1 2006-11-27 Ira Rosen <irar@il.ibm.com>
3 PR tree-optimization/22372
4 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
5 the type of the base address.
6 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
7 it in the data-ref pointer creation.
8 (vect_init_vector): Add an argument, type of the init vector. Use it in
10 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
11 (get_initial_def_for_reduction): Likewise.
12 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
14 (vectorizable_assignment, vect_permute_store_chain): Likewise.
15 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
16 correct type in stmt creation.
17 (vect_setup_realignment): Use the correct type in stmt creation.
18 (vect_permute_load_chain): Change type of MODIFY_EXPR to
20 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
21 of MODIFY_EXPR to void_type_node.
22 (vectorizable_condition): Change type of MODIFY_EXPR to
24 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
27 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
30 2006-05-08 Uros Bizjak <uros@kss-loka.si>
31 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
32 standard 80387 constants, raise the cost to prevent
33 compress_float_constant() to generate load from memory.
35 * config/i386/i386.md: Add new splitter pattern to split
36 float_extended load of constant from constant pool into
39 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
41 * doc/install.texi: Move GMP/MPFR configure options from Fortran
42 section to general section. Remove documentation for
43 --with-mpfr-dir and --with-gmp-dir, add documentation for
44 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
47 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
49 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
51 * testsuite/gcc.dg/ipa/ipa-6.c: New.
53 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
55 PR tree-optimization/29122
56 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
57 for the new version. Assign NULL to DECL_RTL of the new version.
59 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
61 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
63 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
65 * cse.c (cse_altered): Remove.
66 (record_jump_equiv): Make true/false argument a bool instead
68 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
69 where appropriate. Emit a new jump before the existing one
70 instead of after so that delete_insn_and_edges removes the
71 dead edges properly. Check any_condjump_p before calling
73 (cse_basic_block): Check any_condjump_p before calling
75 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
77 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
79 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
80 -ffixed-line-length-* options.
82 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
84 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
85 (fprem1xf4): Rename to fprem1xf4_i387.
87 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
88 Rename patterns to fmod<mode>3. Use general_operand operand
89 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
90 patterns for SSE math.
91 (remaindersf3, remainderdf3): Ditto.
93 2006-11-25 Joseph Myers <joseph@codesourcery.com>
95 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
96 inside start_sequence / end_sequence pair.
98 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
100 * jump.c (mark_all_labels): Work in cfglayout mode.
101 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
102 when in cfglayout mode, because there are no dead jumptables
104 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
106 (commit_edge_insertions): Do not allow insertion of instructions
107 with control flow insns when in cfglayout mode.
109 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
111 * tree-vrp.c (execute_vrp): Do not pass loops structure through
113 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
114 unswitch_loop): Ditto.
115 * tree-loop-linear.c (linear_transform_loops): Ditto.
116 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
117 tree_ssa_lim): Ditto.
118 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
119 free_numbers_of_iterations_estimates): Ditto.
120 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
121 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
122 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
123 remove_path, add_loop, loopify, unloop, fix_loop_placements,
124 place_new_loop, duplicate_loop, duplicate_subloops,
125 update_single_exit_for_duplicated_loops, copy_loops_to,
126 duplicate_loop_to_header_edge, create_preheaders,
127 force_single_succ_latches, loop_version, fix_loop_structure):
129 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
130 tree_unroll_loop): Ditto.
131 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
132 * tree-scalar-evolution.c (select_loops_exit_conditions,
133 scev_initialize, scev_analysis): Ditto.
134 * tree-scalar-evolution.h (scev_initialize): Ditto.
135 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
136 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
137 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
138 * modulo-sched.c (sms_schedule): Ditto.
139 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
140 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
141 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
142 * ifcvt.c (if_convert): Ditto.
143 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
144 canonicalize_loop_induction_variables,
145 canonicalize_induction_variables,
146 tree_unroll_loops_completely, remove_empty_loops): Ditto.
147 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
148 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
149 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
150 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
151 tree_ssa_loop_done): Ditto.
152 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
153 estimate_bb_frequencies): Ditto.
154 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
155 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
156 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
157 decide_unrolling_and_peeling, peel_loop_completely,
158 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
159 peel_loop_simple, unroll_loop_stupid): Ditto.
160 * loop-doloop.c (doloop_optimize_loops): Ditto.
161 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
162 * loop-invariant.c (move_loop_invariants): Ditto.
163 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
164 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
165 tree_ssa_prefetch_arrays): Ditto.
166 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
168 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
169 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
170 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
171 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
172 verify_loop_structure): Ditto.
173 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
174 canonicalize_induction_variables, tree_unroll_loops_completely,
175 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
176 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
177 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
178 tree_unroll_loop, linear_transform_loops): Declaration changed.
179 * basic-block.h: Remove declaration of struct loops.
180 * cfghooks.h (struct cfg_hooks): Change type of
181 cfg_hook_duplicate_loop_to_header_edge.
182 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
183 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
184 vect_transform_loop): Declaration changed.
185 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
186 * cfgloop.h (flow_loops_dump, fix_loop_structure,
187 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
188 cancel_loop_tree, create_preheaders, force_single_succ_latches,
189 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
190 loopify, loop_version, remove_path, unswitch_loops,
191 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
194 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
196 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
197 (X87MODEF): New mode macro.
198 (ssemodefsuffix): New mode attribute.
199 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
200 (sqrt_extend<mode>xf2_i387): New insn pattern.
201 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
202 insn and truncate result back to original mode using
203 UNSPEC_TRUNC_NOOP truncation.
204 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
205 ssemodefsuffix mode attribute.
206 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
207 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
208 (*sqrtextenddfxf2_i387): Remove insn patterns.
210 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
213 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
215 2006-11-24 Jakub Jelinek <jakub@redhat.com>
218 * c-tree.h (c_maybe_initialize_eh): New prototype.
219 * c-decl.c (finish_decl): Move EH initialization...
220 (c_maybe_initialize_eh): ... here. New function.
221 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
222 if not #pragma omp atomic.
225 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
226 or UNION_TYPE inner types.
228 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
231 * ipa-pure-const.c (check_tree): If the original tree
232 is volatile return early and say the function is not pure
233 nor const. Remove the volatile check for writes.
234 (analyze_function): Print out the result of the local
237 2006-11-24 Joseph Myers <joseph@codesourcery.com>
239 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
241 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
242 * config/rs6000/rs6000.c (rs6000_override_options): Use
243 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
246 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
248 * config/s390.c (s390_emit_compare_and_swap): New function.
249 (s390_expand_cs_hqi, s390_expand_atomic): Call
250 s390_emit_compare_and_swap.
252 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
254 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
256 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
260 * c-common.c (conversion_warning): New.
261 (convert_and_check): Call conversion_warning unless there is an
263 * doc/invoke.texi (-Wconversion): Update description.
265 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
267 * tree-ssa-alias.c (tree_pointer_compare): New function.
268 (compact_name_tags): New function.
269 (group_aliases): Call compact_name_tags.
271 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
273 * real.h (real_isinteger): Declare.
274 * real.c (real_isinteger): Define.
275 * builtins.c (integer_valued_real_p): Use it.
277 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
280 * c.opt (Wtraditional-conversion): New.
281 (Wconversion): Update description.
282 * c-typeck.c (convert_arguments): Warnings for prototypes causing
283 type conversions different from what would happen in the absence
284 of prototype are now handled by Wtraditional-conversion.
285 * doc/invoke.texi (Wtraditional-conversion): New.
286 (Wconversion): Update description.
287 * doc/trouble.texi (Wconversion): Replace Wconversion by
288 Wtraditional-conversion.
290 2006-11-23 Andrew Pinski <pinskia@gmail.com>
292 * predict.c (tree_estimate_probability): Check to make
293 sure current_loops is non null before calling flow_loops_dump.
295 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
297 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
299 2006-11-23 David Ung <davidu@mips.com>
301 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
303 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
304 (ASM_SPEC): Pass along -mfp32 and -mfp64.
305 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
306 high part of FP register when in 64-bit FP register mode. Similarly
307 use gen_mfhc1 to load high part of FP register.
308 (override_options): Allow -mgp32 and -mfp64 combination if
309 ISA_HAS_MXHC1 (currently for O32 only).
310 (mips_cannot_change_mode_class): If floating-point registers are
311 bigger than word size. disallow conversion of float register from a
312 large integer mode to a float mode smaller than the float register
314 (mips_class_max_nregs): Handle float registers case seperately.
315 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
317 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
318 (movdf_hardfloat_32bit): Similarly.
319 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
320 support a full 64-bit fpu.
321 (mthc1): New pattern to generate MTHC1 instruction.
322 (mfhc1): New pattern to generate MFHC1 instruction.
323 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
324 option for the MIPS32R2 and mention its use under O32 ABI.
326 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
328 * var-tracking.c (emit_note_insn_var_location): Take care not to
329 cause verify_flow_info failures.
331 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
333 * tree-ssa-structalias.c: Remove edge weights in favor of just
334 processing them as complex constraints.
335 (struct constraint_graph): Remove weighted succs and preds. Rename
336 nonweighted succs and preds.
337 (constraint_edge): Removed.
338 (constraint_edge_t): Ditto.
339 (constraint_edge_pool): Ditto.
340 (new_constraint_edge): Ditto.
341 (constraint_edge_equal): Ditto.
342 (constraint_edge_less): Ditto.
343 (constraint_edge_vec_find): Ditto.
344 (erase_self_graph_edge): Ditto.
345 (add_graph_edge): Removed.
346 (get_graph_weights): Ditto.
347 (allocate_graph_weights): Ditto.
348 (valid_weighted_graph_edge): Ditto
349 (bitmap_other_than_zero_bit_set): Ditto.
350 (int_add_graph_edge): Renamed to add_graph_edge.
351 (clear_edges_for_node): Remove support for weighted edges.
352 (merge_graph_nodes): Ditto.
353 (valid_graph_edge): Ditto.
354 (build_constraint_graph): Ditto.
356 (collapse_nodes): Ditto.
357 (process_unification_queue): Ditto.
359 (do_ds_constraint): Ditto.
360 (perform_var_subsitution): Ditto.
361 (solve_graph): Ditto.
362 (init_alias_vars): Ditto.
363 (delete_points_to_sets): Ditto.
364 (do_complex_constraint): Support offsetted copies here.
366 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
368 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
370 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
372 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
375 2006-11-23 Ben Elliston <bje@au.ibm.com>
377 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
379 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
381 PR tree-optimization/29921
382 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
383 signed and unsigned zero equal.
385 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
387 * config/rs6000/rs6000.c (get_store_dest): New.
388 (adjacent_mem_locations): Use get_store_dest() to get
389 the rtl of the store destination.
391 2006-11-22 Joseph Myers <joseph@codesourcery.com>
393 * config/rs6000/spe.md (SPE64): New mode macro.
394 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
396 (mov_si<mode>_e500_subreg0_2): New.
397 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
399 (mov_si<mode>_e500_subreg4_2): New.
400 * config/rs6000/predicates.md (input_operand): Do not allow
401 invalid E500 subregs.
402 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
404 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
405 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
406 involving vector modes if TARGET_SPE.
408 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
411 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
412 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
414 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
416 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
417 mem_i_address_operand): New predicates.
418 * config/bfin/bfin.c (bfin_issue_rate): New function.
419 (TARGET_SCHED_ISSUE_RATE): New macro.
420 * config/bfin/bfin.md (addrtype): New attribute.
421 (slot0, slot1, slot2, store, pregs): New cpu_units.
422 (core): Now a define_reservation.
423 (alu): Remove some insn types from this reservation.
424 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
426 (dummy reservation): Don't trigger for mcld insns.
427 (absence_sets): Two new absence sets to enforce slot ordering.
428 (popsi_insn): Set addrtype.
430 2006-11-22 Ira Rosen <irar@il.ibm.com>
432 * doc/c-tree.texi: Document new tree codes.
433 * doc/md.texi: Document new optabs.
434 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
436 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
437 * optabs.h (optab_index): Add new.
438 (vec_extract_even_optab, vec_extract_odd_optab,
439 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
440 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
441 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
443 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
444 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
445 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
446 along with macros for their access.
447 * tree-data-ref.h (first_location_in_loop, data_reference): Update
449 * tree-vect-analyze.c (toplev.h): Include.
450 (vect_determine_vectorization_factor): Fix indentation.
451 (vect_insert_into_interleaving_chain,
452 vect_update_interleaving_chain, vect_equal_offsets): New functions.
453 (vect_analyze_data_ref_dependence): Add argument for interleaving
454 check. Check for interleaving if it's true.
455 (vect_check_dependences): New function.
456 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
457 every ddr. Call vect_analyze_data_ref_dependence with new argument.
458 (vect_update_misalignment_for_peel): Update for interleaving.
459 (vect_verify_datarefs_alignment): Check only first data-ref for
461 (vect_enhance_data_refs_alignment): Update for interleaving. Check
462 only first data-ref for interleaving.
463 (vect_analyze_data_ref_access): Check interleaving, update
465 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
466 with different parameters.
467 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
468 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
469 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
470 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
471 Update step in case of interleaving.
472 (vect_strided_store_supported, vect_permute_store_chain): New
474 (vectorizable_store): Handle strided stores.
475 (vect_strided_load_supported, vect_permute_load_chain,
476 vect_transform_strided_load): New functions.
477 (vectorizable_load): Handle strided loads.
478 (vect_transform_stmt): Add argument. Handle strided stores. Check
479 that vectorized stmt exists for patterns.
480 (vect_gen_niters_for_prolog_loop): Update calculation for
482 (vect_transform_loop): Remove stmt_vec_info for strided stores after
483 whole chain vectorization.
484 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
485 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
486 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
487 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
488 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
490 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
492 * cse.c (enum taken): Remove PATH_AROUND.
493 (addr_affects_sp_p, invalidate_skipped_set,
494 invalidate_skipped_block): Remove.
495 (cse_end_of_basic_block): Remove skip_blocks and related code.
496 (cse_main): Don't test for flag_cse_skip_blocks.
497 Update cse_end_of_basic_block call.
498 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
499 code to lengthen the path if a jump was simplified.
501 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
503 PR rtl-optimization/29924
504 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
505 (unroll_loop_runtime_iterations): Assert that the argument passed to
506 split_edge_and_insert is not NULL.
507 * loop-doloop.c (add_test): Ditto.
509 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
511 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
513 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
514 * cfgloopmanip.c (update_single_exits_after_duplication,
515 update_single_exit_for_duplicated_loop, loop_version): Ditto.
516 * tree-scalar-evolution.c (get_loop_exit_condition,
517 get_exit_conditions_rec, loop_closed_phi_def,
518 number_of_iterations_in_loop, scev_const_prop): Ditto.
519 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
520 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
522 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
524 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
525 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
526 slpeel_make_loop_iterate_ntimes,
527 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
528 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
530 * tree-if-conv.c (if_convertible_loop_p): Ditto.
531 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
532 vect_analyze_loop_form): Ditto.
533 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
534 can_convert_to_perfect_nest, perfect_nestify): Ditto.
535 * tree-vect-transform.c (vect_create_epilog_for_reduction,
536 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
537 vect_transform_loop): Ditto.
538 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
539 (single_exit, set_single_exit): New functions.
540 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
541 (single_exit, set_single_exit): Declare.
542 * doc/loop.texi: Undocument single_exit field. Document single_exit
545 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
547 PR tree-optimization/29902
548 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
549 any involved ssa name appears in abnormal phi node.
551 2006-11-21 Bob Wilson <bob.wilson@acm.org>
553 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
554 (xtensa_const_ok_for_letter_p): Delete.
555 (xtensa_extra_constraint): Delete.
556 (override_options): Delete xtensa_char_to_class initialization.
557 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
558 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
559 (EXTRA_CONSTRAINT): Delete.
560 * config/xtensa/xtensa.md: Include constraints.md.
561 (call_internal): Combine alternatives.
562 (call_value_internal): Likewise, and remove invalid constraints.
563 * config/xtensa/constraints.md: New file.
564 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
565 (xtensa_extra_constraint): Delete.
566 * doc/md.texi (Machine Constraints): Refer to constraints.md for
569 2006-11-21 Janis Johnson <janis187@us.ibm.com>
571 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
572 of conversion that doesn't fit.
574 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
575 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
576 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
578 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
580 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
582 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
584 2006-11-21 Richard Guenther <rguenther@suse.de>
586 * tree-vectorizer.h (NUM_PATTERNS): Increase.
587 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
588 vect_recog_pow_pattern.
589 (vect_recog_pow_pattern): New function.
591 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
593 * config/bfin/bfin.opt (mstack-check-l1): New.
594 * doc/invoke.texi (Blackfin Options): Document it.
595 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
596 stack bounds in L1 memory if the new option is enabled.
597 (override_options): Don't allow combinations of -fstack-limit and
599 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
602 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
604 (bfin_register_move_cost): Bump costs if trying to move plain
605 integer values through accumulators.
607 2006-11-21 Ben Elliston <bje@au.ibm.com>
609 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
611 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
612 Russell Olsen <Russell_Olsen@playstation.sony.com>
613 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
614 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
615 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
616 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
617 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
619 * config.gcc: Add target for SPU.
620 * config/spu/constraints.md: New file.
621 * config/spu/crt0.c: New file.
622 * config/spu/crtend.c: New file.
623 * config/spu/crti.asm: New file.
624 * config/spu/crtn.asm: New file.
625 * config/spu/float_unsdidf.c: New file.
626 * config/spu/float_unssidf.c: New file.
627 * config/spu/predicates.md: New file.
628 * config/spu/spu-builtins.def: New file.
629 * config/spu/spu-builtins.h: New file.
630 * config/spu/spu-builtins.md: New file.
631 * config/spu/spu-c.c: New file.
632 * config/spu/spu-elf.h: New file.
633 * config/spu/spu-modes.def: New file.
634 * config/spu/spu-protos.h: New file.
635 * config/spu/spu.c: New file.
636 * config/spu/spu.h: New file.
637 * config/spu/spu.md: New file.
638 * config/spu/spu.opt: New file.
639 * config/spu/spu_internals.h: New file.
640 * config/spu/spu_intrinsics.h: New file.
641 * config/spu/spu_mfcio.h: New file.
642 * config/spu/t-spu-elf: New file.
643 * config/spu/vec_types.h: New file.
644 * config/spu/vmx2spu.h: New file.
645 * doc/contrib.texi: Document SPU contributor.
646 * doc/extend.texi: Document SPU extensions.
647 * doc/invoke.texi: Document SPU options.
648 * doc/md.texi: Document SPU constraints.
650 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
652 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
654 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
656 (flow_loop_dump): Do not dump loop level.
657 (flow_loops_find): Do not call flow_loops_level_compute.
658 * cfgloop.h (struct loop): Remove level field.
660 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
662 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
663 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
664 Use vector of edges instead of array.
665 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
666 estimate_numbers_of_iterations_loop): Ditto.
667 * predict.c (predict_loops): Ditto.
668 * loop-unroll.c (analyze_insns_in_loop): Ditto.
669 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
671 * basic-block.h: Declare heap allocation for edge vectors.
672 * tree-outof-ssa.c: Ditto.
673 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
674 * cfgloop.h (get_loop_exit_edges): Declaration changed.
676 2006-11-20 Zack Weinberg <zackw@panix.com>
678 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
679 Add another out parameter, "skip".
680 (set_gc_used_type): Adjust calls to process_gc_options. If a field
681 is tagged "skip", do not mark its type used.
683 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
686 * tree-sra.c (single_scalar_field_in_record_p): New function.
687 (decide_block_copy): Use it.
689 2006-11-20 David Daney <ddaney@avtrex.com>
691 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
692 PC to point to following instruction.
694 2006-11-20 Anatoly Sokolov <aesok@post.ru>
698 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
700 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
702 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
704 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
705 Add sh/superh.h to tm_file.
707 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
708 Mark Mitchell <mark@codesourcery.com>
710 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
712 (cpp_relocated): New function.
713 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
715 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
716 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
717 replace configured prefix with gcc_exec_prefix.
719 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
721 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
722 bfin_legitimate_constant_p.
723 * config/bfin/bfin.md (movsi expander): Check return value of
725 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
726 (expand_move): Adjust prototype.
727 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
728 invalid constants specially.
729 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
731 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
733 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
734 sibcall_value_symbol): Allow these patterns if
735 TARGET_LEAF_ID_SHARED_LIBRARY.
736 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
737 (override_options): Turn on id shared library flags if -msep-data,
738 but disallow the combination of these options on the command line.
739 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
740 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
741 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
743 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
744 * doc/invoke.texi (Blackfin Options): Document new switches.
746 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
747 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
749 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
750 inflate costs for addresses with an out-of-bounds address.
752 2006-11-19 Andrew Pinski <pinskia@gmail.com>
755 * fwprop.c (loops): Remove.
756 (forward_propagate_into): Use current_loops instead of
758 (fwprop_init): Call loop_optimizer_init instead of
760 (fwprop_done): Call loop_optimizer_finalize instead of
762 (fwprop): Use current_loops instead of loops.
764 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
767 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
769 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
772 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
773 larger than BITS_PER_WORD.
775 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
779 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
780 to MAX_FIXED_MODE_SIZE.
782 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
785 (fold_builtin_fmin_fmax): New.
786 (fold_builtin_1): Use it.
788 * fold-const.c (fold_strip_sign_ops): Handle copysign.
790 2006-11-18 Richard Guenther <rguenther@suse.de>
792 * config/i386/i386.c (ix86_builtins): New array for ix86
793 builtin function decls.
794 (def_builtin): New function.
795 (def_builtin_const): Likewise.
796 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
798 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
800 * doc/invoke.texi (core2): Add item.
802 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
804 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
805 (TARGET_CPU_DEFAULT_generic): Change value.
806 (TARGET_CPU_DEFAULT_NAMES): Add core2.
807 (processor_type): Add new constant PROCESSOR_CORE2.
809 * config/i386/i386.md (cpu): Add core2.
811 * config/i386/i386.c (core2_cost): New initialized variable.
812 (m_CORE2): New macro.
813 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
814 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
815 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
816 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
817 x86_partial_reg_dependency, x86_memory_mismatch_stall,
818 x86_accumulate_outgoing_args, x86_prologue_using_move,
819 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
820 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
821 x86_use_incdec, x86_four_jump_limit, x86_schedule,
822 x86_pad_returns): Add m_CORE2.
823 (override_options): Add entries for Core2.
824 (ix86_issue_rate): Add case for Core2.
826 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
828 * doc/invoke.texi: Fix mno-isel typo.
830 2006-11-18 Joseph Myers <joseph@codesourcery.com>
832 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
833 easy vector constant loads.
835 2006-11-18 Joseph Myers <joseph@codesourcery.com>
837 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
838 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
839 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
840 * config/rs6000/sync.md (lwsync): Emit plain sync if
843 2006-11-17 DJ Delorie <dj@redhat.com>
845 * reload1.c (reloads_unique_chain): New.
846 (reloads_conflict): Call it.
848 2006-11-17 Bob Wilson <bob.wilson@acm.org>
850 * config/xtensa/predicates.md (addsubx_operand): New.
851 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
852 (xtensa_emit_bit_branch): New.
853 (xtensa_emit_movcc): New.
854 * config/xtensa/xtensa.md (any_minmax): New code macro.
855 (minmax): New code attribute.
856 (any_cond, any_scc, any_scc_sf): New code macros.
857 (*addx2, *addx4, *addx8): Delete.
859 (*subx2, *subx4, *subx8): Delete.
861 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
862 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
863 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
864 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
865 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
866 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
867 (movsfcc_internal0, movsfcc_internal1): Likewise.
868 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
869 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
870 (xtensa_emit_bit_branch): New.
871 (xtensa_emit_movcc): New.
872 (function_arg_boundary): Add missing prototype.
874 2006-11-17 Bob Wilson <bob.wilson@acm.org>
876 * config/xtensa/xtensa.md (tstsi): Delete
878 2006-11-17 Bob Wilson <bob.wilson@acm.org>
880 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
882 2006-11-17 Bob Wilson <bob.wilson@acm.org>
884 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
886 2006-11-17 Bob Wilson <bob.wilson@acm.org>
888 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
890 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
892 * tree-vrp.c (execute_vrp): Do not update current_loops.
893 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
894 * doc/loop.texi: Remove documentation for cancelled functions.
895 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
896 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
898 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
899 (remove_path): Ensure that in delete_basic_blocks, the loops
901 (add_loop): Work on valid loop structures.
902 (loopify): Modify call of add_loop.
903 (mfb_update_loops): Removed.
904 (create_preheader): Do not update loops explicitly.
905 (force_single_succ_latches, loop_version): Do not use
906 loop_split_edge_with.
907 (loop_split_edge_with): Removed.
908 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
909 Do not use bsi_insert_on_edge_immediate_loop.
910 (split_loop_exit_edge, tree_unroll_loop): Do not use
911 loop_split_edge_with.
912 (bsi_insert_on_edge_immediate_loop): Removed.
913 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
914 use loop_split_edge_with.
915 * cfghooks.c: Include cfgloop.h.
916 (verify_flow_info): Verify that loop_father is filled iff current_loops
918 (redirect_edge_and_branch_force, split_block, delete_basic_block,
919 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
921 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
923 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
924 loop_split_edge_with.
925 (sms_schedule): Use current_loops.
926 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
927 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
929 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
930 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
931 * ifcvt.c (if_convert): Ditto.
932 * predict.c (predict_loops): Do not clear current_loops.
933 (tree_estimate_probability): Use current_loops.
934 (propagate_freq): Receive head of the region to propagate instead of
936 (estimate_loops_at_level): Do not use shared to_visit bitmap.
937 (estimate_loops): New function. Handle case current_loops == NULL.
938 (estimate_bb_frequencies): Do not allocate tovisit. Use
940 * tree-ssa-loop.c (current_loops): Removed.
941 (tree_loop_optimizer_init): Do not return loops.
942 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
943 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
944 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
945 Do not update loops explicitly.
946 * function.h (struct function): Add x_current_loops field.
947 (current_loops): New macro.
948 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
949 * loop-unroll.c (split_edge_and_insert): New function.
950 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
951 use loop_split_edge_with.
952 * loop-doloop.c (add_test, doloop_modify): Ditto.
953 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
954 * cfglayout.c (copy_bbs): Do not update loops explicitly.
955 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
956 * tree-vect-transform.c (vect_transform_loop): Do not update loops
958 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
959 (flow_loops_free): Do not free dfs_order and rc_order.
960 (flow_loops_find): Do not set dfs_order and rc_order in loops
961 structure. Do not call loops and flow info verification.
962 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
963 already belongs to some loop.
964 * cfgloop.h (struct loops): Remove struct cfg.
965 (current_loops, loop_split_edge_with): Declaration removed.
966 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
967 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
969 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
970 * basic-block.h (split_edge_and_insert): Declare.
971 * tree-cfg.c (remove_bb): Do not update loops explicitly.
973 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
975 PR tree-optimization/29801
976 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
977 (get_default_value): Use get_symbol_constant_value.
978 (set_lattice_value): ICE when the value of the constant is
980 (visit_assignment): Ignore VDEFs of read-only variables.
982 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
984 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
986 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
987 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
989 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
991 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
992 select subvars of var.
994 2006-11-17 Jakub Jelinek <jakub@redhat.com>
997 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
998 optimize if DEF doesn't have integral type.
1000 2006-11-16 Mike Stump <mrs@apple.com>
1002 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1003 pre-darwin9 system, unless the user asks for it directly.
1004 (PREFERRED_DEBUGGING_TYPE): Likewise.
1005 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1006 * config.gcc: Add suppport for darwin9.h.
1007 * config/darwin9.h: Add.
1008 * doc/install.texi (Specific): Clarify darwin documentation.
1010 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1012 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1013 optimizing for size.
1015 2006-11-16 Mike Stump <mrs@apple.com>
1017 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1019 2006-11-16 Dirk Mueller <dmueller@suse.de>
1021 * tree-vrp.c (get_value_range): Use XCNEW instead
1023 (insert_range_assertions): Use XCNEWVEC instead
1024 of XNEWVEC and memset.
1025 (vrp_initialize): Same.
1026 (vrp_finalize): Same.
1027 * tree-ssa-ccp.c (ccp_initialize): Same.
1028 * predict.c (tree_bb_level_predictions): Same.
1029 * calls.c (expand_call): Same.
1030 * tree-ssa-copy.c (init_copy_prop): Same.
1031 (fini_copy_prop): Same.
1032 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1033 of GGC_NEW and memset.
1035 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1038 * gimplify.c (gimplify_expr): Only force a load for references to
1039 non-BLKmode volatile values.
1040 * doc/implement-c.texi (Qualifiers implementation): Document the
1041 interpretation of what a volatile access is.
1042 * doc/extend.texi (C++ Extensions): Rework same documentation.
1044 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1046 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1049 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1051 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1053 (arm_neg_abssi2): Renamed from neg_abssi2.
1054 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1056 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1058 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1059 number of arguments passed to local functions in SSE registers is 3.
1061 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1062 number of arguments passed in SSE registers to 3.
1064 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1067 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1069 (get_last_bb_insn): ... new global function.
1070 (basic_block.h): Declare it.
1071 * haifa-sched.c (create_recovery_block): Use it.
1073 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1076 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1078 2006-11-15 Paul Brook <paul@codesourcery.com>
1080 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1081 _Unwind_GetTextRelBase): Move from here ...
1082 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1083 _Unwind_GetTextRelBase): ... To here.
1085 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1087 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1088 addresses we generate for testing are aligned.
1090 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1093 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1094 to what is the const decl is a place holder for.
1096 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1098 * config/i386/i386.opt: New target option -mx87regparm.
1100 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1101 and float_in_x87 variables. mmx_words, sse_words: Remove.
1102 (X87_REGPARM_MAX): Define.
1104 * config/i386/i386.c (override_options): Error out for
1105 -mx87regparm but no 80387 support.
1106 (ix86_attribute_table): Add x87regparm.
1107 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1108 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1109 (ix86_function_x87regparm): New function.
1110 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1112 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1114 (function_arg_advance): Process x87_nregs and x87_regno when
1115 floating point argument is to be passed in 80387 register.
1116 (function_arg): Pass XFmode arguments in 80387 registers for local
1117 functions. Pass SFmode and DFmode arguments to local functions
1118 in 80387 registers when flag_unsafe_math_optimizations is set.
1120 * reg-stack.c (convert_regs_entry): Disable NaN load for
1121 stack registers that are used for argument passing.
1123 * doc/extend.texi: Document x87regparm function attribute.
1124 * doc/invoke.texi: Document -mx87regparm.
1126 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1128 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1129 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1130 arg MODE; all callers changed. Use it to determine validity per
1131 machine mode instead of using Pmode for all memory references.
1132 (get_address_cost): Likewise add and use new arg MEM_MODE.
1134 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1135 J"orn Rennecke <joern.rennecke@st.com>
1137 * combine.c (likely_spilled_retval_1): Fix masking operation.
1138 (likely_spilled_retval_p): Use proper pattern for call to
1139 likely_spilled_retval_1.
1141 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1143 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1145 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1146 that tests for CONSTANT_POOL_ADDRESS_P.
1148 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1150 PR tree-optimization/29581
1151 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1152 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1153 type is different between Y and USE, create a temporary
1154 variable, initialize it at the beginning of the body bb
1155 and use it as replacement instead of Y.
1157 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1160 * gimplify.c (fold_indirect_ref_rhs): Use
1161 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1163 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1165 * expmed.c (emit_store_flag_1): New function.
1166 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1168 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1169 Use do_compare_rtx_and_jump.
1170 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1171 * arm.md (cstoresi4): New define_expand.
1172 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1173 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1174 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1176 2006-11-14 Caroline Tice <ctice@apple.com>
1178 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1179 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1181 (pubname_table): Redefine as a vector.
1182 (pubtype_table): New static global variable, defined as a vector.
1183 (pubname_table_allocated): Remove static global variable.
1184 (pubname_table_in_use): Remove static global variable.
1185 (PUBNAME_TABLE_INCREMENT): Remove constant.
1186 (size_of_pubnames): Add parameter to deal with either pubnames or
1187 pubtypes, and change code to deal with table being a vector.
1188 (add_pubname): Change to deal with table being a vector.
1189 (add_pubtype): New function.
1190 (output_pubnames): Add parameter to deal with either pubnames or
1191 pubtypes, and change code to deal with table being a vector.
1192 (gen_array_type_die): Add call to add_pubtype.
1193 (gen_enumeration_type_die): Add call to add_pubtype.
1194 (gen_struct_or_union_type_die): Add call to add_pubtype.
1195 (gen_subroutine_type_die): Add call to add_pubtype.
1196 (gen_typedef_die): Add call to add_pubtype.
1197 (dwarf2out_init): Add code to initialize pubname_table and
1198 pubtype_table vectors; also initialize debug_pubtypes_section.
1199 (prune_unused_types): Change to deal with pubnames being a vector.
1200 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1201 pubnames table to call to output_pubnames; Add code to output pubtypes
1202 table if DEBUG_PUBTYPES_SECTION is defined.
1203 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1205 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1207 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1209 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1210 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1211 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1212 movv2si_internal): Support moves between core registers.
1214 2006-11-14 Eric Christopher <echristo@apple.com>
1216 * configure: Regenerate with autoconf 2.59.
1218 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1220 Fix PR tree-optimization/27755
1222 * tree-ssa-pre.c: Update comments.
1223 (bb_bitmap_sets): Add pa_in and deferred member.
1224 (BB_DEFERRED): New macro.
1225 (maximal_set): New variable.
1226 (pre_stats): Add pa_insert member.
1227 (bitmap_set_and): Short circuit orig == dest.
1228 (bitmap_set_subtract_values): New function.
1229 (bitmap_set_contains_expr): Ditto.
1230 (translate_vuses_through_block): Add phiblock argument.
1231 (dependent_clean): New function.
1232 (compute_antic_aux): Update for maximal_set changes.
1233 (compute_partial_antic_aux): New function.
1234 (compute_antic): Handle partial anticipation.
1235 (do_partial_partial_insertion): New function.
1236 (insert_aux): Handle partial anticipation.
1237 (add_to_sets): Add to maximal set.
1238 (compute_avail): Ditto.
1239 (init_pre): Initialize maximal_set.
1240 (execute_pre): Do partial anticipation if -O3+.
1242 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1244 PR rtl-optimization/29798
1246 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1247 TARGET_INSN before any other check.
1248 (fwprop_init): Always calculate dominators.
1249 (fwprop_done): Always free them.
1251 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1253 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1256 2006-11-13 DJ Delorie <dj@redhat.com>
1258 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1259 temporary for intermediates.
1261 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1263 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1264 (sh_optimize_target_register_callee_saved): #if 0 the code
1265 using NOTE_INSN_LOOP_{BEG,END}.
1267 2006-11-13 Roger Sayle <roger@eyesopen.com>
1269 * fold-const.c (optimize_bit_field_compare): Recursively call
1270 fold when simplifying non-constant comparisons between bit-fields.
1272 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1274 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1276 * configure: Rebuilt.
1278 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1280 * config/rs6000/cell.md: New file.
1281 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1283 (ppccell_cost): New cost matrix.
1284 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1285 (rs6000_override_options): Set rs6000_always_hint to false
1286 for cell. Also align functions/lables/loops to 8byte
1287 for the Cell. Use PROCESSOR_CELL.
1288 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1289 using_mtcr_multiple.
1290 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1291 on the Cell, return 0.
1292 (rs6000_adjust_cost): Add Cell cost adjustments.
1293 (is_microcoded_insn): Return true for Cell microcoded
1295 (is_nonpipeline_insn): New function.
1296 (rs6000_issue_rate): Add PROCESSOR_CELL.
1297 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1299 (rs6000_use_sched_lookahead_guard): New function.
1300 (rs6000_sched_reorder): Reorder the ready list, if the second
1301 to last ready insn is a nonepipeline insn on the Cell.
1302 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1303 (ASM_CPU_SPEC): Add Cell.
1304 * config/rs6000/rs6000.md (cpu): Add Cell.
1305 (cell_micro): New Attr.
1308 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1310 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1312 * configure: Rebuilt.
1314 2006-11-13 Richard Guenther <rguenther@suse.de>
1316 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1318 (ix86_expand_lfloorceil): Likewise.
1319 (ix86_expand_rint): Likewise.
1320 (ix86_expand_floorceildf_32): Likewise.
1321 (ix86_expand_floorceil): Likewise.
1322 (ix86_expand_rounddf_32): Likewise.
1323 (ix86_expand_truncdf_32): Likewise.
1324 (ix86_expand_round): Likewise.
1326 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1327 Mark Mitchell <mark@codesourcery.com>
1329 * gcc.c: Organize search path variables into $prefix relative,
1330 and well-known native. Add comments.
1331 (add_sysrooted_prefix): Add comment.
1332 (process_command): If !gcc_exec_prefix add $prefix based paths.
1333 If *cross_compile == '0', add native well-known paths.
1334 Assert tooldir_base_prefix is always relative.
1335 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1336 use this value for 'install:' path.
1337 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1339 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1341 * config/i386/i386.c: Fix a typo in comment.
1343 2006-11-13 Michael Matz <matz@suse.de>
1345 * genemit.c (gen_expand): Allocate enough memory.
1347 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1349 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1350 __GXX_TYPEINFO_EQUALITY_INLINE but not
1351 __GXX_MERGED_TYPEINFO_NAMES.
1352 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1353 __GXX_MERGED_TYPEINFO_NAMES.
1354 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1355 __GXX_TYPEINFO_EQUALITY_INLINE.
1357 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1358 Zdenek Dvorak <dvorakz@suse.cz>
1360 PR tree-optimization/29680
1361 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1364 2006-11-12 Jason Merrill <jason@redhat.com>
1365 Andrew Pinski <pinskia@physics.uc.edu>
1368 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1370 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1372 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1373 * tree.c (build_vector): Handle non-_CST elements.
1375 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1377 * genemit.c (gen_insn): Call gen_exp with a non-null used
1378 when handling multiple insns.
1379 (gen_expand): Likewise.
1380 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1381 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1382 (movsi_const_16bit+1): Copy operands[1].
1383 (call_pcrel): Copy the call_site pattern.
1384 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1386 2006-11-12 Roger Sayle <roger@eyesopen.com>
1388 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1389 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1390 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1391 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1393 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1395 Fix PR tree-optimization/29587
1396 * tree-ssa-structalias.c (process_constraint): Don't
1397 mark address taken due only to escaped vars constraint.
1399 2006-11-12 Michael Matz <matz@suse.de>
1400 Roger Sayle <roger@eyesopen.com>
1402 PR rtl-optimization/29797
1403 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1404 BITS_BIG_ENDIAN targets.
1406 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1408 * builtins.c (fold_builtin_cosh): New.
1409 (fold_builtin_1): Use it.
1410 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1411 trunc to the list of "odd" functions. Also add llrint, lrint,
1412 rint and nearbyint when flag_rounding_math is false.
1414 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1416 * tree-flow.h (name_mappings_registered_p): Declare.
1417 * tree-into-ssa.c (name_mappings_registered_p): New function.
1418 * tree-cfg.c (tree_can_merge_blocks_p): Check
1419 name_mappings_registered_p instead of need_ssa_update_p.
1421 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1423 * tree-ssa-loop.c (tree_vectorize): Return the result of
1425 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1426 if anything changed.
1427 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1428 * tree-flow.h (vectorize_loops): Declaration changed.
1430 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1432 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1434 (issue_prefetch_ref): Move assignment to write_p out of loop.
1435 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1436 SIMULTANEOUS_PREFETCHES into account.
1437 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1438 * lambda-code.c (lcm): Renamed to ...
1439 (least_common_multiple): ... and exported.
1440 * tree-flow.h (least_common_multiple): Declare.
1442 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1444 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1445 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1446 ud-chains. Handle AND_EXPR.
1447 (record_estimate): Record whether the estimate is realistic
1448 and whether it is derived from a loop exit.
1449 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1450 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1452 (compute_estimated_nb_iterations): Take only realistic bounds into
1453 account. Set estimate_state. Use double_ints.
1454 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1455 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1456 that do not have to be always executed.
1457 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1458 to determine whether to call infer_loop_bounds_from_undefined
1459 and compute_estimated_nb_iterations.
1460 (n_of_executions_at_most): Use double_ints.
1461 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1462 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1463 * double-int.c (double_int_to_tree): Improve comment.
1464 (double_int_fits_to_tree_p): New function.
1465 * double-int.h (double_int_fits_to_tree_p): Declare.
1466 * tree-data-ref.c: Include langhooks.h.
1467 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1468 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1469 (analyze_array): Do not pass estimate_only argument to
1470 analyze_array_indexes.
1471 (get_number_of_iters_for_loop): Build tree from the stored double_int
1473 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1474 (find_data_references_in_loop): Use find_data_references_in_stmt.
1475 * tree-data-ref.h (struct data_ref_loc_d): New.
1476 (get_references_in_stmt): Declare.
1477 (estimate_iters_using_array): Declaration removed.
1478 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1479 double_int. Improve comments. Add is_exit and realistic
1481 (struct loop): Changed type of estimated_nb_iterations to double_int.
1482 Added estimate_state field.
1483 (record_estimate): Declaration removed.
1485 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1487 * params.c (set_param_value): Initialize the "set" field.
1488 * params.h (struct param_info): Add "set" field.
1489 (PARAM_SET_P): New macro.
1490 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1491 L1_CACHE_LINE_SIZE): New macros.
1492 * toplev.c (DEFPARAM): Initialize the "set" field.
1493 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1494 SIMULTANEOUS_PREFETCHES): Removed.
1495 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1496 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1497 * config/sparc/sparc.c: Include params.h.
1498 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1499 L1_CACHE_LINE_SIZE parameters.
1500 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1502 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1504 * config/i386/i386.c: Include params.h.
1505 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1506 (override_options): Set SIMULTANEOUS_PREFETCHES and
1507 L1_CACHE_LINE_SIZE parameters.
1508 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1509 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1510 L1_CACHE_LINE_SIZE parameters.
1511 * config/ia64/ia64.c (ia64_optimization_options): Set
1512 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1513 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1515 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1516 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1517 * doc/invoke.texi: Document new params.
1519 2006-11-12 Roger Sayle <roger@eyesopen.com>
1521 PR tree-optimization/13827
1522 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1525 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1527 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1528 update_single_exit_for_duplicated_loops): New functions.
1529 (duplicate_loop_to_header_edge): Use
1530 update_single_exit_for_duplicated_loops.
1531 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1532 functions only with ENABLE_CHECKING.
1534 2006-11-12 Andreas Schwab <schwab@suse.de>
1536 * except.c (sjlj_emit_function_enter): Remove unused variable.
1538 2006-11-11 Roger Sayle <roger@eyesopen.com>
1540 * fold-const.c (int_binop_types_match_p): New function.
1541 (size_binop): Relax constraint that both arguments must both have
1542 exactly the same sizetype type. Instead use int_binop_types_match_p.
1543 (size_diffop): Likewise.
1545 (make_range): Use build_int_cst instead of fold_convert.
1546 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1547 integer constants of the correct type.
1548 (fold_div_compare): Likewise.
1549 (fold_single_bit_test): Likewise.
1550 (fold_binary): Likewise.
1551 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1552 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1554 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1557 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1558 non null value if the struct memory access is in the 0th
1561 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1564 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1565 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1568 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1569 instead of builtin_define for bfin and BFIN.
1571 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1573 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1576 2006-11-11 Jan Hubicka <jh@suse.cz>
1578 * extend.texi (__builtin_expect): We no longer require second argument
1580 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1581 * builtins.c (expand_builtin_expect): Simplify.
1582 (expand_builtin_expect_jump): Kill.
1583 * final.c (final_scan_insn): Do not skip the removed notes.
1584 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1585 EXPECTED_VALUE): Remove.
1586 * dojump.c (do_jump): Do not care about __builtin_expect.
1587 * predict.c (expected_value_to_br_prob): Kill.
1588 * function.c (expand_function_end): Do not expand
1589 NOTE_INSN_REPEATED_LINE_NUMBER.
1590 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1591 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1592 * cfgexpand.c (add_reg_br_prob_note): Export.
1593 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1594 expected_value_to_br_prob.
1595 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1596 * rtl.h (add_reg_br_prob_note): Declare.
1598 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1600 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1602 2006-11-11 Jan Hubicka <jh@suse.cz>
1604 * predict.c (predict_loops): Kill RTL variant.
1606 2006-11-11 Jan Hubicka <jh@suse.cz>
1608 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1609 * modulo-sched.c (find_line_note): Remove.
1610 (loop_canon_p): Do not worry about line number notes.
1611 (sms_schedule): Likewise.
1612 * cse.c (cse_main): Likewise.
1613 * regmove.c (fixup_match_1): Likewise
1614 * function.c (emit_return_info_block): Likewise.
1615 (expand_function_end): Likewise.
1616 (thread_prologue_an_epilogue_insns): Likewise.
1617 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1619 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1620 emit_note_copy_after): Kill.
1621 (emit_note_copy): Do not worry about line numbers.
1622 * jump.c (purge_line_number_notes): Kill.
1623 (pass_purge_lineno_notes): Kill.
1624 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1626 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1627 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1628 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1629 * tree-pass.h (pass_purge_lineno_notes): Kill.
1630 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1631 rm_redundant_line_notes.
1632 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1633 rm_redundant_line_notes.
1634 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1635 * haifa-sched.c: Update comment about handling notes.
1636 (unlink_line_notes): Kill.
1637 (rm_line_notes): Kill.
1638 (save_line_notes): Simplify.
1639 (rm_redundant_line_notes): Kill.
1641 2006-11-11 Richard Guenther <rguenther@suse.de>
1643 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1644 Remove unused tree codes.
1645 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1646 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1647 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1648 * tree.c (stabilize_reference): Likewise.
1649 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1650 fold_unary): Likewise.
1651 * tree-gimple.c (is_gimple_cast): Likewise.
1652 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1653 * expr.c (expand_expr_real_1): Likewise.
1654 * tree-eh.c (tree_could_trap_p): Likewise.
1655 * gimplify.c (gimplify_expr): Likewise.
1656 * tree-inline.c (estimate_num_insns_1): Likewise.
1657 * tree-cfg.c (verify_expr): Likewise.
1659 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1661 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1662 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1663 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1665 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1668 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1669 constraints accept neither registers or memories.
1671 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1673 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1674 (NO_PROFILE_COUNTERS): Define as 1.
1676 2006-11-10 Roger Sayle <roger@eyesopen.com>
1678 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1679 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1681 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1683 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1685 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1688 (fold_builtin_hypot): Likewise.
1689 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1691 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1693 2006-11-10 Roger Sayle <roger@eyesopen.com>
1695 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1696 when attempting to build INTEGER_CSTs of non-integral types.
1697 * expmed.c (make_tree): Use the correct type, i.e. the inner
1698 type, when constructing the individual elements of a CONST_VECTOR.
1700 2006-11-10 Jan Hubicka <jh@suse.cz>
1702 * cse.c (cse_process_notes): Copy the propagated value.
1703 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1705 * gcse.c (try_replace_reg): Copy the replacement.
1706 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1707 (assign_386_stack_local): Always return copied memory expression
1708 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1711 2006-11-10 Jan Hubicka <jh@suse.cz>
1713 * final.c (final): Walk from first instruction.
1714 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1716 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1719 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1721 (umulv8hi3_highpart): Ditto.
1722 (vec_widen_smult_hi_v8hi): New expander.
1723 (vec_widen_smult_lo_v8hi): Ditto.
1725 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1728 * builtins.c (do_mpfr_arg3): New.
1729 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1731 2006-11-09 Eric Christopher <echristo@apple.com>
1736 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1737 * config.gcc (powerpc64-*-darwin*): New target.
1738 * config.host: Ditto.
1739 * config/rs6000/darwin64.h: New file.
1740 * config/rs6000/x-darwin64: Ditto.
1741 * config/rs6000/host-ppc64-darwin.c: Ditto.
1743 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1745 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1746 routines for integer division.
1748 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1750 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1752 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1755 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1757 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1759 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1760 simplify_subreg with BLKmode outer mode.
1762 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1764 * doc/invoke.texi: Minor formatting fixes in option lists.
1766 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1768 PR tree-optimization/29738
1769 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1770 (ccp_lattice_t): Remove UNKNOWN_VAL.
1771 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1772 Do not handle UNKNOWN_VAL.
1773 (get_default_value): Set initial value of virtual operands to
1775 (get_value): Always use get_default_value on uninitialized
1777 (set_value_varying, surely_varying_stmt_p): New functions.
1778 (set_lattice_value): Do not pass argument to get_value.
1779 Do not handle UNKNOWN_VAL.
1780 (likely_value): Follow the semantics described in the comment.
1781 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1782 phi nodes DONT_SIMULATE_AGAIN.
1783 (ccp_fold): Do not pass argument to get_value.
1784 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1787 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1789 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1790 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1792 2006-11-08 Roger Sayle <roger@eyesopen.com>
1794 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1795 test for inclusion rather than as a test for exclusion.
1796 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1797 the condition after calling fold_binary.
1798 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1799 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1800 * builtins.c (fold_builtin_isascii): Likewise.
1801 (fold_builtin_isdigit): Likewise.
1803 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1805 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1806 * configure: Regenerate.
1808 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1810 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1811 enum argument instead of bool.
1812 (vect_analyze_operations): Call vectorizable_type_promotion.
1813 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1814 stmt_vec_info_type value.
1815 (supportable_widening_operation, vectorizable_type_promotion): New
1816 function declarations.
1817 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1818 (vectorizable_type_promotion): New function.
1819 (vect_transform_stmt): Call vectorizable_type_promotion.
1820 * tree-vect-analyze.c (supportable_widening_operation): New function.
1821 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1823 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1826 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1827 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1828 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1830 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1831 * expr.c (expand_expr_real_1): Likewise.
1832 * optabs.c (optab_for_tree_code): Likewise.
1833 (init_optabs): Initialize new optabs.
1834 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1835 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1836 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1837 vec_unpacku_lo_optab): Initialize new optabs.
1838 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1839 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1840 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1842 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1843 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1844 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1845 (vec_unpacku_lo_optab): New optabs.
1846 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1847 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1848 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1849 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1850 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1851 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1853 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1854 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1855 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1856 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1857 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1858 implement the unsigned unpacking patterns.
1859 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1860 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1861 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1862 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1863 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1864 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1865 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1866 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1867 multiplication patterns.
1869 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1870 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1871 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1872 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1873 (rs6000_builtin_mul_widen_odd): New.
1874 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1875 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1876 * tree-vectorizer.h (enum vect_relevant): New enum type.
1877 (_stmt_vec_info): Field relevant chaned from bool to enum
1879 (STMT_VINFO_RELEVANT_P): Updated.
1880 (STMT_VINFO_RELEVANT): New.
1881 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1882 instead of STMT_VINFO_RELEVANT_P.
1883 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1884 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1885 and boolean variable with enum vect_relevant.
1886 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1887 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1888 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1890 2006-11-08 Richard Henderson <rth@redhat.com>
1892 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1893 vec_widen_umult_lo_v8hi): New.
1894 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1895 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1897 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1898 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1899 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1900 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1901 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1902 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1903 vec_unpacks_lo_v4si): New.
1905 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1907 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1908 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1909 (vect_analyze_operations): Call vectorizable_type_demotion.
1910 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1911 stmt_vec_info_type value.
1912 (vectorizable_type_demotion): New function declaration.
1913 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1916 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1917 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1919 * tree-iniline.c (estimate_num_insns_1): Likewise.
1920 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1921 * optabs.c (optab_for_tree_code): Likewise.
1923 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1924 compared against the predicate of the result is not 'mode' (the input
1925 to the function) but a mode with half the size of 'mode'.
1926 (init_optab): Initialize new optabs.
1927 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1929 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1931 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1932 (vec_pack_usat_optab): Initialize new optabs.
1933 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1934 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1936 2006-11-08 Richard Henderson <rth@redehat.com>
1938 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1939 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1940 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1941 (vec_interleave_highv4si, vec_interleave_lowv4si):
1942 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1944 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1946 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1948 (vect_transform_stmt): Removed redundant code.
1950 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1952 * tree-vect-transform.c (vectorizable_operation): Support multiple
1955 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1957 * tree-vect-transform.c (vect_align_data_ref): Removed.
1958 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1959 Updated function documentation. Return the increment stmt in ptr_incr.
1960 (bump_vector_ptr): New function.
1961 (vect_get_vec_def_for_stmt_copy): New function.
1962 (vect_finish_stmt_generation): Create a stmt_info to newly created
1964 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1966 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1967 VF is greater than the number of elements that can fit in one vector
1969 (vectorizable_operation, vectorizable_condition): Likewise.
1970 (vectorizable_store, vectorizable_load): Support the case that the VF
1971 is greater than the number of elements that can fit in one vector word.
1972 (vect_transform_loop): Don't fail in case of multiple data-types.
1973 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1974 in case of multiple data-types; the smallest type determines the VF.
1975 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1976 if they are of different sizes.
1977 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1978 number of elements rather than number of bytes.
1979 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1980 (vect_can_advance_ivs_p): Fix a dump printout
1982 2006-11-07 Eric Christopher <echristo@apple.com>
1984 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1985 (__bswapsi2): Ditto.
1986 * libgcc2.h: Remove transformation of bswap routines.
1987 * config/i386/i386.md (bswapsi2): New.
1990 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1992 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1993 (handle_gnu_inline_attribute): New function.
1994 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1995 (merge_decls, start_decl, start_function): Likewise.
1996 * doc/extend.texi: Document gnu_inline attribute.
1998 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2001 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2002 _fixunstfdi, and _floatditf
2004 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2006 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2008 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2009 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2010 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2011 which start in an odd register.
2013 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2015 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2017 2006-11-07 Josh Conner <jconner@apple.com>
2019 * doc/invoke.texi (fstrict-aliasing): Move implementation
2021 * doc/tree-ssa.texi (Alias analysis): ...here.
2023 2006-11-07 Richard Guenther <rguenther@suse.de>
2025 PR tree-optimization/29610
2026 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2027 of tree_purge_dead_eh_edges as it may free dominators.
2029 * g++.dg/other/pr29610.C: New testcase.
2031 2006-11-07 David Ung <davidu@mips.com>
2033 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2034 costs when optimizing for size.
2035 (override_options): Use mips_rtx_cost_optimize_size table for cost
2038 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2040 * gcc.c (process_command): Treat -b as normal switch if its argument
2043 2006-11-07 David Ung <davidu@mips.com>
2045 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2048 2006-11-06 Eric Christopher <echristo@apple.com>
2050 * config.gcc: Add x86_64-darwin host support.
2051 * config.host: Ditto.
2052 * config/i386/darwin64.h: New file.
2053 * config/i386/t-darwin64: Ditto.
2055 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2057 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2058 and output-exists-not.
2060 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2063 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2064 checking for overflow.
2066 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2068 * configure.ac: Fixed typo in case statement: :: changed to ;;
2070 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2072 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2073 count_leading_zeros, and count_trailing_zeros.
2074 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2075 (TARGET_FOLD_BUILTIN): Define.
2076 (TARGET_EXPAND_BUILTIN): Define.
2077 (xtensa_init_builtins): New.
2078 (xtensa_fold_builtin): New.
2079 (xtensa_expand_builtin): New.
2080 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2081 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2082 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2083 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2084 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2085 (any_extend): New code macro.
2086 (u, su): New code attributes.
2087 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2088 (nsau): Remove; replaced by clzsi2.
2089 (ffssi2): Use clzsi2.
2090 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2091 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2092 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2093 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2094 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2096 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2098 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2100 * config/arm/t-strongarm-elf: Likewise.
2101 * config/arm/t-pe: Likewise.
2102 * config/arm/t-arm-elf: Likewise.
2103 * config/arm/t-xscale-elf: Likewise.
2104 * config/arm/t-arm-coff: Likewise.
2105 * config/arm/t-xscale-coff: Likewise.
2106 * config/arm/t-wince-pe: Likewise.
2108 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2110 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2113 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2116 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2119 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2122 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2123 as a valid 80387 constant.
2124 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2125 * config/i386/i386.md (unnamed splitter): Split the load of
2126 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2129 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2131 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2132 from the soft-frame, argument and virtual registers.
2134 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2136 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2137 patterns for standard 80387 constants.
2139 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2140 Steven Bosscher <steven@gcc.gnu.org>
2142 * fwprop.c: New file.
2143 * Makefile.in: Add fwprop.o.
2144 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2145 * passes.c (init_optimization_passes): Schedule forward propagation.
2146 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2148 * timevar.def (TV_FWPROP): New.
2149 * common.opt (-fforward-propagate): New.
2150 * opts.c (decode_options): Enable forward propagation at -O2.
2151 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2152 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2153 canon_for_address, table_size): Remove.
2154 (new_basic_block, insert, remove_from_table): Remove references to
2156 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2157 simplification loop more straightforward by not calling fold_rtx
2159 (equiv_constant): Move here a small part of fold_rtx_subreg,
2160 do not call fold_rtx. Call avoid_constant_pool_reference
2162 * recog.h (canonicalize_change_group): New.
2164 * doc/invoke.texi (Optimization Options): Document fwprop.
2165 * doc/passes.texi (RTL passes): Document fwprop.
2167 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2169 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2170 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2171 (grokdeclarator): Likewise.
2173 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2175 * tree-dump.c (dump_enable_all): Rename local variable
2176 ir_type to avoid name conflicts.
2177 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2178 instead of using ir_type().
2179 * profile.c (tree_register_profile_hooks): Likewise.
2180 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2181 * basic-block.h (struct edge_def): Likewise.
2182 * config/arm/arm.c (legitimize_pic_address): Likewise.
2183 * coretypes.h (ir_type): New enum of all intermediate languages
2185 * cfghooks.c (ir_type): Rename to...
2186 (current_ir_type): ...this. Distinguish between cfgrtl and
2187 cfglayout mode when the current IR is RTL. Return enum ir_type.
2188 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2190 2006-11-03 Paul Brook <paul@codesourcery.com>
2192 * config/arm/arm.c (arm_file_start): New function.
2193 (TARGET_ASM_FILE_START): Define.
2194 (arm_default_cpu): New variable.
2195 (arm_override_options): Set arm_default_cpu.
2197 2006-11-03 David Ung <davidu@mips.com>
2199 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2200 PROCESSOR_24KC and PROCESSOR_24KF.
2201 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2202 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2203 (mips_rtx_cost_data): Add costs for the 24kc.
2204 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2205 * config/mips/24k.md: Remove references to 24k and replace with
2206 uses of 24kc/24kf in the appropriate reservations.
2207 * doc/invoke.texi (MIPS Options): Updated.
2209 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2211 * config/sh/crt1.asm: Fix #ifdef indent.
2213 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2214 Merged from STMicroelectronics sources:
2215 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2216 * config/sh/crt1.asm (vbr_600): Add missing #if.
2217 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2218 * sh.opt (mfused-madd): New option.
2219 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2220 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2221 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2222 Remove pointless handler at VBR+0.
2223 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2224 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2225 fr7. Make sure the timer handler is called with the correct FPU
2226 precision setting, according to the ABI.
2227 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2228 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2229 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2230 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2231 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2232 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2233 zero as second operand.
2234 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2235 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2236 Fixed some bugs related to negative values, in particular -0
2237 and overflow at -0x80000000.
2238 * config/sh/divcost-analysis: Added sh4-300 figures.
2239 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2240 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2241 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2242 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2243 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2244 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2246 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2248 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2249 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2250 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2251 mac_mem, mem_mac, dfp_mul, fp_cmp.
2252 (insn_class, dfp_comp, any_fp_comp): Update.
2253 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2254 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2255 (muldf3_i): Likewise.
2256 (movsi_i): Split rI08 alternative into two separate alternatives.
2258 (movsi_ie, movsi_i_lowpart): Likewise.
2259 (movqi_i): Split ri alternative into two separate alternatives.
2261 * sh1.md (sh1_load_store, sh1_fp): Update.
2262 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2263 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2264 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2265 (sh4a_fp_double_arith): Likewise.
2266 * sh4-300.md: New file.
2267 * sh.c (sh_handle_option): Handle m4-300* options.
2268 (sh_adjust_cost): Fix latency of auto-increments.
2269 Handle SH4-300 differently than other SH4s. Check for new insn types.
2270 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2271 been set by an option.
2272 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2273 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2274 (mbranch-cost=): Likewise.
2275 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2277 * sh.md (mulsf3): Remove special expansion code.
2278 (mulsf3_ie): Now a define_insn_and_split.
2279 (macsf3): Allow for TARGET_SH4.
2281 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2282 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2283 (expand_cbranchdi4): Likewise.
2284 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2285 CONST_DOUBLE if the outer code is COMPARE.
2286 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2287 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2288 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2289 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2290 Remove redundant fp_{zero,one}_operand checks.
2291 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2292 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2293 (expand_cbranchdi4): Likewise.
2294 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2295 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2297 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2299 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2302 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2304 * doc/invoke.texi: Fix mfp-trap-mode typo.
2306 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2308 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2309 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2310 file_end_indicate_exec_stack.
2311 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2313 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2314 for a non-executable stack.
2315 * crti.asm: Likewise.
2316 * crtn.asm: Likewise.
2317 * libunwind.S: Likewise.
2319 2006-11-02 Ben Elliston <bje@au.ibm.com>
2321 * tree-ssa.c (warn_uninit): Use expand_location variables for
2322 locus and declaration locus.
2324 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2327 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2328 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2329 cmp{eq,gt,gtu}{si,di}_media.
2330 (*cmpne0si_media): Remove.
2331 (*movsicc_umin): Adjust gen_cmp*_media call.
2332 (unordered): Change the mode of unordered and operands[1] to
2334 (seq): Adjust gen_cmp*_media calls. Make the mode of
2335 a temporary result of compare SImode if needed. If the mode
2336 of operands[0] is DImode, extend the temporary result to DImode.
2337 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2338 (sunorderd): Change the mode of match_operand and unorderd to
2340 (cmpeq{sf,df}_media): Remove.
2341 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2342 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2343 and compare operation to SImode.
2345 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2347 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2349 (sparc64-sun-solaris2*): Likewise.
2351 2006-11-02 Paul Brook <paul@codesourcery.com>
2353 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2354 from priority argument. Use different section for non-default
2356 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2358 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2361 * except.c (switch_to_exception_section): Do not cache the section
2362 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2363 and flag_function_sections is set.
2365 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2368 * builtins.c (do_mpfr_sincos): New.
2369 (fold_builtin_1): Use it to fold builtin sincos.
2371 2006-11-01 Roger Sayle <roger@eyesopen.com>
2373 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2374 it into -D_REENTRANT.
2376 2006-11-01 Roger Sayle <roger@eyesopen.com>
2378 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2379 whether the assembler supports taking the difference of symbols in
2380 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2381 * configure: Regenerate.
2382 * config.in: Regenerate.
2383 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2384 the assembler doesn't support taking the difference of symbols in
2385 different sections, i.e. we're using the native solaris assembler.
2387 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2388 Peter Bergner <bergner@vnet.ibm.com>
2390 * doc/invoke.texi: Add cpu_type power6x
2391 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2392 * config.gcc: Add cpu_type power6x.
2393 * configure.ac: Add test for mf{t,f}gpr instructions.
2394 (HAVE_AS_MFPGPR): New.
2395 * config.in: Regenerate.
2396 * configure: Regenerate.
2397 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2398 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2399 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2400 and mftgpr attributes.
2401 (define_attr "cpu"): Add power6.
2402 Change instruction sequences to use new attributes.
2403 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2404 (fix_truncdfsi2_mfpgpr): New.
2405 (floatsidf_ppc64_mfpgpr): New.
2406 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2407 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2408 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2409 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2410 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2411 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2412 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2413 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2414 cntlz,exts and var_delayed_compare.
2415 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2416 _ARCH_PWR6X, if features enabled.
2417 * config/rs6000/rs6000.opt (mmfpgpr): New.
2418 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2419 (cached_can_issue_more): New variable.
2420 (processor_costs): Add power6_cost.
2421 (rs6000_sched_init): New function.
2422 (is_dispatch_slot_restricted): Deleted.
2423 (set_to_load_agen): New function.
2424 (is_load_insn,is_store_insn): New functions.
2425 (adjacent_mem_locations): New function.
2426 (insn_must_be_first_in_group): New function.
2427 (insn_must_be_last_in_group): New function.
2428 (rs6000_sched_reorder): New function.
2429 (rs6000_sched_reorder2): New function.
2430 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2431 TARGET_SCHED_REORDER2): Define.
2432 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2433 Add power6x. Add MASK_MFPGPR for power6x.
2434 (POWERPC_MASKS): Add MASK_MFPGPR.
2435 (rs6000_override_options): Set rs6000_always_hint to false
2436 for power6. Set rs6000_align_branch_targets. Replace
2437 rs6000_sched_groups check with rs6000_align_branch_targets.
2438 Use PROCESSOR_POWER6.
2439 (last_scheduled_insn): New variable.
2440 (load_store_pendulum): New variable.
2441 (rs6000_variable_issue): Set last_scheduled_insn and
2442 cached_can_issue_more.
2443 (rs6000_adjust_cost): Add power6 cost adjustments.
2444 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2445 with insn_must_be_first_in_group. Add power6 priority adjustments.
2446 (rs6000_issue_rate): Add CPU_POWER6.
2447 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2448 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2449 (TARGET_MFPGPR): New.
2450 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2451 (ASM_CPU_SPEC): Add power6x.
2452 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2454 * config/rs6000/power6.md: New file.
