1 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
4 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6 standard 80387 constants, raise the cost to prevent
7 compress_float_constant() to generate load from memory.
9 * config/i386/i386.md: Add new splitter pattern to split
10 float_extended load of constant from constant pool into
13 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * doc/install.texi: Move GMP/MPFR configure options from Fortran
16 section to general section. Remove documentation for
17 --with-mpfr-dir and --with-gmp-dir, add documentation for
18 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
21 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
23 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
25 * testsuite/gcc.dg/ipa/ipa-6.c: New.
27 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
29 PR tree-optimization/29122
30 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
31 for the new version. Assign NULL to DECL_RTL of the new version.
33 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
35 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
37 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
39 * cse.c (cse_altered): Remove.
40 (record_jump_equiv): Make true/false argument a bool instead
42 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
43 where appropriate. Emit a new jump before the existing one
44 instead of after so that delete_insn_and_edges removes the
45 dead edges properly. Check any_condjump_p before calling
47 (cse_basic_block): Check any_condjump_p before calling
49 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
51 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
53 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
54 -ffixed-line-length-* options.
56 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
58 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
59 (fprem1xf4): Rename to fprem1xf4_i387.
61 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
62 Rename patterns to fmod<mode>3. Use general_operand operand
63 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
64 patterns for SSE math.
65 (remaindersf3, remainderdf3): Ditto.
67 2006-11-25 Joseph Myers <joseph@codesourcery.com>
69 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
70 inside start_sequence / end_sequence pair.
72 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
74 * jump.c (mark_all_labels): Work in cfglayout mode.
75 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
76 when in cfglayout mode, because there are no dead jumptables
78 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
80 (commit_edge_insertions): Do not allow insertion of instructions
81 with control flow insns when in cfglayout mode.
83 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
85 * tree-vrp.c (execute_vrp): Do not pass loops structure through
87 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
88 unswitch_loop): Ditto.
89 * tree-loop-linear.c (linear_transform_loops): Ditto.
90 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
92 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
93 free_numbers_of_iterations_estimates): Ditto.
94 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
95 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
96 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
97 remove_path, add_loop, loopify, unloop, fix_loop_placements,
98 place_new_loop, duplicate_loop, duplicate_subloops,
99 update_single_exit_for_duplicated_loops, copy_loops_to,
100 duplicate_loop_to_header_edge, create_preheaders,
101 force_single_succ_latches, loop_version, fix_loop_structure):
103 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
104 tree_unroll_loop): Ditto.
105 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
106 * tree-scalar-evolution.c (select_loops_exit_conditions,
107 scev_initialize, scev_analysis): Ditto.
108 * tree-scalar-evolution.h (scev_initialize): Ditto.
109 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
110 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
111 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
112 * modulo-sched.c (sms_schedule): Ditto.
113 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
114 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
115 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
116 * ifcvt.c (if_convert): Ditto.
117 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
118 canonicalize_loop_induction_variables,
119 canonicalize_induction_variables,
120 tree_unroll_loops_completely, remove_empty_loops): Ditto.
121 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
122 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
123 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
124 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
125 tree_ssa_loop_done): Ditto.
126 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
127 estimate_bb_frequencies): Ditto.
128 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
129 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
130 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
131 decide_unrolling_and_peeling, peel_loop_completely,
132 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
133 peel_loop_simple, unroll_loop_stupid): Ditto.
134 * loop-doloop.c (doloop_optimize_loops): Ditto.
135 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
136 * loop-invariant.c (move_loop_invariants): Ditto.
137 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
138 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
139 tree_ssa_prefetch_arrays): Ditto.
140 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
142 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
143 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
144 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
145 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
146 verify_loop_structure): Ditto.
147 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
148 canonicalize_induction_variables, tree_unroll_loops_completely,
149 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
150 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
151 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
152 tree_unroll_loop, linear_transform_loops): Declaration changed.
153 * basic-block.h: Remove declaration of struct loops.
154 * cfghooks.h (struct cfg_hooks): Change type of
155 cfg_hook_duplicate_loop_to_header_edge.
156 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
157 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
158 vect_transform_loop): Declaration changed.
159 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
160 * cfgloop.h (flow_loops_dump, fix_loop_structure,
161 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
162 cancel_loop_tree, create_preheaders, force_single_succ_latches,
163 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
164 loopify, loop_version, remove_path, unswitch_loops,
165 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
168 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
170 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
171 (X87MODEF): New mode macro.
172 (ssemodefsuffix): New mode attribute.
173 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
174 (sqrt_extend<mode>xf2_i387): New insn pattern.
175 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
176 insn and truncate result back to original mode using
177 UNSPEC_TRUNC_NOOP truncation.
178 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
179 ssemodefsuffix mode attribute.
180 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
181 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
182 (*sqrtextenddfxf2_i387): Remove insn patterns.
184 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
187 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
189 2006-11-24 Jakub Jelinek <jakub@redhat.com>
192 * c-tree.h (c_maybe_initialize_eh): New prototype.
193 * c-decl.c (finish_decl): Move EH initialization...
194 (c_maybe_initialize_eh): ... here. New function.
195 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
196 if not #pragma omp atomic.
199 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
200 or UNION_TYPE inner types.
202 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
205 * ipa-pure-const.c (check_tree): If the original tree
206 is volatile return early and say the function is not pure
207 nor const. Remove the volatile check for writes.
208 (analyze_function): Print out the result of the local
211 2006-11-24 Joseph Myers <joseph@codesourcery.com>
213 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
215 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
216 * config/rs6000/rs6000.c (rs6000_override_options): Use
217 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
220 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
222 * config/s390.c (s390_emit_compare_and_swap): New function.
223 (s390_expand_cs_hqi, s390_expand_atomic): Call
224 s390_emit_compare_and_swap.
226 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
228 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
230 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
234 * c-common.c (conversion_warning): New.
235 (convert_and_check): Call conversion_warning unless there is an
237 * doc/invoke.texi (-Wconversion): Update description.
239 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
241 * tree-ssa-alias.c (tree_pointer_compare): New function.
242 (compact_name_tags): New function.
243 (group_aliases): Call compact_name_tags.
245 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
247 * real.h (real_isinteger): Declare.
248 * real.c (real_isinteger): Define.
249 * builtins.c (integer_valued_real_p): Use it.
251 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
254 * c.opt (Wtraditional-conversion): New.
255 (Wconversion): Update description.
256 * c-typeck.c (convert_arguments): Warnings for prototypes causing
257 type conversions different from what would happen in the absence
258 of prototype are now handled by Wtraditional-conversion.
259 * doc/invoke.texi (Wtraditional-conversion): New.
260 (Wconversion): Update description.
261 * doc/trouble.texi (Wconversion): Replace Wconversion by
262 Wtraditional-conversion.
264 2006-11-23 Andrew Pinski <pinskia@gmail.com>
266 * predict.c (tree_estimate_probability): Check to make
267 sure current_loops is non null before calling flow_loops_dump.
269 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
271 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
273 2006-11-23 David Ung <davidu@mips.com>
275 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
277 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
278 (ASM_SPEC): Pass along -mfp32 and -mfp64.
279 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
280 high part of FP register when in 64-bit FP register mode. Similarly
281 use gen_mfhc1 to load high part of FP register.
282 (override_options): Allow -mgp32 and -mfp64 combination if
283 ISA_HAS_MXHC1 (currently for O32 only).
284 (mips_cannot_change_mode_class): If floating-point registers are
285 bigger than word size. disallow conversion of float register from a
286 large integer mode to a float mode smaller than the float register
288 (mips_class_max_nregs): Handle float registers case seperately.
289 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
291 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
292 (movdf_hardfloat_32bit): Similarly.
293 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
294 support a full 64-bit fpu.
295 (mthc1): New pattern to generate MTHC1 instruction.
296 (mfhc1): New pattern to generate MFHC1 instruction.
297 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
298 option for the MIPS32R2 and mention its use under O32 ABI.
300 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
302 * var-tracking.c (emit_note_insn_var_location): Take care not to
303 cause verify_flow_info failures.
305 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
307 * tree-ssa-structalias.c: Remove edge weights in favor of just
308 processing them as complex constraints.
309 (struct constraint_graph): Remove weighted succs and preds. Rename
310 nonweighted succs and preds.
311 (constraint_edge): Removed.
312 (constraint_edge_t): Ditto.
313 (constraint_edge_pool): Ditto.
314 (new_constraint_edge): Ditto.
315 (constraint_edge_equal): Ditto.
316 (constraint_edge_less): Ditto.
317 (constraint_edge_vec_find): Ditto.
318 (erase_self_graph_edge): Ditto.
319 (add_graph_edge): Removed.
320 (get_graph_weights): Ditto.
321 (allocate_graph_weights): Ditto.
322 (valid_weighted_graph_edge): Ditto
323 (bitmap_other_than_zero_bit_set): Ditto.
324 (int_add_graph_edge): Renamed to add_graph_edge.
325 (clear_edges_for_node): Remove support for weighted edges.
326 (merge_graph_nodes): Ditto.
327 (valid_graph_edge): Ditto.
328 (build_constraint_graph): Ditto.
330 (collapse_nodes): Ditto.
331 (process_unification_queue): Ditto.
333 (do_ds_constraint): Ditto.
334 (perform_var_subsitution): Ditto.
335 (solve_graph): Ditto.
336 (init_alias_vars): Ditto.
337 (delete_points_to_sets): Ditto.
338 (do_complex_constraint): Support offsetted copies here.
340 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
342 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
344 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
346 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
349 2006-11-23 Ben Elliston <bje@au.ibm.com>
351 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
353 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
355 PR tree-optimization/29921
356 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
357 signed and unsigned zero equal.
359 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
361 * config/rs6000/rs6000.c (get_store_dest): New.
362 (adjacent_mem_locations): Use get_store_dest() to get
363 the rtl of the store destination.
365 2006-11-22 Joseph Myers <joseph@codesourcery.com>
367 * config/rs6000/spe.md (SPE64): New mode macro.
368 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
370 (mov_si<mode>_e500_subreg0_2): New.
371 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
373 (mov_si<mode>_e500_subreg4_2): New.
374 * config/rs6000/predicates.md (input_operand): Do not allow
375 invalid E500 subregs.
376 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
378 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
379 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
380 involving vector modes if TARGET_SPE.
382 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
385 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
386 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
388 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
390 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
391 mem_i_address_operand): New predicates.
392 * config/bfin/bfin.c (bfin_issue_rate): New function.
393 (TARGET_SCHED_ISSUE_RATE): New macro.
394 * config/bfin/bfin.md (addrtype): New attribute.
395 (slot0, slot1, slot2, store, pregs): New cpu_units.
396 (core): Now a define_reservation.
397 (alu): Remove some insn types from this reservation.
398 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
400 (dummy reservation): Don't trigger for mcld insns.
401 (absence_sets): Two new absence sets to enforce slot ordering.
402 (popsi_insn): Set addrtype.
404 2006-11-22 Ira Rosen <irar@il.ibm.com>
406 * doc/c-tree.texi: Document new tree codes.
407 * doc/md.texi: Document new optabs.
408 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
410 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
411 * optabs.h (optab_index): Add new.
412 (vec_extract_even_optab, vec_extract_odd_optab,
413 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
414 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
415 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
417 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
418 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
419 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
420 along with macros for their access.
421 * tree-data-ref.h (first_location_in_loop, data_reference): Update
423 * tree-vect-analyze.c (toplev.h): Include.
424 (vect_determine_vectorization_factor): Fix indentation.
425 (vect_insert_into_interleaving_chain,
426 vect_update_interleaving_chain, vect_equal_offsets): New functions.
427 (vect_analyze_data_ref_dependence): Add argument for interleaving
428 check. Check for interleaving if it's true.
429 (vect_check_dependences): New function.
430 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
431 every ddr. Call vect_analyze_data_ref_dependence with new argument.
432 (vect_update_misalignment_for_peel): Update for interleaving.
433 (vect_verify_datarefs_alignment): Check only first data-ref for
435 (vect_enhance_data_refs_alignment): Update for interleaving. Check
436 only first data-ref for interleaving.
437 (vect_analyze_data_ref_access): Check interleaving, update
439 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
440 with different parameters.
441 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
442 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
443 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
444 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
445 Update step in case of interleaving.
446 (vect_strided_store_supported, vect_permute_store_chain): New
448 (vectorizable_store): Handle strided stores.
449 (vect_strided_load_supported, vect_permute_load_chain,
450 vect_transform_strided_load): New functions.
451 (vectorizable_load): Handle strided loads.
452 (vect_transform_stmt): Add argument. Handle strided stores. Check
453 that vectorized stmt exists for patterns.
454 (vect_gen_niters_for_prolog_loop): Update calculation for
456 (vect_transform_loop): Remove stmt_vec_info for strided stores after
457 whole chain vectorization.
458 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
459 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
460 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
461 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
462 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
464 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
466 * cse.c (enum taken): Remove PATH_AROUND.
467 (addr_affects_sp_p, invalidate_skipped_set,
468 invalidate_skipped_block): Remove.
469 (cse_end_of_basic_block): Remove skip_blocks and related code.
470 (cse_main): Don't test for flag_cse_skip_blocks.
471 Update cse_end_of_basic_block call.
472 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
473 code to lengthen the path if a jump was simplified.
475 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
477 PR rtl-optimization/29924
478 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
479 (unroll_loop_runtime_iterations): Assert that the argument passed to
480 split_edge_and_insert is not NULL.
481 * loop-doloop.c (add_test): Ditto.
483 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
485 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
487 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
488 * cfgloopmanip.c (update_single_exits_after_duplication,
489 update_single_exit_for_duplicated_loop, loop_version): Ditto.
490 * tree-scalar-evolution.c (get_loop_exit_condition,
491 get_exit_conditions_rec, loop_closed_phi_def,
492 number_of_iterations_in_loop, scev_const_prop): Ditto.
493 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
494 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
496 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
498 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
499 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
500 slpeel_make_loop_iterate_ntimes,
501 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
502 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
504 * tree-if-conv.c (if_convertible_loop_p): Ditto.
505 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
506 vect_analyze_loop_form): Ditto.
507 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
508 can_convert_to_perfect_nest, perfect_nestify): Ditto.
509 * tree-vect-transform.c (vect_create_epilog_for_reduction,
510 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
511 vect_transform_loop): Ditto.
512 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
513 (single_exit, set_single_exit): New functions.
514 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
515 (single_exit, set_single_exit): Declare.
516 * doc/loop.texi: Undocument single_exit field. Document single_exit
519 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
521 PR tree-optimization/29902
522 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
523 any involved ssa name appears in abnormal phi node.
525 2006-11-21 Bob Wilson <bob.wilson@acm.org>
527 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
528 (xtensa_const_ok_for_letter_p): Delete.
529 (xtensa_extra_constraint): Delete.
530 (override_options): Delete xtensa_char_to_class initialization.
531 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
532 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
533 (EXTRA_CONSTRAINT): Delete.
534 * config/xtensa/xtensa.md: Include constraints.md.
535 (call_internal): Combine alternatives.
536 (call_value_internal): Likewise, and remove invalid constraints.
537 * config/xtensa/constraints.md: New file.
538 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
539 (xtensa_extra_constraint): Delete.
540 * doc/md.texi (Machine Constraints): Refer to constraints.md for
543 2006-11-21 Janis Johnson <janis187@us.ibm.com>
545 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
546 of conversion that doesn't fit.
548 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
549 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
550 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
552 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
554 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
556 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
558 2006-11-21 Richard Guenther <rguenther@suse.de>
560 * tree-vectorizer.h (NUM_PATTERNS): Increase.
561 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
562 vect_recog_pow_pattern.
563 (vect_recog_pow_pattern): New function.
565 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
567 * config/bfin/bfin.opt (mstack-check-l1): New.
568 * doc/invoke.texi (Blackfin Options): Document it.
569 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
570 stack bounds in L1 memory if the new option is enabled.
571 (override_options): Don't allow combinations of -fstack-limit and
573 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
576 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
578 (bfin_register_move_cost): Bump costs if trying to move plain
579 integer values through accumulators.
581 2006-11-21 Ben Elliston <bje@au.ibm.com>
583 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
585 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
586 Russell Olsen <Russell_Olsen@playstation.sony.com>
587 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
588 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
589 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
590 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
591 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
593 * config.gcc: Add target for SPU.
594 * config/spu/constraints.md: New file.
595 * config/spu/crt0.c: New file.
596 * config/spu/crtend.c: New file.
597 * config/spu/crti.asm: New file.
598 * config/spu/crtn.asm: New file.
599 * config/spu/float_unsdidf.c: New file.
600 * config/spu/float_unssidf.c: New file.
601 * config/spu/predicates.md: New file.
602 * config/spu/spu-builtins.def: New file.
603 * config/spu/spu-builtins.h: New file.
604 * config/spu/spu-builtins.md: New file.
605 * config/spu/spu-c.c: New file.
606 * config/spu/spu-elf.h: New file.
607 * config/spu/spu-modes.def: New file.
608 * config/spu/spu-protos.h: New file.
609 * config/spu/spu.c: New file.
610 * config/spu/spu.h: New file.
611 * config/spu/spu.md: New file.
612 * config/spu/spu.opt: New file.
613 * config/spu/spu_internals.h: New file.
614 * config/spu/spu_intrinsics.h: New file.
615 * config/spu/spu_mfcio.h: New file.
616 * config/spu/t-spu-elf: New file.
617 * config/spu/vec_types.h: New file.
618 * config/spu/vmx2spu.h: New file.
619 * doc/contrib.texi: Document SPU contributor.
620 * doc/extend.texi: Document SPU extensions.
621 * doc/invoke.texi: Document SPU options.
622 * doc/md.texi: Document SPU constraints.
624 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
626 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
628 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
630 (flow_loop_dump): Do not dump loop level.
631 (flow_loops_find): Do not call flow_loops_level_compute.
632 * cfgloop.h (struct loop): Remove level field.
634 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
636 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
637 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
638 Use vector of edges instead of array.
639 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
640 estimate_numbers_of_iterations_loop): Ditto.
641 * predict.c (predict_loops): Ditto.
642 * loop-unroll.c (analyze_insns_in_loop): Ditto.
643 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
645 * basic-block.h: Declare heap allocation for edge vectors.
646 * tree-outof-ssa.c: Ditto.
647 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
648 * cfgloop.h (get_loop_exit_edges): Declaration changed.
650 2006-11-20 Zack Weinberg <zackw@panix.com>
652 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
653 Add another out parameter, "skip".
654 (set_gc_used_type): Adjust calls to process_gc_options. If a field
655 is tagged "skip", do not mark its type used.
657 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
660 * tree-sra.c (single_scalar_field_in_record_p): New function.
661 (decide_block_copy): Use it.
663 2006-11-20 David Daney <ddaney@avtrex.com>
665 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
666 PC to point to following instruction.
668 2006-11-20 Anatoly Sokolov <aesok@post.ru>
672 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
674 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
676 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
678 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
679 Add sh/superh.h to tm_file.
681 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
682 Mark Mitchell <mark@codesourcery.com>
684 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
686 (cpp_relocated): New function.
687 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
689 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
690 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
691 replace configured prefix with gcc_exec_prefix.
693 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
695 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
696 bfin_legitimate_constant_p.
697 * config/bfin/bfin.md (movsi expander): Check return value of
699 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
700 (expand_move): Adjust prototype.
701 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
702 invalid constants specially.
703 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
705 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
707 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
708 sibcall_value_symbol): Allow these patterns if
709 TARGET_LEAF_ID_SHARED_LIBRARY.
710 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
711 (override_options): Turn on id shared library flags if -msep-data,
712 but disallow the combination of these options on the command line.
713 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
714 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
715 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
717 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
718 * doc/invoke.texi (Blackfin Options): Document new switches.
720 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
721 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
723 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
724 inflate costs for addresses with an out-of-bounds address.
726 2006-11-19 Andrew Pinski <pinskia@gmail.com>
729 * fwprop.c (loops): Remove.
730 (forward_propagate_into): Use current_loops instead of
732 (fwprop_init): Call loop_optimizer_init instead of
734 (fwprop_done): Call loop_optimizer_finalize instead of
736 (fwprop): Use current_loops instead of loops.
738 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
741 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
743 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
746 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
747 larger than BITS_PER_WORD.
749 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
753 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
754 to MAX_FIXED_MODE_SIZE.
756 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
759 (fold_builtin_fmin_fmax): New.
760 (fold_builtin_1): Use it.
762 * fold-const.c (fold_strip_sign_ops): Handle copysign.
764 2006-11-18 Richard Guenther <rguenther@suse.de>
766 * config/i386/i386.c (ix86_builtins): New array for ix86
767 builtin function decls.
768 (def_builtin): New function.
769 (def_builtin_const): Likewise.
770 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
772 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
774 * doc/invoke.texi (core2): Add item.
776 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
778 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
779 (TARGET_CPU_DEFAULT_generic): Change value.
780 (TARGET_CPU_DEFAULT_NAMES): Add core2.
781 (processor_type): Add new constant PROCESSOR_CORE2.
783 * config/i386/i386.md (cpu): Add core2.
785 * config/i386/i386.c (core2_cost): New initialized variable.
786 (m_CORE2): New macro.
787 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
788 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
789 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
790 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
791 x86_partial_reg_dependency, x86_memory_mismatch_stall,
792 x86_accumulate_outgoing_args, x86_prologue_using_move,
793 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
794 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
795 x86_use_incdec, x86_four_jump_limit, x86_schedule,
796 x86_pad_returns): Add m_CORE2.
797 (override_options): Add entries for Core2.
798 (ix86_issue_rate): Add case for Core2.
800 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
802 * doc/invoke.texi: Fix mno-isel typo.
804 2006-11-18 Joseph Myers <joseph@codesourcery.com>
806 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
807 easy vector constant loads.
809 2006-11-18 Joseph Myers <joseph@codesourcery.com>
811 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
812 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
813 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
814 * config/rs6000/sync.md (lwsync): Emit plain sync if
817 2006-11-17 DJ Delorie <dj@redhat.com>
819 * reload1.c (reloads_unique_chain): New.
820 (reloads_conflict): Call it.
822 2006-11-17 Bob Wilson <bob.wilson@acm.org>
824 * config/xtensa/predicates.md (addsubx_operand): New.
825 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
826 (xtensa_emit_bit_branch): New.
827 (xtensa_emit_movcc): New.
828 * config/xtensa/xtensa.md (any_minmax): New code macro.
829 (minmax): New code attribute.
830 (any_cond, any_scc, any_scc_sf): New code macros.
831 (*addx2, *addx4, *addx8): Delete.
833 (*subx2, *subx4, *subx8): Delete.
835 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
836 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
837 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
838 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
839 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
840 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
841 (movsfcc_internal0, movsfcc_internal1): Likewise.
842 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
843 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
844 (xtensa_emit_bit_branch): New.
845 (xtensa_emit_movcc): New.
846 (function_arg_boundary): Add missing prototype.
848 2006-11-17 Bob Wilson <bob.wilson@acm.org>
850 * config/xtensa/xtensa.md (tstsi): Delete
852 2006-11-17 Bob Wilson <bob.wilson@acm.org>
854 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
856 2006-11-17 Bob Wilson <bob.wilson@acm.org>
858 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
860 2006-11-17 Bob Wilson <bob.wilson@acm.org>
862 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
864 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
866 * tree-vrp.c (execute_vrp): Do not update current_loops.
867 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
868 * doc/loop.texi: Remove documentation for cancelled functions.
869 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
870 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
872 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
873 (remove_path): Ensure that in delete_basic_blocks, the loops
875 (add_loop): Work on valid loop structures.
876 (loopify): Modify call of add_loop.
877 (mfb_update_loops): Removed.
878 (create_preheader): Do not update loops explicitly.
879 (force_single_succ_latches, loop_version): Do not use
880 loop_split_edge_with.
881 (loop_split_edge_with): Removed.
882 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
883 Do not use bsi_insert_on_edge_immediate_loop.
884 (split_loop_exit_edge, tree_unroll_loop): Do not use
885 loop_split_edge_with.
886 (bsi_insert_on_edge_immediate_loop): Removed.
887 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
888 use loop_split_edge_with.
889 * cfghooks.c: Include cfgloop.h.
890 (verify_flow_info): Verify that loop_father is filled iff current_loops
892 (redirect_edge_and_branch_force, split_block, delete_basic_block,
893 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
895 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
897 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
898 loop_split_edge_with.
899 (sms_schedule): Use current_loops.
900 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
901 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
903 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
904 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
905 * ifcvt.c (if_convert): Ditto.
906 * predict.c (predict_loops): Do not clear current_loops.
907 (tree_estimate_probability): Use current_loops.
908 (propagate_freq): Receive head of the region to propagate instead of
910 (estimate_loops_at_level): Do not use shared to_visit bitmap.
911 (estimate_loops): New function. Handle case current_loops == NULL.
912 (estimate_bb_frequencies): Do not allocate tovisit. Use
914 * tree-ssa-loop.c (current_loops): Removed.
915 (tree_loop_optimizer_init): Do not return loops.
916 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
917 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
918 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
919 Do not update loops explicitly.
920 * function.h (struct function): Add x_current_loops field.
921 (current_loops): New macro.
922 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
923 * loop-unroll.c (split_edge_and_insert): New function.
924 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
925 use loop_split_edge_with.
926 * loop-doloop.c (add_test, doloop_modify): Ditto.
927 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
928 * cfglayout.c (copy_bbs): Do not update loops explicitly.
