 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6273 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6274 GLIBC_DYNAMIC_LINKER64): Define.
6275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6276 LINUX_DYNAMIC_LINKER64.
6277 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6279 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6281 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6283 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6284 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6285 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6286 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6287 and LINUX_DYNAMIC_LINKER32.
6288 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6290 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6292 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6294 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6295 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6296 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6297 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6298 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6299 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6300 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6301 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6302 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6303 LINUX_DYNAMIC_LINKER): Define.
6304 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6305 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6306 GLIBC_DYNAMIC_LINKER64): Define.
6307 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6308 LINUX_DYNAMIC_LINKER64.
6309 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6310 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6311 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6312 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6313 LINUX_DYNAMIC_LINKER): Define.
6314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6315 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6316 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6317 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6318 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6319 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6320 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6321 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6322 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6323 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6325 * doc/invoke.texi (-muclibc): Remove caveat about supported
6328 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6330 * doc/cpp.texi (__TIMESTAMP__): Document.
6332 2006-02-17 Roger Sayle <roger@eyesopen.com>
6335 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6336 C is one less than the width of X (and related transformations).
6337 * simplify-rtx.c (simplify_unary_operation_1): Transform
6338 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6339 depending on STORE_FLAG_VALUE, were C is one less then the
6342 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6344 Fix PR tree-optimization/26341
6345 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6346 about NAME_MEMORY_TAG's.
6348 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6351 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6352 with hardware float support, and software float support. Add fcpy
6353 alternative to hardware patterns. Add alternatives to copy between
6354 general and floating-point registers to the 32-bit pattern.
6355 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6356 secondary reload to load a QI or HI mode constant into a floating
6358 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6359 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6361 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6364 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6366 (load_macho_picbase_di): Likewise.
6368 2006-02-16 Jeff Law <law@redhat.com>
6370 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6371 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6372 (ssa_name_nonzero_p): Likewise.
6373 (get_value_range): Return NULL if VRP is not running.
6374 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6375 VRP routines do not discover a range.
6376 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6377 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6378 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6379 (tree_expr_nonnegative_p): Similarly.
6380 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6381 (restore_nonzero_vars_to_original_value): Remove.
6382 (unsafe_associative_fp_binop): Remove.
6383 (tree_ssa_dominator_optimize): Remove initialization and
6384 finalization of nonzero_vars and nonzero_vars_stack.
6385 (dom_opt_initialize_block): No longer push marker on
6387 (dom_opt_finalize_block): No longer call
6388 restore_nonzero_vars_to_original_value.
6389 (record_equivalences_from_phis): No longer look for
6390 nonzero PHI arguments.
6391 (cprop_into_successor_phis): No longer propagate nonzero
6392 property into PHI arguments. Lose unused argument. Caller
6394 (record_equivalences_from_stmt): No longer record nonzero
6395 values for SSA_NAMEs.
6396 (lookup_avail_expr): No longer use nonzero_vars.
6398 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6399 for sizetype when sizetype is unsigned.
6401 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6403 PR rtl-optimization/25603
6404 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6405 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6406 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6407 with new meaning of SETS.
6409 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6414 * config/linux.opt: New file.
6415 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6416 LINUX_DYNAMIC_LINKER): Define.
6417 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6418 * config.gcc (*-*-linux*): Define extra_options.
6419 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6420 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6421 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6422 GLIBC_DYNAMIC_LINKER.
6423 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6424 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6425 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6427 * doc/invoke.texi (GNU/Linux Options): New section.
6429 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6431 * config/sparc/sparc.md (setjmp): Rewrite.
6432 (setjmp_32): Delete.
6433 (setjmp_64): Likewise.
6435 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6437 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6440 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6442 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6445 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6447 PR rtl-optimization/26296
6448 * Makefile.in (loop-invariant.c): Add except.h dependency.
6449 * loop-invariant.c: Include except.h.
6450 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6452 2005-02-16 Paul Brook <paul@codesourcery.com>
6454 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6457 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6459 PR rtl-optimization/25636
6460 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6461 when deciding whether an insn is an initializing insn.
6463 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6465 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6466 (tree_code_size): Ditto.
6467 * tree.h (struct tree_memory_tag): Remove parent_var.
6468 (struct tree_struct_field_tag): New.
6471 (union tree_node): Add sft member.
6472 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6474 (create_sft): Add size and offset argument, set SFT_OFFSET and
6476 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6477 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6478 * tree-flow-inline.h (get_subvar_at): Update for
6479 SFT_OFFSET/SFT_SIZE.
6480 (var_can_have_subvars): Ditto.
6481 (overlap_subvar): Ditto.
6482 * print-tree.c (print_node): Print out interesting things for
6484 * tree-flow.h (struct subvar): Remove offset and size members.
6485 * tree-ssa-operands.c (get_expr_operands): Update for
6486 get_indirect_ref_operands changes.
6487 (get_indirect_ref_operands): Call add_virtual_operand instead of
6488 add_stmt_operand. Only recurse on base var if requested.
6489 (access_can_touch_variable): New function.
6490 (add_stmt_operand): Split virtual operand handling into ...
6491 (add_virtual_operand): Here. Add offset, size, and for_clobber
6492 arguments. Prune alias sets.
6493 (add_call_clobber_ops): Call add_virtual_operand.
6495 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6498 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6500 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6501 than TREE_CODE as index into omp_clause_num_ops array.
6503 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6505 PR rtl-optimization/26184
6506 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6508 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6509 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6510 must_precede, must_follow and tobe_scheduled.
6513 * opts.c (common_handle_option): Free new_option pointer.
6514 * df-core.c (df_analyze): Free postorder pointer.
6516 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6518 * Makefile.in: Fix the examples about the use of stamps
6520 2006-02-15 Michael Matz <matz@suse.de>
6524 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6525 influenced by maximum_field_alignment or DECL_PACKED.
6526 (update_alignment_for_field): Ditto.
6527 (place_field): Ditto.
6528 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6531 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6533 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6534 (debug_flow_info): Pass it.
6535 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6536 * bb-reorder.c (reorder_basic_blocks): Likewise.
6537 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6538 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6539 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6540 * gcse.c (gcse_main, bypass_jumps): Likewise.
6541 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6542 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6543 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6544 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6545 * rtl.h (dump_flow_info): Adjust prototype.
6546 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6547 * var-tracking.c (variable_tracking_main): Likewise.
6548 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6549 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6552 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6554 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6557 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6559 PR tree-optimization/26209
6560 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6561 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6563 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6565 2006-02-14 Roger Sayle <roger@eyesopen.com>
6568 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6569 (X,Y) and the corresponding symmetry related transformations.
6570 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6571 (X,Y) and its symmetry related transformations.
6573 2006-02-14 Roger Sayle <roger@eyesopen.com>
6575 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6578 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6580 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6582 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6585 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6586 support COMDAT group.
6587 * configure: Regenerate.
6589 2006-02-14 Roger Sayle <roger@eyesopen.com>
6594 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6596 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6598 Fix PR tree-optimization/26260
6600 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6602 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6603 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6604 * tree-ssa-structalias.c (create_variable_info_for): Use
6605 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6607 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6609 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6611 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6612 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6613 of the ending condition.
6614 * tree-ssa-loop-manip.c: Include params.h.
6615 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6616 tree_unroll_loop): New functions.
6617 * tree-pass.h (pass_loop_prefetch): Declare.
6618 * loop.c (rest_of_handle_loop_optimize): Test for
6619 -fprefetch-loop-arrays-rtl.
6620 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6621 * timevar.def (TV_TREE_PREFETCH): New timevar.
6622 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6623 pass_loop_prefetch): New.
6624 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6625 (cleanup_tree_cfg_loop): Call scev_reset.
6626 * common.opt (fprefetch-loop-arrays-rtl): Add.
6627 * tree-ssa-loop-prefetch.c: New file.
6628 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6629 (new_temp_expr_table): Initialize expr_vars.
6630 (free_temp_expr_table): Cleanup expr_vars.
6631 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6632 expressions from being merged into one.
6633 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6634 (struct tree_niter_desc): Add control, bound and cmp fields.
6635 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6637 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6638 (tree-cfgcleanup.o): Add SCEV_H dependency.
6639 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6640 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6642 2006-02-14 Richard Guenther <rguenther@suse.de>
6644 PR tree-optimization/26258
6645 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6646 in PHI argument processing.
6648 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6650 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6651 new expression in the requested machine mode.
6653 2006-02-13 Roger Sayle <roger@eyesopen.com>
6655 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6656 directly, instead let do_compare_rtx_and_jump handle this for us.
6657 * expr.c (expand_expr_real_1): Likewise.
6658 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6659 before do_jump_by_parts_greater.
6660 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6661 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6663 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6665 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6667 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6669 PR rtl-optimization/26235
6670 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6671 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6674 2006-02-13 Jeff Law <law@redhat.com>
6676 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6679 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6682 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6683 twice if decl is a builtin. When trying again, call get_callee_fndecl
6684 first to verify it is still a builtin.
6686 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6688 * dwarf2out.c (base_type_die): Don't add AT_name here.
6689 (subrange_type_die): Don't add AT_name here.
6690 (modified_type_die): Rearrange code flow. Do add AT_name here.
6692 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6694 PR rtl-optimization/26247
6695 PR rtl-optimization/26248
6696 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6698 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6700 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6701 * config/fixtfdi.c: Likewise.
6702 * config/fixunstfdi.c: Likewise.
6703 * config/floatditf.c: Likewise.
6705 2006-02-13 Roger Sayle <roger@eyesopen.com>
6708 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6709 into (X,C2) if C1 is a subset of the bits of C2. Transform
6710 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6712 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6714 2006-02-13 Josh Conner <jconner@apple.com>
6717 * varasm.c (function_section): Check for section name before
6718 calling select_section on targets that define
6719 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6720 unlikely_text_section instead of hot_function_section if
6721 first_function_block_is_cold.
6723 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6726 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6728 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6730 PR rtl-optimization/26222
6731 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6732 after tree->rtl expansion.
6733 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6734 before passing it to emit_move_insn.
6736 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6738 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6740 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6741 Clarify documentation.
6742 * c-common.h (warn_write_strings): Remove.
6743 * c-common.c (warn_write_strings): Likewise.
6744 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6747 2006-02-12 Roger Sayle <roger@eyesopen.com>
6750 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6751 (do_jump_parts_zero_rtx): New function renamed from
6752 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6753 (do_jump_parts_equality_rtx): New function split out from
6754 do_jump_parts_equality. Old implementation renamed as above.
6755 Call do_jump_parts_zero_rtx if either operand is zero.
6756 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6757 do all of the heavy lifting.
6758 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6759 calling either do_jump_by_parts_greater_rtx or
6760 do_jump_by_parts_equality_rtx.
6761 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6762 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6763 moved to do_compare_rtx_and_jump, call it directly.
6764 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6765 mode argument. Call do_compare_rtx_and_jump.
6766 (emit_case_nodes): Update calls to do_jump_if_equal.
6768 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6770 PR rtl-optimization/26225
6771 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6773 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6775 PR rtl-optimization/26232
6776 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6778 2006-02-11 Jason Merrill <jason@redhat.com>
6781 * tree-inline.c (declare_return_variable): Just don't use the
6782 modify target if it's a gimple complex reg and the return slot
6785 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6787 * doc/contrib.texi: Update my entry.
6789 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6791 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6793 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6795 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6798 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6800 * doc/invoke.texi (-floop-optimize2): Removed.
6801 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6802 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6803 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6804 * common.opt (floop-optimize2): Removed.
6805 (fmove-loop-invariants): Enabled by default.
6807 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6809 * tree-if-conv.c (combine_blocks): Free the result of
6810 get_loop_exit_edges.
6812 2006-02-10 Jeff Law <law@redhat.com>
6814 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6816 PR tree-optimization/26213
6817 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6818 loop trying to follow SSA_NAME_VALUE chains.
6820 2006-02-10 Richard Guenther <rguenther@suse.de>
6822 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6823 deal with structures that end in implicitly variable sized arrays.
6825 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6827 PR rtl-optimization/24762
6828 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6831 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6833 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6834 (struct ivopts_data): Add regs_used field.
6835 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6836 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6837 instead of loop_data->regs_used;
6838 (free_loop_data): Do not free aux fields for loops.
6839 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6840 and tree_ssa_iv_optimize_finalize.
6842 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6844 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6846 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6849 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6850 computing the effective result type.
6852 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6855 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6856 (tree_overlaps_hard_reg_set): Declare.
6857 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6858 type and signature to match function type expected by walk_tree.
6859 (tree_overlaps_hard_reg_set): New function.
6860 (decl_conflicts_with_clobbers_p): Rename to:
6861 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6862 Use tree_overlaps_hard_reg_set. Changed caller.
6863 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6864 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6865 * cris.c (cris_md_asm_clobbers): Likewise.
6867 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6869 * reload1.c (emit_input_reload_insns): Delete code that tries to
6870 inherit using find_equiv_reg.
6872 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6874 * c-common.h (flag_const_strings): Don't declare.
6875 * c-common.c (flag_const_strings): Remove.
6876 * c.opt (fconst_strings): Remove.
6877 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6878 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6879 (c_common_init_options): Don't set flag_const_strings.
6880 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6882 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6884 * arm.md (tlobits_cbranch): New pattern.
6885 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6886 testing a single bit.
6888 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6891 * tree-ssa-pre.c (create_component_ref_by_pieces):
6892 Handle RETURN_DECL like VAR_DECL.
6894 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6897 * fold-const.c (fold_indirect_ref_1): Fold
6898 "*(foo *)&complexfoo" to "__real__ complexfoo"
6899 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6901 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6903 * tree-flow-inline.h (var_can_have_subvars):
6904 Volatile variables should not have subvariables.
6906 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6909 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6910 multiplying unsigned values.
6913 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6915 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6917 2006-02-08 Jason Merrill <jason@redhat.com>
6920 * tree.def: Elaborate on difference from MODIFY_EXPR.
6921 * doc/c-tree.texi (INIT_EXPR): Likewise.
6922 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6923 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6924 (gimplify_target_expr): Likewise.
6925 (gimplify_cond_expr): Remove target handling.
6926 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6927 (gimplify_expr): Clobber it here.
6928 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6929 Do return slot optimization if we have an INIT_EXPR.
6932 * tree-inline.c (declare_return_variable): Also clear
6933 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6936 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6939 * gimplify.c (gimplify_one_sizepos): Fix typo.
6941 2006-02-08 Jeff Law <law@redhat.com>
6943 PR tree-optimization/21417
6944 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6945 across a backedge if the control statement at the end of the
6946 block is data dependent on other statements in the same block.
6947 (record_temporary_equivalences_from_stmts): Remove over-conservative
6948 test for threading across backedges.
6950 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6951 control statement, handle all three special cases in the same
6952 manner as they all have the same desired solution. No longer
6953 special case edge flag updating when the post dominator is
6956 2006-02-08 Roger Sayle <roger@eyesopen.com>
6958 * tree.def (CHAR_TYPE): Remove.
6959 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6960 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6961 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6962 (gen_string_type_die): Delete unreachable function.
6964 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6965 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6966 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6967 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6968 * builtins.c (type_to_class): Likewise.
6969 * fold-const.c (fold_convert, build_range_check,
6970 merge_ranges): Likewise.
6971 * expr.c (count_type_elements): Likewise.
6972 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6973 * stor-layout.c (layout_type): Likewise.
6974 * ipa-type-escape.c (type_to_consider): Likewise.
6975 * gimplify.c (omp_firstprivatize_type_sizes,
6976 gimplify_type_sizes): Likewise.
6977 * explow.c (promote_mode): Likewise.
6978 * tree-sra.c (is_sra_scalar_type): Likewise.
6979 * varasm.c (output_constant): Likewise.
6980 * tree-inline.c (remap_type_1): Likewise.
6981 * convert.c (convert_to_pointer, convert_to_real,
6982 convert_to_integer, convert_to_complex): Likewise.
6984 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6986 * df-scan.c (df_def_record_1): A set destination may
6987 be a parallel regardless of mode.
6989 2006-02-08 Roger Sayle <roger@eyesopen.com>
6992 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6993 * config/mips/_tilib.c: Remove.
6994 * config/fixtfdi.c: New libgcc source file.
6995 * config/fixunstfdi.c: New source file.
6996 * config/floatditf.c: New source file.
6997 * config/floatunditf.c: New souce file.
6998 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6999 files above instead of config/mips/_tilib.c.
7000 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7002 2006-02-08 Jeff Law <law@redhat.com>
7004 PR tree-optimization/26169
7005 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7008 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7010 * df.h (DF_REG_SIZE): Return the length of the initialized
7013 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7015 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7016 __muldf3): Return a correctly signed zero.
7018 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7020 * passes.c (register_one_dump_file): Accept the current properties
7021 instead of pass number. Adjust call to dump_register. Remove
7023 (register_dump_files): Now a wrapper around...
7024 (register_dump_files_1): ... this one. Do not modify the pass
7026 (next_pass_1): Cosmetic fix.
7027 (execute_todo): Keep second parameter only. Use curr_properties
7028 instead of fetching it from the pass structure. Check and set
7030 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7031 instead of fetching it from the pass structure. Fix calls to
7032 execute_todo. Update curr_properties and initialize .vcg RTL dump
7033 after running the pass. Reset last_verified.
7034 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7036 (FIRST_AUTO_NUMBERED_DUMP): New.
7037 (dump_register): Remove "num" parameter, assign it within the
7039 (get_dump_file_name): Modify template for dumps.
7040 * tree-dump.h (dump_register): Adjust prototype.
7041 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7042 (PROP_trees): Add PROP_gimple_lomp.
7043 (TODO_set_props): New.
7044 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7045 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7046 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7048 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7050 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7051 (sparc64-*-linux*): Likewise.