2456 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2458 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2459 HOST_WIDE_INT_PRINT to print high and low parts. Use
2460 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2461 printing a hexadecimal number prefix it with 0x.
2463 2006-11-01 Chris Johns <chris@contemporary.net.au>
2466 * Makefile.in (install-driver): Use exeext when installing
2467 $target-gcc-$version.
2469 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2471 * c-common.c (flag_cpp0x): New.
2472 * c-common.h (flag_cpp0x): New.
2473 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2474 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2475 * c-opts.c (set_std_cxx0x): New.
2476 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2477 * c.opt (std=c++0x): Document.
2478 (std=gnu++0x): Ditto.
2479 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2480 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2482 2006-11-01 Richard Guenther <rguenther@suse.de>
2484 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2486 (ix86_expand_floorceildf_32): Likewise.
2487 (ix86_expand_floorceil): Likewise.
2488 (ix86_expand_trunc): Likewise.
2490 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2492 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2495 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2497 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2499 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2501 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2503 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2504 * configure.ac (use_cxa_atexit): As a special case, don't test
2505 for libc definition of __cxa_atexit on mingw32
2506 * configure: Regenerate.
2507 * config.gcc (i[34567]86-pc-mingw32): Default to
2508 enable__cxa_atexit=yes.
2510 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2514 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2517 * c-decl.c (start_struct): Don't create self-containing
2519 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2521 * config/rs6000/rs6000-protos.h
2522 (darwin_rs6000_special_round_type_align): New.
2523 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2524 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2526 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2528 * toplev.c (compile_file): Call final_write_globals
2529 even if there have been errors.
2531 2006-10-31 Eric Christopher <echristo@apple.com>
2532 Falk Hueffner <falk@debian.org>
2534 * doc/extend.texi (__builtin_bswap32): Document.
2535 (__builtin_bswap64): Ditto.
2536 * doc/libgcc.texi (bswapsi2): Document.
2538 * doc/rtl.texi (bswap): Document.
2539 * optabs.c (expand_unop): Don't widen a bswap.
2540 (init_optabs): Init bswap. Set libfuncs explicitly
2541 for bswapsi2 and bswapdi2.
2542 * optabs.h (OTI_bswap): New.
2543 (bswap_optab): Ditto.
2544 * genopinit.c (optabs): Handle bswap_optab.
2545 * tree.h (tree_index): Add TI_UINT32_TYPE and
2547 (uint32_type_node): New.
2548 (uint64_type_node): Ditto.
2549 * tree.c (build_common_tree_nodes_2): Initialize
2550 uint32_type_node and uint64_type_node.
2551 * builtins.c (expand_builtin_bswap): New.
2552 (expand_builtin): Call.
2553 (fold_builtin_bswap): New.
2554 (fold_builtin_1): Call.
2555 * fold-const.c (tree_expr_nonnegative_p): Return true
2557 * builtin-types.def (BT_UINT32): New.
2559 (BT_FN_UINT32_UINT32): Ditto.
2560 (BT_FN_UINT64_UINT64): Ditto.
2561 * builtins.def (BUILT_IN_BSWAP32): New.
2562 (BUILT_IN_BSWAP64): Ditto.
2563 * rtl.def (BSWAP): New.
2564 * genattrtab.c (check_attr_value): New.
2565 * libgcc2.c (__bswapSI2): New.
2566 (__bswapDI2): Ditto.
2567 * libgcc2.h (__bswapSI2): Declare.
2568 (__bswapDI2): Ditto.
2569 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2570 * simplify-rtx.c (simplify_const_unary_operation): Return
2572 * libgcc-std.ver (__bwapsi2): Add.
2573 (__bswapdi2): Ditto.
2574 * reload1.c (eliminate_regs_1): Add bswap.
2575 (elimination_effects): Ditto.
2576 * config/i386/i386.h (x86_bswap): New.
2577 (TARGET_BSWAP): Use.
2578 * config/i386/i386.c (x86_bswap): Set.
2580 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2582 * coverage.c (coverage_checksum_string): Update comment.
2583 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2584 of get_file_function_name.
2585 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2586 of get_file_function_name_long.
2587 * tree.c (get_file_function_name): Rename from
2588 get_file_function_name_long; improve comment; handle 'I' and 'D'
2589 specially when the target has ctor/dtor support; remove special
2591 (get_file_function_name): Remove.
2592 * tree.h (get_file_function_name): Rename from
2593 get_file_function_name_long.
2594 (get_file_function_name): Remove prototype.
2596 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2598 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2599 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2601 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2602 Call dsymutil when compiling and linking one or more source files
2605 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2608 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2610 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2612 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2613 inline static functions in c99 mode.
2616 * doc/extend.texi (Inline): Update.
2617 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2618 * c-decl.c (current_extern_inline): Delete.
2619 (pop_scope): Adjust test for an undefined nested function.
2620 Add warning about undeclared inline function.
2621 (diagnose_mismatched_decls): Update comments. Disallow overriding
2622 of inline functions in a translation unit in C99. Allow inline
2623 declarations in C99 at any time.
2624 (merge_decls): Boolize variables. Handle C99 'extern inline'
2626 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2627 C99 inline semantics.
2628 (start_function): Don't clear current_extern_inline. Don't set
2630 (c_push_function_context): Don't push current_extern_inline.
2631 (c_pop_function_context): Don't restore current_extern_inline.
2634 * c-typeck.c (build_external_ref): Warn about static variables
2635 used in extern inline functions.
2636 * c-decl.c (start_decl): Warn about static variables declared
2637 in extern inline functions.
2639 2006-10-31 Roger Sayle <roger@eyesopen.com>
2642 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2643 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2644 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2645 or y is an even integer.
2647 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2650 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2651 * gthr-posix95.h (__gthread_active_p): Likewise.
2653 2006-10-31 Richard Guenther <rguenther@suse.de>
2655 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2656 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2657 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2658 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2659 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2660 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2661 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2662 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2665 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2667 * opts.c (decode_options): Disable CSE skip blocks.
2669 2006-10-30 Dirk Mueller <dmueller@suse.de>
2671 * c-common.h (strict_aliasing_warning): Fix whitespace.
2672 * c-decl (start_function): Move code for main decl warning ..
2673 * c-common.c (check_main_parameter_types): .. here.
2674 * c-common.h (check_main_parameter_types): Declare.
2676 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2681 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2683 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2684 be a PARALLEL containing sets. Return false when out_pat is not
2687 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2689 * config/mips/mips.md (mul<mode>3): Split into...
2690 (mulsi3, muldi3): ...these separate patterns.
2692 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2694 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2695 but with each set of options separated by spaces.
2697 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2699 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2700 dwarf_reg_size_table has been initialized.
2702 2006-10-30 Roger Sayle <roger@eyesopen.com>
2704 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2705 * ddg.c (print_ddg_edge): Likewise.
2706 * dwarf2out.c (prune_unused_types_walk): Likewise.
2707 * ifcvt.c (noce_try_cmove_arith): Likewise.
2708 * langhooks.c (add_builtin_function): Likewise.
2709 * reg-stack.c (subst_stack_regs_pat): Likewise.
2710 * tree.c (expanded_location): Likewise.
2711 * tree-dump.c (dequeue_and_dump): Likewise.
2713 2006-10-30 David Daney <ddaney@avtrex.com>
2715 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2717 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2719 PR tree-optimization/29637
2720 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2721 of the innertype is the innertype itself.
2723 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2725 * dwarf2out.c (file_name_acquire): Correct typo.
2727 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2729 * tree.h (tree_value_handle): Remove struct value_set declaration.
2730 Change value_set to bitmap_set.
2731 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2732 * tree-vn.c (get_value_handle): Made inline and moved to
2734 * tree-flow-inline.h: (has_stmt_ann): New function.
2735 * tree-ssa-pre.c (expressions): New variable.
2736 (next_expression_id): Ditto.
2737 (alloc_expression_id): New function.
2738 (struct value_set): Remove.
2739 (get_expression_id): New function.
2740 (get_or_alloc_expression_id): Ditto.
2741 (expression_for_id): Ditto.
2742 (clear_expression_ids): Ditto.
2743 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2744 (bb_value_sets): Renamed to bb_bitmap_sets.
2745 All value sets replaced with bitmap_sets.
2747 (BB_VISITED): New macro.
2748 (postorder): New variable.
2749 (add_to_value): Removed.
2750 (value_exists_in_set_bitmap): Ditto.
2751 (value_insert_into_set_bitmap): Ditto.
2754 (set_remove): Ditto.
2755 (set_contains_value): Ditto.
2756 (insert_into_set): Ditto.
2758 (find_leader): Ditto.
2759 (bitmap_set_subtract_from_value_set): Ditto.
2760 (value_insert_into_set): Ditto.
2761 (print_value_set): Ditto.
2762 (debug_value_set): Ditto.
2763 (constant_expr_p): New function.
2764 (bitmap_remove_from_set): Ditto.
2765 (bitmap_insert_into_set): Ditto.
2766 (bitmap_set_free): Ditto.
2767 (vh_compare): Ditto.
2768 (sorted_array_from_bitmap_set): Ditto.
2769 (bitmap_set_subtract): Ditto.
2770 (bitmap_set_equal): Ditto.
2771 (debug_bitmap_set): Ditto.
2772 (find_leader_in_sets): Ditto.
2773 (bitmap_set_replace_value): Modify for bitmapped sets.
2774 (phi_translate): Ditto.
2775 (phi_translate_set): Ditto.
2776 (bitmap_find_leader): Ditto.
2777 (valid_in_sets): Ditto.
2778 (union_contains_value): Ditto.
2780 (compute_antic_aux): Ditto. Mark changed blocks.
2781 (compute_antic): Ditto. Iterate in postorder and only over
2783 (compute_rvuse_and_antic_safe): Reuse postorder.
2784 (create_component_ref_by_pieces): Modify for bitmapped sets.
2785 (find_or_generate_expression): Ditto.
2786 (create_expression_by_pieces): Ditto.
2787 (insert_into_preds_of_block): Ditto.
2788 (changed_blocks): New variable.
2789 (do_regular_insertion): Broken out from insert_aux.
2790 (insert_aux): Modified for bitmapped sets.
2791 (find_existing_value_expr): New function.
2792 (create_value_expr_from): Use it.
2793 (insert_extra_phis): Removed.
2794 (print_bitmap_set): Renamed from bitmap_print_value_set.
2795 (compute_avail): Handle RETURN_EXPR.
2796 (init_pre): Modify for bitmapped sets.
2797 * tree-flow.h (has_stmt_ann): New function.
2799 2006-10-29 Roger Sayle <roger@eyesopen.com>
2801 * builtins.c (fold_builtin_floor): Check for the availability of
2802 the C99 trunc function before transforming floor into trunc.
2804 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * builtins.c (fold_builtin_hypot): Rearrange recursive
2807 transformation before others, and also do ABS_EXPR. When
2808 necessary, check flag_unsafe_math_optimizations. When necessary,
2811 2006-10-29 Roger Sayle <roger@eyesopen.com>
2813 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2814 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2815 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2816 Fold -X eq/ne -Y as X eq/ne Y.
2818 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2820 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2821 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2822 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2823 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2824 Use an inclusive test for "mult" rather than "mul".
2825 (rotr<mode>3): Depend on ISA_HAS_ROR.
2826 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2828 (GENERATE_MULT3_DI): Delete.
2829 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2830 (ISA_HAS_MUL3): New macro.
2831 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2832 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2833 (ISA_HAS_CLZ_CLO): Likewise.
2834 (ISA_HAS_DCLZ_DCLO): Delete.
2835 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2836 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2837 the VR4120 and VR4130.
2838 (ISA_HAS_MACCHI): Use consistent formatting.
2839 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2840 (ISA_HAS_ROR): ...this new macro.
2841 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2842 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2843 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2845 2006-10-29 Roger Sayle <roger@eyesopen.com>
2847 PR tree-optimization/15458
2848 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2851 2006-10-29 Richard Guenther <rguenther@suse.de>
2853 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2854 (ix86_expand_truncdf_32): Likewise.
2855 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2856 trunc inline for SSE math and -fno-trapping-math and if not
2857 optimizing for size.
2858 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2859 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2860 for expanding btrunc inline for SSE math.
2862 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2864 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2865 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2866 i[34567]86-*-solaris2.1[0-9]*.
2867 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2868 Define conditionally depending on TARGET_64BIT_DEFAULT.
2869 (SPEC_32, SPEC_64): Define.
2870 (LINK_SPEC): Use them.
2871 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2873 2006-10-29 Richard Guenther <rguenther@suse.de>
2875 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2876 (ix86_expand_rounddf_32): Likewise.
2877 * config/i386/i386.c (ix86_expand_round): New function expanding
2878 round inline for SSE math and -fno-trapping-math and if not
2879 optimizing for size.
2880 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2881 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2882 round via ix86_expand_round.
2884 2006-10-29 Richard Guenther <rguenther@suse.de>
2886 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2887 (ix86_expand_floorceildf_32): Likewise.
2888 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2889 static helper function.
2890 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2892 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2893 * config/i386/i386.md (floordf2): Adjust to enable floor
2894 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2895 -fno-trapping-math is enabled and if not optimizing for size.
2896 (floorsf2, ceildf2, ceilsf2): Likewise.
2897 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2898 (sse2_maskcmpdf3): Likewise.
2900 2006-10-29 Richard Guenther <rguenther@suse.de>
2902 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2903 rint in case -fno-trapping-math is enabled.
2904 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2905 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2906 (ix86_expand_sse_fabs): Likewise.
2907 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2908 * config/i386/i386.md (rintdf2): Enable for SSE math if
2909 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2910 (rintsf2): Likewise.
2912 2006-10-29 Richard Guenther <rguenther@suse.de>
2914 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2915 to conversion optabs.
2916 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2917 as conversion optab.
2918 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2919 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2920 (lfloor_optab, lceil_optab): Adjust defines.
2921 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2922 lfloor and lceil optabs now being conversion optabs.
2923 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2924 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2925 New static helper function.
2926 (ix86_expand_lfloorceil): New function to expand lfloor and
2928 * config/i386/i386.md (lfloor<mode>2): Split into ...
2929 (lfloorxf<mode>2): ... x87 variant
2930 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2931 using ix86_expand_lfloorceil.
2932 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2934 * doc/md.texi (lfloorMN, lceilMN): Document.
2936 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2938 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2939 -mno-shared assembler option on mips targets.
2940 * configure, config.in: Regenerate.
2941 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2942 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2943 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2945 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2947 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2948 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2950 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2952 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2953 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2956 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2959 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2960 (fold_builtin_pow): Evaluate constant arguments at compile-time
2962 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2963 (do_mpfr_ckconv): New helper function.
2964 (do_mpfr_arg1): Use do_mpfr_ckconv.
2965 (do_mpfr_arg2): New.
2967 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2970 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2971 (-fdump-rtl-sched): Rename to ..
2972 (-fdump-rtl-sched1): here. Also fix file extension number.
2974 2006-10-28 Richard Guenther <rguenther@suse.de>
2976 * fold-const.c (maybe_canonicalize_comparison): Fix code
2979 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2981 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2982 (NON_QI_REG_P): Use IN_RANGE.
2983 (REX_INT_REGNO_P): Use IN_RANGE.
2984 (FP_REGNO_P): Use IN_RANGE.
2985 (SSE_REGNO_P): Use IN_RANGE.
2986 (REX_SSE_REGNO_P): Use IN_RANGE.
2987 (MMX_REGNO_P): Use IN_RANGE.
2988 (STACK_REGNO_P): New macro.
2989 (STACK_REG_P): Use STACK_REGNO_P.
2990 (NON_STACK_REG_P): Use STACK_REGNO_P.
2991 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2992 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2993 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2994 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2995 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2997 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2999 * except.h (output_function_exception_table): Add 'const char*' param.
3000 * except.c (switch_to_exception_section): Add 'const char*' param.
3001 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3002 and flag_function_sections is set, use a function-specific section.
3003 (output_function_exception_table): Add 'const char*' param.
3004 Adjust call to switch_to_exception_section.
3005 * final.c (rest_of_handle_final): Adjust calls to
3006 output_function_exception_table.
3007 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3008 * config.in: Regenerate.
3009 * configure: Likewise.
3011 2006-10-28 Richard Guenther <rguenther@suse.de>
3014 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3015 for maybe_canonicalize_comparison.
3016 (maybe_canonicalize_comparison): New function for canonicalizing
3018 (fold_comparison): Call it to canonicalize comparisons with
3021 2006-10-28 Richard Guenther <rguenther@suse.de>
3024 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3025 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3026 (expand_builtin): Adjust likewise.
3027 * genopinit.c (optabs[]): Add lround optab.
3028 * optabs.c (init_optabs): Initialize lround_optab.
3029 * optabs.h (enum convert_optab_index): Add COI_lround.
3030 (lround_optab): Define.
3031 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3032 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3034 (ix86_expand_lround): New function.
3035 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3037 * doc/md.texi (lroundMN2): Document.
3039 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3042 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3043 argument to HOST_WIDE_INT. Update function prototype.
3044 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3045 "size" argument to HOST_WIDE_INT. Update function prototype.
3047 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3049 * config/i386/i386.c (output_387_ffreep): Create output from a
3050 template string for !HAVE_AS_IX86_FFREEP.
3052 2006-10-27 Eric Christopher <echristo@apple.com>
3054 * config/darwin.c: Fix formatting and grammar.
3056 2006-10-27 Jan Hubicka <jh@suse.cz>
3058 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3059 to be thrown away soon when IGNORE is set.
3060 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3061 indicating when return value shall not be computed.
3062 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3064 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3066 * config/i386/i386.h (TARGET_GEODE):
3067 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3068 (TARGET_CPU_DEFAULT_geode): New macro.
3069 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3070 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3071 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3072 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3073 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3075 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3076 (processor_type): Add PROCESSOR_GEODE.
3078 * config/i386/i386.md: Include geode.md.
3081 * config/i386/i386.c (geode_cost): New initialized global
3083 (m_GEODE, m_K6_GEODE): New macros.
3084 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3085 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3086 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3087 x86_schedule): Use m_K6_GEODE instead of m_K6.
3088 (x86_movx, x86_cmove): Set up m_GEODE.
3089 (x86_integer_DFmode_moves): Clear m_GEODE.
3090 (processor_target_table): Add entry for geode.
3091 (processor_alias_table): Ditto.
3093 * config/i386/geode.md: New file.
3095 * doc/invoke.texi: Add entry about geode processor.
3097 2006-10-27 Mike Stump <mrs@apple.com>
3099 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3100 __DYNAMIC__ from here back to ...
3101 * config/darwin.h (CPP_SPEC): ... here.
3103 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3104 Nathan Sidwell <nathan@codesourcery.com>
3106 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3107 when choosing the minimum heapsize.
3109 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3111 * gcc/unwind-dw2.h: Move cfa-related variables into
3112 struct frame_state_reg_info to ensure that the CFA is properly
3113 handled when executing DW_CFA_{remember,restore}_state.
3114 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3115 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3116 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3117 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3118 gcc/config/rs6000/linux-unwind.h,
3119 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3120 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3121 Modify to use new cfa_* fields.
3123 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3125 * config/s390/s390.c (s390_init_frame_layout): Check positive
3128 2006-10-26 Ben Elliston <bje@au.ibm.com>
3130 * gimplify.c (get_name): Remove extraneous break.
3131 (gimplify_omp_for): Initialise ret with GS_OK.
3133 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3135 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3136 Add unix98.o to link line.
3138 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3142 Calculate compile-time constants using MPFR.
3143 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3144 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3146 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3148 * config/xtensa/lib2funcs.S: Use C-style comments.
3150 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3152 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3153 (file_table_relative_p): Likewise.
3154 (dwarf2out_finish): Likewise.
3155 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3157 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3159 * tree-ssa-structalias.c (intra_create_variable_infos):
3160 Don't recreate nonlocal_all if it already exists.
3162 2006-10-25 Richard Guenther <rguenther@suse.de>
3165 * optabs.h (enum optab_index): Remove OTI_lrint.
3166 (enum convert_optab_index): Add COI_lrint.
3167 (lrint_optab): Adjust.
3168 (expand_sfix_optab): Declare.
3169 * optabs.c (expand_sfix_optab): New function.
3170 (init_optabs): Init lrint_optab as conversion optab.
3171 * genopinit.c (lrint_optab): Change to a conversion optab.
3172 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3173 expansion via conversion optab.
3174 * config/i386/i386.md (*fistdi2_1): Remove
3175 flag_unsafe_math_optimizations guard.
3176 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3177 fist<mode>2_with_temp): Likewise.
3178 (lrint<mode>2): Split into...
3179 (lrintxf<mode>2): ... x87 part
3180 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3181 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3182 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3183 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3184 * doc/md.texi (lrintMN2): Document.
3186 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3189 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3190 Use inc and dec instructions for TARGET_USE_INCDEC.
3191 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3192 ("sync_double_compare_and_swap<mode>"): Likewise.
3193 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3194 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3195 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3196 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3197 ("sync_old_add<mode>"): Likewise.
3198 ("sync_lock_test_and_set<mode>"): Likewise.
3199 ("sync_lock_test_and_set<mode>"): Likewise.
3200 ("sync_add<mode>"): Likewise.
3201 ("sync_sub<mode>"): Likewise.
3202 ("sync_ior<mode>"): Likewise.
3203 ("sync_and<mode>"): Likewise.
3204 ("sync_xor<mode>"): Likewise.
3206 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3208 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3209 (remainder_optab): Define corresponding macro.
3210 (drem_optab): Remove.
3211 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3212 drem_optab initialization.
3213 * genopinit.c (optabs): Implement remainder_optab using
3214 remainder?f3 patterns. Remove drem_optab.
3215 * builtins.c (expand_builtin_mathfn_2): Handle
3216 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3217 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3218 expand_builtin_mathfn_2.
3220 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3221 depend on flag_unsafe_math_optimizations.
3223 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3224 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3225 Do not depend on flag_unsafe_math_optimizations. Use
3226 truncxf?f expander instead of truncxf?f_i387_noop.
3228 ("fpremxf4", "fprem1xf4"): Do not depend on
3229 flag_unsafe_math_optimizations.
3230 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3231 flag_unsafe_math_optimizations. Use truncxf?f expander
3232 instead of truncxf?f_i387_noop.
3234 * doc/md.texi (fmod, remainder): Document standard named pattern.
3236 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3237 David Daney <ddaney@avtrex.com>
3240 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3242 2006-10-25 Ben Elliston <bje@au.ibm.com>
3244 * doc/extend.texi (Variable Attributes): Typo fix.
3246 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3248 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3249 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3250 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3251 (FRAME_POINTER_REGNUM): Update register number to 21.
3252 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3253 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3255 * config/i386/i386.c (regclass_map): Add fpcr entry.
3256 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3258 (print_reg): Assert REGNO (x) != FPCR_REG.
3260 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3261 (DIRFLAG_REG): Renumber.
3262 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3263 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3264 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3265 hardcoded SSE register numbers.
3267 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3268 hardcoded MMX register numbers.
3270 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3274 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3276 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3277 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3278 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3279 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3281 2006-10-24 Richard Guenther <rguenther@suse.de>
3284 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3285 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3286 for deciding optimizations in consistency with fold-const.c
3287 (fold_builtin_unordered_cmp): Likewise.
3289 2006-10-24 Richard Guenther <rguenther@suse.de>
3291 * builtins.c (fold_builtin_floor): Fold floor (x) where
3292 x is nonnegative to trunc (x).
3293 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3294 nonnegative to FIX_TRUNC_EXPR.
3296 2006-10-24 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/29567
3299 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3300 for TRUTH_NOT_EXPR. Clarify comments.
3302 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3305 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3306 at compile-time using MPFR. Change parameter VALUE to FUNC,
3308 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3309 for overflow and underflow at all times and avoid folding in
3312 2006-10-24 Ben Elliston <bje@au.ibm.com>
3314 * reload1.c: Formatting fixes.
3316 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3318 PR tree-optimization/14784
3319 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3320 * tree-ssa-structalias.c (get_constraint_for,
3321 intra_create_variable_infos): Set is_heapvar.
3322 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3323 non-heapvar pointer variables specially.
3325 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3328 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3329 fold_builtin_tan): Fold all constant arguments. Take a "type"
3330 argument as necessary.
3331 (do_mpfr_arg1): New.
3332 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3334 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3336 * config/xtensa/lib1funcs.asm: Use C-style comments.
3338 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3340 * tree.c (local_define_builtin): Replace calls to
3341 lang_hooks.builtin_function with add_builtin_function.
3342 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3344 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3346 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3347 common code to add_builtin_function.
3348 * langhooks.c (add_builtin_function): New function.
3349 (lhd_builtin_function): New function.
3350 * langhooks.h (struct lang_hooks): Change the signature of
3352 (add_builtin_function): New function.
3353 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3354 calls to lang_hooks.builtin_function with add_builtin_function.
3355 * c-common.c (decl_builtin_1): Replace calls to
3356 lang_hooks.builtin_function with add_builtin_function.
3357 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3358 lang_hooks.builtin_function with add_builtin_function.
3359 * config/frv/frv.c (def_builtin): Replace calls to
3360 lang_hooks.builtin_function with add_builtin_function.
3361 * config/s390/s390.c (s390_init_builtins): Replace calls to
3362 lang_hooks.builtin_function with add_builtin_function.
3363 * config/sparc/sparc.c (def_builtin): Replace calls to
3364 lang_hooks.builtin_function with add_builtin_function.
3365 * config/i386/i386.c (def_builtin): Replace calls to
3366 lang_hooks.builtin_function with add_builtin_function.
3367 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3368 lang_hooks.builtin_function with add_builtin_function.
3369 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3370 lang_hooks.builtin_function with add_builtin_function.
3371 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3372 Replace calls to lang_hooks.builtin_function with
3373 add_builtin_function.
3374 * config/iq2000/iq2000.c (def_builtin):
3375 Replace calls to lang_hooks.builtin_function with
3376 add_builtin_function.
3377 * config/ia64/ia64.c (def_builtin): Replace calls to
3378 lang_hooks.builtin_function with add_builtin_function.
3379 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3380 lang_hooks.builtin_function with add_builtin_function.
3381 (altivec_init_builtins): Replace calls to
3382 lang_hooks.builtin_function with add_builtin_function.
3383 * config/arm/arm.c (def_mbuiltin): Replace calls to
3384 lang_hooks.builtin_function with add_builtin_function.
3385 (arm_init_tls_builtins): Replace calls to
3386 lang_hooks.builtin_function with add_builtin_function.
3387 * config/mips/mips.c (mips_init_builtins): Replace calls to
3388 lang_hooks.builtin_function with add_builtin_function.
3389 * config/bfin/bfin.c (def_builtin): Replace calls to
3390 lang_hooks.builtin_function with add_builtin_function.
3391 * langhooks-def.h (lhd_builtin_function): New function.
3392 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3394 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3396 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3397 BUILT_IN_STRNCAT_CHK.
3399 2006-10-23 Jan Hubicka <jh@suse.cz>
3401 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3402 don't do conversion from memmove to memcpy here.
3403 (expand_builtin_bcopy, expand_builtin): Update call of
3404 expand_builtin_memmove.
3405 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3407 2006-10-23 Paul Brook <paul@codesourcery.com>
3409 * stor-layout.c (start_record_layout): maximum_field_alignment
3410 overrides STRUCTURE_SIZE_BOUNDARY.
3412 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3414 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3415 nonlocal function symbols if flag_pic.
3417 2006-10-23 Richard Guenther <rguenther@suse.de>
3421 * builtins.c (fold_binary): Remove checks for flag_wrapv
3422 and flag_trapv where negate_expr_p covers these cases.
3424 2006-10-23 Richard Guenther <rguenther@suse.de>
3427 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3428 of two on the absolute value.
3429 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3430 and negating -C does not overflow.
3432 2006-10-23 Richard Guenther <rguenther@suse.de>
3435 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3436 only if not flag_rounding_math.
3438 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3439 Kaz Kojima <kkojima@gcc.gnu.org>
3442 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3443 SImode memory reference for the source of a movua.
3444 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3445 (movua): Use an unspec instead of sign_extract. Expect the source
3446 to have mode BLKmode.
3447 (extv, insv): Use a BLKmode rather than SImode memory reference
3448 for the source of a movua.
3450 2006-10-22 Jeff Law <law@redhat.com>
3451 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/15911
3454 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3455 (register_edge_assert_for_1): Likewise.
3456 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3457 (find_conditional_asserts): Adjust for new function signature.
3458 (find_assert_locations): Likewise.
3460 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3462 * config/i386/tmmintrin.h: Remove the duplicated content.
3464 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3466 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3467 (x86_64-*-*): Likewise.
3469 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3470 (override_options): Check SSSE3.
3471 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3472 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3473 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3474 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3475 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3476 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3477 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3478 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3479 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3480 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3481 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3482 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3483 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3484 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3485 IX86_BUILTIN_PABSD128.
3486 (bdesc_2arg): Add SSSE3.
3487 (bdesc_1arg): Likewise.
3488 (ix86_init_mmx_sse_builtins): Support SSSE3.
3489 (ix86_expand_builtin): Likewise.
3490 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3492 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3493 (UNSPEC_PSIGN): Likewise.
3494 (UNSPEC_PALIGNR): Likewise.
3495 Include mmx.md before sse.md.
3497 * config/i386/i386.opt: Add -mssse3.
3499 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3500 (ssse3_phaddwv4hi3): Likewise.
3501 (ssse3_phadddv4si3): Likewise.
3502 (ssse3_phadddv2si3): Likewise.
3503 (ssse3_phaddswv8hi3): Likewise.
3504 (ssse3_phaddswv4hi3): Likewise.
3505 (ssse3_phsubwv8hi3): Likewise.
3506 (ssse3_phsubwv4hi3): Likewise.
3507 (ssse3_phsubdv4si3): Likewise.
3508 (ssse3_phsubdv2si3): Likewise.
3509 (ssse3_phsubswv8hi3): Likewise.
3510 (ssse3_phsubswv4hi3): Likewise.
3511 (ssse3_pmaddubswv8hi3): Likewise.
3512 (ssse3_pmaddubswv4hi3): Likewise.
3513 (ssse3_pmulhrswv8hi3): Likewise.
3514 (ssse3_pmulhrswv4hi3): Likewise.
3515 (ssse3_pshufbv16qi3): Likewise.
3516 (ssse3_pshufbv8qi3): Likewise.
3517 (ssse3_psign<mode>3): Likewise.
3518 (ssse3_psign<mode>3): Likewise.
3519 (ssse3_palignrti): Likewise.
3520 (ssse3_palignrdi): Likewise.
3521 (abs<mode>2): Likewise.
3522 (abs<mode>2): Likewise.
3524 * config/i386/tmmintrin.h: New file.
3526 * doc/extend.texi: Document SSSE3 built-in functions.
3528 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3530 2006-10-22 Ira Rosen <irar@il.ibm.com>
3532 * tree-vect-transform.c (vectorizable_load): Use the type of the
3533 return value of the mask_for_load builtin to create realign_load
3536 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3538 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3541 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3543 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3544 (UNSPEC_LDDQU): This.
3545 * config/i386/sse.md (sse3_lddqu): Updated.
3547 2006-10-21 Richard Guenther <rguenther@suse.de>
3549 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3550 (expand_builtin): Use it to expand lrint instead of
3551 expand_builtin_mathfn.
3553 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3556 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3557 flag_unsafe_math_optimizations is set.
3559 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3562 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3563 patterns to use memory input operand in x87->mem->XMM
3564 reload sequences. Skip transformation for TARGET_K8.
3566 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3568 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3569 force operand1 to register if both operands are memory operands.
3570 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3571 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3572 if both operands are memory operands.
3573 (truncdfsf2): Do not force operand1 to register if both operands
3574 are memory operands.
3576 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3578 * Makefile.in (LIBS): Add $(GMPLIBS).
3579 * doc/install.texi: Update GMP and MPFR requirements.
3580 * doc/sourcebuild.texi (need_gmp): Delete.
3582 2006-10-21 Richard Guenther <rguenther@suse.de>
3584 PR tree-optimization/3511
3585 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3586 got new invariant arguments during PHI translation.
3588 2006-10-21 Richard Guenther <rguenther@suse.de>
3591 * fold-const.c (fold_comparison): Fold signed comparisons
3592 of the form X +- C1 CMP Y +- C2.
3594 2006-10-21 Richard Guenther <rguenther@suse.de>
3597 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3598 if flag_unsafe_math_optimizations is specified. We have
3599 flag_finite_math_only for that.
3600 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3601 or flag_unsafe_math_optimizations.
3603 2006-10-21 Richard Guenther <rguenther@suse.de>
3605 * builtins.c (fold_builtin_classify): Fix typo.
3607 2006-10-21 Richard Guenther <rguenther@suse.de>
3610 * simplify-rtx.c (simplify_const_relational_operation):
3611 Do not constant-fold ORDERED and UNORDERED for
3612 flag_unsafe_math_optimizations but only we do not need to
3613 honor NaNs for the given mode.
3615 2006-10-21 Richard Guenther <rguenther@suse.de>
3618 * config/i386/i386.c (classify_argument): Remove redundant
3619 walking of the BINFOs.
3620 (contains_128bit_aligned_vector_p): Likewise.
3622 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3624 * BASE-VER: Set to 4.3.0.
3626 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3628 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3629 (tree_decl_with_vis): Remove artificial_pta_var flag.
3630 * tree-flow.h (referenced_var_check_and_insert): Expose.
3631 (nonlocal_all): New prototype.
3632 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3633 (nonlocal_all): Make global.
3634 (nonlocal_lookup): Remove.
3635 (nonlocal_insert): Ditto.
3636 (create_nonlocal_var): Do not call nonlocal_insert.
3637 (get_nonlocal_id_for_type): Remove.
3638 (find_global_initializers): Mark new vars we find for renaming.
3639 (intra_create_variable_infos): Only create one nonlocal.
3640 (expand_nonlocal_solutions): Remove.
3641 (compute_points_to_sets): Don't call it.
3642 (ipa_pta_execute): Ditto.
3643 (init_alias_heapvars): Don't create nonlocal_for_type.
3644 (delete_alias_heapvars): Don't remove it.
3645 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3648 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3650 * doc/install.texi (Downloading GCC): Clarify mention of
3651 Fortran in the "full distribution" description.
3653 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3655 Fix PR tree-optimization/28778
3656 Fix PR tree-optimization/29156
3657 Fix PR tree-optimization/29415
3658 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3659 (tree_decl_with_vis): Add artificial_pta_var flag.
3660 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3661 pushed into callers.
3662 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3663 (nonlocal_all): Ditto.
3664 (struct variable_info): Add directly_dereferenced member.
3665 (var_escaped_vars): New variable.
3666 (escaped_vars_tree): Ditto.
3667 (escaped_vars_id): Ditto.
3668 (nonlocal_vars_id): Ditto.
3669 (new_var_info): Set directly_dereferenced.
3670 (graph_size): New variable
3671 (build_constraint_graph): Use graph_size.
3672 (solve_graph): Don't process constraints that cannot change the
3673 solution, don't try to propagate an empty solution to our
3675 (process_constraint): Set directly_dereferenced.
3676 (could_have_pointers): New function.
3677 (get_constraint_for_component_ref): Don't process STRING_CST.
3678 (nonlocal_lookup): New function.
3679 (nonlocal_insert): Ditto.
3680 (create_nonlocal_var): Ditto.
3681 (get_nonlocal_id_for_type): Ditto.
3682 (get_constraint_for): Allow results vector to be empty in the case
3683 of string constants.
3684 Handle results of calls properly.
3685 (update_alias_info): Update alias info stats on number and type of
3687 (find_func_aliases): Use could_have_pointers.
3688 (make_constraint_from_escaped): Renamed from
3689 make_constraint_to_anything, and changed to make constraints from
3691 (make_constraint_to_escaped): New function.
3692 (find_global_initializers): Ditto.
3693 (create_variable_info_for): Make constraint from escaped to any
3694 global variable, and from any global variable to the set of
3696 (intra_create_variable_infos): Deal with escaped instead of
3697 pointing to anything.
3698 (set_uids_in_ptset): Do type pruning on directly dereferenced
3700 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3701 (init_base_vars): Fix comment, and initialize escaped_vars.
3702 (need_to_solve): Removed.
3703 (find_escape_constraints): New function.
3704 (expand_nonlocal_solutions): Ditto.
3705 (compute_points_to_sets): Call find_escape_constraints and
3706 expand_nonlocal_solutions.
3707 (delete_points_to_sets): Don't fall off the end of the graph.
3708 (init_alias_heapvars): Initialize nonlocal_for_type and
3710 (delete_alias_heapvars): Free nonlocal_for_type and null out
3713 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3715 * fold-const.c (add_double): Rename to add_double_with_sign.
3716 Add 'unsigned_p' parameter and take it into account for the overflow.
3717 (mul_double): Rename to mul_double_with_sign.
3718 Add 'unsigned_p' parameter and take it into account for the overflow.
3719 (fold_div_compare): Call add_double_with_sign instead of add_double
3720 and mul_double_with_sign instead of mul_double, passing them the
3721 unsignedness of the type.
3722 * tree.h (add_double): Macroize.
3723 (add_double_with_sign): New prototype.
3724 (mul_double): Macroize.
3725 (mul_double_with_sign): New prototype.
3727 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3729 * config/score/crti.asm: New file.
3730 * config/score/crtn.asm: New file.
3731 * config/score/elf.h: New file.
3732 * config/score/mac.md: New file.
3733 * config/score/misc.md: New file.
3734 * config/score/mul-div.S: New file.
3735 * config/score/predicates.md: New file.
3736 * config/score/score7.md: New file.
3737 * config/score/score.c: New file.
3738 * config/score/score-conv.h: New file.
3739 * config/score/score.h: New file.
3740 * config/score/score.md: New file.
3741 * config/score/score-mdaux.c: New file.
3742 * config/score/score-mdaux.h: New file.
3743 * config/score/score-modes.def: New file.
3744 * config/score/score.opt: New file.
3745 * config/score/score-protos.h: New file.
3746 * config/score/score-version.h: New file.
3747 * config/score/t-score-elf: New file.
3748 * config.gcc: Add score*-*-* configurations(Update before).
3749 * doc/invoke.texi (Score Options): New section.
3750 * doc/md.texi (Score family): New section to document constraints.
3752 2006-10-19 Nick Clifton <nickc@redhat.com>
3754 * config/arm/arm.c: Fix spelling typo.
3756 2006-10-18 Tom Tromey <tromey@redhat.com>
3758 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3760 2006-10-18 Jan Hubicka <jh@suse.cz>
3763 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3766 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3768 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3769 TSI_SAME_STMT, since that's the desired entity.
3771 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3773 * config/s390/contraints.md: New file.
3774 * config/s390/s390-protos.h (s390_mem_constraint,
3775 s390_O_constraint_str, s390_N_constraint_str,
3776 s390_float_const_zero_p): Function prototypes added.
3777 * config/s390/s390.c (s390_extra_constraint_str,
3778 s390_const_double_ok_for_constraint_p,
3779 s390_const_ok_for_constraint_p): Functions removed.
3780 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3781 s390_float_const_zero_p): New functions.
3782 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3783 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3784 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3785 Macro definitions removed.
3786 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3787 s390_extra_constraint_str): Functions removed.
3789 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3790 Richard Sandiford <richard@codesourcery.com>
3793 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3794 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3796 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3798 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3799 (DWARF2_FRAME_REG_OUT): Likewise.
3800 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3801 (DWARF2_FRAME_REG_OUT): Likewise.
3803 2006-10-17 Paul Brook <paul@codesourcery.com>
3805 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3807 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3809 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3810 Standardize on "GNU Fortran" as the official name of the Fortran
3813 2006-10-16 Mike Stump <mrs@apple.com>
3815 * doc/invoke.texi (Darwin Options): Document -mkernel.
3816 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3818 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3819 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3820 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3821 (OS_MISSING_ALTIVEC): Add.
3822 * config/i386/i386.c (override_options): Add
3823 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3824 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3825 -mkernel, -static or -mdynamic-no-pic is given.
3826 (C_COMMON_OVERRIDE_OPTIONS): Add.
3827 * config/darwin.opt (fapple-kext): Add.
3829 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3830 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3832 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3833 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3834 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3835 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3836 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3837 (flag_mkernel): Add.
3838 (flag_apple_kext): Add.
3839 (TARGET_KEXTABI): Add.
3840 * config/darwin.c (darwin_handle_kext_attribute): Add.
3841 (DARWIN_VTABLE_P): Add.
3842 (darwin_binds_local_p): Add partial support for rebinding vtables
3844 (darwin_kextabi_p): Add.
3845 (darwin_override_options): Add.
3846 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3847 (darwin_kextabi_p): Add.
3848 (darwin_override_options): Add.
3849 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3850 __DYNAMIC__ and __STATIC__ here.
3852 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3854 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3855 Added mention of "make pdf" target, and Texinfo requirements for
3858 2006-10-16 DJ Delorie <dj@redhat.com>
3860 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3861 into the GOT in case we need a subreg of the address.
3863 2006-10-16 Richard Guenther <rguenther@suse.de>
3866 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3867 SSE builtin documentation. Document SSE2 builtins.
3869 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3871 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3872 symbol in the output file for non-shared links when -nostdlib or
3873 -nodefaultlibs isn't specified.
3875 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3876 posix thread support.
3878 2006-10-15 Jan Hubicka <jh@suse.cz>
3881 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3882 declared always_inline even when not inlining.
3884 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3885 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3886 Andrew Pinski <pinskia@gmail.com>
3889 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3891 2006-10-15 Jan Hubicka <jh@suse.cz>
3892 Richard Guenther <rguenther@suse.de>
3895 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3896 process_function_and_variable_attributes on all variables, including
3897 those discovered during cgraph construction phase.
3899 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3901 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3903 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3905 * config/i386/athlon.md (athlon_fist): Add fisttp.
3907 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3908 Ian Lance Taylor <ian@airs.com>
3911 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3912 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3915 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3917 * config/score/score.c, config/score/score.h: Fix comment
3920 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3923 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3926 2006-10-13 Eric Christopher <echristo@apple.com>
3928 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3930 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3933 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3934 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3935 alignment supported by 32-bit ELF.
3937 2006-10-13 Eric Christopher <echristo@apple.com>
3939 * config/darwin.c (darwin_emit_unwind_label): Strip
3940 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3942 2006-10-13 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/29446
3945 * tree-vrp.c (fix_equivalence_set): Remove.
3946 (extract_range_from_assert): Do not call fix_equivalence_set.
3947 (debug_value_range): Print a newline.
3948 (compare_name_with_value): For equivalence sets with
3949 inconsistent value ranges conservatively bail out.
3950 (compare_names): Likewise.
3952 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3954 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3955 and MPFR for gfortran.
3957 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3959 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3960 alignment supported by 32-bit ELF.
3962 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3966 * c-typeck.c (digest_init): Always allow initializing vectors
3967 that have static storage duration with compound literals.
3968 * tree.c (build_type_attribute_qual_variant): New, based on
3969 build_type_attribute_variant.
3970 (build_type_attribute_variant): Rewrite using the former.
3971 (make_vector_type): Use build_type_attribute_qual_variant to build
3972 type variants. Use type_hash_canon on the others.
3974 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3975 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3977 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3979 2006-10-12 Jan Hubicka <jh@suse.cz>
3982 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3983 current_function_decl is set but current_function_scope is not.
3985 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3987 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3988 emit_insn to emit eh_return_internal instruction.
3989 (eh_return_internal): Explicitly set pc.
3991 2006-10-11 Richard Guenther <rguenther@suse.de>
3993 PR tree-optimization/28230
3994 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3995 to the correct place.
3997 2006-10-11 Richard Guenther <rguenther@suse.de>
4000 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4003 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4005 * configure.ac: Added pdf to "Make-hooks"
4006 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4007 targets and *.pdf file patterns in cleanup targets.
4008 * configure: Regenerated.
4010 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4012 * config/avr/predicates.md: New file.
4013 * config/avr/avr.md: Include it.
4014 (REG_SP): New constant.
4015 (peepholes): Use predicates.
4016 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4017 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4018 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4020 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4022 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4025 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4028 * builtins.c (var_decl_component_p): New function.
4029 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4030 single entry optimization to variables and components thereof.
4032 2006-10-10 Richard Guenther <rguenther@suse.de>
4034 PR rtl-optimization/29323
4035 * except.c (set_nothrow_function_flags): For functions
4036 that do not bind local bail out early.
4038 2006-10-10 Ben Elliston <bje@au.ibm.com>
4040 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4043 2006-10-09 Richard Henderson <rth@redhat.com>
4045 Revert emutls patch.
4047 2006-10-09 Richard Guenther <rguenther@suse.de>
4050 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4053 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4056 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4057 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4058 * configure: Regenerate.
4059 * config.in: Regenerate.
4061 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4063 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4065 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4067 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4068 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4069 Remove stray newline.
4071 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4073 * config/mips/mips.c (mips_classify_symbol): Do not return
4074 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4075 (mips_in_small_data_p): Tweak comments.
4077 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4079 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4081 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4083 * gimplify.c, sched-int.h: Fix comment typos.
4085 * sched-int.h: Fix comment typos.
4087 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4089 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4091 * sched-ebb.c (begin_schedule_ready): Use them.
4092 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4093 add_to_speculative_block, create_check_block_twin, speculate_insn,
4094 fix_jump_move, move_block_after_check): Ditto.
4095 * sched-rgn.c (new_ready): Ditto.
4097 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4099 PR rtl-optimization/29128
4100 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4101 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4102 allow interblock movement of speculation checks.
4104 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4107 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4108 casted to integer type.
4109 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4110 if they are significantly more expensive than [reg + index] ones.
4112 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4114 PR tree-optimization/29330
4115 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4116 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4117 on newly allocated ddrs.
4118 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4119 to VEC (loop_p, heap) pointer.
4120 (compute_data_dependences_for_loop): Adjust caller.
4121 (free_dependence_relations): Free DDR_LOOP_NEST.
4123 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4124 free DEPENDENCE_RELATIONS and DATAREFS.
4127 * builtins.c (expand_builtin_sync_operation,
4128 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4129 Use convert_to_mode to handle promoted arguments.
4131 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4133 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4135 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4137 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4139 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4141 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4142 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4143 Use <modeconstraint> instead of "r" as operand 1 constraint.
4145 2006-10-06 Olivier Hainque <hainque@adacore.com>
4147 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4148 Don't recurse on the pointed-to type.
4149 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4150 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4151 types with components of variable size.
4153 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4155 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4157 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4159 PR tree-optimization/29290
4160 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4164 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4165 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4168 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4169 the number of vector elements fill the rest with zeros.
4171 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4173 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4174 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4177 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4179 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4180 unnamed pattern into subsi3. Use correct constraints/predicates.
4181 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4182 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4184 2006-10-05 Ira Rosen <irar@il.ibm.com>
4186 * doc/loop.texi: Add data references analysis description.
4188 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4190 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4192 2006-10-04 Richard Henderson <rth@redhat.com>
4193 Jakub Jelinek <jakub@redhat.com>
4195 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4196 * builtin-types.def (BT_WORD): Make unsigned.
4197 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4198 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4199 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4200 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4201 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4202 * cgraph.c (decide_is_variable_needed): Look at force_output.
4203 Recurse for emulated tls.
4204 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4205 checks redundant with decide_is_variable_needed.
4206 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4207 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4209 * expr.c (emutls_var_address): New.
4210 (expand_expr_real_1): Expand emulated tls.
4211 (expand_expr_addr_expr_1): Likewise.
4212 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4213 * output.h (emutls_finish): Declare.
4214 * toplev.c (compile_file): Call it.
4215 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4216 address before wrapping in CONST.
4217 * varasm.c (emutls_htab, emutls_object_type): New.
4218 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4219 (get_emutls_object_name, get_emutls_object_type): New.
4220 (get_emutls_init_templ_addr, emutls_decl): New.
4221 (emutls_common_1, emutls_finish): New.
4222 (assemble_variable): When emulating tls, swap decls; generate
4223 constructor for the emutls objects.
4224 (do_assemble_alias): When emulating tls, swap decl and target name.
4225 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4227 * emutls.c: New file.
4228 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4229 tls_object for real tls.
4231 2006-10-04 Zack Weinberg <zackw@panix.com>
4233 Fix bug in constraint-check generator, reported by Rask Ingemann
4235 * genpreds.c (add_constraint): Don't remove anything from the
4237 (write_tm_constrs_h): Detect whether "op" argument is used, and
4238 mark it ARG_UNUSED if it isn't.
4239 (write_insn_const_int_ok_for_constraint): Skip the part of the
4240 expression that would test whether "op" (which is not available
4241 here) is a CONST_INT.
4243 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4246 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4248 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4250 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4251 current Leopard versions.
4252 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4254 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4256 * doc/install.texi: Fix typos.
4258 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4260 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4261 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4262 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4264 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4266 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4267 arg to be struct mach_header_64* instead.
4269 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4272 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4273 side effects after the outer expression's post side effects.
4275 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4277 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4278 comments to reflect actual behavior and relationship between
4279 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4281 * doc/c-tree.texi (Working with declarations): Fix documentation
4282 of FIELD_DECL likewise.
4284 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4287 * doc/extend.texi: Add used variable attribute description.
4289 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4292 * c.opt (Woverride-init): New.
4293 * c-opts.c (c_common_post_options): Default warn_override_init to
4295 * c-typeck.c (add_pending_init, output_init_element): Warn for
4296 overriding initializers without side effects.
4297 * doc/invoke.texi (-Woverride-init): Document.
4300 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4302 PR rtl-optimization/28096
4303 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4304 assignment has already been used as a destination earlier in the block.
4306 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4308 * builtins.c (expand_builtin_setjmp): Delete.
4309 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4310 <BUILT_IN_SETJMP_SETUP>: New case.
4311 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4312 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4313 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4314 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4315 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4316 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4317 (lower_function_body): Initialize it to false. If it is set to true
4318 at the end of the processing, emit the setjmp dispatcher.
4319 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4320 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4321 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4322 on the rhs of the assignment.
4323 (lower_builtin_setjmp): New function.
4324 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4325 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4326 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4327 to detect calls that can go to non-local labels. Use specific
4328 helper to create the abnormal edges associated with them.
4329 <MODIFY_EXPR>: Likewise.
4330 (make_abnormal_goto_edges): New function extracted from...
4331 (make_goto_expr_edges): ...here. Call it for computed gotos.
4332 (simple_goto_p): Minor tweak.
4333 (tree_can_make_abnormal_goto): New predicate.
4334 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4335 (tree_purge_dead_abnormal_call_edges): New function.
4336 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4337 (tree_purge_dead_abnormal_call_edges): Likewise.
4338 (make_abnormal_goto_edges): Likewise.
4339 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4340 Purge all dead abnormal edges if the call was in the last statement.
4341 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4342 (execute_fixup_cfg): If there are non-local labels in the function,
4343 scan the basic blocks and split them at calls that can go to non-local
4344 labels or add missing abnormal call edges. Write down the CFG in the
4346 (pass_fixup_cfg): Remove TODO_dump_func flag.
4347 * unwind-sjlj.c: Poison setjmp.
4348 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4349 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4350 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4351 (DONT_USE_BUILTIN_SETJMP): Document it.
4353 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4356 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4357 to 1 when __ppc64__ is defined.
4358 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4360 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4362 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4364 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4365 * config/ia64/unwind-hpux.c: Delete.
4367 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4369 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4370 on the element before gimplifying it, instead of punting if it is of
4373 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4375 * doc/loop.texi: New file.
4376 * doc/gccint.texi: Reference loop.texi.
4377 * Makefile.in (loop.texi): Add.
4379 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4381 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4383 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4384 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4386 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4388 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4390 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4392 * doc/install.texi: Document required versions of GMP and MPFR.
4394 2006-09-27 Paul Brook <paul@codesourcery.com>
4397 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4399 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4401 * reload1.c (alter_reg): Require the alignment of the stack slot to
4402 be at least reg_max_ref_width bytes.
4403 (scan_paradoxical_subregs): Record the largest width in
4406 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4410 * tree-nested.c (struct nesting_info): Added static_chain_added.
4411 (convert_call_expr): Set static_chain_added when adding static
4412 chain. Handle OMP_PARALLEL and OMP_SECTION.
4414 2006-09-25 Matthias Klose <doko@debian.org>
4416 * doc/invoke.texi: Add missing full stop.
4418 2006-09-25 Richard Henderson <rth@redhat.com>
4420 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4421 before cgraph_function_flags_ready.
4423 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4424 Adam Nemet <anemet@caviumnetworks.com>
4426 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4427 determine_common_wider_type): New functions.
4428 (get_computation_aff): Use them to simplify arithmetic between
4429 UBASE and CBASE if they are shortened from the same type.
4431 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4434 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4435 -2147483647 - 1 instead of 0x80000000.
4437 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4439 * flags.h (HONOR_NANS): Fix typo in comment.
4441 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4443 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4445 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4449 * tree.c (merge_attributes, attribute_list_contained): If both
4450 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4452 * c-typeck.c (comptypes_internal): Don't consider aggregates
4453 in different TUs as compatible if there one set of attributes is
4454 not a subset of the other type's attributes.
4455 (composite_type): Try harder not to create a new aggregate type.
4457 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4459 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4460 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4461 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4462 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4463 than replicating condition above.
4464 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4466 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4467 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4468 the linker by default.
4470 2006-09-22 Mike Stump <mrs@apple.com>
4472 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4475 2006-09-22 Richard Guenther <rguenther@suse.de>
4478 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4479 sort of stack variables stable.
4481 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4484 * explow.c (force_reg): Set REG_POINTER flag according to
4487 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4489 PR tree-optimization/28888
4490 * tree-if-conv.c (combine_blocks): Rewritten.
4491 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4492 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4494 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4496 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4499 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4501 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4503 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4505 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4507 2006-09-21 Roger Sayle <roger@eyesopen.com>
4510 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4511 dw_fde_current_label, to be the start of the function, i.e. the same
4512 value as dw_fde_begin.
4514 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4516 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4517 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4518 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4519 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4520 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4521 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4522 (abs<mode>2, neg<mode>2): Likewise.
4523 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4524 (*mips_abs_ps): New define_insn.
4526 2006-09-20 Josh Conner <jconner@apple.com>
4529 * calls.c (expand_call): Allow reuse of structure return stack
4532 2006-09-20 Paul Brook <paul@codesourcery.com>
4534 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4537 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4539 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4540 clean up terminology.
4542 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4545 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4546 with tablejumps in them.
4548 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4551 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4552 wrap it into TARGET_EXPR.
4554 2006-09-20 Eric Christopher <echristo@apple.com>
4556 * config/i386/i386.c (x86_fisttp): Remove.
4557 * config/i386/i386.h (x86_fisttp): Ditto.
4558 (TARGET_FISTTP): Ditto.
4560 2006-09-19 Eric Christopher <echristo@apple.com>
4562 * doc/tm.texi (OBJC_JBLEN): Describe.
4563 * config/i386/darwin.h (OBJC_JBLEN): Define.
4564 * config/rs6000/darwin.h: Ditto.
4566 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4568 PR rtl-optimization/21299
4569 * reload1.c (reload): Purge invalid ASMs in the final pass.
4571 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4574 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4575 pointers as legitimate constants.
4577 2006-09-19 Paul Brook <paul@codesourcery.com>
4580 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4582 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4584 PR tree-optimization/28887
4585 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4586 component parts from the reference.
4587 (gather_memory_references_ref): Record the reference without the
4588 nonaddressable component parts.
4590 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4593 * c-opts.c (c_common_handle_option): Ignore the -std options
4594 if the input language is assembly.
4596 2006-09-17 Ira Rosen <irar@il.ibm.com>
4599 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4601 (ptr_ptr_may_alias_p): Likewise.
4602 (record_record_differ_p): New function.
4603 (base_object_differ_p): Call record_record_differ_p.
4605 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4608 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4609 away for the expr argument.
4611 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4614 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4615 before using it for dumping after vectorizing loops.
4617 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4618 Jack Howarth <howarth@bromo.med.uc.edu>
4621 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4622 skip on error_mark_node.
4623 (rs6000_darwin64_record_arg_recurse): Likewise.
4625 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4627 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4628 * doc/rtl.texi: Remove related documentation.
4630 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4632 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4635 2006-09-15 Jim Wilson <wilson@specifix.com>
4637 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4638 Handle symbol offsets same as they are handled in ia64_expand_move
4641 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4643 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4644 Add forgotten parameter to the fprintf call.
4646 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4648 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4650 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4652 * doc/contrib.texi: Add my entry.
4654 2006-09-15 Nick Clifton <nickc@redhat.com>
4656 * doc/md.texi (Processor pipeline description): Fix typo in
4657 example of how to use the absence_set directive and reword the
4658 description to make it slightly easier to read.
4660 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4662 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4663 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4664 expanding the number of iterations.
4665 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4667 * cfgrtl.c (emit_insn_at_entry): New function.
4668 * rtl.h (emit_insn_at_entry): Declare it.
4669 * integrate.c (emit_initial_value_sets): Use it.
4671 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4673 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4675 (struct loop_work and related VEC declarations): Delete.
4676 (bfin_dump_loops): Print out new member bad.
4677 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4678 (bfin_scan_loop): Don't recurse.
4679 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4680 loops. No longer need to update outer loops if the current one is
4681 found bad. Move some validitiy checks to bfin_discover_loop.
4682 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4683 but changed not to check for nesting. Also changed to use the new bad
4685 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4686 time. Use bitmap based test to discover loop nesting.
4688 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4690 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4693 2006-09-14 Richard Guenther <rguenther@suse.de>
4694 Kazu Hirata <kazu@codesourcery.com>
4696 PR middle-end/28884.
4697 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4698 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4699 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4700 with TARGET_FUNCTION_VALUE.
4702 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4705 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4707 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4709 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4712 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4715 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4718 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4720 * basic_block.h (bb_has_eh_pred): Fix comment.
4722 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4724 * flow.c (calculate_global_regs_live): Invalidate eh registers
4725 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4726 (propagate_block): Handle eh registers as if they were set at basic
4728 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4730 * global.c (global_conflicts): Make eh registers to conflict with
4731 pseudos live at basic block begin.
4732 * basic_block.h (bb_has_eh_pred): New function.
4734 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4736 PR rtl-optimization/28982
4737 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4738 index of a PRE_MODIFY or POST_MODIFY address.
4739 * reload1.c (inc_for_reload): Use find_replacement on the original
4740 base and index registers.
4742 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4744 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4745 for -Os. Update __m128 alignment requirement.
4747 2006-09-13 Jan Hubicka <jh@suse.cz>
4749 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4751 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4753 PR rtl-optimization/28243
4754 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4755 the insn to which the note was originally attached.
4757 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4758 Roger Sayle <roger@eyesopen.com>
4760 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4761 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4762 on platforms that don't use dwarf for debug info.
4764 2006-09-12 Jason Merrill <jason@redhat.com>
4767 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4768 hard_frame_pointer_rtx after using it to update the frame pointer.
4770 2006-09-12 Roger Sayle <roger@eyesopen.com>
4772 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4773 (TARGET_ASM_CLOSE_PAREN): Likewise.
4774 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4775 (TARGET_ASM_CLOSE_PAREN): Likewise.
4777 2006-09-12 Roger Sayle <roger@eyesopen.com>
4780 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4781 frame information for frames larger than 512 Kbytes on Tru64 when
4782 using the native assembler.
4784 2006-09-12 Roger Sayle <roger@eyesopen.com>
4788 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4789 and symbols. Instead use the implementation from cse.c's hash_rtx.
4791 2006-09-12 Jan Hubicka <jh@suse.cz>
4793 PR rtl-optimization/28071
4794 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4795 (vect_transform_loop): Likewise.
4796 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4797 (new_loop_vec_info): Likewise.
4798 (destroy_loop_vec_info): Likewise.
4799 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4800 (create_stmt_ann): Likewise.
4801 (create_tree_ann): Rename to ...
4802 (create_tree_common_ann): ... this one; allocate only the common part
4804 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4805 (get_value_handle): Likewise.
4806 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4807 get_tree_common_ann.
4808 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4809 (vinfo_for_stmt): Use stmt annotations.
4810 * tree-flow.h (tree_ann_common_t): New type.
4811 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4812 (tree_ann, get_tree_ann, create_tree_ann): New.
4813 * tree-flow-inline.h (get_function_ann): Do more type checking.
4814 (stmt_ann): Likewise.
4815 (tree_ann): Rename to ...
4816 (tree_common_ann): ... this one; return ony common_ann
4817 (get_tree_ann): Rename to ...
4818 (tree_common_ann): This one; return only common_ann.
4819 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4822 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4824 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4825 with_cpu by default.
4827 * dwarf2out.c (dwarf_file_data): New.
4828 (enum dw_val_class): Add dw_val_class_file.
4829 (struct dw_val_struct): Add val_file.
4830 (file_table): Change to a hash table.
4831 (file_table_emitted): Delete.
4832 (file_table_last_lookup_index): Delete.
4833 (emitcount): Delete.
4834 (last_emitted_file): New.
4835 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4836 (init_file_table): Delete.
4837 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4838 (AT_addr): Add comment.
4842 (print_die): Handle dw_val_class_file.
4843 (print_dwarf_line_table): Update for new file table structure.
4844 (attr_checksum): Do checksum a filename.
4845 (same_dw_val_p, same_attr_p): Do compare a filename.
4846 (size_of_die): Handle dw_val_class_file.
4847 (value_format): Likewise.
4848 (output_die): Likewise. Also, call maybe_emit_file here.
4849 (struct file_info): Constify filenames. Make file_idx a pointer
4850 to a struct dwarf_file_data.
4851 (struct dir_info): Constify directory names. Remove 'used' field.
4852 (struct file_name_acquire_data): New.
4853 (file_name_acquire): New.
4854 (output_file_names): Modify to handle new file data structures.
4855 (add_src_coords_attributes): Use add_AT_file.
4856 (add_call_src_coords_attributes): Likewise.
4857 (dwarf2out_imported_module_or_decl): Likewise.
4858 (gen_subprogram_die): Modify for new file data structures.
4859 (gen_variable_die): Likewise.
4860 (file_table_eq): New.
4861 (file_table_hash): New.
4862 (file_table_last_lookup): New.
4863 (lookup_filename): Rewrite to handle new file data structures.
4864 (maybe_emit_file): Rewrite to handle new file data structures.
4865 (dwarf2out_source_line): Always call lookup_filename and
4867 (dwarf2out_init): Create file_table here.
4868 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4869 (file_table_relative_p): New.
4870 (dwarf2out_finish): Change detection of relative filenames
4871 to work with new file data structures. Move output_line_info call
4872 after debug_info output.
4874 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4879 * config/i386/i386.c (override_options): Always default to 16
4880 byte stack boundary.
4882 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4885 * var-tracking.c (dump_dataflow_set): Start dumping at
4887 (clobber_variable_part): Kill only the variable part in
4888 registers holding it, leaving other variables alone.
4890 2006-09-11 Josh Triplett <josh@freedesktop.org>
4892 * doc/extend.texi (Other Builtins): Actually use the macro
4893 argument in the documentation example for
4894 __builtin_types_compatible_p.
4896 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4898 PR rtl-optimization/28726
4899 * sched-deps.c (sched_analyze_reg): New function extracted from...
4900 (sched_analyze_1): ...here. Call it to analyze references to
4901 registers. Treat again writes to a stack register as writing to the
4903 (sched_analyze_2): ...and here. Call it to analyze references to
4904 registers. Treat again reads of a stack register as reading the
4907 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4908 David Edelsohn <edelsohn@gnu.org>
4911 * config/rs6000/spe.md (frob_df_di): Remove %H.
4912 (frob_di_df): Remove %H. Change evmergelo to mr.
4913 (frob_di_df_2): Remove %H. Change evldd to two loads.
4915 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4917 * doc/cpp.texi: Fix names of charset options.
4919 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4922 * config/i386/i386.c (override_options): Use 128-bit
4923 stack boundary always for 64bits.
4925 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4927 PR rtl-optimization/28636
4928 * combine.c (force_to_mode): Test for side-effects before
4929 substituting by zero.
4930 (simplify_shift_const): Likewise for zero or other constants.
4932 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4935 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4938 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4941 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4942 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4943 returned by mode_for_size, rather than the mode of src itself,
4944 to choose between 32-bit and 64-bit patterns.
4945 (mips_mem_fits_mode_p): New function.
4946 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4947 that the size of the source matches the size of the destination.
4948 (mov_<store>l, mov_<store>r): Likewise.
4950 2006-09-10 Eric Christopher <echristo@apple.com>
4952 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4955 2006-09-09 Eric Christopher <echristo@apple.com>
4958 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4961 2006-09-09 Roger Sayle <roger@eyesopen.com>
4962 Nicolas Setton <setton@adacore.com>
4964 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4966 2006-09-10 Andreas Schwab <schwab@suse.de>
4968 * config/m68k/m68k.md (bungt_rev): New pattern.
4970 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4971 Dale Johannesen <dalej@apple.com>
4974 * regclass.c (struct reg_pref): Update documentation.
4975 (regclass): Set prefclass to NO_REGS if memory is the best option.
4976 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4978 2006-09-08 Eric Christopher <echristo@apple.com>
4980 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4981 * config/t-slibgcc-darwin: Support x86_64 multilib.
4982 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4983 Return 1 for x86_64-darwin.
4984 * config/i386/t-darwin: Add m64 multilib.
4985 (LIB2_SIDITI_CONV_FUNCS): Use.
4986 (LIB2FUNCS_EXTRA): Ditto.
4987 * config/i386/darwin.h: Support x86_64.