929 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
930 * tree-vect-transform.c (vect_transform_loop): Do not update loops
932 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
933 (flow_loops_free): Do not free dfs_order and rc_order.
934 (flow_loops_find): Do not set dfs_order and rc_order in loops
935 structure. Do not call loops and flow info verification.
936 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
937 already belongs to some loop.
938 * cfgloop.h (struct loops): Remove struct cfg.
939 (current_loops, loop_split_edge_with): Declaration removed.
940 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
941 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
943 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
944 * basic-block.h (split_edge_and_insert): Declare.
945 * tree-cfg.c (remove_bb): Do not update loops explicitly.
947 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
949 PR tree-optimization/29801
950 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
951 (get_default_value): Use get_symbol_constant_value.
952 (set_lattice_value): ICE when the value of the constant is
954 (visit_assignment): Ignore VDEFs of read-only variables.
956 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
958 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
960 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
961 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
963 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
965 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
966 select subvars of var.
968 2006-11-17 Jakub Jelinek <jakub@redhat.com>
971 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
972 optimize if DEF doesn't have integral type.
974 2006-11-16 Mike Stump <mrs@apple.com>
976 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
977 pre-darwin9 system, unless the user asks for it directly.
978 (PREFERRED_DEBUGGING_TYPE): Likewise.
979 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
980 * config.gcc: Add suppport for darwin9.h.
981 * config/darwin9.h: Add.
982 * doc/install.texi (Specific): Clarify darwin documentation.
984 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
986 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
989 2006-11-16 Mike Stump <mrs@apple.com>
991 * Makefile.in (targhooks.o): Add $(OPTABS_H).
993 2006-11-16 Dirk Mueller <dmueller@suse.de>
995 * tree-vrp.c (get_value_range): Use XCNEW instead
997 (insert_range_assertions): Use XCNEWVEC instead
998 of XNEWVEC and memset.
999 (vrp_initialize): Same.
1000 (vrp_finalize): Same.
1001 * tree-ssa-ccp.c (ccp_initialize): Same.
1002 * predict.c (tree_bb_level_predictions): Same.
1003 * calls.c (expand_call): Same.
1004 * tree-ssa-copy.c (init_copy_prop): Same.
1005 (fini_copy_prop): Same.
1006 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1007 of GGC_NEW and memset.
1009 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1012 * gimplify.c (gimplify_expr): Only force a load for references to
1013 non-BLKmode volatile values.
1014 * doc/implement-c.texi (Qualifiers implementation): Document the
1015 interpretation of what a volatile access is.
1016 * doc/extend.texi (C++ Extensions): Rework same documentation.
1018 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1020 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1023 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1025 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1027 (arm_neg_abssi2): Renamed from neg_abssi2.
1028 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1030 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1032 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1033 number of arguments passed to local functions in SSE registers is 3.
1035 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1036 number of arguments passed in SSE registers to 3.
1038 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1041 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1043 (get_last_bb_insn): ... new global function.
1044 (basic_block.h): Declare it.
1045 * haifa-sched.c (create_recovery_block): Use it.
1047 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1050 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1052 2006-11-15 Paul Brook <paul@codesourcery.com>
1054 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1055 _Unwind_GetTextRelBase): Move from here ...
1056 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1057 _Unwind_GetTextRelBase): ... To here.
1059 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1061 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1062 addresses we generate for testing are aligned.
1064 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1067 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1068 to what is the const decl is a place holder for.
1070 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1072 * config/i386/i386.opt: New target option -mx87regparm.
1074 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1075 and float_in_x87 variables. mmx_words, sse_words: Remove.
1076 (X87_REGPARM_MAX): Define.
1078 * config/i386/i386.c (override_options): Error out for
1079 -mx87regparm but no 80387 support.
1080 (ix86_attribute_table): Add x87regparm.
1081 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1082 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1083 (ix86_function_x87regparm): New function.
1084 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1086 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1088 (function_arg_advance): Process x87_nregs and x87_regno when
1089 floating point argument is to be passed in 80387 register.
1090 (function_arg): Pass XFmode arguments in 80387 registers for local
1091 functions. Pass SFmode and DFmode arguments to local functions
1092 in 80387 registers when flag_unsafe_math_optimizations is set.
1094 * reg-stack.c (convert_regs_entry): Disable NaN load for
1095 stack registers that are used for argument passing.
1097 * doc/extend.texi: Document x87regparm function attribute.
1098 * doc/invoke.texi: Document -mx87regparm.
1100 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1102 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1103 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1104 arg MODE; all callers changed. Use it to determine validity per
1105 machine mode instead of using Pmode for all memory references.
1106 (get_address_cost): Likewise add and use new arg MEM_MODE.
1108 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1109 J"orn Rennecke <joern.rennecke@st.com>
1111 * combine.c (likely_spilled_retval_1): Fix masking operation.
1112 (likely_spilled_retval_p): Use proper pattern for call to
1113 likely_spilled_retval_1.
1115 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1117 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1119 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1120 that tests for CONSTANT_POOL_ADDRESS_P.
1122 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1124 PR tree-optimization/29581
1125 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1126 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1127 type is different between Y and USE, create a temporary
1128 variable, initialize it at the beginning of the body bb
1129 and use it as replacement instead of Y.
1131 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1134 * gimplify.c (fold_indirect_ref_rhs): Use
1135 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1137 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1139 * expmed.c (emit_store_flag_1): New function.
1140 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1142 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1143 Use do_compare_rtx_and_jump.
1144 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1145 * arm.md (cstoresi4): New define_expand.
1146 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1147 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1148 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1150 2006-11-14 Caroline Tice <ctice@apple.com>
1152 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1153 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1155 (pubname_table): Redefine as a vector.
1156 (pubtype_table): New static global variable, defined as a vector.
1157 (pubname_table_allocated): Remove static global variable.
1158 (pubname_table_in_use): Remove static global variable.
1159 (PUBNAME_TABLE_INCREMENT): Remove constant.
1160 (size_of_pubnames): Add parameter to deal with either pubnames or
1161 pubtypes, and change code to deal with table being a vector.
1162 (add_pubname): Change to deal with table being a vector.
1163 (add_pubtype): New function.
1164 (output_pubnames): Add parameter to deal with either pubnames or
1165 pubtypes, and change code to deal with table being a vector.
1166 (gen_array_type_die): Add call to add_pubtype.
1167 (gen_enumeration_type_die): Add call to add_pubtype.
1168 (gen_struct_or_union_type_die): Add call to add_pubtype.
1169 (gen_subroutine_type_die): Add call to add_pubtype.
1170 (gen_typedef_die): Add call to add_pubtype.
1171 (dwarf2out_init): Add code to initialize pubname_table and
1172 pubtype_table vectors; also initialize debug_pubtypes_section.
1173 (prune_unused_types): Change to deal with pubnames being a vector.
1174 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1175 pubnames table to call to output_pubnames; Add code to output pubtypes
1176 table if DEBUG_PUBTYPES_SECTION is defined.
1177 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1179 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1181 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1183 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1184 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1185 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1186 movv2si_internal): Support moves between core registers.
1188 2006-11-14 Eric Christopher <echristo@apple.com>
1190 * configure: Regenerate with autoconf 2.59.
1192 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1194 Fix PR tree-optimization/27755
1196 * tree-ssa-pre.c: Update comments.
1197 (bb_bitmap_sets): Add pa_in and deferred member.
1198 (BB_DEFERRED): New macro.
1199 (maximal_set): New variable.
1200 (pre_stats): Add pa_insert member.
1201 (bitmap_set_and): Short circuit orig == dest.
1202 (bitmap_set_subtract_values): New function.
1203 (bitmap_set_contains_expr): Ditto.
1204 (translate_vuses_through_block): Add phiblock argument.
1205 (dependent_clean): New function.
1206 (compute_antic_aux): Update for maximal_set changes.
1207 (compute_partial_antic_aux): New function.
1208 (compute_antic): Handle partial anticipation.
1209 (do_partial_partial_insertion): New function.
1210 (insert_aux): Handle partial anticipation.
1211 (add_to_sets): Add to maximal set.
1212 (compute_avail): Ditto.
1213 (init_pre): Initialize maximal_set.
1214 (execute_pre): Do partial anticipation if -O3+.
1216 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1218 PR rtl-optimization/29798
1220 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1221 TARGET_INSN before any other check.
1222 (fwprop_init): Always calculate dominators.
1223 (fwprop_done): Always free them.
1225 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1227 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1230 2006-11-13 DJ Delorie <dj@redhat.com>
1232 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1233 temporary for intermediates.
1235 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1237 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1238 (sh_optimize_target_register_callee_saved): #if 0 the code
1239 using NOTE_INSN_LOOP_{BEG,END}.
1241 2006-11-13 Roger Sayle <roger@eyesopen.com>
1243 * fold-const.c (optimize_bit_field_compare): Recursively call
1244 fold when simplifying non-constant comparisons between bit-fields.
1246 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1248 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1250 * configure: Rebuilt.
1252 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1254 * config/rs6000/cell.md: New file.
1255 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1257 (ppccell_cost): New cost matrix.
1258 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1259 (rs6000_override_options): Set rs6000_always_hint to false
1260 for cell. Also align functions/lables/loops to 8byte
1261 for the Cell. Use PROCESSOR_CELL.
1262 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1263 using_mtcr_multiple.
1264 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1265 on the Cell, return 0.
1266 (rs6000_adjust_cost): Add Cell cost adjustments.
1267 (is_microcoded_insn): Return true for Cell microcoded
1269 (is_nonpipeline_insn): New function.
1270 (rs6000_issue_rate): Add PROCESSOR_CELL.
1271 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1273 (rs6000_use_sched_lookahead_guard): New function.
1274 (rs6000_sched_reorder): Reorder the ready list, if the second
1275 to last ready insn is a nonepipeline insn on the Cell.
1276 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1277 (ASM_CPU_SPEC): Add Cell.
1278 * config/rs6000/rs6000.md (cpu): Add Cell.
1279 (cell_micro): New Attr.
1282 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1284 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1286 * configure: Rebuilt.
1288 2006-11-13 Richard Guenther <rguenther@suse.de>
1290 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1292 (ix86_expand_lfloorceil): Likewise.
1293 (ix86_expand_rint): Likewise.
1294 (ix86_expand_floorceildf_32): Likewise.
1295 (ix86_expand_floorceil): Likewise.
1296 (ix86_expand_rounddf_32): Likewise.
1297 (ix86_expand_truncdf_32): Likewise.
1298 (ix86_expand_round): Likewise.
1300 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1301 Mark Mitchell <mark@codesourcery.com>
1303 * gcc.c: Organize search path variables into $prefix relative,
1304 and well-known native. Add comments.
1305 (add_sysrooted_prefix): Add comment.
1306 (process_command): If !gcc_exec_prefix add $prefix based paths.
1307 If *cross_compile == '0', add native well-known paths.
1308 Assert tooldir_base_prefix is always relative.
1309 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1310 use this value for 'install:' path.
1311 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1313 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1315 * config/i386/i386.c: Fix a typo in comment.
1317 2006-11-13 Michael Matz <matz@suse.de>
1319 * genemit.c (gen_expand): Allocate enough memory.
1321 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1323 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1324 __GXX_TYPEINFO_EQUALITY_INLINE but not
1325 __GXX_MERGED_TYPEINFO_NAMES.
1326 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1327 __GXX_MERGED_TYPEINFO_NAMES.
1328 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1329 __GXX_TYPEINFO_EQUALITY_INLINE.
1331 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1332 Zdenek Dvorak <dvorakz@suse.cz>
1334 PR tree-optimization/29680
1335 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1338 2006-11-12 Jason Merrill <jason@redhat.com>
1339 Andrew Pinski <pinskia@physics.uc.edu>
1342 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1344 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1346 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1347 * tree.c (build_vector): Handle non-_CST elements.
1349 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1351 * genemit.c (gen_insn): Call gen_exp with a non-null used
1352 when handling multiple insns.
1353 (gen_expand): Likewise.
1354 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1355 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1356 (movsi_const_16bit+1): Copy operands[1].
1357 (call_pcrel): Copy the call_site pattern.
1358 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1360 2006-11-12 Roger Sayle <roger@eyesopen.com>
1362 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1363 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1364 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1365 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1367 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1369 Fix PR tree-optimization/29587
1370 * tree-ssa-structalias.c (process_constraint): Don't
1371 mark address taken due only to escaped vars constraint.
1373 2006-11-12 Michael Matz <matz@suse.de>
1374 Roger Sayle <roger@eyesopen.com>
1376 PR rtl-optimization/29797
1377 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1378 BITS_BIG_ENDIAN targets.
1380 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1382 * builtins.c (fold_builtin_cosh): New.
1383 (fold_builtin_1): Use it.
1384 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1385 trunc to the list of "odd" functions. Also add llrint, lrint,
1386 rint and nearbyint when flag_rounding_math is false.
1388 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1390 * tree-flow.h (name_mappings_registered_p): Declare.
1391 * tree-into-ssa.c (name_mappings_registered_p): New function.
1392 * tree-cfg.c (tree_can_merge_blocks_p): Check
1393 name_mappings_registered_p instead of need_ssa_update_p.
1395 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1397 * tree-ssa-loop.c (tree_vectorize): Return the result of
1399 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1400 if anything changed.
1401 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1402 * tree-flow.h (vectorize_loops): Declaration changed.
1404 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1406 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1408 (issue_prefetch_ref): Move assignment to write_p out of loop.
1409 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1410 SIMULTANEOUS_PREFETCHES into account.
1411 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1412 * lambda-code.c (lcm): Renamed to ...
1413 (least_common_multiple): ... and exported.
1414 * tree-flow.h (least_common_multiple): Declare.
1416 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1418 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1419 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1420 ud-chains. Handle AND_EXPR.
1421 (record_estimate): Record whether the estimate is realistic
1422 and whether it is derived from a loop exit.
1423 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1424 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1426 (compute_estimated_nb_iterations): Take only realistic bounds into
1427 account. Set estimate_state. Use double_ints.
1428 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1429 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1430 that do not have to be always executed.
1431 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1432 to determine whether to call infer_loop_bounds_from_undefined
1433 and compute_estimated_nb_iterations.
1434 (n_of_executions_at_most): Use double_ints.
1435 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1436 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1437 * double-int.c (double_int_to_tree): Improve comment.
1438 (double_int_fits_to_tree_p): New function.
1439 * double-int.h (double_int_fits_to_tree_p): Declare.
1440 * tree-data-ref.c: Include langhooks.h.
1441 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1442 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1443 (analyze_array): Do not pass estimate_only argument to
1444 analyze_array_indexes.
1445 (get_number_of_iters_for_loop): Build tree from the stored double_int
1447 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1448 (find_data_references_in_loop): Use find_data_references_in_stmt.
1449 * tree-data-ref.h (struct data_ref_loc_d): New.
1450 (get_references_in_stmt): Declare.
1451 (estimate_iters_using_array): Declaration removed.
1452 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1453 double_int. Improve comments. Add is_exit and realistic
1455 (struct loop): Changed type of estimated_nb_iterations to double_int.
1456 Added estimate_state field.
1457 (record_estimate): Declaration removed.
1459 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1461 * params.c (set_param_value): Initialize the "set" field.
1462 * params.h (struct param_info): Add "set" field.
1463 (PARAM_SET_P): New macro.
1464 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1465 L1_CACHE_LINE_SIZE): New macros.
1466 * toplev.c (DEFPARAM): Initialize the "set" field.
1467 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1468 SIMULTANEOUS_PREFETCHES): Removed.
1469 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1470 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1471 * config/sparc/sparc.c: Include params.h.
1472 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1473 L1_CACHE_LINE_SIZE parameters.
1474 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1476 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1478 * config/i386/i386.c: Include params.h.
1479 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1480 (override_options): Set SIMULTANEOUS_PREFETCHES and
1481 L1_CACHE_LINE_SIZE parameters.
1482 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1483 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1484 L1_CACHE_LINE_SIZE parameters.
1485 * config/ia64/ia64.c (ia64_optimization_options): Set
1486 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1487 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1489 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1490 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1491 * doc/invoke.texi: Document new params.
1493 2006-11-12 Roger Sayle <roger@eyesopen.com>
1495 PR tree-optimization/13827
1496 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1499 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1501 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1502 update_single_exit_for_duplicated_loops): New functions.
1503 (duplicate_loop_to_header_edge): Use
1504 update_single_exit_for_duplicated_loops.
1505 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1506 functions only with ENABLE_CHECKING.
1508 2006-11-12 Andreas Schwab <schwab@suse.de>
1510 * except.c (sjlj_emit_function_enter): Remove unused variable.
1512 2006-11-11 Roger Sayle <roger@eyesopen.com>
1514 * fold-const.c (int_binop_types_match_p): New function.
1515 (size_binop): Relax constraint that both arguments must both have
1516 exactly the same sizetype type. Instead use int_binop_types_match_p.
1517 (size_diffop): Likewise.
1519 (make_range): Use build_int_cst instead of fold_convert.
1520 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1521 integer constants of the correct type.
1522 (fold_div_compare): Likewise.
1523 (fold_single_bit_test): Likewise.
1524 (fold_binary): Likewise.
1525 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1526 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1528 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1531 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1532 non null value if the struct memory access is in the 0th
1535 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1538 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1539 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1542 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1543 instead of builtin_define for bfin and BFIN.
1545 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1547 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1550 2006-11-11 Jan Hubicka <jh@suse.cz>
1552 * extend.texi (__builtin_expect): We no longer require second argument
1554 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1555 * builtins.c (expand_builtin_expect): Simplify.
1556 (expand_builtin_expect_jump): Kill.
1557 * final.c (final_scan_insn): Do not skip the removed notes.
1558 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1559 EXPECTED_VALUE): Remove.
1560 * dojump.c (do_jump): Do not care about __builtin_expect.
1561 * predict.c (expected_value_to_br_prob): Kill.
1562 * function.c (expand_function_end): Do not expand
1563 NOTE_INSN_REPEATED_LINE_NUMBER.
1564 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1565 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1566 * cfgexpand.c (add_reg_br_prob_note): Export.
1567 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1568 expected_value_to_br_prob.
1569 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1570 * rtl.h (add_reg_br_prob_note): Declare.
1572 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1576 2006-11-11 Jan Hubicka <jh@suse.cz>
1578 * predict.c (predict_loops): Kill RTL variant.
1580 2006-11-11 Jan Hubicka <jh@suse.cz>
1582 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1583 * modulo-sched.c (find_line_note): Remove.
1584 (loop_canon_p): Do not worry about line number notes.
1585 (sms_schedule): Likewise.
1586 * cse.c (cse_main): Likewise.
1587 * regmove.c (fixup_match_1): Likewise
1588 * function.c (emit_return_info_block): Likewise.
1589 (expand_function_end): Likewise.
1590 (thread_prologue_an_epilogue_insns): Likewise.
1591 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1593 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1594 emit_note_copy_after): Kill.
1595 (emit_note_copy): Do not worry about line numbers.
1596 * jump.c (purge_line_number_notes): Kill.
1597 (pass_purge_lineno_notes): Kill.
1598 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1600 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1601 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1602 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1603 * tree-pass.h (pass_purge_lineno_notes): Kill.
1604 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1605 rm_redundant_line_notes.
1606 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1607 rm_redundant_line_notes.
1608 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1609 * haifa-sched.c: Update comment about handling notes.
1610 (unlink_line_notes): Kill.
1611 (rm_line_notes): Kill.
1612 (save_line_notes): Simplify.
1613 (rm_redundant_line_notes): Kill.
1615 2006-11-11 Richard Guenther <rguenther@suse.de>
1617 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1618 Remove unused tree codes.
1619 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1620 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1621 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1622 * tree.c (stabilize_reference): Likewise.
1623 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1624 fold_unary): Likewise.
1625 * tree-gimple.c (is_gimple_cast): Likewise.
1626 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1627 * expr.c (expand_expr_real_1): Likewise.
1628 * tree-eh.c (tree_could_trap_p): Likewise.
1629 * gimplify.c (gimplify_expr): Likewise.
1630 * tree-inline.c (estimate_num_insns_1): Likewise.
1631 * tree-cfg.c (verify_expr): Likewise.
1633 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1635 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1636 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1637 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1639 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1642 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1643 constraints accept neither registers or memories.
1645 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1647 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1648 (NO_PROFILE_COUNTERS): Define as 1.
1650 2006-11-10 Roger Sayle <roger@eyesopen.com>
1652 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1653 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1655 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1657 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1659 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1661 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1662 (fold_builtin_hypot): Likewise.
1663 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1665 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1667 2006-11-10 Roger Sayle <roger@eyesopen.com>
1669 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1670 when attempting to build INTEGER_CSTs of non-integral types.
1671 * expmed.c (make_tree): Use the correct type, i.e. the inner
1672 type, when constructing the individual elements of a CONST_VECTOR.
1674 2006-11-10 Jan Hubicka <jh@suse.cz>
1676 * cse.c (cse_process_notes): Copy the propagated value.
1677 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1679 * gcse.c (try_replace_reg): Copy the replacement.
1680 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1681 (assign_386_stack_local): Always return copied memory expression
1682 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1685 2006-11-10 Jan Hubicka <jh@suse.cz>
1687 * final.c (final): Walk from first instruction.
1688 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1690 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1693 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1695 (umulv8hi3_highpart): Ditto.
1696 (vec_widen_smult_hi_v8hi): New expander.
1697 (vec_widen_smult_lo_v8hi): Ditto.
1699 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1702 * builtins.c (do_mpfr_arg3): New.
1703 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1705 2006-11-09 Eric Christopher <echristo@apple.com>
1710 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1711 * config.gcc (powerpc64-*-darwin*): New target.
1712 * config.host: Ditto.
1713 * config/rs6000/darwin64.h: New file.
1714 * config/rs6000/x-darwin64: Ditto.
1715 * config/rs6000/host-ppc64-darwin.c: Ditto.
1717 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1719 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1720 routines for integer division.
1722 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1724 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1726 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1729 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1731 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1733 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1734 simplify_subreg with BLKmode outer mode.
1736 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1738 * doc/invoke.texi: Minor formatting fixes in option lists.
1740 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1742 PR tree-optimization/29738
1743 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1744 (ccp_lattice_t): Remove UNKNOWN_VAL.
1745 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1746 Do not handle UNKNOWN_VAL.
1747 (get_default_value): Set initial value of virtual operands to
1749 (get_value): Always use get_default_value on uninitialized
1751 (set_value_varying, surely_varying_stmt_p): New functions.
1752 (set_lattice_value): Do not pass argument to get_value.
1753 Do not handle UNKNOWN_VAL.
1754 (likely_value): Follow the semantics described in the comment.
1755 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1756 phi nodes DONT_SIMULATE_AGAIN.
1757 (ccp_fold): Do not pass argument to get_value.
1758 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1761 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1763 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1764 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1766 2006-11-08 Roger Sayle <roger@eyesopen.com>
1768 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1769 test for inclusion rather than as a test for exclusion.
1770 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1771 the condition after calling fold_binary.
1772 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1773 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1774 * builtins.c (fold_builtin_isascii): Likewise.
1775 (fold_builtin_isdigit): Likewise.
1777 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1779 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1780 * configure: Regenerate.
1782 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1784 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1785 enum argument instead of bool.
1786 (vect_analyze_operations): Call vectorizable_type_promotion.
1787 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1788 stmt_vec_info_type value.
1789 (supportable_widening_operation, vectorizable_type_promotion): New
1790 function declarations.
1791 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1792 (vectorizable_type_promotion): New function.
1793 (vect_transform_stmt): Call vectorizable_type_promotion.
1794 * tree-vect-analyze.c (supportable_widening_operation): New function.
1795 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1797 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1800 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1801 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1802 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1804 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1805 * expr.c (expand_expr_real_1): Likewise.
1806 * optabs.c (optab_for_tree_code): Likewise.
1807 (init_optabs): Initialize new optabs.
1808 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1809 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1810 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1811 vec_unpacku_lo_optab): Initialize new optabs.
1812 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1813 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1814 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1816 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1817 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1818 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1819 (vec_unpacku_lo_optab): New optabs.
1820 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1821 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1822 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1823 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1824 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1825 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1827 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1828 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1829 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1830 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1831 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1832 implement the unsigned unpacking patterns.
1833 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1834 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1835 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1836 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1837 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1838 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1839 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1840 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1841 multiplication patterns.
1843 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1844 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1845 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1846 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1847 (rs6000_builtin_mul_widen_odd): New.
1848 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1849 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1850 * tree-vectorizer.h (enum vect_relevant): New enum type.
1851 (_stmt_vec_info): Field relevant chaned from bool to enum
1853 (STMT_VINFO_RELEVANT_P): Updated.
1854 (STMT_VINFO_RELEVANT): New.
1855 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1856 instead of STMT_VINFO_RELEVANT_P.
1857 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1858 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1859 and boolean variable with enum vect_relevant.
1860 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1861 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1862 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1864 2006-11-08 Richard Henderson <rth@redhat.com>
1866 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1867 vec_widen_umult_lo_v8hi): New.
1868 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1869 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1871 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1872 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1873 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1874 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1875 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1876 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1877 vec_unpacks_lo_v4si): New.
1879 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1881 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1882 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1883 (vect_analyze_operations): Call vectorizable_type_demotion.
1884 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1885 stmt_vec_info_type value.
1886 (vectorizable_type_demotion): New function declaration.
1887 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1890 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1891 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1893 * tree-iniline.c (estimate_num_insns_1): Likewise.
1894 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1895 * optabs.c (optab_for_tree_code): Likewise.