7052 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7053 * config/sparc/t-linux: New file.
7054 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7055 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7056 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7057 -m32 -mlong-double-128.
7059 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7060 * config/alpha/t-linux: New file.
7061 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7063 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7064 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7065 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7066 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7067 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7068 (CPP_ARCH32_SPEC): Remove.
7070 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7072 PR tree-optimization/26145
7073 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7076 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7079 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7080 >= 240000 when generating code for SOM runtime.
7081 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7082 to $$dyncall when generating code for SOM runtime..
7084 2006-02-07 Dirk Mueller <dmueller@suse.com>
7087 * doc/invoke.texi (-Wsequence-point): Update documentation
7088 that -Wsequence-point is implemented for C++ as well.
7090 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7092 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7093 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7094 (LIB_SPEC): Likewise.
7095 * doc/invoke.texi (SPARC options): Document -pthread.
7097 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7099 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7102 2006-02-07 Roger Sayle <roger@eyesopen.com>
7104 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7105 Correct comment describing BOOLEAN_TYPE.
7107 2006-02-07 Dirk Mueller <dmueller@suse.com>
7109 * c.opt: C++ frontend supports -Wdiv-by-zero.
7110 * c-opts.c (c_common_handle_option): Remove dead case.
7112 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7114 * configure.ac (TLS assembler check): Do not enable TLS by
7115 default on SPARC/Solaris before version 10.
7116 * configure: Regenerate.
7118 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7120 * doc/invoke.texi (xl-compat): Document conversion and support
7123 2006-02-07 Jeff Law <law@redhat.com>
7125 * tree-vrp.c (find_conditional_asserts): Update comments.
7126 (simplify_stmt_for_jump_threading): New.
7127 (identify_jump_threads, finalize_jump_threads): New.
7128 (vrp_finalize): Call identify_jump_threads.
7129 (execute_vrp): Call finalize_jump_threads.
7130 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7131 (vrp_element, vrp_data, vrp_element_p): Remove.
7132 (vrp_hash_elt, vrp_variables_stack): Remove.
7133 (vrp_hash, vrp_eq, record_range): Remove.
7134 (simplify_cond_and_lookup_avail_expr): Remove.
7135 (extract_range_from_cond): Remove.
7136 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7137 (simplify_stmt_for_jump_threading): New.
7138 (dom_thread_across_edge): New wrapper.
7139 (tree_ssa_dominator_optimize): No longer initialize or
7140 finalize any of the VRP datastructures. Remove iteration
7141 step and simplify as a result of removal of iteration step.
7142 (pass_dominator): Perform a cfg cleanup after DOM.
7143 (dom_opt_finalize_block): Use the new common routines
7144 for threading jumps. Simplify stack management slightly.
7145 No longer need to unwind VRP state.
7146 (record_equivalences_from_incoming_edge): No longer record
7148 (eliminate_redundant_computations): No longer call
7149 simplify_cond_and_lookup_avail_expr.
7150 * tree-flow.h (potentially_threadable_block): Prototype.
7151 (thread_across_edge): Likewise.
7152 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7153 (tree-ssa-threadedge.o): Add dependencies.
7154 * tree-ssa-threadedge.c: New file.
7155 * passes.c (init_optimization_passes): Merge PHIs before
7156 calling VRP. Run VRP again late in the SSA optimization pipeline.
7158 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7160 * df-core.c (df_set_blocks): Do not dereference function pointers.
7161 (df_finish1): Likewise.
7162 (df_hybrid_search_forward): Likewise.
7163 (df_hybrid_search_backward): Likewise.
7164 (df_iterative_dataflow): Likewise.
7165 (df_analyze_problem): Likewise.
7166 (df_compact_blocks): Likewise.
7167 (df_dump): Likewise.
7168 * df-scan.c (df_rescan_blocks): Likewise.
7169 (df_record_entry_block_defs): Likewise.
7171 * genconditions.c (write_conditions): Guard the definition of
7172 'insn_conditions' with the check on GCC version.
7173 (write_writer): Guard the traversal 'insn_conditions' with
7174 the check on GCC version.
7176 2006-02-07 Richard Guenther <rguenther@suse.de>
7180 2006-01-30 Richard Guenther <rguenther@suse.de>
7182 * gimplify.c (gimplify_target_expr): Handle easy cases
7183 without creating a temporary.
7185 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7187 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7188 use of float in probability computations. Use edge probabilities
7189 in place of statically computed probabilities.
7190 (min_spec_prob): New static variable.
7191 (schedule_insns): Initialize it.
7192 (GET_SRC_PROB): Removed.
7193 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7195 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7198 * config/ia64/unwind-ia64.c: Revert last change.
7199 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7200 (INCOMING_FRAME_SP_OFFSET): Define.
7202 2006-02-06 Roger Sayle <roger@eyesopen.com>
7204 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7206 2006-02-07 Ben Elliston <bje@au.ibm.com>
7208 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7209 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7210 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7211 (ix86_return_in_memory): Handle TDmode.
7212 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7213 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7215 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7217 * reorg.c (dbr_schedule): Use dump_file instead of file.
7219 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7222 * config/ia64/predicates.md (extr_len_operand): New predicate.
7223 * config/ia64/ia64.md (extv): Tighten constraints.
7225 (*tbit_and_2): Ditto.
7226 (*tbit_and_3): Ditto.
7227 (*tbit_or_2): Ditto.
7228 (*tbit_or_3): Ditto.
7232 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7235 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7237 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7239 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7240 loop_optimizer_init and loop_optimizer_finalize
7241 * tree-ssa-sink.c (execute_sink_code): Ditto.
7242 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7243 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7244 tree_ssa_loop_done): Ditto.
7245 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7246 * sched-ebb.c: Include output.h.
7247 (schedule_ebbs): Do not use dump argument.
7248 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7249 * loop.c (loop_dump_stream): Removed.
7250 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7252 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7253 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7254 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7255 loop_iterations, strength_reduce, record_biv, record_giv,
7256 final_giv_value, check_final_value, check_ext_dependent_givs,
7257 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7258 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7259 dump_file instead of loop_dump_stream.
7260 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7262 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7264 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7265 * haifa-sched.c: Include output.h
7266 (schedule_insns, sched_init): Do not use dump argument.
7267 * mode-switching.c (optimize_mode_switching): Ditto.
7268 * modulo-sched.c (stats_file): Removed.
7269 (print_node_sched_params): Do not call argument dump_file.
7270 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7271 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7273 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7275 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7276 rtl_loop_init, rtl_loop_done): Ditto.
7277 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7278 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7280 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7281 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7282 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7283 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7284 * emit-rtl.c (renumber_insns): Ditto.
7285 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7286 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7287 * regclass.c (regclass): Ditto.
7288 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7289 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7290 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7291 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7293 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7294 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7296 * gcse.c (gcse_file, debug_stderr): Removed.
7297 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7298 rest_of_handle_gcse): Do not use dump argument.
7299 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7300 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7301 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7302 compute_code_hoist_vbeinout, compute_code_hoist_data,
7303 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7304 compute_store_table, build_store_vectors, insert_insn_start_bb,
7305 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7306 store_motion): Use dump_file instead of gcse_file.
7307 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7308 * profile.c (profile_dump_file): Removed.
7309 (branch_prob): Use dump_file instead of profile_dump_file.
7310 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7312 * tree-ssa-copy.c (dump_copy_of): Ditto.
7313 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7314 dump file to life_analysis.
7315 * bt-load.c (branch_target_load_optimize): Ditto.
7316 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7318 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7319 regclass, dbr_schedule): Declaration changed.
7320 * sched-int.h (sched_init): Declaration changed.
7321 * tree-profile.c (tree_profile_dump_file): Removed.
7322 (tree_profile_hooks): Removed profile_dump_file hook.
7323 * rtl-profile (rtl_profile_dump_file): Removed.
7324 (rtl_profile_hooks): emoved profile_dump_file hook.
7325 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7327 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7328 * tree-cfg.c (build_tree_cfg): Ditto.
7329 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7330 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7331 Declaration changed.
7332 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7333 life_analysis and schedule_insns.
7334 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7336 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7338 * config/mips/mips.c (mips_reorg): Ditto.
7339 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7342 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7344 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7345 (s390_mangle_fundamental_type): New.
7346 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7349 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7350 (alpha_mangle_fundamental_type): New.
7351 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7354 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7356 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7358 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7359 (sparc_mangle_fundamental_type): New.
7361 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7363 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7364 (s390x-*-linux*): Likewise.
7365 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7366 * config/s390/t-linux: New file.
7368 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7370 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7371 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7373 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7375 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7376 (ANTIC_SAFE_LOADS): New macro.
7377 (find_or_generate_expression): Add prototype.
7378 (set_contains_value): Allow null set for sake of not always having
7379 to allocate ANTIC_SAFE_LOADS.
7380 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7381 Allow COMPONENT_REF too.
7382 (valid_in_set): Allow COMPONENT_REF.
7383 Check ANTIC_SAFE_LOADS too.
7384 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7385 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7387 (can_PRE_operation): Add COMPONENT_REF.
7388 (create_component_ref_by_pieces): New function.
7389 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7390 (insert_aux): Move AGGREGATE_TYPE_P check here.
7391 (compute_avail): Set bb local stmt uids.
7392 (pass_pre): Use TODO_update_ssa_only_virtuals.
7394 2006-02-06 Ben Elliston <bje@au.ibm.com>
7396 * configure.ac: Unconditionally disable decimal float by default.
7397 * configure: Regenerate.
7399 2006-02-06 Ben Elliston <bje@au.ibm.com>
7401 * read-rtl.c (read_name): Terminate reading on EOF.
7403 2006-02-06 Ben Elliston <bje@au.ibm.com>
7405 * dfp.c (decimal_real_arithmetic): Change second argument type
7406 from int to enum tree_code. Do not always return true, but now
7407 return result of any call to decimal_do helper functions.
7408 * dfp.h (decimal_real_arithmetic): Update prototype.
7410 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7412 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7414 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7417 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7420 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7422 * tree-vrp.c (cfg_loops): Removed.
7423 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7424 Use current_loops instead of cfg_loops. Pass flags to
7425 loop_optimizer_init.
7426 * cfgloopmanip.c (fix_loop_structure): Update only available
7428 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7429 loop_optimizer_init.
7430 * modulo-sched.c (build_loops_structure): Removed.
7431 (sms_schedule): Use loop_optimizer_init.
7432 * loop-init.c (loop_optimizer_init): Use flags to determine
7433 which properties of loops to prepare.
7434 (rtl_loop_init): Pass flags to loop_optimizer_init.
7435 * tree-ssa-sink.c (execute_sink_code): Ditto.
7436 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7437 * tree-ssa-pre.c (init_pre): Ditto.
7438 * cfgloop.h (LOOPS_NORMAL): New.
7439 (loop_optimizer_init): Declaration changed.
7441 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7443 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7444 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7446 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7448 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7450 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7451 * pa/t-pa64: Delete quadlib.c rule.
7452 * pa/x-ada: Revert last change.
7453 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7455 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7457 PR rtl-optimization/26087
7458 * rtlanal.c (canonicalize_condition): Do not cross basic block
7461 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7464 * config/ia64/ia64.c: Include debug.h.
7465 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7466 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7467 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7468 (process_epilogue, process_set, process_for_unwind_directive):
7469 Output unwind info only if requested. Add CFA info if requested.
7470 Add new arguments as needed. Adjust callers.
7471 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7473 (DWARF2_FRAME_INFO): Define to zero.
7474 * config/ia64/unwind-ia64.c: Remove code that compensated for
7475 the CFA offset error fixed above.
7476 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7477 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7478 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7479 -funwind-tables and -fexceptions to enable frame info.
7480 (dwarf2out_frame_init): Define initial CFA even if
7481 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7482 DWARF2_UNWIND_INFO is nonzero, not just defined.
7483 (dwarf2out_frame_finish): Output non-EH call frame info only
7484 if DWARF2_FRAME_INFO is nonzero.
7485 (convert_cfa_to_loc_list,
7486 compute_frame_pointer_to_cfa_displacement): Define even if
7487 unwind info is not supported.
7488 (gen_subprogram_die): Use the above unconditionally. Remove
7489 legacy alternate code.
7490 * toplev.c (compile_file): Compile in call to
7491 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7492 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7494 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7495 Jakub Jelinek <jakub@redhat.com>
7497 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7498 IBM extended float format long double as "g" on powerpc*-linux.
7500 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7503 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7504 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7506 2006-02-03 Jason Merrill <jason@redhat.com>
7509 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7512 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7513 on the return slot if it's an NRV.
7515 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7517 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7518 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7519 rewrite_use): Do not handle USE_OUTER.
7520 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7521 add_iv_outer_candidates, may_replace_final_value,
7522 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7523 (find_interesting_uses_op): Functionality of
7524 find_interesting_uses_outer_or_nonlin moved here.
7525 (find_interesting_uses_outside): Use find_interesting_uses_op.
7527 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7530 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7532 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7533 Ulrich Weigand <uweigand@de.ibm.com>
7536 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7537 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7538 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7539 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7541 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7542 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7543 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7544 Define secondary reloads for TFmode moves.
7545 (constant_modes): Add TFmode.
7546 (NR_C_MODES): Set to 8.
7547 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7549 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7550 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7551 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7552 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7553 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7554 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7555 (FPR mode macro): Add TFmode.
7556 (DSF mode macro): New.
7557 (<de>, <dee> mode attributes): Removed.
7558 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7559 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7560 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7561 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7562 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7563 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7564 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7565 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7566 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7567 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7568 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7569 "*negabs<mode>2", "sqrt<mode>2"):
7570 Changed <de> to <xde>. R constraint replaced by <Rf>.
7571 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7573 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7574 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7575 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7577 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7578 "extenddftf2", "extendsftf2"): New expanders.
7579 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7580 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7581 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7582 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7584 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7585 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7586 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7587 __floatditf): Add a GCC_4.1.0 symbol version tag.
7588 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7591 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7594 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7595 Use targetm.binds_local_p instead of TREE_PUBLIC.
7597 2006-02-02 Roger Sayle <roger@eyesopen.com>
7599 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7600 on INTEGER_TYPEs to indicate that it denotes a character type.
7601 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7602 signed_char_type_node, unsigned_char_type_node and char_type_node.
7603 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7604 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7605 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7607 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7608 Daniel Berlin <dberlin@dberlin.org>
7610 * tree-tailcall.c (arg_needs_copy_p): New function.
7611 (eliminate_tail_call): Use arg_needs_copy_p.
7612 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7613 (add_virtual_phis): New function.
7615 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7617 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7618 #ignore instead of #scratch for %g7 .register directive.
7620 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7622 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7625 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7627 * flow.c (calculate_global_regs_live): Assert that there aren't any
7630 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7632 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7634 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7635 bsi_after_labels iterator.
7636 * tree-if-conv.c (find_phi_replacement_condition,
7637 replace_phi_with_cond_modify_expr): Likewise.
7638 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7639 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7641 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7643 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7645 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7648 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7649 array after growing it.
7651 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7654 * fold-const.c (fold_checksum_tree): Change type of buf.
7656 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7658 * reload.c (push_secondary_reload): Initialize t_icode.
7660 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7662 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7663 -msoft-float -mlong-double-128 only issue a warning, but don't
7664 swich to DFmode long double.
7666 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7668 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7669 has a constant equivalent, iterate over equivalents for arg0,
7670 calling simplify_relational_operation and if there's a result
7671 cheaper than X, apply fold_rtx and return the result.
7673 2006-02-01 Jan Hubicka <jh@suse.cz>
7675 * opts.c (no_unit_at_a_time_default): New global variable.
7676 (decode_options): Use it.
7677 * opts.h (no_unit_at_a_time_default): Declare.
7679 2006-02-01 Paul Brook <paul@codesourcery.com>
7681 * function.c (assign_parm_setup_reg): Use function argument promotion
7683 * expr.c (expand_expr_real_1): Use function argument promotion rules
7686 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7688 * gcc.c (process_command): Change j to 'unsigned int'.
7690 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7693 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7694 Use the corrected index for the character
7695 out of the string constant.
7697 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7699 * mode-switching.c (optimize_mode_switching): Fix size
7700 allocated for bb_info[n_entities].
7702 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7704 * gcc.c (main): Correct type that is allocated for
7705 explicit_link_files.
7707 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7709 * config/s390/s390.c (init_alignment_context): Set
7710 ALIAS_SET_MEMORY_BARRIER on the MEM.
7711 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7713 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7716 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7718 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7721 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7723 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7724 * regrename.c: Ditto.
7725 * tree-ssa-loop-im.c: Ditto.
7726 * tree-dump.c: Ditto.
7727 * tree-complex.c: Ditto.
7728 * genrecog.c: Ditto.
7729 * tree-ssa-threadupdate.c: Ditto.
7731 * java/class.c: Ditto.
7732 * java/jcf-parse.c: Ditto.
7733 * java/resource.c: Ditto.
7734 * java/except.c: Ditto.
7735 * java/jvspec.c: Ditto.
7736 * java/jcf-write.c: Ditto.
7737 * java/jcf-path.c: Ditto.
7738 * java/gjavah.c: Ditto.
7739 * java/zextract.c: Ditto.
7740 * java/jcf-io.c: Ditto.
7741 * java/jcf.h: Ditto.
7742 * java/buffer.c: Ditto.
7743 * java/lang.c: Ditto.
7744 * java/parse-scan.y: Ditto.
7745 * java/lex.c: Ditto.
7746 * java/lex.h: Ditto.
7747 * cfgloopmanip.c: Ditto.
7748 * postreload-gcse.c: Ditto.
7749 * tree-ssa-loop-manip.c: Ditto.
7750 * postreload.c: Ditto.