4988 * config/i386/i386.c (override_options): Turn on flag_pic
4989 for x86_64-darwin. Disable flag_omit_pointer.
4990 (get_pc_thunk_name): Assert !TARGET_64BIT.
4991 (legitimate_address_p): Disable machopic addressing for
4993 (legitimize_pic_address): Ditto.
4994 (ix86_expand_move): Ditto.
4995 (ix86_expand_call): Ditto.
4996 (machopic_output_stub): Ditto.
4997 * config/darwin.c (machopic_select_section): Support literal16.
4998 (machopic_select_rtx_section): Ditto.
4999 * config/darwin-sections.def: Ditto.
5000 * config/darwin-64.c: New.
5002 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5005 * c-tree.h (struct c_arg_info): Add pending_sizes.
5006 * c-parser.c (c_parser_parms_declarator,
5007 c_parser_parms_list_declarator): Initialize pending_sizes.
5008 * c-decl.c (get_parm_info): Initialize pending_sizes.
5009 (get_parm_info): Set pending_sizes.
5010 (grokdeclarator): Call put_pending_sizes for parameters for
5011 function definition only.
5013 2006-09-07 Jason Merrill <jason@redhat.com>
5016 * varasm.c (output_constant): Only strip actual no-op conversions.
5019 * config/i386/i386.c (override_options): Use 128-bit
5020 stack boundary if -msse.
5022 2006-09-07 Eric Christopher <echristo@apple.com>
5024 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5026 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5029 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5031 * dwarf2out.c: Remove strange characters from comment above
5032 dwarf2out_frame_debug_expr.
5034 2006-09-07 Eric Christopher <echristo@apple.com>
5036 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5037 * config/darwin.h: ... to here.
5039 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5041 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5043 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5044 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5046 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5047 TARGET_PARTIAL_FLAG_REG_STALL.
5048 (*ashldi3_cconly_rex64): Likewise.
5049 (*ashlsi3_cmp): Likewise.
5050 (*ashlsi3_cconly): Likewise.
5051 (*ashlsi3_cmp_zext): Likewise.
5052 (*ashlhi3_cmp): Likewise.
5053 (*ashlhi3_cconly): Likewise.
5054 (*ashlqi3_cmp): Likewise.
5055 (*ashlqi3_cconly): Likewise.
5056 (*ashrdi3_cmp_rex64): Likewise.
5057 (*ashrdi3_cconly_rex64): Likewise.
5058 (*ashrsi3_cmp): Likewise.
5059 (*ashrsi3_cconly): Likewise.
5060 (*ashrsi3_cmp_zext): Likewise.
5061 (*ashrhi3_cmp): Likewise.
5062 (*ashrhi3_cconly): Likewise.
5063 (*ashrqi3_cmp): Likewise.
5064 (*ashrqi3_cconly): Likewise.
5065 (*lshrdi3_cmp_rex64): Likewise.
5066 (*lshrdi3_cconly_rex64): Likewise.
5067 (*lshrsi3_cmp): Likewise.
5068 (*lshrsi3_cconly): Likewise.
5069 (*lshrsi3_cmp_zext): Likewise.
5070 (*lshrhi3_cmp): Likewise.
5071 (*lshrhi3_cconly): Likewise.
5072 (*lshrqi2_cmp): Likewise.
5073 (*lshrqi2_cconly): Likewise.
5075 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5078 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5079 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5080 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5081 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5082 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5083 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5084 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5085 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5086 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5087 implement only CC setting effects of shift instructions.
5089 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5091 * doc/contrib.texi: Add myself.
5093 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5096 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5097 was set by the user.
5099 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5102 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5103 (divsi_inv_m1): Use them.
5104 (UNSPEC_DIV_INV_TABLE): New constant.
5106 2006-09-06 James E Wilson <wilson@specifix.com>
5109 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5110 then call count_or_remove_death_notes.
5112 2006-09-06 Jason Merrill <jason@redhat.com>
5115 * tree-inline.c (copy_result_decl_to_var): New fn.
5116 (declare_return_variable): Use it. Call declare_inline_vars here.
5117 (expand_call_inline): Not here.
5119 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5121 * doc/contrib.texi: Update my entry.
5123 2006-09-06 Nick Clifton <nickc@redhat.com>
5125 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5127 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5130 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5131 (canonicalize_induction_variables): Likewise.
5132 (tree_unroll_loops_completely): Likewise.
5133 (tree_ssa_prefetch_arrays): Likewise.
5134 (remove_empty_loops): Likewise.
5135 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5136 TODO_cleanup_cfg instead of directly calling
5137 cleanup_tree_cfg_loop.
5138 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5140 (tree_unroll_loops_completely): Likewise.
5141 (remove_empty_loops): Likewise.
5142 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5143 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5144 of tree_ssa_unswitch_loops.
5145 (tree_ssa_loop_ivcanon): Use the return value of
5146 canonicalize_induction_variables.
5147 (tree_ssa_empty_loop): Use the return value of
5149 (tree_complete_unroll): Use the return value of
5150 tree_unroll_loops_completely.
5151 (tree_ssa_loop_prefetch): Use the return value of
5152 tree_ssa_prefetch_arrays.
5153 * passes.c (execute_todo): Before Cleanup CFG, set
5154 updating_used_alone and after cleanup CFG, call
5155 recalculate_used_alone.
5157 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5160 * tree-vect-transform.c (vectorizable_condition): Move the check
5161 for the type after the check for simple condition.
5163 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5164 Kaz Kojima <kkojima@gcc.gnu.org>
5167 * mode-switching.c (optimize_mode_switching): Make the destination
5168 block of an abnormal edge have no anticipatable mode. Don't
5169 insert mode switching code at the end of the source block of
5172 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5174 PR rtl-optimization/26847
5175 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5176 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5177 (simplify_plus_minus): Count n_constants while filling ops. Replace
5178 qsort with insertion sort. Before going through the array to simplify
5179 pairs, sort it. Delay early exit until after the first sort, exiting
5180 only if no swaps occurred. Simplify pairs in reversed order, without
5181 special-casing the first iteration. Pack ops after simplifying pairs.
5183 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5185 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5186 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5187 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5188 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5190 2006-09-05 Richard Guenther <rguenther@suse.de>
5192 PR tree-optimization/28900
5193 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5194 compound conditional before creating COND_EXPR condition.
5196 2006-09-05 Richard Guenther <rguenther@suse.de>
5198 PR tree-optimization/28905
5199 * tree-vrp.c (fix_equivalence_set): Manually implement
5200 !value_ranges_intersect_p to also handle symbolic ranges.
5202 2006-09-05 Richard Guenther <rguenther@suse.de>
5205 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5208 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5210 PR rtl-optimization/27616
5211 * cse.c (table_size): New static variable.
5212 (new_basic_block): Initialize it to 0.
5213 (remove_from_table): Decrement it.
5214 (insert): Increment it.
5215 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5216 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5217 fold_rtx_mem_1 if under the cap.
5218 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5219 the lookup of the equivalent expression and test for equality of the
5220 first operand of the equivalent expression before in turn looking up
5221 an equivalent constant for the second operand.
5223 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5226 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5227 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5228 pointer, instead of assuming it is possible to derive the
5229 correct args size from a call insn.
5231 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5234 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5235 (fold_builtin_mempcpy): Rename to...
5236 (fold_builtin_memory_op): ... this. Optimize one element copy
5238 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5240 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5241 (expand_builtin_memcpy, expand_builtin_mempcpy,
5242 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5243 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5244 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5245 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5247 2006-09-01 DJ Delorie <dj@redhat.com>
5249 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5250 (stzx_16): Likewise.
5251 ("stzx_24_<mode>"): Likewise.
5252 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5253 ("cmp<mode>_op"): New.
5254 (cmp<mode>): Change to expander; just save operands.
5256 (b<code>): Change to expander, emit compare here.
5257 (s<code>_op): Change to use split and expander.
5258 (s<code>_24_op): Likewise.
5259 (s<code>_<mode>): New.
5260 (s<code>_<mode>_24): New.
5261 (movqicc_<code>_<mode): New.
5262 (movhicc_<code>_<mode>): New.
5265 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5266 (m32c_pend_compare): New.
5267 (m32c_unpend_compare): New.
5268 (m32c_expand_scc): New.
5269 (m32c_expand_movcc): Emit the compare also.
5270 * config/m32c/predicates.md (mra_nopp_operand): New.
5272 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5273 Richard Guenther <rguenther@suse.de>
5274 Adam Nemet <anemet@caviumnetworks.com>
5277 * builtins.c (get_pointer_alignment): Handle more forms
5278 of base addresses that can be used to derive more precise
5279 information about alignment.
5281 2006-09-01 Jason Merrill <jason@redhat.com>
5284 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5287 * gimplify.c (voidify_wrapper_expr): Handle null type.
5289 2006-09-01 Josh Conner <jconner@apple.com>
5292 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5293 (execute_return_slot_opt): Use it.
5295 2006-08-31 Josh Conner <jconner@apple.com>
5298 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5299 returning aggregates.
5301 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5303 PR tree-optimization/28839
5304 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5305 blocks in that phi arguments appear.
5307 2006-08-31 Roger Sayle <roger@eyesopen.com>
5310 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5311 NULL, otherwise use an advance_loc4 to adjust relative to the
5313 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5314 (dwarf2out_switch_text_section): Reset the current label to avoid
5315 using advance_loc4 over section boundaries.
5317 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5320 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5321 r12 + SYMBOLIC_CONST.
5323 2006-08-30 Richard Guenther <rguenther@suse.de>
5325 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5327 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5329 PR rtl-optimization/27735
5330 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5331 Add new argument to keep track of whether an irreducible region
5332 was affected. All callers changed.
5333 (fix_irreducible_loops): Removed.
5334 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5335 flags were invalidated.
5337 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5339 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5340 instead of SF operands.
5341 (*fop_df_comm_sse): Likewise.
5342 (*fop_df_comm_i387): Likewise.
5343 (*fop_df_1_mixed): Likewise.
5344 (*fop_df_1_sse): Likewise.
5346 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5347 J"orn Rennecke <joern.rennecke@st.com>
5349 PR tree-optimization/17506
5350 * tree-ssa.c (warn_uninit): If warning about a location outside of
5351 the current function, note where the variable was declared.
5353 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5355 PR tree-optimization/28411
5356 * double-int.c (double_int_div): Use double_int_divmod.
5357 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5358 double_int_mod, double_int_smod, double_int_umod): New functions.
5359 * double-int.h (double_int_divmod, double_int_sdivmod,
5360 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5362 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5364 (get_computation_aff, get_computation_cost_at): Handle double_int
5365 return type of constant_multiple_of.
5367 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5370 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5371 an implicit conversion.
5373 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5375 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5377 2006-08-27 Roger Sayle <roger@eyesopen.com>
5379 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5382 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5384 * config/i386/crtfastmath.c: Fix a comment typo.
5386 2006-08-26 Roger Sayle <roger@eyesopen.com>
5388 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5389 temporary visit flags on CASE_LABEL_EXPRs.
5390 * c-common.c (match_case_to_enum): Add function comment. Avoid
5391 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5392 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5393 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5394 a constant, only warn if that constant value isn't handled.
5396 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5399 * input.h (restore_input_file_stack): Declare.
5400 (INPUT_FILE_STACK_BITS): Define.
5401 * toplev.c (fs_p, input_file_stack_history,
5402 input_file_stack_restored, restore_input_file_stack): New.
5403 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5404 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5405 (pop_srcloc): Don't free old state of stack.
5407 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5410 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5411 (PowerPC Type Attributes): New.
5413 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5415 * config/xtensa/xtensa.c (function_arg_boundary): New.
5416 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5418 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5419 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5421 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5424 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5427 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5429 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5430 (verify_local_live_at_start): Likewise.
5432 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5435 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5436 omp_add_variable): Treat sizes as variable whenever not
5439 2006-08-26 Richard Guenther <rguenther@suse.de>
5442 * fold-const.c (fold_binary): Fold temporary to correct
5443 type before constructing new comparison.
5445 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5448 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5449 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5451 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5454 * c-decl.c (start_function): Don't try to process prototype
5455 information from old declaration that isn't a function.
5457 2006-08-25 Jan Hubicka <jh@suse.cz>
5460 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5462 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5465 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5468 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5470 PR tree-optimization/16876
5471 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5472 exit if PARM doesn't match VALUE.
5474 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5476 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5477 literal_prefix directive.
5478 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5479 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5480 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5482 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5485 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5486 predicate to general_operand. Add 0->y and I->r alternatives.
5488 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5490 * doc/tm.texi: Fix a typo.
5491 * predict.c: Fix comment typos.
5493 2006-08-25 Nick Clifton <nickc@redhat.com>
5495 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5496 assertions of "cpu" and "machine".
5498 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5501 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5502 the access through a base which has an alias set of 0 cannot
5505 2006-08-24 Bill Wendling <wendling@apple.com>
5507 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5509 2006-08-24 Jan Hubicka <jh@suse.cz>
5511 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5513 2006-08-24 Jan Hubicka <jh@suse.cz>
5516 * cgraph.c: Fix comments.
5517 (cgraph_varpool_mark_needed_node): Mark only variables not already
5519 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5520 (cgraph_varpool_assembled_nodes_queue): New static variable.
5521 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5522 (cgraph_varpool_output_debug_info): New function.
5523 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5524 * Makefile.in: Add gt-cgraphunit.h
5526 2006-08-24 Jan Hubicka <jh@suse.cz>
5528 * predict.c (probability_reliable_p): New predicate.
5529 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5530 (predict_loops): Do not predict loop exit with less than 2%
5532 * basic-block.h (edge_probability_reliable_p,
5533 br_prob_note_reliable_p): Declare.
5534 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5535 prediction when static predictor is not reliable.
5536 * rs6000.c (output_cbranch): Likewise.
5538 2006-08-23 Stuart Hastings <stuart@apple.com>
5541 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5542 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5544 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5547 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5548 complex values, nor for generic vector values.
5550 2006-08-22 Richard Guenther <rguenther@suse.de>
5553 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5554 parameter. Convert arguments to arithmetic expression to the
5556 (analyze_scalar_evolution_1): Adjust caller.
5558 2006-08-22 Jan Hubicka <jh@suse.cz>
5560 Patch by Paolo Bonzini
5561 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5564 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5566 PR tree-optimization/28003
5567 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5568 before grouping aliases.
5570 2006-08-22 Roger Sayle <roger@eyesopen.com>
5572 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5573 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5575 2006-08-21 Jason Merrill <jason@redhat.com>
5578 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5579 wrapper. Loop to handle nested wrappers.
5580 (gimplify_bind_expr): Remove temp parameter.
5581 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5582 and STATEMENT_LIST on the rhs.
5583 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5584 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5585 (gimplify_target_expr): Remove special BIND_EXPR handling.
5587 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5589 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5592 2006-08-21 Olivier Hainque <hainque@adacore.com>
5594 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5595 Arrange for the temporary captures of components overlapping the lhs
5596 to happen before the lhs is possibly cleared.
5598 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5600 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5601 necessary places to pass the correct "number of registers" values
5604 2006-08-20 Jan Hubicka <jh@suse.cz>
5606 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5607 (create_name_tags): Instead of quadratic checking use hashtable.
5608 * bitmap.h: Include hashtab.h.
5609 (bitmap_hash): Declare.
5610 * bitmap.c (bitmap_hash): New function.
5612 2006-08-20 Jan Hubicka <jh@suse.cz>
5614 PR rtl-optimization/28071
5615 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5617 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5618 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5619 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5620 cgraph_decide_inlining_incrementally): Update use of
5621 cgraph_check_inline_limits.
5622 * cgraph.c (edge_hash, edge_eq): New function.
5623 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5624 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5625 cgraph_remove_node): Maintain call site hash.
5626 * cgraph.h (struct cgraph_node): Add call_site_hash.
5627 (cgraph_set_call_stmt): New function.
5629 2006-08-20 Jan Hubicka <jh@suse.cz>
5631 PR rtl-optimization/28071
5632 * reload1.c (reg_has_output_reload): Turn into regset.
5633 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5634 choose_reload_regs, emit_reload_insns): Update to new
5635 reg_has_output_reload.
5637 2006-08-20 Jan Hubicka <jh@suse.cz>
5640 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5641 function body sizes.
5642 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5644 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5647 * tree.c (handle_dll_attribute): Return early if not a
5648 var or function decl.
5650 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5653 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5654 alignment of SPE vector types.
5656 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5658 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5660 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5663 * cgraph.h (struct cgraph_node): Remove externally_visible
5665 * cgraphunit.c (process_function_and_variable_attributes): Set
5666 local.externally_visible rather than externally_visible.
5669 * c-common.c (handle_externally_visible_attribute): First look
5670 at TREE_CODE and only if it is function or var decl, check for
5671 non-public objects. Don't warn for DECL_EXTERNAL.
5672 * cgraphunit.c (process_function_and_variable_attributes): Warn
5673 if externally_visible attribute is used on non-public object.
5675 2006-08-17 Jan Hubicka <jh@suse.cz>
5677 PR tree-optimization/27865
5678 * reload1.c (forget_marked_reloads): New function.
5679 (forget_old_reloads_1): When data are passed, just mark the registers
5681 (reload_as_needed): Use the new mechanizm.
5683 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5686 * reload.h (reg_equiv_alt_mem_list): New declaration.
5687 * reload1.c (reg_equiv_alt_mem_list): New definition.
5688 (reload): Initialize it and release it.
5689 (delete_output_reload): Use it.
5690 * reload.c (push_reg_equiv_alt_mem): New function.
5691 (find_reloads_toplev): Call it.
5692 (find_reloads_address, find_reloads_address_1): Likewise.
5693 (find_reloads_subreg_address): Likewise.
5695 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5697 PR rtl-optimization/28489
5698 * sched-ebb.c (begin_schedule_ready): Create basic block
5700 (advance_target_bb): Skip empty blocks.
5701 * haifa-sched.c (bb_note): Make global.
5702 * sched-int.h (bb_note): Add prototype.
5704 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5706 PR tree-optimization/27865
5707 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5709 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5710 fold_used_pointer, pointer_used_p): New functions.
5711 (analyze_scalar_evolution_1): Use fold_used_pointer.
5712 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5713 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5716 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5719 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5720 or the INTEGER_CST. Fail on a CALL_EXPR.
5721 (fold_offsetof): Pass new argument to fold_offsetof_1.
5722 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5723 operand into an INDIRECT_REF.
5724 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5726 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5728 PR gcov/profile/26570
5729 * value-prof.c (static_values): Removed.
5730 (tree_find_values_to_profile): Do not set static_values.
5731 (find_values_to_profile): Do not free static_values.
5732 * profile.c (instrument_values): Do not free the values.
5733 (branch_prob): Free the values.
5735 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5737 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5739 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5742 * c-typeck.c (build_component_ref): Combine qualifiers of
5743 structure or union and field.
5745 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5747 PR rtl-optimization/28071
5748 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5749 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5750 * tree-into-ssa.c (struct dom_dfsnum): New.
5751 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5753 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5754 compute_global_livein.
5755 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5756 in phi nodes in the correct blocks.
5758 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5760 PR tree-optimization/28364
5761 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5763 (fold_affine_expr): New function.
5764 (may_eliminate_iv): Use fold_affine_expr.
5766 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5769 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5772 2006-08-16 Mike Stump <mrs@apple.com>
5774 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5775 * doc/cppopts.texi (-MD): Likewise.
5777 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5780 * c-common.c (handle_weak_attribute): Ignore and warn if
5781 not a FUNCTION_ or VAR_DECL.
5783 2006-07-15 Mike Stump <mrs@apple.com>
5786 * c-parser.c (c_parser_typeof_specifier): Don't use
5787 c_finish_expr_stmt, open code desired semantics instead.
5789 2006-08-15 Nick Clifton <nickc@redhat.com>
5791 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5792 fragment to tmake_file only if threads are enabled.
5793 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5794 * config/i386/t-gthr-win32: New file. ... here.
5796 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5799 * c-parser.c (c_parser_compound_statement_nostart): Reset
5800 parser->error after each statement.
5802 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5805 * omp-low.c (lower_omp_parallel): Convert t to
5806 receiver_decl's type.
5807 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5808 source before comparison.
5811 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5812 to itype in assignment to oldival2.
5814 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5818 * c-typeck.c (build_compound_expr): If the second expression
5819 is an error mark, then just return an error mark instead of
5820 creating a COMPOUND_EXPR.
5822 2006-07-14 Mike Stump <mrs@apple.com>
5824 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5826 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5828 * c-decl.c, var-tracking.c: Fix comment typos.
5830 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5832 PR rtl-optimization/28634
5833 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5834 for floating-point modes unless flag_unsafe_math_optimizations.
5836 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5837 Andrew Pinski <pinskia@physics.uc.edu>
5840 * tree.c (build_array_type): Unify array types with
5841 unspecified index_type.
5842 * c-decl.c (grokdeclarator): Make sure we do not modify a
5843 unified incomplete array type.
5844 * c-typeck.c (store_init_value): Create distinct type before
5845 filling in the index type in an initializer from a compound
5848 * c-decl.c (grokdeclarator): Remove code where we copy the
5851 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5853 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5854 into account for TODO_dump_cgraph.
5855 (TODO_update_ssa_no_phi): Likewise.
5856 (TODO_update_ssa_full_phi): Likewise.
5857 (TODO_update_ssa_only_virtuals): Likewise.
5858 (TODO_remove_unused_locals): Likewise.
5859 (TODO_set_props): Likewise.
5860 (TODO_update_stmt_usage): Likewise.
5862 2006-08-13 Dirk Mueller <dmueller@suse.de>
5864 * c-common.c (strict_aliasing_warning): Fix formatting.
5866 2006-08-13 Matthias Klose <doko@debian.org>
5868 * doc/invoke.texi: Fix spelling errors.
5870 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5872 PR rtl-optimization/23454
5873 * reorg.c (relax_delay_slots): Update comment.
5875 2006-08-11 Richard Guenther <rguenther@suse.de>
5878 * simplify-rtx.c (simplify_const_relational_operation):
5879 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5882 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5884 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5885 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5887 2006-08-10 Paul Brook <paul@codesourcery.com>
5889 * final.c (final_scan_insn): Clear current_insn_predicate before
5890 outputting inline asm.
5892 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5894 PR tree-optimization/26197
5895 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5896 get_ref_base_and_extent and overlap_subvar to add only relevant
5897 subvars as may-aliases.
5898 (add_may_alias_for_new_tag): New function, factored out of
5900 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5901 with additional argument.
5902 * tree-flow.h (new_type_alias): Takes additional argument.
5904 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5906 * gcov.c (no_data_file): New flag.
5907 (read_count_file): Set it if data file not present. Assume counts
5909 (output_lines): Don't name the data file, if there wasn't one.
5911 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5913 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5914 (rs6000_generate_compare): Tweak comments.
5915 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5917 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5919 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5920 (var_debug_decl): New function.
5921 (var_reg_set): Follow debug decl link. Add location even if
5922 reg is already known to hold some other variable.
5923 (var_mem_set): Follow debug decl link.
5924 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5925 decl link. Delete other known locations of the variable part
5927 (var_reg_delete, var_mem_delete): Delete other known locations
5928 of the variable part if requested.
5929 (same_variable_part_p): New function.
5930 (add_stores): Select MO_COPY when appropriate.
5931 (vt_initialize): Handle it.
5932 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5933 known locations for MO_SET and MO_CLOBBER.
5934 (find_variable_location_part): New function.
5935 (set_variable_part, delete_variable_part): Use it.
5936 (clobber_variable_part): New function.
5937 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5940 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5942 PR tree-optimization/26969
5943 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5944 with an empty list of PHIs.
5946 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5950 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5953 2006-08-06 Andreas Schwab <schwab@suse.de>
5955 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5956 string. Whitespace and comment fixup.
5958 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5961 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5965 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5968 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5970 2006-08-04 Jan Hubicka <jh@suse.cz>
5974 * reload.c (push_reload): Patch out the mismatching instruction;
5976 (find_reload): Bail out if the instruction was patched out.
5978 2006-08-04 Jan Hubicka <jh@suse.cz>
5980 PR tree-optimization/24888
5981 * tree-inline.c (expand_call_inline): Do not re-record variables.
5982 (declare_inline_vars): Add variable to unexpanded_var_list.
5984 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5985 Roger Sayle <roger@eyesopen.com>
5987 PR rtl-optimization/26244
5988 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5989 inner_const are negative or greater than or equal to the bitsize of
5990 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5991 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5992 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5993 CONST0_RTX (mode) when the new shift count is greater than or equal to
5994 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5997 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5999 * tree-cfg.c: Fix a comment typo.
6001 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6004 * varasm.c (output_constant): Give the front end another chance to
6005 expand constants, after stripping NOPs.
6007 2006-08-03 Jan Hubicka <jh@suse.cz>
6009 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6012 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6014 PR tree-optimization/27770
6015 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6016 declaration removed (moved to tree-flow.h).
6017 (vect_can_force_dr_alignment_p): Likewise.
6018 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6019 (moved from tree-vectorizer.h).
6020 (vect_can_force_dr_alignment_p): Likewise.
6021 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6022 from outside the vectorizer - in particular from cgraph stage.
6023 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6024 the alignment of global arrays when -fsection-anchors is enabled.
6025 * cgraphunit.c (cgraph_increase_alignment): New function.
6026 (cgraph_optimize): Call cgraph_increase_alignment.
6028 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6031 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6032 not reload a SPE symbol_ref into a lo_sum address.
6034 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6037 * dwarf2out.c (prune_unused_types_prune): Move call to
6038 prune_unused_types_update_strings to cover the parent DIE also.
6040 2006-08-02 Jan Hubicka <jh@suse.cz>
6042 PR gcov/profile/28480
6043 * tree-cfg.c (change_bb_for_stmt): New function.
6044 (tree_merge_blocks, tree_split_blocks): Use it.
6046 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6052 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6053 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6054 (cgraph_optimize): Likewise.
6056 2006-08-01 Stuart Hastings <stuart@apple.com>
6058 * rtl.h (UINTVAL) New.
6059 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6060 * testsuite/gcc.dg/20060801-1.c: New.
6062 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6065 * c-typeck.c (build_external_type): Mark used enum types.
6066 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6068 (gen_subprogram_die): Whitespace fix.
6070 2006-08-01 Jan Hubicka <jh@suse.cz>
6072 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6073 bitmap when not needed.
6074 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6077 2006-08-01 Dirk Mueller <dmueller@suse.de>
6079 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6081 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6083 * Makefile.in: Revert part of previous patch:
6084 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6087 2006-07-30 Eric Christopher <echristo@apple.com>
6090 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6091 (PowerPC Variable Attributes): New section.
6093 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6095 PR target/28126 (partial fix)
6096 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6098 2006-07-28 Jan Hubicka <jh@suse.cz>
6100 PR rtl-optimization/28071
6101 * cfgrtl.c (rtl_delete_block): Free regsets.
6102 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6104 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6106 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6107 and variables used in dependencies.
6109 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6111 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6112 %fs for -mcmodel=kernel.
6113 (stack_tls_protect_test_di): Likewise.
6115 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6117 * Makefile.in: Use mkinstalldirs.
6119 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6122 * opts-common.c (prune_options): Skip joined switches.
6124 2006-07-27 Jan Hubicka <jh@suse.cz>
6126 PR rtl-optimization/28071
6127 * cselib.c (cselib_process_insn): Don't remove useless values too
6128 often for very large hashtables.
6130 2006-07-27 Jan Hubicka <jh@suse.cz>
6132 PR rtl-optimization/28071
6133 * global.c (greg_obstack): New obstack.
6134 (allocate_bb_info): Use it.
6135 (free_bb_info): Likewise.
6136 (modify_reg_pav): Likewise.
6138 2006-07-27 Roger Sayle <roger@eyesopen.com>
6140 * builtins.c (fold_fixed_mathfn): When long and long long are the
6141 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6142 functions to their lceil*, lfloor*, lround* and lrint* forms.
6144 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6147 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6149 (rev_branch_insn): Likewise.
6151 2006-07-27 Jan Hubicka <jh@suse.cz>
6153 PR rtl-optimization/28071
6154 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6155 (reg_set_in_bb, max_reg_computed): New static variables.
6156 (regmove_optimize): Free the new array.
6157 (fixup_match_1): Update call of reg_is_remote_constant_p.
6159 2006-07-26 Jan Hubicka <jh@suse.cz>
6161 PR tree-optimization/27882
6162 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6164 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6166 (cgraph_analyze_compilation_unit): Likewise.
6167 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6168 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6169 (cgraph_early_inlinine): Make order garbage collected.
6170 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6172 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6174 * dbxout.c (output_types_sort): Add a comment.
6175 (output_used_types): Free the VEC.
6177 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6179 * function.c (reorder_fix_fragments): Delete.
6180 (reorder_blocks): Don't call it.
6181 (reorder_blocks_1): Put all subblocks under the origin block.
6183 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6185 PR rtl-optimization/27907
6186 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6189 2006-07-25 Roger Sayle <roger@eyesopen.com>
6192 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6193 bar(x) check that bar's result type can represent all the values of T.
6195 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6197 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6199 2006-07-25 Nick Clifton <nickc@redhat.com>
6201 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6202 size_lookup[] array.
6203 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6204 (ggc_pch_count_object): Likewise.
6205 (ggc_pch_alloc_object): Likewise.
6206 (ggc_pch_write_object): Likewise.
6207 (init_ggc): Do not attempt to initialize entries in the
6208 size_lookup[] array for objects whose size is greater than than
6209 the length of the array.
6211 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6213 * dbxout.c (output_used_types_helper): Push queued types
6215 (output_types_sort): New.
6216 (output_used_types): Collect used types on a VEC and sort them
6219 2006-07-24 Richard Guenther <rguenther@suse.de>
6222 * cgraph.c (cgraph_remove_node): Do not check if dumps
6224 * cgraphunit.c (cgraph_optimize): Likewise.
6226 2006-07-24 Jan Hubicka <jh@suse.cz>
6228 PR rtl-optimization/28071
6229 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6230 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6231 splitting before first stmt.
6233 2006-07-24 Jan Hubicka <jh@suse.cz>
6235 PR rtl-optimization/28071
6236 * ipa-inline.c (update_caller_keys): Remove edges that
6237 are no longer inline candidates.
6239 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6242 * dbxout.c (output_used_types_helper, output_used_types): New.
6243 (dbxout_symbol): Call output_used_types.
6245 2006-07-23 Jan Hubicka <jh@suse.cz>
6249 * cgraph.c (cgraph_varpool_nodes): Export.
6250 (decide_is_variable_needed): Ignored "used" attribute in
6251 unit-at-a-time mode.
6252 * cgraph.h (cgraph_varpool_nodes): Declare.
6253 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6254 unit-at-a-time mode.
6256 2006-07-23 Roger Sayle <roger@eyesopen.com>
6259 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6260 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6261 the __gthrw form of thr_keycreate.
6262 (__gthread_key_delete): Silence the unused argument warning.
6264 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6267 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6268 Cache the last found '\0' marker to avoid quadratic behavior.
6270 2006-07-23 Jan Hubicka <jh@suse.cz>
6272 * i386.md (subsi_3_zext): Fix output template.
6274 2006-07-21 Mike Stump <mrs@apple.com>
6276 * doc/invoke.texi (C++ Dialect Options): Note that
6277 -fvisibility-inlines-hidden doesn't affect explicitly
6278 instantiationed inline methods.
6280 2006-07-20 Roger Sayle <roger@eyesopen.com>
6282 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6283 if the target assembler is GNU binutils' gas.
6284 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6285 whether to pass GNU gas or native as command line options.
6287 2006-07-20 Jason Merrill <jason@redhat.com>
6289 * tree.c (remove_attribute): New fn.
6290 * tree.h: Declare it.
6292 2006-07-20 Paul Brook <paul@codesourcery.com>
6295 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6296 they are invalidated by this instruction.
6298 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6301 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6303 2006-07-20 Eric Christopher <echristo@apple.com>
6306 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6308 2006-07-19 Eric Christopher <echristo@apple.com>
6310 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6311 Rewrite dependencies for libgcc_s.1.dylib.
6313 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6315 * except.c (duplicate_eh_regions_1): Clear next_peer.
6317 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6319 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6320 -mlongcall does not guarantee all calls will be long.
6321 * doc/extend.texi (long_call/short_call): Document that longcall
6322 does not guarantee a long call will be used.
6323 (longcall/shortcall): Likewise.
6325 2006-07-18 Roger Sayle <roger@eyesopen.com>
6328 * expmed.c (expand_shift): Additionally check that the shift_cost
6329 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6330 before implementing a LSHIFT_EXPR as a sequence of additions.
6331 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6332 middle-end that DImode shifts need to be synthesized by expand.
6334 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6337 * tree-ssa-operands.c (access_can_touch_variable): Update
6339 Return true if ALIAS is .GLOBAL_VAR.
6341 2006-07-18 David Daney <ddaney@avtrex.com>
6343 * gcc.c (display_help): Fix typo in help text.
6345 2006-07-18 Olivier Hainque <hainque@adacore.com>
6347 * tree.h (categorize_ctor_elements): Adjust prototype and add
6348 descriptive comment, both in accordance with the interface change
6350 * varasm.c (constructor_static_from_elts_p): New function.
6351 Whether a constructor node is a valid static constant initializer
6352 if all its elements are.
6353 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6354 * output.h: Declare it.
6355 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6356 is a valid constant initializer instead of computing the number of
6357 non-constant elements. Use constructor_static_from_elts_p for this
6358 purpose. Replace the head comment with an indication that this is a
6359 helper for categorize_ctor_elements.
6360 (categorize_ctor_elements): Same interface change as for the _1
6361 helper. Former head comment from this helper moved here, adjusted to
6362 account for the interface changes.
6363 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6364 (all_zeros_p): Likewise.
6365 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6366 static versions of the constructor from the categorize_ctor_elements
6367 return value instead of the formerly computed number of non-constant
6370 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6372 * configure: Regenerate.
6373 * Makefile.in (build_libsubdir): New configure substitution
6374 (build_libobjdir): New variable.
6375 (BUILD_LIBIBERTY): Use it.
6377 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6380 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6382 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6385 * c-common.c (handle_weakref_attribute): Ignore attribute in
6386 the same conditions the alias attribute is ignored.
6388 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6390 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6391 (dbxout_begin_prologue): Increment scope_labelno.
6393 2006-07-17 Richard Henderson <rth@redhat.com>
6396 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6399 2006-07-17 Roger Sayle <roger@eyesopen.com>
6400 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6402 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6403 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6404 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6405 functions such as sbrk, write, etc.. Add function prototypes.
6406 Convert function declarations from K&R to ISO C. Cast pointers
6407 to "long" and "unsigned long" instead of "int" and "unsigned int".
6408 Convert tokens following #endif into comments.
6410 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6412 * invoke.texi: Remove mention of f77; Reformat table for
6413 inline parameter options correctly; mention that -malign-double
6414 is default on x86-64 targets.
6416 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6418 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6419 (convert_affine_scev, chrec_convert_aggressive): Use
6420 avoid_arithmetics_in_type_p. Do not check for the subtypes
6423 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6426 * optabs.c (expand_doubleword_shift): Wrap the call to
6427 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6429 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6432 * optabs.c (expand_binop): Pass next_methods rather than methods
6433 to expand_doubleword_shift.
6435 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6438 * tree.h (dump_addr): Declare.
6439 * print-tree.c (dump_addr): New function.
6440 (print_node_brief, print_node): Use it.
6441 * print-rtl.c (print_rtx): Likewise.
6442 * common.opt (-fdump-noaddr): New option.
6443 * doc/invoke.texi (-fdump-noaddr): Document.
6444 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6445 (ve_info_hash): Likewise.
6447 2006-07-13 Andrew Haley <aph@redhat.com>
6449 PR tree-optimization/19505
6450 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6451 edge leaving this block, make sure that the destination of this
6452 block has only one predecessor.
6454 2006-07-17 Richard Guenther <rguenther@suse.de>
6456 PR tree-optimization/28238
6457 * tree-inline.c (copy_bb): Check if we produced valid
6458 gimple copying and substituting a stmt. If not, gimplify
6461 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6463 * optabs.c (maybe_encapsulate_block): New function extracted from...
6464 (emit_libcall_block): ...here. Invoke it on the block of insns to
6465 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6466 (emit_no_conflict_block): Likewise.
6468 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6470 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6472 2006-07-15 Roger Sayle <roger@eyesopen.com>
6474 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6475 a new NOP_EXPR case of the switch statement.
6477 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6480 * stor-layout.c (place_field): Take the bit field with
6481 an excessive size into account in the ms-bitfiled case.
6484 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6485 the previous bit field.
6487 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6490 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6492 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6494 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6495 signal frames correctly even when the signal was installed with
6498 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6500 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6501 (dbxout_function_end): Use local label LFBB. Remove hook
6503 (dbxout_source_line): Use local label LFBB.
6504 (dbxout_block): Likewise.
6505 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6506 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6507 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6508 and DBX_OUTPUT_NFUN.
6510 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6512 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6514 2006-07-13 Jan Hubicka <jh@suse.cz>
6516 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6518 * output.h (align_variable): Declare.
6519 * varasm.c (align_variable): Export.
6520 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6521 when basic block changed.
6523 2006-07-13 Nick Clifton <nickc@redhat.com>
6525 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6526 walking the LOG_LINKS chain.
6528 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6530 * doc/invoke.texi (C++ Dialect Options): Explain difference
6531 between -fvisibility-inlines-hidden and setting hidden
6532 visibility explicitly.
6534 2006-07-12 Eric Christopher <echristo@apple.com>
6536 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6537 (stmp-lipo): Depend on libgcc.a.
6539 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6541 * tree.c: Fix a comment typo.
6543 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6545 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6547 (umulhisi3_r): Likewise.
6549 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6552 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6553 x < 19, vs wchar_t support.
6555 2006-07-12 Nick Clifton <nickc@redhat.com>
6557 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6558 instead of -isa=sh4.
6560 2006-07-12 Mike Stump <mrs@apple.com>
6562 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6564 2006-07-10 Eric Christopher <echristo@apple.com>
6566 * config/t-slibgcc-darwin: Rewrite.
6568 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6571 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6574 2006-07-08 Matthias Klose <doko@debian.org>
6576 * doc/sourcebuild.texi: Fix typo.
6578 2006-07-07 Mike Stump <mrs@apple.com>
6580 * toplev.c (process_options): Don't give -ffunction-sections may
6581 affect debugging warning for Mach-O.
6583 2006-07-07 James E Wilson <wilson@specifix.com>
6585 * config/mips/mips.md (cpu): Add sb1a.
6586 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6587 addition to sb1. Adjust comments to clarify SB-1A differences from
6589 (ir_sb1a_load): New. Modify bypasses to use it.
6590 (ir_sb1a_simple_alu): Likewise.
6591 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6592 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6593 (mips_issue_rate): Add PROCESSOR_SB1A.
6594 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6595 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6596 (TARGET_SB1): Add PROCESSOR_SB1A check.
6597 (TUNE_SB1): Likewise.
6599 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6600 * config/mips/mips.c (mips_store_data_bypass_p): New.
6601 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6602 store_data_bypass_p.
6604 2006-07-08 Paul Brook <paul@codesourcery.com>
6607 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6609 2006-07-07 Richard Guenther <rguenther@suse.de>
6612 * tree.h (build_one_cst): Declare.
6613 * tree.c (build_one_cst): New function.
6614 * tree-ssa-math-opts.c (get_constant_one): Remove.
6615 (insert_reciprocals): Use build_one_cst.
6616 * fold-const.c (fold_plusminus_mult): Likewise.
6618 2006-07-07 Roger Sayle <roger@eyesopen.com>
6620 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6621 * cfgloopanal.c (dump_graph): Likewise.
6622 * dojump.c (discard_pending_stack_adjust): Likewise.
6623 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6625 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6626 * function.c (finalize_block_changes): Likewise.
6627 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6628 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6629 * rtl.c (dump_rtx_statistics): Likewise.
6630 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6632 * varray.c (dump_varray_statistics): Likewise.
6633 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6634 decode_decimal64, encode_decimal128, decode_decimal128,
6635 decimal_real_to_decimal): Likewise.
6637 2006-07-07 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/28187
6640 * tree-vrp.c (vrp_operand_equal_p): New function.
6641 (vrp_bitmap_equal_p): Likewise.
6642 (update_value_range): Use them to compare old and new
6645 2006-07-06 Roger Sayle <roger@eyesopen.com>
6647 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6648 a default case to switch statement to silence compiler warnings.
6650 2006-07-06 Roger Sayle <roger@eyesopen.com>
6653 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6654 the configured assembler supports the x87's ffreep mnemonic.
6655 * configure: Regenerate.
6656 * config.in: Regenerate.
6658 * config/i386/i386.c (output_387_ffreep): New function.
6659 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6660 (output_387_reg_move): Likewise.
6662 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6664 Port to hosts whose 'sort' and 'tail' implementations
6665 treat operands with leading '+' as file names, as POSIX
6666 has required since 2001. However, make sure the code still
6667 works on pre-POSIX hosts.
6668 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6669 which says you should use "tail -c +N" rather than "tail +Nc".
6670 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6672 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6674 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6677 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6680 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6681 PRE_{INC,DEC} of TFmode.
6683 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6684 Alan Modra <amodra@bigpond.net.au>
6687 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6690 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6693 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6694 Remove duplicate gtu.
6696 2006-07-05 Jason Merrill <jason@redhat.com>
6700 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6701 * c-common.c (handle_packed_attribute): So don't copy it here.
6702 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6704 2006-07-05 Mike Stump <mrs@apple.com>
6706 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6708 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6711 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6713 2006-07-05 Richard Guenther <rguenther@suse.de>
6716 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6717 TARGET_SSE2 targets if using SSE math.
6718 (*absdf2_1): Likewise.
6720 2006-07-05 Richard Guenther <rguenther@suse.de>
6722 PR tree-optimization/28162
6723 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6724 make sure to convert the operands to the correct type.
6726 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6728 PR tree-optimization/28218
6730 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6731 to calculate and free the dominator information.
6733 2006-07-04 Peter O'Gorman <peter@pogma.com>
6735 * mklibgcc.in: chmod 644 before ranlib during install.
6737 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6738 J"orn Rennecke <joern.rennecke@st.com>
6740 * configure.ac (.eh_frame data check): Use diff -b.
6742 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6745 * Makefile.in (BUILD_RTL): Add build/vec.o.
6746 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6747 (build/genextract): Delete.
6748 (build/genautomata): Likewise.
6750 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6753 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6754 128-bit IBM long doubles for ABI_V4.
6756 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6758 * tree.c (range_in_array_bounds_p): New predicate.
6759 * tree.h (range_in_array_bounds_p): Declare it.
6760 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6761 return a less conservative answer.
6762 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6763 and flag 'is_group'.
6764 (IS_ELEMENT_FOR_GROUP): New macro.
6765 (FOR_EACH_ACTUAL_CHILD): Likewise.
6766 (next_child_for_group): New helper function.
6767 (can_completely_scalarize_p): Take into account groups.
6768 (sra_hash_tree): Handle RANGE_EXPR.
6769 (sra_elt_eq): Likewise.
6770 (lookup_element): Be prepared for handling groups.
6771 (is_valid_const_index): Delete.
6772 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6773 instead of is_valid_const_index.
6774 <ARRAY_RANGE_REF>: New case.
6775 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6776 is_valid_const_index.
6777 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6778 (scan_dump): Dump info for groups too.
6779 (decide_instantiation_1): Likewise.
6780 (decide_block_copy): Assert that the element is not a group.
6781 Propagate decision to groups.
6782 (generate_one_element_ref): Handle RANGE_EXPR.
6783 (mark_no_warning): Iterate over actual childs.
6784 (generate_copy_inout): Likewise.
6785 (generate_element_copy): Likewise.
6786 (generate_element_zero): Likewise.
6787 (generate_element_init_1): Likewise.
6788 (dump_sra_elt_name): Handle RANGE_EXPR.
6790 2006-07-03 Roger Sayle <roger@eyesopen.com>
6792 PR tree-optimization/26251
6793 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6794 (thread_block): When optimizing for size refuse to thread jumps
6795 that would require duplication of blocks other than redirection
6798 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6800 * configure.ac: Fix thinko in previous check-in.
6801 * configure: Regenerate.
6803 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6806 * configure.ac (for lang...): Simplify nesting of conditionals.
6807 Test subdir_requires for non-enabled languages. Move processing
6808 of lang_opt_files and lang_tree_fiels below that test.
6809 * configure: Regenerate.
6810 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6812 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6814 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6816 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6818 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6821 2006-06-29 Jason Merrill <jason@redhat.com>
6828 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6829 * c-common.c (c_determine_visibility): Handle it here.
6830 * c-decl.c (finish_decl): Call c_determine_visibility for
6832 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6834 * varasm.c (default_assemble_visibility): Likewise.
6835 * c-common.c (handle_visibility_attribute): Complain about trying
6836 to give visibility to an already defined class, or trying to change
6837 declared visibility. Always attach the attribute.
6842 * attribs.c (decl_attributes): Ignore type-in-place attributes
6843 once the type has been defined.
6845 2006-06-29 Roger Sayle <roger@eyesopen.com>
6848 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6849 to indicate the cpplib has issued an error message for us.
6851 2006-06-29 Asher Langton <langton2@llnl.gov>
6854 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6855 insert a label at the end of an function under Mach-O.
6857 2006-06-29 Eric Christopher <echristo@apple.com>
6858 Evan Cheng <evan.cheng@apple.com>
6860 * predicates.md (vector_all_ones_operand): New.
6861 (nonimmediate_or_sse_const_operand): Ditto.
6862 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6863 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6864 (standard_sse_mode_p): Ditto.
6865 (standard_sse_constant_p): Add case for -1 vector.
6866 (ix86_expand_vector_move): Try to use.
6867 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6868 Call standard_sse_constant_opcode.
6869 (*movv4sf_internal): Ditto.
6870 (*movv2df_internal): Ditto.
6872 2006-06-29 Roger Sayle <roger@eyesopen.com>
6874 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6875 of XEXP to extract the operands of a MATCH_CODE rtx.
6877 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6879 * tree.c (tree_size): Do not waste tail padding in
6880 struct tree_string and make the size be the same as
6881 build_string will generate.
6883 2006-06-28 Jason Merrill <jason@redhat.com>
6886 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6887 may_aliases already in the tag's annotations to the bitmap.
6889 2006-06-28 Roger Sayle <roger@eyesopen.com>
6891 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6893 2006-06-28 Roger Sayle <roger@eyesopen.com>
6895 * genpreds.c (generate_switch_p): New function.
6896 (add_mode_tests): Push the new mode test down inside an AND expr
6897 if this allows the switch-suitable MATCH_CODE to be near the root.
6898 (write_match_code_switch): New function to write a MATCH_CODE as
6900 (write_predicate_stmts): New function to write a predicate RTX
6901 expression as a sequence of statements.
6902 (write_one_predicate_function): Use write_predicate_stmts.
6903 (write_tm_constrs_h): Likewise.
6905 2006-06-26 Fred Fish <fnf@specifix.com>
6907 * config/mips/t-sb1: New file.
6908 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6911 2006-06-26 DJ Delorie <dj@redhat.com>
6913 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6915 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6916 Jayant Sonar <jayants@kpitcummins.com>
6917 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6919 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6920 (subsi3, subsi3_1, subsi3_2): New.
6921 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6922 * config/m32c/mov.md (SI mov peephole): New.
6923 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6924 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6926 2006-06-26 Olivier Hainque <hainque@adacore.com>
6928 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6929 a CALL_EXPR target function declaration.
6931 2006-06-26 Richard Guenther <rguenther@suse.de>
6933 * tree.c (build_string): Do not waste tail padding in
6936 2006-06-26 Richard Guenther <rguenther@suse.de>
6938 * ggc-page.c (init_ggc): Add missing element to size_lookup
6942 2006-06-23 Richard Guenther <rguenther@suse.de>
6944 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6945 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6946 alignment requests instead. Add verification code.
6947 Add struct tree_function_decl and struct tree_binfo size to
6948 extra_order_size_table. Add missing element to size_lookup
6951 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6954 * fold-const.c (const_binop): Be prepared for self returning zero.
6955 Simplify code handling complex values.
6957 2006-06-24 Olivier Hainque <hainque@adacore.com>
6959 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6960 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6963 2006-06-24 Olivier Hainque <hainque@adacore.com>
6965 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6966 ARRAY_REF, so have the callback called for the low bound expression.
6968 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6970 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6971 * c-typeck.c (c_common_type): Disallow operations on decimal float
6972 types and other float types.
6973 * convert.c (convert_to_real): Don't ignore conversions involving
6974 decimal float types.
6976 2006-06-23 Olivier Hainque <hainque@adacore.com>
6978 * tree.c (max_int_size_in_bytes): New function, inspired from
6979 code in function.c:assign_temp.
6980 * tree.h (max_int_size_in_bytes): Declare.
6981 * function.c (assign_temp): Use it.
6982 * gimplify.c (create_tmp_var): Relax the assertions on the type
6983 properties, not mandating constant size any more.
6984 (force_constant_size): New static function.
6985 (gimple_add_tmp_var): Use it, forcing variable size to a
6986 constant upper bound if it is not constant on entry.
6988 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6991 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6992 for initialization and setting of one_only flag to ...
6993 (i386_pe_encode_section_info): ...here.
6994 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6995 Recheck that the symbol has not been defined.
6997 2006-06-23 Richard Guenther <rguenther@suse.de>
6999 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7000 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7001 alignment requests instead. Add verification code.
7002 Add struct tree_function_decl and struct tree_binfo size to
7003 extra_order_size_table. Add missing element to size_lookup
7006 2006-06-22 Roger Sayle <roger@eyesopen.com>
7007 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7010 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7011 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7013 2006-06-23 Ben Elliston <bje@au.ibm.com>
7015 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7016 negate dn -- manipulate it directly.
7018 2006-06-22 Roger Sayle <roger@eyesopen.com>
7019 Steven Bosscher <stevenb.gcc@gmail.com>
7022 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7023 generated by gen_move_insn to add REG_LABEL notes if necessary.
7025 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7027 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7028 (leaf_entry): Remove use of MIN_ESA.
7030 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7032 PR rtl-optimization/28121
7033 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7036 2006-06-21 DJ Delorie <dj@redhat.com>
7038 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7040 (mulhisi3_r): Likewise.
7042 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7045 * coverage.c (coverage_counter_alloc): Leave the index type
7047 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7050 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7052 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7053 section from the "Options for Code Generation Conventions".
7055 2006-06-21 Richard Henderson <rth@redhat.com>
7059 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7061 (global_symbolic_operand): Allow weak symbols, even if local_p.
7063 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7065 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7066 (find_interesting_uses_address): Punt if above function returns true.
7068 2006-06-21 Richard Guenther <rguenther@suse.de>
7070 * configure: Regenerated.
7072 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7074 * config/mips/mips.c (function_arg): Where one part of a
7075 complex argument is in registers and the other part in the stack,
7076 return a REG not a PARALLEL.
7078 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7080 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7081 when cross-compiling. Do not substitute libstdcxx_incdir.
7082 * configure: Regenerated.
7084 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7086 * varasm.c (mergeable_string_section): Check for embedded NULs and
7087 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7088 rather than TREE_STRING_LENGTH bytes.
7090 2006-06-21 Richard Guenther <rguenther@suse.de>
7092 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7093 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7096 2006-06-21 Richrad Guenther <rguenther@suse.de>
7098 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7099 Limit iteration over the dominators.
7101 2006-06-20 Roger Sayle <roger@eyesopen.com>
7103 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7104 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7106 2006-06-20 Richard Guenther <rguenther@suse.de>
7107 Michael Matz <matz@suse.de>
7109 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7111 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7112 * et-forest.h (et_free_pools): Prototype new function.
7113 * et-forest.c (et_free_tree_force): Free parent occurrence.
7114 (et_free_pools): New function.
7115 * dominance.c (free_dominance_info): Free et-forest alloc
7118 2006-06-20 Roger Sayle <roger@eyesopen.com>
7120 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7121 integer modes, attempt to directly construct an integer constant.
7123 * fold-const.c (native_encode_vector): Determine the size of each
7124 element from the vector type instead of the first vector element.
7126 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7127 if all of its elements/components are constant.
7128 (build_constructor_from_list): Likewise.
7130 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7132 PR tree-optimization/27331
7133 * tree-data-ref.c (free_data_ref): New function.
7134 (create_data_ref): Fail if the data reference has unknown access
7136 (free_data_refs): Use free_data_ref.
7138 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7141 * tree-inline.c (setup_one_parameter): Strip useless
7142 type conversion before adding it to the IR.
7143 (declare_return_variable): Likewise.
7145 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7148 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7150 2006-06-19 Mike Stump <mrs@apple.com>
7152 * tree.c (variably_modified_type_p): VM arguments don't make the
7155 2006-06-19 Richard Guenther <rguenther@suse.de>
7157 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7158 type conversions after folding.
7160 2006-06-19 Richard Guenther <rguenther@suse.de>
7162 * ggc-page.c (extra_order_size_tab): Add entries with
7163 size of struct function and basic_block.
7164 (size_lookup): Extend to cover sizes up to 511.
7165 (ggc_alloc_stat): Adjust user.
7166 (ggc_pch_count_object): Likewise.
7167 (ggc_pch_alloc_object): Likewise.
7168 (ggc_pch_write_object): Likewise.
7170 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7172 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7173 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7176 2006-06-19 Denis Chertykov <denisc@overta.ru>
7178 * config/avr/libgcc.S : Correct my wrong previous commit.
7180 2006-06-19 Roger Sayle <roger@eyesopen.com>
7183 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7184 have stripped a SUBREG from the shift count, so we may need to
7185 convert_to_mode back to the type's mode before calling make_tree.
7186 Use new_amount instead of amount to avoid expanding a tree twice.
7188 2006-06-19 Richard Guenther <rguenther@suse.de>
7191 * fold-const.c (operand_equal_p): Check if the argument types
7192 have the same precision before stripping NOPs.
7194 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7196 Fix PR tree-optimization/27341
7197 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7199 * tree-complex.c (pass_lower_complex): Update SMT usage.
7201 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7203 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7204 Add a new alternative to the constraint strings. Add move of
7205 operand 1 to 3 to the splitter definition.
7206 ("doloop_si_long"): Second contraint alternative removed.
7208 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7210 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7211 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7213 (AVR_HAVE_MOVW) Define.
7214 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7215 (ASM_SPEC): Add avr25.
7216 (LINK_SPEC): Add avr25.
7217 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7218 (base_arch_s): Add new member 'have_movw_lpmx'.
7219 (avr_arch_types): Init 'have_movw_lpmx'.
7220 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7221 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7222 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7223 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7224 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7226 (avr_file_start): Do not output '.arh' derective.
7227 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7228 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7229 * config/avr/avr.md (mcu_enhanced): Delete.
7230 (mcu_have_movw): Define.
7231 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7232 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7233 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7234 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7235 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7236 attiny861 and at86rf401 devices.
7238 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7240 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7243 2006-06-17 Karl Berry <karl@gnu.org>
7245 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7246 doc/gccint.texi, doc/install.texi (@dircategory): Use
7247 "Software development" instead of "Programming", following
7248 the Free Software Directory.
7250 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7252 * config/i386/i386.c (legitimate_tls_address)
7253 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7254 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7255 (*tls_dynamic_gnu2_combine_64): Likewise.
7257 2006-06-16 Richard Guenther <rguenther@suse.de>
7260 * fold-const.c (negate_expr_p): Do not introduce undefined
7261 overflow in negating INTEGER_CSTs.
7262 (fold_negate_expr): Rename from negate_expr. Revert last
7263 change for folding BIT_NOT_EXPR. Change semantics to
7264 return NULL_TREE for non-simplified negations. Do not
7265 strip type conversions and unify type handling.
7266 (negate_expr): New function, wrap around fold_negate_expr
7267 but ensure building a tree always. Strip type conversions
7268 here, fold to result type.
7269 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7271 2006-06-16 Roger Sayle <roger@eyesopen.com>
7274 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7275 that (would) return their results in stack registers.
7277 2006-06-16 Michael Matz <matz@suse.de>
7278 Richard Guenther <rguenther@suse.de>
7280 * fold-const.c (fold_truthop): Only return new tree node if
7281 we canonicalized something.
7283 2006-06-16 Richard Guenther <rguenther@suse.de>
7285 * function.h (enum function_frequency): Move declaration
7286 out of struct function.
7287 (struct function): Move bool fields and the enum to the bitfield
7288 section. Reorder elements to avoid padding. Remove unused
7289 fields left over from the RTL inliner removal.
7290 * function.c (free_after_compilation): Do not zero removed fields.
7291 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7292 (ipa-type-escape.o): Likewise.
7294 2006-06-16 Richard Guenther <rguenther@suse.de>
7296 * cgraph.h (struct cgraph_local_info): Turn bool elements
7298 (struct cgraph_node): Likewise.
7299 (struct cgraph_varpool_node): Likewise.
7301 2006-06-15 Richard Guenther <rguenther@suse.de>
7303 * fold-const.c (fold_truth_not_expr): Rename from
7304 invert_truthvalue. Give it fold_* semantics to avoid
7306 (invert_truthvalue): New function. Wrapper around
7307 fold_truth_not_expr.
7308 (optimize_minmax_comparison): Avoid creating garbage.
7309 (fold_unary): Use fold_truth_not_expr for folding
7311 (fold_ternary): Replace uses of invert_truthvalue with
7312 fold_truth_not_expr where applicable.
7313 * tree.h (fold_truth_not_expr): Prototype.
7315 2006-06-16 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/27781
7318 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7319 * ipa-pure-const.c (target.h): Include.
7320 (analyze_function): Do not analyze functions that do not
7323 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7326 * tree-dfa.c (referenced_vars_dup_list): Remove.
7327 (find_referenced_vars): Remove assert.
7328 (referenced_var_check_and_insert): Replace dup list with assert.
7329 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7330 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7332 2006-06-15 Richard Guenther <rguenther@suse.de>
7334 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7335 extra unused identifiers if not dumping.
7336 (create_variable_info_for): Likewise.
7338 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7340 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7341 (derive_constant_upper_bound): Derive more precise upper bound in
7342 common cases. Return type changed to double_int.
7343 (record_estimate): Reflect the changed return type of
7344 derive_constant_upper_bound.
7345 * double-int.c (double_int_zext, double_int_sext): Fix.
7347 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7349 * configure.ac (CFLAGS): Get them from the toplevel or from the
7350 configure invocation.
7351 * configure: Regenerate.
7352 * Makefile.in (CFLAGS): Substitute value provided by configure.
7354 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7357 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7358 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7359 rather than calling add_stmt on it.
7360 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7362 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7365 * reload1.c (reload): Remove registers returned by update_eliminables
7366 from used_spill_regs.
7368 2006-06-13 DJ Delorie <dj@redhat.com>
7370 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7372 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7374 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7375 html__strip_dir, html__mkdir_p. Enhance install-html target.
7376 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7377 * configure: Regenerate.
7379 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7381 * fold-const.c (fold_cond_expr_with_comparison): Check for
7382 Objective-C++ as language in deciding COND_EXPR transformation.
7384 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7387 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7388 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7389 * config/sh/lib1funcs.h (SL, SL1): Define.
7390 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7391 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7392 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7393 (OBJS_Os_4_200): New variable.
7394 ($(T)libgcc-Os-4-200.a): Use it.
7395 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7396 when dividing 1 and/or by 0.
7398 2006-06-13 Roger Sayle <roger@eyesopen.com>
7400 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7401 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7402 * configure: Regenerate.
7404 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7406 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7407 for real instruction.
7409 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7412 * haifa-sched.c (check_cfg): Handle special case.
7414 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7417 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7418 Add debug_info parameter. Chain the vars to the BLOCK instead
7419 of the BIND_EXPR if debug info are requested for them.
7420 (pop_gimplify_context): Adjust for above change.
7421 (gimple_add_tmp_var): Likewise.
7422 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7424 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7425 (convert_local_reference): Likewise.
7426 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7427 (finalize_nesting_tree_1): Request that debug info be emitted
7428 for debug_var_chain.
7430 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7432 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7433 for PR target/27863.
7435 2006-06-13 Richard Guenther <rguenther@suse.de>
7438 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7440 2006-06-13 Richard Guenther <rguenther@suse.de>
7442 PR tree-optimization/27830
7443 * tree-inline.c (copy_body_r): For copying the operand
7444 of an ADDR_EXPR make sure to fold &* afterwards.
7446 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7448 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7449 lvalues in the fb_none case with side-effects.
7451 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7453 * tree-flow.h: Remove the prototype for
7454 compute_phi_arg_on_exit.
7455 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7456 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7459 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7461 * builtins.c (expand_builtin_return_addr): Only use
7462 frame_pointer_rtx when count == 0 and we are expanding
7463 __builtin_return_address.
7465 2006-06-12 Fred Fish <fnf@specifix.com>
7467 * config/mips/mips.c (mips_file_start): Create special section
7468 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7470 2006-06-11 Eric Christopher <echristo@apple.com>
7473 * stor-layout.c (place_field): Remove check for
7474 remaining_in_alignment when aligning at the end of a run.
7476 2006-06-11 Eric Christopher <echristo@apple.com>
7479 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7482 2006-06-11 Roger Sayle <roger@eyesopen.com>
7485 Revert incorrect fix for PR target/27158
7486 2006-05-08 Roger Sayle <roger@eyesopen.com>
7487 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7488 of a reg_equiv_constant if the result is a legitimate constant.
7490 2006-06-11 Roger Sayle <roger@eyesopen.com>
7493 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7494 extract a CONST_VECTOR element and interpret it as an integer.
7495 (vspltis_constant): Use const_vector_elt_as_int instead of the
7496 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7497 * config/rs6000/predicates.md (easy_vector_const): Consider
7498 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7500 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7503 * stor-layout.c (update_alignment_for_field): Don't add extra
7504 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7507 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7509 * config/mips/t-rtems: Add EL/EB multilib variants.
7511 2006-06-09 Mike Stump <mrs@apple.com>
7513 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7515 2006-06-09 David Daney <ddaney@avtrex.com>
7517 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7519 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7521 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7523 2006-06-09 Richard Guenther <rguenther@suse.de>
7525 PR tree-optimization/26998
7526 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7527 of signed types, only TYPE_MIN_VALUE is special, but for both,
7528 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7529 in this case, as is -fwrapv.
7531 2006-06-08 Mike Stump <mrs@apple.com>
7534 * config/darwin.c (darwin_asm_output_anchor): Disable
7535 -fsection-anchors on darwin for now.
7536 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7537 * rs6000/rs6000.c (optimization_options): Likewise.
7539 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7542 * config/i386/i386.c (classify_argument): Skip fields with invalid
7545 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7547 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7548 (cse_insn): Likewise for the stack_pointer_rtx.
7550 2006-06-08 Roger Sayle <roger@eyesopen.com>
7552 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7553 conditions from floating point comparisons.
7555 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7558 * expmed.c (struct alg_hash_entry): Fix type of field T
7559 to match synth_mult argument.
7560 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7562 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7565 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7568 2006-06-08 Richard Guenther <rguenther@suse.de>
7571 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7572 only, if overflow is defined and not trapping.
7573 (negate_expr): Likewise.
7575 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7577 PR tree-optimization/27872
7578 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7579 flag on the new exit edge of the unrolled loop.
7581 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7583 PR rtl-optimization/26449
7584 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7586 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7589 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7590 referenced_variables with matching DECL_UID's.
7591 (find_referenced_vars): Make sure duplicate list is empty to start.
7592 (referenced_var_p): Remove.
7593 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7594 Check if var is in the list, and add if needed. Update the duplicate
7595 list if a different var is in the list with the same DECL_UID.
7596 (add_referenced_var): Call routine to check and insert.
7597 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7598 * tree-flow.h (referenced_vars_dup_list): External declaration.
7600 2006-06-07 Fred Fish <fnf@specifix.com>
7602 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7605 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7608 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7609 the imaginary and real parts of a clobbered register.
7610 Emit insn to set the imaginary part.
7612 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7614 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7615 in lieu of unwind-dw2-fde.c.
7617 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7619 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7621 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7624 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7625 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7626 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7627 V4SImode temporaries and operations instead.
7629 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7631 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7634 2006-06-06 Mike Stump <mrs@apple.com>
7636 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7637 installing during build.
7639 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7641 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7643 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7644 * config/ia64/ia64.c (params.h): New header.
7645 (ia64_optimization_options): New function to adjust parameters.
7646 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7647 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7648 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7650 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7652 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7654 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7657 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7659 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7660 Victor Kaplansky <victork@il.ibm.com>
7662 PR tree-optimization/26360
7663 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7666 2006-06-04 Roger Sayle <roger@eyesopen.com>
7667 Andrew Pinski <pinskia@physics.uc.edu>
7670 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7671 for LABEL_DECL before calling DECL_WEAK.
7674 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7675 LABEL_DECL and PARM_DECL.
7677 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7681 * c-decl.c (grokdeclarator): Disallow variably modified types at
7682 file scope. Avoid marking shared array type of constant size as
7685 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7688 * c-common.c (fold_offsetof_1): Handle static members.
7690 2006-06-04 Eric Christopher <echristo@apple.com>
7692 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7693 (debug_rli): Output value for remaining_in_alignment.
7694 (update_alignment_for_field): Unconditionalize
7695 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7696 extra alignment code.
7697 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7698 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7699 * tree.h (record_layout_info_s): Remove prev_packed.