1897 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1898 compared against the predicate of the result is not 'mode' (the input
1899 to the function) but a mode with half the size of 'mode'.
1900 (init_optab): Initialize new optabs.
1901 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1903 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1905 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1906 (vec_pack_usat_optab): Initialize new optabs.
1907 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1908 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1910 2006-11-08 Richard Henderson <rth@redehat.com>
1912 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1913 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1914 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1915 (vec_interleave_highv4si, vec_interleave_lowv4si):
1916 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1918 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1920 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1922 (vect_transform_stmt): Removed redundant code.
1924 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1926 * tree-vect-transform.c (vectorizable_operation): Support multiple
1929 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1931 * tree-vect-transform.c (vect_align_data_ref): Removed.
1932 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1933 Updated function documentation. Return the increment stmt in ptr_incr.
1934 (bump_vector_ptr): New function.
1935 (vect_get_vec_def_for_stmt_copy): New function.
1936 (vect_finish_stmt_generation): Create a stmt_info to newly created
1938 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1940 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1941 VF is greater than the number of elements that can fit in one vector
1943 (vectorizable_operation, vectorizable_condition): Likewise.
1944 (vectorizable_store, vectorizable_load): Support the case that the VF
1945 is greater than the number of elements that can fit in one vector word.
1946 (vect_transform_loop): Don't fail in case of multiple data-types.
1947 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1948 in case of multiple data-types; the smallest type determines the VF.
1949 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1950 if they are of different sizes.
1951 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1952 number of elements rather than number of bytes.
1953 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1954 (vect_can_advance_ivs_p): Fix a dump printout
1956 2006-11-07 Eric Christopher <echristo@apple.com>
1958 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1959 (__bswapsi2): Ditto.
1960 * libgcc2.h: Remove transformation of bswap routines.
1961 * config/i386/i386.md (bswapsi2): New.
1964 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1966 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1967 (handle_gnu_inline_attribute): New function.
1968 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1969 (merge_decls, start_decl, start_function): Likewise.
1970 * doc/extend.texi: Document gnu_inline attribute.
1972 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1975 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1976 _fixunstfdi, and _floatditf
1978 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1980 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1982 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1983 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1984 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1985 which start in an odd register.
1987 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1989 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1991 2006-11-07 Josh Conner <jconner@apple.com>
1993 * doc/invoke.texi (fstrict-aliasing): Move implementation
1995 * doc/tree-ssa.texi (Alias analysis): ...here.
1997 2006-11-07 Richard Guenther <rguenther@suse.de>
1999 PR tree-optimization/29610
2000 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2001 of tree_purge_dead_eh_edges as it may free dominators.
2003 * g++.dg/other/pr29610.C: New testcase.
2005 2006-11-07 David Ung <davidu@mips.com>
2007 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2008 costs when optimizing for size.
2009 (override_options): Use mips_rtx_cost_optimize_size table for cost
2012 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2014 * gcc.c (process_command): Treat -b as normal switch if its argument
2017 2006-11-07 David Ung <davidu@mips.com>
2019 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2022 2006-11-06 Eric Christopher <echristo@apple.com>
2024 * config.gcc: Add x86_64-darwin host support.
2025 * config.host: Ditto.
2026 * config/i386/darwin64.h: New file.
2027 * config/i386/t-darwin64: Ditto.
2029 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2031 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2032 and output-exists-not.
2034 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2037 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2038 checking for overflow.
2040 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2042 * configure.ac: Fixed typo in case statement: :: changed to ;;
2044 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2046 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2047 count_leading_zeros, and count_trailing_zeros.
2048 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2049 (TARGET_FOLD_BUILTIN): Define.
2050 (TARGET_EXPAND_BUILTIN): Define.
2051 (xtensa_init_builtins): New.
2052 (xtensa_fold_builtin): New.
2053 (xtensa_expand_builtin): New.
2054 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2055 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2056 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2057 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2058 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2059 (any_extend): New code macro.
2060 (u, su): New code attributes.
2061 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2062 (nsau): Remove; replaced by clzsi2.
2063 (ffssi2): Use clzsi2.
2064 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2065 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2066 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2067 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2068 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2070 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2072 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2074 * config/arm/t-strongarm-elf: Likewise.
2075 * config/arm/t-pe: Likewise.
2076 * config/arm/t-arm-elf: Likewise.
2077 * config/arm/t-xscale-elf: Likewise.
2078 * config/arm/t-arm-coff: Likewise.
2079 * config/arm/t-xscale-coff: Likewise.
2080 * config/arm/t-wince-pe: Likewise.
2082 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2084 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2087 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2090 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2093 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2096 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2097 as a valid 80387 constant.
2098 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2099 * config/i386/i386.md (unnamed splitter): Split the load of
2100 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2103 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2105 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2106 from the soft-frame, argument and virtual registers.
2108 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2110 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2111 patterns for standard 80387 constants.
2113 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2114 Steven Bosscher <steven@gcc.gnu.org>
2116 * fwprop.c: New file.
2117 * Makefile.in: Add fwprop.o.
2118 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2119 * passes.c (init_optimization_passes): Schedule forward propagation.
2120 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2122 * timevar.def (TV_FWPROP): New.
2123 * common.opt (-fforward-propagate): New.
2124 * opts.c (decode_options): Enable forward propagation at -O2.
2125 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2126 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2127 canon_for_address, table_size): Remove.
2128 (new_basic_block, insert, remove_from_table): Remove references to
2130 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2131 simplification loop more straightforward by not calling fold_rtx
2133 (equiv_constant): Move here a small part of fold_rtx_subreg,
2134 do not call fold_rtx. Call avoid_constant_pool_reference
2136 * recog.h (canonicalize_change_group): New.
2138 * doc/invoke.texi (Optimization Options): Document fwprop.
2139 * doc/passes.texi (RTL passes): Document fwprop.
2141 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2143 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2144 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2145 (grokdeclarator): Likewise.
2147 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2149 * tree-dump.c (dump_enable_all): Rename local variable
2150 ir_type to avoid name conflicts.
2151 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2152 instead of using ir_type().
2153 * profile.c (tree_register_profile_hooks): Likewise.
2154 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2155 * basic-block.h (struct edge_def): Likewise.
2156 * config/arm/arm.c (legitimize_pic_address): Likewise.
2157 * coretypes.h (ir_type): New enum of all intermediate languages
2159 * cfghooks.c (ir_type): Rename to...
2160 (current_ir_type): ...this. Distinguish between cfgrtl and
2161 cfglayout mode when the current IR is RTL. Return enum ir_type.
2162 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2164 2006-11-03 Paul Brook <paul@codesourcery.com>
2166 * config/arm/arm.c (arm_file_start): New function.
2167 (TARGET_ASM_FILE_START): Define.
2168 (arm_default_cpu): New variable.
2169 (arm_override_options): Set arm_default_cpu.
2171 2006-11-03 David Ung <davidu@mips.com>
2173 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2174 PROCESSOR_24KC and PROCESSOR_24KF.
2175 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2176 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2177 (mips_rtx_cost_data): Add costs for the 24kc.
2178 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2179 * config/mips/24k.md: Remove references to 24k and replace with
2180 uses of 24kc/24kf in the appropriate reservations.
2181 * doc/invoke.texi (MIPS Options): Updated.
2183 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2185 * config/sh/crt1.asm: Fix #ifdef indent.
2187 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2188 Merged from STMicroelectronics sources:
2189 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2190 * config/sh/crt1.asm (vbr_600): Add missing #if.
2191 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2192 * sh.opt (mfused-madd): New option.
2193 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2194 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2195 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2196 Remove pointless handler at VBR+0.
2197 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2198 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2199 fr7. Make sure the timer handler is called with the correct FPU
2200 precision setting, according to the ABI.
2201 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2202 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2203 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2204 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2205 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2206 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2207 zero as second operand.
2208 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2209 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2210 Fixed some bugs related to negative values, in particular -0
2211 and overflow at -0x80000000.
2212 * config/sh/divcost-analysis: Added sh4-300 figures.
2213 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2214 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2215 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2216 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2217 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2218 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2220 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2222 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2223 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2224 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2225 mac_mem, mem_mac, dfp_mul, fp_cmp.
2226 (insn_class, dfp_comp, any_fp_comp): Update.
2227 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2228 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2229 (muldf3_i): Likewise.
2230 (movsi_i): Split rI08 alternative into two separate alternatives.
2232 (movsi_ie, movsi_i_lowpart): Likewise.
2233 (movqi_i): Split ri alternative into two separate alternatives.
2235 * sh1.md (sh1_load_store, sh1_fp): Update.
2236 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2237 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2238 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2239 (sh4a_fp_double_arith): Likewise.
2240 * sh4-300.md: New file.
2241 * sh.c (sh_handle_option): Handle m4-300* options.
2242 (sh_adjust_cost): Fix latency of auto-increments.
2243 Handle SH4-300 differently than other SH4s. Check for new insn types.
2244 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2245 been set by an option.
2246 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2247 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2248 (mbranch-cost=): Likewise.
2249 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2251 * sh.md (mulsf3): Remove special expansion code.
2252 (mulsf3_ie): Now a define_insn_and_split.
2253 (macsf3): Allow for TARGET_SH4.
2255 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2256 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2257 (expand_cbranchdi4): Likewise.
2258 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2259 CONST_DOUBLE if the outer code is COMPARE.
2260 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2261 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2262 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2263 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2264 Remove redundant fp_{zero,one}_operand checks.
2265 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2266 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2267 (expand_cbranchdi4): Likewise.
2268 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2269 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2271 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2273 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2276 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2278 * doc/invoke.texi: Fix mfp-trap-mode typo.
2280 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2282 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2283 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2284 file_end_indicate_exec_stack.
2285 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2287 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2288 for a non-executable stack.
2289 * crti.asm: Likewise.
2290 * crtn.asm: Likewise.
2291 * libunwind.S: Likewise.
2293 2006-11-02 Ben Elliston <bje@au.ibm.com>
2295 * tree-ssa.c (warn_uninit): Use expand_location variables for
2296 locus and declaration locus.
2298 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2301 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2302 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2303 cmp{eq,gt,gtu}{si,di}_media.
2304 (*cmpne0si_media): Remove.
2305 (*movsicc_umin): Adjust gen_cmp*_media call.
2306 (unordered): Change the mode of unordered and operands[1] to
2308 (seq): Adjust gen_cmp*_media calls. Make the mode of
2309 a temporary result of compare SImode if needed. If the mode
2310 of operands[0] is DImode, extend the temporary result to DImode.
2311 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2312 (sunorderd): Change the mode of match_operand and unorderd to
2314 (cmpeq{sf,df}_media): Remove.
2315 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2316 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2317 and compare operation to SImode.
2319 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2321 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2323 (sparc64-sun-solaris2*): Likewise.
2325 2006-11-02 Paul Brook <paul@codesourcery.com>
2327 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2328 from priority argument. Use different section for non-default
2330 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2332 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2335 * except.c (switch_to_exception_section): Do not cache the section
2336 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2337 and flag_function_sections is set.
2339 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2342 * builtins.c (do_mpfr_sincos): New.
2343 (fold_builtin_1): Use it to fold builtin sincos.
2345 2006-11-01 Roger Sayle <roger@eyesopen.com>
2347 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2348 it into -D_REENTRANT.
2350 2006-11-01 Roger Sayle <roger@eyesopen.com>
2352 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2353 whether the assembler supports taking the difference of symbols in
2354 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2355 * configure: Regenerate.
2356 * config.in: Regenerate.
2357 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2358 the assembler doesn't support taking the difference of symbols in
2359 different sections, i.e. we're using the native solaris assembler.
2361 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2362 Peter Bergner <bergner@vnet.ibm.com>
2364 * doc/invoke.texi: Add cpu_type power6x
2365 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2366 * config.gcc: Add cpu_type power6x.
2367 * configure.ac: Add test for mf{t,f}gpr instructions.
2368 (HAVE_AS_MFPGPR): New.
2369 * config.in: Regenerate.
2370 * configure: Regenerate.
2371 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2372 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2373 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2374 and mftgpr attributes.
2375 (define_attr "cpu"): Add power6.
2376 Change instruction sequences to use new attributes.
2377 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2378 (fix_truncdfsi2_mfpgpr): New.
2379 (floatsidf_ppc64_mfpgpr): New.
2380 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2381 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2382 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2383 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2384 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2385 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2386 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2387 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2388 cntlz,exts and var_delayed_compare.
2389 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2390 _ARCH_PWR6X, if features enabled.
2391 * config/rs6000/rs6000.opt (mmfpgpr): New.
2392 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2393 (cached_can_issue_more): New variable.
2394 (processor_costs): Add power6_cost.
2395 (rs6000_sched_init): New function.
2396 (is_dispatch_slot_restricted): Deleted.
2397 (set_to_load_agen): New function.
2398 (is_load_insn,is_store_insn): New functions.
2399 (adjacent_mem_locations): New function.
2400 (insn_must_be_first_in_group): New function.
2401 (insn_must_be_last_in_group): New function.
2402 (rs6000_sched_reorder): New function.
2403 (rs6000_sched_reorder2): New function.
2404 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2405 TARGET_SCHED_REORDER2): Define.
2406 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2407 Add power6x. Add MASK_MFPGPR for power6x.
2408 (POWERPC_MASKS): Add MASK_MFPGPR.
2409 (rs6000_override_options): Set rs6000_always_hint to false
2410 for power6. Set rs6000_align_branch_targets. Replace
2411 rs6000_sched_groups check with rs6000_align_branch_targets.
2412 Use PROCESSOR_POWER6.
2413 (last_scheduled_insn): New variable.
2414 (load_store_pendulum): New variable.
2415 (rs6000_variable_issue): Set last_scheduled_insn and
2416 cached_can_issue_more.
2417 (rs6000_adjust_cost): Add power6 cost adjustments.
2418 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2419 with insn_must_be_first_in_group. Add power6 priority adjustments.
2420 (rs6000_issue_rate): Add CPU_POWER6.
2421 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2422 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2423 (TARGET_MFPGPR): New.
2424 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2425 (ASM_CPU_SPEC): Add power6x.
2426 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2428 * config/rs6000/power6.md: New file.
2430 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2432 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2433 HOST_WIDE_INT_PRINT to print high and low parts. Use
2434 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2435 printing a hexadecimal number prefix it with 0x.
2437 2006-11-01 Chris Johns <chris@contemporary.net.au>
2440 * Makefile.in (install-driver): Use exeext when installing
2441 $target-gcc-$version.
2443 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2445 * c-common.c (flag_cpp0x): New.
2446 * c-common.h (flag_cpp0x): New.
2447 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2448 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2449 * c-opts.c (set_std_cxx0x): New.
2450 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2451 * c.opt (std=c++0x): Document.
2452 (std=gnu++0x): Ditto.
2453 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2454 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2456 2006-11-01 Richard Guenther <rguenther@suse.de>
2458 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2460 (ix86_expand_floorceildf_32): Likewise.
2461 (ix86_expand_floorceil): Likewise.
2462 (ix86_expand_trunc): Likewise.
2464 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2466 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2469 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2471 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2473 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2475 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2477 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2478 * configure.ac (use_cxa_atexit): As a special case, don't test
2479 for libc definition of __cxa_atexit on mingw32
2480 * configure: Regenerate.
2481 * config.gcc (i[34567]86-pc-mingw32): Default to
2482 enable__cxa_atexit=yes.
2484 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2486 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2488 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2491 * c-decl.c (start_struct): Don't create self-containing
2493 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2495 * config/rs6000/rs6000-protos.h
2496 (darwin_rs6000_special_round_type_align): New.
2497 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2498 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2500 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2502 * toplev.c (compile_file): Call final_write_globals
2503 even if there have been errors.
2505 2006-10-31 Eric Christopher <echristo@apple.com>
2506 Falk Hueffner <falk@debian.org>
2508 * doc/extend.texi (__builtin_bswap32): Document.
2509 (__builtin_bswap64): Ditto.
2510 * doc/libgcc.texi (bswapsi2): Document.
2512 * doc/rtl.texi (bswap): Document.
2513 * optabs.c (expand_unop): Don't widen a bswap.
2514 (init_optabs): Init bswap. Set libfuncs explicitly
2515 for bswapsi2 and bswapdi2.
2516 * optabs.h (OTI_bswap): New.
2517 (bswap_optab): Ditto.
2518 * genopinit.c (optabs): Handle bswap_optab.
2519 * tree.h (tree_index): Add TI_UINT32_TYPE and
2521 (uint32_type_node): New.
2522 (uint64_type_node): Ditto.
2523 * tree.c (build_common_tree_nodes_2): Initialize
2524 uint32_type_node and uint64_type_node.
2525 * builtins.c (expand_builtin_bswap): New.
2526 (expand_builtin): Call.
2527 (fold_builtin_bswap): New.
2528 (fold_builtin_1): Call.
2529 * fold-const.c (tree_expr_nonnegative_p): Return true
2531 * builtin-types.def (BT_UINT32): New.
2533 (BT_FN_UINT32_UINT32): Ditto.
2534 (BT_FN_UINT64_UINT64): Ditto.
2535 * builtins.def (BUILT_IN_BSWAP32): New.
2536 (BUILT_IN_BSWAP64): Ditto.
2537 * rtl.def (BSWAP): New.
2538 * genattrtab.c (check_attr_value): New.
2539 * libgcc2.c (__bswapSI2): New.
2540 (__bswapDI2): Ditto.
2541 * libgcc2.h (__bswapSI2): Declare.
2542 (__bswapDI2): Ditto.
2543 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2544 * simplify-rtx.c (simplify_const_unary_operation): Return
2546 * libgcc-std.ver (__bwapsi2): Add.
2547 (__bswapdi2): Ditto.
2548 * reload1.c (eliminate_regs_1): Add bswap.
2549 (elimination_effects): Ditto.
2550 * config/i386/i386.h (x86_bswap): New.
2551 (TARGET_BSWAP): Use.
2552 * config/i386/i386.c (x86_bswap): Set.
2554 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2556 * coverage.c (coverage_checksum_string): Update comment.
2557 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2558 of get_file_function_name.
2559 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2560 of get_file_function_name_long.
2561 * tree.c (get_file_function_name): Rename from
2562 get_file_function_name_long; improve comment; handle 'I' and 'D'
2563 specially when the target has ctor/dtor support; remove special
2565 (get_file_function_name): Remove.
2566 * tree.h (get_file_function_name): Rename from
2567 get_file_function_name_long.
2568 (get_file_function_name): Remove prototype.
2570 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2572 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2573 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2575 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2576 Call dsymutil when compiling and linking one or more source files
2579 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2582 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2584 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2586 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2587 inline static functions in c99 mode.
2590 * doc/extend.texi (Inline): Update.
2591 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2592 * c-decl.c (current_extern_inline): Delete.
2593 (pop_scope): Adjust test for an undefined nested function.
2594 Add warning about undeclared inline function.
2595 (diagnose_mismatched_decls): Update comments. Disallow overriding
2596 of inline functions in a translation unit in C99. Allow inline
2597 declarations in C99 at any time.
2598 (merge_decls): Boolize variables. Handle C99 'extern inline'
2600 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2601 C99 inline semantics.
2602 (start_function): Don't clear current_extern_inline. Don't set
2604 (c_push_function_context): Don't push current_extern_inline.
2605 (c_pop_function_context): Don't restore current_extern_inline.
2608 * c-typeck.c (build_external_ref): Warn about static variables
2609 used in extern inline functions.
2610 * c-decl.c (start_decl): Warn about static variables declared
2611 in extern inline functions.
2613 2006-10-31 Roger Sayle <roger@eyesopen.com>
2616 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2617 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2618 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2619 or y is an even integer.
2621 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2624 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2625 * gthr-posix95.h (__gthread_active_p): Likewise.
2627 2006-10-31 Richard Guenther <rguenther@suse.de>
2629 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2630 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2631 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2632 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2633 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2634 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2635 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2636 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2639 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2641 * opts.c (decode_options): Disable CSE skip blocks.
2643 2006-10-30 Dirk Mueller <dmueller@suse.de>
2645 * c-common.h (strict_aliasing_warning): Fix whitespace.
2646 * c-decl (start_function): Move code for main decl warning ..
2647 * c-common.c (check_main_parameter_types): .. here.
2648 * c-common.h (check_main_parameter_types): Declare.
2650 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2653 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2655 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2657 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2658 be a PARALLEL containing sets. Return false when out_pat is not
2661 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2663 * config/mips/mips.md (mul<mode>3): Split into...
2664 (mulsi3, muldi3): ...these separate patterns.
2666 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2668 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2669 but with each set of options separated by spaces.
2671 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2673 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2674 dwarf_reg_size_table has been initialized.
2676 2006-10-30 Roger Sayle <roger@eyesopen.com>
2678 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2679 * ddg.c (print_ddg_edge): Likewise.
2680 * dwarf2out.c (prune_unused_types_walk): Likewise.
2681 * ifcvt.c (noce_try_cmove_arith): Likewise.
2682 * langhooks.c (add_builtin_function): Likewise.
2683 * reg-stack.c (subst_stack_regs_pat): Likewise.
2684 * tree.c (expanded_location): Likewise.
2685 * tree-dump.c (dequeue_and_dump): Likewise.
2687 2006-10-30 David Daney <ddaney@avtrex.com>
2689 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2691 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2693 PR tree-optimization/29637
2694 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2695 of the innertype is the innertype itself.
2697 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2699 * dwarf2out.c (file_name_acquire): Correct typo.
2701 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2703 * tree.h (tree_value_handle): Remove struct value_set declaration.
2704 Change value_set to bitmap_set.
2705 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2706 * tree-vn.c (get_value_handle): Made inline and moved to
2708 * tree-flow-inline.h: (has_stmt_ann): New function.
2709 * tree-ssa-pre.c (expressions): New variable.
2710 (next_expression_id): Ditto.
2711 (alloc_expression_id): New function.
2712 (struct value_set): Remove.
2713 (get_expression_id): New function.
2714 (get_or_alloc_expression_id): Ditto.
2715 (expression_for_id): Ditto.
2716 (clear_expression_ids): Ditto.
2717 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2718 (bb_value_sets): Renamed to bb_bitmap_sets.
2719 All value sets replaced with bitmap_sets.
2721 (BB_VISITED): New macro.
2722 (postorder): New variable.
2723 (add_to_value): Removed.
2724 (value_exists_in_set_bitmap): Ditto.
2725 (value_insert_into_set_bitmap): Ditto.
2728 (set_remove): Ditto.
2729 (set_contains_value): Ditto.
2730 (insert_into_set): Ditto.
2732 (find_leader): Ditto.
2733 (bitmap_set_subtract_from_value_set): Ditto.
2734 (value_insert_into_set): Ditto.
2735 (print_value_set): Ditto.
2736 (debug_value_set): Ditto.
2737 (constant_expr_p): New function.
2738 (bitmap_remove_from_set): Ditto.
2739 (bitmap_insert_into_set): Ditto.
2740 (bitmap_set_free): Ditto.
2741 (vh_compare): Ditto.
2742 (sorted_array_from_bitmap_set): Ditto.
2743 (bitmap_set_subtract): Ditto.
2744 (bitmap_set_equal): Ditto.
2745 (debug_bitmap_set): Ditto.
2746 (find_leader_in_sets): Ditto.
2747 (bitmap_set_replace_value): Modify for bitmapped sets.
2748 (phi_translate): Ditto.
2749 (phi_translate_set): Ditto.
2750 (bitmap_find_leader): Ditto.
2751 (valid_in_sets): Ditto.
2752 (union_contains_value): Ditto.
2754 (compute_antic_aux): Ditto. Mark changed blocks.
2755 (compute_antic): Ditto. Iterate in postorder and only over
2757 (compute_rvuse_and_antic_safe): Reuse postorder.
2758 (create_component_ref_by_pieces): Modify for bitmapped sets.
2759 (find_or_generate_expression): Ditto.
2760 (create_expression_by_pieces): Ditto.
2761 (insert_into_preds_of_block): Ditto.
2762 (changed_blocks): New variable.
2763 (do_regular_insertion): Broken out from insert_aux.
2764 (insert_aux): Modified for bitmapped sets.
2765 (find_existing_value_expr): New function.
2766 (create_value_expr_from): Use it.
2767 (insert_extra_phis): Removed.
2768 (print_bitmap_set): Renamed from bitmap_print_value_set.
2769 (compute_avail): Handle RETURN_EXPR.
2770 (init_pre): Modify for bitmapped sets.
2771 * tree-flow.h (has_stmt_ann): New function.
2773 2006-10-29 Roger Sayle <roger@eyesopen.com>
2775 * builtins.c (fold_builtin_floor): Check for the availability of
2776 the C99 trunc function before transforming floor into trunc.
2778 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2780 * builtins.c (fold_builtin_hypot): Rearrange recursive
2781 transformation before others, and also do ABS_EXPR. When
2782 necessary, check flag_unsafe_math_optimizations. When necessary,
2785 2006-10-29 Roger Sayle <roger@eyesopen.com>
2787 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2788 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2789 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2790 Fold -X eq/ne -Y as X eq/ne Y.
2792 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2794 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2795 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2796 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2797 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2798 Use an inclusive test for "mult" rather than "mul".
2799 (rotr<mode>3): Depend on ISA_HAS_ROR.
2800 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2802 (GENERATE_MULT3_DI): Delete.
2803 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2804 (ISA_HAS_MUL3): New macro.
2805 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2806 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2807 (ISA_HAS_CLZ_CLO): Likewise.