7751 * tree-ssa-loop-ch.c: Ditto.
7755 * diagnostic.c: Ditto.
7757 * genoutput.c: Ditto.
7759 * cfghooks.c: Ditto.
7760 * cfgloopanal.c: Ditto.
7761 * objc/objc-act.c: Ditto.
7763 * genextract.c: Ditto.
7764 * genautomata.c: Ditto.
7765 * pretty-print.c: Ditto.
7767 * cgraphunit.c: Ditto.
7770 * haifa-sched.c: Ditto.
7771 * dominance.c: Ditto.
7773 * tree-ssa-loop-ivopts.c: Ditto.
7775 * mode-switching.c: Ditto.
7776 * modulo-sched.c: Ditto.
7778 * ipa-pure-const.c: Ditto.
7780 * fix-header.c: Ditto.
7782 * tree-stdarg.c: Ditto.
7783 * ipa-utils.c: Ditto.
7784 * loop-init.c: Ditto.
7785 * ipa-inline.c: Ditto.
7788 * alloc-pool.c: Ditto.
7789 * dwarf2out.c: Ditto.
7791 * genattrtab.c: Ditto.
7792 * tree-ssa-loop-ivcanon.c: Ditto.
7796 * fortran/gfortranspec.c: Ditto.
7798 * local-alloc.c: Ditto.
7799 * langhooks.c: Ditto.
7800 * function.c: Ditto.
7801 * tree-vectorizer.c: Ditto.
7803 * ipa-type-escape.c: Ditto.
7805 * tree-if-conv.c: Ditto.
7808 * tree-data-ref.c: Ditto.
7809 * loop-unroll.c: Ditto.
7810 * treelang/treetree.c: Ditto.
7813 * ggc-common.c: Ditto.
7815 * coverage.c: Ditto.
7817 * tree-cfgcleanup.c: Ditto.
7818 * tree-ssa-pre.c: Ditto.
7819 * cfgcleanup.c: Ditto.
7820 * loop-invariant.c: Ditto.
7822 * ipa-prop.c: Ditto.
7823 * print-tree.c: Ditto.
7824 * conflict.c: Ditto.
7825 * ggc-page.c: Ditto.
7826 * sched-deps.c: Ditto.
7827 * regclass.c: Ditto.
7828 * tree-object-size.c: Ditto.
7830 * bb-reorder.c: Ditto.
7831 * resource.c: Ditto.
7832 * var-tracking.c: Ditto.
7834 * df-problems.c: Ditto.
7835 * reg-stack.c: Ditto.
7838 * sched-rgn.c: Ditto.
7839 * tree-ssa-structalias.c: Ditto.
7840 * tree-ssa-reassoc.c: Ditto.
7841 * config/darwin-c.c: Ditto.
7842 * config/darwin.c: Ditto.
7843 * config/arm/arm.c: Ditto.
7845 * collect2.c: Ditto.
7848 2006-01-31 Nicolas Pitre <nico@cam.org>
7850 * arm.md (smaxsi3): Make aware of smax_m1.
7853 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7855 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7857 2006-01-31 Richard Guenther <rguenther@suse.de>
7859 * doc/invoke.texi (-msselibm): Document.
7860 * target.h (expand_library_builtin): New target hook.
7861 * builtins.c (expand_builtin): Use expand_library_builtin.
7862 (default_expand_library_builtin): New function.
7863 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7864 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7865 (link_gcc_math_spec): Declare.
7866 (static_specs): Add link_gcc_math_spec.
7867 * expr.h (default_expand_library_builtin): Declare.
7868 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7869 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7870 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7871 * config/i386/i386.opt (msselibm): New target option.
7872 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7873 (ix86_init_sse_abi_builtins): New function.
7874 (ix86_expand_library_builtin): Likewise.
7875 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7876 (override_options): Handle error conditions wrt -msselibm.
7877 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7878 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7879 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7882 2006-01-31 Richard Guenther <rguenther@suse.de>
7883 Paolo Bonzini <bonzini@gnu.org>
7885 * doc/install.texi (--disable-libgcc-math): Document.
7887 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7889 * expr.h (expand_normal): new inline function.
7890 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7892 * dwarf2out.c: use it.
7897 * config/sparc/sparc.c: use it.
7898 * config/i386/i386.c: use it.
7899 * config/rs6000/rs6000.c: use it.
7900 * config/arm/arm.c: use it.
7901 * config/mips/mips.c: use it.
7902 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7904 2006-01-30 Roger Sayle <roger@eyesopen.com>
7906 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7907 argv to the appropriate type.
7909 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7911 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7914 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7917 * config/s390/s390.c (struct machine_function): New flag
7918 decomposed_literal_pool_addresses_ok_p.
7919 (s390_reorg): Set it before final stage of literal pool transforms.
7920 (s390_decompose_address): Only accept displacements of the form
7921 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7923 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7925 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7926 the comparison routine return.
7928 2006-01-30 Michael Matz <matz@suse.de>
7930 * global.c (find_reg): Only evict for global regs.
7931 Take n_refs into account and dump more info.
7933 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7936 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7937 (pragma_trap, pragma_nosave_low_regs): Likewise.
7938 (current_function_anonymous_args): Likewise.
7939 (sh_deferred_function_attributes): New variable.
7940 (sh_deferred_function_attributes_tail): Likewise.
7941 (print_operand): For '@', look up trap_exit attribute.
7942 (calc_live_regs): Look up trapa_handler attribute. For trapa
7943 handlers, save/restore fpscr, but don't do any other
7944 interrupt-specific saves.
7945 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7946 Fix check for partially saved registers to check for SHmedia.
7947 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7948 (sh_output_function_epilogue): Don't clear any of the removed
7950 (sh_insert_attributes): Don't check pragma_interrupt.
7951 Insert deferred attributes. Check that interrupt attribute is
7952 present for other attributes that require its presence.
7953 (sh_attribute_table): Add new attributes trapa_handler and
7955 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7956 Don't check for pragma_interrupt. Don't store argument.
7957 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7958 (sh_deferred_function_attributes): Declare.
7959 (sh_deferred_function_attributes_tail): Likewise.
7960 * sh.md (sp_switch_1): Add operand. Change generator caller.
7961 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7962 (*return_i): Don't use when trap_exit attribute is in effect.
7963 (*return_trapa): New insn pattern.
7965 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7966 setting c_target_objs and cxx_target_objs.
7967 * t-sh: Add rule for sh-c.o.
7969 2006-01-30 Richard Guenther <rguenther@suse.de>
7972 * gimplify.c (gimplify_target_expr): Handle easy cases
7973 without creating a temporary.
7975 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7977 * vec.h (safe_grow): Remove duplicated line.
7979 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7982 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7983 (expand_omp): ... here.
7984 (expand_omp_parallel): Only remove barriers for combined
7985 parallel+workshare constructs.
7987 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7991 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7992 * tree.c (build_qualified_type): Chain the new type to the original
7993 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7994 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7995 (build_pointer_type_for_mode): Only return unqualified types.
7996 (build_reference_type_for_mode): Likewise.
7998 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8000 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8001 * Makefile.in (CXX_COMPAT_WARN): Define.
8002 * configure: Regenerate.
8004 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8007 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8010 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8012 * toplev.c: Fix thinko.
8014 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8015 Marcin Dalecki <martin@dalecki.de>
8017 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8018 (push_srcloc): Use XNEW.
8019 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8021 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8023 * df-core.c (df_set_blocks): Deleted all variable.
8025 2006-01-28 Ian Lance Taylor <ian@airs.com>
8027 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8028 cgraph_output_pending_asms.
8030 2006-01-28 Zack Weinberg <zackw@panix.com>
8032 * c.opt: Add -W(no-)overlength-strings.
8033 * doc/invoke.texi: Document it.
8034 * c-opts.c (c_common_handle_option): -pedantic implies
8035 -Woverlength-strings, if not explicitly disabled already.
8036 (c_common_post_options): -Woverlength-strings defaults to off, and
8037 is always off for C++.
8038 * c-common.c (fix_string_type): Issue warning about strings longer
8039 than is portable only if warn_overlength_strings. Rearrange code
8040 a little for clarity.
8041 * configure.in: Check for -Wno-overlength-strings as well before
8042 enabling -pedantic in stage 1.
8043 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8044 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8046 * genconditions.c (write_header, write_one_condition)
8047 (write_conditions, write_writer): Consolidate very long strings
8048 that were broken up to fit in C89 portable limit. Don't use
8049 printf when fputs will do.
8051 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8053 * combine.c (simplify_comparison <AND>): Check
8054 TRULY_NOOP_TRUNCATION before start using a subreg.
8056 * config/mips/mips.md (*branch_zero<mode>,
8057 *branch_zero<mode>_inverted, *branch_equality<mode>,
8058 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8059 Remove mode check from comparisons.
8061 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8063 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8065 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8067 * expmed.c (const_mult_add_overflow_p): Remove.
8068 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8070 * recog.c (validate_replace_rtx_subexp): Remove.
8071 * recog.h: Remove the prototype for
8072 validate_replace_rtx_subexp.
8074 * integrate.h: Remove the prototype for
8075 copy_decl_for_inlining.
8076 * rtl.h: Remove the prototype for mark_constant_function.
8077 * tree-vectorizer.h: Remove the prototype for
8078 vect_strip_conversion.
8080 * modulo-sched.c (create_partial_schedule,
8081 free_partial_schedule, reset_partial_schedule): Make them
8084 * hooks.c (hook_bool_rtx_int_false): Remove.
8085 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8087 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8089 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8090 and -mlong-double-128 are incompatible.
8091 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8092 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8093 (TARGET_LIBGCC2_CFLAGS): Define.
8094 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8095 (TARGET_LIBGCC2_CFLAGS): Same.
8096 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8098 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8101 * c-typeck.c (build_binary_op): Perform implicit casts of
8102 operands before shortening them.
8104 * cfgloopmanip.c (split_loop_bb): Remove.
8105 * cfgloop.h: Remove the prototype for split_loop_bb.
8107 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8108 * cfgloop.h: Remove the prototype for
8109 flow_loop_outside_edge_p.
8111 * emit-rtl.c (init_virtual_regs): Make it static.
8112 * function.h: Remove the prototype for init_virtual_regs.
8114 * recog.c (peephole2_optimize): Make it static.
8115 * recog.h: Remove the prototype for peephole2_optimize.
8117 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8119 * df-scan.c (df_record_entry_block_defs): Check if
8120 INCOMING_RETURN_ADDR_RTX is defined.
8122 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8123 Kenneth Zadeck <zadeck@naturalbridge.com>
8125 PR rtl-optimization/24762
8126 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8127 * targhooks.c (hook_void_bitmap): New hook prototype.
8128 * targhoohs.h (hook_void_bitmap): Ditto.
8129 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8130 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8131 * target.h (live_on_entry): New function pointer.
8132 * df-scan.c (df_all_hard_regs): Removed.
8133 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8134 (df_scan_free_internal): Added df->entry_block_defs.
8135 (df_scan_alloc): Ditto.
8136 (df_scan_dump): Ditto.
8137 (df_uses_record): Plumbed flag field properly thru calls.
8138 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8139 This part fixes PR24762.
8140 (df_bb_refs_record): Added code to make the frame and arg
8141 pointers live in EH blocks.
8142 (df_refs_record): Added call to df_record_entry_block_defs.
8143 (df_record_entry_block_defs): New function.
8144 * df-core.c: Added comments to describe new artifical defs.
8145 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8146 (entry_block_defs): New field in struct df.
8147 (df_all_hard_regs): Deleted.
8148 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8149 * df-problems.c (df_ru_bb_local_compute_process_def):
8150 Added code to handle artifical defs in the entry to a function.
8151 (df_ru_bb_local_compute): Ditto.
8152 (df_rd_bb_local_compute_process_def): Ditto.
8153 (df_rd_bb_local_compute): Ditto.
8154 (df_lr_bb_local_compute): Ditto.
8155 (df_ur_bb_local_compute): Ditto.
8156 (df_urec_bb_local_compute): Ditto.
8157 (df_chain_create_bb): Ditto.
8158 (df_ur_local_finalize): Removed entry.
8159 (df_urec_init): Ditto.
8160 (df_urec_local_finalize): Ditto.
8161 (df_ri_bb_compute): Added detection of last use of pseudos.
8162 * Makefile.in (df-scan.o): Updated dependencies.
8163 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8164 * config/mips/mips.c (mips_set_live_on_entry): Added.
8165 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8167 * dce.c (marked_insn_p): Added code to handle artifical defs.
8169 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8171 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8173 (_mm_cvtsi128_si64): Likewise.
8174 (_mm_cvtsd_si64): Likewise.
8175 (_mm_cvttsd_si64): Likewise.
8176 (_mm_cvtsi64_sd): Likewise.
8177 (_mm_cvtsi64_si128): Likewise.
8178 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8179 (_mm_cvtsi64_m64): Likewise.
8180 (_m_to_int64): Likewise.
8181 (_mm_cvtm64_si64): Likewise.
8182 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8183 (_mm_cvttss_si64): Likewise.
8184 (_mm_cvtsi64_ss): Likewise.
8185 (_mm_cvtss_f32): Likewise.
8187 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8189 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8190 for pragma redefine_extname.
8192 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8195 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8196 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8197 -mno-minimal-toc to previous content.
8198 (bispecs): Remove goal.
8199 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8200 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8201 compatibility aliases on powerpc-*-*gnu*.
8202 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8203 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8204 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8205 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8206 (ldblspecs): New goal.
8207 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8208 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8210 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8211 L_sf_to_tf or L_df_to_tf is defined.
8213 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8214 Alan Modra <amodra@bigpond.net.au>
8217 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8218 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8219 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8220 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8221 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8222 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8223 (rs6000_override_options): Initialize rs6000_ieeequad.
8224 Initialize TFmode format to ibm_extended_format if not
8226 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8228 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8229 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8230 (function_arg_advance): IBM long double passed in two FPRs, not
8232 (function_arg): IBM long double passed in FPRs.
8233 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8234 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8235 Only multireg GPR aligned.
8236 (rs6000_init_libfuncs): Enable IBM long double functions if not
8238 (rs6000_generate_compare): Use IBM long double compare if not
8240 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8241 (TARGET_IEEEQUAD): Define.
8242 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8243 not TARGET_IEEEQUAD.
8244 * config/rs6000/rs6000.md: Enable TFmode patterns if
8246 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8247 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8248 and -mlong-double-128 are incompatible.
8249 * doc/invoke.texi (-mabi): Collect options together. Add
8250 ibmlongdouble and ieeelongdouble.
8252 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8254 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8256 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8257 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8258 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8259 * rtl.h (rtunion_def): Remove rt_ptr.
8261 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8262 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8263 * config/i386/winnt.c (i386_pe_mark_dllexport)
8264 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8266 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8268 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8270 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8274 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8275 pthread_key_delete. From John David Anglin. gthrw-ify
8276 pthread_getunique_np only if it it's not a macro. Delete
8278 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8279 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8280 __gthread_objc_condition_signal, __gthread_key_delete): Add
8281 "__attribute__ ((__unused__))" to unused arguments.
8282 (__gthread_recursive_mutex_init_function): Add missing return.
8283 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8284 gthr-posix95.h: Use macro-based approach for name redirection
8285 on targets missing weakref.
8287 2006-01-26 Zack Weinberg <zackw@panix.com>
8289 * genconditions.c (write_header): In generated code, #ifdef out
8290 all includes and fake declarations, except includes of bconfig.h
8291 and system.h, unless GCC_VERSION >= 3001. Do not include
8292 gensupport.h in any case.
8293 (write_conditions): Generate a definition of struct c_test. Add
8294 a comment to the generated #endif.
8295 (write_one_condition): Escape backslashes in string too.
8296 (write_writer): Generated code must escape backslashes and quote
8297 marks (but not newlines) in the strings it writes.
8298 * Makefile.in (build/gencondmd.o): Update dependencies.
8300 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8303 * Makefile.in (insn-automata.o): Add header file dependencies.
8304 * genautomata.c: Add includes.
8306 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8309 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8311 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8313 * configure.ac: Expect target tools paths to be passed from the toplevel
8314 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8316 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8318 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8321 * c.opt (Wpointer-sign): Init to -1.
8322 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8323 OPT_pedantic, to 0 otherwise.
8324 * doc/invoke.texi: Update.
8326 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8328 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8329 constants provided by 80387 instructions in the destination mode.
8331 2006-01-26 Richard Guenther <rguenther@suse.de>
8332 Andrew Pinski <pinskia@physics.uc.edu>
8335 partial PR tree-opt/17064
8336 * tree-ssa-structalias.c (intra_create_variable_infos):
8337 Create heap variables for incoming parameters if
8338 flag_argument_noalias > 1.
8339 (find_what_p_points_to): Look through default defs of
8342 2006-01-26 Jeff Law <law@redhat.com>
8345 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8346 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8347 within the VR_RANGE, use the VR_RANGE as the result, not the
8349 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8350 bounds for the type.
8352 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8354 * tree-ssa-alias.c (maybe_create_global_var): Change
8355 subvar walking to an assertion that we don't have subvar'd variables.
8357 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8360 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8361 Use a new variable, inner. PARM_DECLs are always non-weak.
8363 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8365 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8368 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8370 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8372 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8374 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8375 (smax_insn, smin_insn, smax_0, smin_0): New.
8377 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8380 * config/cris/cris.c (cris_order_for_addsi3): New function.
8381 * config/cris/cris-protos.h: Prototype it.
8382 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8383 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8384 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8385 (split for "op.S1 [rx=rx+i],ry (swapped)")
8386 (split for "op(s|u).S1 [rx=rx+i],ry")
8387 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8388 Apply cris_order_for_addsi3 when generating addsi3 insns.