7700 * doc/extend.texi (ms_struct): Add documentation of format.
7702 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7704 * tree.h: Declare folding_initializer.
7705 * builtins.c (fold_builtin_constant_p): Give definite answer
7706 if folding inside an initializer.
7707 * fold-const.c: Define folding_initializer.
7708 (START_FOLD_INIT): Save and then set folding_initializer.
7709 (END_FOLD_INIT): Restore folding_initializer.
7711 2006-06-04 Richard Guenther <rguenther@suse.de>
7713 PR tree-optimization/27039
7714 * fold-const.c (fold_comparison): Handle pointer comparison
7715 again for all comparison codes. Compare offsets in signed
7717 (fold_binary): Move code from here.
7719 2006-06-03 Roger Sayle <roger@eyesopen.com>
7722 * config/i386/i386.c (construct_container): Split static issued_error
7723 flag into issued_sse_arg_error, issued_sse_ret_error and
7724 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7725 requires the use of x87 registers and the user explicitly
7726 specified the -mno-80387 command line option.
7728 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7730 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7731 HAVE_DECL_SIGALTSTACK.
7733 (segv_handler): Use MC_FLD.
7734 * configure.ac: Check for a sigaltstack declaration.
7735 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7736 * configure: Regenerate.
7737 * config.in: Regenerate.
7739 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7742 * Makefile.in (stmp-fixinc): Fix typo.
7744 2006-06-02 Roger Sayle <roger@eyesopen.com>
7746 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7747 are type correct. Clean-up.
7748 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7749 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7751 2006-06-01 DJ Delorie <dj@redhat.com>
7753 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7754 shift, as we've disabled the "switch" insn that needs it.
7756 2006-06-01 Per Bothner <bothner@bothner.com>
7758 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7759 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7760 * c-ppoutput.c (cb_define): Don't increment line 0.
7762 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7764 * doc/invoke.texi: Add cpu_type power6.
7765 * config.gcc: Add cpu_type power6.
7766 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7767 to power5+ with Altivec.
7768 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7769 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7771 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7773 * config/avr/avr.h (SET_ASM_OP): Define.
7775 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7777 * config/bfin/bfin.c: Fix comment typos.
7779 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7782 * doc/install.texi: Document --enable-bootstrap and
7783 --disable-bootstrap.
7785 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7787 * doc/install.texi: Document that InfoZIP can replace jar.
7789 2006-05-31 Roger Sayle <roger@eyesopen.com>
7791 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7792 isn't available, directly generate the simpler x87 patterns without
7793 the (use (const_int 0)).
7794 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7795 implementation isn't available.
7796 (*negdf2_1): Likewise.
7797 (*negxf2_1): XF mode negation is always done using the x87.
7798 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7800 2006-05-31 Roger Sayle <roger@eyesopen.com>
7802 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7803 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7805 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7807 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7809 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7810 * config/bfin/bfin.c (basic-block.h): Include.
7811 (struct machine_function): New.
7812 (bfin_init_machine_status): New.
7813 (override_options): Initialize init_machine_status.
7814 (bfin_hardware_loop): New.
7815 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7816 (DEF_VEC_P (loop_info)): New.
7817 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7818 (struct loop_info): New.
7819 (loop_info): New typedef.
7820 (struct loop_work): New.
7821 (loop_work): New typedef.
7822 (DEF_VEC_O (loop_work)): New.
7823 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7824 (bfin_dump_loops): New.
7825 (bfin_bb_in_loop): New.
7826 (bfin_scan_loop): New.
7827 (bfin_optimize_loop): New.
7828 (bfin_reorg_loops): New.
7829 (bfin_reorg): Use bfin_reorg_loops.
7830 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7832 (I_REGNO_P): Simplify.
7833 (DP_REGNO_P, DPREG_P): New macros.
7834 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7835 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7836 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7837 Add LT_REGS, LC_REGS, LB_REGS.
7838 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7840 (REGNO_REG_CLASS): Deal with loop registers.
7841 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7843 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7844 New constants for loop registers.
7845 (UNSPEC_LSETUP_END): New.
7846 (seq_insns): New define_attr. Set it for appropriate insns.
7847 (movsi_insn): Add alternatives for move from/to
7848 loop count registers.
7849 (doloop_end): New define_expand.
7850 (loop_end): New define_insn.
7851 (define_split for bad doloop_end): New.
7852 (lsetup_with_autoinit): New define_insn.
7853 (lsetup_without_autoinit): New define_insn.
7854 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7855 * config/bfin/predicates.md (lc_register_operand): New.
7856 (lt_register_operand): New.
7857 (lb_register_operand): New.
7858 (nondp_register_operand): New.
7859 (nondp_reg_or_memory_operand): New.
7860 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7862 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7864 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7865 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7867 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7869 * Makefile.in (CATALOGS): Add po/ prefix.
7870 * configure: Regenerated.
7872 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7875 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7876 a shift operand before calling shift_op. Avoid redundant call of
7879 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7880 DJ Delorie <dj@redhat.com>
7882 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7883 we're inserting is a singlt-bit constant.
7885 2006-05-30 Roger Sayle <roger@eyesopen.com>
7887 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7888 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7890 2006-05-30 Roger Sayle <roger@eyesopen.com>
7892 PR tree-optimization/23452
7893 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7894 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7895 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7896 complex values and with -ffast-math for FP complex values.
7898 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7900 * c-common.h: Remove the prototype for yyparse.
7901 * rtl.h: Remove the prototype for init_loop.
7903 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7905 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7908 2006-05-30 Roger Sayle <roger@eyesopen.com>
7910 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7912 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7913 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7915 2006-05-30 Dirk Mueller <dmueller@suse.de>
7918 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7919 for CONSTANT_CLASS_P expresisons.
7921 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7924 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7926 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7928 PR tree-optimization/27779
7929 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7930 initial_condition instead of CHREC_LEFT.
7932 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7934 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7935 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7936 Make prototypes ISO C90.
7938 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7939 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7941 * see.c (see_analyze_one_def): Correct check.
7942 (see_get_extension_data): Check if extension is parallel.
7943 (see_get_extension_reg): Likewise.
7945 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7948 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7949 into register for (code == GTU).
7951 2006-05-29 Roger Sayle <roger@eyesopen.com>
7953 PR tree-optimization/24964
7954 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7955 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7956 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7957 abs(x)*abs(x) as x*x for scalar floating point modes.
7959 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7962 * lambda-code.c (perfect_nestify): Don't copy statements
7963 in the inner loop: move them to the inner loop header.
7965 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7968 * c-tree.texi: Document OpenMP directives and clauses.
7970 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7972 * varasm.c (globalize_decl): Fix indentation.
7974 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7977 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7978 pass_fre, pass_store_ccp, pass_copy_prop,
7979 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7980 pass_return_slot, pass_object_size, pass_lim,
7981 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7982 pass_loop_prefetch and pass_stdarg.
7984 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7986 * config/bfin/bfin.opt (mfdpic): New option.
7987 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7988 (EXTRA_MULTILIB_PARTS): Likewise.
7989 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7990 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7992 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7993 (CRT_CALL_STATIC_FUNCTION): New.
7994 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7996 (CRT_CALL_STATIC_FUNCTION): New.
7997 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7999 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8000 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8001 (initialize_trampoline): Changed to handle FD-PIC code generation.
8002 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8003 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8004 (override_options): Disallow -mid-shared-library -mfdpic combination.
8005 Can't do unaligned ops if FD-PIC.
8006 Turn off flag_pic if trying to generate non-id-shared-library
8007 non-fdpic code, since it's not supported.
8008 (bfin_assemble_integer): New function.
8009 (TARGET_ASM_INTEGER): Define.
8010 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8012 * config/bfin/crtn.s: Restore them.
8013 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8015 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8016 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8017 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8018 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8019 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8021 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8022 FDPIC_REGS and FDPIC_FPTR_REGS.
8023 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8024 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8025 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8026 (load_funcdescsi): New pattern.
8027 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8028 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8029 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8031 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8033 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8036 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8038 * tree-flow.h: Remove the prototype for add_type_alias.
8039 * tree-ssa-alias.c (add_type_alias): Remove.
8041 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8043 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8044 config/fr30/fr30.md, config/i386/i386-interix.h,
8045 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8046 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8047 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8048 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8049 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8050 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8051 Follow spelling conventions.
8052 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8053 Follow spelling conventions.
8055 2006-05-27 Richard Guenther <rguenther@suse.de>
8058 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8059 to produce a constant of value 1 of generic type.
8061 2006-05-27 Dirk Mueller <dmueller@suse.de>
8063 * cgraphunit.c (decide_is_function_needed): Fix wrong
8066 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8068 PR rtl-optimization/27661
8069 * reload.c (find_reloads): When reloading a VOIDmode constant
8070 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8071 use Pmode as mode of the reload register.
8073 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8075 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8076 is enabled at -O and above.
8078 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8081 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8084 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8087 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8088 for anonymous variables explicitly declared by front ends.
8090 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8092 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8093 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8094 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8095 ref-all pointers, run a finalization pass for them.
8096 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8097 (finalize_ref_all_pointers): New function.
8098 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8099 regular pointer type to a ref-all pointer type.
8100 (get_tmt_for): Return the special memory tag for ref-all pointers.
8102 2006-05-25 Richard Guenther <rguenther@suse.de>
8105 * fold-const.c (fold_binary): Do not look at the stripped
8106 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8108 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8110 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8111 for LT and GT if the computed range is effectively empty.
8113 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8116 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8117 mips_quad_format formats instead of ieee_single_format,
8118 ieee_double_format and ieee_quad_format formats, respectively.
8120 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8122 PR tree-optimization/27639
8123 PR tree-optimization/26719
8124 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8125 call to scev_probably_wraps_p.
8126 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8127 used_in_pointer_arithmetic_p, convert_step): Removed.
8128 (nowrap_type_p): New function.
8129 (scev_probably_wraps_p): Rewritten.
8130 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8131 chrec_convert if chrec_convert_aggressive might have been used.
8132 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8133 scev_direction): New functions.
8134 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8135 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8136 instead of convert_step.
8137 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8138 (convert_step): Declaration removed.
8139 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8141 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8143 * df-core.c: Added to header comments.
8144 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8145 df_ur_bb_info, df_urec_bb_info): Added comments.
8146 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8147 urec, ri problems): Fixed header comments.
8148 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8149 code from df_rd_transfer_function.
8151 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8153 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8154 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8155 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8157 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8159 * expr.c (undefined_operand_subword_p): New.
8160 (emit_move_multi_word): Do not generate move from undefined bits
8161 of a paradoxical subreg.
8163 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8165 PR rtl-optimization/27736
8166 * combine.c (replaced_rhs_value): New variable.
8167 (combine_instructions): Set it.
8168 (distribute_notes): When distributing a note in replaced_rhs_insn,
8169 check whether the value was used in replaced_rhs_value.
8171 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8174 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8175 add_referenced_var instead of add_referenced_tmp_var.
8176 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8177 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8179 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8180 tree_optimize_tail_calls_1): Use add_referenced_var.
8181 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8182 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8183 Use add_referenced_var.
8184 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8185 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8186 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8187 Use add_referenced_var.
8188 * tree-dfa.c (struct walk_state): Remove.
8189 (find_referenced_vars): Remove walk state and vars_found hash table.
8190 (make_rename_temp): Use add_referenced_var.
8191 (find_vars_r): Pass less parameters to add_referenced_var.
8192 (referenced_var_p): New. Is var in referenced_var hash table.
8193 (referenced_var_insert): Assert var isn't already in hash table.
8194 (add_referenced_var): Don't need walk_state parameter. Add var if it
8195 isn't already in the hash table.
8196 (add_referenced_tmp_var): Remove.
8197 (find_new_referenced_vars_1): Use add_referenced_var.
8198 * tree-ssa-pre.c (create_expression_by_pieces,
8199 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8200 Use add_referenced_var.
8201 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8202 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8203 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8205 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8206 vect_create_data_ref_ptr, vect_create_destination_var,
8207 vect_init_vector, vect_build_loop_niters,
8208 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8209 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8210 Use add_referenced_var.
8211 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8212 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8213 (add_referenced_var): Add prototype.
8214 * tree-ssa-structalias.c (get_constraint_for,
8215 intra_create_variable_infos): Use add_referenced_var.
8217 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8219 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8220 big-endian paradoxical subregs.
8221 * var-tracking.c (struct micro_operation_def): Document that,
8222 for modify micro operations, insn is the subsequent instruction.
8223 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8224 (var_reg_set, var_mem_set): ... new functions.
8225 (add_stores): Record subsequent insn.
8226 (compute_bb_dataflow): Use new functions for MO_USE.
8227 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8228 notes after the insn, and modify notes before the insn known
8229 to be the subsequent one.
8230 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8232 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8235 * config/i386/i386.c (ix86_expand_builtin): Use
8236 gen_sse3_monitor64 for TARGET_64BIT.
8238 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8240 PR rtl-optimization/26375
8241 PR rtl-optimization/26855
8242 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8244 (df_ru_bb_local_compute): Reversed statements and removed bogus
8245 comment explaining why they should be in wrong order.
8246 (df_ru_dump, df_rd_dump): Enhanced debug info.
8247 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8249 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8250 reaching uses and fixed space problem.
8252 2006-05-23 Jan Hubicka <jh@suse.cz>
8254 * cgraphunit.c (decide_is_function_needed): Also nested functions
8255 and functions declared inline can be optimized out at -O0.
8257 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8259 * doc/install.texi (Configuration): Remove reference to CrossGCC
8263 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8266 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8267 ix86_compare_emitted is non-NULL.
8269 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8272 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8275 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8277 PR rtl-optimization/25514
8278 * combine.c (replaced_rhs_insn): New variable.
8279 (combine_instructions): Set replaced_rhs_insn when trying to replace
8280 a SET_SRC with a REG_EQUAL note.
8281 (distribute_notes): Use replaced_rhs_insn when determining the live
8282 range of a REG_DEAD register.
8284 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8285 Anatoly Sokolov <aesok@post.ru>
8287 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8288 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8289 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8290 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8291 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8292 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8293 at90usb647, at90usb1286 and at90usb1287 devices.
8294 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8295 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8297 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8299 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8301 2006-05-22 Richard Guenther <rguenther@suse.de>
8304 2006-01-31 Richard Guenther <rguenther@suse.de>
8305 Paolo Bonzini <bonzini@gnu.org>
8307 * doc/install.texi (--disable-libgcc-math): Document.
8309 2006-05-22 Richard Guenther <rguenther@suse.de>
8312 2006-01-31 Richard Guenther <rguenther@suse.de>
8314 * doc/invoke.texi (-msselibm): Document.
8315 * target.h (expand_library_builtin): New target hook.
8316 * builtins.c (expand_builtin): Use expand_library_builtin.
8317 (default_expand_library_builtin): New function.
8318 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8319 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8320 (link_gcc_math_spec): Declare.
8321 (static_specs): Add link_gcc_math_spec.
8322 * expr.h (default_expand_library_builtin): Declare.
8323 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8324 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8325 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8326 * config/i386/i386.opt (msselibm): New target option.
8327 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8328 (ix86_init_sse_abi_builtins): New function.
8329 (ix86_expand_library_builtin): Likewise.
8330 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8331 (override_options): Handle error conditions wrt -msselibm.
8332 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8333 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8334 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8337 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8340 * c-common.c (self_promoting_args_p): Skip erroneous args.
8343 * c-decl.c (finish_struct): Skip erroneous fields.
8345 2006-05-22 Nick Clifton <nickc@redhat.com>
8347 * config/cris/cris.opt (march): Remove VarExists attribute.
8348 (max-stackframe=): Likewise.
8350 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8352 * doc/rtl.texi: Fix a typo.
8353 * see.c: Fix comment typos.
8355 * tree-ssa-structalias.h (alias_info): Remove num_references.
8357 2006-05-21 Mike Stump <mrs@apple.com>
8359 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8361 (darwin_pragma_options): Use BAD instead.
8362 (darwin_pragma_unused): Likewise.
8363 (darwin_pragma_ms_struct): Likewise.
8365 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8367 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8369 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8371 PR rtl-optimization/27671
8372 * simplify-rtx.c (simplify_relational_operation_1): Fix
8373 simplifications of (eq/ne (xor x y) y) and
8374 (eq/ne (xor x y) x).
8376 PR tree-optimization/26622.
8377 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8380 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8382 * tree-cfg.c: Prune whitespace.
8383 (debug_tree_cfg): Point to correct header containing the
8386 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8389 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8391 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8394 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8395 or sorry count is non zero.
8397 2006-05-20 Andreas Schwab <schwab@suse.de>
8399 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8401 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8402 Kenneth Zadeck <zadeck@naturalbridge.com>
8404 PR rtl-optimization/26855
8406 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8408 (df_scan_alloc): Added code to properly handle multiword hard
8409 registers and add all_blocks parameter.
8410 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8411 code to properly handle multiword hard registers.
8412 (df_rescan_blocks): Added code to remove deleted blocks from
8414 (df_ref_create_structure, df_ref_record): Added code to properly
8416 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8417 and set DF_REF_PARTIAL.
8418 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8419 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8420 (df_scan_add_problem): Added flags parameter.
8421 (df_ref_create_structure): Changed switching structure.
8422 (df_bb_refs_record): Fixed case where duplicate artificial refs
8423 were created. Changed location of flags.
8424 (df_record_entry_block_defs): Added code to make stack pointer
8425 live in entry block. Refined cases where frame pointer is needed.
8426 Changed location of flags.
8427 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8428 (df_set_state): Removed function.
8429 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8430 df_insn_create_insn_record, df_insn_refs_delete,
8431 df_ref_create_structure): Formatting changes.
8432 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8433 df_delete_basic_block): New function.
8434 (df_init): Changed location of flags.
8435 (df_add_problem): Added flags parameter and the way flags are
8437 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8438 debug_df_chain): Improved debugging output.
8439 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8440 (df_refs_chain_dump): Removed df parameter.
8441 (df_iterative_dataflow): Added consistency check.
8442 (df_prune_to_subcfg): Made public.
8443 (df_analyze_problem): Added blocks_to_init parameter and made
8445 (df_ref_record, df_bb_refs_record, df_mark_reg,
8446 df_record_exit_block_uses): Whitespace changes.
8447 (df_dump): Whitespace changes.
8448 * df.h: Some reordering to remove forward references.
8449 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8450 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8451 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8452 (dataflow.flags): New field.
8453 (df.flag): Deleted field.
8454 (df_alloc_function): Added additional bitmap parameter.
8455 (df_dependent_problem_function): New type.
8456 (df_problem.changeable_flags): New field.
8457 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8458 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8459 (df_mw_hardreg): New struct.
8460 (DF_INSN_UID_MWS): New macro.
8461 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8463 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8464 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8465 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8466 (df_set_state): Removed function.
8467 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8468 * df-problems.c (df_chain_dump): Removed df parameter.
8469 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8470 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8472 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8473 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8474 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8475 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8476 DF_REF_MUST_CLOBBER cases.
8477 (df_ru_bb_local_compute_process_def,
8478 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8479 df_lr_bb_local_compute, df_ur_bb_local_compute,
8480 df_chain_create_bb): Made subreg aware.
8481 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8482 df_lr_bb_local_compute, df_lr_bb_local_compute,
8483 df_chain_create_bb): Cleanup to use proper macros.
8484 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8485 code to fixup bitvectors.
8486 (df_ri_alloc): Cleared lifetime.
8487 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8488 df_create_unused_note): New function.
8489 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8490 REG_DEAD and REG_UNUSED notes as well as register information.
8491 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8492 df_chains_dump): Fixed crash if problem was never run.
8493 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8494 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8495 df_ri_add_problem): Processes flags in uniform manner.
8496 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8497 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8498 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8499 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8500 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8501 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8502 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8503 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8504 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8505 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8506 * see.c (see_initialize_data): Ditto.
8507 * final.c (rest_of_clean_state) Added regstack_completed.
8508 * rtl.h (regstack_completed): Ditto.
8509 * reg-stack.c (regstack_completed): Ditto.
8511 2006-05-19 Mike Stump <mrs@apple.com>
8513 * c-tree.h (default_conversion): Remove.
8514 * c-common.h (default_conversion): Add.
8516 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8518 * tree-vrp.c (valid_value_p): New function.
8519 (adjust_range_with_scev): Fail if the value of bound is not
8522 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8524 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8525 (mips_fallback_frame_state): Use syscall numbers to determine
8526 the appropriate li instruction for the current ABI. Only use
8527 __NR_sigreturn for o32.
8529 2006-05-19 Nicolas Setton <setton@adacore.com>
8531 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8532 * langhooks.c (lhd_dwarf_name): New function.
8533 * langhooks-def.h (lhd_dwarf_name): Declare.
8534 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8535 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8537 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8539 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8541 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8542 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8543 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8544 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8545 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8546 determine the size of Wtype, etc.
8547 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8548 (swfloatfuncs): New variable.
8549 (dwfloatfuncs): Likewise.
8550 (lib2funcs): Remove floating-point conversion functions from
8551 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8552 the set of conversion routines needed. Allow entries to specify
8553 an object name, filename and word size. Update users accordingly.
8554 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8555 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8559 2006-02-08 Roger Sayle <roger@eyesopen.com>
8562 * config/fixtfdi.c: New libgcc source file.
8563 * config/fixunstfdi.c: New source file.
8564 * config/floatditf.c: New source file.
8565 * config/floatunditf.c: New souce file.
8566 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8567 files above instead of config/mips/_tilib.c.
8568 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8570 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8572 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8573 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8575 2006-05-18 Mike Stump <mrs@apple.com>
8577 Fix up vla, vm and [*] sematics.
8583 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8584 (c_vla_unspec_p): Add.
8585 (c_vla_type_p): Add.
8586 * c-decl.c (struct c_scope): Add had_vla_unspec.
8587 (build_array_declarator): Add support for [*].
8588 (grokdeclarator): Likewise.
8589 (grokparms): Likewise.
8590 (get_parm_info): Likewise.
8591 * c-objc-common.c (c_vla_unspec_p): Likewise.
8592 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8593 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8594 typeof when argument is a variably modified type not inside sizeof or alignof.
8595 (c_parser_direct_declarator_inner): Propagate errors.
8596 (c_parser_sizeof_expression): Add support for [*].
8597 (c_parser_parms_declarator): Initialize had_vla_unspec.
8598 (c_parser_parms_list_declarator): Likewise.
8599 * c-typeck.c (c_vla_type_p): Add.
8600 (composite_type): Add support for vla compositing.
8601 (comptypes_internal): Add support for vla compatibility.
8602 (c_expr_sizeof_expr): Evaluate vla arguments.
8603 * tree.c (variably_modified_type_p): Update comment for [*].
8605 2006-05-18 Michael Matz <matz@suse.de>
8608 * config.host: Make assignments to host_xmake_file cumulative.
8609 * config.host (*-darwin*): Test $host, not $target.
8611 2006-05-12 Stuart Hastings <stuart@apple.com>
8613 * config/i386/i386.opt (-mstackrealign): New flag.
8614 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8615 (ix86_handle_cconv_attribute): Emit error when
8616 force_align_arg_pointer attribute collides with too many regparms.
8617 (ix86_function_regparm): Limit regparms when used with
8618 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8619 Support stack-realigning prologue in non-main functions. Emit
8620 warning for nested functions under -mstackrealign, emit error for
8621 nested functions with force_align_arg_pointer attribute.
8622 * doc/extend.texi (force_align_arg_pointer): Document it.
8623 * doc/invoke.texi (-mstackrealign): Document it.
8625 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8627 PR rtl-optimization/27477
8628 * combine.c (try_combine): Don't split a parallel consisting
8629 of two sets into two individual sets if both sets reference
8632 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8634 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8635 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8637 * doc/options.texi (VarExists): Updated.
8639 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8641 * unwind-dw2.c: Add declarations for uw_update_context and
8643 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8644 detected, advance frame state and context once to skip over stub.
8646 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8650 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8651 Call rewrite_into_loop_closed_ssa only when something changed.
8652 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8653 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8654 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8655 Test for perfect_nest_p here. Fix formating.
8656 (replace_uses_equiv_to_x_with_y): Fix formating.
8657 (stmt_uses_op): Removed.
8658 (can_convert_to_perfect_nest): Removed loopivs parameter.
8659 Complete the test by checking the scalar dependences.
8660 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8663 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8666 From Dan Kegel <dank@kegel.com>:
8667 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8669 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8671 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8672 if the element type is variably modified without recursing.
8674 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8677 * tree-loop-linear.c (try_interchange_loops): Test for
8678 no data dependences.
8680 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8682 PR tree-optimization/27548
8683 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8684 range of ssa names that appear on abnormal edges.
8685 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8686 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8688 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8691 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8693 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8696 * tree.h (OMP_PARALLEL_COMBINED): Define.
8697 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8698 (new_omp_context): Add is_combined_parallel argument.
8699 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8700 new_omp_context caller.
8701 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8702 Adjust gimplify_scan_omp_clauses callers.
8703 (omp_is_private): Issue errors if iteration variable is firstprivate
8704 or reduction in the current context.
8705 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8706 on combined parallel workshare constructs.
8708 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8710 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8711 (gcc-options.o): New rule.
8713 * optc-gen.awk: Protect variables for gcc-options.o with
8714 #ifdef GCC_DRIVER/#endif.
8716 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8718 Fix PR tree-optimization/27373
8719 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8720 (forward_propagate_addr_expr): Update call.
8722 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8724 * doc/options.texi: Move the Negative option.
8726 2006-05-16 Richard Guenther <rguenther@suse.de>
8728 PR tree-optimization/22303
8729 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8731 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8732 ccp_fold did not simplify the statement.
8734 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8737 * Makefile.in (GCC_OBJS): New.
8738 (OBJS-common): Add opts-common.o.
8739 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8740 (cpp$(exeext)): Likewise.
8741 (gcc.o): Also depend on opts.h.
8742 (opts-common.o): New.
8744 * common.opt (gcoff): Add Negative(gdwarf-2).
8745 (gdwarf-2): Add Negative(gstabs).
8746 (gstabs): Add Negative(gstabs+).
8747 (gstabs+): Add Negative(gvms).
8748 (gvms): Add Negative(gxcoff).
8749 (gxcoff): Add Negative(gxcoff+).
8750 (gxcoff+): Add Negative(gcoff).
8751 * config/i386/i386.opt (m32): Add Negative(m64).
8752 (m64): Add Negative(m32).
8754 * doc/options.texi: Document the Negative option.
8756 * gcc.c: Include "opts.h".
8757 (main): Call prune_options after expandargv.
8759 * optc-gen.awk: Generate common declarations for all flag
8760 variables in options.c. Output the neg_index field.
8762 * opts.c (find_opt): Moved to ...
8763 * opts-common.c: Here. New file.
8765 * opts.h (cl_option): Add a neg_index field.
8767 (prune_options): Likewise.
8769 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8772 * omp-low.c (expand_omp_parallel): Don't assert
8773 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8774 instead search for it.
8777 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8780 2006-05-16 Andreas Schwab <schwab@suse.de>
8782 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8785 2006-05-15 Roger Sayle <roger@eyesopen.com>
8788 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8789 integer constants other than zero are only legitimate on TARGET_64BIT.
8790 <CONST_VECTOR> Only zero vectors are legitimate.
8791 (ix86_cannot_force_const_mem): Integral and vector constants can
8792 always be put in the constant pool.
8794 2006-05-16 DJ Delorie <dj@redhat.com>
8796 * crtstuff.c (__dso_handle): Set section from
8797 TARGET_LBIGCC_SDATA_SECTION if defined.
8798 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8799 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8801 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8804 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8807 2006-05-16 Ben Elliston <bje@au.ibm.com>
8809 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8811 2006-05-15 Per Bothner <per@bothner.com>
8813 * tree.c: (last_annotated_node): Use source_locus typedef.
8814 This permits bootstrapping with --enable-mapped-location.
8816 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8818 PR tree-optimization/26830
8819 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8820 (info_for_ssa_name, current_info_for_ssa_name_age,
8821 blocks_to_update): New variables.
8822 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8823 (clear_ssa_name_info, initialize_flags_in_bb,
8824 mark_block_for_update): New functions.
8825 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8826 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8827 prepare_def_site_for): Use mark_block_for_update.
8828 (mark_def_interesting): Assert that the processed block is marked in
8829 blocks_to_update. Do not take blocks argument.
8830 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8832 (rewrite_update_init_block, rewrite_update_stmt): Only process
8833 blocks with statements to rewrite.
8834 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8835 (update_ssa): Initialize and free blocks_to_update. Do not
8836 clear flags on statements. Do not use blocks bitmap.
8837 * tree.h (SSA_NAME_AUX): Removed.
8838 (struct tree_ssa_name): Removed aux field.
8839 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8841 2006-05-15 Richard Guenther <rguenther@suse.de>
8843 PR tree-optimization/27603
8844 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8845 Do computations in original type.
8847 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8849 * see.c: Code style changes such as redundant paranthesis,
8850 redundant intialization of local variables etc.
8851 (see_main): Declared now as static.
8852 * doc/invoke.texi: Update that -fsee is not enabled by
8855 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8857 * omp-low.c (check_omp_nesting_restrictions): New function.
8858 (scan_omp_1): Call it.
8861 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8862 construct, return *VAR.
8864 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8866 PR rtl-optimization/27406
8867 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8870 2006-05-14 Roger Sayle <roger@eyesopen.com>
8872 PR rtl-optimization/27538
8873 * combine.c (expand_compound_operation): Call gen_lowpart
8874 before calling simplify_shift_const.
8876 2006-05-14 Roger Sayle <roger@eyesopen.com>
8878 PR rtl-optimization/22563
8879 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8880 a fixed width bitfield, always force the intermediates into psuedos.
8882 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8885 * mkconfig.sh: Use operator = instead of == for test.
8887 2006-05-13 Nick Clifton <nickc@redhat.com>
8889 * dwarf2out.c (dbx_reg_number): Check return value from
8890 LEAF_REG_REMAP and only use it if it is valid.
8891 (multiple_reg_loc_descriptor): Likewise.
8893 2006-05-13 Richard Guenther <rguenther@suse.de>
8895 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8898 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8900 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8901 information attached to non-INSNs such as NOTEs.
8902 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8904 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8906 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8908 * config/s390/s390.md: Adjust comment describing On constraint.
8910 2006-05-11 Jan Hubicka <jh@suse.cz>
8912 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8913 to be output at -O0.
8915 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8918 * fold-const.c (size_binop): Move sanity check for arguments to
8919 the beginning of the function.
8922 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8925 2006-05-11 Richard Guenther <rguenther@suse.de>
8928 * fold-const.c (fold_unary): Handle intermediate conversion
8929 to a pointer type like intermediate conversion to an integer
8930 type in folding of (T1)(T2)var to var.
8931 Match the code to the comment in the final conversion for
8932 (T1)(T2)var to (T1)var regarding to type precision. Rather
8933 than disallow T1 being of pointer type, assert that both T1
8934 and var are of pointer type or not. Make sure not to fall
8935 over the frontends lazyness wrt array to pointer decay though.
8937 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8939 * arm.c (arm_struct_value_rtx): Delete.
8940 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8941 (arm_init_cumulative_args): Always initialize nregs to zero.
8943 2006-05-10 Richard Guenther <rguenther@suse.de>
8945 PR tree-optimization/27532
8946 * tree-object-size.c (plus_expr_object_size): Fix typo.
8948 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8951 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8952 ashrdi_const, ashrdi3): Use a scratch register.
8954 2006-05-10 Richard Guenther <rguenther@suse.de>
8956 PR tree-optimization/27302
8957 * fold-const.c (operand_equal_p): For two comparisons,
8958 try comparison of one comparison code swapped if that yields
8961 2006-05-10 Ben Elliston <bje@au.ibm.com>
8963 * tree-pretty-print.c (pretty_print_string): No need to handle
8964 '\0' as a special character.
8966 * tree.h: Include "hashtab.h".
8967 (iterative_hash_expr): Use hashval_t in its prototype.
8968 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8970 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8973 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8974 (hppa*64*-*-hpux11*): Ditto.
8975 (hppa[12]*-*-hpux11*): Ditto.
8977 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8980 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8982 2006-05-09 Michael Matz <matz@suse.de>
8984 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8985 host_extra_gcc_objs and host_xmake_file.
8986 (<*-*-linux*>): Don't overwrite host_xmake_file.
8987 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8988 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8989 (host_detect_local_cpu): Declare.
8990 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8991 * config/i386/i386.c (override_options): Handle -mtune=native
8993 * config/i386/x-i386: New file.
8994 * config/i386/driver-i386.c: New file.
8995 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8998 2006-05-09 Dirk Mueller <dmueller@suse.de>
8999 Richard Guenther <rguenther@suse.de>
9002 * fold-const.c (fold_read_from_constant_string): Relax check
9003 for matching types to matching modes.
9005 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9007 PR rtl-optimization/27335
9008 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9011 2006-05-08 Chao-ying Fu <fu@mips.com>
9012 Richard Sandiford <richard@codesourcery.com>
9014 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9015 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9016 * config/mips/mips.md (UNSPEC_SCC): New constant.
9017 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9018 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9019 (mips_emit_compare): Use it.
9020 (mips_expand_vcondv2sf): New function.
9022 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9024 Fix PR tree-optimization/27093
9025 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9026 renaming when they become not-used_alone.
9028 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9030 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9031 relocation and relocation stubs.
9033 2006-05-08 Eric Christopher <echristo@apple.com>
9035 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9038 2006-05-08 Jan Hubicka <jh@suse.cz>
9041 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9042 unused static functions are needed.
9044 2006-05-08 Roger Sayle <roger@eyesopen.com>
9047 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9048 of a reg_equiv_constant if the result is a legitimate constant.
9050 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9053 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9054 standard 80387 constants, raise the cost to prevent
9055 compress_float_constant() to generate load from memory.
9057 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9059 * config/arm/constraints.md (c): Fix a typo.
9061 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9064 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9067 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9069 (_mm_mwait): Likewise.
9071 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9073 (sse3_monitor): Make it 32bit only.
9074 (sse3_monitor64): New. 64bit monitor.
9076 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9079 * config/i386/i386.c (classify_argument): Skip fields with invalid
9082 2006-05-07 Richard Guenther <rguenther@suse.de>
9084 PR tree-optimization/27409
9085 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9086 Do not try to find zero-sized subvars.
9088 2006-05-07 Richard Guenther <rguenther@suse.de>
9090 PR tree-optimization/27136
9091 * tree-ssa-loop-niter.c (get_val_for): Correct function
9092 comment, assert requirements.
9093 (loop_niter_by_eval): Stop processing if the iterated
9094 value did not simplify.
9096 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9098 * opts.c (flag_see): remove its setting at -O3.
9100 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9102 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9103 * arm/constraints.md: New file.
9104 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9105 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9106 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9107 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9108 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9109 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9110 * arm.md: Include constraints.md.
9111 (thumb_movsi_insn): Use satisfies_constraint_J.
9112 (movhi, movqi): Use satisfies_constraint_I.
9114 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9116 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9117 for atmeg a645 device.
9119 2006-05-06 Richard Guenther <rguenther@suse.de>
9121 PR tree-optimization/27151
9122 * tree-vect-transform.c (vectorizable_condition): Punt on
9123 values that have a different type than the condition.
9125 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9128 * c-parser.c (c_parser_cast_expression): Only insert casts into
9129 hash table if pointer.
9130 * function.c (used_types_insert_helper): Rename from
9132 (used_types_insert): Call used_types_insert_helper.
9133 * function.h (used_types_insert): Accept only one argument.
9135 2006-05-05 David Edelsohn <edesohn@gnu.org>
9137 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9138 scratch with output modifier.
9140 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9143 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9144 with output modifier.
9146 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9149 * config/mips/mips.c (mips_symbolic_address_p): Return true
9150 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9151 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9153 2006-05-04 Richard Guenther <rguenther@suse.de>
9155 PR tree-optimization/14287
9156 PR tree-optimization/14844
9157 PR tree-optimization/19792
9158 PR tree-optimization/21608
9159 PR tree-optimization/27090
9160 * tree-ssa-pre.c (try_combine_conversion): New function.
9161 (compute_avail): After constructing the value-handle
9162 expression, use try_combine_conversion to combine NOP_EXPRs
9163 with previous value-handle expressions and use the result if it
9166 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9168 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9170 2006-05-04 Jan Hubicka <jh@suse.cz>
9173 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9175 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9177 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9178 that this only matches CONST_INTs. All users changed to VOIDmode
9181 * config/bfin/bfin.c: Include "optabs.h".
9182 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9184 (enum bfin_builtins): Add a number of fractional and vector builtins.
9185 (bfin_init_builtins): Likewise.
9186 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9187 (safe_vector_operand, bfin_expand_binop_builtin,
9188 bfin_expand_unop_builtin): New functions.
9189 (bfin_expand_builtin): Handle the new builtins.
9190 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9193 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9196 * Makefile.in (OBJS-common): Add see.o.
9197 (see.o): Add dependencies.
9198 * common.opt (fsee): New flag for the see optimization was added.
9199 * opts.c (flag_see): Initialized.
9200 * passes.c (init_optimization_passes, pass_see): New pass.
9201 * rtl.h (see_main): Declaration as extern.
9202 * timevar.def (TV_SEE): New.
9203 * tree-pass.h (pass_see): Declaration as extern.
9204 * invoke.texi (-fsee): Document.
9205 * recog.c (validate_simplify_insn): New function.
9206 * recog.h (validate_simplify_insn): Declaration as extern.
9207 * df-problems.c (df_chain_dump): Check for NULL.
9209 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9210 Daniel Berlin <dberlin@dberlin.org>
9212 * cfgrtl.c (insert_insn_bb_end_new): New function.
9213 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9215 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9217 * df.h (struct web_entry): Moved from web.c.
9218 (union_defs): Declaration as extern.
9219 (unionfind_root): Likewise.
9220 (unionfind_union): Likewise.
9221 * web.c (struct web_entry): Moved to df.h.
9222 (unionfind_root): Remove static declaration.
9223 (unionfind_union): Likewise.
9224 (union_defs): Likewise and generalize to use callback function.
9225 (web_main): Update arguments for union_defs function call.
9227 2006-05-04 Richard Guenther <rguenther@suse.de>
9229 PR tree-optimization/26447
9230 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9231 produce SSA_NAME copies before the store stmt to avoid
9232 breaking exception handling.
9234 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9237 * gimplify.c (omp_is_private): If var is shared in some outer context,
9238 return false instead of true. Stop searching on parallel context
9241 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9244 * coverage.c: Use get_gcov_unsigned_t() instead of
9245 unsigned_type_node all over.
9247 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9249 PR tree-optimization/27381
9250 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9251 maintain the same immediate_use links.
9252 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9253 node rather than segfaulting.
9255 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9258 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9259 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9260 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9262 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9264 Fix PR tree-optimization/26626
9265 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9267 * tree-ssa-operands.c (access_can_touch_variable): Allow
9268 typecasting through union pointers.
9270 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9273 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9274 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9275 to find if var will be a global variable even in the nested context.
9276 (omp_copy_decl): Only check for global variable at the end, it might
9277 be overridden in outer contexts.
9278 (scan_sharing_clauses): For global variables don't create a field.
9279 (lower_rec_input_clauses): Do nothing for global shared variables.
9280 Emit a barrier at the end of ILIST if there were any decls in both
9281 firstprivate and lastprivate clauses.
9282 (lower_send_clauses): Do nothing for global variables except for
9285 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9287 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9288 of the correct signedness is returned.
9290 2006-05-02 Jeff Law <law@redhat.com>
9292 PR tree-optimization/27364
9293 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9294 multiply expressions.
9296 2006-05-02 Tom Tromey <tromey@redhat.com>
9298 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9300 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9303 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9304 -mthumb -fPIC are used.
9306 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9307 Joshua Kinard <kumba@gentoo.org>
9310 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9311 with 64-bit pointers.
9313 2006-05-02 Paul Brook <paul@codesourcery.com>
9315 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9317 (create_fix_barrier): Check that a suitable barrier location is
9319 (arm_reorg): Include ftmp->address in allowable range of addresses.
9321 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9324 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9327 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9330 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9331 around RESULT_DECL for result passed by reference.
9332 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9333 * omp-low.c (use_pointer_for_field): Don't look at
9334 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9335 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9336 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9337 time or var for passing by reference for
9338 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9339 TREE_ADDRESSABLE variables when passing by reference.
9341 * omp-low.c (dump_omp_region): Fix output formatting.
9344 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9345 (expand_omp_parallel): Likewise.
9346 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9349 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9350 on statement list containing also constructors and destructors.
9351 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9354 * except.c (duplicate_eh_regions): Fix clearing of
9355 cfun->eh->region_array entries.
9357 2006-05-01 DJ Delorie <dj@redhat.com>
9359 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9361 (gcc_cv_objdump): Likewise.
9362 * configure: Regenerated.
9364 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9367 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9368 templates for case 3 and 4.
9370 2006-05-01 DJ Delorie <dj@redhat.com>
9372 * vec.c: Include bconfig.h when appropriate.
9373 * Makefile.in (build/vec.o): Adjust dependencies.
9374 * mkconfig.sh: Make sure config.h isn't used for build machine
9377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9379 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9381 (mark_phi_for_rewrite): New function.
9382 (insert_phi_nodes_for, mark_use_interesting): Call
9383 mark_phi_for_rewrite.
9384 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9385 (update_ssa): Initialize and free phis_to_rewrite.
9387 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9389 PR rtl-optimization/27291
9390 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9391 folded to a constant.
9393 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9395 PR tree-optimization/27283
9396 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9397 not whole # of iteration descriptions.
9398 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9399 uses abnormal ssa name.
9400 (niter_for_single_dom_exit): Ditto.
9401 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9402 return just the number of iterations.
9404 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9406 PR tree-optimization/27144
9407 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9408 (record_estimate): Only record constant upper bound.
9409 (infer_loop_bounds_from_undefined): Call
9410 compute_estimated_nb_iterations just once.
9411 (proved_non_wrapping_p): Renamed to ...
9412 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9413 (convert_step_widening, scev_probably_wraps_p): Call
9414 n_of_executions_at_most instead of proved_non_wrapping_p.
9415 (substitute_in_loop_info): Do not replace values in bounds.
9416 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9419 2006-05-01 Richard Henderson <rth@redhat.com>
9422 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9423 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9426 2006-05-01 Roger Sayle <roger@eyesopen.com>
9428 * c-typeck.c (parser_build_binary_op): Don't call the function
9429 unsigned_conversion_warning to spot operand/result type overflow.
9430 (build_binary_op): Instead, call convert_and_check instead of
9431 convert to report the problem when the operands are promoted.
9432 * c-common.c (unsigned_conversion_warning): Make static.
9433 * c-common.h (unsigned_conversion_warning): Delete prototype.
9435 2006-05-01 Richard Guenther <rguenther@suse.de>
9437 PR tree-optimization/26726
9438 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9440 (find_interesting_uses_address): ... we work around here
9441 by folding INDIRECT_REFs in the substituted base.
9443 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9445 * omp-low.c (dump_omp_region): Add newlines.
9447 2006-04-30 Roger Sayle <roger@eyesopen.com>
9449 * common.opt (Woverflow): New command line option.
9450 * c-common.c (constant_expression_warning): Check warn_overflow.
9451 (overflow_waring): Pass OPT_Woverflow to warning.
9452 (unsigned_conversion_warning): Likewise.
9453 (convert_and_check): Likewise.
9454 * doc/invoke.texi: Document new command line option.
9456 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9458 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9459 TARGET_NO_FP_IN_TOC for section anchors.
9460 (optimization_options): Enable section anchors for all
9461 non-"Objective" languages.
9463 2006-04-28 Eric Christopher <echristo@apple.com>
9465 * config/darwin-c.c (darwin_ms_struct): Move this
9466 (darwin_set_default_type_attributes): and this...
9467 * config/darwin.c: ... here.
9468 * config/darwin.h (darwin_ms_struct): Declare.
9470 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9472 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9474 2006-04-28 Roger Sayle <roger@eyesopen.com>
9477 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9478 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9479 an unsigned HOST_WIDE_INT.
9480 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9482 (really_start_incremental_init): No need to call convert because
9483 bitsize_zero_node is already of type bitsizetype.
9484 (push_init_level): Extract the value of constructor_index as an
9485 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9486 (process_init_element): Likewise.
9488 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9490 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9491 value before passing to make_relative_prefix.
9493 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9496 * builtins.c (expand_builtin_memset): Expand val in original mode.
9498 2006-04-27 Eric Christopher <echristo@apple.com>
9500 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9501 with #ifndef/#endif.
9502 * config/darwin-c.c (darwin_ms_struct): New.
9503 (darwin_pragma_ms_struct): Ditto.
9504 (darwin_set_default_type_attributes): Ditto.
9505 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9506 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9507 Register ms_struct pragma.
9508 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9509 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9510 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9511 darwin_set_default_type_attributes if TARGET_MACHO.
9513 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9515 PR tree-optimization/26854
9516 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9517 * doc/tree-ssa.texi: Update immuse iterator documentation.
9518 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9519 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9520 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9521 first_safe_imm_use, next_safe_imm_use): Remove.
9522 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9523 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9524 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9525 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9526 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9527 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9528 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9529 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9530 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9531 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9532 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9533 (perfect_nestify): Use new iterator.
9534 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9536 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9537 (next_imm_name): New field in struct immediate_use_iterator_d.
9538 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9539 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9540 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9541 * tree-cfg.c (replace_uses_by): Use new iterator.
9542 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9543 * tree-ssa-operands.c (correct_use_link): Remove.
9544 (finalize_ssa_use_ops): No longer call correct_use_link.
9546 2006-04-27 Stuart Hastings <stuart@apple.com>
9548 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9549 * config/t-darwin (crt3.o): Use it.
9550 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9551 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9552 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9553 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9554 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9557 2006-04-27 Roger Sayle <roger@eyesopen.com>
9559 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9560 size, force the intermediate into a new pseudo rather instead of
9561 performing both a bitwise AND and a bitwise IOR in memory.
9563 2006-04-27 Richard Guenther <rguenther@suse.de>
9565 PR rtl-optimization/26685
9566 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9567 this one "max-flow-memory-locations".
9569 2006-04-27 Richard Guenther <rguenther@suse.de>
9571 PR tree-optimization/25148
9572 * tree-vrp.c (compare_values): Remove code dealing with
9573 comparisons against type min/max value. Honour overflow
9574 and negative constants in code dealing with comparisons
9575 of plus and minus expressions.
9576 (value_inside_range): Use fold_binary with LE_EXPR and
9577 GE_EXPR rather than compare_values.
9579 2006-04-27 Dirk Mueller <dmueller@suse.de>
9581 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9584 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9586 * basic-block.h (safe_insert_insn_on_edge): Removed.
9587 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9589 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9590 Paolo Bonzini <bonzini@gnu.org>
9593 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9594 (simplify_and_const_int): Same.
9596 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9598 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9600 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9603 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9604 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9605 cgraph_global_info_ready.
9608 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9611 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9612 either decl or init is error_mark_node.
9615 * tree-flow.h (struct omp_region): Add sched_kind.
9616 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9617 instead of extracting omp for data.
9618 (expand_omp_for): Save extracted sched_kind.
9620 2006-04-25 Roger Sayle <roger@eyesopen.com>
9622 * expmed.c (store_bit_field): Also check whether the bitsize is
9623 valid for the machine's "insv" instruction before moving the
9624 target into a pseudo for use with the insv.
9625 * config/i386/predicates.md (const8_operand): New predicate.
9626 * config/i386/i386.md (extv, extzv, insv): Use the new
9627 const8_operand predicate where appropriate.
9629 2006-04-25 DJ Delorie <dj@redhat.com>
9631 * doc/install.texi (Specific): Clarify that this is not a list of
9632 supported hosts or targets.
9634 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9636 PR rtl-optimization/26725
9637 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9638 block's BB_DIRTY flag.
9640 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9642 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9645 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9646 to print an integer.
9648 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9650 * varasm.c (align_variable): New function.
9651 (get_block_for_decl): Apply align_variable to DECL before
9652 calculating section information.
9653 (assemble_variable): Split out alignment computation.
9655 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9657 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9660 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9662 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9663 MODE_PARTIAL_INT mode.
9664 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9665 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9667 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9668 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9670 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9672 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9674 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9675 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9676 MACFLAG_IH): Likewise.
9677 (movstricthi_1): Renamed from "*movstricthi".
9678 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9679 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9680 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9681 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9682 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9683 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9684 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9685 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9686 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9687 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9688 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9689 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9690 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9691 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9692 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9694 * doc/rtl.texi (ss_ashift): Improve wording.
9696 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9698 * dwarf2out.c (verify_marks_clear): New.
9699 (prune_unused_types): Call verify_marks_clear initially, not
9702 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9704 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9705 * doc/rtl.texi: Document them.
9706 * simplify-rtx.c (simplify_unary_operation,
9707 simplify_binary_operation_1): Don't abort when we see them.
9709 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9712 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9713 * configure.ac: Completely disregard languages that are not
9715 * configure: Regenerated.
9717 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9718 Richard Guenther <rguenther@suse.de>
9720 PR tree-optimization/27236
9721 * tree-inline.c (copy_body_r): Make sure to copy
9722 TREE_THIS_VOLATILE flag.
9724 2006-04-24 Richard Guenther <rguenther@suse.de>
9727 * tree-complex.c (update_parameter_components): Don't handle
9728 unused parameters which have no default def.
9730 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9731 Richard Guenther <rguenther@suse.de>
9733 PR tree-optimization/27218
9734 * tree-inline.c (expand_call_inline): Strip useless type
9735 conversions for the return slot address.
9737 2006-04-24 Richard Guenther <rguenther@suse.de>
9739 * cfgloop.h (struct loops): Remove unused field array. Reorder
9741 (LOOP_PREFETCH): Remove.
9743 2006-04-24 Richard Guenther <rguenther@suse.de>
9745 PR tree-optimization/22525
9746 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9747 variable, adjust types of generated expressions.
9749 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9751 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9752 (tree-vect-patterns.o): Likewise.
9754 (cselib.o): Likewise.
9755 (loop-doloop.o): Likewise.
9756 (regclass.o): Likewise.
9757 (reload1.o): Likewise.
9758 (explow.o): Replace target.h with $(TARGET_H).
9759 (ipa-prop.o): Likewise.
9760 (ipa-cp.o): Likewise.
9761 (ipa-inline.o): Likewise.
9762 (reorg.o): Likewise.
9763 (reg-stack.o): Likewise.
9765 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9767 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9769 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9771 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9773 * configure.ac: Completely disregard languages that are not
9775 * configure: Regenerated.
9778 * c-common.h (c_build_bitfield_integer_type): Declare.
9779 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9780 * c-common.c (c_build_bitfield_integer_type): ... here.
9782 2006-04-23 Roger Sayle <roger@eyesopen.com>
9785 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9786 a SImode SUBREG of a floating point register after no_new_pseudos.
9788 2006-04-23 Roger Sayle <roger@eyesopen.com>
9790 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9791 identify potentially eliminable registers to additionally catch
9792 VIRTUAL_INCOMING_ARGS_REGNUM.
9793 (addsi3): Update the conditions on when to use addsi_small_int.
9795 2006-04-23 Roger Sayle <roger@eyesopen.com>
9798 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9799 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9800 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9802 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9804 * fold-const.c (range_predecessor): Use operand_equal_p
9805 as the predicate for equality.
9806 (range_successor): Likewise.
9808 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9811 * config/soft-fp/op-common.h: Fix a typo.
9813 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9816 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9817 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9819 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9821 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9823 * doc/tm.texi: Fix a typo.
9825 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9827 * dwarf2out.c (struct die_struct): Document that die_sib makes
9828 a circular linked list.
9829 (FOR_EACH_CHILD): New.
9830 (reverse_die_lists): Delete.
9831 (reverse_all_dies): Delete.
9832 (add_dwarf_attr): Correct documentation.
9833 (remove_child_with_prev): New.
9834 (remove_child_TAG): Update for change to die_struct, use
9835 remove_child_with_prev.
9836 (add_child_die): Update for change to die_struct.
9837 (splice_child_die): Use remove_child_with_prev and add_child_die.
9838 (print_die): Use FOR_EACH_CHILD.
9839 (die_checksum): Likewise.
9840 (assign_symbol_names): Likewise.
9841 (output_location_lists): Likewise.
9842 (build_abbrev_table): Likewise.
9843 (calc_die_sizes): Likewise.
9844 (mark_dies): Likewise.
9845 (unmark_dies): Likewise.
9846 (unmark_all_dies): Likewise.
9847 (output_die): Likewise.
9848 (prune_unused_types_mark): Likewise.
9849 (prune_unused_types_walk): Likewise.
9850 (same_die_p): Update for change to die_struct.
9851 (break_out_includes): Likewise.
9852 (prune_unused_types_prune): Likewise.
9853 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9854 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9856 (dwarf2out_finish): Don't call reverse_all_dies.
9858 2006-04-21 Eric Christopher <echristo@apple.com>
9860 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9861 in comments and function names.
9863 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9866 * c-typeck.c (digest_init): Robustify.
9868 * c-typeck.c (pop_init_level): Simplify.
9870 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9872 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9874 2006-04-21 Paul Brook <paul@codesourcery.com>
9876 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9877 hardware floating point.
9879 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9881 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9884 2006-04-21 Nick Clifton <nickc@redhat.com>
9886 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9889 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9892 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9893 C++ lang type in traceback table for Objective-C++.
9895 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9897 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9899 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9901 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9904 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9905 were errors. Remove check for erroneous objects.
9907 2006-04-20 Jeff Law <law@redhat.com>
9909 PR tree-optimization/26854
9910 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9911 checking for zero or one use.
9912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9913 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9914 * tree-ssa-reassoc.c (negate_value): Similarly.
9915 (reassociate_bb): Similarly.
9917 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9919 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9920 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9921 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9923 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9925 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9926 fp regs if the last fp arg doesn't fit in regs.
9928 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9931 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9932 that the last insn has the REG_INC note.
9934 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9935 Nathan Sidwell <nathan@codesourcery.com>
9938 * stor-layout.c (update_alignment_for_field): Do not align
9940 (place_union_field): Place union field at the start of the union.
9941 (place_field): Move ERROR_MARK check later, and use the current
9942 allocation position to maintain monotonicity.
9944 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9946 * dominance.c: Include timevar.h.
9947 (calculate_dominance_info): Use TV_DOMINANCE.
9948 * timevar.def (TV_DOMINANCE): New timevar.
9949 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9951 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9953 PR rtl-optimization/14261
9954 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9955 move would be an INSV insn.
9956 (noce_process_if_block): Don't optimize if the destination is a
9957 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9959 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9961 * config/s390/s390.md: Add comments with the instructions emitted
9962 by an insn pattern if macros are used.
9964 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9966 PR rtl-optimization/26026
9967 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9968 is a known power of two shifted left a variable amount.
9970 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9972 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9973 to hash table twice when the debug_str section has SECTION_MERGE.
9975 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9977 * config/soft-fp: New directory. From glibc.
9978 * config/soft-fp/t-softfp: New.
9979 * config/soft-fp/README: New.
9980 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9981 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9982 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9983 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9984 * config.gcc: Use rs6000/t-fprules-fpbit or
9985 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9987 * config/rs6000/sfp-machine.h: New. Based on glibc.
9988 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9990 * config/rs6000/t-fprules: Remove fp-bit rules.
9991 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9992 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9993 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9994 (softfp_wrap_start, softfp_wrap_end): New.
9996 2006-04-18 DJ Delorie <dj@redhat.com>
9998 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10000 2006-04-18 Devang Patel <dpatel@apple.com>
10002 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10004 2006-04-18 Nick Clifton <nickc@redhat.com>
10006 * config/sh/t-symbian: Add rule to build sh-c.o
10007 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10008 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10009 (sh_symbian_encode_section_info): Likewise.
10011 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10013 * builtins.c (expand_builtin_strcmp): Cover label definition of
10014 do_libcall with HAVE_cmpstrnsi.
10016 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10018 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10020 * function.h (temp_slot_p): New.
10021 (function): Change the type of x_used_temp_slots to
10022 VEC(temp_slot_p,gc) *.
10024 2006-04-18 Nick Clifton <nickc@redhat.com>
10026 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10027 flag_strength_reduce.
10029 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10031 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10035 Partial revert of revision 112637
10036 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10037 Dale Johannesen <dalej@apple.com>
10040 * regclass.c (struct reg_pref): Update documentation.
10041 (regclass): Set prefclass to NO_REGS if memory is the best option.
10042 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10044 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10046 PR tree-optimization/26821
10047 * tree-ssa-math-opts.c (get_constant_one): New.
10048 (insert_reciprocals): Use it.
10050 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10052 * dwarf2out.c (free_AT): Delete.
10053 (remove_AT): Update string ref counts.
10054 (remove_child_TAG): Don't call free_die.
10055 (free_die): Delete.
10056 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10057 or DW_TAG_GNU_EINCL.
10058 (prune_unused_types_walk_attribs): Reset string refcounts.
10059 (prune_unused_types_update_strings): New.
10060 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10061 call free_die. Do call prune_unused_types_update_strings.
10062 (prune_unused_types): Empty debug_str_hash.
10064 2006-04-17 Roger Sayle <roger@eyesopen.com>
10066 * expr.c (expand_assignment): Optimize away no-op moves where the
10067 source and destination are equal and have no side-effects.
10069 2006-04-17 Richard Guenther <rguenther@suse.de>
10072 * reload.c (push_reload): Guard calls to get_secondary_mem
10073 for memory subregs.
10075 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10077 * alias.c (reg_base_value, old_reg_base_value): Change the
10078 type to VEC(rtx,gc) *.
10079 (REG_BASE_VALUE, find_base_value, record_set,
10080 init_alias_analysis): Use VEC instead of VARRAY.
10082 * alias.c (alias_sets): Change the type to
10083 VEC(alias_set_entry,gc) *.
10084 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10085 VEC instead of VARRAY.
10086 (last_alias_set): Remove.
10088 * cgraph.h (cgraph_edge_p): New.
10089 Update the prototype of cgraph_function_versioning.
10090 * cgraphunit.c (cgraph_copy_node_for_versioning,
10091 cgraph_function_versioning): Use VEC instead of VARRAY.
10092 * ipa-cp.c (ipcp_insert_stage): Likewise.
10094 2006-04-16 Roger Sayle <roger@eyesopen.com>
10097 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10098 "A op B" or "A op C", we may need to convert A to the type of B and C.
10100 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10102 * target.h (struct gcc_target): Add mode_rep_extended.
10103 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10104 (init_num_sign_bit_copies_in_rep): Initialize it using
10106 (truncate_to_mode): Use it.
10107 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10108 * targhooks.h (default_mode_rep_extended): Declare it.
10109 * targhooks.c (default_mode_rep_extended): Define it.
10110 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10111 default_mode_rep_extended.
10112 (TARGET_INITIALIZER): Include it.
10113 * doc/tm.texi (Misc): Document it.
10114 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10115 (mips_truncated_to_mode): New function.
10117 2006-04-16 Roger Sayle <roger@eyesopen.com>
10119 PR middle-end/25474
10120 * expr.c (compress_float_constant): Copy the narrow constant into
10121 a new pseudo before extending it to its final width.
10123 2006-04-16 Roger Sayle <roger@eyesopen.com>
10124 Andrew Pinski <pinskia@gcc.gnu.org>
10125 Dale Johannesen <dalej@apple.com>
10128 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10129 special case code to implement V8HImode and V16QImode with SSE2.
10131 2006-04-15 Roger Sayle <roger@eyesopen.com>
10133 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10134 trees are constructed with a suitable tree type.
10136 2006-04-15 Roger Sayle <roger@eyesopen.com>
10138 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10139 (integer_onep): Likewise.
10140 (integer_all_onesp): Likewise.
10141 (integer_pow2p): Likewise.
10142 (integer_nonzerop): Likewise.
10143 (real_zerop): Likewise.
10144 (real_onep): Likewise.
10145 (real_twop): Likewise.
10146 (real_minus_onep): Likewise.
10147 (int_size_in_bytes): Likewise.
10148 (host_integerp): Likewise.
10150 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10152 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10153 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10154 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10156 * tree-ssa-structalias.h (alias_info): Remove num_references.
10158 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10160 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10161 (output_bvb patterns): Likewise.
10162 * pa.c (output_bb): Use 'bb' insn for long branch case.
10163 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10164 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10165 1. Correct length operand for alternatives 1 and 2.
10166 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10167 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10169 2006-04-14 Roger Sayle <roger@eyesopen.com>
10171 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10172 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10173 were accidentally reverted by r112959.
10175 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10177 PR middle-end/26823
10178 * except.h (eh_region_outermost): New prototype.
10179 * except.c (eh_region_outermost): New function.
10180 * tree-cfg.c (find_outermost_region_in_block): Use it.
10182 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10184 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10186 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10187 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10188 (init_reload, reload): Use VEC instead of VARRAY.
10189 * reload.h: Update the prototype for
10190 reg_equiv_memory_loc_varray.
10192 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10193 Eric Botcazou <ebotcazou@libertysurf.fr>
10195 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10196 register save area.
10198 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10200 PR middle-end/27134
10201 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10202 to expand fallback builtin function call.
10204 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10206 PR middle-end/27095
10207 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10208 and emit libcall here in case the builtin fails.
10209 (expand_builtin_strcmp): Always emit the libcall here on failure.
10211 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10213 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10214 * flow.c (reg_n_info): Change the type to
10215 VEC(reg_info_p,heap) *.
10216 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10218 * regs.h (reg_info_p): New.
10219 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10220 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10221 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10224 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10226 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10228 * params.h (MAX_SCHED_READY_INSNS): New macro.
10229 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10230 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10231 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10232 the ready list for 1 cycle during the first scheduling pass.
10233 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10235 2006-04-13 Richard Henderson <rth@redhat.com>
10238 * gimple-low.c (lower_omp_directive): Remove dead code.
10239 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10240 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10241 * omp-low.c (struct omp_region): Move to tree-flow.h.
10242 (root_omp_region): Export.
10243 (omp_regions, lookup_omp_region): Remove.
10244 (determine_parallel_type): Update for struct omp_region changes.
10245 (dump_omp_region): Dump regions with block numbers.
10246 (new_omp_region): Take type and block instead of stmt; malloc
10248 (free_omp_region_1, free_omp_regions): New.
10249 (expand_parallel_call): Take entry_stmt as argument; update for
10250 changes to omp_region.
10251 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10252 (remove_exit_barriers): New.
10253 (expand_omp_parallel): Update for struct omp_region changes.
10254 (expand_omp_synch): Likewise.
10255 (expand_omp): Likewise.
10256 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10257 (expand_omp_for_static_chunk): Likewise.
10258 (expand_omp_for): Likewise.
10259 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10260 (expand_omp_sections): Similarly, with GOMP_sections_end.
10261 (expand_omp_single): New.
10262 (build_omp_regions_1): Update for OMP_CONTINUE.
10263 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10264 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10265 OMP_SECTIONS_SECTIONS.
10266 (lower_omp_single_simple): Don't emit barrier here.
10267 (lower_omp_single_copy): Likewise.
10268 (lower_omp_single): Fix bindings, and lower to straightline now.
10269 (lower_omp_master, lower_omp_ordered): Likewise.
10270 (lower_omp_critical): Likewise.
10271 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10272 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10273 omp edges, free it afterward.
10274 (make_omp_sections_edges): Remove.
10275 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10276 (move_stmt_r): Handle OMP_CONTINUE.
10277 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10278 statement pointers to basic blocks. Add type member.
10279 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10280 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10281 * tree-inline.c (estimate_num_insns_1): Likewise.
10282 * tree-pretty-print.c (dump_generic_node): Likewise.
10283 * tree-ssa-operands.c (get_expr_operands): Likewise.
10284 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10285 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10286 (OMP_CONTINUE): New.
10287 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10288 (OMP_SECTIONS_SECTIONS): Remove.
10289 (OMP_SECTION_LAST): New.
10290 (OMP_RETURN_NOWAIT): New.
10292 2006-04-13 Roger Sayle <roger@eyesopen.com>
10294 * fold-const.c (native_encode_vector, native_interpret_real):
10295 Correct obvious mistakes in the previous check-in.
10297 2006-04-13 Roger Sayle <roger@eyesopen.com>
10299 * fold-const.c (native_encode_expr): New function to encode
10300 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10301 or VECTOR_CST into a specified buffer.
10302 (native_encode_int): New function.
10303 (native_encode_real): New function.
10304 (native_encode_complex): New function.
10305 (native_encode_vector): New function.
10306 (native_interpret_expr): Inverse of native_encode_expr to convert
10307 a target representation into an INTEGER_CST, REAL_CST etc...
10308 (native_interpret_int): New function.
10309 (native_interpret_real): New function.
10310 (native_interpret_complex): New function.
10311 (native_interpret_vector): New function.
10312 (fold_view_convert_expr): New function to constant fold/evaluate
10313 a VIEW_CONVERT_EXPR of a suitable constant expression.
10314 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10315 Change call of build1 to fold_build1 when constructing a
10318 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10319 Ulrich Weigand <uweigand@de.ibm.com>
10322 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10325 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10328 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10329 optimize to lo_sum for DFmode if !TARGET_FPRS.
10331 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10333 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10334 delete_alias_info, compute_flow_sensitive_aliasing,
10335 group_aliases): Use VEC instead of VARRAY.
10336 * tree-ssa-structalias.c (update_alias_info): Likewise.
10337 * tree-ssa-structalias.h (alias_info): Change the type of
10338 processed_ptrs to VEC(tree,heap) *.