2808 (ISA_HAS_DCLZ_DCLO): Delete.
2809 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2810 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2811 the VR4120 and VR4130.
2812 (ISA_HAS_MACCHI): Use consistent formatting.
2813 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2814 (ISA_HAS_ROR): ...this new macro.
2815 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2816 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2817 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2819 2006-10-29 Roger Sayle <roger@eyesopen.com>
2821 PR tree-optimization/15458
2822 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2825 2006-10-29 Richard Guenther <rguenther@suse.de>
2827 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2828 (ix86_expand_truncdf_32): Likewise.
2829 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2830 trunc inline for SSE math and -fno-trapping-math and if not
2831 optimizing for size.
2832 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2833 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2834 for expanding btrunc inline for SSE math.
2836 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2838 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2839 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2840 i[34567]86-*-solaris2.1[0-9]*.
2841 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2842 Define conditionally depending on TARGET_64BIT_DEFAULT.
2843 (SPEC_32, SPEC_64): Define.
2844 (LINK_SPEC): Use them.
2845 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2847 2006-10-29 Richard Guenther <rguenther@suse.de>
2849 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2850 (ix86_expand_rounddf_32): Likewise.
2851 * config/i386/i386.c (ix86_expand_round): New function expanding
2852 round inline for SSE math and -fno-trapping-math and if not
2853 optimizing for size.
2854 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2855 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2856 round via ix86_expand_round.
2858 2006-10-29 Richard Guenther <rguenther@suse.de>
2860 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2861 (ix86_expand_floorceildf_32): Likewise.
2862 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2863 static helper function.
2864 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2866 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2867 * config/i386/i386.md (floordf2): Adjust to enable floor
2868 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2869 -fno-trapping-math is enabled and if not optimizing for size.
2870 (floorsf2, ceildf2, ceilsf2): Likewise.
2871 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2872 (sse2_maskcmpdf3): Likewise.
2874 2006-10-29 Richard Guenther <rguenther@suse.de>
2876 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2877 rint in case -fno-trapping-math is enabled.
2878 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2879 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2880 (ix86_expand_sse_fabs): Likewise.
2881 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2882 * config/i386/i386.md (rintdf2): Enable for SSE math if
2883 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2884 (rintsf2): Likewise.
2886 2006-10-29 Richard Guenther <rguenther@suse.de>
2888 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2889 to conversion optabs.
2890 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2891 as conversion optab.
2892 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2893 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2894 (lfloor_optab, lceil_optab): Adjust defines.
2895 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2896 lfloor and lceil optabs now being conversion optabs.
2897 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2898 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2899 New static helper function.
2900 (ix86_expand_lfloorceil): New function to expand lfloor and
2902 * config/i386/i386.md (lfloor<mode>2): Split into ...
2903 (lfloorxf<mode>2): ... x87 variant
2904 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2905 using ix86_expand_lfloorceil.
2906 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2908 * doc/md.texi (lfloorMN, lceilMN): Document.
2910 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2912 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2913 -mno-shared assembler option on mips targets.
2914 * configure, config.in: Regenerate.
2915 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2916 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2917 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2919 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2921 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2922 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2924 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2926 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2927 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2930 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2933 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2934 (fold_builtin_pow): Evaluate constant arguments at compile-time
2936 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2937 (do_mpfr_ckconv): New helper function.
2938 (do_mpfr_arg1): Use do_mpfr_ckconv.
2939 (do_mpfr_arg2): New.
2941 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2944 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2945 (-fdump-rtl-sched): Rename to ..
2946 (-fdump-rtl-sched1): here. Also fix file extension number.
2948 2006-10-28 Richard Guenther <rguenther@suse.de>
2950 * fold-const.c (maybe_canonicalize_comparison): Fix code
2953 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2955 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2956 (NON_QI_REG_P): Use IN_RANGE.
2957 (REX_INT_REGNO_P): Use IN_RANGE.
2958 (FP_REGNO_P): Use IN_RANGE.
2959 (SSE_REGNO_P): Use IN_RANGE.
2960 (REX_SSE_REGNO_P): Use IN_RANGE.
2961 (MMX_REGNO_P): Use IN_RANGE.
2962 (STACK_REGNO_P): New macro.
2963 (STACK_REG_P): Use STACK_REGNO_P.
2964 (NON_STACK_REG_P): Use STACK_REGNO_P.
2965 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2966 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2967 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2968 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2969 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2971 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2973 * except.h (output_function_exception_table): Add 'const char*' param.
2974 * except.c (switch_to_exception_section): Add 'const char*' param.
2975 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2976 and flag_function_sections is set, use a function-specific section.
2977 (output_function_exception_table): Add 'const char*' param.
2978 Adjust call to switch_to_exception_section.
2979 * final.c (rest_of_handle_final): Adjust calls to
2980 output_function_exception_table.
2981 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2982 * config.in: Regenerate.
2983 * configure: Likewise.
2985 2006-10-28 Richard Guenther <rguenther@suse.de>
2988 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2989 for maybe_canonicalize_comparison.
2990 (maybe_canonicalize_comparison): New function for canonicalizing
2992 (fold_comparison): Call it to canonicalize comparisons with
2995 2006-10-28 Richard Guenther <rguenther@suse.de>
2998 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2999 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3000 (expand_builtin): Adjust likewise.
3001 * genopinit.c (optabs[]): Add lround optab.
3002 * optabs.c (init_optabs): Initialize lround_optab.
3003 * optabs.h (enum convert_optab_index): Add COI_lround.
3004 (lround_optab): Define.
3005 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3006 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3008 (ix86_expand_lround): New function.
3009 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3011 * doc/md.texi (lroundMN2): Document.
3013 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3016 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3017 argument to HOST_WIDE_INT. Update function prototype.
3018 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3019 "size" argument to HOST_WIDE_INT. Update function prototype.
3021 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3023 * config/i386/i386.c (output_387_ffreep): Create output from a
3024 template string for !HAVE_AS_IX86_FFREEP.
3026 2006-10-27 Eric Christopher <echristo@apple.com>
3028 * config/darwin.c: Fix formatting and grammar.
3030 2006-10-27 Jan Hubicka <jh@suse.cz>
3032 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3033 to be thrown away soon when IGNORE is set.
3034 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3035 indicating when return value shall not be computed.
3036 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3038 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3040 * config/i386/i386.h (TARGET_GEODE):
3041 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3042 (TARGET_CPU_DEFAULT_geode): New macro.
3043 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3044 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3045 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3046 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3047 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3049 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3050 (processor_type): Add PROCESSOR_GEODE.
3052 * config/i386/i386.md: Include geode.md.
3055 * config/i386/i386.c (geode_cost): New initialized global
3057 (m_GEODE, m_K6_GEODE): New macros.
3058 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3059 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3060 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3061 x86_schedule): Use m_K6_GEODE instead of m_K6.
3062 (x86_movx, x86_cmove): Set up m_GEODE.
3063 (x86_integer_DFmode_moves): Clear m_GEODE.
3064 (processor_target_table): Add entry for geode.
3065 (processor_alias_table): Ditto.
3067 * config/i386/geode.md: New file.
3069 * doc/invoke.texi: Add entry about geode processor.
3071 2006-10-27 Mike Stump <mrs@apple.com>
3073 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3074 __DYNAMIC__ from here back to ...
3075 * config/darwin.h (CPP_SPEC): ... here.
3077 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3078 Nathan Sidwell <nathan@codesourcery.com>
3080 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3081 when choosing the minimum heapsize.
3083 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3085 * gcc/unwind-dw2.h: Move cfa-related variables into
3086 struct frame_state_reg_info to ensure that the CFA is properly
3087 handled when executing DW_CFA_{remember,restore}_state.
3088 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3089 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3090 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3091 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3092 gcc/config/rs6000/linux-unwind.h,
3093 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3094 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3095 Modify to use new cfa_* fields.
3097 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3099 * config/s390/s390.c (s390_init_frame_layout): Check positive
3102 2006-10-26 Ben Elliston <bje@au.ibm.com>
3104 * gimplify.c (get_name): Remove extraneous break.
3105 (gimplify_omp_for): Initialise ret with GS_OK.
3107 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3109 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3110 Add unix98.o to link line.
3112 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3115 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3116 Calculate compile-time constants using MPFR.
3117 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3118 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3120 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3122 * config/xtensa/lib2funcs.S: Use C-style comments.
3124 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3126 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3127 (file_table_relative_p): Likewise.
3128 (dwarf2out_finish): Likewise.
3129 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3131 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3133 * tree-ssa-structalias.c (intra_create_variable_infos):
3134 Don't recreate nonlocal_all if it already exists.
3136 2006-10-25 Richard Guenther <rguenther@suse.de>
3139 * optabs.h (enum optab_index): Remove OTI_lrint.
3140 (enum convert_optab_index): Add COI_lrint.
3141 (lrint_optab): Adjust.
3142 (expand_sfix_optab): Declare.
3143 * optabs.c (expand_sfix_optab): New function.
3144 (init_optabs): Init lrint_optab as conversion optab.
3145 * genopinit.c (lrint_optab): Change to a conversion optab.
3146 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3147 expansion via conversion optab.
3148 * config/i386/i386.md (*fistdi2_1): Remove
3149 flag_unsafe_math_optimizations guard.
3150 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3151 fist<mode>2_with_temp): Likewise.
3152 (lrint<mode>2): Split into...
3153 (lrintxf<mode>2): ... x87 part
3154 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3155 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3156 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3157 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3158 * doc/md.texi (lrintMN2): Document.
3160 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3163 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3164 Use inc and dec instructions for TARGET_USE_INCDEC.
3165 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3166 ("sync_double_compare_and_swap<mode>"): Likewise.
3167 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3168 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3169 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3170 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3171 ("sync_old_add<mode>"): Likewise.
3172 ("sync_lock_test_and_set<mode>"): Likewise.
3173 ("sync_lock_test_and_set<mode>"): Likewise.
3174 ("sync_add<mode>"): Likewise.
3175 ("sync_sub<mode>"): Likewise.
3176 ("sync_ior<mode>"): Likewise.
3177 ("sync_and<mode>"): Likewise.
3178 ("sync_xor<mode>"): Likewise.
3180 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3182 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3183 (remainder_optab): Define corresponding macro.
3184 (drem_optab): Remove.
3185 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3186 drem_optab initialization.
3187 * genopinit.c (optabs): Implement remainder_optab using
3188 remainder?f3 patterns. Remove drem_optab.
3189 * builtins.c (expand_builtin_mathfn_2): Handle
3190 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3191 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3192 expand_builtin_mathfn_2.
3194 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3195 depend on flag_unsafe_math_optimizations.
3197 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3198 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3199 Do not depend on flag_unsafe_math_optimizations. Use
3200 truncxf?f expander instead of truncxf?f_i387_noop.
3202 ("fpremxf4", "fprem1xf4"): Do not depend on
3203 flag_unsafe_math_optimizations.
3204 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3205 flag_unsafe_math_optimizations. Use truncxf?f expander
3206 instead of truncxf?f_i387_noop.
3208 * doc/md.texi (fmod, remainder): Document standard named pattern.
3210 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3211 David Daney <ddaney@avtrex.com>
3214 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3216 2006-10-25 Ben Elliston <bje@au.ibm.com>
3218 * doc/extend.texi (Variable Attributes): Typo fix.
3220 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3222 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3223 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3224 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3225 (FRAME_POINTER_REGNUM): Update register number to 21.
3226 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3227 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3229 * config/i386/i386.c (regclass_map): Add fpcr entry.
3230 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3232 (print_reg): Assert REGNO (x) != FPCR_REG.
3234 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3235 (DIRFLAG_REG): Renumber.
3236 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3237 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3238 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3239 hardcoded SSE register numbers.
3241 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3242 hardcoded MMX register numbers.
3244 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3247 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3248 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3250 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3251 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3252 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3253 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3255 2006-10-24 Richard Guenther <rguenther@suse.de>
3258 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3259 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3260 for deciding optimizations in consistency with fold-const.c
3261 (fold_builtin_unordered_cmp): Likewise.
3263 2006-10-24 Richard Guenther <rguenther@suse.de>
3265 * builtins.c (fold_builtin_floor): Fold floor (x) where
3266 x is nonnegative to trunc (x).
3267 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3268 nonnegative to FIX_TRUNC_EXPR.
3270 2006-10-24 Richard Guenther <rguenther@suse.de>
3272 PR tree-optimization/29567
3273 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3274 for TRUTH_NOT_EXPR. Clarify comments.
3276 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3279 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3280 at compile-time using MPFR. Change parameter VALUE to FUNC,
3282 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3283 for overflow and underflow at all times and avoid folding in
3286 2006-10-24 Ben Elliston <bje@au.ibm.com>
3288 * reload1.c: Formatting fixes.
3290 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3292 PR tree-optimization/14784
3293 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3294 * tree-ssa-structalias.c (get_constraint_for,
3295 intra_create_variable_infos): Set is_heapvar.
3296 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3297 non-heapvar pointer variables specially.
3299 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3303 fold_builtin_tan): Fold all constant arguments. Take a "type"
3304 argument as necessary.
3305 (do_mpfr_arg1): New.
3306 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3308 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3310 * config/xtensa/lib1funcs.asm: Use C-style comments.
3312 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3314 * tree.c (local_define_builtin): Replace calls to
3315 lang_hooks.builtin_function with add_builtin_function.
3316 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3318 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3320 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3321 common code to add_builtin_function.
3322 * langhooks.c (add_builtin_function): New function.
3323 (lhd_builtin_function): New function.
3324 * langhooks.h (struct lang_hooks): Change the signature of
3326 (add_builtin_function): New function.
3327 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3328 calls to lang_hooks.builtin_function with add_builtin_function.
3329 * c-common.c (decl_builtin_1): Replace calls to
3330 lang_hooks.builtin_function with add_builtin_function.
3331 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3332 lang_hooks.builtin_function with add_builtin_function.
3333 * config/frv/frv.c (def_builtin): Replace calls to
3334 lang_hooks.builtin_function with add_builtin_function.
3335 * config/s390/s390.c (s390_init_builtins): Replace calls to
3336 lang_hooks.builtin_function with add_builtin_function.
3337 * config/sparc/sparc.c (def_builtin): Replace calls to
3338 lang_hooks.builtin_function with add_builtin_function.
3339 * config/i386/i386.c (def_builtin): Replace calls to
3340 lang_hooks.builtin_function with add_builtin_function.
3341 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3342 lang_hooks.builtin_function with add_builtin_function.
3343 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3344 lang_hooks.builtin_function with add_builtin_function.
3345 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3346 Replace calls to lang_hooks.builtin_function with
3347 add_builtin_function.
3348 * config/iq2000/iq2000.c (def_builtin):
3349 Replace calls to lang_hooks.builtin_function with
3350 add_builtin_function.
3351 * config/ia64/ia64.c (def_builtin): Replace calls to
3352 lang_hooks.builtin_function with add_builtin_function.
3353 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3354 lang_hooks.builtin_function with add_builtin_function.
3355 (altivec_init_builtins): Replace calls to
3356 lang_hooks.builtin_function with add_builtin_function.
3357 * config/arm/arm.c (def_mbuiltin): Replace calls to
3358 lang_hooks.builtin_function with add_builtin_function.
3359 (arm_init_tls_builtins): Replace calls to
3360 lang_hooks.builtin_function with add_builtin_function.
3361 * config/mips/mips.c (mips_init_builtins): Replace calls to
3362 lang_hooks.builtin_function with add_builtin_function.
3363 * config/bfin/bfin.c (def_builtin): Replace calls to
3364 lang_hooks.builtin_function with add_builtin_function.
3365 * langhooks-def.h (lhd_builtin_function): New function.
3366 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3368 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3370 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3371 BUILT_IN_STRNCAT_CHK.
3373 2006-10-23 Jan Hubicka <jh@suse.cz>
3375 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3376 don't do conversion from memmove to memcpy here.
3377 (expand_builtin_bcopy, expand_builtin): Update call of
3378 expand_builtin_memmove.
3379 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3381 2006-10-23 Paul Brook <paul@codesourcery.com>
3383 * stor-layout.c (start_record_layout): maximum_field_alignment
3384 overrides STRUCTURE_SIZE_BOUNDARY.
3386 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3388 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3389 nonlocal function symbols if flag_pic.
3391 2006-10-23 Richard Guenther <rguenther@suse.de>
3395 * builtins.c (fold_binary): Remove checks for flag_wrapv
3396 and flag_trapv where negate_expr_p covers these cases.
3398 2006-10-23 Richard Guenther <rguenther@suse.de>
3401 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3402 of two on the absolute value.
3403 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3404 and negating -C does not overflow.
3406 2006-10-23 Richard Guenther <rguenther@suse.de>
3409 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3410 only if not flag_rounding_math.
3412 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3413 Kaz Kojima <kkojima@gcc.gnu.org>
3416 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3417 SImode memory reference for the source of a movua.
3418 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3419 (movua): Use an unspec instead of sign_extract. Expect the source
3420 to have mode BLKmode.
3421 (extv, insv): Use a BLKmode rather than SImode memory reference
3422 for the source of a movua.
3424 2006-10-22 Jeff Law <law@redhat.com>
3425 Richard Guenther <rguenther@suse.de>
3427 PR tree-optimization/15911
3428 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3429 (register_edge_assert_for_1): Likewise.
3430 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3431 (find_conditional_asserts): Adjust for new function signature.
3432 (find_assert_locations): Likewise.
3434 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3436 * config/i386/tmmintrin.h: Remove the duplicated content.
3438 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3440 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3441 (x86_64-*-*): Likewise.
3443 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3444 (override_options): Check SSSE3.
3445 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3446 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3447 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3448 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3449 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3450 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3451 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3452 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3453 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3454 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3455 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3456 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3457 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3458 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3459 IX86_BUILTIN_PABSD128.
3460 (bdesc_2arg): Add SSSE3.
3461 (bdesc_1arg): Likewise.
3462 (ix86_init_mmx_sse_builtins): Support SSSE3.
3463 (ix86_expand_builtin): Likewise.
3464 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3466 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3467 (UNSPEC_PSIGN): Likewise.
3468 (UNSPEC_PALIGNR): Likewise.
3469 Include mmx.md before sse.md.
3471 * config/i386/i386.opt: Add -mssse3.
3473 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3474 (ssse3_phaddwv4hi3): Likewise.
3475 (ssse3_phadddv4si3): Likewise.
3476 (ssse3_phadddv2si3): Likewise.
3477 (ssse3_phaddswv8hi3): Likewise.
3478 (ssse3_phaddswv4hi3): Likewise.
3479 (ssse3_phsubwv8hi3): Likewise.
3480 (ssse3_phsubwv4hi3): Likewise.
3481 (ssse3_phsubdv4si3): Likewise.
3482 (ssse3_phsubdv2si3): Likewise.
3483 (ssse3_phsubswv8hi3): Likewise.
3484 (ssse3_phsubswv4hi3): Likewise.
3485 (ssse3_pmaddubswv8hi3): Likewise.
3486 (ssse3_pmaddubswv4hi3): Likewise.
3487 (ssse3_pmulhrswv8hi3): Likewise.
3488 (ssse3_pmulhrswv4hi3): Likewise.
3489 (ssse3_pshufbv16qi3): Likewise.
3490 (ssse3_pshufbv8qi3): Likewise.
3491 (ssse3_psign<mode>3): Likewise.
3492 (ssse3_psign<mode>3): Likewise.
3493 (ssse3_palignrti): Likewise.
3494 (ssse3_palignrdi): Likewise.
3495 (abs<mode>2): Likewise.
3496 (abs<mode>2): Likewise.
3498 * config/i386/tmmintrin.h: New file.
3500 * doc/extend.texi: Document SSSE3 built-in functions.
3502 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3504 2006-10-22 Ira Rosen <irar@il.ibm.com>
3506 * tree-vect-transform.c (vectorizable_load): Use the type of the
3507 return value of the mask_for_load builtin to create realign_load
3510 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3512 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3515 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3517 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3518 (UNSPEC_LDDQU): This.
3519 * config/i386/sse.md (sse3_lddqu): Updated.
3521 2006-10-21 Richard Guenther <rguenther@suse.de>
3523 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3524 (expand_builtin): Use it to expand lrint instead of
3525 expand_builtin_mathfn.
3527 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3530 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3531 flag_unsafe_math_optimizations is set.
3533 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3536 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3537 patterns to use memory input operand in x87->mem->XMM
3538 reload sequences. Skip transformation for TARGET_K8.
3540 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3542 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3543 force operand1 to register if both operands are memory operands.
3544 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3545 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3546 if both operands are memory operands.
3547 (truncdfsf2): Do not force operand1 to register if both operands
3548 are memory operands.
3550 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3552 * Makefile.in (LIBS): Add $(GMPLIBS).
3553 * doc/install.texi: Update GMP and MPFR requirements.
3554 * doc/sourcebuild.texi (need_gmp): Delete.
3556 2006-10-21 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/3511
3559 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3560 got new invariant arguments during PHI translation.
3562 2006-10-21 Richard Guenther <rguenther@suse.de>
3565 * fold-const.c (fold_comparison): Fold signed comparisons
3566 of the form X +- C1 CMP Y +- C2.
3568 2006-10-21 Richard Guenther <rguenther@suse.de>
3571 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3572 if flag_unsafe_math_optimizations is specified. We have
3573 flag_finite_math_only for that.
3574 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3575 or flag_unsafe_math_optimizations.
3577 2006-10-21 Richard Guenther <rguenther@suse.de>
3579 * builtins.c (fold_builtin_classify): Fix typo.
3581 2006-10-21 Richard Guenther <rguenther@suse.de>
3584 * simplify-rtx.c (simplify_const_relational_operation):
3585 Do not constant-fold ORDERED and UNORDERED for
3586 flag_unsafe_math_optimizations but only we do not need to
3587 honor NaNs for the given mode.
3589 2006-10-21 Richard Guenther <rguenther@suse.de>
3592 * config/i386/i386.c (classify_argument): Remove redundant
3593 walking of the BINFOs.
3594 (contains_128bit_aligned_vector_p): Likewise.
3596 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3598 * BASE-VER: Set to 4.3.0.
3600 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3602 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3603 (tree_decl_with_vis): Remove artificial_pta_var flag.
3604 * tree-flow.h (referenced_var_check_and_insert): Expose.
3605 (nonlocal_all): New prototype.
3606 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3607 (nonlocal_all): Make global.
3608 (nonlocal_lookup): Remove.
3609 (nonlocal_insert): Ditto.
3610 (create_nonlocal_var): Do not call nonlocal_insert.
3611 (get_nonlocal_id_for_type): Remove.
3612 (find_global_initializers): Mark new vars we find for renaming.
3613 (intra_create_variable_infos): Only create one nonlocal.
3614 (expand_nonlocal_solutions): Remove.
3615 (compute_points_to_sets): Don't call it.
3616 (ipa_pta_execute): Ditto.
3617 (init_alias_heapvars): Don't create nonlocal_for_type.
3618 (delete_alias_heapvars): Don't remove it.
3619 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3622 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3624 * doc/install.texi (Downloading GCC): Clarify mention of
3625 Fortran in the "full distribution" description.
3627 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3629 Fix PR tree-optimization/28778
3630 Fix PR tree-optimization/29156
3631 Fix PR tree-optimization/29415
3632 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3633 (tree_decl_with_vis): Add artificial_pta_var flag.
3634 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3635 pushed into callers.
3636 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3637 (nonlocal_all): Ditto.
3638 (struct variable_info): Add directly_dereferenced member.
3639 (var_escaped_vars): New variable.
3640 (escaped_vars_tree): Ditto.
3641 (escaped_vars_id): Ditto.
3642 (nonlocal_vars_id): Ditto.
3643 (new_var_info): Set directly_dereferenced.
3644 (graph_size): New variable
3645 (build_constraint_graph): Use graph_size.
3646 (solve_graph): Don't process constraints that cannot change the
3647 solution, don't try to propagate an empty solution to our
3649 (process_constraint): Set directly_dereferenced.
3650 (could_have_pointers): New function.
3651 (get_constraint_for_component_ref): Don't process STRING_CST.
3652 (nonlocal_lookup): New function.
3653 (nonlocal_insert): Ditto.
3654 (create_nonlocal_var): Ditto.
3655 (get_nonlocal_id_for_type): Ditto.
3656 (get_constraint_for): Allow results vector to be empty in the case
3657 of string constants.
3658 Handle results of calls properly.
3659 (update_alias_info): Update alias info stats on number and type of
3661 (find_func_aliases): Use could_have_pointers.
3662 (make_constraint_from_escaped): Renamed from
3663 make_constraint_to_anything, and changed to make constraints from
3665 (make_constraint_to_escaped): New function.
3666 (find_global_initializers): Ditto.
3667 (create_variable_info_for): Make constraint from escaped to any
3668 global variable, and from any global variable to the set of
3670 (intra_create_variable_infos): Deal with escaped instead of
3671 pointing to anything.
3672 (set_uids_in_ptset): Do type pruning on directly dereferenced
3674 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3675 (init_base_vars): Fix comment, and initialize escaped_vars.
3676 (need_to_solve): Removed.
3677 (find_escape_constraints): New function.
3678 (expand_nonlocal_solutions): Ditto.
3679 (compute_points_to_sets): Call find_escape_constraints and
3680 expand_nonlocal_solutions.
3681 (delete_points_to_sets): Don't fall off the end of the graph.