8390 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8392 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8393 (TREE_BLOCK): Add call to EXPR_CHECK.
8395 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8398 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8399 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8400 (dump_omp_clauses): ... here.
8401 (dump_generic_node): Handle OMP_CLAUSE.
8402 * tree.c (omp_clause_num_ops): New.
8403 (omp_clause_code_name): New.
8404 (tree_code_size): Handle OMP_CLAUSE.
8405 (tree_size): Likewise.
8406 (make_node): Document handling of OMP_CLAUSE.
8407 (tree_node_structure): Handle OMP_CLAUSE.
8408 (omp_clause_check_failed): New.
8409 (omp_clause_range_check_failed): New.
8410 (omp_clause_operand_check_failed): New.
8411 (build_omp_clause): New.
8412 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8413 * tree.h (enum omp_clause_code): Declare.
8414 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8415 (OMP_CLAUSE_RANGE_CHECK): Define.
8416 (OMP_CLAUSE_ELT_CHECK): Define.
8417 (omp_clause_check_failed): Declare.
8418 (omp_clause_operand_check_failed): Declare.
8419 (omp_clause_range_check_failed): Declare.
8420 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8421 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8422 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8423 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8424 (OMP_CLAUSE_IF_EXPR): Likewise.
8425 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8426 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8427 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8428 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8429 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8430 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8431 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8432 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8433 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8434 (OMP_CLAUSE_CODE): Define.
8435 (OMP_CLAUSE_SET_CODE): Define.
8436 (OMP_CLAUSE_CODE): Define.
8437 (OMP_CLAUSE_OPERAND): Define.
8438 (struct tree_omp_clause): Declare.
8439 (union tree_node): Add field 'omp_clause'.
8440 * treestruct.def (TS_OMP_CLAUSE): Define.
8441 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8442 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8443 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8444 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8445 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8446 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8447 (OMP_CLAUSE): Define.
8448 * print-tree.c (print_node): Handle OMP_CLAUSE.
8449 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8450 * c-typeck.c: Likewise.
8451 * gimplify.c: Likewise.
8452 * c-omp.c: Likewise.
8453 * tree-nested.c: Likewise.
8454 * tree-inline.c: Likewise.
8455 * c-parser.c: Likewise.
8456 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8459 2006-01-25 Roger Sayle <roger@eyesopen.com>
8461 PR rtl-optimization/25703
8462 * combine.c (try_combine): Handle zero_extract and strict_low_part
8463 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8465 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8467 * global.c: Fix comment typos.
8469 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8472 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8473 Use output_addr_const instead of assemble_name.
8475 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8477 * Makefile.in (sched-vis.o): Update dependencies.
8478 * haifa-sched.c (sched_finish): Clear current_sched_info.
8479 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8480 (dump_flow_info): Call it.
8481 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8483 * basic-block.h (dump_bb_info): Declare.
8484 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8485 option, and apply options only for dump files whose TDF_RTL,
8486 TDF_TREE, or TDF_IPA bits match.
8487 * rtl.h: Declare new functions exported from sched-vis.c.
8488 * sched-vis.c: Enable also if scheduling is not used.
8489 (print_value): Print the mode of registers if not inside scheduling.
8490 (print_insn): Make it work outside the scheduler. Beautify the output
8492 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8494 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8496 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8497 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8498 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8499 depending on the value of CONSTANT_POOL_ADDRESS_P.
8500 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8502 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8503 rather than SYMBOL_REF_DECL.
8504 (rtx_constant_pool): Remove const_rtx_sym_htab.
8505 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8506 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8507 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8508 Remove handling of const_rtx_sym_htab.
8509 (find_pool_constant): Delete.
8510 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8511 rather than find_pool_constant.
8512 (get_pool_constant_for_function): Delete.
8513 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8515 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8516 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8517 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8518 (SYMBOL_REF_CONSTANT): New macro.
8519 (get_pool_constant_for_function): Delete.
8520 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8521 rather than SYMBOL_REF_DECL.
8522 (i386_pe_mark_dllimport): Likewise.
8523 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8524 rather than SYMBOL_REF_DECL.
8525 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8526 (machopic_indirect_call_target): Likewise.
8528 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8530 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8532 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8534 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8536 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8538 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8540 2006-01-24 David Daney <ddaney@avtrex.com>
8543 * configure.ac (enable_tls): New enable option.
8544 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8545 * configure: Regenerate.
8546 * doc/install.texi (--enable-tls): Document new option.
8547 (--disable-tls): Ditto.
8549 2006-01-24 Richard Henderson <rth@redehat.com>
8551 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8552 * alias.c (true_dependence): Respect it.
8553 (canon_true_dependence, write_dependence_p): Likewise.
8554 * builtins.c (get_builtin_sync_mem): Set it.
8556 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8558 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8561 2006-01-24 DJ Delorie <dj@redhat.com>
8563 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8564 for storing constants in single-bit bitfields.
8566 2006-01-25 Ben Elliston <bje@au.ibm.com>
8568 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8570 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8573 * tree-ssa-pre.c (phi_translate): Return NULL
8574 for AGGREGATE_TYPE's.
8576 2006-01-24 Zack Weinberg <zackw@panix.com>
8578 * genautomata.c (process_state_for_insn_equiv_partition):
8579 Use xcalloc for insn_arcs_array.
8580 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8581 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8583 2006-01-24 Richard Henderson <rth@redhat.com>
8585 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8588 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8590 PR rtl-optimization/25890
8591 PR rtl-optimization/25905
8592 * combine.c (expand_compound_operation, expand_field_assignment):
8593 Fail if the bitfield's final position is out of bounds.
8595 2006-01-24 Ian Lance Taylor <ian@airs.com>
8598 * cgraphunit.c (cgraph_output_in_order): Don't clear
8599 cgraph_asm_nodes until after asm strings have been output.
8601 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8603 * fix-header.c (read_scan_file): Add new parameter imultilib when
8604 calling register_include_chains.
8606 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8608 * omp-low.c: Update documentation.
8610 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8611 Daniel Berlin <dberlin@dberlin.org>
8615 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8616 return from the function.
8618 2006-01-22 Zack Weinberg <zackw@panix.com>
8620 * rtl.def (match_code): Add second argument.
8621 * genpreds.c (write_extract_subexp): New function.
8622 (write_match_code): Add path argument. Use write_extract_subexp.
8623 (write_predicate_expr): Pass path to write_match_code.
8624 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8625 not perform a mode test.
8626 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8627 a subexpression does not constrain the top-level code set.
8628 * read-rtl.c (read_rtx_variadic): New function.
8629 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8630 * doc/md.texi: Document new notation.
8631 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8632 (cmpsi_operand): ... here, using new notation.
8634 2006-01-22 Zack Weinberg <zackw@panix.com>
8636 * varray.c: Remove GENERATOR_FILE #ifdefs.
8638 2006-01-22 Zack Weinberg <zackw@panix.com>
8640 * genautomata.c (output_reserved_units_table): Emit nothing if
8641 description->query_units_num is zero. Remove extra blank line.
8642 (output_cpu_unit_reservation_p): Short circuit
8643 if description->query_units_num is zero.
8645 2006-01-22 Zack Weinberg <zackw@panix.com>
8647 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8648 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8649 nor any of the random handful of variables that used to be necessary
8650 when this program was linked with rtlanal.o. Prune set of forward
8651 function declarations.
8652 (struct attr_desc): Remove static_p field.
8653 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8654 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8655 (attr_string): Do not read the character one past the length of
8657 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8658 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8659 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8660 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8661 (make_automaton_attrs): New.
8662 (main): Do not call into genautomata. Call local gen_bypass
8663 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8664 Remove special case for insn_alts.
8665 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8666 varray.h (leftover from previous change). Prune set of forward
8667 function declarations. Remove state_alts fields from all
8668 structures. Remove state_alts_table from struct automaton.
8669 Make everything except main static. Do not maintain num_dfa_decls.
8670 Do not maintain state_alts fields of various structures.
8671 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8672 (add_arc): Remove state_alts argument. All callers updated.
8673 (output_reserved_units_table): Emit #ifdef here...
8674 (output_tables): ...not here. Don't generate state_alts tables.
8675 (expand_automata): Don't generate attributes.
8676 (write_automata): Don't generate state_alts functions.
8677 (main): New function.
8678 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8679 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8680 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8681 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8682 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8683 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8684 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8685 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8687 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8688 * genattrtab.h: Delete file.
8689 * Makefile.in (OBJS-common): Add insn-automata.o.
8690 (insn-automata.o): New rule.
8691 (simple_generated_c): Add insn-automata.c.
8692 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8693 (genprogmd): Add automata.
8694 (build/genattrtab): Needs no extra objects nor libraries.
8695 (build/genautomata): Needs build/vec.o and -lm.
8697 2006-01-22 Zack Weinberg <zackw@panix.com>
8699 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8700 (output_dfa_max_issue_rate, locked_states_num): Delete.
8701 (struct automaton): Add locked_states field.
8702 (output_dead_lock_vect): Save number of locked states in
8703 automaton->locked_states. If it is zero, don't print anything.
8704 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8705 (output_internal_dead_lock_func): Only test the dead_lock_vect
8706 for automata that have locked states.
8707 (output_statistics): Always print the number of locked states for
8708 each automaton. Calculate total number of locked states here.
8709 (write_automata): Don't call output_dfa_max_issue_rate.
8710 * genattrtab.c: Define length_unit_log as a const variable.
8711 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8712 max_insn_queue_index const.
8713 * final.c (length_unit_log): Declare const.
8714 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8716 2006-01-22 Zack Weinberg <zackw@panix.com>
8718 * genautomata.c: Include vec.h, not varray.h.
8719 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8720 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8721 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8722 VEC_* macros operating on appropriately typed vectors, or to
8723 malloced arrays when the size is known in advance. Const-ify
8724 many char* variables and function arguments. No functional changes.
8725 * Makefile.in (build/varray.o): Delete rule.
8726 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8727 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8729 2006-01-22 Zack Weinberg <zackw@panix.com>
8731 * gensupport.c: Define get_insn_name and record_insn_name here.
8732 (read_md_rtx): Call record_insn_name as appropriate.
8733 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8734 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8735 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8737 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8738 (BUILD_VARRAY): Delete.
8739 (genprognormal): Rename genprogmd. Fold in all programs from
8740 genprognoprint; also attrtab.
8741 (build/genattrtab): Just mention genautomata.o and varray.o.
8742 Reorganize a bit, add comments to make the categories clearer.
8744 2006-01-22 Zack Weinberg <zackw@panix.com>
8746 * genconditions.c (condition_table, add_condition): Delete.
8747 (write_conditions): Don't emit n_insn_conditions nor
8748 insn_elision_unavailable. Issue the gcc version #ifdef here,
8749 inside the table, with no #else clause ...
8750 (write_header): ...not here.
8751 (write_writer): New function.
8752 (main): Don't initialize condition_table. Use add_c_test.
8754 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8755 files on the command line.
8756 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8757 Return -1 if there is no entry in the table, don't abort.
8758 (add_c_test, traverse_c_tests): New functions.
8759 * gensupport.h (insn_elision_unavailable, insn_conditions)
8760 (n_insn_conditions): Delete declarations.
8761 (add_c_test, traverse_c_tests): Declare.
8762 * read-rtl.c: Include gensupport.h.
8763 (read_conditions): New function.
8764 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8765 (read_rtx_1): If we get EOF when we were looking for an initial
8766 open paren, return 0. Call read_conditions when appropriate.
8767 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8768 dummy-conditions.o. Eliminate references to insn-conditions.o,
8769 or change them to build/gencondmd.o, as appropriate. Remove
8770 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8771 from $(simple_generated_c). For all files remaining in those
8772 two lists, add insn-conditions.md to the generator command line.
8773 Give insn-constants.h/s-constants their own rules. Add rules
8774 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8775 (build/read-rtl.o): Depend on gensupport.h.
8776 (genprognormal): Include preds.
8777 (genprogearly): Rename genprognoprint; only difference is now that
8778 they don't link with $(BUILD_PRINT).
8779 * dummy-conditions.c: Delete.
8781 2006-01-22 Zack Weinberg <zackw@panix.com>
8783 * genextract.c: Don't include insn-config.h. Do include vec.h.
8784 Declare vectors of int, char, and locstr.
8785 (locstr): New typedef.
8786 (struct extraction): Make all array fields into bare pointers.
8787 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8788 (insn_code_number): Delete.
8789 (accum_extract): New struct.
8790 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8791 (gen_insn): Take insn_code_number as an argument. Use an
8792 accum_extract structure instead of loading data directly into
8793 a struct extraction, and having to know how big it might get.
8794 (walk_rtx): Operate entirely on an accum_extract structure.
8795 (print_path): Avoid unnecessary use of printf.
8796 (print_header): New function, split out of main. Distinguish
8797 more carefully between an unrecognizable insn and an insn that
8798 has the code number of a define_expand.
8799 (main): Pass insn_code_number to gen_insn. Call print_header
8800 only after parsing. Avoid unnecessary use of printf.
8801 * Makefile.in (build/vec.o): New rule.
8802 (build/genextract): Depend on build/vec.o.
8803 (build/genextract.o): Don't depend on insn-config.h.
8805 2006-01-22 Zack Weinberg <zackw@panix.com>
8807 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8808 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8809 practical. Eliminate per-generator-program link rules.
8811 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8814 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8815 with a call expr to ...
8816 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8818 2006-01-23 Richard Guenther <rguenther@suse.de>
8820 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8821 before make_edge with conditional EDGE_TRUE_VALUE.
8823 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8824 Jan Hubicka <jh@suse.cz>
8825 Richard Guenther <rguenther@suse.de>
8827 PR rtl-optimization/25654
8828 * cfgexpand.c (aggregate_contains_union_type): New function.
8829 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8830 for structure variables that contain a union type.
8832 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8834 * gengtype.c (new_structure): Return the structure.
8835 (create_option): Add an extra "next" argument.
8836 (create_field): New function.
8837 (adjust_field_rtx_def): Use create_option and create_field.
8838 Remove a now-unnecessary call to find_structure.
8839 (adjust_field_tree_def): Likewise.
8840 (note_yacc_type): Remove an unnecessary call to find_structure.
8841 * gengtype.h (new_structure): Return the structure.
8842 (create_option): Add an extra argument.
8843 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8844 (option): Adjust calls to create_option.
8846 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8848 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8850 2006-01-22 Paul Brook <paul@codesourcery.com>
8851 Peter Barada <peter@the-baradas.com>
8853 * config/m68k/m68k.md: Add Coldfire FPU support.
8854 Define FP mode macro and associated attributes.
8855 Use it for float mode patterns.
8856 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8857 (LIBCALL_VALUE): Use m68k_libcall_value.
8858 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8859 (m68k_function_value): Ditto.
8860 (emit_move_sequence): Ditto.
8861 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8862 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8863 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8864 (MULTILIB_EXCEPTIONS): Ditto.
8865 * config/m68k/m68k.opt: Add mcfv4e.
8866 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8867 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8868 (m68k_output_function_prologue): Save ColdFire FPU registers.
8869 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8870 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8871 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8872 ColdFire FPU registers.
8873 (m68k_libcall_value, m68k_function_value): New functions.
8874 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8875 (LIBCALL_VALUE): Use m68k_libcall_value.
8876 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8877 (MASK_COLDFIRE): Add MASK_CFV4E.
8878 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8879 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8880 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8881 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8882 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8883 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8884 * doc/invoke.tex: Document -mcfv4e on m68k.
8886 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8888 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8891 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8894 * c-opts.c (c_common_handle_option): Don't include
8895 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8896 * doc/invoke.texi (C++ Dialect Options): Document that
8897 -Wnon-virtual-dtor is no longer included in -Wall.
8899 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8901 * gcov.c (print_version), gcov-dump.c (print_version),
8902 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8905 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8907 * df-scan.c (problem_SCAN): Added NULL reset function.
8908 (df_scan_reset_blocks): Added code to call reset block function
8909 (df_bb_refs_delete) Fixed comment.
8910 (df_insn_refs_delete): Made tolerant of deleting non existent info
8911 for dataflow problems that need to be reset.
8912 * df-core.c (df_set_blocks): Ditto.
8913 * df.h (struct df_problem): Added reset_fun.
8914 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8915 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8916 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8917 functions to clear out all references to def-use or use-def chains.
8919 2006-01-21 Ben Elliston <bje@au.ibm.com>
8921 * varasm.c (assemble_real): Initialise data array.
8923 2006-01-20 Paul Brook <paul@codesourcery.com>
8925 Merge from csl-arm-branch.
8926 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8927 * config/arm/arm.md (movdi): Force operands[1] to a register
8928 if we have a non-register source.
8929 (*arm_movdi, *movdf_soft_insn): Require that one of the
8930 operands be a register.
8931 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8932 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8934 2006-01-20 DJ Delorie <dj@redhat.com>
8936 * varasm.c (initialize_constant_valid_p): Allow pointers
8937 initialized from integer constants of lesser precision.
8938 (output_constant): Allow non-int-sized pointer modes to be
8939 initialized from integer constants.
8941 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8944 * cppdefault.h (struct default_include): Add multilib flag.
8945 * cppdefault.c (cpp_include_defaults): Set it.
8946 * c.opt (-imultilib): New option.
8947 * c-opts.c (imultilib): New.
8948 (c_common_handle_option): Handle -imultilib.
8949 (c_common_post_options): Likewise.
8950 * c-incpath.c (add_standard_paths, register_include_chains):
8952 * c-incpath.h (register_include_chains): Add extra parameter.
8953 * gcc.c (do_spec_1): Generate -imultilib option.
8954 (The Specs Language): Update %I description.
8955 (process_command): Update copyright notice.
8956 * doc/cppopts.texi (-imultilib): Document.