10340 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10343 * config/sh/lib1funcs.h: New file, broken out of:
10344 * config/sh/lib1funcs.asm.
10345 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10347 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10348 * config/sh/lib1funcs-Os-4-200.asm: New file.
10349 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10350 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10351 (EXTRA_MULTILIB_PARTS): Include it.
10352 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10353 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10354 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10355 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10358 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10360 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10361 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10362 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10364 * tree-ssa-live.h: Include vecprim.h.
10365 (tree_partition_associator_d): Change the type of
10366 first_partition to VEC(int,heap) *.
10367 (tpa_first_partition): Use VEC instead of VARRAY.
10369 * Makefile.in (GTFILES): Move functions.h after tree.h.
10370 * function.c (reset_block_changes, record_block_change,
10371 check_block_change, free_block_changes): Use VEC instead of
10373 * function.h (function): Change the type of
10374 ib_boundaries_block to VEC(tree,gc) *.
10375 * tree-inline.c (copy_cfg_body): Initialize
10376 ib_boundaries_block to NULL instead of (varray_type) 0.
10378 2006-04-12 Roger Sayle <roger@eyesopen.com>
10380 * expr.c (emit_group_store): Correct operand order in call to
10381 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10382 a SUBREG_BYTE of zero.
10384 2006-04-12 Richard Guenther <rguenther@suse.de>
10386 * profile.c (compute_branch_probabilities): Remove code
10387 encapsulated in !ir_type (), which are remanents of the
10388 removed RTL profiling code.
10389 * rtl-profile.c: Remove.
10391 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10393 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10394 magic NULL_RTX comment.
10395 (function_arg): Store entire fp arg to mem if any part should go
10397 (rs6000_arg_partial_bytes): Adjust for above change.
10399 2006-04-11 Roger Sayle <roger@eyesopen.com>
10401 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10402 if it hasn't been initialized by dwarf2out_init.
10404 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10406 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10407 symbolic constants in branch patterns.
10409 2006-04-11 Roger Sayle <roger@eyesopen.com>
10411 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10413 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10415 PR rtl-optimization/27073
10416 * gcse.c (try_replace_reg): Revert last change. Continue to search
10417 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10420 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10422 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10423 aggregate types other than record and union types.
10424 (function_arg): Likewise.
10425 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10427 (function_value): In 64-bit mode, return objects that require it
10430 2006-04-11 Roger Sayle <roger@eyesopen.com>
10432 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10434 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10436 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10438 2006-04-03 Jeff Law <law@redhat.com>
10441 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10442 alias information too.
10444 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10446 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10448 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10451 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10452 (premark_used_types_helper): New.
10453 (premark_used_types): New.
10454 (gen_subprogram_die): Call premark_used_types.
10455 (prune_unused_types_walk): Do not prune perennial dies.
10456 * function.c (used_types_insert): New.
10457 * function.h (struct function): Add used_types_hash field.
10458 (used_types_insert): Add prototype.
10459 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10460 * c-parser.c (c_parser_cast_expression): Save casted types in used
10463 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10466 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10467 rs6000_explicit_options.float_gprs.
10469 2006-04-10 Roger Sayle <roger@eyesopen.com>
10471 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10472 from ix86_expand_vector_init_low_nonzero. Take an additional
10473 one_var argument indicating which element is non-zero. Support
10474 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10475 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10476 with one_var instead of ix86_expand_vector_init_low_nonzero.
10478 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10480 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10481 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10482 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10483 build/genextract.o): Depend on vecprim.h.
10484 * cfglayout.c, df-problems.c, function.c, genextract.c,
10485 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10486 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10490 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10492 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10493 Declare VECs of this type.
10494 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10495 (remove_children): Delete.
10496 (add_dwarf_attr): Use VEC routines.
10497 (add_AT_flag): Update for changes to add_dwarf_attr.
10498 (add_AT_int): Likewise.
10499 (add_AT_unsigned): Likewise.
10500 (add_AT_long_long): Likewise.
10501 (add_AT_vec): Likewise.
10502 (add_AT_string): Likewise.
10503 (add_AT_die_ref): Likewise.
10504 (add_AT_fde_ref): Likewise.
10505 (add_AT_loc): Likewise.
10506 (add_AT_loc_list): Likewise.
10507 (add_AT_addr): Likewise.
10508 (add_AT_lbl_id): Likewise.
10509 (add_AT_lineptr): Likewise.
10510 (add_AT_macptr): Likewise.
10511 (add_AT_offset): Likewise.
10512 (add_AT_range_list): Likewise.
10513 (get_AT): Use VEC_iterate.
10514 (remove_AT): Use VEC_ordered_remove.
10515 (free_die): Fold remove_children into here; have it use VEC_iterate.
10516 (print_die): Use VEC_iterate on attrs.
10517 (reverse_die_lists): Don't reverse attr lists.
10518 (die_checksum): Use VEC_iterate on attrs.
10519 (same_die_p): Likewise.
10520 (output_location_lists): Likewise.
10521 (build_abbrev_table): Likewise.
10522 (size_of_die): Likewise.
10523 (unmark_all_dies): Likewise.
10524 (output_abbrev_section): Likewise.
10525 (output_die): Likewise.
10526 (prune_unused_types_walk_attribs): Likewise.
10528 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10530 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10532 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10535 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10537 2006-04-09 Roger Sayle <roger@eyesopen.com>
10539 * expr.c (store_constructor): Don't bother clearing target if
10540 we're about to assign a vector to it using vec_init_optab.
10542 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10544 * tree-ssa-alias.c (lhs_may_store_to): New function.
10545 (recalculate_used_alone): Handle LHS of calls.
10547 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10551 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10552 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10553 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10554 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10555 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10556 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10557 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10558 stubs. Add ".align 8" directives before all ".dword" directives.
10559 (GTHREAD_USE_WEAK): Revise comment.
10560 (TARGET_ATTRIBUTE_WEAK): Define.
10561 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10562 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10563 * stublib.c: New file.
10568 * pa.md (cbranch patterns): Revise arguments used in calls to
10569 output_cbranch, output_bb and output_bvd. Add long branch length
10571 (fbranch patterns): Handle long branches.
10572 (jump): Revise length check. Revise arguments for output_lbranch call.
10573 Add long branch length attributes.
10574 (decrement_and_branch_until_zero): Add long branch length attributes.
10575 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10576 Likewise. Revise arguments for output_parallel_addb and
10577 output_parallel_movb calls.
10578 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10579 output_parallel_movb and output_parallel_addb): Update prototypes.
10580 * pa.c (output_cbranch): Revise arguments. Correct handling of
10581 nullification in long branches.
10582 (output_lbranch): Add new argument to control extraction of delay
10584 (output_bb): Handle long branches.
10585 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10586 output_parallel_addb): Likewise.
10588 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10590 PR rtl-optimization/27073
10591 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10594 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10596 * tree.h (tree_memory_tag): Add old_used_alone.
10597 (SMT_OLD_USED_ALONE): New macro.
10598 * tree-ssa-alias.c (recalculate_used_alone): Stop
10599 marking things for renaming unnecessarily.
10601 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10603 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10604 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10605 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10606 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10607 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10608 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10609 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10610 spelling convensions.
10611 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10612 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10613 typos. Follow spelling conventions.
10615 2006-04-07 DJ Delorie <dj@redhat.com>
10617 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10618 passed on the stack.
10619 (m32c_init_cumulative_args): When a function returns a structure,
10620 always pass the pointer to that return area on the stack.
10621 (m32c_function_arg_advance): Don't increment the parameter number
10622 if we're processing the returned structure pointer.
10623 (pushm_info): Reverse order of registers.
10625 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10627 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10628 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10629 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10630 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10631 build_int_cst_type.
10632 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10633 chrec_fold_multiply): Same.
10634 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10635 force_expr_to_var_cost): Same.
10636 * tree-mudflap.c (mf_xform_derefs_1): Same.
10637 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10639 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10641 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10642 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10645 2006-04-07 Jan Hubicka <jh@suse.cz>
10647 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10649 2006-04-07 Richard Guenther <rguenther@suse.de>
10651 PR tree-optimization/26135
10652 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10653 loads for store copy-prop.
10654 (copy_prop_visit_stmt): Likewise.
10656 2006-04-05 Robert Millan <robertmh@gnu.org>
10658 * config/i386/linux.h: Add a comment to mark macros that are
10659 being overriden in config/k*bsd-gnu.h.
10660 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10662 * config/knetbsd-gnu.h: Ditto.
10664 2006-04-06 Jan Hubicka <jh@suse.cz>
10668 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10671 2006-04-06 Mike Stump <mrs@apple.com>
10673 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10674 for HAVE_nonlocal_goto to be consistent.
10675 (expand_builtin_nonlocal_goto): Likewise.
10676 (expand_builtin_strcmp): Use #ifdef instead of #if
10677 for HAVE_cmpstrnsi to be consistent.
10679 2006-04-05 DJ Delorie <dj@redhat.com>
10681 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10684 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10686 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10687 got-relative addressing for anything but SImode.
10689 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10690 even if the calling function doesn't modify them.
10692 2006-04-05 Richard Guenther <rguenther@suse.de>
10694 PR tree-optimization/26919
10695 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10696 to cgraph_estimate_size_after_inlining.
10698 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10700 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10702 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10704 PR tree-optimization/26996
10705 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10706 VECTOR_TYPE variables.
10708 2006-04-05 Richard Guenther <rguenther@suse.de>
10710 PR tree-optimization/26763
10711 * fold-const.c (fold_comparison): Move folding of
10712 PTR + CST CMP PTR + CST ...
10713 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10715 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10717 * doc/install.texi (Prerequisites): Refine some wording on
10718 bootstrapping and ksh.
10719 Move the version numbers of DejaGnu here from the testing section
10720 and fix casing of names.
10721 Fix markup and clarify wording for autogen requirements.
10722 Refer to GCJ instead of just java.
10723 Refer to SVN instead of CVS.
10724 Describe diffutils as useful instead of necessary.
10725 (Downloading the source): Refer to SVN instead of CVS.
10726 Adjust a link to our web site accordingly.
10727 (Configuration): Fix casing of Bison.
10728 (Building): Refer to SVN instead of CVS.
10729 Fix a sentence on the use of Bison and remove duplicate (and
10730 incorrect) version number of Bison requirement.
10731 Remove one redundant list of packages needed for building.
10732 (Specific): Avoid reference to CVS.
10734 2006-04-04 Eric Christopher <echristo@apple.com>
10736 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10737 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10738 (rs6000_handle_struct_attribute): New.
10739 (rs6000_ms_bitfield_layout_p): Ditto.
10741 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10743 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10744 NULL for dso parameter to atexit_common.
10746 2006-04-04 Eric Christopher <echristo@apple.com>
10748 * config/i386/i386.c (machopic_output_stub): Output \t
10749 between instructions and operands.
10751 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10753 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10754 satisfies_constraint_[IL] to explicit tests on value.
10756 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10758 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10759 set_nb_iterations_in_loop): Use build_int_cst instead of
10760 build_int_cst_type.
10761 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10762 build_int_cst instead of convert.
10764 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10766 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10767 new value 2 for incoming.
10768 * function.c (expand_function_start): Call struct_value_rtx
10769 with incoming as 2.
10770 * config/sparc/sparc.md: Comment updated_return.
10771 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10772 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10773 struct return if sparc_std_struct_return and incoming is 2.
10774 (print_operand): Do not adjust return if
10775 sparc_std_struct_return.
10777 2006-04-04 Roger Sayle <roger@eyesopen.com>
10779 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10780 convert in the middle-end.
10781 * expr.c (store_expr, store_constructor, get_inner_reference,
10782 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10784 * tree.c (build_range_type): Likewise.
10786 2006-04-04 Tom Tromey <tromey@redhat.com>
10788 * doc/install.texi (Prerequisites): Mention jar.
10790 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10792 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10795 2006-04-04 Matthias Klose <doko@debian.org>
10797 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10801 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10804 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10806 * doc/extend.texi (Function Attributes): Rewrite visibility
10807 attribute documentation.
10808 * doc/invoke.texi (C++ Dialect Options): Rewrite
10809 -fvisibility-inlines-hidden documentation to describe something
10810 entirely different, although in practise compatible.
10811 (Code Gen Options): Warn about system headers in -fvisibility=
10814 * doc/extend.texi (Other Builtins): Document that
10815 __builtin_nan is a compile-time constant only when its argument
10818 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10820 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10821 trying to remove TRUNCATE check if all bits outside the new mode
10822 are identical to the sign bit.
10824 2006-04-03 Jeff Law <law@redhat.com>
10826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10827 and operand scanning in some common cases.
10829 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10830 Dale Johannesen <dalej@apple.com>
10833 * regclass.c (struct reg_pref): Update documentation.
10834 (regclass): Set prefclass to NO_REGS if memory is the best option.
10835 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10836 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10837 into account. For non-registers, equate an empty preferred
10838 reload class to a `!' in the constraint; move the if clause to
10839 do so after those that reject the insn.
10840 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10842 (find_dummy_reload): Likewise.
10843 * doc/tm.texi (Register Classes): Document what it means
10844 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10845 * config/i386/i386.c (ix86_preferred_reload_class): Force
10846 using SSE registers (and return NO_REGS for floating-point
10847 constants) if math is done with SSE.
10848 (ix86_preferred_output_reload_class): New.
10849 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10850 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10851 * config/i386/i386.md: Remove # register preferences.
10853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10856 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10857 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10858 the type of nb_iter.
10859 (instantiate_parameters_1): Convert the operands before calling
10860 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10861 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10863 2006-04-02 Roger Sayle <roger@eyesopen.com>
10865 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10866 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10867 instead of convert.
10868 * dojump.c (do_jump): Likewise.
10869 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10870 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10871 gimplify_boolean_expr): Likewise.
10872 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10873 * varasm.c (array_size_for_constructor): Likewise.
10874 * tree-object-size.c (compute_object_offset): Likewise.
10876 2006-04-02 Roger Sayle <roger@eyesopen.com>
10878 PR middle-end/26977
10879 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10880 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10882 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10884 PR tree-optimization/26939
10885 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10889 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10890 at_stmt. Convert the type of operands before calling
10891 build_polynomial_chrec.
10892 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10893 add_to_evolution_1.
10894 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10895 (instantiate_parameters_1): Convert the type of operands before calling
10896 build_polynomial_chrec.
10897 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10898 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10899 reset_evolution_in_loop): Insert asserts to check the types of the
10901 (chrec_type): Moved...
10902 (eq_evolutions_p): Use operand_equal_p.
10903 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10904 the types of the operands.
10905 (chrec_type): ...here.
10906 * tree-data-ref.c (create_data_ref): Convert the operands before
10907 calling chrec_replace_initial_condition.
10908 (same_access_functions, analyze_subscript_affine_affine,
10909 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10910 (compute_subscript_distance, analyze_ziv_subscript,
10911 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10912 analyze_miv_subscript): Convert the operands before calling
10913 chrec_fold_minus or chrec_fold_plus.
10915 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10917 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10918 the dependence_relations vector.
10919 (compute_data_dependences_for_loop): Adjust call to
10920 compute_all_dependences.
10922 2006-04-01 Roger Sayle <roger@eyesopen.com>
10923 Richard Henderson <rth@redhat.com>
10925 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10926 gimple_boolify on the condition before calling gimplify_expr.
10928 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10930 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10931 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10932 the frame size. Update to use the new macros.
10933 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10934 * config/xtensa/ieee754-df.S: Likewise.
10936 2006-03-31 Richard Henderson <rth@redhat.com>
10938 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10939 (make_edges): ... here. Control fallthru creation with a local
10940 variable. Do not play with fake edges.
10941 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10942 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10945 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10947 * dwarf2.h (DW64_CIE_ID): Define.
10948 * dwarf2out.c (DWARF_CIE_ID): Define.
10949 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10950 length header. Use DWARF_CIE_ID.
10951 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10952 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10954 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10956 * config/sh/linux-atomic.asm: New file.
10957 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10959 2006-03-31 DJ Delorie <dj@redhat.com>
10961 * config/m32c/cond.md: Set condition flags properly throughout.
10962 * config/m32c/minmax.md: Likewise.
10963 * config/m32c/prologue.md: Likewise.
10964 * config/m32c/bitops.md: Likewise.
10965 * config/m32c/muldiv.md: Likewise.
10966 * config/m32c/mov.md: Likewise.
10967 * config/m32c/addsub.md: Likewise.
10968 * config/m32c/m32c.md: Likewise.
10969 * config/m32c/jump.md: Likewise.
10970 * config/m32c/shift.md: Likewise.
10972 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10973 conditionally output the pattern for this.
10974 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10975 (m32c_compare_redundant): New.
10976 (m32c_output_compare): New.
10977 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10979 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10980 dest, not src. Allow other 4-byte modes.
10982 2006-03-30 Denis Chertykov <denisc@overta.ru>
10984 * doc/md.texi: Refer to avr/constraints.md instead of
10987 2006-03-30 Roger Sayle <roger@eyesopen.com>
10989 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10990 signed vs. unsigned comparison failures on some hosts.
10992 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10995 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10996 change to FLOAT_REGS.
10998 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10999 (rs6000_override_options): Use it.
11000 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11001 only for -mabi=spe/no-spe and -mabi=altivec.
11003 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11005 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11008 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11010 * Makefile.in: Rename docdir to gcc_docdir.
11012 2006-03-30 Roger Sayle <roger@eyesopen.com>
11015 * expr.c (emit_group_store): Optimize group stores into a pseudo
11016 register by using a paradoxical subreg to initialize the destination
11017 if the first or last member of the group specifies a "low part".
11019 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11022 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11023 * target.h (struct gcc_target.speculate_insn): Change type of the
11024 second parameter to 'int'.
11025 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11026 the second operand of the DEPS_LIST.
11027 (copy_DEPS_LIST_list): Update reference to the second operand of the
11029 * rtl.h (alloc_DEPS_LIST): Update signature.
11030 * sched-int.h (ds_t): Change typedef to 'int'.
11031 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11033 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11035 * haifa-sched.c (try_ready): Change condition to restore
11036 non-speculative pattern of the instruction.
11037 (process_insn_depend_be_in_spec): Code to keep probability of the
11038 speculative dependence non-decreasing.
11040 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11042 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11043 (single_move_for_movmem): ... this. Also change all uses.
11044 (bfin_expand_strmov): Renamed to...
11045 (bfin_expand_movmem): ... this. Also change all uses.
11046 * config/bfin/bfin.md (movstrsi): Renamed to...
11047 (movstrsi): ...this.
11049 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11051 PR tree-optimization/26830
11053 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11054 (copy_prop_visit_stmt): Remove write-only variable ann.
11055 (init_copy_prop): Check variable loop depth here. Do not simulate
11056 memory-tag and virtual operand PHIs except for store copy prop.
11058 2006-03-30 Richard Guenther <rguenther@suse.de>
11060 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11061 variants with double arguments.
11063 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11065 * genpreds.c (write_tm_constrs_h): Delete variable p.
11066 * genconditions.c (write_header): Add tm-constrs.h to included
11068 * genpeep.c (main): Add toplev.h to included headers.
11069 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11070 (build/genpeep.o): Add toplev.h dependency.
11071 * config/rs6000/constraints.md: Add "W" constraint.
11073 2006-03-29 Roger Sayle <roger@eyesopen.com>
11075 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11076 sizes by correctly testing whether the size fits a host integer.
11077 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11078 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11079 SImode range for the default sizetype and bitsizetype.
11081 2006-03-29 Roger Sayle <roger@eyesopen.com>
11083 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11084 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11085 quickly if the argument is already of the correct type.
11086 Call fold_build1 instead of build1. Tidy up blank lines.
11088 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11090 * genemit.c (main): Add tm-constrs.h to included headers.
11091 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11092 * genpeep.c (main): Add tm-constrs.h to included headers.
11093 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11094 (write_tm_constrs_h): this and write complete file.
11095 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11096 (write_insn_preds_c): Add tm-constrs.h to included headers.
11097 (gen_constrs): New variable.
11098 (parse_option): Parse "-c".
11099 (main): Invoke write_tm_constrs_h.
11100 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11101 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11102 (object_out_file): Add tm-constrs.h dependency.
11103 (insn-emit.o): Same.
11104 (insn-output.o): Same.
11105 (insn-peep.o): Same.
11106 (insn-preds.o): Same.
11107 (insn-recog.o): Same.
11108 (tm-constsr.h): New target.
11109 (s-constrs-h): New target.
11111 * config/rs6000/constraints.md: New file.
11112 * config/rs6000/rs6000.c: Include tm-constrs.h.
11113 (num_insn_constant_wide): Convert to satisfies_constraint.
11114 (rs6000_rtx_costs): Convert to satisfies_constraint.
11115 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11116 (CONST_OK_FOR_LETTER_P): Delete.
11117 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11118 (EXTRA_CONSTRAINT): Delete.
11119 (EXTRA_MEMORY_CONSTRAINT): Delete.
11120 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11121 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11122 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11123 satisfies_constraint.
11125 * config/i386/i386.c: Include tm-constrs.h.
11127 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11129 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11130 * tree-data-ref.c (find_data_references_in_loop,
11131 compute_data_dependences_for_loop): Use pointers to VEC.
11132 (analyze_all_data_dependences): Adjust calls.
11133 * tree-data-ref.h (find_data_references_in_loop,
11134 compute_data_dependences_for_loop): Adjust declarations.
11135 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11136 compute_data_dependences_for_loop.
11138 2006-03-29 Paul Brook <paul@codesourcery.com>
11140 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11141 (movdf_vfp): Ditto.
11143 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11145 PR tree-optimization/26859
11146 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11148 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11149 for the step after fold_convert.
11151 2006-03-29 Paul Brook <paul@codesourcery.com>
11153 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11154 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11156 2006-03-29 Paul Brook <paul@codesourcery.com>
11158 PR middle-end/23623
11159 * targhooks.c (default_narrow_bitfield): New fuction.
11160 * targhooks.h (default_narrow_bitfield): add prototype.
11161 * target.h (gcc_target): Add narrow_volatile_bitfield.
11162 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11163 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11164 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11165 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11167 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11169 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11171 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11172 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11173 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11174 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11175 (s390_function_arg_float): Allow SDmode and DDmode values to be
11176 passed in floating point registers.
11177 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11178 check with SCALAR_FLOAT_MODE_P.
11179 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11181 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11183 PR tree-optimization/25985
11184 * tree-ssa-loop-niter.c (number_of_iterations_le,
11185 number_of_iterations_ne): Make comments more precise.
11186 (number_of_iterations_cond): Add only_exit argument. Use the
11187 fact that signed variables do not overflow only when only_exit
11189 (loop_only_exit_p): New.
11190 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11191 number_of_iterations_cond.
11193 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11195 PR tree-optimization/26643
11196 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11199 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11201 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11202 (divsi3_i4_int): Likewise.
11204 2006-03-28 Roger Sayle <roger@eyesopen.com>
11206 * expr.c (emit_group_store): Only create a new pseudo reg if the
11207 quantity it needs to hold isn't already a suitable pseudo.
11209 2006-03-28 Jeff Law <law@redhat.com>
11211 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11212 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11214 2006-03-28 Roger Sayle <roger@eyesopen.com>
11216 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11217 the equivalent ~X & Y, and the symmetry related transformations.
11218 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11219 ~X & Y, and symmetry related transforms.
11221 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11223 Revert my 2006-03-27 patches.
11225 2006-03-28 Roger Sayle <roger@eyesopen.com>
11227 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11228 ~(T1)X, when T1 and T2 are integer types of the same precision
11229 and (T2)X isn't an extension.
11231 2006-03-28 Jeff Law <law@redhat.com>
11233 PR tree-optimization/26796
11234 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11235 need EH edge cleanups rather than purging them immediately.
11236 (eliminate_degenerate_phis): Handle queued EH cleanups.
11238 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11240 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11243 2006-03-27 Roger Sayle <roger@eyesopen.com>
11245 PR middle-end/22524
11246 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11247 cast BIT_NOT_EXPR operand to the correct type.
11249 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11251 * tree-loop-linear.c: Don't include varray.h.
11252 (gather_interchange_stats, try_interchange_loops,
11253 linear_transform_loops): Use VEC instead of VARRAY.
11254 * lambda-mat.c: Don't include varray.h.
11255 * tree-chrec.c: Same.
11256 * lambda-trans.c: Same.
11257 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11258 VEC instead of VARRAY.
11259 * tree-vectorizer.h: Idem.
11260 * tree-data-ref.c (dump_data_references,
11261 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11262 initialize_data_dependence_relation, finalize_ddr_dependent,
11263 compute_all_dependences, find_data_references_in_loop,
11264 compute_data_dependences_for_loop, analyze_all_data_dependences,
11265 free_dependence_relation, free_dependence_relations,
11266 free_data_refs): Idem.
11267 * tree-data-ref.h (data_reference_p, subscript_p): New.
11268 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11269 VEC instead of VARRAY.
11270 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11271 (find_data_references_in_loop, compute_data_dependences_for_loop,
11272 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11273 dump_data_dependence_relations, free_dependence_relations,
11274 free_data_refs): Adjust declaration.
11275 (lambda_transform_legal_p): Move declaration here...
11276 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11277 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11278 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11279 vect_analyze_data_refs): Use VEC instead of VARRAY.
11280 * lambda.h (lambda_transform_legal_p): ...from here.
11281 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11282 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11283 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11284 tree-chrec.o): Don't depend on VARRAY_H.
11286 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11288 * rtl.def (Copyright): Update date.
11289 (DEPS_LIST): Change type of the second operand to 'int'.
11290 * target.h (Copyright): Update date.
11291 (struct gcc_target.speculate_insn): Change type of the second parameter
11293 * lists.c (Copyright): Update date.
11294 (alloc_DEPS_LIST): Change signature. Update reference to the second
11295 operand of the DEPS_LIST.
11296 (copy_DEPS_LIST_list): Update reference to the second operand of the
11298 * rtl.h (Copyright): Update date.
11299 (alloc_DEPS_LIST): Update signature.
11300 * sched-int.h (Copyright): Update date.
11301 (ds_t): Change typedef to 'int'.
11302 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11304 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11306 * haifa-sched.c (Copyright): Update date.
11307 (try_ready): Change condition to restore non-speculative pattern
11308 of the instruction.
11309 (process_insn_depend_be_in_spec): Code to keep probability of the
11310 speculative dependence non-decreasing.
11312 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11314 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11315 shut up the compiler.
11317 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11319 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11320 to use lib prefix for target.
11321 ($(T)libic_invalidate_array_4-200.a): Likewise.
11322 ($(T)libic_invalidate_array_4a.a): Likewise.
11324 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11325 J"orn Rennecke <joern.rennecke@st.com>
11327 * superh.opt: New file.
11328 * sh.c (boardtype, osruntime): Remove.
11329 * superh.h (SUBTARGET_OPTIONS): Remove.
11330 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11332 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11333 arguments with ^ and/or [].
11335 * config.gcc (sh-*-*): Add quoting to account for quirk of
11337 Replace == with = in enable_incomplete_targets test.
11339 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11340 with MASK_LITTLE_ENDIAN.
11342 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11343 * config/sh/sh.opt: Added to some comments.
11344 * config/sh/superh.h: Removed some chaff.
11346 * config/sh/sh.opt: Add m4-[1234]00* options.
11347 * config/sh/sh.c (sh_handle_option): Likewise.
11348 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11349 (ic_invalidate_array_4-100.o): New rule.
11350 ($(T)libic_invalidate_array_4-100.a): Likewise.
11351 (ic_invalidate_array_4-200.o): Likewise.
11352 ($(T)libic_invalidate_array_4-200.a): Likewise.
11353 (ic_invalidate_array_4a.o): Likewise.
11354 ($(T)libic_invalidate_array_4a.a): Likewise.
11355 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11356 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11358 * config/sh/crt1.asm: Merged in profiling code.
11359 * config/sh/superh.h (STARTFILE_SPEC): Override.
11360 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11361 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11362 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11364 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11365 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11366 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11368 * sh.opt (mpretend-cmove): New option.
11369 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11370 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11371 (movsicc): Add TARGET_PRETEND_CMOVE code.
11373 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11375 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11376 s390_class_max_nregs): New function prototypes.
11377 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11378 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11379 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11380 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11382 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11384 * dwarf2out.c (add_location_or_const_value_attribute): Call
11385 tree_add_const_value_attribute if nothing else works.
11386 (reference_to_unused): New.
11387 (rtl_for_decl_init): Use reference_to_unused to decide whether
11388 to output an initializer.
11390 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11393 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11394 peephole removing spe frob_di_df_2.
11396 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11398 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11399 (subscript_dependence_tester_1): Declared.
11400 (print_dir_vectors, print_dist_vectors): New.
11401 (debug_data_dependence_relation): New.
11402 (dump_data_dependence_relation): Print more details.
11403 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11404 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11405 (save_dist_v, save_dir_v, add_outer_distances,
11406 build_classic_dist_vector_1): New.
11407 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11408 Don't test for lambda_vector_lexico_pos.
11409 (same_access_functions, add_multivariate_self_dist,
11410 add_other_self_distances, dir_from_dist): New.
11411 (build_classic_dir_vector): Replace implementation almost identical to
11412 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11414 (subscript_dependence_tester_1): New.
11415 (subscript_dependence_tester): Handle the lexicographically negative
11416 distance vectors by recomputing the dependence relation.
11417 (compute_affine_dependence): Remove parameter loop_nest_depth.
11418 (compute_self_dependence): Don't call compute_subscript_distance.
11419 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11420 Add a parameter for the loop_nest.
11421 (find_loop_nest_1, find_loop_nest): New.
11422 (compute_data_dependences_for_loop): Compute the loop nest, and give
11423 up if the nest is not well formed.
11424 * tree-data-ref.h (loop_p): New.
11425 (struct data_dependence_relation): Replace size_vect field with
11426 loop_nest, a vec of loops.
11427 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11428 (DDR_LOOP_NEST): New.
11429 (print_dir_vectors, print_dist_vectors,
11430 debug_data_dependence_relation): Declared.
11431 (index_in_loop_nest): New.
11432 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11433 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11436 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11438 * simplify-rtx.c (simplify_relational_operation): Call
11439 simplify_relational_operation_1 even if mode is VOIDmode.
11441 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11443 PR tree-optimization/26804
11444 * tree.h (DECL_CALL_CLOBBERED): New macro.
11445 (tree_decl_common): Add call_clobbered_flag.
11446 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11447 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11448 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11449 (mark_non_addressable): Ditto.
11450 * tree-ssa.c (verify_call_clobbered): New function.
11451 (verify_alias_info): Use it.
11452 * tree-pass.h (pass_reset_cc_flags): New prototype.
11453 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11454 (reset_cc_flags): New function.
11455 * passes.c (init_optimization_passes): Call reset_cc_flags after
11456 initializing referenced_vars.
11458 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11459 Roger Sayle <roger@eyesopen.com>
11461 PR middle-end/26717
11462 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11463 to 1.0 for non-real operands. Implement A / A optimization for
11466 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11468 * config/i386/i386.c (size_cost): Correct the comment for
11469 cost of storing fp registers.
11470 (i386_cost): Likewise.
11471 (i486_cost): Likewise.
11472 (pentium_cost): Likewise.
11473 (pentiumpro_cost): Likewise.
11474 (k6_cost): Likewise.
11475 (athlon_cost): Likewise.
11476 (k8_cost): Likewise.
11477 (pentium4_cost): Likewise.
11478 (nocona_cost): Likewise.
11479 (generic64_cost): Likewise.
11480 (generic32_cost): Likewise.
11482 2006-03-24 Denis Chertykov <denisc@overta.ru>
11484 * config/avr/avr-protos.h (extra_constraint): Delete.
11485 (extra_constraint_Q): New declaration.
11486 * config/avr/constraints.md: New file.
11487 * config/avr/avr.md: Include it.
11488 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11489 (TMP_REGNO, ZERO_REGNO): Likewise.
11490 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11491 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11492 (extra_constraint): Delete.
11493 (extra_constraint_Q): Test for memory constraint 'Q'.
11494 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11495 (REG_CLASS_FROM_LETTER): Delete.
11496 (CONST_OK_FOR_LETTER_P): Delete.
11497 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11498 (EXTRA_CONSTRAINT): Delete.
11499 (TMP_REGNO): Delete.
11500 (ZERO_REGNO): Delete.
11502 2006-03-24 Jeff Law <law@redhat.com>
11504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11505 directly. Call mark_new_vars_to_rename slightly earlier.
11507 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11509 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11510 (is_cxx): Likewise.
11511 (gen_compile_unit_die): Use new language types for Objective-C and
11513 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11514 DW_LANG_C_plus_plus.
11517 * config/t-darwin (crt3.o): Work around bug 26840.
11518 * config/darwin-crt3.c: Rewrite.
11519 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11521 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11523 * doc/invoke.texi: Document -femit-class-debug-always
11524 * common.opt: Add -femit-class-debug-always.
11526 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11528 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11529 index and base register.
11530 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11531 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11532 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11533 REGNO_OK_FOR_INDEX_P.
11534 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11536 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11537 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11538 REG_OK_FOR_BASE_P): Definitions removed.
11540 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11542 PR middle-end/26611
11543 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11544 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11545 set yet or weren't marked as local yet.
11547 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11549 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11552 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11554 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11555 (rs6000_legitimate_small_data_p): Delete.
11556 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11557 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11558 and make static. Add forward declaration. Update uses.
11559 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11560 of offsettable_memref_p.
11561 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11562 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11564 2006-03-24 Jeff Law <law@redhat.com>
11566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11567 around bug in immediate-use iterator.
11569 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11572 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11573 or __LITTLE_ENDIAN__.
11575 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11577 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11578 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11579 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11580 * config/sh/sh.opt (mdiv=): Amend description.
11581 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11582 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11583 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11584 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11585 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11586 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11587 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11588 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11589 TARGET_DIVIDE_CALL_FP.
11591 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11593 * haifa-sched.c (choose_ready): Fix type of the local variable.
11594 Move local variables. Add comment.
11595 (check_reg_live): Change signature. Make callable from debugger.
11596 * sched-int.h (check_reg_live): Update signature.
11597 * sched-ebb.c (check_reg_live): Update parameters.
11598 * sched-rgn.c (check_reg_live): Ditto.
11599 (region_head_or_leaf_p): Check pointer before dereferencing.
11600 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11601 before reload on optimization levels below 1.
11603 2006-03-23 Richard Henderson <rth@redhat.com>
11605 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11609 * config/alpha/predicates.md (local_symbolic_operand): Reject
11612 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11615 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11616 expressions which have overflowed constants.
11618 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11620 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11622 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11624 * cfgloopmanip.c (create_loop_notes): Removed.
11625 * final.c (final_scan_insn): Do not handle loop notes.
11626 * jump.c (squeeze_notes): Ditto.
11627 * cfglayout.c (skip_insns_after_block,
11628 duplicate_insn_chain): Ditto.
11629 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11631 * cfgloop.h (create_loop_notes): Declaration removed.
11633 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11635 * varasm.c (output_constant_pool): Restore fnname and fndecl
11637 (assemble_start_function): Adjust call accordingly.
11638 (assemble_end_function): Likewise.
11640 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11643 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11646 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11648 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11651 * system.h (ICE_EXIT_CODE): New macro.
11652 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11653 (diagnostic_action_after_output): Likewise.
11654 * gcc.c (fatal_ice): New function.
11655 (execute): Use it instead of fatal.
11656 (fancy_abort): Likewise.
11657 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11659 2006-03-22 Jeff Law <law@redhat.com>
11661 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11662 iv_analyze_result returning false.
11664 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11666 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11668 2006-03-22 Richard Henderson <rth@redhat.com>
11670 PR middle-end/26084
11671 * except.c (duplicate_eh_regions_0): New.
11672 (duplicate_eh_region_1): Duplicate the children of the node as
11673 well as the node itself. Link them up properly.
11674 (duplicate_eh_region_2): Merge into ...
11675 (duplicate_eh_regions): ... here. Take copy_region argument, and
11676 copy only a sub-tree if asked. Simplify copying and fixup.
11677 (eh_region_outer_p): New.
11678 * except.h (duplicate_eh_regions): Update decl.
11679 (eh_region_outer_p): Declare.
11680 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11681 (lower_omp_master): Likewise.
11682 (lower_omp_ordered): Likewise.
11683 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11684 (move_stmt_r): Use it to remap labels. Handle recursion vs
11685 remap_decls_p properly.
11686 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11687 (find_outermost_region_in_block): New.
11688 (new_label_mapper): New.
11689 (move_sese_region_to_fn): Copy eh information to the new function
11691 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11693 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11696 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11698 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11699 into shared libraries.
11701 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11703 * doc/md.texi: Refer to i386/constraints.md instead of
11704 i386/predicates.md.
11705 * config/i386/constraints.md: New file, extracted from...
11706 * config/i386/predicates.md: ...here.
11707 * config/i386/i386.md: Include constraints.md.
11709 2006-03-21 Jason Merrill <jason@redhat.com>
11711 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11713 PR middle-end/20297
11714 * expr.c (init_block_move_fn): Force default visibility.
11715 (init_block_clear_fn): Likewise.
11716 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11717 * targhooks.c (default_external_stack_protect_fail): Likewise.
11719 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11721 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11722 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11723 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11724 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11725 (loadgp): Use mips_current_loadgp_style.
11726 (loadgp_noshared): New pattern.
11727 (sibcall_internal): Use MIPS_CALL.
11728 (sibcall_value_internal): Likewise.
11729 (sibcall_value_multiple_internal): Likewise.
11730 (call_internal): Likewise.
11731 (call_value_internal): Likewise.
11732 (call_value_multiple_internal): Likewise.
11733 (call_split): Use MIPS_CALL and add an 'S' constraint.
11734 (call_value_split): Likewise.
11735 (call_value_multiple_split): Likewise.
11736 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11737 (-mshared): New option.
11738 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11739 (mips_current_loadgp_style): Declare.
11740 * config/mips/mips.c (mips_classify_symbol): Avoid using
11741 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11742 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11743 TARGET_ABSOLUTE_ABICALLS.
11744 (override_options): Adjust comments. Improve the warning that is
11745 issued when -mabicalls and -G are used together.
11746 (mips_file_start): Remove comment.
11747 (mips_current_loadgp_style): New function.
11748 (mips_gnu_local_gp): New variable.
11749 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11751 (mips_output_function_prologue): Use mips_current_laodgp_style.
11752 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11753 the cprestore instruction.
11754 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11755 live for TARGET_ABSOLUTE_ABICALLS.
11756 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11757 (ASM_SPEC): Pass down -mshared and -mno-shared.
11758 (MIPS_CALL): New macro.
11759 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11761 * doc/invoke.texi (-mabicalls): Update documentation.
11762 (-mshared): Document.
11764 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11766 * config/ia64/unwind-hpux.c: New file.
11767 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11769 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11772 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11774 2006-03-21 Jeff Law <law@redhat.com>
11776 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11777 type conversions of a VR_VARYING source to a wider type.
11779 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11781 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11782 tm_file on Solaris 10 and later.
11783 (sparc64-*-solaris2*): Likewise.
11784 (sparc-*-solaris2*): Likewise.
11785 * config/sol26.h: Rename to config/sol2-6.h.
11786 * config/sol2-10.h: New file.
11788 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11791 * tree-ssa-pre.c (create_component_ref_by_pieces):
11794 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11797 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11798 return it immediately.
11800 2006-03-21 Michael Matz <matz@suse.de>
11802 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11804 (remove_arc, add_arc): Update num_out_arcs member.
11805 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11807 (cache_presence): New function.
11808 (compare_states_for_equiv): New function.
11809 (state_is_differed): Don't take number of outargs, adjust callers.
11810 Use new invariant for speeding up.
11811 (init_equiv_class): Create initial classes based on sorted
11813 (partition_equiv_class): Don't track out_arcs_num.
11814 (evaluate_equiv_classes): Call cache_presence on all states and
11817 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11819 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11820 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11821 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11822 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11824 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11825 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11826 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11827 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11828 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11830 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11831 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11832 (REGNO_REG_CLASS): ARGP is in PREGS.
11833 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11835 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11836 to deal with those addresses.
11837 * addresses.h: New file.
11838 * caller-save.c: Include "addresses.h".
11839 (init_caller_save): Use new base_reg_class function.
11840 * rtl-factoring.c: Include "addresses.h".
11841 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11842 * recog.c: Include "addresses.h".
11843 (preprocess_constraints): Use new base_reg_class function.
11844 * regrename.c: Include "addresses.h".
11845 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11846 functions. Keep track of a new var INDEX_CODE to compute valid
11848 (replace_oldest_value_addr): Likewise.
11849 (replace_oldest_value_mem): Use base_reg_class.
11850 * reload.c: Include "addresses.h".
11851 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11852 (find_reloads): Use new base_reg_class function.
11853 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11854 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11855 all callers and prototype changed.
11856 * reload1.c: Include "addresses.h".
11857 (maybe_fix_stack_asms): Use base_reg_class.
11858 * regclass.c: Include "addresses.h".
11859 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11860 (init_reg_autoinc): Use new base_reg_class function.
11861 (record_reg_classes): Likewise.
11862 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11863 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11864 Use new args to compute necessary class.
11866 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11867 regrename.o, rtl-factoring.o): Update dependencies.
11868 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11869 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11870 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11871 REG_OK_FOR_INDEX_P): Delete documentation.
11873 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11875 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11876 from V7 to V9 for Solaris 7 and above.
11878 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11880 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11881 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11882 argument pointers may not alias any other storage.
11883 * common.opt: Define option -fargument-noalias-anything.
11884 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11885 alias semantics is specified by flag_argument_noalias > 2.
11887 2006-03-20 Jeff Law <law@redhat.com>
11889 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11890 (pass_phi_only_cprop): Declare.
11891 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11892 with phi_only_cprop
11893 * tree-ssa-dom.c (degenerate_phi_result): New function.
11894 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11895 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11896 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11897 (eliminate_degenerate_phis): Likewise.
11898 (pass_phi_only_cprop): New pass descriptor.
11899 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11900 support code. Callers updated.
11901 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11902 (store_copy_prop): Likewise.
11903 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11905 2006-03-20 Jason Merrill <jason@redhat.com>
11908 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11909 (push_visibility, pop_visibility): Likewise.
11910 * c-pragma.h: Declare them.
11912 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11914 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11916 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11917 parameter and use get_ebb_head_tail.
11918 (sh_md_init_global): Adjust uses of find_regmode_weight.
11920 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11922 * function.h (struct function) <x_tail_recursion_reentry>:
11923 Rename to x_stack_check_probe_note.
11924 (tail_recursion_reentry): Rename to stack_check_probe_note.
11925 * function.c: Replace tail_recursion_reentry with
11926 stack_check_probe_note everywhere.
11927 (expand_function_start): Only emit a note for
11928 stack_check_probe_note with -fstack-protect.
11929 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11931 * emit-rtl.c (remove_unnecessary_notes): Remove.
11932 (pass_remove_unnecessary_notes): Remove.
11933 * rtl.h (remove_unnecessary_notes): Remove prototype.
11934 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11935 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11936 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11938 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11941 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11942 (valid_in_set): Handle ARRAY_REF.
11943 Change "if min_variant or VH" to asserts.
11944 (create_component_ref_by_pieces): Handle ARRAY_REF.
11945 (create_expression_by_pieces): Likewise.
11946 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11948 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11950 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11951 is operand of switch, not str[0].
11953 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11955 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11956 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11958 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11960 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11961 end of insn_extra_address_constraint declaration.
11963 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11965 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11966 (no-sum-in-toc): Same.
11967 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11969 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11970 NO_FP_IN_TOC for -fPIC instead of mask.
11972 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11973 (BOOT_LDFLAGS): Delete.
11975 * config/rs6000/t-aix52: Same.
11977 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11978 (stmsi[345678]_power): New.
11980 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11982 * config/ia64/ia64.opt: Add empty line to end of file.
11984 2006-03-17 Richard Guenther <rguenther@suse.de>
11986 PR middle-end/26721
11987 * builtins.c (get_pointer_alignment): For component style references
11988 adjust alignment to the component type alignment. Make sure
11989 to adjust alignment for component access of constants.
11991 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11993 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11994 unconditional jump.
11996 2006-03-17 Paul Brook <paul@codesourcery.com>
11998 * doc/install.texi: Docuemnt --with-mode.
11999 * config.gcc: Add --with-mode for arm*-*-*.
12000 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12002 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12004 * sh.c (max_labelno_before_reorg): New variable.
12005 (sh_reorg): Initialize it.
12006 (find_barrier): Check max_labelno_before_reorg before using
12007 label_to_alignment. Take length of explicit alignment insns
12008 into account. When seeing a UNSPECV_CONST_END, return it.
12010 * sh.c (fixup_mova): Set mode of affected label to QImode.
12011 (untangle_mova): New function.
12012 (find_barrier): Use it. Check mode of label before decrementing
12014 (sh_reorg): Likewise.
12015 Set mode of all insns back to VOIDmode.
12017 * sh.c (MOVA_LABELREF): New macro.
12018 (mova_p, fixup_mova, sh_reorg): Use it.
12019 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12020 ADDR_DIFF_VEC matches mova.
12022 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12024 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12025 with ATTRIBUTE_UNUSED.
12027 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12029 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12030 pointer, instead of assuming it is possible to derive the
12031 correct args size from a call insn.
12033 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12035 * rtl.h (CONST_INT_P): Define.
12036 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12037 instead of GET_CODE(x) == CONST_INT.
12038 (vax_rtx_costs): Likewise.
12039 (vax_output_int_move): Likewise.
12040 (vax_output_int_add): Likewise.
12041 (legitimate_constant_address_p): Likewise.
12042 (index_term_p): Likewise.
12043 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12044 * config/vax/vax.md (and<mode>3): Likewise.
12045 (ashrsi3): Likewise.
12047 (movstricthi): Likewise.
12048 (movstrictqi): Likewise.
12049 (rotrsi3): Likewise.
12050 (five unnamed insns): Likewise.
12052 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12054 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12055 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12056 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12057 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12058 Pass to ASM_OUTPUT_DWARF_OFFSET.
12059 * dwarf2out.c (debug_frame_section): New.
12060 (output_call_frame_info): Use debug_frame_section. Pass it to
12061 dw2_asm_output_offset.
12062 (output_die): Pass appropriate section to dw2_asm_output_offset.
12063 (output_compilation_unit_header): Likewise.
12064 (output_pubnames): Likewise.
12065 (output_aranges): Likewise.
12066 (enum dw_val_class): Break dw_val_class_lbl_offset into
12067 dw_val_class_lineptr and dw_val_class_macptr.
12068 (add_AT_lbl_offset): Delete.
12069 (add_AT_lineptr): New.
12070 (add_AT_macptr): New.
12071 (AT_lbl): Expect a lineptr or macptr.
12072 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12073 (attr_checksum): Likewise.
12074 (same_dw_val_p): Likewise.
12075 (size_of_die): Likewise.
12076 (value_format): Likewise.
12077 (output_die): Likewise.
12078 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12080 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12081 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12082 * config/darwin-protos.h (darwin_file_start): New.
12083 (darwin_asm_output_dwarf_offset): New.
12084 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12085 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12087 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12088 if not EH section; simplify.
12089 (darwin_file_start): New.
12090 (darwin_asm_output_dwarf_offset): New.
12091 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12093 (DEBUG_INFO_SECTION): Likewise.
12094 (DEBUG_ABBREV_SECTION): Likewise.
12095 (DEBUG_ARANGES_SECTION): Likewise.
12096 (DEBUG_MACINFO_SECTION): Likewise.
12097 (DEBUG_LINE_SECTION): Likewise.
12098 (DEBUG_LOC_SECTION): Likewise.
12099 (DEBUG_PUBNAMES_SECTION): Likewise.
12100 (DEBUG_STR_SECTION): Likewise.
12101 (DEBUG_RANGES_SECTION): Likewise.
12102 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12103 (ASM_OUTPUT_DWARF_OFFSET): New.
12105 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12107 * config.gcc (tm_defines): Always add to previous value rather
12110 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12112 * config/mips/predicates.md (splittable_const_int_operand): New,
12113 split from move_operand.
12114 (splittable_symbolic_operand): New.
12115 (move_operand): Add commentary. Use splittable_const_int_operand.
12116 Inline mips_atomic_symbolic_constant_p.
12117 * config/mips/mips.md: Add combine splitters for handling moves
12118 of splittable_const_int_operands and splittable_symbolic_operands.
12119 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12120 (mips_split_symbol): Declare.
12121 (mips_move_integer): Declare.
12122 * config/mips/mips.c (mips_split_p): Make global.
12123 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12124 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12125 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12126 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12127 (mips_offset_within_object_p): Handle block symbols.
12128 (mips_atomic_symbolic_constant_p): Delete.
12129 (mips_cannot_force_const_mem): Return false for constants that
12130 mips_legitimize_move can handle.
12131 (mips_use_blocks_for_constant_p): New function.
12132 (mips_split_symbol): Make global.
12133 (mips_move_integer): Likewise. Add a temporary register argument.
12134 (mips_legitimize_const_move): Use splittable_const_int_operand and
12135 splittable_symbolic_operand.
12136 (mips_use_anchors_for_symbol_p): New function.
12137 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12138 (mips_split_p): Declare.
12140 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12142 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12143 (mips*-*-linux*): Likewise.
12145 2006-03-16 Roger Sayle <roger@eyesopen.com>
12146 Daniel Speyer <dspeyer@wam.umd.edu>
12148 PR middle-end/18259
12149 * tree-dump.c (dump_real): New function.
12150 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12151 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12152 (tree-dump.o): Add $(REAL_H) to the dependencies.
12154 2006-03-16 Roger Sayle <roger@eyesopen.com>
12156 PR middle-end/21781
12157 * real.c (real_from_string): If the mantissa is zero, don't bother
12158 parsing the exponent as the result should always be zero.
12160 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12162 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12166 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12167 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12168 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12169 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12170 ia64_sched_finish_global): New static functions to implement
12171 hooks from gcc_target.sched.
12172 (spec_check_no, max_uid, pending_data_specs): New static variables.
12173 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12174 ia64_spec_check_src_p): New static functions.
12175 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12176 (TARGET_SCHED_ADJUST_COST): Removed.
12177 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12178 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12179 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12180 TARGET_SCHED_GEN_CHECK,
12181 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12182 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12183 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12184 Fixed to handle speculation checks.
12185 (rtx_needs_barrier): Fixed to handle speculative loads and
12187 (ia64_variable_issue): Added code to count speculative loads and their
12189 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12191 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12193 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12195 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12196 (ia64_reorg): Reset stops_p to NULL after it is freed.
12197 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12198 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12199 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12201 (data_speculative, control_speculative, check_load): New attributes.
12202 (mov<mode>_advanced, mov<mode>_speculative,
12203 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12204 zero_extend<mode>di2_speculative,
12205 zero_extend<mode>di2_speculative_advanced): New patterns for
12206 data and control speculative loads.
12207 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12209 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12210 New pattern for data and control speculation checks.
12211 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12212 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12213 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12214 Auxiliary definitions for the patterns.
12215 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12216 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12218 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12220 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12221 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12222 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12223 New resource constraints.
12224 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12226 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12227 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12228 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12229 msched-in-control-spec, msched-ldc, msched-control-ldc,
12230 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12231 msched-prefer-non-control-spec-insns,
12232 msched-count-spec-in-critical-path): New flags to tune speculative
12234 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12235 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12236 msched-in-control-spec, msched-ldc, msched-control-ldc,
12237 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12238 msched-prefer-non-control-spec-insns,
12239 msched-count-spec-in-critical-path): Document new flags.
12241 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12243 * target.h (struct spec_info_def): New opaque declaration.
12244 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12245 speculate_insn, needs_block_p, gen_check,
12246 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12247 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12248 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12249 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12250 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12251 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12253 (TARGET_SCHED): Use new macros.
12254 * rtl.h (copy_DEPS_LIST_list): New prototype.
12255 * sched-int.h (struct sched_info): Change signature of new_ready field,
12256 adjust all initializations. New fields: add_remove_insn,
12257 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12258 region_head_or_leaf_p.
12259 (struct spec_info_def): New structure declaration.
12260 (spec_info_t): New typedef.
12261 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12262 recovery_block, orig_pat.
12263 (glat_start, glat_end): New variables declaraions.
12264 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12266 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12267 DETACH_LIFE_INFO, USE_GLAT.
12268 (enum SPEC_SCHED_FLAGS): New enumeration.
12269 (NOTE_NOTE_BB_P): New macro.
12270 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12271 attach_life_info, debug_spec_status, check_reg_live): New functions.
12272 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12273 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12275 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12276 * ddg.c (get_block_head_tail): Adjust all uses.
12277 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12278 (sms_sched_info): Initialize new fields.
12279 (contributes_to_priority): Removed.
12280 * haifa-sched.c (params.h): New include.
12281 (get_block_head_tail): Adjust all uses.
12282 (ISSUE_POINTS): New macro.
12283 (glat_start, glat_end): New global variables.
12284 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12285 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12286 old_last_basic_block, before_recovery, current_sched_info_var,
12287 rgn_n_insns, luid): New static variables.
12288 (insn_cost1): New function. Move logic from insn_cost to here.
12289 (find_insn_reg_weight1): New function. Move logic from
12290 find_insn_reg_weight to here.
12291 (reemit_notes, move_insn, max_issue): Change signature.
12292 (move_insn1): Removed.
12293 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12294 extend_bb): New static functions to support extension of scheduler's
12296 (generate_recovery_code, process_insn_depend_be_in_spec,
12297 begin_speculative_block, add_to_speculative_block,
12298 init_before_recovery, create_recovery_block, create_check_block_twin,
12299 fix_recovery_deps): New static functions to support
12300 generation of recovery code.
12301 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12302 restore_bb_notes, move_block_after_check, move_succs): New static
12303 functions to support ebb scheduling.
12304 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12305 functions to support handling of register live information.
12306 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12307 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12308 add_jump_dependencies): New static functions.
12309 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12310 consistancy checking.
12311 (debug_spec_status): New function to call from debugger.
12312 (priority): Added code to handle speculation checks.
12313 (rank_for_schedule): Added code to distinguish speculative instructions.
12314 (schedule_insn): Added code to handle speculation checks.
12315 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12316 Fixed to handle ebbs.
12317 (move_insn): Added code to handle ebb scheduling.
12318 (max_issue): Added code to use ISSUE_POINTS of instructions.
12319 (choose_ready): Added code to choose between speculative and
12320 non-speculative instructions.
12321 (schedule_block): Added code to handle ebb scheduling and scheduling of
12322 speculative instructions.
12323 (sched_init): Initialize new variables.
12324 (sched_finish): Free new variables. Print statistics.
12325 (try_ready): Added code to handle speculative instructions.
12326 * lists.c (copy_DEPS_LIST_list): New function.
12327 * sched-deps.c (extend_dependency_caches): New function. Move logic
12328 from create_dependency_caches to here.
12329 (get_dep_weak, ds_merge): Make global.
12330 * genattr.c (main): Code to output prototype for
12331 dfa_clear_single_insn_cache.
12332 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12333 (output_dfa_clean_insn_cache_func): Code to output
12334 dfa_clear_single_insn_cache function.
12335 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12337 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12339 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12340 New static variables.
12341 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12342 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12344 (ebb_sched_info): Initialize new fields.
12345 (get_block_head_tail): Adjust all uses.
12346 (compute_jump_reg_dependencies): Fixed to use glat_start.
12347 (schedule_ebb): Code to remove unreachable last block.
12348 (schedule_ebbs): Added code to update register live information.
12349 * sched-rgn.c (region_sched_info): Initialize new fields.
12350 (get_block_head_tail): Adjust all uses.
12351 (last_was_jump): Removed. Adjust users.
12352 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12353 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12354 Implement new hooks.
12355 (check_dead_notes1): New static function.
12356 (struct region): New fields: dont_calc_deps, has_real_ebb.
12357 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12358 (BB_TO_BLOCK): Fixed to handle EBBs.
12359 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12360 (ebb_head): New static variable.
12361 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12362 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12364 (compute_dom_prob_ps): New assertion.
12365 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12366 global_live_at_start.
12367 (init_ready_list): New assertions.
12368 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12369 (new_ready): Add support for BEGIN_CONTROL speculation.
12370 (schedule_insns): Fixed code that updates register live information
12372 (schedule_region): Fixed to handle EBBs.
12373 (init_regions): Use extend_regions and check_dead_notes1.
12374 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12375 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12376 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12377 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12378 TARGET_SCHED_GEN_CHECK,
12379 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12380 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12381 * doc/invoke.texi (max-sched-insn-conflict-delay,
12382 sched-spec-prob-cutoff): Document.
12384 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12386 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12387 inter_tick, queue_index.
12388 (struct sched_info): Change signature of init_ready_list field.
12389 Adjust all initializations.
12390 (RESOLVED_DEPS): New access macro.
12391 (ready_add): Remove prototype.
12392 (try_ready): Add prototype.
12393 * sched-rgn.c (init_ready_list): Use try_ready.
12394 (schedule_region): Initialize
12395 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12396 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12397 (init_ready_list): Use try_ready.
12398 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12399 * lists.c (remove_list_elem): Remove `static'.
12400 (remove_free_INSN_LIST_elem): New function.
12401 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12402 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12403 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12405 (readyp): New variable.
12406 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12407 change_queue_index, resolve_dep): New static functions.
12408 (try_ready): New function. Adjust callers in sched-rgn.c and
12409 sched-ebb.c to use it instead of ready_add.
12410 (clock_var): Move at the begining of file.
12411 (rank_for_schedule): Fix typo.
12412 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12413 (ready_lastpos): Enforce assertion.
12414 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12415 update all callers.
12416 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12417 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12418 (queue_to_ready): Use free_INSN_LIST_list.
12419 (early_queue_to_ready): Fix typo.
12420 (schedule_block): Init readyp. Move init_ready_list call after the
12421 initialization of clock_var. Fix error in rejecting insn by
12422 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12423 that previously corrected INSN_TICKs. Add code for handling
12425 (set_priorities): Fix typo.
12426 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12427 Clarify comment and code that keeps current_sched_info->next_tail
12430 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12432 * sched-rgn.c (extend_rgns): New static function.
12433 (find_rgns): Use it.
12434 (gather_region_statistics, print_region_statistics): New static
12436 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12437 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12440 Andrey Belevantsev <abel@ispras.ru>
12442 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12443 * lists.c (unused_deps_list): New variable.
12444 (free_list): Add assertions to verify the proper distinguishing
12445 between INSN_LISTs and DEPS_LISTs.
12446 (find_list_elem, remove_list_elem, remove_list_node): New static
12448 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12449 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12450 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12451 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12453 (free_INSN_LIST_node): Likewise.
12454 * modulo-sched.c (current_sched_info): Initialize flags field.
12455 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12456 * rtl.def (DEPS_LIST): Define.
12457 * rtl.h: Declare new functions from lists.c.
12458 * sched-deps.c (spec_dependency_cache): New static variable.
12459 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12460 (add_dependence): Change return type to void. Move the logic to ...
12461 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12462 (delete_all_dependences): Add comment about forward_dependency_cache.
12463 Handle spec_dependency_cache. Handle DEPS_LISTs.
12464 (fixup_sched_groups): Clarify the change of priority of output
12465 and anti dependencies.
12466 (sched_analyze_2): Adjust add_dependence calls to create data
12467 speculative dependence.
12468 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12469 Adjust all callers. Handle DEPS_LISTS.
12470 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12471 presence of speculation.
12472 (init_dependency_caches, free_dependency_caches):
12473 Handle spec_dependency_cache.
12474 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12475 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12476 New static functions.
12477 (add_or_update_back_dep, add_or_update_back_forw_dep,
12478 add_back_forw_dep, delete_back_forw_dep): New functions.
12479 * sched-int.h (ds_t, dw_t): New typedefs.
12480 (struct sched_info): Add new field flags.
12481 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12482 Prototype new sched-deps.c functions.
12483 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12484 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12485 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12486 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12487 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12488 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12490 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12492 * sched-rgn.c (current_sched_info): Initialize flags field.
12493 (schedule_insns): Initialize current_sched_info before the sched_init
12495 * sched-ebb.c (current_sched_info): Initialize flags field.
12496 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12497 Call add_or_update_back_dep instead of add_dependence.
12498 Create control speculative dependencies.
12499 (schedule_insns): Initialize current_sched_info before the sched_init
12502 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12504 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12506 (sh_fallback_frame_state): Likewise.
12508 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12510 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12511 Do switch on default_use_cxa_atexit.
12512 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12513 * config/darwin-crt3.o: New.
12514 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12515 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12516 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12518 * config/rs6000/t-darwin: Move crt2.o building to here.
12519 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12520 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12523 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12525 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12526 from '! xxx' to '!xxx' for coding-style conformance.
12527 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12528 (EXTRA_CONSTRAINT): Likewise.
12529 * config/vax/vax.md (four unnamed insns): Likewise.
12531 2006-03-15 Paul Brook <paul@codesourcery.com>
12533 * config/arm/arm.c (minipool_pad): New.
12534 (add_minipool_forward_ref): Include pool alignment padding in address
12536 (push_minipool_fix): Set minipool_pad.
12537 (minipool_pad): Ditto.
12539 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12541 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12542 instead of GET_CODE() == MEM and REG_P() instead of
12544 (print_operand_address): Likewise.
12545 (vax_address_cost): Likewise.
12546 (vax_rtx_costs): Likewise.
12547 (vax_notice_update_cc): Likewise.
12548 (vax_output_int_add): Likewise.
12549 (INDEX_REGISTER_P): Likewise.
12550 (BASE_REGISTER_P): Likewise.
12551 (nonindexed_address_p): Likewise.
12552 (vax_mode_dependent_address_p): Likewise.
12553 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12554 (PRINT_OPERAND): Likewise.
12555 * config/vax/vax.md (ashlsi3): Likewise.
12556 (ashlsi3): Likewise.
12557 (some more unnamed insns): Likewise.
12559 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12561 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12562 iterator-style macro.
12563 (mark_control_dependent_edges_necessary): Update the use of
12564 EXECUTE_IF_CONTROL_DEPENDENT.
12566 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12568 * config/sh/predicates.md (cache_address_operand): Special.
12569 (ua_address_operand): Likewise.
12571 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12573 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12575 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12577 2006-03-15 Andreas Schwab <schwab@suse.de>
12579 * gensupport.c (identify_predicable_attribute): Don't free p_false
12580 when it is still in use.
12582 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12584 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12585 the default setting here.
12587 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12589 * tree-pass.h (pass_cfg): Remove.
12590 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12591 * passes.c (pass_cfg): Don't run it.
12593 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12595 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12596 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12598 (stack_regs_mentioned): Update the uses of
12599 stack_regs_mentioned_data. Don't access the array beyond its
12601 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12602 Don't include gt-reg-stack.h.
12604 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12605 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12607 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12609 PR middle-end/26684
12610 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12613 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12615 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12617 2006-03-14 Richard Guenther <rguenther@suse.de>
12619 PR tree-optimization/26672
12620 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12623 2006-03-14 Richard Guenther <rguenther@suse.de>
12625 PR tree-optimization/26667
12626 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12627 node for the callees. Always allow inlining if it will shrink
12630 2006-03-14 Richard Guenther <rguenther@suse.de>
12632 PR middle-end/26659
12633 * builtins.c (get_pointer_alignment): Prefer alignment
12634 information from decls over that from types.
12636 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12639 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12641 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12643 * config/rs6000/rs6000.opt (mdlmzb): New option.
12644 (msched-prolog, msched-epilog): Use Var not Mask.
12645 * doc/invoke.texi (-mdlmzb): Document.
12646 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12648 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12649 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12651 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12653 PR rtl-optimization/25739
12654 * bt-load.c (augment_live_range): Free tos pointer.
12656 * gensupport.c (identify_predicable_attribute): Free
12658 * gcov.c (create_file_names): Free name pointer.
12660 2006-03-13 Roger Sayle <roger@eyesopen.com>
12662 PR middle-end/26557
12663 * stmt.c (emit_case_nodes): Handle the case where the index is a
12664 CONST_INT, where the comparison mode is specified by the index type.
12666 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12668 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12671 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12673 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12674 (*branch_fp_inverted): Likewise.
12676 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12678 PR middle-end/25989
12679 * omp-low.c (expand_omp_for_generic): Mark istart0
12680 and iend0 as addressable.
12682 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12684 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12686 2006-03-13 Jeff Law <law@redhat.com>
12688 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12689 virtual operands are interesting.
12690 (vrp_visit_stmt): Corresponding changes.
12692 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12694 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12697 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12698 * config/bfin/crti.S: Use it instead of __PIC__.
12699 * config/bfin/crtn.S: Likewise.
12701 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12702 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12704 Lose 'G' modifier for call operand.
12705 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12706 recognize 'G' modifier.
12708 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12710 PR middle-end/18859
12711 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12712 * stmt.c (expand_case): Likewise.
12714 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12716 PR rtl-optimization/26254
12717 * loop-invariant.c (seq_insns_valid_p): New function.
12718 (move_invariant_reg): Only emit new code if it is valid.
12720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12722 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12724 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12725 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12726 (commit_one_edge_insertion): Do not look for loop notes.
12728 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12730 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12731 flag_test_coverage out of loop.
12733 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12735 * final.c (shorten_branches): Remove outdated comment, and turn
12736 the if branch that guards it to continue.
12738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12740 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12741 * cfgloop.h (struct loop): Remove unused fields.