3682 (init_alias_heapvars): Initialize nonlocal_for_type and
3684 (delete_alias_heapvars): Free nonlocal_for_type and null out
3687 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3689 * fold-const.c (add_double): Rename to add_double_with_sign.
3690 Add 'unsigned_p' parameter and take it into account for the overflow.
3691 (mul_double): Rename to mul_double_with_sign.
3692 Add 'unsigned_p' parameter and take it into account for the overflow.
3693 (fold_div_compare): Call add_double_with_sign instead of add_double
3694 and mul_double_with_sign instead of mul_double, passing them the
3695 unsignedness of the type.
3696 * tree.h (add_double): Macroize.
3697 (add_double_with_sign): New prototype.
3698 (mul_double): Macroize.
3699 (mul_double_with_sign): New prototype.
3701 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3703 * config/score/crti.asm: New file.
3704 * config/score/crtn.asm: New file.
3705 * config/score/elf.h: New file.
3706 * config/score/mac.md: New file.
3707 * config/score/misc.md: New file.
3708 * config/score/mul-div.S: New file.
3709 * config/score/predicates.md: New file.
3710 * config/score/score7.md: New file.
3711 * config/score/score.c: New file.
3712 * config/score/score-conv.h: New file.
3713 * config/score/score.h: New file.
3714 * config/score/score.md: New file.
3715 * config/score/score-mdaux.c: New file.
3716 * config/score/score-mdaux.h: New file.
3717 * config/score/score-modes.def: New file.
3718 * config/score/score.opt: New file.
3719 * config/score/score-protos.h: New file.
3720 * config/score/score-version.h: New file.
3721 * config/score/t-score-elf: New file.
3722 * config.gcc: Add score*-*-* configurations(Update before).
3723 * doc/invoke.texi (Score Options): New section.
3724 * doc/md.texi (Score family): New section to document constraints.
3726 2006-10-19 Nick Clifton <nickc@redhat.com>
3728 * config/arm/arm.c: Fix spelling typo.
3730 2006-10-18 Tom Tromey <tromey@redhat.com>
3732 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3734 2006-10-18 Jan Hubicka <jh@suse.cz>
3737 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3740 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3742 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3743 TSI_SAME_STMT, since that's the desired entity.
3745 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3747 * config/s390/contraints.md: New file.
3748 * config/s390/s390-protos.h (s390_mem_constraint,
3749 s390_O_constraint_str, s390_N_constraint_str,
3750 s390_float_const_zero_p): Function prototypes added.
3751 * config/s390/s390.c (s390_extra_constraint_str,
3752 s390_const_double_ok_for_constraint_p,
3753 s390_const_ok_for_constraint_p): Functions removed.
3754 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3755 s390_float_const_zero_p): New functions.
3756 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3757 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3758 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3759 Macro definitions removed.
3760 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3761 s390_extra_constraint_str): Functions removed.
3763 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3764 Richard Sandiford <richard@codesourcery.com>
3767 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3768 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3770 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3772 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3773 (DWARF2_FRAME_REG_OUT): Likewise.
3774 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3775 (DWARF2_FRAME_REG_OUT): Likewise.
3777 2006-10-17 Paul Brook <paul@codesourcery.com>
3779 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3781 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3783 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3784 Standardize on "GNU Fortran" as the official name of the Fortran
3787 2006-10-16 Mike Stump <mrs@apple.com>
3789 * doc/invoke.texi (Darwin Options): Document -mkernel.
3790 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3792 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3793 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3794 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3795 (OS_MISSING_ALTIVEC): Add.
3796 * config/i386/i386.c (override_options): Add
3797 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3798 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3799 -mkernel, -static or -mdynamic-no-pic is given.
3800 (C_COMMON_OVERRIDE_OPTIONS): Add.
3801 * config/darwin.opt (fapple-kext): Add.
3803 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3804 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3806 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3807 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3808 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3809 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3810 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3811 (flag_mkernel): Add.
3812 (flag_apple_kext): Add.
3813 (TARGET_KEXTABI): Add.
3814 * config/darwin.c (darwin_handle_kext_attribute): Add.
3815 (DARWIN_VTABLE_P): Add.
3816 (darwin_binds_local_p): Add partial support for rebinding vtables
3818 (darwin_kextabi_p): Add.
3819 (darwin_override_options): Add.
3820 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3821 (darwin_kextabi_p): Add.
3822 (darwin_override_options): Add.
3823 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3824 __DYNAMIC__ and __STATIC__ here.
3826 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3828 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3829 Added mention of "make pdf" target, and Texinfo requirements for
3832 2006-10-16 DJ Delorie <dj@redhat.com>
3834 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3835 into the GOT in case we need a subreg of the address.
3837 2006-10-16 Richard Guenther <rguenther@suse.de>
3840 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3841 SSE builtin documentation. Document SSE2 builtins.
3843 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3845 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3846 symbol in the output file for non-shared links when -nostdlib or
3847 -nodefaultlibs isn't specified.
3849 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3850 posix thread support.
3852 2006-10-15 Jan Hubicka <jh@suse.cz>
3855 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3856 declared always_inline even when not inlining.
3858 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3859 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3860 Andrew Pinski <pinskia@gmail.com>
3863 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3865 2006-10-15 Jan Hubicka <jh@suse.cz>
3866 Richard Guenther <rguenther@suse.de>
3869 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3870 process_function_and_variable_attributes on all variables, including
3871 those discovered during cgraph construction phase.
3873 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3875 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3877 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3879 * config/i386/athlon.md (athlon_fist): Add fisttp.
3881 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3882 Ian Lance Taylor <ian@airs.com>
3885 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3886 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3889 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3891 * config/score/score.c, config/score/score.h: Fix comment
3894 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3897 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3900 2006-10-13 Eric Christopher <echristo@apple.com>
3902 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3904 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3907 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3908 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3909 alignment supported by 32-bit ELF.
3911 2006-10-13 Eric Christopher <echristo@apple.com>
3913 * config/darwin.c (darwin_emit_unwind_label): Strip
3914 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3916 2006-10-13 Richard Guenther <rguenther@suse.de>
3918 PR tree-optimization/29446
3919 * tree-vrp.c (fix_equivalence_set): Remove.
3920 (extract_range_from_assert): Do not call fix_equivalence_set.
3921 (debug_value_range): Print a newline.
3922 (compare_name_with_value): For equivalence sets with
3923 inconsistent value ranges conservatively bail out.
3924 (compare_names): Likewise.
3926 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3928 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3929 and MPFR for gfortran.
3931 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3933 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3934 alignment supported by 32-bit ELF.
3936 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3940 * c-typeck.c (digest_init): Always allow initializing vectors
3941 that have static storage duration with compound literals.
3942 * tree.c (build_type_attribute_qual_variant): New, based on
3943 build_type_attribute_variant.
3944 (build_type_attribute_variant): Rewrite using the former.
3945 (make_vector_type): Use build_type_attribute_qual_variant to build
3946 type variants. Use type_hash_canon on the others.
3948 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3949 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3951 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3953 2006-10-12 Jan Hubicka <jh@suse.cz>
3956 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3957 current_function_decl is set but current_function_scope is not.
3959 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3961 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3962 emit_insn to emit eh_return_internal instruction.
3963 (eh_return_internal): Explicitly set pc.
3965 2006-10-11 Richard Guenther <rguenther@suse.de>
3967 PR tree-optimization/28230
3968 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3969 to the correct place.
3971 2006-10-11 Richard Guenther <rguenther@suse.de>
3974 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3977 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3979 * configure.ac: Added pdf to "Make-hooks"
3980 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3981 targets and *.pdf file patterns in cleanup targets.
3982 * configure: Regenerated.
3984 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3986 * config/avr/predicates.md: New file.
3987 * config/avr/avr.md: Include it.
3988 (REG_SP): New constant.
3989 (peepholes): Use predicates.
3990 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3991 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3992 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3994 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3996 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3999 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4002 * builtins.c (var_decl_component_p): New function.
4003 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4004 single entry optimization to variables and components thereof.
4006 2006-10-10 Richard Guenther <rguenther@suse.de>
4008 PR rtl-optimization/29323
4009 * except.c (set_nothrow_function_flags): For functions
4010 that do not bind local bail out early.
4012 2006-10-10 Ben Elliston <bje@au.ibm.com>
4014 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4017 2006-10-09 Richard Henderson <rth@redhat.com>
4019 Revert emutls patch.
4021 2006-10-09 Richard Guenther <rguenther@suse.de>
4024 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4027 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4030 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4031 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4032 * configure: Regenerate.
4033 * config.in: Regenerate.
4035 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4037 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4039 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4041 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4042 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4043 Remove stray newline.
4045 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4047 * config/mips/mips.c (mips_classify_symbol): Do not return
4048 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4049 (mips_in_small_data_p): Tweak comments.
4051 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4053 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4055 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4057 * gimplify.c, sched-int.h: Fix comment typos.
4059 * sched-int.h: Fix comment typos.
4061 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4063 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4065 * sched-ebb.c (begin_schedule_ready): Use them.
4066 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4067 add_to_speculative_block, create_check_block_twin, speculate_insn,
4068 fix_jump_move, move_block_after_check): Ditto.
4069 * sched-rgn.c (new_ready): Ditto.
4071 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4073 PR rtl-optimization/29128
4074 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4075 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4076 allow interblock movement of speculation checks.
4078 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4081 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4082 casted to integer type.
4083 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4084 if they are significantly more expensive than [reg + index] ones.
4086 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4088 PR tree-optimization/29330
4089 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4090 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4091 on newly allocated ddrs.
4092 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4093 to VEC (loop_p, heap) pointer.
4094 (compute_data_dependences_for_loop): Adjust caller.
4095 (free_dependence_relations): Free DDR_LOOP_NEST.
4097 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4098 free DEPENDENCE_RELATIONS and DATAREFS.
4101 * builtins.c (expand_builtin_sync_operation,
4102 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4103 Use convert_to_mode to handle promoted arguments.
4105 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4107 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4109 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4111 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4113 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4115 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4116 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4117 Use <modeconstraint> instead of "r" as operand 1 constraint.
4119 2006-10-06 Olivier Hainque <hainque@adacore.com>
4121 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4122 Don't recurse on the pointed-to type.
4123 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4124 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4125 types with components of variable size.
4127 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4129 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4131 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4133 PR tree-optimization/29290
4134 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4138 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4139 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4142 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4143 the number of vector elements fill the rest with zeros.
4145 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4147 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4148 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4151 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4153 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4154 unnamed pattern into subsi3. Use correct constraints/predicates.
4155 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4156 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4158 2006-10-05 Ira Rosen <irar@il.ibm.com>
4160 * doc/loop.texi: Add data references analysis description.
4162 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4164 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4166 2006-10-04 Richard Henderson <rth@redhat.com>
4167 Jakub Jelinek <jakub@redhat.com>
4169 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4170 * builtin-types.def (BT_WORD): Make unsigned.
4171 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4172 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4173 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4174 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4175 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4176 * cgraph.c (decide_is_variable_needed): Look at force_output.
4177 Recurse for emulated tls.
4178 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4179 checks redundant with decide_is_variable_needed.
4180 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4181 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4183 * expr.c (emutls_var_address): New.
4184 (expand_expr_real_1): Expand emulated tls.
4185 (expand_expr_addr_expr_1): Likewise.
4186 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4187 * output.h (emutls_finish): Declare.
4188 * toplev.c (compile_file): Call it.
4189 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4190 address before wrapping in CONST.
4191 * varasm.c (emutls_htab, emutls_object_type): New.
4192 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4193 (get_emutls_object_name, get_emutls_object_type): New.
4194 (get_emutls_init_templ_addr, emutls_decl): New.
4195 (emutls_common_1, emutls_finish): New.
4196 (assemble_variable): When emulating tls, swap decls; generate
4197 constructor for the emutls objects.
4198 (do_assemble_alias): When emulating tls, swap decl and target name.
4199 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4201 * emutls.c: New file.
4202 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4203 tls_object for real tls.
4205 2006-10-04 Zack Weinberg <zackw@panix.com>
4207 Fix bug in constraint-check generator, reported by Rask Ingemann
4209 * genpreds.c (add_constraint): Don't remove anything from the
4211 (write_tm_constrs_h): Detect whether "op" argument is used, and
4212 mark it ARG_UNUSED if it isn't.
4213 (write_insn_const_int_ok_for_constraint): Skip the part of the
4214 expression that would test whether "op" (which is not available
4215 here) is a CONST_INT.
4217 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4220 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4222 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4224 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4225 current Leopard versions.
4226 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4228 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4230 * doc/install.texi: Fix typos.
4232 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4234 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4235 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4236 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4238 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4240 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4241 arg to be struct mach_header_64* instead.
4243 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4246 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4247 side effects after the outer expression's post side effects.
4249 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4251 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4252 comments to reflect actual behavior and relationship between
4253 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4255 * doc/c-tree.texi (Working with declarations): Fix documentation
4256 of FIELD_DECL likewise.
4258 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4261 * doc/extend.texi: Add used variable attribute description.
4263 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4266 * c.opt (Woverride-init): New.
4267 * c-opts.c (c_common_post_options): Default warn_override_init to
4269 * c-typeck.c (add_pending_init, output_init_element): Warn for
4270 overriding initializers without side effects.
4271 * doc/invoke.texi (-Woverride-init): Document.
4274 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4276 PR rtl-optimization/28096
4277 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4278 assignment has already been used as a destination earlier in the block.
4280 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4282 * builtins.c (expand_builtin_setjmp): Delete.
4283 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4284 <BUILT_IN_SETJMP_SETUP>: New case.
4285 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4286 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4287 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4288 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4289 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4290 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4291 (lower_function_body): Initialize it to false. If it is set to true
4292 at the end of the processing, emit the setjmp dispatcher.
4293 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4294 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4295 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4296 on the rhs of the assignment.
4297 (lower_builtin_setjmp): New function.
4298 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4299 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4300 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4301 to detect calls that can go to non-local labels. Use specific
4302 helper to create the abnormal edges associated with them.
4303 <MODIFY_EXPR>: Likewise.
4304 (make_abnormal_goto_edges): New function extracted from...
4305 (make_goto_expr_edges): ...here. Call it for computed gotos.
4306 (simple_goto_p): Minor tweak.
4307 (tree_can_make_abnormal_goto): New predicate.
4308 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4309 (tree_purge_dead_abnormal_call_edges): New function.
4310 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4311 (tree_purge_dead_abnormal_call_edges): Likewise.
4312 (make_abnormal_goto_edges): Likewise.
4313 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4314 Purge all dead abnormal edges if the call was in the last statement.
4315 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4316 (execute_fixup_cfg): If there are non-local labels in the function,
4317 scan the basic blocks and split them at calls that can go to non-local
4318 labels or add missing abnormal call edges. Write down the CFG in the
4320 (pass_fixup_cfg): Remove TODO_dump_func flag.
4321 * unwind-sjlj.c: Poison setjmp.
4322 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4323 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4324 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4325 (DONT_USE_BUILTIN_SETJMP): Document it.
4327 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4330 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4331 to 1 when __ppc64__ is defined.
4332 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4334 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4336 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4338 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4339 * config/ia64/unwind-hpux.c: Delete.
4341 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4343 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4344 on the element before gimplifying it, instead of punting if it is of
4347 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4349 * doc/loop.texi: New file.
4350 * doc/gccint.texi: Reference loop.texi.
4351 * Makefile.in (loop.texi): Add.
4353 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4355 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4357 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4358 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4360 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4362 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4364 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4366 * doc/install.texi: Document required versions of GMP and MPFR.
4368 2006-09-27 Paul Brook <paul@codesourcery.com>
4371 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4373 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4375 * reload1.c (alter_reg): Require the alignment of the stack slot to
4376 be at least reg_max_ref_width bytes.
4377 (scan_paradoxical_subregs): Record the largest width in
4380 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4384 * tree-nested.c (struct nesting_info): Added static_chain_added.
4385 (convert_call_expr): Set static_chain_added when adding static
4386 chain. Handle OMP_PARALLEL and OMP_SECTION.
4388 2006-09-25 Matthias Klose <doko@debian.org>
4390 * doc/invoke.texi: Add missing full stop.
4392 2006-09-25 Richard Henderson <rth@redhat.com>
4394 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4395 before cgraph_function_flags_ready.
4397 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4398 Adam Nemet <anemet@caviumnetworks.com>
4400 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4401 determine_common_wider_type): New functions.
4402 (get_computation_aff): Use them to simplify arithmetic between
4403 UBASE and CBASE if they are shortened from the same type.
4405 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4408 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4409 -2147483647 - 1 instead of 0x80000000.
4411 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4413 * flags.h (HONOR_NANS): Fix typo in comment.
4415 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4417 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4419 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4423 * tree.c (merge_attributes, attribute_list_contained): If both
4424 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4426 * c-typeck.c (comptypes_internal): Don't consider aggregates
4427 in different TUs as compatible if there one set of attributes is
4428 not a subset of the other type's attributes.
4429 (composite_type): Try harder not to create a new aggregate type.
4431 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4433 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4434 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4435 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4436 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4437 than replicating condition above.
4438 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4440 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4441 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4442 the linker by default.
4444 2006-09-22 Mike Stump <mrs@apple.com>
4446 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4449 2006-09-22 Richard Guenther <rguenther@suse.de>
4452 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4453 sort of stack variables stable.
4455 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4458 * explow.c (force_reg): Set REG_POINTER flag according to
4461 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4463 PR tree-optimization/28888
4464 * tree-if-conv.c (combine_blocks): Rewritten.
4465 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4466 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4468 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4470 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4473 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4475 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4477 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4479 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4481 2006-09-21 Roger Sayle <roger@eyesopen.com>
4484 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4485 dw_fde_current_label, to be the start of the function, i.e. the same
4486 value as dw_fde_begin.
4488 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4490 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4491 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4492 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4493 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4494 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4495 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4496 (abs<mode>2, neg<mode>2): Likewise.
4497 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4498 (*mips_abs_ps): New define_insn.
4500 2006-09-20 Josh Conner <jconner@apple.com>
4503 * calls.c (expand_call): Allow reuse of structure return stack
4506 2006-09-20 Paul Brook <paul@codesourcery.com>
4508 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4511 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4513 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4514 clean up terminology.
4516 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4519 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4520 with tablejumps in them.
4522 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4525 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4526 wrap it into TARGET_EXPR.
4528 2006-09-20 Eric Christopher <echristo@apple.com>
4530 * config/i386/i386.c (x86_fisttp): Remove.
4531 * config/i386/i386.h (x86_fisttp): Ditto.
4532 (TARGET_FISTTP): Ditto.
4534 2006-09-19 Eric Christopher <echristo@apple.com>
4536 * doc/tm.texi (OBJC_JBLEN): Describe.
4537 * config/i386/darwin.h (OBJC_JBLEN): Define.
4538 * config/rs6000/darwin.h: Ditto.
4540 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4542 PR rtl-optimization/21299
4543 * reload1.c (reload): Purge invalid ASMs in the final pass.
4545 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4548 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4549 pointers as legitimate constants.
4551 2006-09-19 Paul Brook <paul@codesourcery.com>
4554 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4556 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4558 PR tree-optimization/28887
4559 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4560 component parts from the reference.
4561 (gather_memory_references_ref): Record the reference without the
4562 nonaddressable component parts.
4564 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4567 * c-opts.c (c_common_handle_option): Ignore the -std options
4568 if the input language is assembly.
4570 2006-09-17 Ira Rosen <irar@il.ibm.com>
4573 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4575 (ptr_ptr_may_alias_p): Likewise.
4576 (record_record_differ_p): New function.
4577 (base_object_differ_p): Call record_record_differ_p.
4579 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4582 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4583 away for the expr argument.
4585 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4588 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4589 before using it for dumping after vectorizing loops.
4591 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4592 Jack Howarth <howarth@bromo.med.uc.edu>
4595 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4596 skip on error_mark_node.
4597 (rs6000_darwin64_record_arg_recurse): Likewise.
4599 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4601 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4602 * doc/rtl.texi: Remove related documentation.
4604 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4606 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4609 2006-09-15 Jim Wilson <wilson@specifix.com>
4611 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4612 Handle symbol offsets same as they are handled in ia64_expand_move
4615 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4617 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4618 Add forgotten parameter to the fprintf call.
4620 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4622 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4624 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4626 * doc/contrib.texi: Add my entry.
4628 2006-09-15 Nick Clifton <nickc@redhat.com>
4630 * doc/md.texi (Processor pipeline description): Fix typo in
4631 example of how to use the absence_set directive and reword the
4632 description to make it slightly easier to read.
4634 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4636 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4637 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4638 expanding the number of iterations.
4639 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4641 * cfgrtl.c (emit_insn_at_entry): New function.
4642 * rtl.h (emit_insn_at_entry): Declare it.
4643 * integrate.c (emit_initial_value_sets): Use it.
4645 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4647 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4649 (struct loop_work and related VEC declarations): Delete.
4650 (bfin_dump_loops): Print out new member bad.
4651 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4652 (bfin_scan_loop): Don't recurse.
4653 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4654 loops. No longer need to update outer loops if the current one is
4655 found bad. Move some validitiy checks to bfin_discover_loop.
4656 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4657 but changed not to check for nesting. Also changed to use the new bad
4659 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4660 time. Use bitmap based test to discover loop nesting.
4662 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4664 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4667 2006-09-14 Richard Guenther <rguenther@suse.de>
4668 Kazu Hirata <kazu@codesourcery.com>
4670 PR middle-end/28884.
4671 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4672 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4673 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4674 with TARGET_FUNCTION_VALUE.
4676 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4679 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4681 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4683 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4686 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4689 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4692 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4694 * basic_block.h (bb_has_eh_pred): Fix comment.
4696 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4698 * flow.c (calculate_global_regs_live): Invalidate eh registers
4699 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4700 (propagate_block): Handle eh registers as if they were set at basic
4702 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4704 * global.c (global_conflicts): Make eh registers to conflict with
4705 pseudos live at basic block begin.
4706 * basic_block.h (bb_has_eh_pred): New function.
4708 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4710 PR rtl-optimization/28982
4711 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4712 index of a PRE_MODIFY or POST_MODIFY address.
4713 * reload1.c (inc_for_reload): Use find_replacement on the original
4714 base and index registers.
4716 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4718 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4719 for -Os. Update __m128 alignment requirement.
4721 2006-09-13 Jan Hubicka <jh@suse.cz>
4723 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4725 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4727 PR rtl-optimization/28243
4728 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4729 the insn to which the note was originally attached.
4731 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4732 Roger Sayle <roger@eyesopen.com>
4734 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4735 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4736 on platforms that don't use dwarf for debug info.
4738 2006-09-12 Jason Merrill <jason@redhat.com>
4741 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4742 hard_frame_pointer_rtx after using it to update the frame pointer.
4744 2006-09-12 Roger Sayle <roger@eyesopen.com>
4746 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4747 (TARGET_ASM_CLOSE_PAREN): Likewise.
4748 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4749 (TARGET_ASM_CLOSE_PAREN): Likewise.
4751 2006-09-12 Roger Sayle <roger@eyesopen.com>
4754 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4755 frame information for frames larger than 512 Kbytes on Tru64 when
4756 using the native assembler.
4758 2006-09-12 Roger Sayle <roger@eyesopen.com>
4762 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4763 and symbols. Instead use the implementation from cse.c's hash_rtx.
4765 2006-09-12 Jan Hubicka <jh@suse.cz>
4767 PR rtl-optimization/28071
4768 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4769 (vect_transform_loop): Likewise.
4770 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4771 (new_loop_vec_info): Likewise.
4772 (destroy_loop_vec_info): Likewise.
4773 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4774 (create_stmt_ann): Likewise.
4775 (create_tree_ann): Rename to ...
4776 (create_tree_common_ann): ... this one; allocate only the common part
4778 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4779 (get_value_handle): Likewise.
4780 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4781 get_tree_common_ann.
4782 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4783 (vinfo_for_stmt): Use stmt annotations.
4784 * tree-flow.h (tree_ann_common_t): New type.
4785 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4786 (tree_ann, get_tree_ann, create_tree_ann): New.
4787 * tree-flow-inline.h (get_function_ann): Do more type checking.
4788 (stmt_ann): Likewise.
4789 (tree_ann): Rename to ...
4790 (tree_common_ann): ... this one; return ony common_ann
4791 (get_tree_ann): Rename to ...
4792 (tree_common_ann): This one; return only common_ann.
4793 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4796 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4798 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4799 with_cpu by default.
4801 * dwarf2out.c (dwarf_file_data): New.
4802 (enum dw_val_class): Add dw_val_class_file.
4803 (struct dw_val_struct): Add val_file.
4804 (file_table): Change to a hash table.
4805 (file_table_emitted): Delete.
4806 (file_table_last_lookup_index): Delete.
4807 (emitcount): Delete.
4808 (last_emitted_file): New.
4809 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4810 (init_file_table): Delete.
4811 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4812 (AT_addr): Add comment.
4816 (print_die): Handle dw_val_class_file.
4817 (print_dwarf_line_table): Update for new file table structure.
4818 (attr_checksum): Do checksum a filename.
4819 (same_dw_val_p, same_attr_p): Do compare a filename.
4820 (size_of_die): Handle dw_val_class_file.
4821 (value_format): Likewise.
4822 (output_die): Likewise. Also, call maybe_emit_file here.
4823 (struct file_info): Constify filenames. Make file_idx a pointer
4824 to a struct dwarf_file_data.
4825 (struct dir_info): Constify directory names. Remove 'used' field.
4826 (struct file_name_acquire_data): New.