8957 * doc/invoke.texi (-imultilib): Include in option summary.
8958 (%I): Update specs documentation.
8960 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8962 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8964 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8966 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8969 2006-01-20 Richard Guenther <rguenther@suse.de>
8970 Steven Bosscher <stevenb.gcc@gmail.com>
8972 PR rtl-optimization/24626
8973 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8974 EDGE_TRUE_VALUE if in RTL mode.
8977 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8978 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8980 2006-01-20 Dirk Mueller <dmueller@suse.com>
8983 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8984 instead of a special NOP marker.
8985 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8986 NOP marker handling.
8987 * c-common.h (empty_body_warning): Add forward declaration.
8988 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8989 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8991 2006-01-20 Paul Brook <paul@codesourcery.com>
8993 * Makefile.in (lang_checks): Keep going if mkdir fails.
8995 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8997 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8998 be able to clean out basic block when not necessary.
8999 (df_scan_free): Fixed to properly delete information if df is
9000 unused before calling df_finish.
9001 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9002 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9004 (df_bb_refs_delete): New function.
9005 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9006 * df-core.c (df_set_blocks): Added code to properly clean out
9007 unused blocks if they are not part of the blocks to consider.
9008 Added additional null check.
9009 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9010 be able to clean out basic block when not necessary
9011 * df.h (df_free_bb_function): Ditto.
9012 (df_bb_refs_delete): New function.
9013 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9014 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9015 basic block parameter to be able to clean out basic block when not
9017 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9018 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9019 Fixed to properly delete information if df is unused before
9022 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9024 PR rtl-optimization/25799
9025 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9026 Corrected confluence operator to remove bits from op2 before oring
9027 with op1 rather than removing bits from op1.
9028 (df_ru_transfer_function): Corrected test on wrong bitmap which
9029 caused infinite loop. Both of these problems were introduced in
9030 the dataflow rewrite.
9032 2006-01-19 DJ Delorie <dj@redhat.com>
9034 * reload1.c (find_reload_regs): Note the details of reload
9035 failures in the dump file.
9036 (spill_failure): Likewise.
9038 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9040 * loop-iv.c: Include df.h and hashtab.h.
9041 (enum iv_grd_result): New enum.
9042 (DF_REF_IV, DF_REF_IV_SET): New macros.
9043 (struct biv_entry): New.
9044 (df, bivs): New global variables.
9045 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9046 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9048 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9049 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9050 analyzed_for_bivness_p, record_biv): New functions.
9051 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9052 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9053 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9055 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9057 (iv_number_of_iterations): Use new interface to iv analysis.
9058 * loop-unroll.c: Do not include varray.h.
9059 (analyze_iv_to_split_insn): Use new interface to iv
9061 * loop-unswitch.c (may_unswitch_on): Ditto.
9062 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9064 (df_bb_modify): Realloc tables to the new index.
9065 (df_find_use): New function.
9066 * df.h (df_find_use): Declare.
9067 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9069 * cfgloop.h (struct rtx_iv): Remove analysed field.
9070 (iv_get_reaching_def): Removed.
9071 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9072 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9073 (loop-iv.o): Add df.h and hashtab.h dependency.
9074 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9076 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9079 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9081 (__floatundisf, __floatundidf): Likewise.
9082 * libgcc2.h (IS_IBM_EXTENDED): Define.
9084 2006-01-19 DJ Delorie <dj@redhat.com>
9086 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9088 2006-01-19 Paul Brook <paul@codesourcery.com>
9090 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9091 as nothrow when unwinding tables are disabled.
9093 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9096 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9097 of bit-field" when in system header.
9099 2006-01-19 DJ Delorie <dj@redhat.com>
9101 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9102 the 16 bit shift limit of the m16c.
9104 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9107 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9108 * config/i386/i386.c (output_set_got): Output the label if we have one
9109 for the TARGET_DEEP_BRANCH_PREDICTION case.
9111 2006-01-19 Jan Hubicka <jh@suse.cz>
9112 H.J. Lu <hongjiu.lu@intel.com>
9113 Evandro Menezes <evandro.menezes@amd.com>
9115 * invoke.texi (generic): Document
9117 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9118 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9119 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9120 (x86_use_incdec, x86_pad_returns): New variables
9121 (TARGET_CPU_DEFAULT_generic): New constant
9122 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9123 (enum processor_type): Add generic32 and generic64.
9124 * i386.md (cpu attribute): Add generic32/generic64
9125 (movhi splitter): Behave sanely when both partial_reg_dependency and
9126 partial_reg_stall are set.
9127 (K8 splitters): Enable for generic as well.
9128 * predicates.md (incdec_operand): Use TARGET_INCDEC
9129 (aligned_operand): Avoid memory mismatch stalls.
9130 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9131 * ppro.md: Enable for generic32
9132 * i386.c (generic64_cost, generic32_cost): New.
9133 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9134 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9135 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9136 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9137 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9138 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9139 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9140 x86_accumulate_outgoing_args, x86_prologue_using_move,
9141 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9142 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9144 (x86_use_incdec, x86_pad_returns): New.
9145 (override_options): Add generic32 and generic64, translate "generic"
9146 to generic32/generic64 and "i686" to "generic32", refuse
9147 "generic32"/"generic64" as arch target.
9148 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9149 (ix86_reorg): Honor PAD_RETURNS.
9151 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9153 * tree-pretty-print.c (dump_generic_node): Handle
9154 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9155 * cgraph.c (cgraph_expand_queue): Rename from
9156 cgraph_analyze_queue. Update all users.
9157 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9158 cgraph_expand_queue.
9159 (cgraph_expand_all_functions): Likewise.
9160 (cgraph_finalize_pending_functions): Remove. Update callers.
9162 * tree.h (OMP_DIRECTIVE_P): Define.
9163 (OMP_PARALLEL_FN): Define.
9164 (OMP_PARALLEL_DATA_ARG): Define.
9165 (OMP_SECTIONS_SECTIONS): Define.
9166 * tree-pass.h (pass_expand_omp): Declare.
9167 * omp-low.c (struct omp_region): Declare.
9168 (struct omp_context): Remove fields 'parallel_type',
9169 'parallel_start_ix' and 'parallel_start_additional_args'.
9171 (struct omp_for_data): Rename from struct expand_omp_for_data.
9172 (omp_regions): New static variable.
9173 (root_omp_region): New static variable.
9174 (find_omp_clause): Make static.
9175 (is_in_combined_parallel_ctx): Remove.
9176 (is_combined_parallel): New.
9177 (extract_omp_for_data): Move earlier in the file.
9178 (workshare_safe_to_combine_p): New.
9179 (get_ws_args_for): New.
9180 (determine_parallel_type): Move earlier in the file.
9181 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9183 (omp_copy_decl): Likewise.
9184 (create_omp_child_function): Likewise.
9185 (lookup_omp_region): New.
9186 (dump_omp_region): New.
9187 (debug_omp_region): New.
9188 (debug_all_omp_regions): New.
9189 (new_omp_region): New.
9190 (scan_omp_parallel): If parallel_nesting_level > 1, the
9191 directive is nested within another parallel directive.
9192 Set OMP_PARALLEL_FN.
9193 (scan_omp_for): Do not try to handle combined parallel+for
9195 Remove FIXME comment.
9196 (scan_omp_nested): Remove.
9197 (scan_omp_1): Do not call scan_omp_nested when
9198 parallel_nesting_level is > 1.
9199 Do not change the DECL_CONTEXT of local variables found.
9200 (lookup_decl_in_outer_ctx): New.
9201 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9202 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9203 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9204 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9205 If CTX is nested, lookup VAR in the outer context when
9206 building copy assignment.
9207 (lower_send_clauses): Rename from expand_send_clauses.
9208 If CTX is nested, lookup VAR in the outer context when
9209 building copy assignments.
9210 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9211 If CTX is nested, lookup VAR in the outer context when
9212 building copy assignments.
9213 (expand_parallel_call): Rename from build_parallel_call.
9214 Handle combined parallel+workshare cases.
9215 Re-implement to emit code into the CFG.
9217 (expand_omp_parallel): Re-implement to emit code into the CFG.
9218 Call move_sese_region_to_fn to outline the sub-graph
9219 containing the parallel region.
9220 (expand_omp_for_1): Remove.
9221 (expand_omp_for_generic): Re-implement to emit code into the
9223 (expand_omp_for_static_nochunk): Likewise.
9224 (expand_omp_for_static_chunk): Likewise.
9225 (expand_omp_for): Likewise.
9226 (expand_omp_sections): Likewise.
9227 (remove_exit_barriers): New.
9228 (expand_omp_synch): New.
9230 (build_omp_regions_1): New.
9231 (build_omp_regions): New.
9232 (execute_expand_omp): New.
9233 (gate_expand_omp): New.
9234 (pass_expand_omp): Define.
9235 (lower_omp_sections): Rename from expand_omp_sections.
9236 Set OMP_SECTIONS_SECTIONS.
9237 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9238 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9239 (lower_omp_single): Rename from expand_omp_simple.
9240 (lower_omp_master): Rename from expand_omp_master.
9241 (lower_omp_ordered): Rename from expand_omp_ordered.
9242 (lower_omp_critical): Rename from expand_omp_critical.
9243 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9244 (lower_omp_for): Re-implement.
9245 (lower_omp_parallel): Re-implement.
9246 (lower_regimplify): Rename from expand_regimplify.
9247 (lower_omp_1): Rename from expand_omp_1.
9248 If there are syntax errors in the program, replace every
9249 OpenMP directive with NOP.
9250 Call lower_omp_* instead of expand_omp_*.
9251 (lower_omp): Rename from expand_omp.
9253 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9254 * tree-gimple.h (enum omp_parallel_type): Remove.
9255 (gimple_boolify): Declare extern.
9256 (find_omp_clause, determine_parallel_type): Remove.
9258 * gimple-low.c (lower_omp_directive): New.
9259 (lower_stmt): Call it.
9260 (record_vars_into): Move from ...
9261 (record_vars): ... here.
9262 Call record_vars_into with current_function_decl.
9264 * gimplify.c (struct gimplify_ctx): Remove fields
9265 combined_pre_p and combined_ctxp. Update users.
9266 (get_formal_tmp_var): Add documentation.
9267 (gimple_boolify): Make extern.
9268 (gimplify_expr_in_ctx): Remove. Update callers.
9269 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9270 will always be a BIND_EXPR.
9271 (gimplify_expr): Handle OMP_RETURN_EXPR.
9272 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9273 (OMP_PARALLEL): Add 3 operands.
9274 (OMP_SECTIONS): Add 1 operand.
9275 (OMP_RETURN_EXPR): Define.
9277 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9278 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9279 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9280 creating a circular free list.
9281 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9283 * tree-flow.h (move_sese_region_to_fn): Declare.
9284 (record_vars_into): Declare.
9285 * tree-cfg.c (make_omp_sections_edges): New.
9286 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9287 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9288 OMP_SECTIONS and OMP_SECTION.
9289 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9290 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9291 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9292 (gather_blocks_in_sese_region): New.
9293 (struct move_stmt_d): Declare.
9295 (move_block_to_fn): New.
9296 (move_sese_region_to_fn): New.
9298 * passes.c (init_optimization_passes): Schedule
9299 pass_expand_omp after pass_init_datastructures.
9301 * tree-ssa-operands.c (get_expr_operands): Handle
9302 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9303 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9305 2006-01-19 Jeff Law <law@redhat.com>
9307 * tree-vrp.c (extract_range_from_assert): Refine the result range
9308 if the variable referenced by the ASSERT_EXPR has a range and
9309 either the tentative result range or the previous range is a
9312 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9314 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9316 2006-01-19 Jan Hubicka <jh@suse.cz>
9318 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9320 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9322 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9323 (expand_compound_operation, expand_field_assignment): Fail if the
9324 bit lengths of an extract operation are out of range.
9325 (make_extraction): Compute wanted_inner_mode based on the position
9326 and length of the extraction. Make it extraction_mode for non-constant
9327 positions, and do not modify offset in that case. When generating a
9328 new MEM, use a mode that can hold the extraction while keeping correct
9329 alignment. Remove code that supported MEMs wrapped by USEs.
9330 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9332 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9334 * config/s390/s390.md ("Y", "y"): New mode attribute.
9335 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9336 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9337 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9338 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9339 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9340 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9341 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9342 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9343 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9344 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9345 "addsi3", "subsi3"): Insn patterns removed.
9346 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9347 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9348 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9349 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9350 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9351 "*sub<mode>3_cconly2"): New insn patterns.
9352 ("addsi3", "subsi3"): New expanders.
9354 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9356 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9357 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9358 existing STMT_VINFO_VECTYPE if available.
9359 (vect_mark_relevant): Add special handling for stmts that are
9360 marked as STMT_VINFO_IN_PATTERN_P.
9361 (vect_analyze_loop): Call vect_pattern_recog.
9362 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9363 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9365 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9366 (vect_recog_func_ptr): New function-pointer type.
9367 * tree-vect-patterns.c: New file.
9368 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9369 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9370 (vect_pattern_recog_1): New functions.
9371 (vect_pattern_recog_funcs): New array of function pointers.
9373 * tree-vectorizer.h (ternary_op): New enum value.
9374 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9375 declaration. Revised documentation. Removed redundant dump prints.
9376 Removed redundant argument. Added support for reduction patterns.
9377 (vectorizable_reduction): Added support for reduction patterns.
9378 (vect_transform_stmt): Added support for patterns.
9380 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9381 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9382 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9383 (expand_widen_pattern_expr): New function.
9384 (init_optabs): Initialize new optabs udot_prod_optab,
9386 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9387 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9388 (expand_widen_pattern_expr): New function declaration.
9389 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9391 * tree-inline.c (estimate_num_insns_1): Added cases for new
9392 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9393 * tree-pretty-print.c (dump_generic_node): Likewise.
9394 (op_prio): Likewise.
9395 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9396 * tree-ssa-operands.c (get_expr_operands): Added case for
9398 * tree-vect-patterns.c (widened_name_p): New function.
9399 (vect_recog_dot_prod_pattern): Added function implementation.
9400 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9401 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9402 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9403 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9405 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9406 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9407 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9408 (init_optabs): Initialize new optabs widen_ssum_optab,
9410 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9411 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9412 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9413 use instead of type of def.
9414 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9415 function implementation.
9416 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9417 widen_ssumv8hi): New.
9419 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9422 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9425 * c-decl.c (add_flexible_array_elts_to_size): New function.
9426 (finish_decl): Use it.
9428 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9430 * diagnostic.h: Include options.h.
9431 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9432 dependancies for diagnostic.h.
9433 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9435 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9437 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9438 (ssa_ro_call_cache_valid): Ditto.
9439 * tree-ssa-alias.c (sort_tags_by_id): New function.
9440 (init_transitive_clobber_worklist): Ditto.
9441 (add_to_worklist): Ditto.
9442 (mark_aliases_call_clobbered): Ditto.
9443 (compute_tag_properties): Ditto.
9444 (set_initial_properties): Ditto.
9445 (compute_call_clobbered): Ditto.
9446 (compute_may_aliases): Call compute_call_clobbered and grouping.
9447 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9448 (compute_flow_insensitive_aliasing): Grouping now happens in our
9450 (setup_pointers_and_addressables): Remove clobbering related code.
9451 (add_may_alias): Ditto.
9452 (replace_may_alias): Ditto.
9453 (get_nmt_for): Ditto.
9454 (create_global_var):
9455 (is_escape_site): Return an escape_type enumeration.
9456 * tree-flow-inline.h (is_call_clobbered): Global var does not
9457 imply call clobbered.
9458 (mark_call_clobbered): Take a reason for marking this. Remove
9459 marking of globalness, and cache invalidation.
9460 (clear_call_clobbered): Remove cache invalidation code.
9461 * tree-dfa.c (dump_variable): If details is on, dump the reason
9463 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9465 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9466 (struct var_ann_d): Ditto.
9467 (enum escape_type): New.
9468 (mark_call_clobbered): Adjust prototype.
9469 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9470 are never call clobbered.
9471 Record reasons for escaping.
9472 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9473 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9474 (ssa_ro_call_cache_valid): Ditto.
9475 (clobbered_v_may_defs): Ditto.
9476 (clobbered_vuses): Ditto.
9477 (ro_call_vuses): Ditto.
9478 (clobber_stats): New.
9479 (init_ssa_operands): Zero out clobber stats.
9480 (fini_ssa_operands): Print out clobber stats.
9481 (get_call_expr_operands): Pass callee fndecl to
9483 (add_call_clobber_ops): Remove use of cache.
9484 Add use of PURE_CONST information.
9485 (add_call_read_ops): Remove use of cache.
9486 Add use of static not_read information.
9488 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9490 Introduce TLS descriptors for i386 and x86_64.
9491 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9492 (TARGET_ANY_GNU_TLS): New macro.
9493 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9494 (struct machine_function): Add tls_descriptor_call_expanded_p.
9495 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9496 (ix86_current_function_calls_tls_descriptor): Likewise.
9497 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9498 (override_options): Introduce gnu2 tls dialect.
9499 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9501 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9503 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9504 (ix86_init_machine_status): Initialize new field.
9505 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9506 (ix86_tls_module_base): New.
9507 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9508 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9509 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9510 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9511 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9512 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9513 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9514 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9515 * config/i386/predicates.md (tls_modbase_operand): New.
9516 (tp_or_register_operand): New.
9518 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9520 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9521 (look_for_address_of): Ditto.
9522 (ipa_init): Walk the function decls.
9523 (static_execute): Don't set readonly on FUNCTION_DECL's.
9525 2006-01-18 Roger Sayle <roger@eyesopen.com>
9527 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9528 for shifts where the source and destination registers are different.