12743 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12745 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12746 (-dL, -fdump-rtl-loop2): Update the dump file names
12748 * doc/invoke.texi: Update dump file names.
12750 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12752 * predict.c (estimate_probability): Remove.
12753 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12754 * basic-block.h (estimate_probability): Remove prototype.
12755 * passes.c (finish_optimization_passes): Dump branch prediction or
12756 profiling heuristics to the .profile tree dump.
12757 (init_optimization_passes): Unqueue pass_branch_prob.
12759 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12761 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12763 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12764 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12766 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12768 * function.h (frame_offset_overflow): Declare.
12769 * function.c (frame_offset_overflow): New function.
12770 (assign_stack_local_1): Call it to detect that the offset overflows.
12771 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12773 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12775 * config/sh/sh.c: Include alloc-pool.h.
12776 (label_ref_list_pool): New alloc pool.
12777 (label_ref_list_t): New type for lists of labels.
12778 (struct pool_node): Make wend a label_ref_list_t.
12779 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12781 (dump_table): Likewise.
12782 (sh_reorg): Set up the alloc pool before using add_constant and
12783 dump_table, and destroy it when finishing.
12785 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12787 * config/mips/mips.c: Remove redundant comment.
12789 2006-03-10 Jason Merrill <jason@redhat.com>
12792 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12793 the target was declared 'register'.
12795 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12797 * genpreds.c (write_insn_constraint_len): Change definition of
12798 insn_constraint_len to return size_t to match the declaration.
12800 2006-03-10 DJ Delorie <dj@redhat.com>
12802 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12804 (m32c_expand_insv): Fix test for an AND mask.
12806 2006-03-10 Richard Guenther <rguenther@suse.de>
12808 PR middle-end/26565
12809 * builtins.c (get_pointer_alignment): Handle component
12810 references for field alignment.
12812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12814 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12815 when building with libgloss.
12816 (sh*elf): Implement --without-fp option.
12817 (sh64-superh-linux*): Don't multilib.
12819 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12821 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12823 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12825 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12826 Set it when one of the replacement functions returned true.
12827 Return TODO_cleanup_cfg if cfgchanged is true.
12828 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12830 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12832 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12833 instead of gen_lowpart.
12835 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12837 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12839 (mips_output_order_conditional_branch): Declare.
12840 * config/mips/mips.h (MIPS_BRANCH): New macro.
12841 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12842 for the comparison. Use gen_condjump.
12843 (mips_output_conditional_branch): Rework interface to take the
12844 asm templates for a direct branch and the inverse of a direct branch.
12845 (mips_output_order_conditional_branch): New function.
12846 (mips_builtin_branch_and_move): New function.
12847 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12848 branch condition. Use gen_single_cc as the condition for
12849 __builtin_mips_upper_* or __builtin_mips_lower_*.
12850 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12851 Use VOIDmode for the branch condition.
12852 * config/mips/predicates.md (order_operator): New predicate.
12853 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12854 (branch_fp): Rename to...
12855 (*branch_fp): ...this. Remove mode from comparison operator.
12856 Use new mips_output_conditional_branch interface.
12857 (branch_fp_inverted): Rename to...
12858 (*branch_fp_inverted): ...this and update as for *branch_fp.
12859 (*branch_zero<mode>): Rename to...
12860 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12861 Use mips_output_order_conditional_branch. Only accept ordered
12863 (*branch_zero<mode>_inverted): Rename to...
12864 (*branch_order<mode>_inverted): ...this and update as for
12865 *branch_order<mode>.
12866 (*branch_equality<mode>): Accept zero as the second operand to
12867 the equality operator. Use the new mips_output_conditional_branch
12869 (*branch_equality<mode>_inverted): Likewise.
12870 (condjump): New expander.
12871 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12873 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12874 (bc1any2t, bc1any2f): Likewise.
12875 (single_cc): New expander.
12876 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12878 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12880 * doc/md.texi: Update documentation of MIPS constraints.
12881 * config/mips/constraints.md: New file.
12882 * config/mips/mips.md: Include it.
12883 * config/mips/mips.c (mips_char_to_class): Delete.
12884 (override_options): Don't initialize mips_char_to_class.
12885 * config/mips/mips.h (mips_char_to_class): Delete.
12886 (REG_CLASS_FROM_LETTER): Delete.
12887 (CONST_OK_FOR_LETTER_P): Delete.
12888 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12889 (EXTRA_CONSTRAINT_Y): Delete.
12890 (EXTRA_CONSTRAINT_STR): Delete.
12891 (CONSTRAINT_LEN): Delete.
12892 (EXTRA_MEMORY_CONSTRAINT): Delete.
12894 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12896 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12897 original fn's eh regions.
12899 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12901 * fold-const.c (build_range_check): Make sure to use a valid type to
12902 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12905 (range_predecessor): New static function.
12906 (range_successor): Likewise.
12907 (merge_ranges): Use them to compute predecessors and successors of
12910 2006-03-09 Roger Sayle <roger@eyesopen.com>
12912 PR middle-end/26561
12913 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12914 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12916 2006-03-08 DJ Delorie <dj@redhat.com>
12918 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12919 (addpsi3): Expand to include memory operands. Remove
12920 reload-specific splits.
12921 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12922 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12923 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12924 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12925 (shift1_qi, shift1_hi, insv): New.
12926 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12927 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12928 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12930 * config/m32c/m32c-protos.h: Update as needed.
12931 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12932 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12933 Fail for unrecognized R* constraints.
12934 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12935 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12936 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12938 (m32c_init_libfuncs): New.
12939 (m32c_legitimate_address_p): Add debug wrapper.
12940 (m32c_rtx_costs): New.
12941 (m32c_address_cost): New.
12942 (conversions): Add 'B' prefix.
12943 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12944 operands, or word regnames for QI operands. 'B' prints bit
12946 (m32c_expand_setmemhi): New.
12947 (m32c_expand_movmemhi): New.
12948 (m32c_expand_movstr): New.
12949 (m32c_expand_cmpstr): New.
12950 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12951 (m32c_expand_neg_mulpsi3): Handle non-ints.
12952 (m32c_cmp_flg_0): New.
12953 (m32c_expand_movcc): New.
12954 (m32c_expand_insv): New.
12955 (m32c_scc_pattern): New.
12956 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12957 a0/a1 out of SIregs.
12958 (STORE_FLAG_VALUE): New.
12959 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12962 * config/m32c/mov.md: Make constraints more liberal.
12963 (zero_extendqihi2): Optimize r0/r1 case.
12964 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12965 * config/m32c/predicates.md (m32c_any_operand): New.
12966 (m32c_nonimmediate_operand): New.
12967 (m32c_hl_operand): New.
12968 (m32c_r3_operand): New.
12971 (memsym_operand): New.
12972 (memimmed_operand): New.
12973 (a_qi_operand): New.
12974 (m32c_eqne_operator): New.
12975 (m32c_1bit8_operand): New.
12976 (m32c_1bit16_operand): New.
12977 (m32c_1mask8_operand): New.
12978 (m32c_1mask16_operand): New.
12979 * config/m32c/blkmov.md: New file.
12980 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12982 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12984 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12985 unsigned to fix signed/unsigned comparison issue in
12986 DWARF2_FRAME_REG_OUT.
12987 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12988 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12990 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12991 of ptr into the ENABLE_CHECKING section.
12993 2006-03-08 Jeff Law <law@redhat.com>
12995 * tree-vrp.c (infer_value_range): Only count pointer uses
12996 and dereferences if -fdelete-null-pointer-checks is enabled.
12998 * tree-vrp.c (find_assert_locations): Infer value ranges for
12999 single use pointers, but do not create ASSERT_EXPRs for them.
13000 When a non-null range is inferred for a pointer, backwards
13001 propagate that range to other equivalent pointers through the
13004 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13007 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13008 language hook targets.
13009 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13010 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13011 if language hook targets were missing.
13013 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13015 * tree-ssa-opfinalize.h: Removed.
13016 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13018 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13019 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13020 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13021 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13022 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13023 finalize_ssa_v_must_def_ops): New.
13025 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13027 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13028 block as parameter.
13030 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13032 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13034 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13035 addresses with offsets; reorganize.
13037 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13038 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13039 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13041 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13044 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13046 2006-03-08 Ben Elliston <bje@au.ibm.com>
13048 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13050 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13053 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13056 2006-03-07 Richard Guenther <rguenther@suse.de>
13058 PR tree-optimization/26587
13059 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13061 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13063 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13065 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13067 * hooks.c (hook_bool_mode_rtx_true): New function.
13068 * hooks.h (hook_bool_mode_rtx_true): Declare.
13069 * toplev.c (compile_file): Call output_shared_constant_pool.
13070 * varasm.c (shared_constant_pool): New variable.
13071 (assemble_start_function, assemble_end_function): Remove arguments
13072 from call to output_constant_pool.
13073 (create_constant_pool): New function, split out from...
13074 (init_varasm_status): ...here.
13075 (force_const_mem): Choose between the shared and per-function constant
13076 pools. Set current_function_uses_const_pool when reusing old entries
13077 as well as when creating new ones.
13078 (mark_constant): Ignore data argument.
13079 (mark_constants): Remove pool argument.
13080 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13081 to decide whether the function uses a constant pool.
13082 (output_constant_pool_contents): New function, split out from...
13083 (output_constant_pool): ...here.
13084 (output_shared_constant_pool): New function.
13085 (init_varasm_once): Initialize shared_constant_pool.
13086 * output.h (output_constant_pool): Delete.
13087 (output_shared_constant_pool): Declare.
13088 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13089 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13091 2006-03-06 Nick Clifton <nickc@redhat.com>
13093 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13094 flag_strength_reduce.
13096 2006-03-06 Ben Elliston <bje@au.ibm.com>
13098 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13099 x86_64-*-linux* configurations.
13101 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13102 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13104 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13106 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13108 * basic-block.h: Remove the extern for
13109 rediscover_loops_after_threading.
13111 * cfgloop.c (cancel_loop): Make it static.
13112 * cfgloop.h: Remove the prototype for cancel_loop.
13114 * flow.c (recompute_reg_usage): Make it static.
13115 * rtl.h: Remove the prototype for recompute_reg_usage.
13117 * function.c (use_return_register): Make it static.
13118 * function.h: Remove the prototype.
13120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13122 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13124 * recog.h: Remove the prototype for
13125 validate_change_maybe_volatile.
13127 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13129 * rtlanal.c (replace_reg): Remove.
13130 * rtl.h: Remove the prototype for replace_reg.
13132 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13134 * regclass.c (reg_scan_update): Remove.
13135 (reg_scan_mark_refs): Remove the last argument.
13136 * rtl.h: Remove the prototype for reg_scan_update.
13138 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13140 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13141 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13142 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13143 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13144 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13145 loop-invariant.c, omp-low.c, opts.c, passes.c,
13146 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13147 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13148 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13149 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13150 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13151 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13153 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13155 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13156 * dwarf2out.h: Remove the prototype for
13157 dwarf2out_add_library_unit_info.
13159 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13161 * tree.c (add_var_to_bind_expr): Remove.
13162 * tree.h: Remove the prototype for add_var_to_bind_expr.
13164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13166 * regclass.c (n_non_fixed_regs): Remove.
13167 (init_reg_sets_1, globalize_reg): Remove all uses of
13169 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13171 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13173 * rtlanal.c (insns_safe_to_move_p): Remove.
13174 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13176 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13178 * expmed.c (expand_mult_add): Remove.
13179 * expr.h: Remove the prototype for expand_mult_add.
13181 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13183 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13184 and REG_SAVED_VAL_EXP constants.
13185 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13186 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13187 Handle regs stored by value.
13188 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13189 (execute_cfa_program): Handle DW_CFA_val_offset,
13190 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13191 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13192 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13193 (uw_install_context_1): Handle target regs stored by value.
13195 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13197 * tree-sra.c (tree_sra): Return todoflags;
13198 (generate_one_element): Set TODO_update_smt_usage if needed.
13199 (pass_sra): Remove TODO_update_smt_usage.
13200 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13202 (tree_ssa_forward_propagate_single_use_vars): Return
13203 TODO_update_smt_usage if we need to update SMT usage.
13204 (pass_forwprop): Remove TODO_update_smt_usage.
13206 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13208 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13209 (correct_use_link): Remove reference to get_stmt_operands.
13210 (update_stmt_operands): Likewise.
13211 (get_modify_expr_operands): New function factored out of
13212 parse_ssa_operands and get_expr_operands.
13213 Try to create V_MUST_DEFs for LHS by default.
13214 (get_expr_operands) <case MODIFY_EXPR>: Call
13215 get_modify_expr_operands.
13216 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13217 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13218 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13219 get_modify_expr_operands.
13221 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13223 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13224 * tree-flow.h: Remove the prototype for
13225 referenced_var_lookup_if_exists.
13227 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13229 PR rtl-optimization/26345
13231 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13233 2006-03-03 Roger Sayle <roger@eyesopen.com>
13235 PR tree-optimization/26524
13236 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13237 fold_convert to create a constant of the appropriate type.
13239 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13241 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13242 SYMBOL_REF_IN_BLOCK_P.
13243 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13244 of SYMBOL_FLAG_IN_BLOCK.
13245 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13246 instead of SYMBOL_REF_IN_BLOCK_P.
13247 * explow.c (use_anchored_address): Likewise.
13248 * rtl.c (rtx_size): Likewise.
13249 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13250 instead of SYMBOL_FLAG_IN_BLOCK.
13251 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13252 SYMBOL_REF_IN_BLOCK_P.
13253 (assemble_variable): Likewise.
13254 (output_constant_def_contents): Likewise.
13255 (output_constant_pool): Likewise.
13256 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13257 instead of SYMBOL_FLAG_IN_BLOCK.
13258 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13259 SYMBOL_REF_IN_BLOCK_P.
13260 (SYMBOL_REF_BLOCK): Likewise.
13261 (SYMBOL_REF_OFFSET): Likewise.
13262 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13263 SYMBOL_REF_IN_BLOCK_P.
13264 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13265 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13266 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13267 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13269 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13271 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13273 2006-03-02 Roger Sayle <roger@eyesopen.com>
13275 * simplify-rtx.c (simplify_unary_operation): When simplifying
13276 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13277 that we perform the right shift in the appropriate mode, and
13278 then extend or truncate the result to requested mode.
13280 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13282 * gengtype.c (main): Handle double_int type.
13283 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13284 * double-int.c: New file.
13285 * double-int.h: New file.
13286 * system.h: Include doubleint.h.
13287 * Makefile.in (SYSTEM_H): Include double-int.h.
13288 (double-int.o): Add.
13290 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13293 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13296 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13298 * tree-vrp.c (remove_range_assertions): Do not update statements
13301 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13303 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13305 * gcse.c (rest_of_handle_gcse): Ditto.
13306 * except.c (gate_handle_eh): Ditto.
13307 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13308 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13310 2006-03-02 Eric Christopher <echristo@apple.com>
13312 * config/i386/i386.c (machopic_output_stub): Add indirection to
13315 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13319 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13321 Sun Niagara specific optimizations.
13322 * config.gcc: Recognize niagara as target.
13323 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13324 (TARGET_CPU_niagara): Define.
13325 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13326 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13327 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13328 (ASM_CPU_SPEC): Likewise.
13329 (PROCESSOR_NIAGARA): New enum entry.
13330 (REGISTER_MOVE_COST): Handle Niagara.
13331 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13332 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13333 (sparc_override_options): Recognize "niagara", set appropriate
13334 default MASK_* values for it, and align functions to 32-bytes
13335 by default just like ULTRASPARC/ULTRASPARC3.
13336 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13337 (sparc64_initialize_trampoline): Likewise.
13338 (sparc_use_sched_lookahead): Use zero for niagara.
13339 (sparc_issue_rate): Use one for niagara.
13340 * config/sparc/niagara.md: New file.
13341 * config/sparc/sparc.md: Include it.
13342 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13343 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13344 when default cpu is niagara.
13345 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13346 (ASM_CPU_SPEC): Likewise.
13347 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13348 when default cpu is niagara.
13349 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13350 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13351 just like v9/ultrasparc/ultrasparc3.
13352 * doc/invoke.texi: Add documentation for "niagara" and improve
13353 existing documentation for ultrasparc variants.
13355 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13357 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13359 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13361 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13362 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13363 and say that only one is needed.
13364 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13365 * target.h (have_switchable_bss_sections): New hook.
13366 * explow.c (use_anchored_address): Check that the symbol is in a block.
13367 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13368 (bss_noswitch_section): New variables.
13369 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13370 (get_noswitch_section): New function.
13371 (get_block_for_section): Allow SECT to be null.
13372 (unlikely_text_section_p): Use SECTION_STYLE.
13373 (bss_initializer_p): New function.
13374 (get_variable_section): Move earlier in file. Take a new argument,
13375 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13376 Return one of the new *_sections in such cases.
13377 (get_block_for_decl): New function, extracting some logic from
13378 use_blocks_for_decl_p.
13379 (change_symbol_section): Remove in favor of...
13380 (change_symbol_block): ...this new function.
13381 (use_blocks_for_decl_p): Remove checks now performed by
13382 get_block_for_decl.
13383 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13384 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13385 (emit_local, emit_bss, emit_common): ...these new functions.
13386 Return true if the alignment was honored.
13387 (emit_tls_common): New function.
13388 (asm_emit_uninitialised): Delete.
13389 (assemble_variable_noswitch): New function, split out from...
13390 (assemble_variable): ...here. Don't make decisions about common
13391 variables here. Globalize all public decls that go into non-common
13392 sections. Check whether SYMBOL_REF_BLOCK is null.
13393 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13394 (output_constant_pool): Likewise.
13395 (init_varasm_once): Initialize the new section variables.
13396 (have_global_bss_p): New function.
13397 (categorize_decl_for_section): Use bss_initializer_p.
13398 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13399 (place_block_symbol): Assert that the symbol must be in a block.
13400 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13401 (TARGET_INITIALIZER): Include it.
13402 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13403 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13404 (SECTION_MACH_DEP): Bump by two.
13405 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13406 (unnamed_section): Mention SECTION_UNNAMED in comment.
13407 (named_section): Likewise SECTION_NAMED.
13408 (noswitch_section_callback): New type.
13409 (noswitch_section): New structure.
13410 (section): Add a noswitch_section alternative.
13411 (SECTION_STYLE): New macro.
13412 (tls_comm_section, comm_section, lcomm_section): Declare.
13413 (bss_noswitch_section, have_global_bss_p): Declare.
13414 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13415 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13417 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13418 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13421 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13423 * tree-vrp.c (execute_vrp): Return value.
13424 * regrename.c (rest_of_handle_regrename): Ditto.
13425 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13426 * tree-complex.c (tree_lower_complex): Ditto.
13427 (tree_lower_complex_O0): Ditto.
13428 * tracer.c (rest_of_handle_tracer): Ditto.
13429 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13430 * postreload.c (rest_of_handle_postreload): Ditto.
13431 * tree-tailcall.c (execute_tail_recursion): Ditto.
13432 (execute_tail_calls): Ditto.
13433 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13434 * tree.h (init_function_for_compilation): Ditto.
13435 * ipa-cp.c (ipcp_driver): Ditto.
13436 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13437 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13438 * final.c (compute_alignments): Ditto.
13439 (rest_of_handle_final): Ditto.
13440 (rest_of_handle_shorten_branches): Ditto.
13441 (rest_of_clean_state): Ditto.
13442 * omp-low.c (execute_expand_omp): Ditto.
13443 (execute_lower_omp): Ditto.
13444 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13445 * ipa-reference.c (static_execute): Ditto.
13446 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13447 * reorg.c (rest_of_handle_delay_slots): Ditto.
13448 (rest_of_handle_machine_reorg): Ditto.
13449 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13450 * flow.c (recompute_reg_usage): Ditto.
13451 (rest_of_handle_remove_death_notes): Ditto.
13452 (rest_of_handle_life): Ditto.
13453 (rest_of_handle_flow2): Ditto.
13454 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13455 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13456 (do_ssa_store_ccp): Ditto.
13457 (execute_fold_all_builtins): Ditto.
13458 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13459 * modulo-sched.c (rest_of_handle_sms): Ditto.
13460 * ipa-pure-const.c (static_execute): Ditto.
13461 * cse.c (rest_of_handle_cse): Ditto.
13462 (rest_of_handle_cse2): Ditto.
13463 * web.c (rest_of_handle_web): Ditto.
13464 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13465 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13466 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13467 * tree-nrv.c (tree_nrv): Ditto.
13468 (execute_return_slot_opt): Ditto.
13469 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13470 (create_structure_vars): Ditto.
13471 * loop-init.c (rtl_loop_init): Ditto.
13472 (rtl_loop_done): Ditto.
13473 (rtl_move_loop_invariants): Ditto.
13474 (rtl_unswitch): Ditto.
13475 (rtl_unroll_and_peel_loops): Ditto.
13476 (rtl_doloop): Ditto.
13477 * gimple-low.c (lower_function_body): Ditto.
13478 (mark_used_blocks): Ditto.
13479 * tree-ssa-sink.c (execute_sink_code): Ditto.
13480 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13481 (cgraph_early_inlining): Ditto.
13482 * global.c (rest_of_handle_global_alloc): Ditto.
13483 * jump.c (cleanup_barriers): Ditto.
13484 (purge_line_number_notes): Ditto.
13485 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13486 (rest_of_handle_if_after_reload): Ditto.
13487 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13488 (tree_ssa_loop_im): Ditto.
13489 (tree_ssa_loop_unswitch): Ditto.
13490 (tree_vectorize): Ditto.
13491 (tree_linear_transform): Ditto.
13492 (tree_ssa_loop_ivcanon): Ditto.
13493 (tree_ssa_empty_loop): Ditto.
13494 (tree_ssa_loop_bounds): Ditto.
13495 (tree_complete_unroll): Ditto.
13496 (tree_ssa_loop_prefetch): Ditto.
13497 (tree_ssa_loop_ivopts): Ditto.
13498 (tree_ssa_loop_done): Ditto.
13499 * predict.c (tree_estimate_probability): Ditto.
13500 * recog.c (split_all_insns_noflow): Ditto.
13501 (rest_of_handle_peephole2): Ditto.
13502 (rest_of_handle_split_all_insns): Ditto.
13503 * tree-eh.c (lower_eh_constructs): Ditto.
13504 * regmove.c (rest_of_handle_regmove): Ditto.
13505 (rest_of_handle_stack_adjustments): Ditto.
13506 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13507 * function.c (instantiate_virtual_regs): Ditto.
13508 (init_function_for_compilation): Ditto.
13509 (rest_of_handle_check_leaf_regs): Ditto.
13510 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13511 (rest_of_handle_gcse): Ditto.
13512 * ipa-type-escape.c (type_escape_execute): Ditto.
13513 * alias.c (rest_of_handle_cfg): Ditto.
13514 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13515 * profile.c (rest_of_handle_branch_prob): Ditto.
13516 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13517 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13518 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13519 * tree-dfa.c (find_referenced_vars): Ditto.
13520 * except.c (set_nothrow_function_flags): Ditto.
13521 (convert_to_eh_region_ranges): Ditto.
13522 (rest_of_handle_eh): Ditto.
13523 * emit-rtl.c (unshare_all_rtl): Ditto.
13524 (remove_unnecessary_notes): Ditto.
13525 * except.h (set_nothrow_function_flags): Ditto.
13526 (convert_to_eh_region_ranges): Ditto.
13527 * cfgexpand.c (tree_expand_cfg): Ditto.
13528 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13529 * tree-ssa-pre.c (do_pre): Ditto.
13530 (execute_fre): Ditto.
13531 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13532 (rest_of_handle_jump2): Ditto.
13533 * tree-sra.c (tree_sra): Ditto.
13534 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13535 (execute_mudflap_function_decls): Ditto.
13536 * tree-ssa-copy.c (do_copy_prop): Ditto.
13537 (do_store_copy_prop): Ditto.
13538 * ipa-prop.h (ipcp_driver): Ditto.
13539 * cfglayout.c (insn_locators_initialize): Ditto.
13540 * tree-ssa-forwprop.c
13541 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13542 * cfglayout.h (insn_locators_initialize): Ditto.
13543 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13544 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13545 (execute_late_warn_uninitialized): Ditto.
13546 * rtl.h (cleanup_barriers): Ditto.
13547 (split_all_insns_noflow): Ditto.
13548 (purge_line_number_notes): Ditto.
13549 (unshare_all_rtl): Ditto.
13550 (remove_unnecessary_notes): Ditto.
13551 (recompute_reg_usage): Ditto.
13552 (variable_tracking_main): Ditto.
13553 * integrate.c (emit_initial_value_sets): Ditto.
13554 * integrate.h (emit_initial_value_sets): Ditto.
13555 * tree-optimize.c (execute_free_datastructures): Ditto
13556 (execute_free_cfg_annotations): Ditto.
13557 (execute_fixup_cfg): Ditto.
13558 (execute_cleanup_cfg_pre_ipa): Ditto.
13559 (execute_cleanup_cfg_post_optimizing): Ditto.
13560 (execute_init_datastructures): Ditto.
13561 * tree-object-size.c (compute_object_sizes): Ditto.
13562 * combine.c (rest_of_handle_combine): Ditto.
13563 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13564 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13565 (rest_of_handle_reorder_blocks): Ditto.
13566 (rest_of_handle_partition_blocks): Ditto.
13567 * var-tracking.c (variable_tracking_main): Ditto.
13568 * tree-profile.c (tree_profiling): Ditto.
13569 * tree-vect-generic.c (expand_vector_operations): Ditto.
13570 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13571 * sched-rgn.c (rest_of_handle_sched): Ditto.
13572 (rest_of_handle_sched2): Ditto.
13573 * basic-block.h (free_bb_insn): Ditto.
13574 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13575 * tree-cfg.c (execute_build_cfg): Ditto.
13576 (remove_useless_stmts): Ditto.
13577 (split_critical_edges): Ditto.
13578 (execute_warn_function_return): Ditto.
13579 (execute_warn_function_noreturn): Ditto.
13580 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13581 * cfgrtl.c (free_bb_for_insn): Ditto.
13582 * passes.c (execute_one_pass): Run additional
13583 todos returned by execute function.
13584 * tree-pass.h (struct tree_opt_pass): Make execute
13587 2006-03-02 Richard Guenther <rguenther@suse.de>
13589 * tree-ssa-alias.c (find_used_portions): Consider taking
13590 the address as making the variable not write-only.
13592 2006-03-02 Nick Clifton <nickc@redhat.com>
13594 * config.gcc (default_use_cxa_atexit): Extend the description of
13595 this configure variable. Set its default value to "yes" for
13596 Linux, NetBSD and ELF targets on the assumption that they will
13597 use C libraries with the __cxa_atexit function.
13599 2006-03-02 Ben Elliston <bje@au.ibm.com>
13601 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13602 parameter as unused to suppress a build warning.
13604 2006-03-02 Ben Elliston <bje@au.ibm.com>
13606 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13609 2006-03-01 Roger Sayle <roger@eyesopen.com>
13612 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13613 declared name, the weak reference name, and the typeof name.
13614 (__gthrw): Avoid expanding the declared name suffix.
13615 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13617 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13619 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13621 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13622 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13623 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13624 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13625 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13626 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13627 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13628 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13629 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13630 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13631 (DW_END_default, DW_END_big, DW_END_little): New.
13632 (DW_END_lo_user, DW_END_hi_user): Define.
13633 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13634 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13635 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13638 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13640 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13642 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13644 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13646 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13648 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13649 to 'symbol_mem_tag'.
13651 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13654 2006-03-01 Roger Sayle <roger@eyesopen.com>
13656 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13661 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13662 MACHO_DYNAMIC_NO_PIC_P.
13663 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13665 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13668 * config/darwin-protos.h (darwin_asm_output_anchor):
13670 * config/darwin-sections.def (cstring_section):
13671 Add SECTION_MERGE to the flags.
13672 (literal4_section): Likewise.
13673 (literal8_section): Likewise.
13674 (objc_selector_refs_section): Likewise.
13675 (objc_cls_refs_section): Likewise.
13676 * config/darwin.c (darwin_asm_output_anchor): New
13678 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13680 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13682 Fix PR tree-optimization/26443
13683 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13684 to todo and PROP_tmt_usage to properties_destroyed.
13685 * tree-ssa-ccp.c (pass_ccp): Ditto.
13686 (pass_store_ccp): Ditto.
13687 * tree-ssa-dom.c (pass_dominator): Ditto.
13689 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13691 * tree-ssa-operands.c: Cleanup whitespace.
13692 (get_asm_expr_operands): Move before first invocation.
13693 (get_indirect_ref_operands): Likewise.
13694 (get_tmr_operands): Likewise.
13695 (get_call_expr_operands): Likewise.
13696 (append_def): Likewise.
13697 (append_use): Likewise.
13698 (append_v_may_def): Likewise.
13699 (append_v_must_def): Likewise.
13700 (add_call_clobber_ops): Likewise.
13701 (add_call_read_ops): Likewise.
13702 (add_stmt_operand): Likewise.
13703 (add_virtual_operand): Likewise.
13704 (build_ssa_operands): Likewise.
13706 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13708 PR middle-end/26022
13710 PR middle-end/24437
13711 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13712 with a call expr to ...
13713 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13715 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13717 * tree-vrp.c (extract_range_from_assert): Remove special
13718 handling for types with super-types.
13720 2006-03-01 Ben Elliston <bje@au.ibm.com>
13722 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13723 and powerpc64-*-linux* configurations.
13724 * config/t-dfprules: New file.
13726 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13727 Compile dfp-bit.c from the source directory using -DWIDTH and
13728 $DFP_CFLAGS to control the compilation of that file, rather than
13729 generating width-specific versions in the build directory.
13730 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13731 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13733 2006-02-28 Zack Weinberg <zackw@panix.com>
13735 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13738 2006-02-28 Eric Christopher <echristo@apple.com>
13740 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13741 Set up IN_LIBGCC definition of TARGET_64BIT.
13742 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13744 2006-02-28 Roger Sayle <roger@eyesopen.com>
13746 PR middle-end/14752
13747 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13748 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13749 cases via the construction of "expr != 0".
13751 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13753 * alias.c (alias_invariant, alias_invariant_size): Remove.
13754 (record_base_value): Remove.
13755 (memrefs_conflict_p): Don't look at alias_invariant.
13756 (end_alias_analysis): Don't free it.
13757 * alias.h (record_base_value): Remove prototype.
13759 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13760 Adam Nemet <anemet@caviumnetworks.com>
13762 * rtl.h (truncated_to_mode): Declare it.
13763 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13764 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13765 (RTL_HOOKS_INITIALIZER): Include it.
13766 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13767 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13768 reg_truncated_to_mode.
13769 * rtlanal.c (truncated_to_mode): Define it.
13770 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13772 2006-02-28 Jeff Law <law@redhat.com>
13774 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13775 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13776 the range allowed by TYPE_PRECISION.
13778 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13780 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13782 PR tree-optimization/26419
13783 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13786 2006-02-27 Zack Weinberg <zackw@panix.com>
13788 * doc/md.texi: Fix typo in previous change.
13790 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13794 2006-02-27 Zack Weinberg <zackw@panix.com>
13796 * rtl.def (define_constraint, define_register_constraint)
13797 (define_memory_constraint, define_address_constraint): New MD forms.
13798 * gensupport.c (process_rtx): Put define_constraint etc on the
13800 * genpreds.c (process_define_predicate): Adjust comment. Validate
13801 the name, and call validate_exp to validate the expression.
13802 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13803 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13804 all callers changed.
13805 (validate_exp, needs_variable, struct constraint_data)
13806 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13807 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13808 (const_dbl_constraints, constraint_max_namelen)
13809 (have_register_constraints, have_memory_constraints)
13810 (have_address_constraints, have_address_constraints)
13811 (have_extra_constraints, have_const_int_constraints)
13812 (have_const_dbl_constraints, mangle, add_constraint)
13813 (process_define_constraint, process_define_register_constraint)
13814 (write_enum_constraint_num, write_lookup_constraint)
13815 (write_insn_constraint_len, write_regclass_for_constraint)
13816 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13817 (write_insn_extra_memory_constraint)
13818 (write_insn_extra_address_constraint)
13819 (write_satisfies_constraint_fns): New.
13820 (write_tm_preds_h): If we have new-style constraint definitions,
13821 prototype the functions generated from them, and define the
13822 old constraint interface (still used by generic code) in terms of
13824 (write_insn_preds_c): If we have new-style constraint definitions,
13825 generate all relevant functions from those definitions.
13826 (main): Handle define_constraint etc.
13827 * genoutput.c (struct constraint_data, indep_constraints)
13828 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13829 (mdep_constraint_len): New data structures and functions, defined
13830 #ifdef USE_MD_CONSTRAINTS.
13831 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13832 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13833 use new logic to validate operand constraints against constraint
13835 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13837 * defaults.h: If none of the old-style constraint macros are
13838 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13839 old-style macros; and poison REG_CLASS_FROM_LETTER,
13840 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13842 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13843 * doc/md.texi: Document new constraint-definition mechanism and the
13844 C interface it provides. Remove references to old mechanism
13845 elsewhere in the document.
13846 (Machine Constraints): Use pathnames relative to gcc directory,
13847 i.e. config/ARCH/FILE. Change i386 section to refer to
13848 config/i386/predicates.md; update that section to match docstrings.
13849 * doc/tm.texi: Move all documentation of the old constraint-
13850 definition macros to their own section, clearly mark as obsolete.
13852 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13853 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13855 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13856 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13857 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13858 constraint strings.
13859 (splits and peepholes): Use satisfies_constraint_*.
13860 * config/i386/i386.c (memory_address_length)
13861 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13863 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13865 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13866 scalar operation to be put back into the loop.
13868 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13871 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13872 (extract_cie_info): Handle S flag in augmentation string.
13873 (execute_cfa_program): If context->signal_frame, execute also
13874 fs->pc == context->ra instructions.
13875 (uw_frame_state_for): If context->signal_frame, don't subtract one
13876 from context->ra to find FDE.
13877 (uw_update_context_1): Set context->signal_frame to
13879 (_Unwind_GetIPInfo): New function.
13880 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13881 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13883 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13884 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13885 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13886 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13887 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13888 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13889 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13890 x86_64_fallback_frame_state): Set fs->signal_frame.
13891 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13892 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13893 (frob_update_context): Likewise. Workaround missing S flag in
13894 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13895 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13896 Remove the psw_addr + 1 hack.
13898 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13900 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13901 with aggregates here.
13902 (find_func_aliases): Remove code for &<aggregate> from here.
13904 2006-02-26 Roger Sayle <roger@eyesopen.com>
13906 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13907 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13908 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13909 as (X & C) ne/eq 0.
13911 2006-02-26 Roger Sayle <roger@eyesopen.com>
13913 PR middle-end/19983
13914 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13916 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13918 * opts.c (decode_options): Do not handle flag_strength_reduce.
13919 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13920 and OPT_fstrength_reduce.
13921 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13922 flag_prefetch_loop_arrays for being nonzero.
13923 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13925 (fprefetch-loop-arrays-rtl): Removed.
13926 (flag_prefetch_loop_arrays): Do not specify the value.
13928 * doc/passes.texi: Update documentation of loop optimizer
13930 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13931 -frerun-loop-opt): Remove.
13933 2006-02-26 Richard Guenther <rguenther@suse.de>
13935 PR tree-optimization/26421
13936 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13937 in function calls that are ADDR_EXPRs as using the whole structure.
13939 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13941 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13942 * tree-pass.h (pass_loop_optimize): Remove.
13943 * passes.c (pass_loop_optimize): Never run it.
13944 * toplev.c (backend_init): Don't call init_loop.
13945 * opts.c (flag_loop_optimize_set): Remove.
13946 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13947 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13948 the old RTL loop optimizer when profiling enabled.
13949 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13950 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13951 pre-headers for the sake of the old RTL loop optimizer.
13952 * Makefile.in: Remove all references to loop.o.
13954 * doc/invoke.texi: Remove all references to -floop-optimize
13955 and -frerun-loop-opt.
13957 2006-02-26 Zack Weinberg <zackw@panix.com>
13959 * doc/md.texi (Machine Constraints): Refer to all files with paths
13960 relative to gcc directory (i.e. config/CPU/file). Add missing
13961 @table @code ... @end table to M32C subsection.
13963 2006-02-26 Roger Sayle <roger@eyesopen.com>
13965 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13967 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13969 2006-02-26 Roger Sayle <roger@eyesopen.com>
13970 James A. Morrison <phython@gcc.gnu.org>
13972 PR middle-end/21137
13973 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13974 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13975 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13976 signedness of the shift operation.
13978 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13980 PR tree-optimization/26359
13981 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13983 2006-02-25 Roger Sayle <roger@eyesopen.com>
13985 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13986 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13987 as X == 0, and some symmetry related transformations.
13988 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13990 2006-02-25 Roger Sayle <roger@eyesopen.com>
13992 PR middle-end/23673
13993 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13994 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13995 symmetry related transformations. Fold (X^C1) == C2 as
13998 2006-02-25 Juergen Weigert <jw@suse.de>
13999 Richard Guenther <rguenther@suse.de>
14001 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14003 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14005 * combine.c (gen_lowpart_or_truncate): Call
14006 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14008 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14010 * doc/invoke.texi: Move -fopenmp description to "Options for
14012 Remove reference to -lgomp.
14014 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14016 * doc/install.texi: Require GNU tar version 1.14.
14018 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14020 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14021 * doc/invoke.texi (C++ Dialect Options): Document
14022 -fno-use-cxa-get-exception-ptr.
14023 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14024 * configure: Regenerate.
14025 * c.opt (fuse-cxa-get-exception-ptr): New.
14026 * c-opts.c (c_common_handle_option): Handle
14027 OPT_fuse_cxa_get_exception_ptr.
14028 * c-common.c (flag_use_cxa_atexit): Update documentation.
14029 (flag_use_cxa_get_exception_ptr): New.
14030 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14031 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14033 (C_COMMON_OVERRIDE_OPTIONS): New.
14035 2006-02-24 Roger Sayle <roger@eyesopen.com>
14037 PR middle-end/24952
14038 * combine.c (try_combine): Explicitly check whether GET_CODE is
14039 a SET or a CLOBBER, instead on checking that it isn't a USE.
14041 2006-02-24 Roger Sayle <roger@eyesopen.com>
14043 * fold-const.c (fold_comparison): New subroutine of fold_binary
14044 containing transformations common to both the equality and
14045 ordering relational operators, factored out of fold_binary.
14046 (fold_binary): Separate out the equality operators (EQ_EXPR
14047 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14048 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14049 transformations common to both.
14050 (fold_div_compare): Fix latent bugs in the previously unreachable
14051 LT_EXPR and GE_EXPR cases.
14053 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14055 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14056 decl libname for clog to __clog on AIX.
14058 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14060 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14063 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14064 output traceback table for thunks. Localise rs6000_stack_info call.
14066 2006-02-23 Roger Sayle <roger@eyesopen.com>
14067 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14069 * gthr-posix.h (__gthrw): Fix typo in comment.
14071 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14073 * doc/cpp.texi (Character sets): Document that we do support
14074 input files to be in any character set.
14076 2006-02-23 Jeff Law <law@redhat.com>
14078 * tree.h (PHI_ARG_NONZERO): Remove.
14079 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14080 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14081 node to the new node.
14083 PR tree-optimization/26425
14084 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14085 min/max, then assume its varying.
14087 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14089 PR rtl-optimization/26316
14090 * rtlanal.c (enum may_trap_p_flags): New.
14091 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14092 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14093 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14094 (may_trap_after_code_motion_p): New function.
14095 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14096 (find_invariant_insn): Use may_trap_after_code_motion_p.
14097 * rtl.h (may_trap_after_code_motion_p): Declare.
14099 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14101 * emit-rtl.c (immed_double_const): Cleanup.
14103 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14105 Fix PR tree-optimization/26376
14106 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14109 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14111 PR middle-end/26412
14112 * gimplify.c (omp_add_variable): Guard variable size decl test with
14113 DECL_SIZE (decl) check.
14115 2006-02-23 Richard Guenther <rguenther@suse.de>
14117 PR middle-end/26439
14118 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14119 like aggregate types.
14121 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14123 * configure.ac: Add --with{,out}-long-double-128 configure option.
14124 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14125 * configure: Rebuilt.
14126 * config.in: Rebuilt.
14127 * doc/install.texi (Options specification): Document
14128 --with-long-double-128.
14130 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14131 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14132 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14133 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14135 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14137 * config/s390/s390.c (override_options): Handle
14138 TARGET_DEFAULT_LONG_DOUBLE_128.
14140 * config/alpha/alpha.c (override_options): Handle
14141 TARGET_DEFAULT_LONG_DOUBLE_128.
14143 * config/sparc/sparc.c (sparc_override_options): Handle
14144 TARGET_DEFAULT_LONG_DOUBLE_128.
14146 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14148 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14149 (real-install-headers-tar, real-install-headers-cpio)
14150 (real-install-headers-cp): New targets.
14152 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14154 * tree.h (variable_section): Delete.
14155 * varasm.c (variable_section): Delete.
14157 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14159 * install.texi: Add notes on install.texi2html.
14160 (Building in parallel): Do not use footnotes.
14162 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14165 * doc/install.texi (Configuration): Document --disable-libgomp.
14167 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14169 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14171 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14173 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14174 (vec_extractv2df_0_sse): New.
14176 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14178 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14179 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14180 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14181 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14182 to the result of the expression.
14183 (def_cfa_1): Adjust.
14184 (frame_pointer_cfa_offset): Rename to...
14185 (frame_pointer_fb_offset): ... this. Adjust all uses.
14186 (convert_cfa_to_loc_list): Rename to...
14187 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14188 Pass it on to build_cfa_loc.
14189 (compute_frame_pointer_to_cfa_displacement): Rename to...
14190 (compute_frame_pointer_to_fb_displacement): ... this. New
14191 offset parameter. Use it in computation.
14192 (gen_subprogram_die): Compute cfa_fb_offset with the new
14193 macro, and use it to compute the fb loc list and the
14196 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14198 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14199 replaced with register_operand.
14200 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14201 non-DREG is expensive.
14202 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14203 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14206 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14208 * doc/install.texi2html: Use set -e.
14210 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14212 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14213 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14214 * doc/invoke.texi (-fshared-data): Delete.
14215 * common.opt (fshared-data): Delete.
14216 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14217 (assemble_static_space): Remove #if 0 code.
14218 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14219 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14220 * config/cris/cris.h: Remove FIXME.
14222 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14224 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14227 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14229 PR middle-end/26379
14230 * combine.c (simplify_shift_const_1): Disable nested shifts
14231 optimization for vector shifts.
14233 2006-02-20 Roger Sayle <roger@eyesopen.com>
14235 PR tree-optimization/26361
14236 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14237 of unsigned integer types.
14239 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14241 * tree-chrec.c (eq_evolutions_p): New.
14242 * tree-chrec.h (eq_evolutions_p): Declared.
14243 * tree-data-ref.c: Fix formatting.
14244 (datadep_stats, dependence_stats): New.
14246 (print_direction_vector): New.
14247 (dump_data_dependence_relation): Use print_direction_vector.
14248 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14249 (compute_subscript_distance): Static.
14250 (initialize_data_dependence_relation): Static. Get the number
14251 of loops surrounding the references from the callers, and initialize
14252 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14253 base_object_differ_p analyzers.
14254 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14255 compute_overlap_steps_for_affine_1_2,
14256 analyze_subscript_affine_affine): Count the classified dependences.
14257 Print a message when a test failed.
14258 (can_use_analyze_subscript_affine_affine): New.
14259 (analyze_siv_subscript): Compute the data dependences on symbolic
14260 scevs that verify can_use_analyze_subscript_affine_affine.
14261 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14262 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14263 Handle symbolic scevs.
14264 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14266 (subscript_dependence_tester): Moved...
14267 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14268 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14269 DDR_SIZE_VECT instead of getting it in parameter.
14270 (subscript_dependence_tester): ... here. Take as a parameter
14271 loop_nest_depth. Call build_classic_dist_vector and
14272 build_classic_dir_vector.
14273 (compute_affine_dependence): Update subscript_dependence_tester
14274 parameters. Update datadep_stats counters. Call
14275 compute_subscript_distance.
14276 (compute_self_dependence): Save the dist and dir vectors. Call
14277 compute_subscript_distance.
14278 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14279 (compute_all_dependences): Reorder parameters as they were before
14280 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14281 compute_subscript_distance. Update the use of
14282 compute_affine_dependence and initialize_data_dependence_relation.
14283 (find_data_references_in_loop): Handle COMPONENT_REF.
14284 (compute_data_dependences_for_loop): Initialize dependence_stats.
14285 Don't call build_classic_dist_vector and build_classic_dir_vector.
14286 Update the parameters of initialize_data_dependence_relation and
14287 compute_all_dependences. Print the statistics from datadep_stats.
14288 (analyze_all_data_dependences): Static. Not used until the pass for
14289 checking the data dependences is contributed.
14290 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14291 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14292 (initialize_data_dependence_relation, compute_affine_dependence,
14293 analyze_all_data_dependences, compute_subscript_distance): Removed.
14294 (print_direction_vector): New.
14295 * lambda.h (gcd): ... here.
14296 (lambda_vector_gcd): Moved here from gcd_vector.
14297 * lambda-code.c (gcd, gcd_vector): Removed.
14298 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14299 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14301 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14303 * ipa-type-escape.c: Tidy some comments and white space.
14304 * tree-ssa-operands.c: Likewise.
14306 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14309 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14310 (dump_decl_name): Do not walk the decl tree chains.
14311 * tree-pass.h (TDF_CHAIN): Remove.
14313 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14315 * Makefile.in (C): Remove
14317 (.PHONY): Remove C and PROTO
14319 2006-02-20 Roger Sayle <roger@eyesopen.com>
14321 PR middle-end/26236
14322 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14323 deprecated CHAR_TYPE tree code.
14325 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14327 * configure.ac (target_list): Add install-info, dvi, html.
14328 * configure: Regenerate.
14330 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14331 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14332 treelang/Make-lang.in: Do not use double-colon rules.
14334 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14336 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14337 (TMT_USED_ALONE): New macro.
14338 * tree-pass.h (PROP_tmt_usage): New property.
14339 (TODO_update_tmt_usage): New todo.
14340 * tree-ssa-alias.c (updating_used_alone): New variable.
14341 (recalculate_used_alone): New function.
14342 (compute_may_aliases): Set updating_used_alone, call
14343 recalculate_used_alone.
14344 * tree-sra.c (pass_sra): Note that this pass destroys
14345 PROP_tmt_usage, and add TODO_update_tmt_usage.
14346 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14347 * tree-flow.h (updating_used_alone): Prototype.
14348 (recalculate_used_alone): Ditto.
14349 * passes.c (execute_todo): Add code to set updating_used_alone,
14350 and call recalculate.
14351 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14352 for clobber if used alone, and add assert to verify used_alone
14355 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14357 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14358 for non tls symbols added.
14359 (legitimize_address): Do nothing for PLUS expressions if one of the
14360 addends is a tls symbol reference.
14362 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14366 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14368 * Makefile.in (BOOTSTRAPPING): New.
14369 (quickstrap): New definition if BOOTSTRAPPING=yes.
14371 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14372 * configure.ac: Substitute all_selected_languages with the languages
14373 that were configured. For all the other variables except
14374 lang_specs_files, include all the languages in the tree.
14375 * configure: Regenerate.
14377 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14378 if there is one. Run the commands to run fixincludes in the same
14381 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14382 * doc/install.texi: Document exact conventions for searching target tools.
14383 Document --with-build-time-tools. Document toplevel bootstrap. Document
14384 something more about building an Ada cross-compiler. Don't list GNU Make
14385 requirements which affect all platforms.
14387 2006-02-19 Roger Sayle <roger@eyesopen.com>
14389 PR middle-end/19543
14390 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14391 only equivalent if the have both the same mode and precision.
14393 2006-02-20 Ben Elliston <bje@au.ibm.com>
14395 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14397 2006-02-19 Roger Sayle <roger@eyesopen.com>
14398 Steven Bosscher <stevenb.gcc@gmail.com>
14400 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14401 constant pool references to identify stack mode constants.
14402 * rtlanal.c (constant_pool_constant_p): New predicate to check
14403 whether operand is a floating point constant in the pool.
14404 * rtl.h (constant_pool_constant_p): Prototype here.
14405 * loop.c (scan_loop): Avoid hoisting constants from the constant
14406 pool on STACK_REGS targets.
14407 (load_mems): Likewise.
14408 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14409 loads into x87 registers expensive in terms of register pressure.
14411 2006-02-19 Roger Sayle <roger@eyesopen.com>
14413 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14414 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14416 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14418 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14419 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14421 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14423 * doc/invoke.texi: Document -fipa-pta.
14424 * common.opt: Add ipa-pta option.
14425 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14426 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14427 (do_ds_constraint): Ditto.
14428 (get_constraint_for): Only add to referenced_vars if
14429 referenced_vars exists.
14430 (insert_into_field_list): Rewrite to do this unsorted.
14431 (insert_into_field_list_sorted): Rename old insert_into_field_list
14433 (create_function_info_for): Use insert_into_field_list_sorted.
14434 (create_variable_info_for): Rewrite so it uses unsorted version,
14435 since the field list is sorted.
14436 (intra_create_variable_infos): Only add to referenced_vars if
14437 referenced_vars exists.
14438 (ipa_pta_execute): Init heapvars, and delete when done.
14439 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14441 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14443 * doc/install.texi: Add missing `@samp'.
14445 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14447 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14450 2006-02-18 Mark Wielaard <mark@klomp.org>
14452 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14453 who added new 4.1 features, bug fixes and integration support.
14455 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14458 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14459 MEM for ABI_V4 pic.
14461 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14463 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14464 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14465 (copy_insn_1): Likewise. Don't copy each field individually.
14467 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14469 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14470 * rtl.c (rtx_size): Rename variable to...
14471 (rtx_code_size): ...this.
14472 (rtx_size): New function.
14473 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14474 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14476 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14477 * rtl.h (rtx_code_size): New variable.
14478 (rtx_size): Change from a variable to a function.
14479 (RTX_SIZE): Rename to...
14480 (RTX_CODE_SIZE): ...this.
14483 PR tree-optimization/17106
14484 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14485 (Anchored Addresses): New section.
14486 * doc/invoke.texi (-fsection-anchors): Document.
14487 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14488 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14489 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14490 * hooks.c (hook_bool_mode_rtx_false): New function.
14491 * hooks.h (hook_bool_mode_rtx_false): Declare.
14492 * gengtype.c (create_optional_field): New function.
14493 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14494 SYMBOL_REF_IN_BLOCK_P is true.
14495 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14496 (min_anchor_offset, max_anchor_offset): Likewise.
14497 (use_anchors_for_symbol_p): New hook.
14498 * toplev.c (compile_file): Call output_object_blocks.
14499 (target_supports_section_anchors_p): New function.
14500 (process_options): Check that -fsection-anchors is only used on
14501 targets that support it and when -funit-at-a-time is in effect.
14502 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14503 if the decl doesn't have one.
14504 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14505 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14506 of force_const_mem through use_anchored_address.
14507 (expand_expr_constant): New function.
14508 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14509 calling expand_expr for INDIRECT_REF.
14510 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14511 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14512 * expr.h (use_anchored_address): Declare.
14513 * loop-unroll.c: Don't declare rtx vectors here.
14514 * explow.c: Include output.h.
14515 (validize_mem): Call use_anchored_address.
14516 (use_anchored_address): New function.
14517 * common.opt (-fsection-anchors): New switch.
14518 * varasm.c (object_block_htab, anchor_labelno): New variables.
14519 (hash_section, object_block_entry_eq, object_block_entry_hash)
14520 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14521 (use_blocks_for_decl_p, change_symbol_section): New functions.
14522 (get_variable_section): New function, split out from assemble_variable.
14523 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14524 use_blocks_for_decl_p say so. Use change_symbol_section if the
14525 symbol has already been created.
14526 (assemble_variable_contents): New function, split out from...
14527 (assemble_variable): ...here. Don't output any code for
14528 block symbols; just pass them to place_block_symbol.
14529 Use get_variable_section and assemble_variable_contents.
14530 (get_constant_alignment, get_constant_section, get_constant_size): New
14531 functions, split from output_constant_def_contents.
14532 (build_constant_desc): Create a block symbol if use_object_blocks_p
14533 says so. Or into SYMBOL_REF_FLAGS.
14534 (assemble_constant_contents): New function, split from...
14535 (output_constant_def_contents): ...here. Don't output any code
14536 for block symbols; just pass them to place_section_symbol.
14537 Use get_constant_section and get_constant_alignment.
14538 (force_const_mem): Create a block symbol if use_object_blocks_p and
14539 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14540 (output_constant_pool_1): Add an explicit alignment argument.
14541 Don't switch sections here.
14542 (output_constant_pool): Adjust call to output_constant_pool_1.
14543 Switch sections here instead. Don't output anything for block symbols;
14544 just pass them to place_block_symbol.
14545 (init_varasm_once): Initialize object_block_htab.
14546 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14547 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14548 (place_block_symbol, get_section_anchor, output_object_block)
14549 (output_object_block_htab, output_object_blocks): New functions.
14550 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14551 (TARGET_ASM_OUT): Include it.
14552 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14553 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14554 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14555 (TARGET_INITIALIZER): Include them.
14556 * rtl.c (rtl_check_failed_block_symbol): New function.
14557 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14558 (block_symbol, object_block): New structures.
14559 (rtx_def): Add a block_symbol field to the union.
14560 (BLOCK_SYMBOL_CHECK): New macro.
14561 (rtl_check_failed_block_symbol): Declare.
14562 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14563 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14564 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14565 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14566 * output.h (output_section_symbols): Declare.
14567 (object_block): Name structure.
14568 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14569 (default_use_anchors_for_symbol_p): Declare.
14570 * Makefile.in (RTL_BASE_H): Add vec.h.
14571 (explow.o): Depend on output.h.
14572 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14573 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14574 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14575 (rs6000_use_blocks_for_constant_p): New function.
14577 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14579 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14581 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14584 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14587 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14589 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14593 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14595 PR middle-end/26334
14596 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14597 instead of DECL_REGISTER.
14599 2006-02-18 Olivier Hainque <hainque@adacore.com>
14602 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14604 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14607 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14608 * opth-gen.awk: Handle Var and InverseMask together.
14609 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14610 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14611 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14612 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14614 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14616 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14617 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14618 LINUX_DYNAMIC_LINKER): Define.
14619 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14620 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14622 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14623 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14624 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14626 (TARGET_C99_FUNCTIONS): Don't define.
14627 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14628 GLIBC_DYNAMIC_LINKER.
14629 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14630 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14631 GLIBC_DYNAMIC_LINKER64): Define.
14632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14633 LINUX_DYNAMIC_LINKER64.
14634 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14636 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14638 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14640 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14641 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14642 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14644 and LINUX_DYNAMIC_LINKER32.
14645 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14647 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14649 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14651 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14652 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14653 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14654 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14655 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14656 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14657 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14658 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14659 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14660 LINUX_DYNAMIC_LINKER): Define.
14661 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14662 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14663 GLIBC_DYNAMIC_LINKER64): Define.
14664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14665 LINUX_DYNAMIC_LINKER64.
14666 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14667 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14668 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14669 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14670 LINUX_DYNAMIC_LINKER): Define.
14671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14672 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14673 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14674 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14675 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14676 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14677 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14678 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14679 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14680 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14682 * doc/invoke.texi (-muclibc): Remove caveat about supported
14685 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14687 * doc/cpp.texi (__TIMESTAMP__): Document.
14689 2006-02-17 Roger Sayle <roger@eyesopen.com>
14691 PR middle-end/25600
14692 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14693 C is one less than the width of X (and related transformations).
14694 * simplify-rtx.c (simplify_unary_operation_1): Transform
14695 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14696 depending on STORE_FLAG_VALUE, were C is one less then the
14699 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14701 Fix PR tree-optimization/26341
14702 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14703 about NAME_MEMORY_TAG's.
14705 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14708 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14709 with hardware float support, and software float support. Add fcpy
14710 alternative to hardware patterns. Add alternatives to copy between
14711 general and floating-point registers to the 32-bit pattern.
14712 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14713 secondary reload to load a QI or HI mode constant into a floating
14715 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14716 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14718 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14721 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14723 (load_macho_picbase_di): Likewise.
14725 2006-02-16 Jeff Law <law@redhat.com>
14727 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14728 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14729 (ssa_name_nonzero_p): Likewise.
14730 (get_value_range): Return NULL if VRP is not running.
14731 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14732 VRP routines do not discover a range.
14733 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14734 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14735 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14736 (tree_expr_nonnegative_p): Similarly.
14737 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14738 (restore_nonzero_vars_to_original_value): Remove.
14739 (unsafe_associative_fp_binop): Remove.
14740 (tree_ssa_dominator_optimize): Remove initialization and
14741 finalization of nonzero_vars and nonzero_vars_stack.
14742 (dom_opt_initialize_block): No longer push marker on
14743 nonzero_vars_stack.
14744 (dom_opt_finalize_block): No longer call
14745 restore_nonzero_vars_to_original_value.
14746 (record_equivalences_from_phis): No longer look for
14747 nonzero PHI arguments.
14748 (cprop_into_successor_phis): No longer propagate nonzero
14749 property into PHI arguments. Lose unused argument. Caller
14751 (record_equivalences_from_stmt): No longer record nonzero
14752 values for SSA_NAMEs.
14753 (lookup_avail_expr): No longer use nonzero_vars.
14755 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14756 for sizetype when sizetype is unsigned.
14758 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14760 PR rtl-optimization/25603
14761 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14762 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14763 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14764 with new meaning of SETS.
14766 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14771 * config/linux.opt: New file.
14772 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14773 LINUX_DYNAMIC_LINKER): Define.
14774 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14775 * config.gcc (*-*-linux*): Define extra_options.
14776 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14777 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14778 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14779 GLIBC_DYNAMIC_LINKER.
14780 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14781 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14782 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14784 * doc/invoke.texi (GNU/Linux Options): New section.
14786 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14788 * config/sparc/sparc.md (setjmp): Rewrite.
14789 (setjmp_32): Delete.
14790 (setjmp_64): Likewise.
14792 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14794 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14797 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14799 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14802 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14804 PR rtl-optimization/26296
14805 * Makefile.in (loop-invariant.c): Add except.h dependency.
14806 * loop-invariant.c: Include except.h.
14807 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14809 2005-02-16 Paul Brook <paul@codesourcery.com>
14811 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14814 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14816 PR rtl-optimization/25636
14817 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14818 when deciding whether an insn is an initializing insn.
14820 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14822 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14823 (tree_code_size): Ditto.
14824 * tree.h (struct tree_memory_tag): Remove parent_var.
14825 (struct tree_struct_field_tag): New.
14828 (union tree_node): Add sft member.
14829 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14831 (create_sft): Add size and offset argument, set SFT_OFFSET and
14833 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14834 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14835 * tree-flow-inline.h (get_subvar_at): Update for
14836 SFT_OFFSET/SFT_SIZE.
14837 (var_can_have_subvars): Ditto.
14838 (overlap_subvar): Ditto.
14839 * print-tree.c (print_node): Print out interesting things for
14841 * tree-flow.h (struct subvar): Remove offset and size members.
14842 * tree-ssa-operands.c (get_expr_operands): Update for
14843 get_indirect_ref_operands changes.
14844 (get_indirect_ref_operands): Call add_virtual_operand instead of
14845 add_stmt_operand. Only recurse on base var if requested.
14846 (access_can_touch_variable): New function.
14847 (add_stmt_operand): Split virtual operand handling into ...
14848 (add_virtual_operand): Here. Add offset, size, and for_clobber
14849 arguments. Prune alias sets.
14850 (add_call_clobber_ops): Call add_virtual_operand.
14852 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14854 PR middle-end/26300
14855 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14857 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14858 than TREE_CODE as index into omp_clause_num_ops array.
14860 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14862 PR rtl-optimization/26184
14863 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14865 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14866 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14867 must_precede, must_follow and tobe_scheduled.
14870 * opts.c (common_handle_option): Free new_option pointer.
14871 * df-core.c (df_analyze): Free postorder pointer.
14873 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14875 * Makefile.in: Fix the examples about the use of stamps
14877 2006-02-15 Michael Matz <matz@suse.de>
14879 PR middle-end/22275
14881 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14882 influenced by maximum_field_alignment or DECL_PACKED.
14883 (update_alignment_for_field): Ditto.
14884 (place_field): Ditto.
14885 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14888 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14890 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14891 (debug_flow_info): Pass it.
14892 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14893 * bb-reorder.c (reorder_basic_blocks): Likewise.
14894 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14895 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14896 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14897 * gcse.c (gcse_main, bypass_jumps): Likewise.
14898 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14899 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14900 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14901 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14902 * rtl.h (dump_flow_info): Adjust prototype.
14903 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14904 * var-tracking.c (variable_tracking_main): Likewise.
14905 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14906 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14909 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14911 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14914 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14916 PR tree-optimization/26209
14917 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14918 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14920 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14922 2006-02-14 Roger Sayle <roger@eyesopen.com>
14924 PR middle-end/23670
14925 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14926 (X,Y) and the corresponding symmetry related transformations.
14927 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14928 (X,Y) and its symmetry related transformations.
14930 2006-02-14 Roger Sayle <roger@eyesopen.com>
14932 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14935 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14937 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14939 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14942 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14943 support COMDAT group.
14944 * configure: Regenerate.
14946 2006-02-14 Roger Sayle <roger@eyesopen.com>
14948 PR middle-end/26279
14949 PR middle-end/26280
14950 PR middle-end/26283
14951 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14953 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14955 Fix PR tree-optimization/26260
14957 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14959 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14960 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14961 * tree-ssa-structalias.c (create_variable_info_for): Use
14962 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14964 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14966 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14968 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14969 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14970 of the ending condition.
14971 * tree-ssa-loop-manip.c: Include params.h.
14972 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14973 tree_unroll_loop): New functions.
14974 * tree-pass.h (pass_loop_prefetch): Declare.
14975 * loop.c (rest_of_handle_loop_optimize): Test for
14976 -fprefetch-loop-arrays-rtl.
14977 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14978 * timevar.def (TV_TREE_PREFETCH): New timevar.
14979 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14980 pass_loop_prefetch): New.
14981 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14982 (cleanup_tree_cfg_loop): Call scev_reset.
14983 * common.opt (fprefetch-loop-arrays-rtl): Add.
14984 * tree-ssa-loop-prefetch.c: New file.
14985 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14986 (new_temp_expr_table): Initialize expr_vars.
14987 (free_temp_expr_table): Cleanup expr_vars.
14988 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14989 expressions from being merged into one.
14990 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14991 (struct tree_niter_desc): Add control, bound and cmp fields.
14992 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14994 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14995 (tree-cfgcleanup.o): Add SCEV_H dependency.
14996 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14997 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14999 2006-02-14 Richard Guenther <rguenther@suse.de>
15001 PR tree-optimization/26258
15002 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15003 in PHI argument processing.
15005 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15007 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15008 new expression in the requested machine mode.
15010 2006-02-13 Roger Sayle <roger@eyesopen.com>
15012 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15013 directly, instead let do_compare_rtx_and_jump handle this for us.
15014 * expr.c (expand_expr_real_1): Likewise.
15015 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15016 before do_jump_by_parts_greater.
15017 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15018 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15020 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15022 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15024 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15026 PR rtl-optimization/26235
15027 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15028 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15031 2006-02-13 Jeff Law <law@redhat.com>
15033 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15036 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15038 PR middle-end/26092
15039 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15040 twice if decl is a builtin. When trying again, call get_callee_fndecl
15041 first to verify it is still a builtin.
15043 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15045 * dwarf2out.c (base_type_die): Don't add AT_name here.
15046 (subrange_type_die): Don't add AT_name here.
15047 (modified_type_die): Rearrange code flow. Do add AT_name here.
15049 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15051 PR rtl-optimization/26247
15052 PR rtl-optimization/26248
15053 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15055 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15057 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15058 * config/fixtfdi.c: Likewise.
15059 * config/fixunstfdi.c: Likewise.
15060 * config/floatditf.c: Likewise.
15062 2006-02-13 Roger Sayle <roger@eyesopen.com>
15064 PR middle-end/24427
15065 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15066 into (X,C2) if C1 is a subset of the bits of C2. Transform
15067 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15069 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15071 2006-02-13 Josh Conner <jconner@apple.com>
15074 * varasm.c (function_section): Check for section name before
15075 calling select_section on targets that define
15076 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15077 unlikely_text_section instead of hot_function_section if
15078 first_function_block_is_cold.
15080 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15082 PR middle-end/25335
15083 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15087 PR rtl-optimization/26222
15088 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15089 after tree->rtl expansion.
15090 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15091 before passing it to emit_move_insn.
15093 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15095 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15097 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15098 Clarify documentation.
15099 * c-common.h (warn_write_strings): Remove.
15100 * c-common.c (warn_write_strings): Likewise.
15101 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15104 2006-02-12 Roger Sayle <roger@eyesopen.com>
15106 PR middle-end/25724
15107 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15108 (do_jump_parts_zero_rtx): New function renamed from
15109 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15110 (do_jump_parts_equality_rtx): New function split out from
15111 do_jump_parts_equality. Old implementation renamed as above.
15112 Call do_jump_parts_zero_rtx if either operand is zero.
15113 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15114 do all of the heavy lifting.
15115 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15116 calling either do_jump_by_parts_greater_rtx or
15117 do_jump_by_parts_equality_rtx.