4827 (file_name_acquire): New.
4828 (output_file_names): Modify to handle new file data structures.
4829 (add_src_coords_attributes): Use add_AT_file.
4830 (add_call_src_coords_attributes): Likewise.
4831 (dwarf2out_imported_module_or_decl): Likewise.
4832 (gen_subprogram_die): Modify for new file data structures.
4833 (gen_variable_die): Likewise.
4834 (file_table_eq): New.
4835 (file_table_hash): New.
4836 (file_table_last_lookup): New.
4837 (lookup_filename): Rewrite to handle new file data structures.
4838 (maybe_emit_file): Rewrite to handle new file data structures.
4839 (dwarf2out_source_line): Always call lookup_filename and
4841 (dwarf2out_init): Create file_table here.
4842 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4843 (file_table_relative_p): New.
4844 (dwarf2out_finish): Change detection of relative filenames
4845 to work with new file data structures. Move output_line_info call
4846 after debug_info output.
4848 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4853 * config/i386/i386.c (override_options): Always default to 16
4854 byte stack boundary.
4856 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4859 * var-tracking.c (dump_dataflow_set): Start dumping at
4861 (clobber_variable_part): Kill only the variable part in
4862 registers holding it, leaving other variables alone.
4864 2006-09-11 Josh Triplett <josh@freedesktop.org>
4866 * doc/extend.texi (Other Builtins): Actually use the macro
4867 argument in the documentation example for
4868 __builtin_types_compatible_p.
4870 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4872 PR rtl-optimization/28726
4873 * sched-deps.c (sched_analyze_reg): New function extracted from...
4874 (sched_analyze_1): ...here. Call it to analyze references to
4875 registers. Treat again writes to a stack register as writing to the
4877 (sched_analyze_2): ...and here. Call it to analyze references to
4878 registers. Treat again reads of a stack register as reading the
4881 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4882 David Edelsohn <edelsohn@gnu.org>
4885 * config/rs6000/spe.md (frob_df_di): Remove %H.
4886 (frob_di_df): Remove %H. Change evmergelo to mr.
4887 (frob_di_df_2): Remove %H. Change evldd to two loads.
4889 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4891 * doc/cpp.texi: Fix names of charset options.
4893 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4896 * config/i386/i386.c (override_options): Use 128-bit
4897 stack boundary always for 64bits.
4899 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4901 PR rtl-optimization/28636
4902 * combine.c (force_to_mode): Test for side-effects before
4903 substituting by zero.
4904 (simplify_shift_const): Likewise for zero or other constants.
4906 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4909 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4912 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4915 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4916 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4917 returned by mode_for_size, rather than the mode of src itself,
4918 to choose between 32-bit and 64-bit patterns.
4919 (mips_mem_fits_mode_p): New function.
4920 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4921 that the size of the source matches the size of the destination.
4922 (mov_<store>l, mov_<store>r): Likewise.
4924 2006-09-10 Eric Christopher <echristo@apple.com>
4926 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4929 2006-09-09 Eric Christopher <echristo@apple.com>
4932 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4935 2006-09-09 Roger Sayle <roger@eyesopen.com>
4936 Nicolas Setton <setton@adacore.com>
4938 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4940 2006-09-10 Andreas Schwab <schwab@suse.de>
4942 * config/m68k/m68k.md (bungt_rev): New pattern.
4944 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4945 Dale Johannesen <dalej@apple.com>
4948 * regclass.c (struct reg_pref): Update documentation.
4949 (regclass): Set prefclass to NO_REGS if memory is the best option.
4950 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4952 2006-09-08 Eric Christopher <echristo@apple.com>
4954 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4955 * config/t-slibgcc-darwin: Support x86_64 multilib.
4956 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4957 Return 1 for x86_64-darwin.
4958 * config/i386/t-darwin: Add m64 multilib.
4959 (LIB2_SIDITI_CONV_FUNCS): Use.
4960 (LIB2FUNCS_EXTRA): Ditto.
4961 * config/i386/darwin.h: Support x86_64.
4962 * config/i386/i386.c (override_options): Turn on flag_pic
4963 for x86_64-darwin. Disable flag_omit_pointer.
4964 (get_pc_thunk_name): Assert !TARGET_64BIT.
4965 (legitimate_address_p): Disable machopic addressing for
4967 (legitimize_pic_address): Ditto.
4968 (ix86_expand_move): Ditto.
4969 (ix86_expand_call): Ditto.
4970 (machopic_output_stub): Ditto.
4971 * config/darwin.c (machopic_select_section): Support literal16.
4972 (machopic_select_rtx_section): Ditto.
4973 * config/darwin-sections.def: Ditto.
4974 * config/darwin-64.c: New.
4976 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4979 * c-tree.h (struct c_arg_info): Add pending_sizes.
4980 * c-parser.c (c_parser_parms_declarator,
4981 c_parser_parms_list_declarator): Initialize pending_sizes.
4982 * c-decl.c (get_parm_info): Initialize pending_sizes.
4983 (get_parm_info): Set pending_sizes.
4984 (grokdeclarator): Call put_pending_sizes for parameters for
4985 function definition only.
4987 2006-09-07 Jason Merrill <jason@redhat.com>
4990 * varasm.c (output_constant): Only strip actual no-op conversions.
4993 * config/i386/i386.c (override_options): Use 128-bit
4994 stack boundary if -msse.
4996 2006-09-07 Eric Christopher <echristo@apple.com>
4998 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5000 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5003 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5005 * dwarf2out.c: Remove strange characters from comment above
5006 dwarf2out_frame_debug_expr.
5008 2006-09-07 Eric Christopher <echristo@apple.com>
5010 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5011 * config/darwin.h: ... to here.
5013 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5015 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5017 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5018 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5020 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5021 TARGET_PARTIAL_FLAG_REG_STALL.
5022 (*ashldi3_cconly_rex64): Likewise.
5023 (*ashlsi3_cmp): Likewise.
5024 (*ashlsi3_cconly): Likewise.
5025 (*ashlsi3_cmp_zext): Likewise.
5026 (*ashlhi3_cmp): Likewise.
5027 (*ashlhi3_cconly): Likewise.
5028 (*ashlqi3_cmp): Likewise.
5029 (*ashlqi3_cconly): Likewise.
5030 (*ashrdi3_cmp_rex64): Likewise.
5031 (*ashrdi3_cconly_rex64): Likewise.
5032 (*ashrsi3_cmp): Likewise.
5033 (*ashrsi3_cconly): Likewise.
5034 (*ashrsi3_cmp_zext): Likewise.
5035 (*ashrhi3_cmp): Likewise.
5036 (*ashrhi3_cconly): Likewise.
5037 (*ashrqi3_cmp): Likewise.
5038 (*ashrqi3_cconly): Likewise.
5039 (*lshrdi3_cmp_rex64): Likewise.
5040 (*lshrdi3_cconly_rex64): Likewise.
5041 (*lshrsi3_cmp): Likewise.
5042 (*lshrsi3_cconly): Likewise.
5043 (*lshrsi3_cmp_zext): Likewise.
5044 (*lshrhi3_cmp): Likewise.
5045 (*lshrhi3_cconly): Likewise.
5046 (*lshrqi2_cmp): Likewise.
5047 (*lshrqi2_cconly): Likewise.
5049 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5052 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5053 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5054 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5055 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5056 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5057 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5058 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5059 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5060 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5061 implement only CC setting effects of shift instructions.
5063 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5065 * doc/contrib.texi: Add myself.
5067 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5070 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5071 was set by the user.
5073 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5076 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5077 (divsi_inv_m1): Use them.
5078 (UNSPEC_DIV_INV_TABLE): New constant.
5080 2006-09-06 James E Wilson <wilson@specifix.com>
5083 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5084 then call count_or_remove_death_notes.
5086 2006-09-06 Jason Merrill <jason@redhat.com>
5089 * tree-inline.c (copy_result_decl_to_var): New fn.
5090 (declare_return_variable): Use it. Call declare_inline_vars here.
5091 (expand_call_inline): Not here.
5093 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5095 * doc/contrib.texi: Update my entry.
5097 2006-09-06 Nick Clifton <nickc@redhat.com>
5099 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5101 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5104 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5105 (canonicalize_induction_variables): Likewise.
5106 (tree_unroll_loops_completely): Likewise.
5107 (tree_ssa_prefetch_arrays): Likewise.
5108 (remove_empty_loops): Likewise.
5109 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5110 TODO_cleanup_cfg instead of directly calling
5111 cleanup_tree_cfg_loop.
5112 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5114 (tree_unroll_loops_completely): Likewise.
5115 (remove_empty_loops): Likewise.
5116 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5117 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5118 of tree_ssa_unswitch_loops.
5119 (tree_ssa_loop_ivcanon): Use the return value of
5120 canonicalize_induction_variables.
5121 (tree_ssa_empty_loop): Use the return value of
5123 (tree_complete_unroll): Use the return value of
5124 tree_unroll_loops_completely.
5125 (tree_ssa_loop_prefetch): Use the return value of
5126 tree_ssa_prefetch_arrays.
5127 * passes.c (execute_todo): Before Cleanup CFG, set
5128 updating_used_alone and after cleanup CFG, call
5129 recalculate_used_alone.
5131 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5134 * tree-vect-transform.c (vectorizable_condition): Move the check
5135 for the type after the check for simple condition.
5137 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5138 Kaz Kojima <kkojima@gcc.gnu.org>
5141 * mode-switching.c (optimize_mode_switching): Make the destination
5142 block of an abnormal edge have no anticipatable mode. Don't
5143 insert mode switching code at the end of the source block of
5146 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5148 PR rtl-optimization/26847
5149 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5150 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5151 (simplify_plus_minus): Count n_constants while filling ops. Replace
5152 qsort with insertion sort. Before going through the array to simplify
5153 pairs, sort it. Delay early exit until after the first sort, exiting
5154 only if no swaps occurred. Simplify pairs in reversed order, without
5155 special-casing the first iteration. Pack ops after simplifying pairs.
5157 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5159 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5160 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5161 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5162 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5164 2006-09-05 Richard Guenther <rguenther@suse.de>
5166 PR tree-optimization/28900
5167 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5168 compound conditional before creating COND_EXPR condition.
5170 2006-09-05 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/28905
5173 * tree-vrp.c (fix_equivalence_set): Manually implement
5174 !value_ranges_intersect_p to also handle symbolic ranges.
5176 2006-09-05 Richard Guenther <rguenther@suse.de>
5179 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5182 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5184 PR rtl-optimization/27616
5185 * cse.c (table_size): New static variable.
5186 (new_basic_block): Initialize it to 0.
5187 (remove_from_table): Decrement it.
5188 (insert): Increment it.
5189 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5190 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5191 fold_rtx_mem_1 if under the cap.
5192 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5193 the lookup of the equivalent expression and test for equality of the
5194 first operand of the equivalent expression before in turn looking up
5195 an equivalent constant for the second operand.
5197 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5200 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5201 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5202 pointer, instead of assuming it is possible to derive the
5203 correct args size from a call insn.
5205 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5208 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5209 (fold_builtin_mempcpy): Rename to...
5210 (fold_builtin_memory_op): ... this. Optimize one element copy
5212 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5214 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5215 (expand_builtin_memcpy, expand_builtin_mempcpy,
5216 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5217 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5218 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5219 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5221 2006-09-01 DJ Delorie <dj@redhat.com>
5223 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5224 (stzx_16): Likewise.
5225 ("stzx_24_<mode>"): Likewise.
5226 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5227 ("cmp<mode>_op"): New.
5228 (cmp<mode>): Change to expander; just save operands.
5230 (b<code>): Change to expander, emit compare here.
5231 (s<code>_op): Change to use split and expander.
5232 (s<code>_24_op): Likewise.
5233 (s<code>_<mode>): New.
5234 (s<code>_<mode>_24): New.
5235 (movqicc_<code>_<mode): New.
5236 (movhicc_<code>_<mode>): New.
5239 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5240 (m32c_pend_compare): New.
5241 (m32c_unpend_compare): New.
5242 (m32c_expand_scc): New.
5243 (m32c_expand_movcc): Emit the compare also.
5244 * config/m32c/predicates.md (mra_nopp_operand): New.
5246 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5247 Richard Guenther <rguenther@suse.de>
5248 Adam Nemet <anemet@caviumnetworks.com>
5251 * builtins.c (get_pointer_alignment): Handle more forms
5252 of base addresses that can be used to derive more precise
5253 information about alignment.
5255 2006-09-01 Jason Merrill <jason@redhat.com>
5258 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5261 * gimplify.c (voidify_wrapper_expr): Handle null type.
5263 2006-09-01 Josh Conner <jconner@apple.com>
5266 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5267 (execute_return_slot_opt): Use it.
5269 2006-08-31 Josh Conner <jconner@apple.com>
5272 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5273 returning aggregates.
5275 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5277 PR tree-optimization/28839
5278 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5279 blocks in that phi arguments appear.
5281 2006-08-31 Roger Sayle <roger@eyesopen.com>
5284 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5285 NULL, otherwise use an advance_loc4 to adjust relative to the
5287 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5288 (dwarf2out_switch_text_section): Reset the current label to avoid
5289 using advance_loc4 over section boundaries.
5291 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5294 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5295 r12 + SYMBOLIC_CONST.
5297 2006-08-30 Richard Guenther <rguenther@suse.de>
5299 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5301 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5303 PR rtl-optimization/27735
5304 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5305 Add new argument to keep track of whether an irreducible region
5306 was affected. All callers changed.
5307 (fix_irreducible_loops): Removed.
5308 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5309 flags were invalidated.
5311 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5313 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5314 instead of SF operands.
5315 (*fop_df_comm_sse): Likewise.
5316 (*fop_df_comm_i387): Likewise.
5317 (*fop_df_1_mixed): Likewise.
5318 (*fop_df_1_sse): Likewise.
5320 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5321 J"orn Rennecke <joern.rennecke@st.com>
5323 PR tree-optimization/17506
5324 * tree-ssa.c (warn_uninit): If warning about a location outside of
5325 the current function, note where the variable was declared.
5327 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5329 PR tree-optimization/28411
5330 * double-int.c (double_int_div): Use double_int_divmod.
5331 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5332 double_int_mod, double_int_smod, double_int_umod): New functions.
5333 * double-int.h (double_int_divmod, double_int_sdivmod,
5334 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5336 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5338 (get_computation_aff, get_computation_cost_at): Handle double_int
5339 return type of constant_multiple_of.
5341 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5344 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5345 an implicit conversion.
5347 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5349 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5351 2006-08-27 Roger Sayle <roger@eyesopen.com>
5353 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5356 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5358 * config/i386/crtfastmath.c: Fix a comment typo.
5360 2006-08-26 Roger Sayle <roger@eyesopen.com>
5362 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5363 temporary visit flags on CASE_LABEL_EXPRs.
5364 * c-common.c (match_case_to_enum): Add function comment. Avoid
5365 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5366 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5367 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5368 a constant, only warn if that constant value isn't handled.
5370 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5373 * input.h (restore_input_file_stack): Declare.
5374 (INPUT_FILE_STACK_BITS): Define.
5375 * toplev.c (fs_p, input_file_stack_history,
5376 input_file_stack_restored, restore_input_file_stack): New.
5377 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5378 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5379 (pop_srcloc): Don't free old state of stack.
5381 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5384 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5385 (PowerPC Type Attributes): New.
5387 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5389 * config/xtensa/xtensa.c (function_arg_boundary): New.
5390 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5392 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5393 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5395 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5398 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5401 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5403 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5404 (verify_local_live_at_start): Likewise.
5406 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5409 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5410 omp_add_variable): Treat sizes as variable whenever not
5413 2006-08-26 Richard Guenther <rguenther@suse.de>
5416 * fold-const.c (fold_binary): Fold temporary to correct
5417 type before constructing new comparison.
5419 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5422 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5423 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5425 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5428 * c-decl.c (start_function): Don't try to process prototype
5429 information from old declaration that isn't a function.
5431 2006-08-25 Jan Hubicka <jh@suse.cz>
5434 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5436 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5439 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5442 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5444 PR tree-optimization/16876
5445 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5446 exit if PARM doesn't match VALUE.
5448 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5450 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5451 literal_prefix directive.
5452 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5453 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5454 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5456 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5459 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5460 predicate to general_operand. Add 0->y and I->r alternatives.
5462 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5464 * doc/tm.texi: Fix a typo.
5465 * predict.c: Fix comment typos.
5467 2006-08-25 Nick Clifton <nickc@redhat.com>
5469 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5470 assertions of "cpu" and "machine".
5472 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5475 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5476 the access through a base which has an alias set of 0 cannot
5479 2006-08-24 Bill Wendling <wendling@apple.com>
5481 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5483 2006-08-24 Jan Hubicka <jh@suse.cz>
5485 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5487 2006-08-24 Jan Hubicka <jh@suse.cz>
5490 * cgraph.c: Fix comments.
5491 (cgraph_varpool_mark_needed_node): Mark only variables not already
5493 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5494 (cgraph_varpool_assembled_nodes_queue): New static variable.
5495 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5496 (cgraph_varpool_output_debug_info): New function.
5497 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5498 * Makefile.in: Add gt-cgraphunit.h
5500 2006-08-24 Jan Hubicka <jh@suse.cz>
5502 * predict.c (probability_reliable_p): New predicate.
5503 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5504 (predict_loops): Do not predict loop exit with less than 2%
5506 * basic-block.h (edge_probability_reliable_p,
5507 br_prob_note_reliable_p): Declare.
5508 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5509 prediction when static predictor is not reliable.
5510 * rs6000.c (output_cbranch): Likewise.
5512 2006-08-23 Stuart Hastings <stuart@apple.com>
5515 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5516 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5518 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5521 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5522 complex values, nor for generic vector values.
5524 2006-08-22 Richard Guenther <rguenther@suse.de>
5527 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5528 parameter. Convert arguments to arithmetic expression to the
5530 (analyze_scalar_evolution_1): Adjust caller.
5532 2006-08-22 Jan Hubicka <jh@suse.cz>
5534 Patch by Paolo Bonzini
5535 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5538 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5540 PR tree-optimization/28003
5541 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5542 before grouping aliases.
5544 2006-08-22 Roger Sayle <roger@eyesopen.com>
5546 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5547 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5549 2006-08-21 Jason Merrill <jason@redhat.com>
5552 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5553 wrapper. Loop to handle nested wrappers.
5554 (gimplify_bind_expr): Remove temp parameter.
5555 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5556 and STATEMENT_LIST on the rhs.
5557 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5558 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5559 (gimplify_target_expr): Remove special BIND_EXPR handling.
5561 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5563 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5566 2006-08-21 Olivier Hainque <hainque@adacore.com>
5568 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5569 Arrange for the temporary captures of components overlapping the lhs
5570 to happen before the lhs is possibly cleared.
5572 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5574 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5575 necessary places to pass the correct "number of registers" values
5578 2006-08-20 Jan Hubicka <jh@suse.cz>
5580 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5581 (create_name_tags): Instead of quadratic checking use hashtable.
5582 * bitmap.h: Include hashtab.h.
5583 (bitmap_hash): Declare.
5584 * bitmap.c (bitmap_hash): New function.
5586 2006-08-20 Jan Hubicka <jh@suse.cz>
5588 PR rtl-optimization/28071
5589 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5591 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5592 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5593 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5594 cgraph_decide_inlining_incrementally): Update use of
5595 cgraph_check_inline_limits.
5596 * cgraph.c (edge_hash, edge_eq): New function.
5597 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5598 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5599 cgraph_remove_node): Maintain call site hash.
5600 * cgraph.h (struct cgraph_node): Add call_site_hash.
5601 (cgraph_set_call_stmt): New function.
5603 2006-08-20 Jan Hubicka <jh@suse.cz>
5605 PR rtl-optimization/28071
5606 * reload1.c (reg_has_output_reload): Turn into regset.
5607 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5608 choose_reload_regs, emit_reload_insns): Update to new
5609 reg_has_output_reload.
5611 2006-08-20 Jan Hubicka <jh@suse.cz>
5614 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5615 function body sizes.
5616 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5618 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5621 * tree.c (handle_dll_attribute): Return early if not a
5622 var or function decl.
5624 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5627 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5628 alignment of SPE vector types.
5630 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5632 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5634 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5637 * cgraph.h (struct cgraph_node): Remove externally_visible
5639 * cgraphunit.c (process_function_and_variable_attributes): Set
5640 local.externally_visible rather than externally_visible.
5643 * c-common.c (handle_externally_visible_attribute): First look
5644 at TREE_CODE and only if it is function or var decl, check for
5645 non-public objects. Don't warn for DECL_EXTERNAL.
5646 * cgraphunit.c (process_function_and_variable_attributes): Warn
5647 if externally_visible attribute is used on non-public object.
5649 2006-08-17 Jan Hubicka <jh@suse.cz>
5651 PR tree-optimization/27865
5652 * reload1.c (forget_marked_reloads): New function.
5653 (forget_old_reloads_1): When data are passed, just mark the registers
5655 (reload_as_needed): Use the new mechanizm.
5657 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5660 * reload.h (reg_equiv_alt_mem_list): New declaration.
5661 * reload1.c (reg_equiv_alt_mem_list): New definition.
5662 (reload): Initialize it and release it.
5663 (delete_output_reload): Use it.
5664 * reload.c (push_reg_equiv_alt_mem): New function.
5665 (find_reloads_toplev): Call it.
5666 (find_reloads_address, find_reloads_address_1): Likewise.
5667 (find_reloads_subreg_address): Likewise.
5669 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5671 PR rtl-optimization/28489
5672 * sched-ebb.c (begin_schedule_ready): Create basic block
5674 (advance_target_bb): Skip empty blocks.
5675 * haifa-sched.c (bb_note): Make global.
5676 * sched-int.h (bb_note): Add prototype.
5678 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5680 PR tree-optimization/27865
5681 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5683 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5684 fold_used_pointer, pointer_used_p): New functions.
5685 (analyze_scalar_evolution_1): Use fold_used_pointer.
5686 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5687 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5690 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5693 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5694 or the INTEGER_CST. Fail on a CALL_EXPR.
5695 (fold_offsetof): Pass new argument to fold_offsetof_1.
5696 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5697 operand into an INDIRECT_REF.
5698 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5700 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5702 PR gcov/profile/26570
5703 * value-prof.c (static_values): Removed.
5704 (tree_find_values_to_profile): Do not set static_values.
5705 (find_values_to_profile): Do not free static_values.
5706 * profile.c (instrument_values): Do not free the values.
5707 (branch_prob): Free the values.
5709 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5711 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5713 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5716 * c-typeck.c (build_component_ref): Combine qualifiers of
5717 structure or union and field.
5719 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5721 PR rtl-optimization/28071
5722 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5723 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5724 * tree-into-ssa.c (struct dom_dfsnum): New.
5725 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5727 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5728 compute_global_livein.
5729 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5730 in phi nodes in the correct blocks.
5732 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5734 PR tree-optimization/28364
5735 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5737 (fold_affine_expr): New function.
5738 (may_eliminate_iv): Use fold_affine_expr.
5740 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5743 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5746 2006-08-16 Mike Stump <mrs@apple.com>
5748 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5749 * doc/cppopts.texi (-MD): Likewise.
5751 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5754 * c-common.c (handle_weak_attribute): Ignore and warn if
5755 not a FUNCTION_ or VAR_DECL.
5757 2006-07-15 Mike Stump <mrs@apple.com>
5760 * c-parser.c (c_parser_typeof_specifier): Don't use
5761 c_finish_expr_stmt, open code desired semantics instead.
5763 2006-08-15 Nick Clifton <nickc@redhat.com>
5765 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5766 fragment to tmake_file only if threads are enabled.
5767 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5768 * config/i386/t-gthr-win32: New file. ... here.
5770 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5773 * c-parser.c (c_parser_compound_statement_nostart): Reset
5774 parser->error after each statement.
5776 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5779 * omp-low.c (lower_omp_parallel): Convert t to
5780 receiver_decl's type.
5781 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5782 source before comparison.
5785 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5786 to itype in assignment to oldival2.
5788 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5792 * c-typeck.c (build_compound_expr): If the second expression
5793 is an error mark, then just return an error mark instead of
5794 creating a COMPOUND_EXPR.
5796 2006-07-14 Mike Stump <mrs@apple.com>
5798 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5800 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5802 * c-decl.c, var-tracking.c: Fix comment typos.
5804 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5806 PR rtl-optimization/28634
5807 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5808 for floating-point modes unless flag_unsafe_math_optimizations.
5810 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5811 Andrew Pinski <pinskia@physics.uc.edu>
5814 * tree.c (build_array_type): Unify array types with
5815 unspecified index_type.
5816 * c-decl.c (grokdeclarator): Make sure we do not modify a
5817 unified incomplete array type.
5818 * c-typeck.c (store_init_value): Create distinct type before
5819 filling in the index type in an initializer from a compound
5822 * c-decl.c (grokdeclarator): Remove code where we copy the
5825 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5827 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5828 into account for TODO_dump_cgraph.
5829 (TODO_update_ssa_no_phi): Likewise.
5830 (TODO_update_ssa_full_phi): Likewise.
5831 (TODO_update_ssa_only_virtuals): Likewise.
5832 (TODO_remove_unused_locals): Likewise.
5833 (TODO_set_props): Likewise.
5834 (TODO_update_stmt_usage): Likewise.
5836 2006-08-13 Dirk Mueller <dmueller@suse.de>
5838 * c-common.c (strict_aliasing_warning): Fix formatting.