9530 2006-01-18 Paul Brook <paul@codesourcery.com>
9532 Merge from csl-arm-branch.
9533 2005-03-14 Julian Brown <julian@codesourcery.com>
9534 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9535 (aeabi_llsl): Likewise.
9536 (ashrdi3): Likewise.
9537 (aeabi_lasr): Likewise.
9538 (lshrdi3): Likewise.
9539 (aeabi_llsr): Likewise.
9540 2005-03-10 Julian Brown <julian@codesourcery.com>
9541 * config.gcc: Disable shared libgcc for SymbianOS.
9542 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9544 2006-01-18 DJ Delorie <dj@redhat.com>
9546 * c-pragma.c (handle_pragma_diagnostic): New.
9547 (init_pragma): Register it.
9548 * doc/extend.texi: Document it.
9550 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9551 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9552 (diagnostic_context): Add classify_diagnostic[].
9553 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9554 as errors if they're overridden to DK_WARNING.
9555 (diagnostic_initialize): Initialize classify_diagnostic[].
9556 (diagnostic_set_kind_override): New.
9557 (diagnostic_report_diagnostic): Check for kind changes.
9558 * opts.c (common_handle_option): Take lang_mask. Update callers.
9560 * common.opt (Werror=): New.
9561 * doc/invoke.texi: Document -Werror=*
9563 2006-01-18 Jeff Law <law@redhat.com>
9565 * tree-vrp.c (test_for_singularity): Correct test for new
9566 min limit. Use operand_equal_p rather than pointer equality
9567 for testing if new min/max values are equal.
9569 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9570 using range information until after propagation and folding.
9572 2006-01-18 Richard Henderson <rth@redhat.com>
9573 Aldy Hernandez <aldyh@redhat.com>
9574 Jakub Jelinek <jakub@redhat.com>
9575 Diego Novillo <dnovillo@redhat.com>
9577 * omp-low.c: New file.
9578 * c-omp.c: New file.
9580 2006-01-18 Richard Henderson <rth@redhat.com>
9581 Jakub Jelinek <jakub@redhat.com>
9582 Diego Novillo <dnovillo@redhat.com>
9584 * doc/invoke.texi: Document -fopenmp.
9585 * tree-dump.h (debug_function): Declare.
9586 * hooks.c (hook_bool_tree_bool_false): New function.
9587 (hook_tree_tree_null): Remove.
9588 (hook_tree_tree_tree_null): New.
9589 * hooks.h: Update to match.
9590 * tree-pretty-print.c (debug_tree_chain): New.
9591 (print_generic_expr): Handle TDF_CHAIN.
9592 (dump_generic_node): Handle BLOCK.
9593 Do not abort with incomplete SWITCH_EXPRs.
9594 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9595 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9596 print space after directive name.
9597 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9598 Handle OMP_MASTER and OMP_ORDERED.
9599 Handle printing of OMP_BODY just in one place, goto
9600 dump_omp_body in the rest of OMP_* nodes that have
9602 Don't handle clause nodes here. Update omp statements to
9603 use dump_omp_clauses.
9604 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9605 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9606 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9607 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9608 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9609 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9610 Adjust output for GOMP_PARALLEL.
9611 (dump_omp_clauses): New.
9612 (print_declaration): Dump DECL_VALUE_EXPR.
9613 (op_symbol_1): Split out of op_symbol.
9614 (dumping_stmts): Remove. Update all users.
9615 * cgraph.c (cgraph_analyze_queue): New.
9616 (cgraph_add_new_function): New.
9617 * cgraph.h (cgraph_analyze_queue): Declare.
9618 (cgraph_add_new_function): Declare.
9619 (cgraph_lower_function): Remove.
9620 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9621 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9622 and TYPE_P nodes in its default clause.
9623 (empty_body_p): New.
9624 (tree_range_check_failed): New.
9626 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9627 OMP_CLAUSE_REDUCTION_MERGE,
9628 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9629 OMP_CLAUSE_PRIVATE_DEBUG,
9630 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9631 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9632 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9633 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9634 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9635 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9636 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9637 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9638 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9639 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9640 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9641 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9642 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9643 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9644 (TREE_RANGE_CHECK): New.
9645 (empty_body_p): Declare.
9646 (enum omp_clause_default_kind): New.
9647 (build_string_literal): Declare.
9648 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9649 (build5_stat, build5): Declare.
9650 * tree-pass.h (TDF_CHAIN): Define.
9651 * tree-pass.h (PROP_gimple_lomp): Define.
9652 (pass_lower_omp): Declare.
9653 * diagnostic.h (debug_tree_chain): Declare.
9654 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9656 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9657 * builtins.c (build_string_literal): Make extern.
9658 * gcc.c (include_spec_function): New.
9659 (static_spec_functions): Add it.
9660 (main): Move load of libgomp.spec ...
9661 (LINK_COMMAND_SPEC): ... here.
9662 (link_gomp_spec): New.
9663 (static_specs): Include it.
9664 (LINK_COMMAND_SPEC): Add link_gomp.
9665 (GOMP_SELF_SPECS): New.
9666 (driver_self_specs): Include it.
9667 (switch_matches): Don't mark inline.
9668 (main): Load libgomp.spec.
9669 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9670 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9671 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9672 * tree-gimple.h (enum omp_parallel): Declare.
9673 (determine_parallel_type): Declare.
9674 (omp_firstprivatize_variable): Declare.
9675 (omp_reduction_init): Declare.
9676 (diagnose_omp_structured_block_errors): Declare.
9677 (struct walk_stmt_info): Add want_return_expr.
9678 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9679 (find_omp_clause): Declare.
9680 (insert_field_into_struct): Declare.
9681 (struct walk_stmt_info): Move from tree-nested.c
9682 (walk_stmts): Declare.
9683 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9685 * cgraphunit.c (cgraph_lower_function): Make static.
9686 (cgraph_finalize_pending_functions): New.
9687 (cgraph_finalize_function): Call it.
9688 (cgraph_finalize_compilation_unit): Likewise.
9689 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9690 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9691 (BT_FN_UINT_UINT): New.
9692 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9693 DEF_FUNCTION_TYPE_VAR_4): Document.
9694 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9695 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9696 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9697 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9698 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9699 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9700 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9701 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9702 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9703 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9704 into separate files.
9705 (DEF_GOMP_BUILTIN): New.
9706 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9707 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9708 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9709 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9710 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9711 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9712 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9713 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9714 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9715 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9716 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9717 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9718 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9719 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9720 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9721 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9722 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9723 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9724 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9725 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9726 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9727 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9728 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9729 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9730 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9731 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9732 * sync-builtins.def: New file, moved from builtins.def.
9733 * omp-builtins.def: New file, moved from builtins.def.
9734 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9735 * gimple-low.c (lower_function_body): Clear data.
9736 (lower_stmt): Do not handle COMPOUND_EXPR.
9737 Remove call to print_node_brief.
9738 * c-tree.h (c_finish_omp_clauses): New prototype.
9739 (C_DECL_THREADPRIVATE_P): Define.
9740 (lookup_name_no_remap, c_omp_remap_private): Remove
9741 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9742 (check_for_loop_decls): Update decl.
9743 (lookup_name_no_remap, c_omp_remap_private): Declare.
9744 (build_indirect_ref, build_modify_expr, pushdecl,
9745 pushdecl_top_level): Move to c-common.h.
9746 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9747 before the switch, but just in the 2 places that need it.
9748 * c-decl.c (diagnose_mismatched_decls): Do not check for
9749 mismatched thread-local attributes when OLDDECL is marked
9750 threadprivate and NEWDECL has no thread-local attributes.
9751 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9752 (c_gimple_diagnostics_recursively): Rename from
9753 c_warn_unused_result_recursively. Invoke
9754 diagnose_omp_structured_block_errors.
9755 (check_for_loop_decls): Return a singular decl found.
9756 * langhooks.c (lhd_omp_predetermined_sharing): Return
9757 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9758 (lhd_omp_firstprivatize_type_sizes): New.
9759 (lhd_omp_assignment): New.
9760 (lhd_omp_predetermined_sharing): New.
9761 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9762 (struct lang_hooks_for_types): Add
9763 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9764 omp_predetermined_sharing, omp_disregard_value_expr,
9765 omp_private_debug_clause, omp_clause_default_ctor,
9766 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9767 (c_finish_omp_clauses): New.
9768 (c_finish_bc_stmt): Diagnose break within omp for.
9769 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9770 (build_unary_op): Return error_mark after reporting
9772 (build_modify_expr): Likewise.
9773 * gimplify.c: Include optabs.h and pointer-set.h.
9774 (enum gimplify_omp_var_data): Declare.
9775 (struct gimplify_omp_ctx): Declare.
9776 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9778 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9779 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9780 (splay_tree_compare_decl_uid): New.
9781 (new_omp_context): New.
9782 (delete_omp_context): New.
9783 (gimple_add_tmp_var): Call omp_add_variable.
9784 (gimplify_bind_expr): Likewise.
9785 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9786 true, disregard DECL_VALUE_EXPR on the decl if any.
9787 (gimplify_expr_in_ctx): New.
9788 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9789 omp_add_variable, omp_notice_variable, omp_is_private
9790 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9791 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9792 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9793 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9794 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9795 gimplify_omp_atomic): New.
9796 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9797 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9798 OMP_CRITICAL and OMP_ATOMIC.
9799 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9800 * c-pragma.h (enum pragma_kind): Add
9801 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9802 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9803 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9804 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9805 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9806 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9807 PRAGMA_OMP_THREADPRIVATE.
9808 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9809 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9810 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9811 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9812 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9813 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9814 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9815 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9816 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9817 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9818 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9819 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9820 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9822 (struct nesting_info): Add field_map,
9823 suppress_expansion, debug_var_chain.
9824 (create_nesting_tree): Initialize them.
9825 (lookup_field_for_decl): Use field_map.
9826 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9827 (convert_local_omp_clauses): New.
9828 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9829 (walk_body): Split out of walk_function.
9830 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9831 (convert_nonlocal_reference): Handle omp statements.
9832 (convert_local_reference): Likewise.
9833 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9834 (unnest_nesting_tree): New.
9835 (lower_nested_functions): Call it.
9836 (insert_field_into_struct): Make extern.
9837 (struct walk_stmt_info): Move to tree-gimple.h.
9838 (walk_stmts): Make extern.
9839 * omp-builtins.def: New file.
9840 * tree-iterator.c (expr_only): Clarify comment.
9841 * c-common.h (pushdecl_top_level, pushdecl,
9842 build_modify_expr, build_indirect_ref,
9843 c_finish_omp_master, c_finish_omp_critical,
9844 c_finish_omp_ordered, c_finish_omp_barrier,
9845 c_finish_omp_atomic, c_finish_omp_flush,
9846 c_finish_omp_for, c_split_parallel_clauses,
9847 omp_clause_default_kind, c_omp_sharing_predetermined,
9848 c_omp_remap_decl): Declare.
9849 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9850 (OBJS-common): Add omp-low.o.
9851 (c-omp.o, omp-low.o): Add.
9852 (gimplify.o): Add dependency on $(OPTABS_H).
9853 (GTFILES): Add omp-low.c.
9854 (gt-stringpool.h): Add.
9855 * tree-cfg.c (set_bb_for_stmt): Do not update the
9856 block-to-labels map if we are currently expanding to RTL.
9857 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9859 Handle IDENTIFIER_NODE.
9860 (tree_verify_flow_info): Do not ICE when emitting error
9861 messages about invalid labels.
9862 (dump_function_to_file): Reset CFUN before emitting the body
9864 (debug_function): New.
9865 * passes.c (init_optimization_passes): Schedule
9867 * langhooks-def.h (lhd_omp_predetermined_sharing,
9868 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9870 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9871 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9872 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9873 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9874 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9875 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9876 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9877 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9878 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9879 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9880 (LANG_HOOK_DECLS): Use them.
9882 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9883 Richard Henderson <rth@redhat.com>
9884 Jakub Jelinek <jakub@redhat.com>
9885 Diego Novillo <dnovillo@redhat.com>
9887 * c-parser.c (pragma_omp_clause): Define.
9888 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9889 (c_parser_compound_statement): Likewise.
9890 (c_parser_statement): Likewise.
9891 (c_parser_pragma): Handle omp pragmas.
9892 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9893 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9894 (c_parser_omp_clause_name, check_no_duplicate_clause,
9895 c_parser_omp_variable_list,
9896 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9897 c_parser_omp_clause_copyprivate,
9898 c_parser_omp_clause_default,
9899 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9900 c_parser_omp_clause_lastprivate,
9901 c_parser_omp_clause_nowait,
9902 c_parser_omp_clause_num_threads,
9903 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9904 c_parser_omp_clause_reduction,
9905 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9906 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9907 c_parser_omp_atomic, c_parser_omp_barrier,
9908 c_parser_omp_critical, c_parser_omp_flush,
9909 c_parser_omp_for_loop, c_parser_omp_for,
9910 c_parser_omp_master, c_parser_omp_ordered,
9911 c_parser_omp_sections_scope, c_parser_omp_sections,
9912 c_parser_omp_parallel, c_parser_omp_single,
9913 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9914 * c-pragma.c (init_pragma): Do omp pragma registration here.
9915 * c.opt (fopenmp): New flag.
9917 2006-01-18 Eric Christopher <echristo@apple.com>
9919 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9920 * config/darwin.h (GOMP_SELF_SPECS): Define.
9922 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9924 * rtl.h: Remove the prototype for reg_alloc.
9926 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9929 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9930 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9931 sjlj and dwarf2 exception handling.
9932 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9933 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9934 * pa/pa.c (function_value): Treat complex and vector types as
9936 (function_arg): Likewise. Only pass scalar floats in the floating
9937 point argument registers.
9938 * pa/t-slibgcc-dwarf-ver: New file.
9939 * pa/t-slibgcc-sjlj-ver: New file.
9940 * pa/t-slibgcc-elf-ver: Delete file.
9942 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9944 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9945 unlikely_test_section_p test.
9947 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9949 * mode-switching.c (optimize_mode_switching): Make it static.
9950 * basic-block.h: Remove the prototype for
9951 optimize_mode_switching.
9953 * modulo-sched.c (sms_schedule): Make it static.
9954 * rtl.h: Remove the prototype for sms_schedule.
9956 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9957 * rtl.h: Remove the prototype for gcse_after_reload_main.
9959 * reg-stack.c (reg_to_stack): Make it static.
9960 * rtl.h: Remove the prototype for reg_to_stack.
9962 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9964 * rtl.h: Remove the prototypes for regrename_optimize and
9965 copyprop_hardreg_forward.
9967 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9969 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9970 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9971 Test against the appropriate null constant for the mode.
9972 If 'fixup_overlap' is true, swap the operands if they overlap.
9973 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9974 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9975 alpha_split_tmode_pair and adjust for above change.
9976 * config/alpha/alpha.md (movtf_internal): Adjust call to
9977 alpha_split_tfmode_pair and rely on it to swap the operands.
9978 (movti_internal): New insn and post-reload splitter.
9979 (movti): New expander.
9981 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9983 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9986 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9988 * rtlanal.c (global_reg_mentioned_p_1,
9989 global_reg_mentioned_p): Remove.
9990 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9992 * flow.c (initialize_uninitialized_subregs): Make it static.
9993 * rtl.h: Remove the prototype for
9994 initialize_uninitialized_subregs.
9996 * function.c (instantiate_virtual_regs): Make it static.
9997 * function.h: Remove the prototype for
9998 instantiate_virtual_regs.
10000 * regmove.c (regmove_optimize, combine_stack_adjustments):
10002 * rtl.h: Remove the prototypes for regmove_optimize and
10003 combine_stack_adjustments.
10005 2006-01-17 Roger Sayle <roger@eyesopen.com>
10007 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10008 (size_cost): Encode costs in bytes so that a reg-reg addition is
10009 equivalent to COSTS_N_INSNS(1).
10010 (override_options): Use the size_cost.branch_cost as the default
10011 ix86_branch_cost when optimizing for size.
10013 2006-01-18 Ben Elliston <bje@au.ibm.com>
10015 * Makefile.in (D32PBIT_FUNCS): New.
10016 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10017 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10018 D64PBIT_FUNCS and D128PBIT_FUNCS.
10019 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10020 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10022 (decnumber_dep): Define.
10023 * doc/libgcc.texi (Decimal float library routines): New node.
10024 * config/dfp-bit.h, config/dfp-bit.c: New files.
10026 2006-01-18 Ben Elliston <bje@au.ibm.com>
10028 * expr.c (emit_move_change_mode): Always adjust addresses, not
10029 just during reload. Copy replacements only during reload.
10030 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10031 emit_move_via_integer.
10033 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10035 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10036 instead of $(srcdir) and ${srcdir}.
10038 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10041 PR middle-end/11135
10042 * arm.h (struct machine_function): Add pic_reg.
10043 * arm.c (arm_pic_register): Make unsigned.
10044 (arm_override_options): Only set arm_pic_register if
10045 TARGET_SINGLE_PIC_BASE.
10046 (use_return_insn): Only test for a pic register if it is fixed.
10047 (arm_compute_save_reg0_reg12_mask): Likewise.
10048 (thumb_compute_save_reg_mask): Likewise.
10049 (legitimate_pic_operand): Factor out some known invariants.
10050 (legitimize_pic_address): If we don't have a fixed pic register,
10051 then set up a pseudo in the function entry sequence. Handle the
10052 pic base being in a pseudo.
10053 (arm_load_pic_register): Handle the pic register being in a pseudo.
10054 (arm_expand_prologue): Only set up the pic register if it is fixed.
10055 (thumb_expand_prologue): Likewise.
10056 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10057 (pic_load_addr_based_insn): Likewise.