15118 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15119 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15120 moved to do_compare_rtx_and_jump, call it directly.
15121 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15122 mode argument. Call do_compare_rtx_and_jump.
15123 (emit_case_nodes): Update calls to do_jump_if_equal.
15125 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15127 PR rtl-optimization/26225
15128 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15130 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15132 PR rtl-optimization/26232
15133 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15135 2006-02-11 Jason Merrill <jason@redhat.com>
15138 * tree-inline.c (declare_return_variable): Just don't use the
15139 modify target if it's a gimple complex reg and the return slot
15142 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15144 * doc/contrib.texi: Update my entry.
15146 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15148 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15150 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15152 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15155 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15157 * doc/invoke.texi (-floop-optimize2): Removed.
15158 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15159 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15160 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15161 * common.opt (floop-optimize2): Removed.
15162 (fmove-loop-invariants): Enabled by default.
15164 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15166 * tree-if-conv.c (combine_blocks): Free the result of
15167 get_loop_exit_edges.
15169 2006-02-10 Jeff Law <law@redhat.com>
15171 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15173 PR tree-optimization/26213
15174 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15175 loop trying to follow SSA_NAME_VALUE chains.
15177 2006-02-10 Richard Guenther <rguenther@suse.de>
15179 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15180 deal with structures that end in implicitly variable sized arrays.
15182 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15184 PR rtl-optimization/24762
15185 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15188 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15190 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15191 (struct ivopts_data): Add regs_used field.
15192 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15193 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15194 instead of loop_data->regs_used;
15195 (free_loop_data): Do not free aux fields for loops.
15196 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15197 and tree_ssa_iv_optimize_finalize.
15199 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15201 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15203 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15206 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15207 computing the effective result type.
15209 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15211 PR inline-asm/16194
15212 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15213 (tree_overlaps_hard_reg_set): Declare.
15214 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15215 type and signature to match function type expected by walk_tree.
15216 (tree_overlaps_hard_reg_set): New function.
15217 (decl_conflicts_with_clobbers_p): Rename to:
15218 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15219 Use tree_overlaps_hard_reg_set. Changed caller.
15220 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15221 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15222 * cris.c (cris_md_asm_clobbers): Likewise.
15224 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15226 * reload1.c (emit_input_reload_insns): Delete code that tries to
15227 inherit using find_equiv_reg.
15229 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15231 * c-common.h (flag_const_strings): Don't declare.
15232 * c-common.c (flag_const_strings): Remove.
15233 * c.opt (fconst_strings): Remove.
15234 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15235 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15236 (c_common_init_options): Don't set flag_const_strings.
15237 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15239 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15241 * arm.md (tlobits_cbranch): New pattern.
15242 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15243 testing a single bit.
15245 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15248 * tree-ssa-pre.c (create_component_ref_by_pieces):
15249 Handle RETURN_DECL like VAR_DECL.
15251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15253 PR middle-end/26134
15254 * fold-const.c (fold_indirect_ref_1): Fold
15255 "*(foo *)&complexfoo" to "__real__ complexfoo"
15256 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15258 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15260 * tree-flow-inline.h (var_can_have_subvars):
15261 Volatile variables should not have subvariables.
15263 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15266 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15267 multiplying unsigned values.
15270 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15272 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15274 2006-02-08 Jason Merrill <jason@redhat.com>
15277 * tree.def: Elaborate on difference from MODIFY_EXPR.
15278 * doc/c-tree.texi (INIT_EXPR): Likewise.
15279 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15280 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15281 (gimplify_target_expr): Likewise.
15282 (gimplify_cond_expr): Remove target handling.
15283 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15284 (gimplify_expr): Clobber it here.
15285 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15286 Do return slot optimization if we have an INIT_EXPR.
15289 * tree-inline.c (declare_return_variable): Also clear
15290 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15293 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15295 PR middle-end/22439
15296 * gimplify.c (gimplify_one_sizepos): Fix typo.
15298 2006-02-08 Jeff Law <law@redhat.com>
15300 PR tree-optimization/21417
15301 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15302 across a backedge if the control statement at the end of the
15303 block is data dependent on other statements in the same block.
15304 (record_temporary_equivalences_from_stmts): Remove over-conservative
15305 test for threading across backedges.
15307 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15308 control statement, handle all three special cases in the same
15309 manner as they all have the same desired solution. No longer
15310 special case edge flag updating when the post dominator is
15313 2006-02-08 Roger Sayle <roger@eyesopen.com>
15315 * tree.def (CHAR_TYPE): Remove.
15316 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15317 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15318 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15319 (gen_string_type_die): Delete unreachable function.
15321 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15322 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15323 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15324 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15325 * builtins.c (type_to_class): Likewise.
15326 * fold-const.c (fold_convert, build_range_check,
15327 merge_ranges): Likewise.
15328 * expr.c (count_type_elements): Likewise.
15329 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15330 * stor-layout.c (layout_type): Likewise.
15331 * ipa-type-escape.c (type_to_consider): Likewise.
15332 * gimplify.c (omp_firstprivatize_type_sizes,
15333 gimplify_type_sizes): Likewise.
15334 * explow.c (promote_mode): Likewise.
15335 * tree-sra.c (is_sra_scalar_type): Likewise.
15336 * varasm.c (output_constant): Likewise.
15337 * tree-inline.c (remap_type_1): Likewise.
15338 * convert.c (convert_to_pointer, convert_to_real,
15339 convert_to_integer, convert_to_complex): Likewise.
15341 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15343 * df-scan.c (df_def_record_1): A set destination may
15344 be a parallel regardless of mode.
15346 2006-02-08 Roger Sayle <roger@eyesopen.com>
15349 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15350 * config/mips/_tilib.c: Remove.
15351 * config/fixtfdi.c: New libgcc source file.
15352 * config/fixunstfdi.c: New source file.
15353 * config/floatditf.c: New source file.
15354 * config/floatunditf.c: New souce file.
15355 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15356 files above instead of config/mips/_tilib.c.
15357 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15359 2006-02-08 Jeff Law <law@redhat.com>
15361 PR tree-optimization/26169
15362 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15365 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15367 * df.h (DF_REG_SIZE): Return the length of the initialized
15370 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15372 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15373 __muldf3): Return a correctly signed zero.
15375 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15377 * passes.c (register_one_dump_file): Accept the current properties
15378 instead of pass number. Adjust call to dump_register. Remove
15380 (register_dump_files): Now a wrapper around...
15381 (register_dump_files_1): ... this one. Do not modify the pass
15383 (next_pass_1): Cosmetic fix.
15384 (execute_todo): Keep second parameter only. Use curr_properties
15385 instead of fetching it from the pass structure. Check and set
15387 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15388 instead of fetching it from the pass structure. Fix calls to
15389 execute_todo. Update curr_properties and initialize .vcg RTL dump
15390 after running the pass. Reset last_verified.
15391 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15393 (FIRST_AUTO_NUMBERED_DUMP): New.
15394 (dump_register): Remove "num" parameter, assign it within the
15396 (get_dump_file_name): Modify template for dumps.
15397 * tree-dump.h (dump_register): Adjust prototype.
15398 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15399 (PROP_trees): Add PROP_gimple_lomp.
15400 (TODO_set_props): New.
15401 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15402 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15403 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15405 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15407 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15408 (sparc64-*-linux*): Likewise.
15409 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15410 * config/sparc/t-linux: New file.
15411 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15412 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15413 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15414 -m32 -mlong-double-128.
15416 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15417 * config/alpha/t-linux: New file.
15418 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15420 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15421 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15422 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15423 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15424 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15425 (CPP_ARCH32_SPEC): Remove.
15427 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15429 PR tree-optimization/26145
15430 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15433 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15436 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15437 >= 240000 when generating code for SOM runtime.
15438 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15439 to $$dyncall when generating code for SOM runtime..
15441 2006-02-07 Dirk Mueller <dmueller@suse.com>
15444 * doc/invoke.texi (-Wsequence-point): Update documentation
15445 that -Wsequence-point is implemented for C++ as well.
15447 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15449 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15450 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15451 (LIB_SPEC): Likewise.
15452 * doc/invoke.texi (SPARC options): Document -pthread.
15454 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15456 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15459 2006-02-07 Roger Sayle <roger@eyesopen.com>
15461 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15462 Correct comment describing BOOLEAN_TYPE.
15464 2006-02-07 Dirk Mueller <dmueller@suse.com>
15466 * c.opt: C++ frontend supports -Wdiv-by-zero.
15467 * c-opts.c (c_common_handle_option): Remove dead case.
15469 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15471 * configure.ac (TLS assembler check): Do not enable TLS by
15472 default on SPARC/Solaris before version 10.
15473 * configure: Regenerate.
15475 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15477 * doc/invoke.texi (xl-compat): Document conversion and support
15480 2006-02-07 Jeff Law <law@redhat.com>
15482 * tree-vrp.c (find_conditional_asserts): Update comments.
15483 (simplify_stmt_for_jump_threading): New.
15484 (identify_jump_threads, finalize_jump_threads): New.
15485 (vrp_finalize): Call identify_jump_threads.
15486 (execute_vrp): Call finalize_jump_threads.
15487 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15488 (vrp_element, vrp_data, vrp_element_p): Remove.
15489 (vrp_hash_elt, vrp_variables_stack): Remove.
15490 (vrp_hash, vrp_eq, record_range): Remove.
15491 (simplify_cond_and_lookup_avail_expr): Remove.
15492 (extract_range_from_cond): Remove.
15493 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15494 (simplify_stmt_for_jump_threading): New.
15495 (dom_thread_across_edge): New wrapper.
15496 (tree_ssa_dominator_optimize): No longer initialize or
15497 finalize any of the VRP datastructures. Remove iteration
15498 step and simplify as a result of removal of iteration step.
15499 (pass_dominator): Perform a cfg cleanup after DOM.
15500 (dom_opt_finalize_block): Use the new common routines
15501 for threading jumps. Simplify stack management slightly.
15502 No longer need to unwind VRP state.
15503 (record_equivalences_from_incoming_edge): No longer record
15505 (eliminate_redundant_computations): No longer call
15506 simplify_cond_and_lookup_avail_expr.
15507 * tree-flow.h (potentially_threadable_block): Prototype.
15508 (thread_across_edge): Likewise.
15509 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15510 (tree-ssa-threadedge.o): Add dependencies.
15511 * tree-ssa-threadedge.c: New file.
15512 * passes.c (init_optimization_passes): Merge PHIs before
15513 calling VRP. Run VRP again late in the SSA optimization pipeline.
15515 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15517 * df-core.c (df_set_blocks): Do not dereference function pointers.
15518 (df_finish1): Likewise.
15519 (df_hybrid_search_forward): Likewise.
15520 (df_hybrid_search_backward): Likewise.
15521 (df_iterative_dataflow): Likewise.
15522 (df_analyze_problem): Likewise.
15523 (df_compact_blocks): Likewise.
15524 (df_dump): Likewise.
15525 * df-scan.c (df_rescan_blocks): Likewise.
15526 (df_record_entry_block_defs): Likewise.
15528 * genconditions.c (write_conditions): Guard the definition of
15529 'insn_conditions' with the check on GCC version.
15530 (write_writer): Guard the traversal 'insn_conditions' with
15531 the check on GCC version.
15533 2006-02-07 Richard Guenther <rguenther@suse.de>
15537 2006-01-30 Richard Guenther <rguenther@suse.de>
15539 * gimplify.c (gimplify_target_expr): Handle easy cases
15540 without creating a temporary.
15542 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15544 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15545 use of float in probability computations. Use edge probabilities
15546 in place of statically computed probabilities.
15547 (min_spec_prob): New static variable.
15548 (schedule_insns): Initialize it.
15549 (GET_SRC_PROB): Removed.
15550 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15552 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15555 * config/ia64/unwind-ia64.c: Revert last change.
15556 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15557 (INCOMING_FRAME_SP_OFFSET): Define.
15559 2006-02-06 Roger Sayle <roger@eyesopen.com>
15561 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15563 2006-02-07 Ben Elliston <bje@au.ibm.com>
15565 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15566 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15567 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15568 (ix86_return_in_memory): Handle TDmode.
15569 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15570 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15572 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15574 * reorg.c (dbr_schedule): Use dump_file instead of file.
15576 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15579 * config/ia64/predicates.md (extr_len_operand): New predicate.
15580 * config/ia64/ia64.md (extv): Tighten constraints.
15582 (*tbit_and_2): Ditto.
15583 (*tbit_and_3): Ditto.
15584 (*tbit_or_2): Ditto.
15585 (*tbit_or_3): Ditto.
15586 (*bit_zero): Ditto.
15589 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15592 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15594 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15596 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15597 loop_optimizer_init and loop_optimizer_finalize
15598 * tree-ssa-sink.c (execute_sink_code): Ditto.
15599 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15600 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15601 tree_ssa_loop_done): Ditto.
15602 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15603 * sched-ebb.c: Include output.h.
15604 (schedule_ebbs): Do not use dump argument.
15605 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15606 * loop.c (loop_dump_stream): Removed.
15607 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15609 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15610 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15611 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15612 loop_iterations, strength_reduce, record_biv, record_giv,
15613 final_giv_value, check_final_value, check_ext_dependent_givs,
15614 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15615 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15616 dump_file instead of loop_dump_stream.
15617 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15618 argument dump_file.
15619 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15621 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15622 * haifa-sched.c: Include output.h
15623 (schedule_insns, sched_init): Do not use dump argument.
15624 * mode-switching.c (optimize_mode_switching): Ditto.
15625 * modulo-sched.c (stats_file): Removed.
15626 (print_node_sched_params): Do not call argument dump_file.
15627 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15628 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15630 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15632 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15633 rtl_loop_init, rtl_loop_done): Ditto.
15634 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15635 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15637 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15638 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15639 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15640 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15641 * emit-rtl.c (renumber_insns): Ditto.
15642 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15643 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15644 * regclass.c (regclass): Ditto.
15645 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15646 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15647 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15648 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15650 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15651 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15653 * gcse.c (gcse_file, debug_stderr): Removed.
15654 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15655 rest_of_handle_gcse): Do not use dump argument.
15656 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15657 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15658 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15659 compute_code_hoist_vbeinout, compute_code_hoist_data,
15660 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15661 compute_store_table, build_store_vectors, insert_insn_start_bb,
15662 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15663 store_motion): Use dump_file instead of gcse_file.
15664 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15665 * profile.c (profile_dump_file): Removed.
15666 (branch_prob): Use dump_file instead of profile_dump_file.
15667 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15669 * tree-ssa-copy.c (dump_copy_of): Ditto.
15670 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15671 dump file to life_analysis.
15672 * bt-load.c (branch_target_load_optimize): Ditto.
15673 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15675 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15676 regclass, dbr_schedule): Declaration changed.
15677 * sched-int.h (sched_init): Declaration changed.
15678 * tree-profile.c (tree_profile_dump_file): Removed.
15679 (tree_profile_hooks): Removed profile_dump_file hook.
15680 * rtl-profile (rtl_profile_dump_file): Removed.
15681 (rtl_profile_hooks): emoved profile_dump_file hook.
15682 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15684 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15685 * tree-cfg.c (build_tree_cfg): Ditto.
15686 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15687 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15688 Declaration changed.
15689 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15690 life_analysis and schedule_insns.
15691 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15693 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15695 * config/mips/mips.c (mips_reorg): Ditto.
15696 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15699 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15701 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15702 (s390_mangle_fundamental_type): New.
15703 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15706 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15707 (alpha_mangle_fundamental_type): New.
15708 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15711 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15713 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15715 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15716 (sparc_mangle_fundamental_type): New.
15718 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15720 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15721 (s390x-*-linux*): Likewise.
15722 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15723 * config/s390/t-linux: New file.
15725 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15727 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15728 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15730 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15732 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15733 (ANTIC_SAFE_LOADS): New macro.
15734 (find_or_generate_expression): Add prototype.
15735 (set_contains_value): Allow null set for sake of not always having
15736 to allocate ANTIC_SAFE_LOADS.
15737 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15738 Allow COMPONENT_REF too.
15739 (valid_in_set): Allow COMPONENT_REF.
15740 Check ANTIC_SAFE_LOADS too.
15741 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15742 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15744 (can_PRE_operation): Add COMPONENT_REF.
15745 (create_component_ref_by_pieces): New function.
15746 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15747 (insert_aux): Move AGGREGATE_TYPE_P check here.
15748 (compute_avail): Set bb local stmt uids.
15749 (pass_pre): Use TODO_update_ssa_only_virtuals.
15751 2006-02-06 Ben Elliston <bje@au.ibm.com>
15753 * configure.ac: Unconditionally disable decimal float by default.
15754 * configure: Regenerate.
15756 2006-02-06 Ben Elliston <bje@au.ibm.com>
15758 * read-rtl.c (read_name): Terminate reading on EOF.
15760 2006-02-06 Ben Elliston <bje@au.ibm.com>
15762 * dfp.c (decimal_real_arithmetic): Change second argument type
15763 from int to enum tree_code. Do not always return true, but now
15764 return result of any call to decimal_do helper functions.
15765 * dfp.h (decimal_real_arithmetic): Update prototype.
15767 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15769 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15771 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15774 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15777 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15779 * tree-vrp.c (cfg_loops): Removed.
15780 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15781 Use current_loops instead of cfg_loops. Pass flags to
15782 loop_optimizer_init.
15783 * cfgloopmanip.c (fix_loop_structure): Update only available
15785 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15786 loop_optimizer_init.
15787 * modulo-sched.c (build_loops_structure): Removed.
15788 (sms_schedule): Use loop_optimizer_init.
15789 * loop-init.c (loop_optimizer_init): Use flags to determine
15790 which properties of loops to prepare.
15791 (rtl_loop_init): Pass flags to loop_optimizer_init.
15792 * tree-ssa-sink.c (execute_sink_code): Ditto.
15793 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15794 * tree-ssa-pre.c (init_pre): Ditto.
15795 * cfgloop.h (LOOPS_NORMAL): New.
15796 (loop_optimizer_init): Declaration changed.
15798 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15800 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15801 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15803 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15805 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15807 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15808 * pa/t-pa64: Delete quadlib.c rule.
15809 * pa/x-ada: Revert last change.
15810 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15812 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15814 PR rtl-optimization/26087
15815 * rtlanal.c (canonicalize_condition): Do not cross basic block
15818 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15821 * config/ia64/ia64.c: Include debug.h.
15822 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15823 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15824 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15825 (process_epilogue, process_set, process_for_unwind_directive):
15826 Output unwind info only if requested. Add CFA info if requested.
15827 Add new arguments as needed. Adjust callers.
15828 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15830 (DWARF2_FRAME_INFO): Define to zero.
15831 * config/ia64/unwind-ia64.c: Remove code that compensated for
15832 the CFA offset error fixed above.
15833 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15834 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15835 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15836 -funwind-tables and -fexceptions to enable frame info.
15837 (dwarf2out_frame_init): Define initial CFA even if
15838 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15839 DWARF2_UNWIND_INFO is nonzero, not just defined.
15840 (dwarf2out_frame_finish): Output non-EH call frame info only
15841 if DWARF2_FRAME_INFO is nonzero.
15842 (convert_cfa_to_loc_list,
15843 compute_frame_pointer_to_cfa_displacement): Define even if
15844 unwind info is not supported.
15845 (gen_subprogram_die): Use the above unconditionally. Remove
15846 legacy alternate code.
15847 * toplev.c (compile_file): Compile in call to
15848 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15849 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15851 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15852 Jakub Jelinek <jakub@redhat.com>
15854 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15855 IBM extended float format long double as "g" on powerpc*-linux.
15857 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15860 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15861 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15863 2006-02-03 Jason Merrill <jason@redhat.com>
15866 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15868 PR middle-end/25977
15869 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15870 on the return slot if it's an NRV.
15872 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15874 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15875 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15876 rewrite_use): Do not handle USE_OUTER.
15877 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15878 add_iv_outer_candidates, may_replace_final_value,
15879 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15880 (find_interesting_uses_op): Functionality of
15881 find_interesting_uses_outer_or_nonlin moved here.
15882 (find_interesting_uses_outside): Use find_interesting_uses_op.
15884 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15887 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15889 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15890 Ulrich Weigand <uweigand@de.ibm.com>
15893 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15894 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15895 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15896 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15898 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15899 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15900 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15901 Define secondary reloads for TFmode moves.
15902 (constant_modes): Add TFmode.
15903 (NR_C_MODES): Set to 8.
15904 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15906 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15907 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15908 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15909 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15910 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15911 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15912 (FPR mode macro): Add TFmode.
15913 (DSF mode macro): New.
15914 (<de>, <dee> mode attributes): Removed.
15915 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15916 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15917 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15918 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15919 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15920 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15921 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15922 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15923 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15924 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15925 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15926 "*negabs<mode>2", "sqrt<mode>2"):
15927 Changed <de> to <xde>. R constraint replaced by <Rf>.
15928 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15930 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15931 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15932 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15934 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15935 "extenddftf2", "extendsftf2"): New expanders.
15936 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15937 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15938 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15939 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15941 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15942 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15943 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15944 __floatditf): Add a GCC_4.1.0 symbol version tag.
15945 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15948 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15951 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15952 Use targetm.binds_local_p instead of TREE_PUBLIC.
15954 2006-02-02 Roger Sayle <roger@eyesopen.com>
15956 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15957 on INTEGER_TYPEs to indicate that it denotes a character type.
15958 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15959 signed_char_type_node, unsigned_char_type_node and char_type_node.
15960 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15961 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15962 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15964 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15965 Daniel Berlin <dberlin@dberlin.org>
15967 * tree-tailcall.c (arg_needs_copy_p): New function.
15968 (eliminate_tail_call): Use arg_needs_copy_p.
15969 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15970 (add_virtual_phis): New function.
15972 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15974 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15975 #ignore instead of #scratch for %g7 .register directive.
15977 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15979 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15982 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15984 * flow.c (calculate_global_regs_live): Assert that there aren't any
15987 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15989 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15990 what its name says.
15991 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15992 bsi_after_labels iterator.
15993 * tree-if-conv.c (find_phi_replacement_condition,
15994 replace_phi_with_cond_modify_expr): Likewise.
15995 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15996 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15998 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16000 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16002 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16005 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16006 array after growing it.
16008 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16010 PR middle-end/24901
16011 * fold-const.c (fold_checksum_tree): Change type of buf.
16013 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16015 * reload.c (push_secondary_reload): Initialize t_icode.
16017 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16019 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16020 -msoft-float -mlong-double-128 only issue a warning, but don't
16021 swich to DFmode long double.
16023 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16025 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16026 has a constant equivalent, iterate over equivalents for arg0,
16027 calling simplify_relational_operation and if there's a result
16028 cheaper than X, apply fold_rtx and return the result.
16030 2006-02-01 Jan Hubicka <jh@suse.cz>
16032 * opts.c (no_unit_at_a_time_default): New global variable.
16033 (decode_options): Use it.
16034 * opts.h (no_unit_at_a_time_default): Declare.
16036 2006-02-01 Paul Brook <paul@codesourcery.com>
16038 * function.c (assign_parm_setup_reg): Use function argument promotion
16040 * expr.c (expand_expr_real_1): Use function argument promotion rules
16043 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16045 * gcc.c (process_command): Change j to 'unsigned int'.
16047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16049 PR middle-end/26001
16050 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16051 Use the corrected index for the character
16052 out of the string constant.
16054 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16056 * mode-switching.c (optimize_mode_switching): Fix size
16057 allocated for bb_info[n_entities].
16059 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16061 * gcc.c (main): Correct type that is allocated for
16062 explicit_link_files.
16064 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16066 * config/s390/s390.c (init_alignment_context): Set
16067 ALIAS_SET_MEMORY_BARRIER on the MEM.
16068 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16070 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16072 PR middle-end/25933
16073 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16075 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16078 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16080 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16081 * regrename.c: Ditto.
16082 * tree-ssa-loop-im.c: Ditto.
16083 * tree-dump.c: Ditto.
16084 * tree-complex.c: Ditto.
16085 * genrecog.c: Ditto.
16086 * tree-ssa-threadupdate.c: Ditto.
16088 * java/class.c: Ditto.
16089 * java/jcf-parse.c: Ditto.
16090 * java/resource.c: Ditto.
16091 * java/except.c: Ditto.
16092 * java/jvspec.c: Ditto.
16093 * java/jcf-write.c: Ditto.
16094 * java/jcf-path.c: Ditto.
16095 * java/gjavah.c: Ditto.
16096 * java/zextract.c: Ditto.
16097 * java/jcf-io.c: Ditto.
16098 * java/jcf.h: Ditto.
16099 * java/buffer.c: Ditto.
16100 * java/lang.c: Ditto.
16101 * java/parse-scan.y: Ditto.
16102 * java/lex.c: Ditto.
16103 * java/lex.h: Ditto.
16104 * cfgloopmanip.c: Ditto.
16105 * postreload-gcse.c: Ditto.
16106 * tree-ssa-loop-manip.c: Ditto.
16107 * postreload.c: Ditto.
16108 * tree-ssa-loop-ch.c: Ditto.
16111 * cppspec.c: Ditto.
16112 * diagnostic.c: Ditto.
16114 * genoutput.c: Ditto.
16116 * cfghooks.c: Ditto.
16117 * cfgloopanal.c: Ditto.
16118 * objc/objc-act.c: Ditto.
16120 * genextract.c: Ditto.
16121 * genautomata.c: Ditto.
16122 * pretty-print.c: Ditto.
16123 * genemit.c: Ditto.
16124 * cgraphunit.c: Ditto.
16126 * df-scan.c: Ditto.
16127 * haifa-sched.c: Ditto.
16128 * dominance.c: Ditto.
16130 * tree-ssa-loop-ivopts.c: Ditto.
16131 * df-core.c: Ditto.
16132 * mode-switching.c: Ditto.
16133 * modulo-sched.c: Ditto.
16135 * ipa-pure-const.c: Ditto.
16137 * fix-header.c: Ditto.
16139 * tree-stdarg.c: Ditto.
16140 * ipa-utils.c: Ditto.
16141 * loop-init.c: Ditto.
16142 * ipa-inline.c: Ditto.
16143 * cfganal.c: Ditto.
16145 * alloc-pool.c: Ditto.
16146 * dwarf2out.c: Ditto.
16148 * genattrtab.c: Ditto.
16149 * tree-ssa-loop-ivcanon.c: Ditto.
16150 * predict.c: Ditto.
16151 * timevar.c: Ditto.
16153 * fortran/gfortranspec.c: Ditto.
16154 * regmove.c: Ditto.
16155 * local-alloc.c: Ditto.
16156 * langhooks.c: Ditto.
16157 * function.c: Ditto.
16158 * tree-vectorizer.c: Ditto.
16160 * ipa-type-escape.c: Ditto.
16162 * tree-if-conv.c: Ditto.
16163 * profile.c: Ditto.
16165 * tree-data-ref.c: Ditto.
16166 * loop-unroll.c: Ditto.
16167 * treelang/treetree.c: Ditto.
16169 * bt-load.c: Ditto.
16170 * ggc-common.c: Ditto.
16172 * coverage.c: Ditto.
16174 * tree-cfgcleanup.c: Ditto.
16175 * tree-ssa-pre.c: Ditto.
16176 * cfgcleanup.c: Ditto.
16177 * loop-invariant.c: Ditto.
16178 * loop-iv.c: Ditto.
16179 * ipa-prop.c: Ditto.
16180 * print-tree.c: Ditto.
16181 * conflict.c: Ditto.
16182 * ggc-page.c: Ditto.
16183 * sched-deps.c: Ditto.
16184 * regclass.c: Ditto.
16185 * tree-object-size.c: Ditto.
16186 * combine.c: Ditto.
16187 * bb-reorder.c: Ditto.
16188 * resource.c: Ditto.
16189 * var-tracking.c: Ditto.
16190 * cfgloop.c: Ditto.
16191 * df-problems.c: Ditto.
16192 * reg-stack.c: Ditto.
16194 * gccspec.c: Ditto.
16195 * sched-rgn.c: Ditto.
16196 * tree-ssa-structalias.c: Ditto.
16197 * tree-ssa-reassoc.c: Ditto.
16198 * config/darwin-c.c: Ditto.
16199 * config/darwin.c: Ditto.
16200 * config/arm/arm.c: Ditto.
16202 * collect2.c: Ditto.
16203 * reload1.c: Ditto.
16205 2006-01-31 Nicolas Pitre <nico@cam.org>
16207 * arm.md (smaxsi3): Make aware of smax_m1.
16210 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16212 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16214 2006-01-31 Richard Guenther <rguenther@suse.de>
16216 * doc/invoke.texi (-msselibm): Document.
16217 * target.h (expand_library_builtin): New target hook.
16218 * builtins.c (expand_builtin): Use expand_library_builtin.
16219 (default_expand_library_builtin): New function.
16220 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16221 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16222 (link_gcc_math_spec): Declare.
16223 (static_specs): Add link_gcc_math_spec.
16224 * expr.h (default_expand_library_builtin): Declare.
16225 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16226 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16227 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16228 * config/i386/i386.opt (msselibm): New target option.
16229 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16230 (ix86_init_sse_abi_builtins): New function.
16231 (ix86_expand_library_builtin): Likewise.
16232 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16233 (override_options): Handle error conditions wrt -msselibm.
16234 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16235 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16236 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16239 2006-01-31 Richard Guenther <rguenther@suse.de>
16240 Paolo Bonzini <bonzini@gnu.org>
16242 * doc/install.texi (--disable-libgcc-math): Document.
16244 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16246 * expr.h (expand_normal): new inline function.
16247 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16248 * dojump.c: use it.
16249 * dwarf2out.c: use it.
16252 * expmed.c: use it.
16253 * except.c: use it.
16254 * config/sparc/sparc.c: use it.
16255 * config/i386/i386.c: use it.
16256 * config/rs6000/rs6000.c: use it.
16257 * config/arm/arm.c: use it.
16258 * config/mips/mips.c: use it.
16259 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16261 2006-01-30 Roger Sayle <roger@eyesopen.com>
16263 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16264 argv to the appropriate type.
16266 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16268 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16271 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16274 * config/s390/s390.c (struct machine_function): New flag
16275 decomposed_literal_pool_addresses_ok_p.
16276 (s390_reorg): Set it before final stage of literal pool transforms.
16277 (s390_decompose_address): Only accept displacements of the form
16278 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16280 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16282 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16283 the comparison routine return.
16285 2006-01-30 Michael Matz <matz@suse.de>
16287 * global.c (find_reg): Only evict for global regs.
16288 Take n_refs into account and dump more info.
16290 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16293 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16294 (pragma_trap, pragma_nosave_low_regs): Likewise.
16295 (current_function_anonymous_args): Likewise.
16296 (sh_deferred_function_attributes): New variable.
16297 (sh_deferred_function_attributes_tail): Likewise.
16298 (print_operand): For '@', look up trap_exit attribute.
16299 (calc_live_regs): Look up trapa_handler attribute. For trapa
16300 handlers, save/restore fpscr, but don't do any other
16301 interrupt-specific saves.
16302 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16303 Fix check for partially saved registers to check for SHmedia.
16304 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16305 (sh_output_function_epilogue): Don't clear any of the removed
16307 (sh_insert_attributes): Don't check pragma_interrupt.
16308 Insert deferred attributes. Check that interrupt attribute is
16309 present for other attributes that require its presence.
16310 (sh_attribute_table): Add new attributes trapa_handler and
16312 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16313 Don't check for pragma_interrupt. Don't store argument.
16314 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16315 (sh_deferred_function_attributes): Declare.
16316 (sh_deferred_function_attributes_tail): Likewise.
16317 * sh.md (sp_switch_1): Add operand. Change generator caller.
16318 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16319 (*return_i): Don't use when trap_exit attribute is in effect.
16320 (*return_trapa): New insn pattern.
16321 * sh-c.c: New file.
16322 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16323 setting c_target_objs and cxx_target_objs.
16324 * t-sh: Add rule for sh-c.o.
16326 2006-01-30 Richard Guenther <rguenther@suse.de>
16329 * gimplify.c (gimplify_target_expr): Handle easy cases
16330 without creating a temporary.
16332 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16334 * vec.h (safe_grow): Remove duplicated line.
16336 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16339 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16340 (expand_omp): ... here.
16341 (expand_omp_parallel): Only remove barriers for combined
16342 parallel+workshare constructs.
16344 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16348 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16349 * tree.c (build_qualified_type): Chain the new type to the original
16350 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16351 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16352 (build_pointer_type_for_mode): Only return unqualified types.
16353 (build_reference_type_for_mode): Likewise.
16355 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16357 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16358 * Makefile.in (CXX_COMPAT_WARN): Define.
16359 * configure: Regenerate.
16361 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16364 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16367 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16369 * toplev.c: Fix thinko.
16371 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16372 Marcin Dalecki <martin@dalecki.de>
16374 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16375 (push_srcloc): Use XNEW.
16376 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16378 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16380 * df-core.c (df_set_blocks): Deleted all variable.
16382 2006-01-28 Ian Lance Taylor <ian@airs.com>
16384 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16385 cgraph_output_pending_asms.
16387 2006-01-28 Zack Weinberg <zackw@panix.com>
16389 * c.opt: Add -W(no-)overlength-strings.
16390 * doc/invoke.texi: Document it.
16391 * c-opts.c (c_common_handle_option): -pedantic implies
16392 -Woverlength-strings, if not explicitly disabled already.
16393 (c_common_post_options): -Woverlength-strings defaults to off, and
16394 is always off for C++.
16395 * c-common.c (fix_string_type): Issue warning about strings longer
16396 than is portable only if warn_overlength_strings. Rearrange code
16397 a little for clarity.
16398 * configure.in: Check for -Wno-overlength-strings as well before
16399 enabling -pedantic in stage 1.
16400 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16401 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16403 * genconditions.c (write_header, write_one_condition)
16404 (write_conditions, write_writer): Consolidate very long strings
16405 that were broken up to fit in C89 portable limit. Don't use
16406 printf when fputs will do.
16408 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16410 * combine.c (simplify_comparison <AND>): Check
16411 TRULY_NOOP_TRUNCATION before start using a subreg.
16413 * config/mips/mips.md (*branch_zero<mode>,
16414 *branch_zero<mode>_inverted, *branch_equality<mode>,
16415 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16416 Remove mode check from comparisons.
16418 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16420 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16422 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16424 * expmed.c (const_mult_add_overflow_p): Remove.
16425 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16427 * recog.c (validate_replace_rtx_subexp): Remove.
16428 * recog.h: Remove the prototype for
16429 validate_replace_rtx_subexp.
16431 * integrate.h: Remove the prototype for
16432 copy_decl_for_inlining.
16433 * rtl.h: Remove the prototype for mark_constant_function.
16434 * tree-vectorizer.h: Remove the prototype for
16435 vect_strip_conversion.
16437 * modulo-sched.c (create_partial_schedule,
16438 free_partial_schedule, reset_partial_schedule): Make them
16441 * hooks.c (hook_bool_rtx_int_false): Remove.
16442 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16444 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16446 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16447 and -mlong-double-128 are incompatible.
16448 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16449 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16450 (TARGET_LIBGCC2_CFLAGS): Define.
16451 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16452 (TARGET_LIBGCC2_CFLAGS): Same.
16453 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16455 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16458 * c-typeck.c (build_binary_op): Perform implicit casts of
16459 operands before shortening them.
16461 * cfgloopmanip.c (split_loop_bb): Remove.
16462 * cfgloop.h: Remove the prototype for split_loop_bb.
16464 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16465 * cfgloop.h: Remove the prototype for
16466 flow_loop_outside_edge_p.
16468 * emit-rtl.c (init_virtual_regs): Make it static.
16469 * function.h: Remove the prototype for init_virtual_regs.
16471 * recog.c (peephole2_optimize): Make it static.
16472 * recog.h: Remove the prototype for peephole2_optimize.
16474 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16476 * df-scan.c (df_record_entry_block_defs): Check if
16477 INCOMING_RETURN_ADDR_RTX is defined.
16479 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16480 Kenneth Zadeck <zadeck@naturalbridge.com>
16482 PR rtl-optimization/24762
16483 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16484 * targhooks.c (hook_void_bitmap): New hook prototype.
16485 * targhoohs.h (hook_void_bitmap): Ditto.
16486 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16487 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16488 * target.h (live_on_entry): New function pointer.
16489 * df-scan.c (df_all_hard_regs): Removed.
16490 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16491 (df_scan_free_internal): Added df->entry_block_defs.
16492 (df_scan_alloc): Ditto.
16493 (df_scan_dump): Ditto.
16494 (df_uses_record): Plumbed flag field properly thru calls.
16495 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16496 This part fixes PR24762.
16497 (df_bb_refs_record): Added code to make the frame and arg
16498 pointers live in EH blocks.
16499 (df_refs_record): Added call to df_record_entry_block_defs.
16500 (df_record_entry_block_defs): New function.
16501 * df-core.c: Added comments to describe new artifical defs.
16502 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16503 (entry_block_defs): New field in struct df.
16504 (df_all_hard_regs): Deleted.
16505 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16506 * df-problems.c (df_ru_bb_local_compute_process_def):
16507 Added code to handle artifical defs in the entry to a function.
16508 (df_ru_bb_local_compute): Ditto.
16509 (df_rd_bb_local_compute_process_def): Ditto.
16510 (df_rd_bb_local_compute): Ditto.
16511 (df_lr_bb_local_compute): Ditto.
16512 (df_ur_bb_local_compute): Ditto.
16513 (df_urec_bb_local_compute): Ditto.
16514 (df_chain_create_bb): Ditto.
16515 (df_ur_local_finalize): Removed entry.
16516 (df_urec_init): Ditto.
16517 (df_urec_local_finalize): Ditto.
16518 (df_ri_bb_compute): Added detection of last use of pseudos.
16519 * Makefile.in (df-scan.o): Updated dependencies.
16520 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16521 * config/mips/mips.c (mips_set_live_on_entry): Added.
16522 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16524 * dce.c (marked_insn_p): Added code to handle artifical defs.
16526 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16528 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16530 (_mm_cvtsi128_si64): Likewise.
16531 (_mm_cvtsd_si64): Likewise.
16532 (_mm_cvttsd_si64): Likewise.
16533 (_mm_cvtsi64_sd): Likewise.
16534 (_mm_cvtsi64_si128): Likewise.
16535 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16536 (_mm_cvtsi64_m64): Likewise.
16537 (_m_to_int64): Likewise.
16538 (_mm_cvtm64_si64): Likewise.
16539 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16540 (_mm_cvttss_si64): Likewise.
16541 (_mm_cvtsi64_ss): Likewise.
16542 (_mm_cvtss_f32): Likewise.
16544 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16546 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16547 for pragma redefine_extname.
16549 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16552 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16553 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16554 -mno-minimal-toc to previous content.
16555 (bispecs): Remove goal.
16556 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16557 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16558 compatibility aliases on powerpc-*-*gnu*.
16559 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16560 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16561 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16562 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16563 (ldblspecs): New goal.
16564 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16565 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16567 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16568 L_sf_to_tf or L_df_to_tf is defined.
16570 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16571 Alan Modra <amodra@bigpond.net.au>
16574 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16575 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16576 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16577 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16578 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16579 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16580 (rs6000_override_options): Initialize rs6000_ieeequad.
16581 Initialize TFmode format to ibm_extended_format if not
16583 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16585 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16586 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16587 (function_arg_advance): IBM long double passed in two FPRs, not
16589 (function_arg): IBM long double passed in FPRs.
16590 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16591 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16592 Only multireg GPR aligned.
16593 (rs6000_init_libfuncs): Enable IBM long double functions if not
16595 (rs6000_generate_compare): Use IBM long double compare if not
16597 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16598 (TARGET_IEEEQUAD): Define.
16599 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16600 not TARGET_IEEEQUAD.
16601 * config/rs6000/rs6000.md: Enable TFmode patterns if
16603 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16604 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16605 and -mlong-double-128 are incompatible.
16606 * doc/invoke.texi (-mabi): Collect options together. Add
16607 ibmlongdouble and ieeelongdouble.
16609 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16611 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16613 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16614 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16615 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16616 * rtl.h (rtunion_def): Remove rt_ptr.
16618 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16619 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16620 * config/i386/winnt.c (i386_pe_mark_dllexport)
16621 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16623 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16625 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16627 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16631 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16632 pthread_key_delete. From John David Anglin. gthrw-ify
16633 pthread_getunique_np only if it it's not a macro. Delete
16635 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16636 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16637 __gthread_objc_condition_signal, __gthread_key_delete): Add
16638 "__attribute__ ((__unused__))" to unused arguments.
16639 (__gthread_recursive_mutex_init_function): Add missing return.
16640 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16641 gthr-posix95.h: Use macro-based approach for name redirection
16642 on targets missing weakref.
16644 2006-01-26 Zack Weinberg <zackw@panix.com>
16646 * genconditions.c (write_header): In generated code, #ifdef out
16647 all includes and fake declarations, except includes of bconfig.h
16648 and system.h, unless GCC_VERSION >= 3001. Do not include
16649 gensupport.h in any case.
16650 (write_conditions): Generate a definition of struct c_test. Add
16651 a comment to the generated #endif.
16652 (write_one_condition): Escape backslashes in string too.
16653 (write_writer): Generated code must escape backslashes and quote
16654 marks (but not newlines) in the strings it writes.
16655 * Makefile.in (build/gencondmd.o): Update dependencies.
16657 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16660 * Makefile.in (insn-automata.o): Add header file dependencies.
16661 * genautomata.c: Add includes.
16663 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16666 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16668 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16670 * configure.ac: Expect target tools paths to be passed from the toplevel
16671 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16673 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16675 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16678 * c.opt (Wpointer-sign): Init to -1.
16679 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16680 OPT_pedantic, to 0 otherwise.
16681 * doc/invoke.texi: Update.
16683 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16685 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16686 constants provided by 80387 instructions in the destination mode.
16688 2006-01-26 Richard Guenther <rguenther@suse.de>
16689 Andrew Pinski <pinskia@physics.uc.edu>
16692 partial PR tree-opt/17064
16693 * tree-ssa-structalias.c (intra_create_variable_infos):
16694 Create heap variables for incoming parameters if
16695 flag_argument_noalias > 1.
16696 (find_what_p_points_to): Look through default defs of
16699 2006-01-26 Jeff Law <law@redhat.com>
16702 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16703 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16704 within the VR_RANGE, use the VR_RANGE as the result, not the
16706 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16707 bounds for the type.
16709 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16711 * tree-ssa-alias.c (maybe_create_global_var): Change
16712 subvar walking to an assertion that we don't have subvar'd variables.
16714 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16717 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16718 Use a new variable, inner. PARM_DECLs are always non-weak.
16720 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16722 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16723 --disable-checking.
16725 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16727 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16729 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16731 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16732 (smax_insn, smin_insn, smax_0, smin_0): New.
16734 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16737 * config/cris/cris.c (cris_order_for_addsi3): New function.
16738 * config/cris/cris-protos.h: Prototype it.
16739 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16740 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16741 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16742 (split for "op.S1 [rx=rx+i],ry (swapped)")
16743 (split for "op(s|u).S1 [rx=rx+i],ry")
16744 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16745 Apply cris_order_for_addsi3 when generating addsi3 insns.
16747 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16749 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16750 (TREE_BLOCK): Add call to EXPR_CHECK.
16752 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16755 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16756 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16757 (dump_omp_clauses): ... here.
16758 (dump_generic_node): Handle OMP_CLAUSE.
16759 * tree.c (omp_clause_num_ops): New.
16760 (omp_clause_code_name): New.
16761 (tree_code_size): Handle OMP_CLAUSE.
16762 (tree_size): Likewise.
16763 (make_node): Document handling of OMP_CLAUSE.
16764 (tree_node_structure): Handle OMP_CLAUSE.
16765 (omp_clause_check_failed): New.
16766 (omp_clause_range_check_failed): New.
16767 (omp_clause_operand_check_failed): New.
16768 (build_omp_clause): New.
16769 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16770 * tree.h (enum omp_clause_code): Declare.
16771 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16772 (OMP_CLAUSE_RANGE_CHECK): Define.
16773 (OMP_CLAUSE_ELT_CHECK): Define.
16774 (omp_clause_check_failed): Declare.
16775 (omp_clause_operand_check_failed): Declare.
16776 (omp_clause_range_check_failed): Declare.
16777 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16778 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16779 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16780 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16781 (OMP_CLAUSE_IF_EXPR): Likewise.
16782 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16783 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16784 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16785 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16786 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16787 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16788 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16789 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16790 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16791 (OMP_CLAUSE_CODE): Define.
16792 (OMP_CLAUSE_SET_CODE): Define.
16793 (OMP_CLAUSE_CODE): Define.
16794 (OMP_CLAUSE_OPERAND): Define.
16795 (struct tree_omp_clause): Declare.
16796 (union tree_node): Add field 'omp_clause'.
16797 * treestruct.def (TS_OMP_CLAUSE): Define.
16798 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16799 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16800 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16801 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16802 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16803 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16804 (OMP_CLAUSE): Define.
16805 * print-tree.c (print_node): Handle OMP_CLAUSE.
16806 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16807 * c-typeck.c: Likewise.
16808 * gimplify.c: Likewise.
16809 * c-omp.c: Likewise.
16810 * tree-nested.c: Likewise.
16811 * tree-inline.c: Likewise.
16812 * c-parser.c: Likewise.
16813 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16816 2006-01-25 Roger Sayle <roger@eyesopen.com>
16818 PR rtl-optimization/25703
16819 * combine.c (try_combine): Handle zero_extract and strict_low_part
16820 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16822 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16824 * global.c: Fix comment typos.
16826 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16829 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16830 Use output_addr_const instead of assemble_name.
16832 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16834 * Makefile.in (sched-vis.o): Update dependencies.
16835 * haifa-sched.c (sched_finish): Clear current_sched_info.
16836 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16837 (dump_flow_info): Call it.
16838 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16840 * basic-block.h (dump_bb_info): Declare.
16841 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16842 option, and apply options only for dump files whose TDF_RTL,
16843 TDF_TREE, or TDF_IPA bits match.
16844 * rtl.h: Declare new functions exported from sched-vis.c.
16845 * sched-vis.c: Enable also if scheduling is not used.
16846 (print_value): Print the mode of registers if not inside scheduling.
16847 (print_insn): Make it work outside the scheduler. Beautify the output
16849 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16851 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16853 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16854 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16855 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16856 depending on the value of CONSTANT_POOL_ADDRESS_P.
16857 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16859 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16860 rather than SYMBOL_REF_DECL.
16861 (rtx_constant_pool): Remove const_rtx_sym_htab.
16862 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16863 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16864 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16865 Remove handling of const_rtx_sym_htab.
16866 (find_pool_constant): Delete.
16867 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16868 rather than find_pool_constant.
16869 (get_pool_constant_for_function): Delete.
16870 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16871 find_pool_constant.
16872 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16873 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16874 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16875 (SYMBOL_REF_CONSTANT): New macro.
16876 (get_pool_constant_for_function): Delete.
16877 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16878 rather than SYMBOL_REF_DECL.
16879 (i386_pe_mark_dllimport): Likewise.
16880 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16881 rather than SYMBOL_REF_DECL.
16882 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16883 (machopic_indirect_call_target): Likewise.
16885 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16887 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16889 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16891 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16893 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16895 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16897 2006-01-24 David Daney <ddaney@avtrex.com>
16900 * configure.ac (enable_tls): New enable option.
16901 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16902 * configure: Regenerate.
16903 * doc/install.texi (--enable-tls): Document new option.
16904 (--disable-tls): Ditto.
16906 2006-01-24 Richard Henderson <rth@redehat.com>
16908 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16909 * alias.c (true_dependence): Respect it.
16910 (canon_true_dependence, write_dependence_p): Likewise.
16911 * builtins.c (get_builtin_sync_mem): Set it.
16913 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16915 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16918 2006-01-24 DJ Delorie <dj@redhat.com>
16920 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16921 for storing constants in single-bit bitfields.
16923 2006-01-25 Ben Elliston <bje@au.ibm.com>
16925 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16927 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16930 * tree-ssa-pre.c (phi_translate): Return NULL
16931 for AGGREGATE_TYPE's.
16933 2006-01-24 Zack Weinberg <zackw@panix.com>
16935 * genautomata.c (process_state_for_insn_equiv_partition):
16936 Use xcalloc for insn_arcs_array.
16937 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16938 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16940 2006-01-24 Richard Henderson <rth@redhat.com>
16942 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16943 update all callers.
16945 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16947 PR rtl-optimization/25890
16948 PR rtl-optimization/25905
16949 * combine.c (expand_compound_operation, expand_field_assignment):
16950 Fail if the bitfield's final position is out of bounds.
16952 2006-01-24 Ian Lance Taylor <ian@airs.com>
16954 PR middle-end/25930
16955 * cgraphunit.c (cgraph_output_in_order): Don't clear
16956 cgraph_asm_nodes until after asm strings have been output.
16958 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16960 * fix-header.c (read_scan_file): Add new parameter imultilib when
16961 calling register_include_chains.
16963 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16965 * omp-low.c: Update documentation.
16967 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16968 Daniel Berlin <dberlin@dberlin.org>
16972 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16973 return from the function.
16975 2006-01-22 Zack Weinberg <zackw@panix.com>
16977 * rtl.def (match_code): Add second argument.
16978 * genpreds.c (write_extract_subexp): New function.
16979 (write_match_code): Add path argument. Use write_extract_subexp.
16980 (write_predicate_expr): Pass path to write_match_code.
16981 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16982 not perform a mode test.
16983 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16984 a subexpression does not constrain the top-level code set.
16985 * read-rtl.c (read_rtx_variadic): New function.
16986 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16987 * doc/md.texi: Document new notation.
16988 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16989 (cmpsi_operand): ... here, using new notation.
16991 2006-01-22 Zack Weinberg <zackw@panix.com>
16993 * varray.c: Remove GENERATOR_FILE #ifdefs.
16995 2006-01-22 Zack Weinberg <zackw@panix.com>
16997 * genautomata.c (output_reserved_units_table): Emit nothing if
16998 description->query_units_num is zero. Remove extra blank line.
16999 (output_cpu_unit_reservation_p): Short circuit
17000 if description->query_units_num is zero.
17002 2006-01-22 Zack Weinberg <zackw@panix.com>
17004 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17005 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17006 nor any of the random handful of variables that used to be necessary
17007 when this program was linked with rtlanal.o. Prune set of forward
17008 function declarations.
17009 (struct attr_desc): Remove static_p field.
17010 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17011 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17012 (attr_string): Do not read the character one past the length of
17014 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17015 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17016 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17017 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17018 (make_automaton_attrs): New.
17019 (main): Do not call into genautomata. Call local gen_bypass
17020 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17021 Remove special case for insn_alts.
17022 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17023 varray.h (leftover from previous change). Prune set of forward
17024 function declarations. Remove state_alts fields from all
17025 structures. Remove state_alts_table from struct automaton.
17026 Make everything except main static. Do not maintain num_dfa_decls.
17027 Do not maintain state_alts fields of various structures.
17028 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17029 (add_arc): Remove state_alts argument. All callers updated.
17030 (output_reserved_units_table): Emit #ifdef here...
17031 (output_tables): ...not here. Don't generate state_alts tables.
17032 (expand_automata): Don't generate attributes.
17033 (write_automata): Don't generate state_alts functions.
17034 (main): New function.
17035 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17036 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17037 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17038 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17039 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17040 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17041 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17042 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17044 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17045 * genattrtab.h: Delete file.
17046 * Makefile.in (OBJS-common): Add insn-automata.o.
17047 (insn-automata.o): New rule.
17048 (simple_generated_c): Add insn-automata.c.
17049 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17050 (genprogmd): Add automata.
17051 (build/genattrtab): Needs no extra objects nor libraries.
17052 (build/genautomata): Needs build/vec.o and -lm.
17054 2006-01-22 Zack Weinberg <zackw@panix.com>
17056 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17057 (output_dfa_max_issue_rate, locked_states_num): Delete.
17058 (struct automaton): Add locked_states field.
17059 (output_dead_lock_vect): Save number of locked states in
17060 automaton->locked_states. If it is zero, don't print anything.
17061 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17062 (output_internal_dead_lock_func): Only test the dead_lock_vect
17063 for automata that have locked states.
17064 (output_statistics): Always print the number of locked states for
17065 each automaton. Calculate total number of locked states here.
17066 (write_automata): Don't call output_dfa_max_issue_rate.
17067 * genattrtab.c: Define length_unit_log as a const variable.
17068 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17069 max_insn_queue_index const.
17070 * final.c (length_unit_log): Declare const.
17071 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17073 2006-01-22 Zack Weinberg <zackw@panix.com>
17075 * genautomata.c: Include vec.h, not varray.h.
17076 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17077 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17078 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17079 VEC_* macros operating on appropriately typed vectors, or to
17080 malloced arrays when the size is known in advance. Const-ify
17081 many char* variables and function arguments. No functional changes.
17082 * Makefile.in (build/varray.o): Delete rule.
17083 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17084 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17086 2006-01-22 Zack Weinberg <zackw@panix.com>
17088 * gensupport.c: Define get_insn_name and record_insn_name here.
17089 (read_md_rtx): Call record_insn_name as appropriate.
17090 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17091 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17092 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17094 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17095 (BUILD_VARRAY): Delete.
17096 (genprognormal): Rename genprogmd. Fold in all programs from
17097 genprognoprint; also attrtab.
17098 (build/genattrtab): Just mention genautomata.o and varray.o.
17099 Reorganize a bit, add comments to make the categories clearer.
17101 2006-01-22 Zack Weinberg <zackw@panix.com>
17103 * genconditions.c (condition_table, add_condition): Delete.
17104 (write_conditions): Don't emit n_insn_conditions nor
17105 insn_elision_unavailable. Issue the gcc version #ifdef here,
17106 inside the table, with no #else clause ...
17107 (write_header): ...not here.
17108 (write_writer): New function.
17109 (main): Don't initialize condition_table. Use add_c_test.
17111 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17112 files on the command line.
17113 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17114 Return -1 if there is no entry in the table, don't abort.
17115 (add_c_test, traverse_c_tests): New functions.
17116 * gensupport.h (insn_elision_unavailable, insn_conditions)
17117 (n_insn_conditions): Delete declarations.
17118 (add_c_test, traverse_c_tests): Declare.
17119 * read-rtl.c: Include gensupport.h.
17120 (read_conditions): New function.
17121 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17122 (read_rtx_1): If we get EOF when we were looking for an initial
17123 open paren, return 0. Call read_conditions when appropriate.
17124 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17125 dummy-conditions.o. Eliminate references to insn-conditions.o,
17126 or change them to build/gencondmd.o, as appropriate. Remove
17127 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17128 from $(simple_generated_c). For all files remaining in those
17129 two lists, add insn-conditions.md to the generator command line.
17130 Give insn-constants.h/s-constants their own rules. Add rules
17131 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17132 (build/read-rtl.o): Depend on gensupport.h.
17133 (genprognormal): Include preds.
17134 (genprogearly): Rename genprognoprint; only difference is now that
17135 they don't link with $(BUILD_PRINT).
17136 * dummy-conditions.c: Delete.
17138 2006-01-22 Zack Weinberg <zackw@panix.com>
17140 * genextract.c: Don't include insn-config.h. Do include vec.h.
17141 Declare vectors of int, char, and locstr.
17142 (locstr): New typedef.
17143 (struct extraction): Make all array fields into bare pointers.
17144 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17145 (insn_code_number): Delete.
17146 (accum_extract): New struct.
17147 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17148 (gen_insn): Take insn_code_number as an argument. Use an
17149 accum_extract structure instead of loading data directly into
17150 a struct extraction, and having to know how big it might get.
17151 (walk_rtx): Operate entirely on an accum_extract structure.
17152 (print_path): Avoid unnecessary use of printf.
17153 (print_header): New function, split out of main. Distinguish
17154 more carefully between an unrecognizable insn and an insn that
17155 has the code number of a define_expand.
17156 (main): Pass insn_code_number to gen_insn. Call print_header
17157 only after parsing. Avoid unnecessary use of printf.
17158 * Makefile.in (build/vec.o): New rule.
17159 (build/genextract): Depend on build/vec.o.
17160 (build/genextract.o): Don't depend on insn-config.h.
17162 2006-01-22 Zack Weinberg <zackw@panix.com>
17164 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17165 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17166 practical. Eliminate per-generator-program link rules.
17168 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17170 PR middle-end/24437
17171 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17172 with a call expr to ...
17173 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17175 2006-01-23 Richard Guenther <rguenther@suse.de>
17177 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17178 before make_edge with conditional EDGE_TRUE_VALUE.
17180 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17181 Jan Hubicka <jh@suse.cz>
17182 Richard Guenther <rguenther@suse.de>
17184 PR rtl-optimization/25654
17185 * cfgexpand.c (aggregate_contains_union_type): New function.
17186 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17187 for structure variables that contain a union type.
17189 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17191 * gengtype.c (new_structure): Return the structure.
17192 (create_option): Add an extra "next" argument.
17193 (create_field): New function.
17194 (adjust_field_rtx_def): Use create_option and create_field.
17195 Remove a now-unnecessary call to find_structure.
17196 (adjust_field_tree_def): Likewise.
17197 (note_yacc_type): Remove an unnecessary call to find_structure.
17198 * gengtype.h (new_structure): Return the structure.
17199 (create_option): Add an extra argument.
17200 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17201 (option): Adjust calls to create_option.
17203 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17205 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17207 2006-01-22 Paul Brook <paul@codesourcery.com>
17208 Peter Barada <peter@the-baradas.com>
17210 * config/m68k/m68k.md: Add Coldfire FPU support.
17211 Define FP mode macro and associated attributes.
17212 Use it for float mode patterns.
17213 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17214 (LIBCALL_VALUE): Use m68k_libcall_value.
17215 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17216 (m68k_function_value): Ditto.
17217 (emit_move_sequence): Ditto.
17218 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17219 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17220 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17221 (MULTILIB_EXCEPTIONS): Ditto.
17222 * config/m68k/m68k.opt: Add mcfv4e.
17223 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17224 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17225 (m68k_output_function_prologue): Save ColdFire FPU registers.
17226 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17227 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17228 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17229 ColdFire FPU registers.
17230 (m68k_libcall_value, m68k_function_value): New functions.
17231 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17232 (LIBCALL_VALUE): Use m68k_libcall_value.
17233 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17234 (MASK_COLDFIRE): Add MASK_CFV4E.
17235 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17236 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17237 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17238 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17239 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17240 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17241 * doc/invoke.tex: Document -mcfv4e on m68k.
17243 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17245 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17248 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17251 * c-opts.c (c_common_handle_option): Don't include
17252 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17253 * doc/invoke.texi (C++ Dialect Options): Document that
17254 -Wnon-virtual-dtor is no longer included in -Wall.
17256 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17258 * gcov.c (print_version), gcov-dump.c (print_version),
17259 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17262 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17264 * df-scan.c (problem_SCAN): Added NULL reset function.
17265 (df_scan_reset_blocks): Added code to call reset block function
17266 (df_bb_refs_delete) Fixed comment.
17267 (df_insn_refs_delete): Made tolerant of deleting non existent info
17268 for dataflow problems that need to be reset.
17269 * df-core.c (df_set_blocks): Ditto.
17270 * df.h (struct df_problem): Added reset_fun.
17271 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17272 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17273 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17274 functions to clear out all references to def-use or use-def chains.
17276 2006-01-21 Ben Elliston <bje@au.ibm.com>
17278 * varasm.c (assemble_real): Initialise data array.
17280 2006-01-20 Paul Brook <paul@codesourcery.com>
17282 Merge from csl-arm-branch.
17283 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17284 * config/arm/arm.md (movdi): Force operands[1] to a register
17285 if we have a non-register source.
17286 (*arm_movdi, *movdf_soft_insn): Require that one of the
17287 operands be a register.
17288 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17289 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17291 2006-01-20 DJ Delorie <dj@redhat.com>
17293 * varasm.c (initializer_constant_valid_p): Allow pointers
17294 initialized from integer constants of lesser precision.
17295 (output_constant): Allow non-int-sized pointer modes to be
17296 initialized from integer constants.
17298 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17301 * cppdefault.h (struct default_include): Add multilib flag.
17302 * cppdefault.c (cpp_include_defaults): Set it.
17303 * c.opt (-imultilib): New option.
17304 * c-opts.c (imultilib): New.
17305 (c_common_handle_option): Handle -imultilib.
17306 (c_common_post_options): Likewise.
17307 * c-incpath.c (add_standard_paths, register_include_chains):
17309 * c-incpath.h (register_include_chains): Add extra parameter.
17310 * gcc.c (do_spec_1): Generate -imultilib option.
17311 (The Specs Language): Update %I description.
17312 (process_command): Update copyright notice.
17313 * doc/cppopts.texi (-imultilib): Document.
17314 * doc/invoke.texi (-imultilib): Include in option summary.
17315 (%I): Update specs documentation.
17317 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17319 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17321 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17323 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17326 2006-01-20 Richard Guenther <rguenther@suse.de>
17327 Steven Bosscher <stevenb.gcc@gmail.com>
17329 PR rtl-optimization/24626
17330 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17331 EDGE_TRUE_VALUE if in RTL mode.
17334 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17335 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17337 2006-01-20 Dirk Mueller <dmueller@suse.com>
17340 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17341 instead of a special NOP marker.
17342 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17343 NOP marker handling.
17344 * c-common.h (empty_body_warning): Add forward declaration.
17345 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17346 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17348 2006-01-20 Paul Brook <paul@codesourcery.com>
17350 * Makefile.in (lang_checks): Keep going if mkdir fails.
17352 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17354 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17355 be able to clean out basic block when not necessary.
17356 (df_scan_free): Fixed to properly delete information if df is
17357 unused before calling df_finish.
17358 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17359 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17361 (df_bb_refs_delete): New function.
17362 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17363 * df-core.c (df_set_blocks): Added code to properly clean out
17364 unused blocks if they are not part of the blocks to consider.
17365 Added additional null check.
17366 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17367 be able to clean out basic block when not necessary
17368 * df.h (df_free_bb_function): Ditto.
17369 (df_bb_refs_delete): New function.
17370 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17371 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17372 basic block parameter to be able to clean out basic block when not
17374 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17375 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17376 Fixed to properly delete information if df is unused before
17379 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17381 PR rtl-optimization/25799
17382 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17383 Corrected confluence operator to remove bits from op2 before oring
17384 with op1 rather than removing bits from op1.
17385 (df_ru_transfer_function): Corrected test on wrong bitmap which
17386 caused infinite loop. Both of these problems were introduced in
17387 the dataflow rewrite.
17389 2006-01-19 DJ Delorie <dj@redhat.com>
17391 * reload1.c (find_reload_regs): Note the details of reload
17392 failures in the dump file.
17393 (spill_failure): Likewise.
17395 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17397 * loop-iv.c: Include df.h and hashtab.h.
17398 (enum iv_grd_result): New enum.
17399 (DF_REF_IV, DF_REF_IV_SET): New macros.
17400 (struct biv_entry): New.
17401 (df, bivs): New global variables.
17402 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17403 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17405 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17406 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17407 analyzed_for_bivness_p, record_biv): New functions.
17408 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17409 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17410 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17412 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17414 (iv_number_of_iterations): Use new interface to iv analysis.
17415 * loop-unroll.c: Do not include varray.h.
17416 (analyze_iv_to_split_insn): Use new interface to iv
17418 * loop-unswitch.c (may_unswitch_on): Ditto.
17419 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17421 (df_bb_modify): Realloc tables to the new index.
17422 (df_find_use): New function.
17423 * df.h (df_find_use): Declare.
17424 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17426 * cfgloop.h (struct rtx_iv): Remove analysed field.
17427 (iv_get_reaching_def): Removed.
17428 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17429 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17430 (loop-iv.o): Add df.h and hashtab.h dependency.
17431 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17433 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17436 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17438 (__floatundisf, __floatundidf): Likewise.
17439 * libgcc2.h (IS_IBM_EXTENDED): Define.
17441 2006-01-19 DJ Delorie <dj@redhat.com>
17443 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17445 2006-01-19 Paul Brook <paul@codesourcery.com>
17447 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17448 as nothrow when unwinding tables are disabled.
17450 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17453 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17454 of bit-field" when in system header.
17456 2006-01-19 DJ Delorie <dj@redhat.com>
17458 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17459 the 16 bit shift limit of the m16c.
17461 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17464 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17465 * config/i386/i386.c (output_set_got): Output the label if we have one
17466 for the TARGET_DEEP_BRANCH_PREDICTION case.
17468 2006-01-19 Jan Hubicka <jh@suse.cz>
17469 H.J. Lu <hongjiu.lu@intel.com>
17470 Evandro Menezes <evandro.menezes@amd.com>
17472 * invoke.texi (generic): Document
17474 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17475 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17476 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17477 (x86_use_incdec, x86_pad_returns): New variables
17478 (TARGET_CPU_DEFAULT_generic): New constant
17479 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17480 (enum processor_type): Add generic32 and generic64.
17481 * i386.md (cpu attribute): Add generic32/generic64
17482 (movhi splitter): Behave sanely when both partial_reg_dependency and
17483 partial_reg_stall are set.
17484 (K8 splitters): Enable for generic as well.
17485 * predicates.md (incdec_operand): Use TARGET_INCDEC
17486 (aligned_operand): Avoid memory mismatch stalls.
17487 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17488 * ppro.md: Enable for generic32
17489 * i386.c (generic64_cost, generic32_cost): New.