5840 2006-08-13 Matthias Klose <doko@debian.org>
5842 * doc/invoke.texi: Fix spelling errors.
5844 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5846 PR rtl-optimization/23454
5847 * reorg.c (relax_delay_slots): Update comment.
5849 2006-08-11 Richard Guenther <rguenther@suse.de>
5852 * simplify-rtx.c (simplify_const_relational_operation):
5853 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5856 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5858 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5859 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5861 2006-08-10 Paul Brook <paul@codesourcery.com>
5863 * final.c (final_scan_insn): Clear current_insn_predicate before
5864 outputting inline asm.
5866 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5868 PR tree-optimization/26197
5869 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5870 get_ref_base_and_extent and overlap_subvar to add only relevant
5871 subvars as may-aliases.
5872 (add_may_alias_for_new_tag): New function, factored out of
5874 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5875 with additional argument.
5876 * tree-flow.h (new_type_alias): Takes additional argument.
5878 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5880 * gcov.c (no_data_file): New flag.
5881 (read_count_file): Set it if data file not present. Assume counts
5883 (output_lines): Don't name the data file, if there wasn't one.
5885 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5887 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5888 (rs6000_generate_compare): Tweak comments.
5889 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5891 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5893 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5894 (var_debug_decl): New function.
5895 (var_reg_set): Follow debug decl link. Add location even if
5896 reg is already known to hold some other variable.
5897 (var_mem_set): Follow debug decl link.
5898 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5899 decl link. Delete other known locations of the variable part
5901 (var_reg_delete, var_mem_delete): Delete other known locations
5902 of the variable part if requested.
5903 (same_variable_part_p): New function.
5904 (add_stores): Select MO_COPY when appropriate.
5905 (vt_initialize): Handle it.
5906 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5907 known locations for MO_SET and MO_CLOBBER.
5908 (find_variable_location_part): New function.
5909 (set_variable_part, delete_variable_part): Use it.
5910 (clobber_variable_part): New function.
5911 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5914 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5916 PR tree-optimization/26969
5917 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5918 with an empty list of PHIs.
5920 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5924 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5927 2006-08-06 Andreas Schwab <schwab@suse.de>
5929 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5930 string. Whitespace and comment fixup.
5932 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5935 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5939 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5942 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5944 2006-08-04 Jan Hubicka <jh@suse.cz>
5948 * reload.c (push_reload): Patch out the mismatching instruction;
5950 (find_reload): Bail out if the instruction was patched out.
5952 2006-08-04 Jan Hubicka <jh@suse.cz>
5954 PR tree-optimization/24888
5955 * tree-inline.c (expand_call_inline): Do not re-record variables.
5956 (declare_inline_vars): Add variable to unexpanded_var_list.
5958 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5959 Roger Sayle <roger@eyesopen.com>
5961 PR rtl-optimization/26244
5962 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5963 inner_const are negative or greater than or equal to the bitsize of
5964 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5965 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5966 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5967 CONST0_RTX (mode) when the new shift count is greater than or equal to
5968 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5971 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5973 * tree-cfg.c: Fix a comment typo.
5975 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5978 * varasm.c (output_constant): Give the front end another chance to
5979 expand constants, after stripping NOPs.
5981 2006-08-03 Jan Hubicka <jh@suse.cz>
5983 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5986 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5988 PR tree-optimization/27770
5989 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5990 declaration removed (moved to tree-flow.h).
5991 (vect_can_force_dr_alignment_p): Likewise.
5992 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5993 (moved from tree-vectorizer.h).
5994 (vect_can_force_dr_alignment_p): Likewise.
5995 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5996 from outside the vectorizer - in particular from cgraph stage.
5997 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5998 the alignment of global arrays when -fsection-anchors is enabled.
5999 * cgraphunit.c (cgraph_increase_alignment): New function.
6000 (cgraph_optimize): Call cgraph_increase_alignment.
6002 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6005 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6006 not reload a SPE symbol_ref into a lo_sum address.
6008 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6011 * dwarf2out.c (prune_unused_types_prune): Move call to
6012 prune_unused_types_update_strings to cover the parent DIE also.
6014 2006-08-02 Jan Hubicka <jh@suse.cz>
6016 PR gcov/profile/28480
6017 * tree-cfg.c (change_bb_for_stmt): New function.
6018 (tree_merge_blocks, tree_split_blocks): Use it.
6020 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6026 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6027 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6028 (cgraph_optimize): Likewise.
6030 2006-08-01 Stuart Hastings <stuart@apple.com>
6032 * rtl.h (UINTVAL) New.
6033 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6034 * testsuite/gcc.dg/20060801-1.c: New.
6036 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6039 * c-typeck.c (build_external_type): Mark used enum types.
6040 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6042 (gen_subprogram_die): Whitespace fix.
6044 2006-08-01 Jan Hubicka <jh@suse.cz>
6046 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6047 bitmap when not needed.
6048 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6051 2006-08-01 Dirk Mueller <dmueller@suse.de>
6053 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6055 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6057 * Makefile.in: Revert part of previous patch:
6058 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6061 2006-07-30 Eric Christopher <echristo@apple.com>
6064 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6065 (PowerPC Variable Attributes): New section.
6067 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6069 PR target/28126 (partial fix)
6070 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6072 2006-07-28 Jan Hubicka <jh@suse.cz>
6074 PR rtl-optimization/28071
6075 * cfgrtl.c (rtl_delete_block): Free regsets.
6076 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6078 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6080 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6081 and variables used in dependencies.
6083 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6085 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6086 %fs for -mcmodel=kernel.
6087 (stack_tls_protect_test_di): Likewise.
6089 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6091 * Makefile.in: Use mkinstalldirs.
6093 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6096 * opts-common.c (prune_options): Skip joined switches.
6098 2006-07-27 Jan Hubicka <jh@suse.cz>
6100 PR rtl-optimization/28071
6101 * cselib.c (cselib_process_insn): Don't remove useless values too
6102 often for very large hashtables.
6104 2006-07-27 Jan Hubicka <jh@suse.cz>
6106 PR rtl-optimization/28071
6107 * global.c (greg_obstack): New obstack.
6108 (allocate_bb_info): Use it.
6109 (free_bb_info): Likewise.
6110 (modify_reg_pav): Likewise.
6112 2006-07-27 Roger Sayle <roger@eyesopen.com>
6114 * builtins.c (fold_fixed_mathfn): When long and long long are the
6115 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6116 functions to their lceil*, lfloor*, lround* and lrint* forms.
6118 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6121 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6123 (rev_branch_insn): Likewise.
6125 2006-07-27 Jan Hubicka <jh@suse.cz>
6127 PR rtl-optimization/28071
6128 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6129 (reg_set_in_bb, max_reg_computed): New static variables.
6130 (regmove_optimize): Free the new array.
6131 (fixup_match_1): Update call of reg_is_remote_constant_p.
6133 2006-07-26 Jan Hubicka <jh@suse.cz>
6135 PR tree-optimization/27882
6136 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6138 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6140 (cgraph_analyze_compilation_unit): Likewise.
6141 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6142 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6143 (cgraph_early_inlinine): Make order garbage collected.
6144 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6146 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6148 * dbxout.c (output_types_sort): Add a comment.
6149 (output_used_types): Free the VEC.
6151 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6153 * function.c (reorder_fix_fragments): Delete.
6154 (reorder_blocks): Don't call it.
6155 (reorder_blocks_1): Put all subblocks under the origin block.
6157 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6159 PR rtl-optimization/27907
6160 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6163 2006-07-25 Roger Sayle <roger@eyesopen.com>
6166 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6167 bar(x) check that bar's result type can represent all the values of T.
6169 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6171 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6173 2006-07-25 Nick Clifton <nickc@redhat.com>
6175 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6176 size_lookup[] array.
6177 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6178 (ggc_pch_count_object): Likewise.
6179 (ggc_pch_alloc_object): Likewise.
6180 (ggc_pch_write_object): Likewise.
6181 (init_ggc): Do not attempt to initialize entries in the
6182 size_lookup[] array for objects whose size is greater than than
6183 the length of the array.
6185 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6187 * dbxout.c (output_used_types_helper): Push queued types
6189 (output_types_sort): New.
6190 (output_used_types): Collect used types on a VEC and sort them
6193 2006-07-24 Richard Guenther <rguenther@suse.de>
6196 * cgraph.c (cgraph_remove_node): Do not check if dumps
6198 * cgraphunit.c (cgraph_optimize): Likewise.
6200 2006-07-24 Jan Hubicka <jh@suse.cz>
6202 PR rtl-optimization/28071
6203 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6204 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6205 splitting before first stmt.
6207 2006-07-24 Jan Hubicka <jh@suse.cz>
6209 PR rtl-optimization/28071
6210 * ipa-inline.c (update_caller_keys): Remove edges that
6211 are no longer inline candidates.
6213 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6216 * dbxout.c (output_used_types_helper, output_used_types): New.
6217 (dbxout_symbol): Call output_used_types.
6219 2006-07-23 Jan Hubicka <jh@suse.cz>
6223 * cgraph.c (cgraph_varpool_nodes): Export.
6224 (decide_is_variable_needed): Ignored "used" attribute in
6225 unit-at-a-time mode.
6226 * cgraph.h (cgraph_varpool_nodes): Declare.
6227 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6228 unit-at-a-time mode.
6230 2006-07-23 Roger Sayle <roger@eyesopen.com>
6233 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6234 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6235 the __gthrw form of thr_keycreate.
6236 (__gthread_key_delete): Silence the unused argument warning.
6238 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6241 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6242 Cache the last found '\0' marker to avoid quadratic behavior.
6244 2006-07-23 Jan Hubicka <jh@suse.cz>
6246 * i386.md (subsi_3_zext): Fix output template.
6248 2006-07-21 Mike Stump <mrs@apple.com>
6250 * doc/invoke.texi (C++ Dialect Options): Note that
6251 -fvisibility-inlines-hidden doesn't affect explicitly
6252 instantiationed inline methods.
6254 2006-07-20 Roger Sayle <roger@eyesopen.com>
6256 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6257 if the target assembler is GNU binutils' gas.
6258 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6259 whether to pass GNU gas or native as command line options.
6261 2006-07-20 Jason Merrill <jason@redhat.com>
6263 * tree.c (remove_attribute): New fn.
6264 * tree.h: Declare it.
6266 2006-07-20 Paul Brook <paul@codesourcery.com>
6269 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6270 they are invalidated by this instruction.
6272 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6275 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6277 2006-07-20 Eric Christopher <echristo@apple.com>
6280 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6282 2006-07-19 Eric Christopher <echristo@apple.com>
6284 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6285 Rewrite dependencies for libgcc_s.1.dylib.
6287 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6289 * except.c (duplicate_eh_regions_1): Clear next_peer.
6291 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6293 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6294 -mlongcall does not guarantee all calls will be long.
6295 * doc/extend.texi (long_call/short_call): Document that longcall
6296 does not guarantee a long call will be used.
6297 (longcall/shortcall): Likewise.
6299 2006-07-18 Roger Sayle <roger@eyesopen.com>
6302 * expmed.c (expand_shift): Additionally check that the shift_cost
6303 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6304 before implementing a LSHIFT_EXPR as a sequence of additions.
6305 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6306 middle-end that DImode shifts need to be synthesized by expand.
6308 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6311 * tree-ssa-operands.c (access_can_touch_variable): Update
6313 Return true if ALIAS is .GLOBAL_VAR.
6315 2006-07-18 David Daney <ddaney@avtrex.com>
6317 * gcc.c (display_help): Fix typo in help text.
6319 2006-07-18 Olivier Hainque <hainque@adacore.com>
6321 * tree.h (categorize_ctor_elements): Adjust prototype and add
6322 descriptive comment, both in accordance with the interface change
6324 * varasm.c (constructor_static_from_elts_p): New function.
6325 Whether a constructor node is a valid static constant initializer
6326 if all its elements are.
6327 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6328 * output.h: Declare it.
6329 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6330 is a valid constant initializer instead of computing the number of
6331 non-constant elements. Use constructor_static_from_elts_p for this
6332 purpose. Replace the head comment with an indication that this is a
6333 helper for categorize_ctor_elements.
6334 (categorize_ctor_elements): Same interface change as for the _1
6335 helper. Former head comment from this helper moved here, adjusted to
6336 account for the interface changes.
6337 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6338 (all_zeros_p): Likewise.
6339 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6340 static versions of the constructor from the categorize_ctor_elements
6341 return value instead of the formerly computed number of non-constant
6344 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6346 * configure: Regenerate.
6347 * Makefile.in (build_libsubdir): New configure substitution
6348 (build_libobjdir): New variable.
6349 (BUILD_LIBIBERTY): Use it.
6351 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6354 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6356 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6359 * c-common.c (handle_weakref_attribute): Ignore attribute in
6360 the same conditions the alias attribute is ignored.
6362 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6364 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6365 (dbxout_begin_prologue): Increment scope_labelno.
6367 2006-07-17 Richard Henderson <rth@redhat.com>
6370 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6373 2006-07-17 Roger Sayle <roger@eyesopen.com>
6374 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6376 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6377 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6378 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6379 functions such as sbrk, write, etc.. Add function prototypes.
6380 Convert function declarations from K&R to ISO C. Cast pointers
6381 to "long" and "unsigned long" instead of "int" and "unsigned int".
6382 Convert tokens following #endif into comments.
6384 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6386 * invoke.texi: Remove mention of f77; Reformat table for
6387 inline parameter options correctly; mention that -malign-double
6388 is default on x86-64 targets.
6390 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6392 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6393 (convert_affine_scev, chrec_convert_aggressive): Use
6394 avoid_arithmetics_in_type_p. Do not check for the subtypes
6397 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6400 * optabs.c (expand_doubleword_shift): Wrap the call to
6401 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6403 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6406 * optabs.c (expand_binop): Pass next_methods rather than methods
6407 to expand_doubleword_shift.
6409 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6412 * tree.h (dump_addr): Declare.
6413 * print-tree.c (dump_addr): New function.
6414 (print_node_brief, print_node): Use it.
6415 * print-rtl.c (print_rtx): Likewise.
6416 * common.opt (-fdump-noaddr): New option.
6417 * doc/invoke.texi (-fdump-noaddr): Document.
6418 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6419 (ve_info_hash): Likewise.
6421 2006-07-13 Andrew Haley <aph@redhat.com>
6423 PR tree-optimization/19505
6424 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6425 edge leaving this block, make sure that the destination of this
6426 block has only one predecessor.
6428 2006-07-17 Richard Guenther <rguenther@suse.de>
6430 PR tree-optimization/28238
6431 * tree-inline.c (copy_bb): Check if we produced valid
6432 gimple copying and substituting a stmt. If not, gimplify
6435 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6437 * optabs.c (maybe_encapsulate_block): New function extracted from...
6438 (emit_libcall_block): ...here. Invoke it on the block of insns to
6439 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6440 (emit_no_conflict_block): Likewise.
6442 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6444 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6446 2006-07-15 Roger Sayle <roger@eyesopen.com>
6448 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6449 a new NOP_EXPR case of the switch statement.
6451 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6454 * stor-layout.c (place_field): Take the bit field with
6455 an excessive size into account in the ms-bitfiled case.
6458 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6459 the previous bit field.
6461 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6464 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6466 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6468 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6469 signal frames correctly even when the signal was installed with
6472 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6474 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6475 (dbxout_function_end): Use local label LFBB. Remove hook
6477 (dbxout_source_line): Use local label LFBB.
6478 (dbxout_block): Likewise.
6479 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6480 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6481 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6482 and DBX_OUTPUT_NFUN.
6484 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6486 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6488 2006-07-13 Jan Hubicka <jh@suse.cz>
6490 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6492 * output.h (align_variable): Declare.
6493 * varasm.c (align_variable): Export.
6494 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6495 when basic block changed.
6497 2006-07-13 Nick Clifton <nickc@redhat.com>
6499 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6500 walking the LOG_LINKS chain.
6502 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6504 * doc/invoke.texi (C++ Dialect Options): Explain difference
6505 between -fvisibility-inlines-hidden and setting hidden
6506 visibility explicitly.
6508 2006-07-12 Eric Christopher <echristo@apple.com>
6510 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6511 (stmp-lipo): Depend on libgcc.a.
6513 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6515 * tree.c: Fix a comment typo.
6517 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6519 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6521 (umulhisi3_r): Likewise.
6523 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6526 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6527 x < 19, vs wchar_t support.
6529 2006-07-12 Nick Clifton <nickc@redhat.com>
6531 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6532 instead of -isa=sh4.
6534 2006-07-12 Mike Stump <mrs@apple.com>
6536 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6538 2006-07-10 Eric Christopher <echristo@apple.com>
6540 * config/t-slibgcc-darwin: Rewrite.
6542 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6545 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6548 2006-07-08 Matthias Klose <doko@debian.org>
6550 * doc/sourcebuild.texi: Fix typo.
6552 2006-07-07 Mike Stump <mrs@apple.com>
6554 * toplev.c (process_options): Don't give -ffunction-sections may
6555 affect debugging warning for Mach-O.
6557 2006-07-07 James E Wilson <wilson@specifix.com>
6559 * config/mips/mips.md (cpu): Add sb1a.
6560 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6561 addition to sb1. Adjust comments to clarify SB-1A differences from
6563 (ir_sb1a_load): New. Modify bypasses to use it.
6564 (ir_sb1a_simple_alu): Likewise.
6565 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6566 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6567 (mips_issue_rate): Add PROCESSOR_SB1A.
6568 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6569 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6570 (TARGET_SB1): Add PROCESSOR_SB1A check.
6571 (TUNE_SB1): Likewise.
6573 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6574 * config/mips/mips.c (mips_store_data_bypass_p): New.
6575 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6576 store_data_bypass_p.
6578 2006-07-08 Paul Brook <paul@codesourcery.com>
6581 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6583 2006-07-07 Richard Guenther <rguenther@suse.de>
6586 * tree.h (build_one_cst): Declare.
6587 * tree.c (build_one_cst): New function.
6588 * tree-ssa-math-opts.c (get_constant_one): Remove.
6589 (insert_reciprocals): Use build_one_cst.
6590 * fold-const.c (fold_plusminus_mult): Likewise.
6592 2006-07-07 Roger Sayle <roger@eyesopen.com>
6594 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6595 * cfgloopanal.c (dump_graph): Likewise.
6596 * dojump.c (discard_pending_stack_adjust): Likewise.
6597 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6599 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6600 * function.c (finalize_block_changes): Likewise.
6601 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6602 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6603 * rtl.c (dump_rtx_statistics): Likewise.
6604 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6606 * varray.c (dump_varray_statistics): Likewise.
6607 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6608 decode_decimal64, encode_decimal128, decode_decimal128,
6609 decimal_real_to_decimal): Likewise.
6611 2006-07-07 Richard Guenther <rguenther@suse.de>
6613 PR tree-optimization/28187
6614 * tree-vrp.c (vrp_operand_equal_p): New function.
6615 (vrp_bitmap_equal_p): Likewise.
6616 (update_value_range): Use them to compare old and new
6619 2006-07-06 Roger Sayle <roger@eyesopen.com>
6621 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6622 a default case to switch statement to silence compiler warnings.
6624 2006-07-06 Roger Sayle <roger@eyesopen.com>
6627 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6628 the configured assembler supports the x87's ffreep mnemonic.
6629 * configure: Regenerate.
6630 * config.in: Regenerate.
6632 * config/i386/i386.c (output_387_ffreep): New function.
6633 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6634 (output_387_reg_move): Likewise.
6636 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6638 Port to hosts whose 'sort' and 'tail' implementations
6639 treat operands with leading '+' as file names, as POSIX
6640 has required since 2001. However, make sure the code still
6641 works on pre-POSIX hosts.
6642 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6643 which says you should use "tail -c +N" rather than "tail +Nc".
6644 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6646 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6648 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6651 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6654 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6655 PRE_{INC,DEC} of TFmode.
6657 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6658 Alan Modra <amodra@bigpond.net.au>
6661 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6664 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6667 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6668 Remove duplicate gtu.
6670 2006-07-05 Jason Merrill <jason@redhat.com>
6674 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6675 * c-common.c (handle_packed_attribute): So don't copy it here.
6676 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6678 2006-07-05 Mike Stump <mrs@apple.com>
6680 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6682 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6685 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6687 2006-07-05 Richard Guenther <rguenther@suse.de>
6690 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6691 TARGET_SSE2 targets if using SSE math.
6692 (*absdf2_1): Likewise.
6694 2006-07-05 Richard Guenther <rguenther@suse.de>
6696 PR tree-optimization/28162
6697 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6698 make sure to convert the operands to the correct type.
6700 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6702 PR tree-optimization/28218
6704 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6705 to calculate and free the dominator information.
6707 2006-07-04 Peter O'Gorman <peter@pogma.com>
6709 * mklibgcc.in: chmod 644 before ranlib during install.
6711 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6712 J"orn Rennecke <joern.rennecke@st.com>
6714 * configure.ac (.eh_frame data check): Use diff -b.
6716 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6719 * Makefile.in (BUILD_RTL): Add build/vec.o.
6720 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6721 (build/genextract): Delete.
6722 (build/genautomata): Likewise.
6724 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6727 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6728 128-bit IBM long doubles for ABI_V4.
6730 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6732 * tree.c (range_in_array_bounds_p): New predicate.
6733 * tree.h (range_in_array_bounds_p): Declare it.
6734 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6735 return a less conservative answer.
6736 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6737 and flag 'is_group'.
6738 (IS_ELEMENT_FOR_GROUP): New macro.
6739 (FOR_EACH_ACTUAL_CHILD): Likewise.
6740 (next_child_for_group): New helper function.
6741 (can_completely_scalarize_p): Take into account groups.
6742 (sra_hash_tree): Handle RANGE_EXPR.
6743 (sra_elt_eq): Likewise.
6744 (lookup_element): Be prepared for handling groups.
6745 (is_valid_const_index): Delete.
6746 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6747 instead of is_valid_const_index.
6748 <ARRAY_RANGE_REF>: New case.
6749 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6750 is_valid_const_index.
6751 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6752 (scan_dump): Dump info for groups too.
6753 (decide_instantiation_1): Likewise.
6754 (decide_block_copy): Assert that the element is not a group.
6755 Propagate decision to groups.
6756 (generate_one_element_ref): Handle RANGE_EXPR.
6757 (mark_no_warning): Iterate over actual childs.
6758 (generate_copy_inout): Likewise.
6759 (generate_element_copy): Likewise.
6760 (generate_element_zero): Likewise.
6761 (generate_element_init_1): Likewise.
6762 (dump_sra_elt_name): Handle RANGE_EXPR.
6764 2006-07-03 Roger Sayle <roger@eyesopen.com>
6766 PR tree-optimization/26251
6767 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6768 (thread_block): When optimizing for size refuse to thread jumps
6769 that would require duplication of blocks other than redirection
6772 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6774 * configure.ac: Fix thinko in previous check-in.
6775 * configure: Regenerate.
6777 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6780 * configure.ac (for lang...): Simplify nesting of conditionals.
6781 Test subdir_requires for non-enabled languages. Move processing
6782 of lang_opt_files and lang_tree_fiels below that test.
6783 * configure: Regenerate.
6784 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6786 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6788 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6790 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6792 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6795 2006-06-29 Jason Merrill <jason@redhat.com>
6802 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6803 * c-common.c (c_determine_visibility): Handle it here.
6804 * c-decl.c (finish_decl): Call c_determine_visibility for
6806 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6808 * varasm.c (default_assemble_visibility): Likewise.
6809 * c-common.c (handle_visibility_attribute): Complain about trying
6810 to give visibility to an already defined class, or trying to change
6811 declared visibility. Always attach the attribute.
6816 * attribs.c (decl_attributes): Ignore type-in-place attributes
6817 once the type has been defined.
6819 2006-06-29 Roger Sayle <roger@eyesopen.com>
6822 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6823 to indicate the cpplib has issued an error message for us.
6825 2006-06-29 Asher Langton <langton2@llnl.gov>
6828 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6829 insert a label at the end of an function under Mach-O.
6831 2006-06-29 Eric Christopher <echristo@apple.com>
6832 Evan Cheng <evan.cheng@apple.com>
6834 * predicates.md (vector_all_ones_operand): New.
6835 (nonimmediate_or_sse_const_operand): Ditto.
6836 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6837 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6838 (standard_sse_mode_p): Ditto.
6839 (standard_sse_constant_p): Add case for -1 vector.
6840 (ix86_expand_vector_move): Try to use.
6841 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6842 Call standard_sse_constant_opcode.
6843 (*movv4sf_internal): Ditto.
6844 (*movv2df_internal): Ditto.
6846 2006-06-29 Roger Sayle <roger@eyesopen.com>
6848 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6849 of XEXP to extract the operands of a MATCH_CODE rtx.
6851 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6853 * tree.c (tree_size): Do not waste tail padding in
6854 struct tree_string and make the size be the same as
6855 build_string will generate.
6857 2006-06-28 Jason Merrill <jason@redhat.com>
6860 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6861 may_aliases already in the tag's annotations to the bitmap.
6863 2006-06-28 Roger Sayle <roger@eyesopen.com>
6865 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6867 2006-06-28 Roger Sayle <roger@eyesopen.com>
6869 * genpreds.c (generate_switch_p): New function.
6870 (add_mode_tests): Push the new mode test down inside an AND expr
6871 if this allows the switch-suitable MATCH_CODE to be near the root.
6872 (write_match_code_switch): New function to write a MATCH_CODE as
6874 (write_predicate_stmts): New function to write a predicate RTX
6875 expression as a sequence of statements.