10058 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10061 2006-01-18 Ben Elliston <bje@au.ibm.com>
10063 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10064 decimal float modes for all floating point registers.
10066 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10067 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10069 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10072 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10073 even when the pointer is not NULL.
10075 2006-01-16 Ian Lance Taylor <ian@airs.com>
10077 * common.opt (ftoplevel-reorder): New option.
10078 * cgraph.c (cgraph_asm_nodes): New global variable.
10079 (cgraph_asm_last_node): New static variable.
10080 (cgraph_order): New global variable.
10081 (cgraph_create_node): Set new order field.
10082 (cgraph_varpool_node): Likewise.
10083 (decide_is_variable_needed): Return true if not
10084 flag_toplevel_reorder.
10085 (cgraph_add_asm_node): New function.
10086 * cgraph.h (struct cgraph_node): Add order field.
10087 (struct cgraph_varpool_node): Add order field.
10088 (struct cgraph_asm_node): Define.
10089 (cgraph_asm_nodes, cgraph_order): Declare.
10090 (cgraph_add_asm_node): Declare.
10091 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10093 (cgraph_varpool_assemble_pending_decls): Call it.
10094 (cgraph_output_pending_asms): New static function.
10095 (cgraph_finalize_compilation_unit): Call it.
10096 (struct cgraph_order_sort): Define.
10097 (cgraph_output_in_order): New static function.
10098 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10099 !flag_toplevel_reorder case.
10100 * c-parser.c: Include "cgraph.h".
10101 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10103 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10104 than -fno-unit-at-a-time.
10105 * doc/invoke.texi (Option Summary): Mention
10106 -fno-toplevel-reorder.
10107 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10108 -funit-at-a-time documentation.
10110 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10111 Kazu Hirata <kazu@codesourcery.com>
10113 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10115 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10117 * Makefile.in (FUNCTION_H): New. Use it instead of
10118 function.h throughout the file.
10119 * function.h: Include tree.h.
10121 2006-01-17 Ben Elliston <bje@au.ibm.com>
10123 * recog.c: Separate some functions with whitespace.
10125 2006-01-16 Richard Henderson <rth@redhat.com>
10127 Merge from gomp branch:
10128 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10129 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10130 and rename from struct inline_data. Rename callee* to dst*;
10131 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10132 transform_new_cfg, transform_return_to_modify, and
10133 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10135 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10136 (copy_decl_for_dup): Remove.
10137 * tree-inline.c (struct inline_data): Move to header.
10138 (insert_decl_map): Export.
10139 (remap_decl): Update for member name changes. Use copy_decl hook.
10140 Allow for replacement to be a non-decl. Remove dead code.
10141 (remap_type_1): Check for existing mapping.
10142 (remap_type): Export.
10143 (remap_decls): Update for member name changes.
10144 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10145 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10146 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10147 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10148 (tree_function_versioning, build_duplicate_type): Likewise.
10149 (copy_body_r): Likewise. Export.
10150 (copy_decl_for_dup): Split into ...
10151 (copy_decl_for_dup_finish, copy_decl_to_var,
10152 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10153 (replace_ref_tree, inlining_p): Remove.
10155 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10157 * ifcvt.c (if_convert): Make it static.
10158 * rtl.h: Remove the prototype for if_convert.
10160 * local-alloc.c (local_alloc): Make it static.
10161 * rtl.h: Remove the prototype for local_alloc.
10163 * loop.c (loop_optimize): Make it static.
10164 * cfgloop.h: Remove the prototype for loop_optimize.
10167 2006-01-16 DJ Delorie <dj@redhat.com>
10169 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10172 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10174 * pa.md: Disparage copies between general and floating-point registers
10175 in 32-bit move patterns.
10177 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10180 * Makefile.in (check-%): Depend on site.exp instead of
10181 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10184 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10186 * global.c (global_alloc): Make it static.
10187 * rtl.h: Remove the prototype for global_alloc.
10189 2006-01-16 Richard Guenther <rguenther@suse.de>
10191 * tree-ssa-alias.c (struct used_part): Add write_only field.
10192 (get_or_create_used_part_for): Initialize it to true.
10193 (create_overlap_variables_for): Don't create structure variables
10194 for structures that only are written to.
10195 (find_used_portions): Handle MODIFY_EXPR to track whether a
10196 structure is only written to.
10198 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10200 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10202 * basic-block.h: Remove the prototype for
10203 partition_hot_cold_basic_blocks.
10205 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10207 * cppspec.c (lang_specific_spec_functions): Remove.
10208 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10209 * gcc.h (lang_specific_spec_functions): Remove.
10210 * gccspec.c (lang_specific_spec_functions): Remove.
10212 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10214 * combine.c (record_value_for_reg): Invalidate registers
10216 (record_dead_and_set_regs_1): Likewise, by passing them to
10217 record_value_for_reg.
10218 (record_dead_and_set_regs): Invalidate stores made by a
10219 call. We do not combine across a call, but we still
10220 relied on equivalences.
10222 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10224 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10225 vrp_int_const_binop returning non-constant nodes.
10227 2006-01-16 Paul Brook <paul@codesourcery.com>
10229 * config/m68k/m68k.c (output_move_const_into_data_reg):
10230 Output correct mnemonic for mvz and mvs.
10232 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10234 * rtl-factoring.c: Add sequence abstraction algorithm.
10235 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10236 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10238 (block_has_preserve_label): New function.
10239 * common.opt: Register new pass.
10240 * Makefile.in: Ditto.
10242 * timevar.def: Ditto.
10243 * tree-pass.h: Ditto.
10244 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10245 * rtl.h (make_jump_insn_raw): Add forward decl.
10246 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10248 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10249 Roger Sayle <roger@eyesopen.com>
10251 * fold-const.c (fold_minmax): New static function.
10252 (fold_binary) <MIN_EXPR>: Call it.
10253 <MAX_EXPR>: Likewise.
10254 * stor-layout.c (place_field): Use DECL_SIZE consistently
10255 in the computation of the new record size.
10257 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10259 * cse.c (cse_condition_code_reg): Make it static.
10260 * rtl.h: Remove the prototype for cse_condition_code_reg.
10262 * combine.c (combine_instructions): Make it static.
10263 * rtl.h: Remove the prototype for combine_instructions.
10265 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10268 * tree.c (get_file_function_name_long): Concatenate the first global
10269 object name with a string derived from the input filename of the object
10272 2006-01-16 Ben Elliston <bje@au.ibm.com>
10274 * config/i386/winnt-stubs.c: Update FSF address.
10275 * config/xtensa/ieee754-df.S: Ditto.
10276 * config/xtensa/ieee754-sf.S: Ditto.
10278 2006-01-14 Ian Lance Taylor <ian@airs.com>
10280 * ifcvt.c (noce_init_if_info): New static function, broken out of
10281 noce_process_if_block.
10282 (noce_process_if_block): Call noce_init_if_info.
10283 (check_cond_move_block): New static function.
10284 (cond_move_process_if_block): New static function.
10285 (process_if_block): Call cond_move_process_if_block.
10287 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10289 * cselib.c (hash_table): Rename to cselib_hash_table.
10290 (cselib_clear_table, discard_useless_values,
10291 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10292 cselib_init, cselib_finish): Adjust uses of hash_table.
10294 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10296 PR tree-optimization/25485
10297 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10298 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10299 is known to be false and true, respectively.
10301 2006-01-14 Richard Guenther <rguenther@suse.de>
10303 PR tree-optimization/22548
10304 PR tree-optimization/22555
10305 PR tree-optimization/22501
10306 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10307 * params.def (salias-max-array-elements): New parameter.
10308 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10309 * doc/invoke.texi (salias-max-array-elements): Document.
10310 * tree-flow-inline.h (var_can_have_subvars): We also handle
10312 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10314 * tree-ssa-structalias.c (params.h): Include.
10315 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10316 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10317 (get_constraint_for): For ADDR_EXPR operating on something
10318 containing an ARRAY_REF, add all subvars to the solution.
10319 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10320 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10321 for creating MUST_DEFs.
10322 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10324 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10326 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10328 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10329 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10330 number_of_iterations_le): New functions.
10331 (number_of_iterations_special): Removed.
10332 (number_of_iterations_exit): Do not use number_of_iterations_special.
10333 * tree.c (unsigned_type_for): Always return integer type.
10335 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10336 Richard Guenther <rguenther@suse.de>
10338 PR rtl-optimization/24257
10339 * gcse.c (find_moveable_store): Only consider a store movable
10340 when the SET_SRC of the insn can be assigned to a register.
10342 2006-01-14 Ian Lance Taylor <ian@airs.com>
10344 * tree.c (tree_not_class_check_failed): New function.
10345 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10346 (tree_not_class_check_failed): Declare.
10348 2006-01-13 Ian Lance Taylor <ian@airs.com>
10350 * reload1.c (do_output_reload): Add assertion rejecting a
10353 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10355 * combine.c (struct reg_stat): Add new fields truncation_label and
10357 (record_value_for_reg): Reset truncated_to_mode.
10358 (record_truncated_value): New function.
10359 (check_promoted_subreg): Call it. Rename to check_conversions.
10360 (combine_instructions): Rename check_promoted_subreg to
10362 (reg_truncated_to_mode): New function.
10363 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10364 (gen_lowpart_or_truncate): New function.
10365 (force_to_mode): Use it instead of gen_lowpart.
10367 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10369 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10370 VAR is a tag, not its type tag.
10372 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10374 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10375 alternatives to match style of other entries.
10376 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10378 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10380 PR tree-optimization/25771
10381 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10384 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10387 * tree-inline.c (declare_return_variable): If the return variable
10388 was marked as a non gimple complex, set the return slot variable
10389 to be a non gimple comple variable.
10391 2006-01-13 Richard Guenther <rguenther@suse.de>
10393 * builtins.c (expand_builtin_sincos): New function.
10394 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10396 (expand_builtin): Expand sincos using expand_builtin_sincos.
10398 2006-01-12 DJ Delorie <dj@redhat.com>
10400 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10401 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10402 so that constant shifts can be split.
10403 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10404 (m32c_valid_pointer_mode): Make static.
10405 (shift_gen_func_for): New.
10406 (m32c_prepare_shift): Use it. Split large const shifts into
10408 * config/m32c/predicates.md (shiftcount_operand): Allow more
10410 (longshiftcount_operand): New.
10411 * doc/md.texi (Machine Constraints): Document In6.
10413 2006-01-13 Ben Elliston <bje@au.ibm.com>
10415 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10416 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10419 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10421 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10422 to try to avoid clobbering pieces of structures when we know
10423 something about the whole structure.
10424 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10426 2006-01-13 Ben Elliston <bje@au.ibm.com>
10428 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10429 return in memory, as this is no limitation is no longer present.
10431 2006-01-12 DJ Delorie <dj@redhat.com>
10433 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10434 mova with fb, and for fb+0 -> An.
10436 * config/m32c/mov.md (peephole2): Fix enabling logic.
10438 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10439 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10440 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10441 FINI_ARRAY_SECTION_ASM_OP): Define.
10443 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10445 (m32c_legitimize_reload_address): New logic to reload FB to An.
10446 (m32c_output_reg_push): Add newline.
10447 (m32c_output_reg_pop): Likewise.
10449 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10451 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10453 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10455 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10457 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10459 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10462 2006-01-11 Ben Elliston <bje@au.ibm.com>
10464 * rtlanal.c (find_reg_note): Assert insn is not null.
10466 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10468 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10471 2006-01-11 Jeff Law <law@redhat.com>
10473 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10475 (mark_threaded_blocks, register_jump_thread): New functions.
10476 (thread_through_all_blocks): Remove unwanted argument. No
10477 longer rely on e->aux to communicate thread target info.
10478 Call mark_threaded_blocks. Release the threaded_blocks
10479 bitmap and threaded_edges vector when complete.
10480 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10481 (threaded_blocks): Remove.
10482 (tree_ssa_dominator_optimize): Remove initialization and
10483 finalization of threaded_blocks. Simplify call to
10484 thread_through_all_blocks.
10485 (thread_across_edge): Call register_jump_thread rather than
10486 storing thread information into e->aux.
10487 (free_all_edge_infos): Simplify now that e->aux is no longer
10488 used to communicate with thread_through_all_blocks.
10489 * tree-flow.h (thread_through_all_blocks): Update prototype.
10490 (register_jump_thread): Prototype.
10492 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10494 * df-core.c (df_compact_blocks, df_bb_replace): Use
10495 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10497 2006-01-11 Richard Guenther <rguenther@suse.de>
10499 PR tree-optimization/25734
10500 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10501 stop propagation after successful propagation to the LHS.
10503 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10505 * basic-block.h (control_flow_graph): Change the type of
10506 x_basic_block_info to VEC(basic_block,gc) *.
10507 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10509 (SET_BASIC_BLOCK): New.
10510 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10511 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10512 * cfgbuild.c (find_basic_blocks): Likewise.
10513 * cfglayout.c (fixup_reorder_chain): Likewise.
10514 * cfgrtl.c (create_basic_block_structure,
10515 rtl_create_basic_block): Likewise.
10516 * ifcvt.c (find_if_case_1): Likewise.
10517 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10520 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10522 * Makefile.in: Removed rotted odf.c entry.
10524 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10527 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10528 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10529 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10530 output pattern modifier, not %e.
10531 * config/cris/cris.c (cris_op_str): Update comment about pattern
10533 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10534 before falling through into...
10535 <case 'E'>: Redefined from old 'e' case.
10537 2006-01-11 Jan Hubicka <jh@suse.cz>
10540 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10542 2006-01-11 Jan Hubicka <jh@suse.cz>
10544 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10545 * i386.c (x86_decompose_lea): Kill.
10546 (ix86_rtx_costs): Kill.
10548 2006-01-11 Jan Hubicka <jh@suse.cz>
10550 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10551 * cgraph.h (cgraph_node): Add inline_decl.
10552 (cgraph_insert_node_to_hashtable): Declare.
10553 (save_inline_function_body): Declare.
10554 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10556 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10557 (cgraph_function_versioning): Update call of tree_function_versioning.
10558 (save_inline_function_body): New function.
10559 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10560 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10561 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10562 (cgraph_default_inline_p): Likewise.
10563 (cgraph_decide_inlining_incrementally): Likewise.
10564 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10565 (copy_bb): Kill saving; do updating of clones.
10566 (copy_cfg_body): Kill saving.
10567 (initialize_inlined-parameters): Likewise.
10568 (expand_call_inline): Likewise.
10570 (tree_function_versioning): New parameter "update_clones".
10571 (inlining_p): Kill saving.
10572 * tree-inline.h (tree_function_versioning): Update prototype.
10573 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10576 2006-01-11 Ian Lance Taylor <ian@airs.com>
10578 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10579 Allow undoing set of machine mode.
10580 (do_SUBST): Use enums instead of is_int.
10581 (do_SUBST_MODE): New function.
10582 (SUBST_MODE): New macro.
10583 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10584 reg and trying to replace reg_regno_rtx with a new register.
10585 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10586 (simplify_set): Use SUBST_MODE.
10587 (distribute_notes): Remove code that tried to update reg notes
10588 for regno_reg_rtx changes.
10590 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10592 PR tree-optimization/23109
10593 PR tree-optimization/23948
10594 PR tree-optimization/24123
10596 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10597 * tree-cfg.c (single_noncomplex_succ): New.
10598 * tree-flow.h (single_noncomplex_succ): Declare it.
10599 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10600 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10601 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10602 insert_bb, register_division_in, insert_reciprocals,
10603 replace_reciprocal, free_bb): New.
10604 (execute_cse_reciprocals_1): Rewritten.
10605 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10606 Do not commit any edge insertion. Always compute dominators and
10607 create the allocation pool.
10608 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10609 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10610 * targhooks.c (default_min_divistions_for_recip_mul): New.
10611 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10612 * passes.c (init_optimization_passes): Run recip after tree loop
10614 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10616 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10617 Kenneth Zadeck <zadeck@naturalbridge.com>
10619 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10620 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10621 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10622 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10623 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10624 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10625 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10626 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10627 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10628 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10629 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10630 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10631 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10632 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10633 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10634 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10635 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10636 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10637 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10638 DF_SCAN_POST_ALLOC): New macros.
10639 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10640 df_free_bb_function, df_local_compute_function, df_init_function,
10641 df_dataflow_function, df_confluence_function_0,
10642 df_confluence_function_n, df_transfer_function,
10643 df_finalizer_function, df_free_function, df_dump_problem_function,
10644 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10645 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10646 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10647 df_urec_bb_info, ) New types.
10648 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10650 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10651 df_analyze_simple_change_some_blocks,
10652 df_analyze_simple_change_one_block, df_compact_blocks,
10653 df_bb_replace, df_bb_regno_last_use_find,
10654 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10655 df_insn_regno_def_p, df_find_def, df_find_use,
10656 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10657 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10658 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10659 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10660 debug_df_chain, df_get_dependent_problem, df_chain_create,
10661 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10662 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10663 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10664 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10665 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10666 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10667 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10668 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10669 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10670 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10671 df_reorganize_refs, df_set_state, df_hard_reg_init,
10672 df_read_modify_subreg_p) New public functions.
10673 * df-core.c: The core dataflow solver and glue routines for rtl
10675 (df_init, df_add_problem, df_set_blocks, df_finish,
10676 df_hybrid_search_forward, df_hybrid_search_backward,
10677 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10678 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10679 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10680 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10681 df_reg_defined, df_find_use, df_reg_used, df_dump,
10682 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10683 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10684 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10685 debug_df_useno, reset_df_after_reload): New functions.
10686 * df-scan.c: The scanning fuctions, once in df.c, completely
10687 rewritten so that they now fully model the functionality of
10688 register usage at the backend.