17490 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17491 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17492 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17493 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17494 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17495 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17496 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17497 x86_accumulate_outgoing_args, x86_prologue_using_move,
17498 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17499 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17500 Enable for generic.
17501 (x86_use_incdec, x86_pad_returns): New.
17502 (override_options): Add generic32 and generic64, translate "generic"
17503 to generic32/generic64 and "i686" to "generic32", refuse
17504 "generic32"/"generic64" as arch target.
17505 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17506 (ix86_reorg): Honor PAD_RETURNS.
17508 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17510 * tree-pretty-print.c (dump_generic_node): Handle
17511 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17512 * cgraph.c (cgraph_expand_queue): Rename from
17513 cgraph_analyze_queue. Update all users.
17514 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17515 cgraph_expand_queue.
17516 (cgraph_expand_all_functions): Likewise.
17517 (cgraph_finalize_pending_functions): Remove. Update callers.
17519 * tree.h (OMP_DIRECTIVE_P): Define.
17520 (OMP_PARALLEL_FN): Define.
17521 (OMP_PARALLEL_DATA_ARG): Define.
17522 (OMP_SECTIONS_SECTIONS): Define.
17523 * tree-pass.h (pass_expand_omp): Declare.
17524 * omp-low.c (struct omp_region): Declare.
17525 (struct omp_context): Remove fields 'parallel_type',
17526 'parallel_start_ix' and 'parallel_start_additional_args'.
17528 (struct omp_for_data): Rename from struct expand_omp_for_data.
17529 (omp_regions): New static variable.
17530 (root_omp_region): New static variable.
17531 (find_omp_clause): Make static.
17532 (is_in_combined_parallel_ctx): Remove.
17533 (is_combined_parallel): New.
17534 (extract_omp_for_data): Move earlier in the file.
17535 (workshare_safe_to_combine_p): New.
17536 (get_ws_args_for): New.
17537 (determine_parallel_type): Move earlier in the file.
17538 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17540 (omp_copy_decl): Likewise.
17541 (create_omp_child_function): Likewise.
17542 (lookup_omp_region): New.
17543 (dump_omp_region): New.
17544 (debug_omp_region): New.
17545 (debug_all_omp_regions): New.
17546 (new_omp_region): New.
17547 (scan_omp_parallel): If parallel_nesting_level > 1, the
17548 directive is nested within another parallel directive.
17549 Set OMP_PARALLEL_FN.
17550 (scan_omp_for): Do not try to handle combined parallel+for
17552 Remove FIXME comment.
17553 (scan_omp_nested): Remove.
17554 (scan_omp_1): Do not call scan_omp_nested when
17555 parallel_nesting_level is > 1.
17556 Do not change the DECL_CONTEXT of local variables found.
17557 (lookup_decl_in_outer_ctx): New.
17558 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17559 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17560 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17561 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17562 If CTX is nested, lookup VAR in the outer context when
17563 building copy assignment.
17564 (lower_send_clauses): Rename from expand_send_clauses.
17565 If CTX is nested, lookup VAR in the outer context when
17566 building copy assignments.
17567 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17568 If CTX is nested, lookup VAR in the outer context when
17569 building copy assignments.
17570 (expand_parallel_call): Rename from build_parallel_call.
17571 Handle combined parallel+workshare cases.
17572 Re-implement to emit code into the CFG.
17574 (expand_omp_parallel): Re-implement to emit code into the CFG.
17575 Call move_sese_region_to_fn to outline the sub-graph
17576 containing the parallel region.
17577 (expand_omp_for_1): Remove.
17578 (expand_omp_for_generic): Re-implement to emit code into the
17580 (expand_omp_for_static_nochunk): Likewise.
17581 (expand_omp_for_static_chunk): Likewise.
17582 (expand_omp_for): Likewise.
17583 (expand_omp_sections): Likewise.
17584 (remove_exit_barriers): New.
17585 (expand_omp_synch): New.
17587 (build_omp_regions_1): New.
17588 (build_omp_regions): New.
17589 (execute_expand_omp): New.
17590 (gate_expand_omp): New.
17591 (pass_expand_omp): Define.
17592 (lower_omp_sections): Rename from expand_omp_sections.
17593 Set OMP_SECTIONS_SECTIONS.
17594 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17595 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17596 (lower_omp_single): Rename from expand_omp_simple.
17597 (lower_omp_master): Rename from expand_omp_master.
17598 (lower_omp_ordered): Rename from expand_omp_ordered.
17599 (lower_omp_critical): Rename from expand_omp_critical.
17600 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17601 (lower_omp_for): Re-implement.
17602 (lower_omp_parallel): Re-implement.
17603 (lower_regimplify): Rename from expand_regimplify.
17604 (lower_omp_1): Rename from expand_omp_1.
17605 If there are syntax errors in the program, replace every
17606 OpenMP directive with NOP.
17607 Call lower_omp_* instead of expand_omp_*.
17608 (lower_omp): Rename from expand_omp.
17610 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17611 * tree-gimple.h (enum omp_parallel_type): Remove.
17612 (gimple_boolify): Declare extern.
17613 (find_omp_clause, determine_parallel_type): Remove.
17615 * gimple-low.c (lower_omp_directive): New.
17616 (lower_stmt): Call it.
17617 (record_vars_into): Move from ...
17618 (record_vars): ... here.
17619 Call record_vars_into with current_function_decl.
17621 * gimplify.c (struct gimplify_ctx): Remove fields
17622 combined_pre_p and combined_ctxp. Update users.
17623 (get_formal_tmp_var): Add documentation.
17624 (gimple_boolify): Make extern.
17625 (gimplify_expr_in_ctx): Remove. Update callers.
17626 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17627 will always be a BIND_EXPR.
17628 (gimplify_expr): Handle OMP_RETURN_EXPR.
17629 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17630 (OMP_PARALLEL): Add 3 operands.
17631 (OMP_SECTIONS): Add 1 operand.
17632 (OMP_RETURN_EXPR): Define.
17634 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17635 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17636 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17637 creating a circular free list.
17638 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17640 * tree-flow.h (move_sese_region_to_fn): Declare.
17641 (record_vars_into): Declare.
17642 * tree-cfg.c (make_omp_sections_edges): New.
17643 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17644 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17645 OMP_SECTIONS and OMP_SECTION.
17646 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17647 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17648 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17649 (gather_blocks_in_sese_region): New.
17650 (struct move_stmt_d): Declare.
17651 (move_stmt_r): New.
17652 (move_block_to_fn): New.
17653 (move_sese_region_to_fn): New.
17655 * passes.c (init_optimization_passes): Schedule
17656 pass_expand_omp after pass_init_datastructures.
17658 * tree-ssa-operands.c (get_expr_operands): Handle
17659 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17660 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17662 2006-01-19 Jeff Law <law@redhat.com>
17664 * tree-vrp.c (extract_range_from_assert): Refine the result range
17665 if the variable referenced by the ASSERT_EXPR has a range and
17666 either the tentative result range or the previous range is a
17669 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17671 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17673 2006-01-19 Jan Hubicka <jh@suse.cz>
17675 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17677 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17679 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17680 (expand_compound_operation, expand_field_assignment): Fail if the
17681 bit lengths of an extract operation are out of range.
17682 (make_extraction): Compute wanted_inner_mode based on the position
17683 and length of the extraction. Make it extraction_mode for non-constant
17684 positions, and do not modify offset in that case. When generating a
17685 new MEM, use a mode that can hold the extraction while keeping correct
17686 alignment. Remove code that supported MEMs wrapped by USEs.
17687 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17689 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17691 * config/s390/s390.md ("Y", "y"): New mode attribute.
17692 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17693 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17694 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17695 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17696 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17697 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17698 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17699 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17700 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17701 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17702 "addsi3", "subsi3"): Insn patterns removed.
17703 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17704 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17705 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17706 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17707 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17708 "*sub<mode>3_cconly2"): New insn patterns.
17709 ("addsi3", "subsi3"): New expanders.
17711 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17713 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17714 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17715 existing STMT_VINFO_VECTYPE if available.
17716 (vect_mark_relevant): Add special handling for stmts that are
17717 marked as STMT_VINFO_IN_PATTERN_P.
17718 (vect_analyze_loop): Call vect_pattern_recog.
17719 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17720 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17722 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17723 (vect_recog_func_ptr): New function-pointer type.
17724 * tree-vect-patterns.c: New file.
17725 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17726 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17727 (vect_pattern_recog_1): New functions.
17728 (vect_pattern_recog_funcs): New array of function pointers.
17730 * tree-vectorizer.h (ternary_op): New enum value.
17731 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17732 declaration. Revised documentation. Removed redundant dump prints.
17733 Removed redundant argument. Added support for reduction patterns.
17734 (vectorizable_reduction): Added support for reduction patterns.
17735 (vect_transform_stmt): Added support for patterns.
17737 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17738 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17739 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17740 (expand_widen_pattern_expr): New function.
17741 (init_optabs): Initialize new optabs udot_prod_optab,
17743 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17744 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17745 (expand_widen_pattern_expr): New function declaration.
17746 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17748 * tree-inline.c (estimate_num_insns_1): Added cases for new
17749 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17750 * tree-pretty-print.c (dump_generic_node): Likewise.
17751 (op_prio): Likewise.
17752 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17753 * tree-ssa-operands.c (get_expr_operands): Added case for
17755 * tree-vect-patterns.c (widened_name_p): New function.
17756 (vect_recog_dot_prod_pattern): Added function implementation.
17757 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17758 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17759 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17760 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17762 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17763 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17764 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17765 (init_optabs): Initialize new optabs widen_ssum_optab,
17767 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17768 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17769 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17770 use instead of type of def.
17771 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17772 function implementation.
17773 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17774 widen_ssumv8hi): New.
17776 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17779 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17782 * c-decl.c (add_flexible_array_elts_to_size): New function.
17783 (finish_decl): Use it.
17785 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17787 * diagnostic.h: Include options.h.
17788 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17789 dependancies for diagnostic.h.
17790 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17792 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17794 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17795 (ssa_ro_call_cache_valid): Ditto.
17796 * tree-ssa-alias.c (sort_tags_by_id): New function.
17797 (init_transitive_clobber_worklist): Ditto.
17798 (add_to_worklist): Ditto.
17799 (mark_aliases_call_clobbered): Ditto.
17800 (compute_tag_properties): Ditto.
17801 (set_initial_properties): Ditto.
17802 (compute_call_clobbered): Ditto.
17803 (compute_may_aliases): Call compute_call_clobbered and grouping.
17804 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17805 (compute_flow_insensitive_aliasing): Grouping now happens in our
17807 (setup_pointers_and_addressables): Remove clobbering related code.
17808 (add_may_alias): Ditto.
17809 (replace_may_alias): Ditto.
17810 (get_nmt_for): Ditto.
17811 (create_global_var):
17812 (is_escape_site): Return an escape_type enumeration.
17813 * tree-flow-inline.h (is_call_clobbered): Global var does not
17814 imply call clobbered.
17815 (mark_call_clobbered): Take a reason for marking this. Remove
17816 marking of globalness, and cache invalidation.
17817 (clear_call_clobbered): Remove cache invalidation code.
17818 * tree-dfa.c (dump_variable): If details is on, dump the reason
17820 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17822 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17823 (struct var_ann_d): Ditto.
17824 (enum escape_type): New.
17825 (mark_call_clobbered): Adjust prototype.
17826 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17827 are never call clobbered.
17828 Record reasons for escaping.
17829 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17830 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17831 (ssa_ro_call_cache_valid): Ditto.
17832 (clobbered_v_may_defs): Ditto.
17833 (clobbered_vuses): Ditto.
17834 (ro_call_vuses): Ditto.
17835 (clobber_stats): New.
17836 (init_ssa_operands): Zero out clobber stats.
17837 (fini_ssa_operands): Print out clobber stats.
17838 (get_call_expr_operands): Pass callee fndecl to
17839 add_call_read_ops).
17840 (add_call_clobber_ops): Remove use of cache.
17841 Add use of PURE_CONST information.
17842 (add_call_read_ops): Remove use of cache.
17843 Add use of static not_read information.
17845 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17847 Introduce TLS descriptors for i386 and x86_64.
17848 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17849 (TARGET_ANY_GNU_TLS): New macro.
17850 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17851 (struct machine_function): Add tls_descriptor_call_expanded_p.
17852 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17853 (ix86_current_function_calls_tls_descriptor): Likewise.
17854 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17855 (override_options): Introduce gnu2 tls dialect.
17856 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17858 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17860 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17861 (ix86_init_machine_status): Initialize new field.
17862 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17863 (ix86_tls_module_base): New.
17864 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17865 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17866 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17867 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17868 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17869 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17870 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17871 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17872 * config/i386/predicates.md (tls_modbase_operand): New.
17873 (tp_or_register_operand): New.
17875 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17877 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17878 (look_for_address_of): Ditto.
17879 (ipa_init): Walk the function decls.
17880 (static_execute): Don't set readonly on FUNCTION_DECL's.
17882 2006-01-18 Roger Sayle <roger@eyesopen.com>
17884 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17885 for shifts where the source and destination registers are different.
17887 2006-01-18 Paul Brook <paul@codesourcery.com>
17889 Merge from csl-arm-branch.
17890 2005-03-14 Julian Brown <julian@codesourcery.com>
17891 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17892 (aeabi_llsl): Likewise.
17893 (ashrdi3): Likewise.
17894 (aeabi_lasr): Likewise.
17895 (lshrdi3): Likewise.
17896 (aeabi_llsr): Likewise.
17897 2005-03-10 Julian Brown <julian@codesourcery.com>
17898 * config.gcc: Disable shared libgcc for SymbianOS.
17899 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17901 2006-01-18 DJ Delorie <dj@redhat.com>
17903 * c-pragma.c (handle_pragma_diagnostic): New.
17904 (init_pragma): Register it.
17905 * doc/extend.texi: Document it.
17907 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17908 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17909 (diagnostic_context): Add classify_diagnostic[].
17910 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17911 as errors if they're overridden to DK_WARNING.
17912 (diagnostic_initialize): Initialize classify_diagnostic[].
17913 (diagnostic_set_kind_override): New.
17914 (diagnostic_report_diagnostic): Check for kind changes.
17915 * opts.c (common_handle_option): Take lang_mask. Update callers.
17916 Handle OPT_Werror_.
17917 * common.opt (Werror=): New.
17918 * doc/invoke.texi: Document -Werror=*
17920 2006-01-18 Jeff Law <law@redhat.com>
17922 * tree-vrp.c (test_for_singularity): Correct test for new
17923 min limit. Use operand_equal_p rather than pointer equality
17924 for testing if new min/max values are equal.
17926 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17927 using range information until after propagation and folding.
17929 2006-01-18 Richard Henderson <rth@redhat.com>
17930 Aldy Hernandez <aldyh@redhat.com>
17931 Jakub Jelinek <jakub@redhat.com>
17932 Diego Novillo <dnovillo@redhat.com>
17934 * omp-low.c: New file.
17935 * c-omp.c: New file.
17937 2006-01-18 Richard Henderson <rth@redhat.com>
17938 Jakub Jelinek <jakub@redhat.com>
17939 Diego Novillo <dnovillo@redhat.com>
17941 * doc/invoke.texi: Document -fopenmp.
17942 * tree-dump.h (debug_function): Declare.
17943 * hooks.c (hook_bool_tree_bool_false): New function.
17944 (hook_tree_tree_null): Remove.
17945 (hook_tree_tree_tree_null): New.
17946 * hooks.h: Update to match.
17947 * tree-pretty-print.c (debug_tree_chain): New.
17948 (print_generic_expr): Handle TDF_CHAIN.
17949 (dump_generic_node): Handle BLOCK.
17950 Do not abort with incomplete SWITCH_EXPRs.
17951 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17952 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17953 print space after directive name.
17954 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17955 Handle OMP_MASTER and OMP_ORDERED.
17956 Handle printing of OMP_BODY just in one place, goto
17957 dump_omp_body in the rest of OMP_* nodes that have
17959 Don't handle clause nodes here. Update omp statements to
17960 use dump_omp_clauses.
17961 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17962 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17963 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17964 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17965 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17966 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17967 Adjust output for GOMP_PARALLEL.
17968 (dump_omp_clauses): New.
17969 (print_declaration): Dump DECL_VALUE_EXPR.
17970 (op_symbol_1): Split out of op_symbol.
17971 (dumping_stmts): Remove. Update all users.
17972 * cgraph.c (cgraph_analyze_queue): New.
17973 (cgraph_add_new_function): New.
17974 * cgraph.h (cgraph_analyze_queue): Declare.
17975 (cgraph_add_new_function): Declare.
17976 (cgraph_lower_function): Remove.
17977 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17978 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17979 and TYPE_P nodes in its default clause.
17980 (empty_body_p): New.
17981 (tree_range_check_failed): New.
17982 (build5_stat): New.
17983 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17984 OMP_CLAUSE_REDUCTION_MERGE,
17985 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17986 OMP_CLAUSE_PRIVATE_DEBUG,
17987 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17988 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17989 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17990 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17991 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17992 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17993 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17994 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17995 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17996 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17997 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17998 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17999 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18000 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18001 (TREE_RANGE_CHECK): New.
18002 (empty_body_p): Declare.
18003 (enum omp_clause_default_kind): New.
18004 (build_string_literal): Declare.
18005 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18006 (build5_stat, build5): Declare.
18007 * tree-pass.h (TDF_CHAIN): Define.
18008 * tree-pass.h (PROP_gimple_lomp): Define.
18009 (pass_lower_omp): Declare.
18010 * diagnostic.h (debug_tree_chain): Declare.
18011 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18013 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18014 * builtins.c (build_string_literal): Make extern.
18015 * gcc.c (include_spec_function): New.
18016 (static_spec_functions): Add it.
18017 (main): Move load of libgomp.spec ...
18018 (LINK_COMMAND_SPEC): ... here.
18019 (link_gomp_spec): New.
18020 (static_specs): Include it.
18021 (LINK_COMMAND_SPEC): Add link_gomp.
18022 (GOMP_SELF_SPECS): New.
18023 (driver_self_specs): Include it.
18024 (switch_matches): Don't mark inline.
18025 (main): Load libgomp.spec.
18026 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18027 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18028 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18029 * tree-gimple.h (enum omp_parallel): Declare.
18030 (determine_parallel_type): Declare.
18031 (omp_firstprivatize_variable): Declare.
18032 (omp_reduction_init): Declare.
18033 (diagnose_omp_structured_block_errors): Declare.
18034 (struct walk_stmt_info): Add want_return_expr.
18035 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18036 (find_omp_clause): Declare.
18037 (insert_field_into_struct): Declare.
18038 (struct walk_stmt_info): Move from tree-nested.c
18039 (walk_stmts): Declare.
18040 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18042 * cgraphunit.c (cgraph_lower_function): Make static.
18043 (cgraph_finalize_pending_functions): New.
18044 (cgraph_finalize_function): Call it.
18045 (cgraph_finalize_compilation_unit): Likewise.
18046 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18047 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18048 (BT_FN_UINT_UINT): New.
18049 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18050 DEF_FUNCTION_TYPE_VAR_4): Document.
18051 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18052 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18053 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18054 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18055 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18056 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18057 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18058 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18059 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18060 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18061 into separate files.
18062 (DEF_GOMP_BUILTIN): New.
18063 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18064 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18065 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18066 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18067 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18068 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18069 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18070 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18071 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18072 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18073 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18074 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18075 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18076 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18077 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18078 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18079 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18080 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18081 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18082 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18083 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18084 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18085 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18086 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18087 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18088 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18089 * sync-builtins.def: New file, moved from builtins.def.
18090 * omp-builtins.def: New file, moved from builtins.def.
18091 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18092 * gimple-low.c (lower_function_body): Clear data.
18093 (lower_stmt): Do not handle COMPOUND_EXPR.
18094 Remove call to print_node_brief.
18095 * c-tree.h (c_finish_omp_clauses): New prototype.
18096 (C_DECL_THREADPRIVATE_P): Define.
18097 (lookup_name_no_remap, c_omp_remap_private): Remove
18098 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18099 (check_for_loop_decls): Update decl.
18100 (lookup_name_no_remap, c_omp_remap_private): Declare.
18101 (build_indirect_ref, build_modify_expr, pushdecl,
18102 pushdecl_top_level): Move to c-common.h.
18103 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18104 before the switch, but just in the 2 places that need it.
18105 * c-decl.c (diagnose_mismatched_decls): Do not check for
18106 mismatched thread-local attributes when OLDDECL is marked
18107 threadprivate and NEWDECL has no thread-local attributes.
18108 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18109 (c_gimple_diagnostics_recursively): Rename from
18110 c_warn_unused_result_recursively. Invoke
18111 diagnose_omp_structured_block_errors.
18112 (check_for_loop_decls): Return a singular decl found.
18113 * langhooks.c (lhd_omp_predetermined_sharing): Return
18114 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18115 (lhd_omp_firstprivatize_type_sizes): New.
18116 (lhd_omp_assignment): New.
18117 (lhd_omp_predetermined_sharing): New.
18118 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18119 (struct lang_hooks_for_types): Add
18120 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18121 omp_predetermined_sharing, omp_disregard_value_expr,
18122 omp_private_debug_clause, omp_clause_default_ctor,
18123 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18124 (c_finish_omp_clauses): New.
18125 (c_finish_bc_stmt): Diagnose break within omp for.
18126 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18127 (build_unary_op): Return error_mark after reporting
18129 (build_modify_expr): Likewise.
18130 * gimplify.c: Include optabs.h and pointer-set.h.
18131 (enum gimplify_omp_var_data): Declare.
18132 (struct gimplify_omp_ctx): Declare.
18133 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18135 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18136 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18137 (splay_tree_compare_decl_uid): New.
18138 (new_omp_context): New.
18139 (delete_omp_context): New.
18140 (gimple_add_tmp_var): Call omp_add_variable.
18141 (gimplify_bind_expr): Likewise.
18142 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18143 true, disregard DECL_VALUE_EXPR on the decl if any.
18144 (gimplify_expr_in_ctx): New.
18145 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18146 omp_add_variable, omp_notice_variable, omp_is_private
18147 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18148 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18149 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18150 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18151 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18152 gimplify_omp_atomic): New.
18153 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18154 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18155 OMP_CRITICAL and OMP_ATOMIC.
18156 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18157 * c-pragma.h (enum pragma_kind): Add
18158 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18159 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18160 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18161 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18162 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18163 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18164 PRAGMA_OMP_THREADPRIVATE.
18165 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18166 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18167 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18168 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18169 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18170 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18171 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18172 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18173 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18174 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18175 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18176 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18177 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18179 (struct nesting_info): Add field_map,
18180 suppress_expansion, debug_var_chain.
18181 (create_nesting_tree): Initialize them.
18182 (lookup_field_for_decl): Use field_map.
18183 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18184 (convert_local_omp_clauses): New.
18185 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18186 (walk_body): Split out of walk_function.
18187 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18188 (convert_nonlocal_reference): Handle omp statements.
18189 (convert_local_reference): Likewise.
18190 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18191 (unnest_nesting_tree): New.
18192 (lower_nested_functions): Call it.
18193 (insert_field_into_struct): Make extern.
18194 (struct walk_stmt_info): Move to tree-gimple.h.
18195 (walk_stmts): Make extern.
18196 * omp-builtins.def: New file.
18197 * tree-iterator.c (expr_only): Clarify comment.
18198 * c-common.h (pushdecl_top_level, pushdecl,
18199 build_modify_expr, build_indirect_ref,
18200 c_finish_omp_master, c_finish_omp_critical,
18201 c_finish_omp_ordered, c_finish_omp_barrier,
18202 c_finish_omp_atomic, c_finish_omp_flush,
18203 c_finish_omp_for, c_split_parallel_clauses,
18204 omp_clause_default_kind, c_omp_sharing_predetermined,
18205 c_omp_remap_decl): Declare.
18206 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18207 (OBJS-common): Add omp-low.o.
18208 (c-omp.o, omp-low.o): Add.
18209 (gimplify.o): Add dependency on $(OPTABS_H).
18210 (GTFILES): Add omp-low.c.
18211 (gt-stringpool.h): Add.
18212 * tree-cfg.c (set_bb_for_stmt): Do not update the
18213 block-to-labels map if we are currently expanding to RTL.
18214 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18216 Handle IDENTIFIER_NODE.
18217 (tree_verify_flow_info): Do not ICE when emitting error
18218 messages about invalid labels.
18219 (dump_function_to_file): Reset CFUN before emitting the body
18221 (debug_function): New.
18222 * passes.c (init_optimization_passes): Schedule
18224 * langhooks-def.h (lhd_omp_predetermined_sharing,
18225 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18227 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18228 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18229 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18230 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18231 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18232 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18233 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18234 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18235 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18236 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18237 (LANG_HOOK_DECLS): Use them.
18239 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18240 Richard Henderson <rth@redhat.com>
18241 Jakub Jelinek <jakub@redhat.com>
18242 Diego Novillo <dnovillo@redhat.com>
18244 * c-parser.c (pragma_omp_clause): Define.
18245 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18246 (c_parser_compound_statement): Likewise.
18247 (c_parser_statement): Likewise.
18248 (c_parser_pragma): Handle omp pragmas.
18249 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18250 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18251 (c_parser_omp_clause_name, check_no_duplicate_clause,
18252 c_parser_omp_variable_list,
18253 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18254 c_parser_omp_clause_copyprivate,
18255 c_parser_omp_clause_default,
18256 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18257 c_parser_omp_clause_lastprivate,
18258 c_parser_omp_clause_nowait,
18259 c_parser_omp_clause_num_threads,
18260 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18261 c_parser_omp_clause_reduction,
18262 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18263 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18264 c_parser_omp_atomic, c_parser_omp_barrier,
18265 c_parser_omp_critical, c_parser_omp_flush,
18266 c_parser_omp_for_loop, c_parser_omp_for,
18267 c_parser_omp_master, c_parser_omp_ordered,
18268 c_parser_omp_sections_scope, c_parser_omp_sections,
18269 c_parser_omp_parallel, c_parser_omp_single,
18270 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18271 * c-pragma.c (init_pragma): Do omp pragma registration here.
18272 * c.opt (fopenmp): New flag.
18274 2006-01-18 Eric Christopher <echristo@apple.com>
18276 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18277 * config/darwin.h (GOMP_SELF_SPECS): Define.
18279 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18281 * rtl.h: Remove the prototype for reg_alloc.
18283 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18286 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18287 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18288 sjlj and dwarf2 exception handling.
18289 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18290 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18291 * pa/pa.c (function_value): Treat complex and vector types as
18293 (function_arg): Likewise. Only pass scalar floats in the floating
18294 point argument registers.
18295 * pa/t-slibgcc-dwarf-ver: New file.
18296 * pa/t-slibgcc-sjlj-ver: New file.
18297 * pa/t-slibgcc-elf-ver: Delete file.
18299 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18301 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18302 unlikely_test_section_p test.
18304 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18306 * mode-switching.c (optimize_mode_switching): Make it static.
18307 * basic-block.h: Remove the prototype for
18308 optimize_mode_switching.
18310 * modulo-sched.c (sms_schedule): Make it static.
18311 * rtl.h: Remove the prototype for sms_schedule.
18313 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18314 * rtl.h: Remove the prototype for gcse_after_reload_main.
18316 * reg-stack.c (reg_to_stack): Make it static.
18317 * rtl.h: Remove the prototype for reg_to_stack.
18319 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18321 * rtl.h: Remove the prototypes for regrename_optimize and
18322 copyprop_hardreg_forward.
18324 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18326 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18327 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18328 Test against the appropriate null constant for the mode.
18329 If 'fixup_overlap' is true, swap the operands if they overlap.
18330 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18331 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18332 alpha_split_tmode_pair and adjust for above change.
18333 * config/alpha/alpha.md (movtf_internal): Adjust call to
18334 alpha_split_tfmode_pair and rely on it to swap the operands.
18335 (movti_internal): New insn and post-reload splitter.
18336 (movti): New expander.
18338 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18340 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18343 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18345 * rtlanal.c (global_reg_mentioned_p_1,
18346 global_reg_mentioned_p): Remove.
18347 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18349 * flow.c (initialize_uninitialized_subregs): Make it static.
18350 * rtl.h: Remove the prototype for
18351 initialize_uninitialized_subregs.
18353 * function.c (instantiate_virtual_regs): Make it static.
18354 * function.h: Remove the prototype for
18355 instantiate_virtual_regs.
18357 * regmove.c (regmove_optimize, combine_stack_adjustments):
18359 * rtl.h: Remove the prototypes for regmove_optimize and
18360 combine_stack_adjustments.
18362 2006-01-17 Roger Sayle <roger@eyesopen.com>
18364 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18365 (size_cost): Encode costs in bytes so that a reg-reg addition is
18366 equivalent to COSTS_N_INSNS(1).
18367 (override_options): Use the size_cost.branch_cost as the default
18368 ix86_branch_cost when optimizing for size.
18370 2006-01-18 Ben Elliston <bje@au.ibm.com>
18372 * Makefile.in (D32PBIT_FUNCS): New.
18373 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18374 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18375 D64PBIT_FUNCS and D128PBIT_FUNCS.
18376 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18377 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18379 (decnumber_dep): Define.
18380 * doc/libgcc.texi (Decimal float library routines): New node.
18381 * config/dfp-bit.h, config/dfp-bit.c: New files.
18383 2006-01-18 Ben Elliston <bje@au.ibm.com>
18385 * expr.c (emit_move_change_mode): Always adjust addresses, not
18386 just during reload. Copy replacements only during reload.
18387 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18388 emit_move_via_integer.
18390 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18392 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18393 instead of $(srcdir) and ${srcdir}.
18395 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18398 PR middle-end/11135
18399 * arm.h (struct machine_function): Add pic_reg.
18400 * arm.c (arm_pic_register): Make unsigned.
18401 (arm_override_options): Only set arm_pic_register if
18402 TARGET_SINGLE_PIC_BASE.
18403 (use_return_insn): Only test for a pic register if it is fixed.
18404 (arm_compute_save_reg0_reg12_mask): Likewise.
18405 (thumb_compute_save_reg_mask): Likewise.
18406 (legitimate_pic_operand): Factor out some known invariants.
18407 (legitimize_pic_address): If we don't have a fixed pic register,
18408 then set up a pseudo in the function entry sequence. Handle the
18409 pic base being in a pseudo.
18410 (arm_load_pic_register): Handle the pic register being in a pseudo.
18411 (arm_expand_prologue): Only set up the pic register if it is fixed.
18412 (thumb_expand_prologue): Likewise.
18413 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18414 (pic_load_addr_based_insn): Likewise.
18415 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18418 2006-01-18 Ben Elliston <bje@au.ibm.com>
18420 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18421 decimal float modes for all floating point registers.
18423 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18424 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18426 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18429 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18430 even when the pointer is not NULL.
18432 2006-01-16 Ian Lance Taylor <ian@airs.com>
18434 * common.opt (ftoplevel-reorder): New option.
18435 * cgraph.c (cgraph_asm_nodes): New global variable.
18436 (cgraph_asm_last_node): New static variable.
18437 (cgraph_order): New global variable.
18438 (cgraph_create_node): Set new order field.
18439 (cgraph_varpool_node): Likewise.
18440 (decide_is_variable_needed): Return true if not
18441 flag_toplevel_reorder.
18442 (cgraph_add_asm_node): New function.
18443 * cgraph.h (struct cgraph_node): Add order field.
18444 (struct cgraph_varpool_node): Add order field.
18445 (struct cgraph_asm_node): Define.
18446 (cgraph_asm_nodes, cgraph_order): Declare.
18447 (cgraph_add_asm_node): Declare.
18448 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18450 (cgraph_varpool_assemble_pending_decls): Call it.
18451 (cgraph_output_pending_asms): New static function.
18452 (cgraph_finalize_compilation_unit): Call it.
18453 (struct cgraph_order_sort): Define.
18454 (cgraph_output_in_order): New static function.
18455 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18456 !flag_toplevel_reorder case.
18457 * c-parser.c: Include "cgraph.h".
18458 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18460 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18461 than -fno-unit-at-a-time.
18462 * doc/invoke.texi (Option Summary): Mention
18463 -fno-toplevel-reorder.
18464 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18465 -funit-at-a-time documentation.
18467 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18468 Kazu Hirata <kazu@codesourcery.com>
18470 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18472 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18474 * Makefile.in (FUNCTION_H): New. Use it instead of
18475 function.h throughout the file.
18476 * function.h: Include tree.h.
18478 2006-01-17 Ben Elliston <bje@au.ibm.com>
18480 * recog.c: Separate some functions with whitespace.
18482 2006-01-16 Richard Henderson <rth@redhat.com>
18484 Merge from gomp branch:
18485 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18486 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18487 and rename from struct inline_data. Rename callee* to dst*;
18488 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18489 transform_new_cfg, transform_return_to_modify, and
18490 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18492 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18493 (copy_decl_for_dup): Remove.
18494 * tree-inline.c (struct inline_data): Move to header.
18495 (insert_decl_map): Export.
18496 (remap_decl): Update for member name changes. Use copy_decl hook.
18497 Allow for replacement to be a non-decl. Remove dead code.
18498 (remap_type_1): Check for existing mapping.
18499 (remap_type): Export.
18500 (remap_decls): Update for member name changes.
18501 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18502 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18503 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18504 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18505 (tree_function_versioning, build_duplicate_type): Likewise.
18506 (copy_body_r): Likewise. Export.
18507 (copy_decl_for_dup): Split into ...
18508 (copy_decl_for_dup_finish, copy_decl_to_var,
18509 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18510 (replace_ref_tree, inlining_p): Remove.
18512 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18514 * ifcvt.c (if_convert): Make it static.
18515 * rtl.h: Remove the prototype for if_convert.
18517 * local-alloc.c (local_alloc): Make it static.
18518 * rtl.h: Remove the prototype for local_alloc.
18520 * loop.c (loop_optimize): Make it static.
18521 * cfgloop.h: Remove the prototype for loop_optimize.
18524 2006-01-16 DJ Delorie <dj@redhat.com>
18526 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18529 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18531 * pa.md: Disparage copies between general and floating-point registers
18532 in 32-bit move patterns.
18534 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18537 * Makefile.in (check-%): Depend on site.exp instead of
18538 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18541 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18543 * global.c (global_alloc): Make it static.
18544 * rtl.h: Remove the prototype for global_alloc.
18546 2006-01-16 Richard Guenther <rguenther@suse.de>
18548 * tree-ssa-alias.c (struct used_part): Add write_only field.
18549 (get_or_create_used_part_for): Initialize it to true.
18550 (create_overlap_variables_for): Don't create structure variables
18551 for structures that only are written to.
18552 (find_used_portions): Handle MODIFY_EXPR to track whether a
18553 structure is only written to.
18555 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18557 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18559 * basic-block.h: Remove the prototype for
18560 partition_hot_cold_basic_blocks.
18562 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18564 * cppspec.c (lang_specific_spec_functions): Remove.
18565 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18566 * gcc.h (lang_specific_spec_functions): Remove.
18567 * gccspec.c (lang_specific_spec_functions): Remove.
18569 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18571 * combine.c (record_value_for_reg): Invalidate registers
18573 (record_dead_and_set_regs_1): Likewise, by passing them to
18574 record_value_for_reg.
18575 (record_dead_and_set_regs): Invalidate stores made by a
18576 call. We do not combine across a call, but we still
18577 relied on equivalences.
18579 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18581 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18582 vrp_int_const_binop returning non-constant nodes.
18584 2006-01-16 Paul Brook <paul@codesourcery.com>
18586 * config/m68k/m68k.c (output_move_const_into_data_reg):
18587 Output correct mnemonic for mvz and mvs.
18589 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18591 * rtl-factoring.c: Add sequence abstraction algorithm.
18592 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18593 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18595 (block_has_preserve_label): New function.
18596 * common.opt: Register new pass.
18597 * Makefile.in: Ditto.
18599 * timevar.def: Ditto.
18600 * tree-pass.h: Ditto.
18601 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18602 * rtl.h (make_jump_insn_raw): Add forward decl.
18603 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18605 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18606 Roger Sayle <roger@eyesopen.com>
18608 * fold-const.c (fold_minmax): New static function.
18609 (fold_binary) <MIN_EXPR>: Call it.
18610 <MAX_EXPR>: Likewise.
18611 * stor-layout.c (place_field): Use DECL_SIZE consistently
18612 in the computation of the new record size.
18614 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18616 * cse.c (cse_condition_code_reg): Make it static.
18617 * rtl.h: Remove the prototype for cse_condition_code_reg.
18619 * combine.c (combine_instructions): Make it static.
18620 * rtl.h: Remove the prototype for combine_instructions.
18622 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18625 * tree.c (get_file_function_name_long): Concatenate the first global
18626 object name with a string derived from the input filename of the object
18629 2006-01-16 Ben Elliston <bje@au.ibm.com>
18631 * config/i386/winnt-stubs.c: Update FSF address.
18632 * config/xtensa/ieee754-df.S: Ditto.
18633 * config/xtensa/ieee754-sf.S: Ditto.
18635 2006-01-14 Ian Lance Taylor <ian@airs.com>
18637 * ifcvt.c (noce_init_if_info): New static function, broken out of
18638 noce_process_if_block.
18639 (noce_process_if_block): Call noce_init_if_info.
18640 (check_cond_move_block): New static function.
18641 (cond_move_process_if_block): New static function.
18642 (process_if_block): Call cond_move_process_if_block.
18644 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18646 * cselib.c (hash_table): Rename to cselib_hash_table.
18647 (cselib_clear_table, discard_useless_values,
18648 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18649 cselib_init, cselib_finish): Adjust uses of hash_table.
18651 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18653 PR tree-optimization/25485
18654 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18655 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18656 is known to be false and true, respectively.
18658 2006-01-14 Richard Guenther <rguenther@suse.de>
18660 PR tree-optimization/22548
18661 PR tree-optimization/22555
18662 PR tree-optimization/22501
18663 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18664 * params.def (salias-max-array-elements): New parameter.
18665 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18666 * doc/invoke.texi (salias-max-array-elements): Document.
18667 * tree-flow-inline.h (var_can_have_subvars): We also handle
18669 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18671 * tree-ssa-structalias.c (params.h): Include.
18672 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18673 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18674 (get_constraint_for): For ADDR_EXPR operating on something
18675 containing an ARRAY_REF, add all subvars to the solution.
18676 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18677 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18678 for creating MUST_DEFs.
18679 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18681 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18683 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18685 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18686 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18687 number_of_iterations_le): New functions.
18688 (number_of_iterations_special): Removed.
18689 (number_of_iterations_exit): Do not use number_of_iterations_special.
18690 * tree.c (unsigned_type_for): Always return integer type.
18692 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18693 Richard Guenther <rguenther@suse.de>
18695 PR rtl-optimization/24257
18696 * gcse.c (find_moveable_store): Only consider a store movable
18697 when the SET_SRC of the insn can be assigned to a register.
18699 2006-01-14 Ian Lance Taylor <ian@airs.com>
18701 * tree.c (tree_not_class_check_failed): New function.
18702 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18703 (tree_not_class_check_failed): Declare.
18705 2006-01-13 Ian Lance Taylor <ian@airs.com>
18707 * reload1.c (do_output_reload): Add assertion rejecting a
18710 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18712 * combine.c (struct reg_stat): Add new fields truncation_label and
18714 (record_value_for_reg): Reset truncated_to_mode.
18715 (record_truncated_value): New function.
18716 (check_promoted_subreg): Call it. Rename to check_conversions.
18717 (combine_instructions): Rename check_promoted_subreg to
18719 (reg_truncated_to_mode): New function.
18720 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18721 (gen_lowpart_or_truncate): New function.
18722 (force_to_mode): Use it instead of gen_lowpart.
18724 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18726 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18727 VAR is a tag, not its type tag.
18729 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18731 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18732 alternatives to match style of other entries.
18733 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18735 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18737 PR tree-optimization/25771
18738 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18741 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18744 * tree-inline.c (declare_return_variable): If the return variable
18745 was marked as a non gimple complex, set the return slot variable
18746 to be a non gimple comple variable.
18748 2006-01-13 Richard Guenther <rguenther@suse.de>
18750 * builtins.c (expand_builtin_sincos): New function.
18751 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18753 (expand_builtin): Expand sincos using expand_builtin_sincos.
18755 2006-01-12 DJ Delorie <dj@redhat.com>
18757 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18758 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18759 so that constant shifts can be split.
18760 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18761 (m32c_valid_pointer_mode): Make static.
18762 (shift_gen_func_for): New.
18763 (m32c_prepare_shift): Use it. Split large const shifts into
18765 * config/m32c/predicates.md (shiftcount_operand): Allow more
18767 (longshiftcount_operand): New.
18768 * doc/md.texi (Machine Constraints): Document In6.
18770 2006-01-13 Ben Elliston <bje@au.ibm.com>
18772 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18773 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18776 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18778 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18779 to try to avoid clobbering pieces of structures when we know
18780 something about the whole structure.
18781 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18783 2006-01-13 Ben Elliston <bje@au.ibm.com>
18785 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18786 return in memory, as this is no limitation is no longer present.
18788 2006-01-12 DJ Delorie <dj@redhat.com>
18790 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18791 mova with fb, and for fb+0 -> An.
18793 * config/m32c/mov.md (peephole2): Fix enabling logic.
18795 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18796 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18797 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18798 FINI_ARRAY_SECTION_ASM_OP): Define.
18800 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18802 (m32c_legitimize_reload_address): New logic to reload FB to An.
18803 (m32c_output_reg_push): Add newline.
18804 (m32c_output_reg_pop): Likewise.
18806 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18808 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18810 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18812 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18814 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18816 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18819 2006-01-11 Ben Elliston <bje@au.ibm.com>
18821 * rtlanal.c (find_reg_note): Assert insn is not null.
18823 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18825 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18828 2006-01-11 Jeff Law <law@redhat.com>
18830 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18832 (mark_threaded_blocks, register_jump_thread): New functions.
18833 (thread_through_all_blocks): Remove unwanted argument. No
18834 longer rely on e->aux to communicate thread target info.
18835 Call mark_threaded_blocks. Release the threaded_blocks
18836 bitmap and threaded_edges vector when complete.
18837 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18838 (threaded_blocks): Remove.
18839 (tree_ssa_dominator_optimize): Remove initialization and
18840 finalization of threaded_blocks. Simplify call to
18841 thread_through_all_blocks.
18842 (thread_across_edge): Call register_jump_thread rather than
18843 storing thread information into e->aux.
18844 (free_all_edge_infos): Simplify now that e->aux is no longer
18845 used to communicate with thread_through_all_blocks.
18846 * tree-flow.h (thread_through_all_blocks): Update prototype.
18847 (register_jump_thread): Prototype.
18849 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18851 * df-core.c (df_compact_blocks, df_bb_replace): Use
18852 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18854 2006-01-11 Richard Guenther <rguenther@suse.de>
18856 PR tree-optimization/25734
18857 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18858 stop propagation after successful propagation to the LHS.
18860 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18862 * basic-block.h (control_flow_graph): Change the type of
18863 x_basic_block_info to VEC(basic_block,gc) *.
18864 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18866 (SET_BASIC_BLOCK): New.
18867 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18868 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18869 * cfgbuild.c (find_basic_blocks): Likewise.
18870 * cfglayout.c (fixup_reorder_chain): Likewise.
18871 * cfgrtl.c (create_basic_block_structure,
18872 rtl_create_basic_block): Likewise.
18873 * ifcvt.c (find_if_case_1): Likewise.
18874 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18877 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18879 * Makefile.in: Removed rotted odf.c entry.
18881 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18884 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18885 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18886 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18887 output pattern modifier, not %e.
18888 * config/cris/cris.c (cris_op_str): Update comment about pattern
18890 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18891 before falling through into...
18892 <case 'E'>: Redefined from old 'e' case.
18894 2006-01-11 Jan Hubicka <jh@suse.cz>
18897 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18899 2006-01-11 Jan Hubicka <jh@suse.cz>
18901 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18902 * i386.c (x86_decompose_lea): Kill.
18903 (ix86_rtx_costs): Kill.
18905 2006-01-11 Jan Hubicka <jh@suse.cz>
18907 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18908 * cgraph.h (cgraph_node): Add inline_decl.
18909 (cgraph_insert_node_to_hashtable): Declare.
18910 (save_inline_function_body): Declare.
18911 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18913 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18914 (cgraph_function_versioning): Update call of tree_function_versioning.
18915 (save_inline_function_body): New function.
18916 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18917 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18918 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18919 (cgraph_default_inline_p): Likewise.
18920 (cgraph_decide_inlining_incrementally): Likewise.
18921 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18922 (copy_bb): Kill saving; do updating of clones.
18923 (copy_cfg_body): Kill saving.
18924 (initialize_inlined-parameters): Likewise.
18925 (expand_call_inline): Likewise.
18927 (tree_function_versioning): New parameter "update_clones".
18928 (inlining_p): Kill saving.
18929 * tree-inline.h (tree_function_versioning): Update prototype.
18930 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18933 2006-01-11 Ian Lance Taylor <ian@airs.com>
18935 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18936 Allow undoing set of machine mode.
18937 (do_SUBST): Use enums instead of is_int.
18938 (do_SUBST_MODE): New function.
18939 (SUBST_MODE): New macro.
18940 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18941 reg and trying to replace reg_regno_rtx with a new register.
18942 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18943 (simplify_set): Use SUBST_MODE.
18944 (distribute_notes): Remove code that tried to update reg notes
18945 for regno_reg_rtx changes.
18947 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18949 PR tree-optimization/23109
18950 PR tree-optimization/23948
18951 PR tree-optimization/24123
18953 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18954 * tree-cfg.c (single_noncomplex_succ): New.
18955 * tree-flow.h (single_noncomplex_succ): Declare it.
18956 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18957 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18958 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18959 insert_bb, register_division_in, insert_reciprocals,
18960 replace_reciprocal, free_bb): New.
18961 (execute_cse_reciprocals_1): Rewritten.
18962 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18963 Do not commit any edge insertion. Always compute dominators and
18964 create the allocation pool.
18965 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18966 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18967 * targhooks.c (default_min_divistions_for_recip_mul): New.
18968 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18969 * passes.c (init_optimization_passes): Run recip after tree loop
18971 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18973 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18974 Kenneth Zadeck <zadeck@naturalbridge.com>
18976 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18977 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18978 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18979 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18980 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18981 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18982 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18983 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18984 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18985 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18986 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18987 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18988 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18989 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18990 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18991 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18992 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18993 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18994 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18995 DF_SCAN_POST_ALLOC): New macros.
18996 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18997 df_free_bb_function, df_local_compute_function, df_init_function,
18998 df_dataflow_function, df_confluence_function_0,
18999 df_confluence_function_n, df_transfer_function,
19000 df_finalizer_function, df_free_function, df_dump_problem_function,
19001 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19002 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19003 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19004 df_urec_bb_info, ) New types.
19005 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19007 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19008 df_analyze_simple_change_some_blocks,
19009 df_analyze_simple_change_one_block, df_compact_blocks,
19010 df_bb_replace, df_bb_regno_last_use_find,
19011 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19012 df_insn_regno_def_p, df_find_def, df_find_use,
19013 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19014 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19015 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19016 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19017 debug_df_chain, df_get_dependent_problem, df_chain_create,
19018 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19019 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19020 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19021 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19022 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19023 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19024 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19025 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19026 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19027 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19028 df_reorganize_refs, df_set_state, df_hard_reg_init,
19029 df_read_modify_subreg_p) New public functions.
19030 * df-core.c: The core dataflow solver and glue routines for rtl
19032 (df_init, df_add_problem, df_set_blocks, df_finish,
19033 df_hybrid_search_forward, df_hybrid_search_backward,
19034 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19035 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19036 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19037 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19038 df_reg_defined, df_find_use, df_reg_used, df_dump,
19039 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19040 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19041 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19042 debug_df_useno, reset_df_after_reload): New functions.
19043 * df-scan.c: The scanning fuctions, once in df.c, completely
19044 rewritten so that they now fully model the functionality of
19045 register usage at the backend.
19046 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19047 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19048 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19049 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19050 df_get_artificial_defs, df_get_artificial_uses,
19051 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19052 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19053 df_refs_delete, df_reorganize_refs, df_set_state,
19054 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19055 df_def_record_1, df_defs_record, df_uses_record,
19056 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19057 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19058 df_record_exit_block_uses, df_hard_reg_init): New functions.
19060 * df-problems.c: Seven concrete dataflow problems that use the
19061 scanning in df-scan.c and are solved by the engine in df-core.c.
19062 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19063 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19064 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19065 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19066 df_ru_free_bb_info, df_ru_alloc,
19067 df_ru_bb_local_compute_process_def,
19068 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19069 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19070 df_ru_transfer_function, df_ru_free, df_ru_dump,
19071 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19072 df_rd_free_bb_info, df_rd_alloc,
19073 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19074 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19075 df_rd_transfer_function, df_rd_free, df_rd_dump,
19076 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19077 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19078 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19079 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19080 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19081 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19082 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19083 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19084 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19085 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19086 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19087 df_urec_mark_reg_use_for_earlyclobber,
19088 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19089 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19090 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19091 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19092 df_chain_create_bb_process_use, df_chain_create_bb,
19093 df_chain_finalize, df_chain_free, df_chains_dump,
19094 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19095 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19096 df_reg_lifetime): New functions.
19097 * df.c: Deleted file.
19098 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19099 consistent with new df api.
19100 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19101 rest_of_handle_sms): Ditto.
19102 * web.c (unionfind_union, union_defs, entry_register, web_main):
19104 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19105 invariant_expr_equal_p, find_defs, check_dependencies,
19106 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19107 free_inv_motion_data, move_loop_invariants): Ditto.
19108 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19109 Update dependencies.
19110 (odf.c): Added defective entry that was deleted later in day.
19111 * sched-deps.c (sched_analyze_1): Ditto.
19113 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19115 * tree-ssa-operands.c (get_expr_operands): Record addressable
19116 variables directly. Do not call add_stmt_operands for CONST_DECLs
19118 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19119 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19121 2006-01-11 Ben Elliston <bje@au.ibm.com>
19123 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19124 function returns true in the positive case.
19126 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19129 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19130 for SI, DI, SF and DF modes. Add alternatives to copy between
19131 general and floating point registers to the 32-bit patterns.
19132 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19133 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19134 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19135 generating 64-bit code.
19136 * config/pa/pa.c (output_move_double): Handle copies between general
19137 and floating registers.
19139 2006-01-10 Stuart Hastings <stuart@apple.com>
19141 * config/i386/i386.md (set_got): Update.
19142 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19143 (builtin_setjmp_receiver): Mach-O support.
19144 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19145 (GOT_SYMBOL_NAME): Define.
19146 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19147 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19148 * config/i386/i386.c (override_options): Revise for Darwin.
19149 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19150 support. (darwin_x86_file_end): New. (output_set_got): Add label
19151 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19152 * config/i386/i386-protos.h (output_set_got): Likewise.
19153 * config/darwin.c (machopic_legitimize_pic_address): Update
19156 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19158 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19159 when MODE isn't BLKmode.
19161 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19163 PR rtl-optimization/25367
19164 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19166 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19169 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19170 for a negative bound.
19172 2006-01-10 Richard Guenther <rguenther@suse.de>
19174 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19175 Never override with anything constraint.
19177 2006-01-10 Jan Beulich <jbeulich@novell.com>
19179 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19180 256 bits when optimize_size.
19182 2006-01-10 Jan Beulich <jbeulich@novell.com>
19184 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19186 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19187 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19190 2006-01-10 Ben Elliston <bje@au.ibm.com>
19192 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19194 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19195 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19196 (USE_FP_FOR_ARG): Reject decimal float modes.
19197 (function_arg_advance): Likewise.
19198 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19199 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19200 point types in AltiVec vectors.
19201 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19202 (rs6000_libcall_value): Likewise.
19204 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19206 * config/xtensa/ieee754-df.S: New file.
19207 * config/xtensa/ieee754-sf.S: New file.
19208 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19209 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19210 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19212 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19214 * config/sh/predicates.md (binary_float_operator,
19215 binary_logical_operator, commutative_float_operator,
19216 equality_comparison_operator, greater_comparison_operator,
19217 less_comparison_operator, logical_operator,
19218 noncommutative_float_operator, shift_operator,
19219 symbol_ref_operand, unary_float_operator): Remove redundant
19222 2006-01-09 Jeff Law <law@redhat.com>
19224 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19225 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19226 now unused arguments. Callers updated.
19227 (eliminate_redundant_computations): Remove now unused arguments,
19229 (local_fold): Remove, no longer used.
19230 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19232 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19233 (simplify_cond): New function.
19234 (forward_propagate_into_cond): Call simplify_cond.
19236 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19238 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19239 (*vec_extractv2di_1_sse): New.
19241 2006-01-09 Ben Elliston <bje@au.ibm.com>
19243 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19245 2006-01-08 Richard Guenther <rguenther@suse.de>
19247 * tree-ssa-structalias.c (get_constraint_for): Remove
19248 anyoffset argument.
19249 (get_constraint_for_component_ref): Likewise.
19250 (do_deref): Likewise.
19251 (get_constraint_for): Likewise.
19252 (do_structure_copy): Likewise.
19253 (handle_ptr_arith): Likewise.
19254 (find_func_aliases): Likewise. Remove unused need_anyoffset
19257 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19258 Kaz Kojima <kkojima@gcc.gnu.org>
19260 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19261 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19262 (EXTRA_CONSTRAINT_C16): Remove.
19263 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19264 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19265 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19266 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19267 constants of SHmedia. Handle nested constant expressions of
19269 (andcosts): Fix the costs for SHmedia constants.
19270 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19271 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19272 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19273 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19274 (movv4hi_i, movv2si_i): Likewise.
19275 (movsi_const): Adjust the second operand of ior so to match with
19276 the Csu constraint.
19277 (movdi_const, movdi_const_32bit): Likewise.
19278 (movdi_const_16bit+1): Don't sign-extend LOW.
19279 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19281 (*double_shori): Fix the split condition. Use GEN_INT instead
19282 of get_int_mode calls. Mask lower 16-bit of the argument of
19284 (sym2GOTPLT): Remove.
19285 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19287 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19288 instead of EXTRA_CONSTRAINT_C16.
19290 2006-01-07 Ian Lance Taylor <ian@airs.com>
19291 David Edelsohn <edelsohn@gnu.org>
19293 PR rtl-optimization/25662
19294 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19295 for constant operands instead of simplify_gen_binary.
19296 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19297 after trying simplify_binary_operation
19299 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19301 * tree.c (iterative_hash_expr): Hash decls based on UID.
19303 2006-01-06 Eric Christopher <echristo@apple.com>
19305 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19306 (TARGET_UNWIND_EMIT): Fix spelling.
19307 * target.h (gcc_target): Add except_table_label.
19308 * except.c (output_function_exception_table): Use.
19309 * varasm.c (default_emit_except_table_label): New.
19310 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19312 (asm_out): Add here.
19313 * output.h (default_emit_except_table_label): Prototype.
19314 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19315 * config/darwin.c (darwin_emit_except_table_label): Define.
19316 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19318 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19320 PR tree-optimization/18527
19321 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19322 number_of_iterations_special, number_of_iterations_exit):
19323 Move base and step of an iv to a single structure. Add
19324 no_overflow flag, and use it in # of iterations analysis.
19325 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19326 folded_casts argument.
19327 (simple_iv): Pass base and step in a structure. Set no_overflow
19329 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19330 Evaluate expensiveness of computing # of iterations instead of
19331 the final expression.
19332 * tree-scalar-evolution.h (affine_iv): New structure.
19333 (simple_iv): Declaration changed.
19334 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19335 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19336 find_givs_in_stmt): Changed due to simple_iv change.
19338 2006-01-06 Jeff Law <law@redhat.com>
19341 * tree-cfg.c (bsi_replace): Rename final argument from
19342 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19343 change (stmt -> orig_stmt).
19344 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19345 (bsi_remove): Add new argument. Remove EH information
19347 (verify_eh_throw_table_statements): New function.
19348 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19350 * tree-optimize.c (execute_free_cfg_annotations): Verify
19351 the EH throw statement table after removing annotations.
19352 * except.h (verify_eh_throw_table_statements): Prototype.
19353 * tree-flow.h (bsi_remove): Update prototype.
19354 * tree-vrp.c (remove_range_assertions): Add new argument to
19356 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19357 * tree-complex.c (expand_complex_div_wide): Likewise.
19358 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19359 * tree-tailcall.c (eliminate_tailcall): Likewise.
19360 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19361 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19362 * tree-nrv.c (tree_nrv): Likewise.
19363 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19364 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19365 (combine_blocks): Likewise.
19366 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19367 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19368 (cleanup_control_flow): Likewise.
19369 (remove_forwarder_block): Likewise.
19370 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19371 * tree-sra.c (sra_replace): Likewise.
19372 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19373 (forward_propagate_single_use_vars): Likewise.
19374 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19375 * tree-inline.c (expand_call_inline): Likewise.
19376 * tree-vect-transform.c (vect_transform_loop): Likewise.
19377 * tree-outof-ssa.c (rewrite_trees): Likewise.
19378 * tree-cfg.c (make_goto_expr_edges): Likewise.
19379 (cleanup_dead_labels): Likewise.
19380 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19381 (bsi_move_before, bsi_move_after): Likewise.
19382 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19383 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19385 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19388 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19390 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19391 on non gimple variables. Also add checks at the top for decls and
19393 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19395 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19396 and IMAGPART_EXPR for creating MUST_DEFs.
19397 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19398 and NAME_MEMORY_TAG separately from the DECLs.
19400 2006-01-06 Richard Guenther <rguenther@suse.de>
19402 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19403 annotation, if necessary.
19404 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19405 redundant calls to update_stmt.
19406 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19409 2006-01-05 Richard Henderson <rth@redhat.com>
19411 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19413 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19415 * c-typeck.c: Update copyright date.
19417 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19419 * c-typeck.c (build_c_cast): Always warn when casting
19420 from a pointer to an integer of different size, even if
19421 the node was constant.
19423 2006-01-05 Richard Guenther <rguenther@suse.de>
19425 PR tree-optimization/22555
19426 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19427 if one structure field is an array.
19428 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19429 operands even if we found a subvar, but ignore VOPs in this
19431 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19433 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19435 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19437 PR middle-end/24998
19438 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19440 2006-01-05 Richard Guenther <rguenther@suse.de>
19441 Diego Novillo <dnovillo@redhat.com>
19443 * tree-pass.h (TODO_remove_unused_locals): Define.
19444 * gimple-low.c (expand_var_p, remove_useless_vars,
19445 pass_remove_useless_vars): Remove. Update all users.
19446 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19447 (remove_unused_locals): New function.
19448 * tree-flow.h (remove_unused_locals): Declare.
19449 * passes.c (execute_todo): Call remove_unused_locals if
19450 TODO_remove_unused_locals is set.
19451 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19452 * tree-ssa-dce.c (pass_dce): Likewise.
19453 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19455 2006-01-05 Richard Guenther <rguenther@suse.de>
19457 * tree-flow.h (struct fieldoff): Decompose field to
19458 type, size and decl.
19459 * tree-ssa-alias.c (create_sft): Take type as parameter.
19460 (create_overlap_variables_for): Store type, size and decl
19461 in the fieldoff structure.
19462 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19463 of struct fieldoff.
19464 (push_fields_onto_fieldstack): Likewise.
19465 (create_variable_info_for): Likewise. Use offset for the
19466 SFT name if the decl is not available.
19468 2006-01-04 Paul Brook <paul@codesourcery.com>
19470 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19472 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19474 * lambda-code.c (can_put_in_inner_loop): Relax
19476 (can_put_after_inner_loop): New function.
19477 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19478 (perfect_nestify): Change to make copies and modify uses.
19480 2006-01-04 Richard Henderson <rth@redhat.com>
19482 Merge from gomp branch:
19483 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19484 via integer constant.
19485 (pragma_lex): Remove.
19486 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19487 rather than parsing it.
19488 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19489 handle_pragma_extern_prefix): Add %< %> quotes.
19490 (registered_pragmas): New.
19491 (c_register_pragma_1): New.
19492 (c_register_pragma): Use it.
19493 (c_register_pragma_with_expansion): Likewise.
19494 (c_invoke_pragma_handler): New.
19495 (init_pragma): Use cpp_register_deferred_pragma directly for
19497 * c-pragma.h (enum pragma_kind): New.
19498 (pragma_handler): New.
19499 (c_invoke_pragma_handler): Declare.
19500 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19502 * c-common.h (c_common_pch_pragma): Update decl.
19503 * Makefile.in (c-parser.o): Update dependencies.
19504 (GTFILES): Add c-pragma.h.
19505 * c-parser.c (struct c_token): Add pragma_kind.
19506 (struct c_parser): Add in_pragma.
19507 (c_lex_one_token): Always initialize keyword and pragma_kind.
19508 Extract data for CPP_PRAGMA.
19509 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19510 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19511 Don't allow CPP_PRAGMA_EOL if in_pragma.
19512 (c_parser_consume_pragma): New.
19513 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19514 (c_parser_skip_to_end_of_parameter): Likewise.
19515 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19516 (c_parser_skip_to_pragma_eol): New.
19517 (c_parser_external_declaration): Handle CPP_PRAGMA.
19518 (c_parser_compound_statement_nostart): Likewise.
19519 (c_parser_statement_after_labels): Likewise.
19520 (c_parser_pragma): New.
19521 (pragma_lex): Likewise.
19522 (c_parser_pragma_pch_preprocess): New.
19523 (c_parser_new): Merge into ...
19524 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19526 2006-01-04 Jeff Law <law@redhat.com>
19529 * tree-cfg.c (bsi_replace): Remove the original statement
19530 from the EH throw statement table.
19532 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19534 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19535 make the prototype extern "C" and add throw ().
19538 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19539 and pos non-negative and pos + len <= 32.
19540 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19541 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19542 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19545 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19546 as well as sizes not multiple of component size.
19549 * function.c (instantiate_expr): New function.
19550 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19551 walk its DECL_VALUE_EXPR with instantiate_expr.
19553 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19554 DW_OP_deref{,_size} if address isn't going to be added.
19556 2006-01-04 Ben Elliston <bje@au.ibm.com>
19558 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19559 * config/fp-bit.c: Likewise.
19561 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19563 * dominance.c: Add comment about why we use DFS numbering
19566 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19567 Richard Henderson <rth@redhat.com>
19569 Merge from gomp-branch:
19570 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19571 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19573 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19575 PR rtl-optimization/25578
19576 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19577 pass a parameter to simplify_shift_const if changing ASHIFTRT
19580 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19582 * builtins.c (get_builtin_sync_mem): New function.
19583 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19584 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19585 Call get_builtin_sync_mem to generate mem rtx.
19587 2006-01-03 Richard Guenther <rguenther@suse.de>
19590 * stmt.c (add_case_node): Make sure to clear overflow flags
19593 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19595 Merge from gomp-branch.
19596 * config/sparc/sync.md: New file.
19597 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19598 UNSPECV_LDSTUB): New constants.
19599 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19600 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19601 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19604 2006-01-03 Roger Sayle <roger@eyesopen.com>
19606 * combine.c (reg_subword_p): New predicate to test whether the
19607 destination of a set refers to a subword/piece of a register.
19608 (try_combine): Generalize the code to merge the setting of a
19609 pseudo to a constant followed by a set of a subword of that
19610 register to a constant.
19612 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19614 * basic-block.h (control_flow_graph): Change the type of
19615 x_label_to_block_map to VEC(basic_block,gc) *.
19616 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19617 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19619 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19620 VEC(basic_block,heap) *.
19621 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19622 ssa_prop_fini): Adjust the uses of cfg_blocks.
19624 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19626 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19628 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19629 hashing trees instead of a pointer hash.
19630 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19631 compare for MEM_EXPR.
19633 PR rtl-optimization/25130
19634 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19635 when comparing MEMs for GCSE
19637 2006-01-03 Ben Elliston <bje@au.ibm.com>
19639 * targhooks.h (default_decimal_float_supported_p): Declare.
19640 * targhooks.c (default_decimal_float_supported_p): Define.
19641 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19642 `default_decimal_float_supported_p'.
19643 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19645 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19647 * combine.c (apply_distributive_law <SUBREG>): Check
19648 TRULY_NOOP_TRUNCATION.
19650 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19652 * dwarf2out.c (have_switched_text_section): Delete.
19653 (have_multiple_function_sections): New.
19654 (have_location_lists): Make 'bool'.
19655 (add_AT_loc_list): Use 'true' not '1'.
19656 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19657 (output_loc_list): Use have_multiple_function_sections.
19658 (output_ranges): Likewise.
19659 (dwarf2out_begin_function): Set have_multiple_function_sections if
19661 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19662 Check function_section rather than DECL_SECTION_NAME.
19663 (dwarf2out_finish): Use have_multiple_function_sections.
19664 Don't clear have_location_lists.
19666 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19667 Jan Hubicka <jh@suse.cz>
19669 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19670 case of conditional jump jumping to the next instruction.
19671 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19672 cases of conditional jump jumping to the next instruction.
19674 2006-01-02 Jan Hubicka <jh@suse.cz>
19676 * i386.c (*_cost): Add COSTS_N_INSNS.
19677 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19679 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19682 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19684 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19686 * config/arm/arm.c (all_fpus): Fix comment typo.
19687 * config/darwin.c: Likewise.
19688 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19689 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19690 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19692 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19694 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19695 (rs6000_split_compare_and_swapqhi): New.
19696 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19697 (sync_compare_and_swapqhi_internal): New.
19698 * config/rs6000/rs6000-protos.h: Declare.