10689 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10690 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10691 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10692 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10693 df_get_artificial_defs, df_get_artificial_uses,
10694 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10695 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10696 df_refs_delete, df_reorganize_refs, df_set_state,
10697 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10698 df_def_record_1, df_defs_record, df_uses_record,
10699 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10700 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10701 df_record_exit_block_uses, df_hard_reg_init): New functions.
10703 * df-problems.c: Seven concrete dataflow problems that use the
10704 scanning in df-scan.c and are solved by the engine in df-core.c.
10705 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10706 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10707 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10708 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10709 df_ru_free_bb_info, df_ru_alloc,
10710 df_ru_bb_local_compute_process_def,
10711 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10712 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10713 df_ru_transfer_function, df_ru_free, df_ru_dump,
10714 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10715 df_rd_free_bb_info, df_rd_alloc,
10716 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10717 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10718 df_rd_transfer_function, df_rd_free, df_rd_dump,
10719 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10720 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10721 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10722 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10723 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10724 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10725 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10726 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10727 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10728 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10729 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10730 df_urec_mark_reg_use_for_earlyclobber,
10731 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10732 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10733 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10734 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10735 df_chain_create_bb_process_use, df_chain_create_bb,
10736 df_chain_finalize, df_chain_free, df_chains_dump,
10737 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10738 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10739 df_reg_lifetime): New functions.
10740 * df.c: Deleted file.
10741 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10742 consistent with new df api.
10743 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10744 rest_of_handle_sms): Ditto.
10745 * web.c (unionfind_union, union_defs, entry_register, web_main):
10747 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10748 invariant_expr_equal_p, find_defs, check_dependencies,
10749 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10750 free_inv_motion_data, move_loop_invariants): Ditto.
10751 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10752 Update dependencies.
10753 (odf.c): Added defective entry that was deleted later in day.
10754 * sched-deps.c (sched_analyze_1): Ditto.
10756 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10758 * tree-ssa-operands.c (get_expr_operands): Record addressable
10759 variables directly. Do not call add_stmt_operands for CONST_DECLs
10761 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10762 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10764 2006-01-11 Ben Elliston <bje@au.ibm.com>
10766 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10767 function returns true in the positive case.
10769 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10772 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10773 for SI, DI, SF and DF modes. Add alternatives to copy between
10774 general and floating point registers to the 32-bit patterns.
10775 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10776 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10777 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10778 generating 64-bit code.
10779 * config/pa/pa.c (output_move_double): Handle copies between general
10780 and floating registers.
10782 2006-01-10 Stuart Hastings <stuart@apple.com>
10784 * config/i386/i386.md (set_got): Update.
10785 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10786 (builtin_setjmp_receiver): Mach-O support.
10787 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10788 (GOT_SYMBOL_NAME): Define.
10789 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10790 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10791 * config/i386/i386.c (override_options): Revise for Darwin.
10792 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10793 support. (darwin_x86_file_end): New. (output_set_got): Add label
10794 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10795 * config/i386/i386-protos.h (output_set_got): Likewise.
10796 * config/darwin.c (machopic_legitimize_pic_address): Update
10799 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10801 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10802 when MODE isn't BLKmode.
10804 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10806 PR rtl-optimization/25367
10807 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10809 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10812 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10813 for a negative bound.
10815 2006-01-10 Richard Guenther <rguenther@suse.de>
10817 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10818 Never override with anything constraint.
10820 2006-01-10 Jan Beulich <jbeulich@novell.com>
10822 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10823 256 bits when optimize_size.
10825 2006-01-10 Jan Beulich <jbeulich@novell.com>
10827 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10829 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10830 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10833 2006-01-10 Ben Elliston <bje@au.ibm.com>
10835 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10837 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10838 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10839 (USE_FP_FOR_ARG): Reject decimal float modes.
10840 (function_arg_advance): Likewise.
10841 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10842 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10843 point types in AltiVec vectors.
10844 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10845 (rs6000_libcall_value): Likewise.
10847 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10849 * config/xtensa/ieee754-df.S: New file.
10850 * config/xtensa/ieee754-sf.S: New file.
10851 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10852 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10853 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10855 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10857 * config/sh/predicates.md (binary_float_operator,
10858 binary_logical_operator, commutative_float_operator,
10859 equality_comparison_operator, greater_comparison_operator,
10860 less_comparison_operator, logical_operator,
10861 noncommutative_float_operator, shift_operator,
10862 symbol_ref_operand, unary_float_operator): Remove redundant
10865 2006-01-09 Jeff Law <law@redhat.com>
10867 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10868 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10869 now unused arguments. Callers updated.
10870 (eliminate_redundant_computations): Remove now unused arguments,
10872 (local_fold): Remove, no longer used.
10873 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10875 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10876 (simplify_cond): New function.
10877 (forward_propagate_into_cond): Call simplify_cond.
10879 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10881 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10882 (*vec_extractv2di_1_sse): New.
10884 2006-01-09 Ben Elliston <bje@au.ibm.com>
10886 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10888 2006-01-08 Richard Guenther <rguenther@suse.de>
10890 * tree-ssa-structalias.c (get_constraint_for): Remove
10891 anyoffset argument.
10892 (get_constraint_for_component_ref): Likewise.
10893 (do_deref): Likewise.
10894 (get_constraint_for): Likewise.
10895 (do_structure_copy): Likewise.
10896 (handle_ptr_arith): Likewise.
10897 (find_func_aliases): Likewise. Remove unused need_anyoffset
10900 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10901 Kaz Kojima <kkojima@gcc.gnu.org>
10903 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10904 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10905 (EXTRA_CONSTRAINT_C16): Remove.
10906 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10907 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10908 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10909 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10910 constants of SHmedia. Handle nested constant expressions of
10912 (andcosts): Fix the costs for SHmedia constants.
10913 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10914 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10915 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10916 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10917 (movv4hi_i, movv2si_i): Likewise.
10918 (movsi_const): Adjust the second operand of ior so to match with
10919 the Csu constraint.
10920 (movdi_const, movdi_const_32bit): Likewise.
10921 (movdi_const_16bit+1): Don't sign-extend LOW.
10922 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10924 (*double_shori): Fix the split condition. Use GEN_INT instead
10925 of get_int_mode calls. Mask lower 16-bit of the argument of
10927 (sym2GOTPLT): Remove.
10928 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10930 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10931 instead of EXTRA_CONSTRAINT_C16.
10933 2006-01-07 Ian Lance Taylor <ian@airs.com>
10934 David Edelsohn <edelsohn@gnu.org>
10936 PR rtl-optimization/25662
10937 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10938 for constant operands instead of simplify_gen_binary.
10939 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10940 after trying simplify_binary_operation
10942 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10944 * tree.c (iterative_hash_expr): Hash decls based on UID.
10946 2006-01-06 Eric Christopher <echristo@apple.com>
10948 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10949 (TARGET_UNWIND_EMIT): Fix spelling.
10950 * target.h (gcc_target): Add except_table_label.
10951 * except.c (output_function_exception_table): Use.
10952 * varasm.c (default_emit_except_table_label): New.
10953 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10955 (asm_out): Add here.
10956 * output.h (default_emit_except_table_label): Prototype.
10957 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10958 * config/darwin.c (darwin_emit_except_table_label): Define.
10959 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10961 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10963 PR tree-optimization/18527
10964 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10965 number_of_iterations_special, number_of_iterations_exit):
10966 Move base and step of an iv to a single structure. Add
10967 no_overflow flag, and use it in # of iterations analysis.
10968 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10969 folded_casts argument.
10970 (simple_iv): Pass base and step in a structure. Set no_overflow
10972 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10973 Evaluate expensiveness of computing # of iterations instead of
10974 the final expression.
10975 * tree-scalar-evolution.h (affine_iv): New structure.
10976 (simple_iv): Declaration changed.
10977 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10978 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10979 find_givs_in_stmt): Changed due to simple_iv change.
10981 2006-01-06 Jeff Law <law@redhat.com>
10984 * tree-cfg.c (bsi_replace): Rename final argument from
10985 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10986 change (stmt -> orig_stmt).
10987 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10988 (bsi_remove): Add new argument. Remove EH information
10990 (verify_eh_throw_table_statements): New function.
10991 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10993 * tree-optimize.c (execute_free_cfg_annotations): Verify
10994 the EH throw statement table after removing annotations.
10995 * except.h (verify_eh_throw_table_statements): Prototype.
10996 * tree-flow.h (bsi_remove): Update prototype.
10997 * tree-vrp.c (remove_range_assertions): Add new argument to
10999 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11000 * tree-complex.c (expand_complex_div_wide): Likewise.
11001 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11002 * tree-tailcall.c (eliminate_tailcall): Likewise.
11003 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11004 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11005 * tree-nrv.c (tree_nrv): Likewise.
11006 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11007 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11008 (combine_blocks): Likewise.
11009 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11010 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11011 (cleanup_control_flow): Likewise.
11012 (remove_forwarder_block): Likewise.
11013 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11014 * tree-sra.c (sra_replace): Likewise.
11015 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11016 (forward_propagate_single_use_vars): Likewise.
11017 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11018 * tree-inline.c (expand_call_inline): Likewise.
11019 * tree-vect-transform.c (vect_transform_loop): Likewise.
11020 * tree-outof-ssa.c (rewrite_trees): Likewise.
11021 * tree-cfg.c (make_goto_expr_edges): Likewise.
11022 (cleanup_dead_labels): Likewise.
11023 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11024 (bsi_move_before, bsi_move_after): Likewise.
11025 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11026 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11028 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11031 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11033 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11034 on non gimple variables. Also add checks at the top for decls and
11036 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11038 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11039 and IMAGPART_EXPR for creating MUST_DEFs.
11040 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11041 and NAME_MEMORY_TAG separately from the DECLs.
11043 2006-01-06 Richard Guenther <rguenther@suse.de>
11045 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11046 annotation, if necessary.
11047 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11048 redundant calls to update_stmt.
11049 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11052 2006-01-05 Richard Henderson <rth@redhat.com>
11054 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11056 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11058 * c-typeck.c: Update copyright date.
11060 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11062 * c-typeck.c (build_c_cast): Always warn when casting
11063 from a pointer to an integer of different size, even if
11064 the node was constant.
11066 2006-01-05 Richard Guenther <rguenther@suse.de>
11068 PR tree-optimization/22555
11069 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11070 if one structure field is an array.
11071 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11072 operands even if we found a subvar, but ignore VOPs in this
11074 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11076 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11078 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11080 PR middle-end/24998
11081 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11083 2006-01-05 Richard Guenther <rguenther@suse.de>
11084 Diego Novillo <dnovillo@redhat.com>
11086 * tree-pass.h (TODO_remove_unused_locals): Define.
11087 * gimple-low.c (expand_var_p, remove_useless_vars,
11088 pass_remove_useless_vars): Remove. Update all users.
11089 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11090 (remove_unused_locals): New function.
11091 * tree-flow.h (remove_unused_locals): Declare.
11092 * passes.c (execute_todo): Call remove_unused_locals if
11093 TODO_remove_unused_locals is set.
11094 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11095 * tree-ssa-dce.c (pass_dce): Likewise.
11096 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11098 2006-01-05 Richard Guenther <rguenther@suse.de>
11100 * tree-flow.h (struct fieldoff): Decompose field to
11101 type, size and decl.
11102 * tree-ssa-alias.c (create_sft): Take type as parameter.
11103 (create_overlap_variables_for): Store type, size and decl
11104 in the fieldoff structure.
11105 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11106 of struct fieldoff.
11107 (push_fields_onto_fieldstack): Likewise.
11108 (create_variable_info_for): Likewise. Use offset for the
11109 SFT name if the decl is not available.
11111 2006-01-04 Paul Brook <paul@codesourcery.com>
11113 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11115 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11117 * lambda-code.c (can_put_in_inner_loop): Relax
11119 (can_put_after_inner_loop): New function.
11120 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11121 (perfect_nestify): Change to make copies and modify uses.
11123 2006-01-04 Richard Henderson <rth@redhat.com>
11125 Merge from gomp branch:
11126 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11127 via integer constant.
11128 (pragma_lex): Remove.
11129 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11130 rather than parsing it.
11131 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11132 handle_pragma_extern_prefix): Add %< %> quotes.
11133 (registered_pragmas): New.
11134 (c_register_pragma_1): New.
11135 (c_register_pragma): Use it.
11136 (c_register_pragma_with_expansion): Likewise.
11137 (c_invoke_pragma_handler): New.
11138 (init_pragma): Use cpp_register_deferred_pragma directly for
11140 * c-pragma.h (enum pragma_kind): New.
11141 (pragma_handler): New.
11142 (c_invoke_pragma_handler): Declare.
11143 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11145 * c-common.h (c_common_pch_pragma): Update decl.
11146 * Makefile.in (c-parser.o): Update dependencies.
11147 (GTFILES): Add c-pragma.h.
11148 * c-parser.c (struct c_token): Add pragma_kind.
11149 (struct c_parser): Add in_pragma.
11150 (c_lex_one_token): Always initialize keyword and pragma_kind.
11151 Extract data for CPP_PRAGMA.
11152 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11153 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11154 Don't allow CPP_PRAGMA_EOL if in_pragma.
11155 (c_parser_consume_pragma): New.
11156 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11157 (c_parser_skip_to_end_of_parameter): Likewise.
11158 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11159 (c_parser_skip_to_pragma_eol): New.
11160 (c_parser_external_declaration): Handle CPP_PRAGMA.
11161 (c_parser_compound_statement_nostart): Likewise.
11162 (c_parser_statement_after_labels): Likewise.
11163 (c_parser_pragma): New.
11164 (pragma_lex): Likewise.
11165 (c_parser_pragma_pch_preprocess): New.
11166 (c_parser_new): Merge into ...
11167 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11169 2006-01-04 Jeff Law <law@redhat.com>
11172 * tree-cfg.c (bsi_replace): Remove the original statement
11173 from the EH throw statement table.
11175 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11177 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11178 make the prototype extern "C" and add throw ().
11181 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11182 and pos non-negative and pos + len <= 32.
11183 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11184 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11185 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11188 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11189 as well as sizes not multiple of component size.
11192 * function.c (instantiate_expr): New function.
11193 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11194 walk its DECL_VALUE_EXPR with instantiate_expr.
11196 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11197 DW_OP_deref{,_size} if address isn't going to be added.
11199 2006-01-04 Ben Elliston <bje@au.ibm.com>
11201 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11202 * config/fp-bit.c: Likewise.
11204 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11206 * dominance.c: Add comment about why we use DFS numbering
11209 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11210 Richard Henderson <rth@redhat.com>
11212 Merge from gomp-branch:
11213 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11214 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11216 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11218 PR rtl-optimization/25578
11219 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11220 pass a parameter to simplify_shift_const if changing ASHIFTRT
11223 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11225 * builtins.c (get_builtin_sync_mem): New function.
11226 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11227 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11228 Call get_builtin_sync_mem to generate mem rtx.
11230 2006-01-03 Richard Guenther <rguenther@suse.de>
11233 * stmt.c (add_case_node): Make sure to clear overflow flags
11236 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11238 Merge from gomp-branch.
11239 * config/sparc/sync.md: New file.
11240 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11241 UNSPECV_LDSTUB): New constants.
11242 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11243 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11244 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11247 2006-01-03 Roger Sayle <roger@eyesopen.com>
11249 * combine.c (reg_subword_p): New predicate to test whether the
11250 destination of a set refers to a subword/piece of a register.
11251 (try_combine): Generalize the code to merge the setting of a
11252 pseudo to a constant followed by a set of a subword of that
11253 register to a constant.
11255 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11257 * basic-block.h (control_flow_graph): Change the type of
11258 x_label_to_block_map to VEC(basic_block,gc) *.
11259 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11260 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11262 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11263 VEC(basic_block,heap) *.
11264 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11265 ssa_prop_fini): Adjust the uses of cfg_blocks.
11267 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11269 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11271 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11272 hashing trees instead of a pointer hash.
11273 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11274 compare for MEM_EXPR.
11276 PR rtl-optimization/25130
11277 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11278 when comparing MEMs for GCSE
11280 2006-01-03 Ben Elliston <bje@au.ibm.com>
11282 * targhooks.h (default_decimal_float_supported_p): Declare.
11283 * targhooks.c (default_decimal_float_supported_p): Define.
11284 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11285 `default_decimal_float_supported_p'.
11286 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11288 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11290 * combine.c (apply_distributive_law <SUBREG>): Check
11291 TRULY_NOOP_TRUNCATION.
11293 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11295 * dwarf2out.c (have_switched_text_section): Delete.
11296 (have_multiple_function_sections): New.
11297 (have_location_lists): Make 'bool'.
11298 (add_AT_loc_list): Use 'true' not '1'.
11299 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11300 (output_loc_list): Use have_multiple_function_sections.
11301 (output_ranges): Likewise.
11302 (dwarf2out_begin_function): Set have_multiple_function_sections if
11304 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11305 Check function_section rather than DECL_SECTION_NAME.
11306 (dwarf2out_finish): Use have_multiple_function_sections.
11307 Don't clear have_location_lists.
11309 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11310 Jan Hubicka <jh@suse.cz>
11312 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11313 case of conditional jump jumping to the next instruction.
11314 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11315 cases of conditional jump jumping to the next instruction.
11317 2006-01-02 Jan Hubicka <jh@suse.cz>
11319 * i386.c (*_cost): Add COSTS_N_INSNS.
11320 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11322 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11325 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11327 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11329 * config/arm/arm.c (all_fpus): Fix comment typo.
11330 * config/darwin.c: Likewise.
11331 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11332 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11333 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11335 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11337 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11338 (rs6000_split_compare_and_swapqhi): New.
11339 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11340 (sync_compare_and_swapqhi_internal): New.
11341 * config/rs6000/rs6000-protos.h: Declare.