6876 (write_one_predicate_function): Use write_predicate_stmts.
6877 (write_tm_constrs_h): Likewise.
6879 2006-06-26 Fred Fish <fnf@specifix.com>
6881 * config/mips/t-sb1: New file.
6882 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6885 2006-06-26 DJ Delorie <dj@redhat.com>
6887 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6889 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6890 Jayant Sonar <jayants@kpitcummins.com>
6891 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6893 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6894 (subsi3, subsi3_1, subsi3_2): New.
6895 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6896 * config/m32c/mov.md (SI mov peephole): New.
6897 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6898 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6900 2006-06-26 Olivier Hainque <hainque@adacore.com>
6902 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6903 a CALL_EXPR target function declaration.
6905 2006-06-26 Richard Guenther <rguenther@suse.de>
6907 * tree.c (build_string): Do not waste tail padding in
6910 2006-06-26 Richard Guenther <rguenther@suse.de>
6912 * ggc-page.c (init_ggc): Add missing element to size_lookup
6916 2006-06-23 Richard Guenther <rguenther@suse.de>
6918 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6919 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6920 alignment requests instead. Add verification code.
6921 Add struct tree_function_decl and struct tree_binfo size to
6922 extra_order_size_table. Add missing element to size_lookup
6925 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6928 * fold-const.c (const_binop): Be prepared for self returning zero.
6929 Simplify code handling complex values.
6931 2006-06-24 Olivier Hainque <hainque@adacore.com>
6933 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6934 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6937 2006-06-24 Olivier Hainque <hainque@adacore.com>
6939 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6940 ARRAY_REF, so have the callback called for the low bound expression.
6942 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6944 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6945 * c-typeck.c (c_common_type): Disallow operations on decimal float
6946 types and other float types.
6947 * convert.c (convert_to_real): Don't ignore conversions involving
6948 decimal float types.
6950 2006-06-23 Olivier Hainque <hainque@adacore.com>
6952 * tree.c (max_int_size_in_bytes): New function, inspired from
6953 code in function.c:assign_temp.
6954 * tree.h (max_int_size_in_bytes): Declare.
6955 * function.c (assign_temp): Use it.
6956 * gimplify.c (create_tmp_var): Relax the assertions on the type
6957 properties, not mandating constant size any more.
6958 (force_constant_size): New static function.
6959 (gimple_add_tmp_var): Use it, forcing variable size to a
6960 constant upper bound if it is not constant on entry.
6962 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6965 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6966 for initialization and setting of one_only flag to ...
6967 (i386_pe_encode_section_info): ...here.
6968 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6969 Recheck that the symbol has not been defined.
6971 2006-06-23 Richard Guenther <rguenther@suse.de>
6973 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6974 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6975 alignment requests instead. Add verification code.
6976 Add struct tree_function_decl and struct tree_binfo size to
6977 extra_order_size_table. Add missing element to size_lookup
6980 2006-06-22 Roger Sayle <roger@eyesopen.com>
6981 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6984 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6985 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6987 2006-06-23 Ben Elliston <bje@au.ibm.com>
6989 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6990 negate dn -- manipulate it directly.
6992 2006-06-22 Roger Sayle <roger@eyesopen.com>
6993 Steven Bosscher <stevenb.gcc@gmail.com>
6996 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6997 generated by gen_move_insn to add REG_LABEL notes if necessary.
6999 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7001 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7002 (leaf_entry): Remove use of MIN_ESA.
7004 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7006 PR rtl-optimization/28121
7007 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7010 2006-06-21 DJ Delorie <dj@redhat.com>
7012 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7014 (mulhisi3_r): Likewise.
7016 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7019 * coverage.c (coverage_counter_alloc): Leave the index type
7021 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7024 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7026 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7027 section from the "Options for Code Generation Conventions".
7029 2006-06-21 Richard Henderson <rth@redhat.com>
7033 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7035 (global_symbolic_operand): Allow weak symbols, even if local_p.
7037 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7039 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7040 (find_interesting_uses_address): Punt if above function returns true.
7042 2006-06-21 Richard Guenther <rguenther@suse.de>
7044 * configure: Regenerated.
7046 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7048 * config/mips/mips.c (function_arg): Where one part of a
7049 complex argument is in registers and the other part in the stack,
7050 return a REG not a PARALLEL.
7052 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7054 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7055 when cross-compiling. Do not substitute libstdcxx_incdir.
7056 * configure: Regenerated.
7058 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7060 * varasm.c (mergeable_string_section): Check for embedded NULs and
7061 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7062 rather than TREE_STRING_LENGTH bytes.
7064 2006-06-21 Richard Guenther <rguenther@suse.de>
7066 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7067 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7070 2006-06-21 Richrad Guenther <rguenther@suse.de>
7072 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7073 Limit iteration over the dominators.
7075 2006-06-20 Roger Sayle <roger@eyesopen.com>
7077 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7078 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7080 2006-06-20 Richard Guenther <rguenther@suse.de>
7081 Michael Matz <matz@suse.de>
7083 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7085 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7086 * et-forest.h (et_free_pools): Prototype new function.
7087 * et-forest.c (et_free_tree_force): Free parent occurrence.
7088 (et_free_pools): New function.
7089 * dominance.c (free_dominance_info): Free et-forest alloc
7092 2006-06-20 Roger Sayle <roger@eyesopen.com>
7094 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7095 integer modes, attempt to directly construct an integer constant.
7097 * fold-const.c (native_encode_vector): Determine the size of each
7098 element from the vector type instead of the first vector element.
7100 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7101 if all of its elements/components are constant.
7102 (build_constructor_from_list): Likewise.
7104 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7106 PR tree-optimization/27331
7107 * tree-data-ref.c (free_data_ref): New function.
7108 (create_data_ref): Fail if the data reference has unknown access
7110 (free_data_refs): Use free_data_ref.
7112 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7115 * tree-inline.c (setup_one_parameter): Strip useless
7116 type conversion before adding it to the IR.
7117 (declare_return_variable): Likewise.
7119 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7122 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7124 2006-06-19 Mike Stump <mrs@apple.com>
7126 * tree.c (variably_modified_type_p): VM arguments don't make the
7129 2006-06-19 Richard Guenther <rguenther@suse.de>
7131 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7132 type conversions after folding.
7134 2006-06-19 Richard Guenther <rguenther@suse.de>
7136 * ggc-page.c (extra_order_size_tab): Add entries with
7137 size of struct function and basic_block.
7138 (size_lookup): Extend to cover sizes up to 511.
7139 (ggc_alloc_stat): Adjust user.
7140 (ggc_pch_count_object): Likewise.
7141 (ggc_pch_alloc_object): Likewise.
7142 (ggc_pch_write_object): Likewise.
7144 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7146 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7147 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7150 2006-06-19 Denis Chertykov <denisc@overta.ru>
7152 * config/avr/libgcc.S : Correct my wrong previous commit.
7154 2006-06-19 Roger Sayle <roger@eyesopen.com>
7157 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7158 have stripped a SUBREG from the shift count, so we may need to
7159 convert_to_mode back to the type's mode before calling make_tree.
7160 Use new_amount instead of amount to avoid expanding a tree twice.
7162 2006-06-19 Richard Guenther <rguenther@suse.de>
7165 * fold-const.c (operand_equal_p): Check if the argument types
7166 have the same precision before stripping NOPs.
7168 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7170 Fix PR tree-optimization/27341
7171 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7173 * tree-complex.c (pass_lower_complex): Update SMT usage.
7175 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7177 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7178 Add a new alternative to the constraint strings. Add move of
7179 operand 1 to 3 to the splitter definition.
7180 ("doloop_si_long"): Second contraint alternative removed.
7182 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7184 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7185 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7187 (AVR_HAVE_MOVW) Define.
7188 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7189 (ASM_SPEC): Add avr25.
7190 (LINK_SPEC): Add avr25.
7191 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7192 (base_arch_s): Add new member 'have_movw_lpmx'.
7193 (avr_arch_types): Init 'have_movw_lpmx'.
7194 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7195 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7196 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7197 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7198 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7200 (avr_file_start): Do not output '.arh' derective.
7201 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7202 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7203 * config/avr/avr.md (mcu_enhanced): Delete.
7204 (mcu_have_movw): Define.
7205 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7206 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7207 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7208 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7209 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7210 attiny861 and at86rf401 devices.
7212 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7214 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7217 2006-06-17 Karl Berry <karl@gnu.org>
7219 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7220 doc/gccint.texi, doc/install.texi (@dircategory): Use
7221 "Software development" instead of "Programming", following
7222 the Free Software Directory.
7224 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7226 * config/i386/i386.c (legitimate_tls_address)
7227 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7228 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7229 (*tls_dynamic_gnu2_combine_64): Likewise.
7231 2006-06-16 Richard Guenther <rguenther@suse.de>
7234 * fold-const.c (negate_expr_p): Do not introduce undefined
7235 overflow in negating INTEGER_CSTs.
7236 (fold_negate_expr): Rename from negate_expr. Revert last
7237 change for folding BIT_NOT_EXPR. Change semantics to
7238 return NULL_TREE for non-simplified negations. Do not
7239 strip type conversions and unify type handling.
7240 (negate_expr): New function, wrap around fold_negate_expr
7241 but ensure building a tree always. Strip type conversions
7242 here, fold to result type.
7243 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7245 2006-06-16 Roger Sayle <roger@eyesopen.com>
7248 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7249 that (would) return their results in stack registers.
7251 2006-06-16 Michael Matz <matz@suse.de>
7252 Richard Guenther <rguenther@suse.de>
7254 * fold-const.c (fold_truthop): Only return new tree node if
7255 we canonicalized something.
7257 2006-06-16 Richard Guenther <rguenther@suse.de>
7259 * function.h (enum function_frequency): Move declaration
7260 out of struct function.
7261 (struct function): Move bool fields and the enum to the bitfield
7262 section. Reorder elements to avoid padding. Remove unused
7263 fields left over from the RTL inliner removal.
7264 * function.c (free_after_compilation): Do not zero removed fields.
7265 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7266 (ipa-type-escape.o): Likewise.
7268 2006-06-16 Richard Guenther <rguenther@suse.de>
7270 * cgraph.h (struct cgraph_local_info): Turn bool elements
7272 (struct cgraph_node): Likewise.
7273 (struct cgraph_varpool_node): Likewise.
7275 2006-06-15 Richard Guenther <rguenther@suse.de>
7277 * fold-const.c (fold_truth_not_expr): Rename from
7278 invert_truthvalue. Give it fold_* semantics to avoid
7280 (invert_truthvalue): New function. Wrapper around
7281 fold_truth_not_expr.
7282 (optimize_minmax_comparison): Avoid creating garbage.
7283 (fold_unary): Use fold_truth_not_expr for folding
7285 (fold_ternary): Replace uses of invert_truthvalue with
7286 fold_truth_not_expr where applicable.
7287 * tree.h (fold_truth_not_expr): Prototype.
7289 2006-06-16 Richard Guenther <rguenther@suse.de>
7291 PR tree-optimization/27781
7292 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7293 * ipa-pure-const.c (target.h): Include.
7294 (analyze_function): Do not analyze functions that do not
7297 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7300 * tree-dfa.c (referenced_vars_dup_list): Remove.
7301 (find_referenced_vars): Remove assert.
7302 (referenced_var_check_and_insert): Replace dup list with assert.
7303 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7304 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7306 2006-06-15 Richard Guenther <rguenther@suse.de>
7308 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7309 extra unused identifiers if not dumping.
7310 (create_variable_info_for): Likewise.
7312 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7314 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7315 (derive_constant_upper_bound): Derive more precise upper bound in
7316 common cases. Return type changed to double_int.
7317 (record_estimate): Reflect the changed return type of
7318 derive_constant_upper_bound.
7319 * double-int.c (double_int_zext, double_int_sext): Fix.
7321 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7323 * configure.ac (CFLAGS): Get them from the toplevel or from the
7324 configure invocation.
7325 * configure: Regenerate.
7326 * Makefile.in (CFLAGS): Substitute value provided by configure.
7328 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7331 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7332 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7333 rather than calling add_stmt on it.
7334 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7336 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7339 * reload1.c (reload): Remove registers returned by update_eliminables
7340 from used_spill_regs.
7342 2006-06-13 DJ Delorie <dj@redhat.com>
7344 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7346 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7348 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7349 html__strip_dir, html__mkdir_p. Enhance install-html target.
7350 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7351 * configure: Regenerate.
7353 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7355 * fold-const.c (fold_cond_expr_with_comparison): Check for
7356 Objective-C++ as language in deciding COND_EXPR transformation.
7358 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7361 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7362 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7363 * config/sh/lib1funcs.h (SL, SL1): Define.
7364 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7365 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7366 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7367 (OBJS_Os_4_200): New variable.
7368 ($(T)libgcc-Os-4-200.a): Use it.
7369 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7370 when dividing 1 and/or by 0.
7372 2006-06-13 Roger Sayle <roger@eyesopen.com>
7374 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7375 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7376 * configure: Regenerate.
7378 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7380 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7381 for real instruction.
7383 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7386 * haifa-sched.c (check_cfg): Handle special case.
7388 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7391 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7392 Add debug_info parameter. Chain the vars to the BLOCK instead
7393 of the BIND_EXPR if debug info are requested for them.
7394 (pop_gimplify_context): Adjust for above change.
7395 (gimple_add_tmp_var): Likewise.
7396 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7398 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7399 (convert_local_reference): Likewise.
7400 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7401 (finalize_nesting_tree_1): Request that debug info be emitted
7402 for debug_var_chain.
7404 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7406 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7407 for PR target/27863.
7409 2006-06-13 Richard Guenther <rguenther@suse.de>
7412 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7414 2006-06-13 Richard Guenther <rguenther@suse.de>
7416 PR tree-optimization/27830
7417 * tree-inline.c (copy_body_r): For copying the operand
7418 of an ADDR_EXPR make sure to fold &* afterwards.
7420 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7422 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7423 lvalues in the fb_none case with side-effects.
7425 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7427 * tree-flow.h: Remove the prototype for
7428 compute_phi_arg_on_exit.
7429 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7430 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7433 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7435 * builtins.c (expand_builtin_return_addr): Only use
7436 frame_pointer_rtx when count == 0 and we are expanding
7437 __builtin_return_address.
7439 2006-06-12 Fred Fish <fnf@specifix.com>
7441 * config/mips/mips.c (mips_file_start): Create special section
7442 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7444 2006-06-11 Eric Christopher <echristo@apple.com>
7447 * stor-layout.c (place_field): Remove check for
7448 remaining_in_alignment when aligning at the end of a run.
7450 2006-06-11 Eric Christopher <echristo@apple.com>
7453 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7456 2006-06-11 Roger Sayle <roger@eyesopen.com>
7459 Revert incorrect fix for PR target/27158
7460 2006-05-08 Roger Sayle <roger@eyesopen.com>
7461 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7462 of a reg_equiv_constant if the result is a legitimate constant.
7464 2006-06-11 Roger Sayle <roger@eyesopen.com>
7467 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7468 extract a CONST_VECTOR element and interpret it as an integer.
7469 (vspltis_constant): Use const_vector_elt_as_int instead of the
7470 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7471 * config/rs6000/predicates.md (easy_vector_const): Consider
7472 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7474 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7477 * stor-layout.c (update_alignment_for_field): Don't add extra
7478 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7481 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7483 * config/mips/t-rtems: Add EL/EB multilib variants.
7485 2006-06-09 Mike Stump <mrs@apple.com>
7487 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7489 2006-06-09 David Daney <ddaney@avtrex.com>
7491 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7493 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7495 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7497 2006-06-09 Richard Guenther <rguenther@suse.de>
7499 PR tree-optimization/26998
7500 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7501 of signed types, only TYPE_MIN_VALUE is special, but for both,
7502 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7503 in this case, as is -fwrapv.
7505 2006-06-08 Mike Stump <mrs@apple.com>
7508 * config/darwin.c (darwin_asm_output_anchor): Disable
7509 -fsection-anchors on darwin for now.
7510 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7511 * rs6000/rs6000.c (optimization_options): Likewise.
7513 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7516 * config/i386/i386.c (classify_argument): Skip fields with invalid
7519 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7521 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7522 (cse_insn): Likewise for the stack_pointer_rtx.
7524 2006-06-08 Roger Sayle <roger@eyesopen.com>
7526 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7527 conditions from floating point comparisons.
7529 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7532 * expmed.c (struct alg_hash_entry): Fix type of field T
7533 to match synth_mult argument.
7534 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7536 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7539 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7542 2006-06-08 Richard Guenther <rguenther@suse.de>
7545 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7546 only, if overflow is defined and not trapping.
7547 (negate_expr): Likewise.
7549 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7551 PR tree-optimization/27872
7552 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7553 flag on the new exit edge of the unrolled loop.
7555 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7557 PR rtl-optimization/26449
7558 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7560 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7563 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7564 referenced_variables with matching DECL_UID's.
7565 (find_referenced_vars): Make sure duplicate list is empty to start.
7566 (referenced_var_p): Remove.
7567 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7568 Check if var is in the list, and add if needed. Update the duplicate
7569 list if a different var is in the list with the same DECL_UID.
7570 (add_referenced_var): Call routine to check and insert.
7571 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7572 * tree-flow.h (referenced_vars_dup_list): External declaration.
7574 2006-06-07 Fred Fish <fnf@specifix.com>
7576 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7579 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7582 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7583 the imaginary and real parts of a clobbered register.
7584 Emit insn to set the imaginary part.
7586 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7588 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7589 in lieu of unwind-dw2-fde.c.
7591 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7593 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7595 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7598 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7599 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7600 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7601 V4SImode temporaries and operations instead.
7603 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7605 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7608 2006-06-06 Mike Stump <mrs@apple.com>
7610 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7611 installing during build.
7613 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7615 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7617 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7618 * config/ia64/ia64.c (params.h): New header.
7619 (ia64_optimization_options): New function to adjust parameters.
7620 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7621 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7622 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7624 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7626 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7628 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7631 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7633 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7634 Victor Kaplansky <victork@il.ibm.com>
7636 PR tree-optimization/26360
7637 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7640 2006-06-04 Roger Sayle <roger@eyesopen.com>
7641 Andrew Pinski <pinskia@physics.uc.edu>
7644 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7645 for LABEL_DECL before calling DECL_WEAK.
7648 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7649 LABEL_DECL and PARM_DECL.
7651 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7655 * c-decl.c (grokdeclarator): Disallow variably modified types at
7656 file scope. Avoid marking shared array type of constant size as
7659 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7662 * c-common.c (fold_offsetof_1): Handle static members.
7664 2006-06-04 Eric Christopher <echristo@apple.com>
7666 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7667 (debug_rli): Output value for remaining_in_alignment.
7668 (update_alignment_for_field): Unconditionalize
7669 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7670 extra alignment code.
7671 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7672 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7673 * tree.h (record_layout_info_s): Remove prev_packed.
7674 * doc/extend.texi (ms_struct): Add documentation of format.
7676 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7678 * tree.h: Declare folding_initializer.
7679 * builtins.c (fold_builtin_constant_p): Give definite answer
7680 if folding inside an initializer.
7681 * fold-const.c: Define folding_initializer.
7682 (START_FOLD_INIT): Save and then set folding_initializer.
7683 (END_FOLD_INIT): Restore folding_initializer.
7685 2006-06-04 Richard Guenther <rguenther@suse.de>
7687 PR tree-optimization/27039
7688 * fold-const.c (fold_comparison): Handle pointer comparison
7689 again for all comparison codes. Compare offsets in signed
7691 (fold_binary): Move code from here.
7693 2006-06-03 Roger Sayle <roger@eyesopen.com>
7696 * config/i386/i386.c (construct_container): Split static issued_error
7697 flag into issued_sse_arg_error, issued_sse_ret_error and
7698 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7699 requires the use of x87 registers and the user explicitly
7700 specified the -mno-80387 command line option.
7702 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7704 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7705 HAVE_DECL_SIGALTSTACK.
7707 (segv_handler): Use MC_FLD.
7708 * configure.ac: Check for a sigaltstack declaration.
7709 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7710 * configure: Regenerate.
7711 * config.in: Regenerate.
7713 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7716 * Makefile.in (stmp-fixinc): Fix typo.
7718 2006-06-02 Roger Sayle <roger@eyesopen.com>
7720 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7721 are type correct. Clean-up.
7722 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7723 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7725 2006-06-01 DJ Delorie <dj@redhat.com>
7727 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7728 shift, as we've disabled the "switch" insn that needs it.
7730 2006-06-01 Per Bothner <bothner@bothner.com>
7732 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7733 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7734 * c-ppoutput.c (cb_define): Don't increment line 0.
7736 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7738 * doc/invoke.texi: Add cpu_type power6.
7739 * config.gcc: Add cpu_type power6.
7740 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7741 to power5+ with Altivec.
7742 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7743 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7745 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7747 * config/avr/avr.h (SET_ASM_OP): Define.
7749 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7751 * config/bfin/bfin.c: Fix comment typos.
7753 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7756 * doc/install.texi: Document --enable-bootstrap and
7757 --disable-bootstrap.
7759 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7761 * doc/install.texi: Document that InfoZIP can replace jar.
7763 2006-05-31 Roger Sayle <roger@eyesopen.com>
7765 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7766 isn't available, directly generate the simpler x87 patterns without
7767 the (use (const_int 0)).
7768 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7769 implementation isn't available.
7770 (*negdf2_1): Likewise.
7771 (*negxf2_1): XF mode negation is always done using the x87.
7772 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7774 2006-05-31 Roger Sayle <roger@eyesopen.com>
7776 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7777 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7779 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7781 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7783 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7784 * config/bfin/bfin.c (basic-block.h): Include.
7785 (struct machine_function): New.
7786 (bfin_init_machine_status): New.
7787 (override_options): Initialize init_machine_status.
7788 (bfin_hardware_loop): New.
7789 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7790 (DEF_VEC_P (loop_info)): New.
7791 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7792 (struct loop_info): New.
7793 (loop_info): New typedef.
7794 (struct loop_work): New.
7795 (loop_work): New typedef.
7796 (DEF_VEC_O (loop_work)): New.
7797 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7798 (bfin_dump_loops): New.
7799 (bfin_bb_in_loop): New.
7800 (bfin_scan_loop): New.
7801 (bfin_optimize_loop): New.
7802 (bfin_reorg_loops): New.
7803 (bfin_reorg): Use bfin_reorg_loops.
7804 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7806 (I_REGNO_P): Simplify.
7807 (DP_REGNO_P, DPREG_P): New macros.
7808 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7809 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7810 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7811 Add LT_REGS, LC_REGS, LB_REGS.
7812 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7814 (REGNO_REG_CLASS): Deal with loop registers.
7815 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7817 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7818 New constants for loop registers.
7819 (UNSPEC_LSETUP_END): New.
7820 (seq_insns): New define_attr. Set it for appropriate insns.
7821 (movsi_insn): Add alternatives for move from/to
7822 loop count registers.
7823 (doloop_end): New define_expand.
7824 (loop_end): New define_insn.
7825 (define_split for bad doloop_end): New.
7826 (lsetup_with_autoinit): New define_insn.
7827 (lsetup_without_autoinit): New define_insn.
7828 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7829 * config/bfin/predicates.md (lc_register_operand): New.
7830 (lt_register_operand): New.
7831 (lb_register_operand): New.
7832 (nondp_register_operand): New.
7833 (nondp_reg_or_memory_operand): New.
7834 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7836 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7838 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7839 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7841 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7843 * Makefile.in (CATALOGS): Add po/ prefix.
7844 * configure: Regenerated.
7846 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7849 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7850 a shift operand before calling shift_op. Avoid redundant call of
7853 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7854 DJ Delorie <dj@redhat.com>
7856 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7857 we're inserting is a singlt-bit constant.
7859 2006-05-30 Roger Sayle <roger@eyesopen.com>
7861 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7862 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7864 2006-05-30 Roger Sayle <roger@eyesopen.com>
7866 PR tree-optimization/23452
7867 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7868 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7869 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7870 complex values and with -ffast-math for FP complex values.
7872 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7874 * c-common.h: Remove the prototype for yyparse.
7875 * rtl.h: Remove the prototype for init_loop.
7877 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7879 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7882 2006-05-30 Roger Sayle <roger@eyesopen.com>
7884 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7886 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7887 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7889 2006-05-30 Dirk Mueller <dmueller@suse.de>
7892 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7893 for CONSTANT_CLASS_P expresisons.
7895 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7898 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7900 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7902 PR tree-optimization/27779
7903 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7904 initial_condition instead of CHREC_LEFT.
7906 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7908 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7909 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7910 Make prototypes ISO C90.
7912 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7913 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7915 * see.c (see_analyze_one_def): Correct check.
7916 (see_get_extension_data): Check if extension is parallel.
7917 (see_get_extension_reg): Likewise.
7919 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7922 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7923 into register for (code == GTU).
7925 2006-05-29 Roger Sayle <roger@eyesopen.com>
7927 PR tree-optimization/24964
7928 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7929 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7930 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7931 abs(x)*abs(x) as x*x for scalar floating point modes.
7933 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7936 * lambda-code.c (perfect_nestify): Don't copy statements
7937 in the inner loop: move them to the inner loop header.
7939 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7942 * c-tree.texi: Document OpenMP directives and clauses.
7944 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7946 * varasm.c (globalize_decl): Fix indentation.
7948 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7951 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7952 pass_fre, pass_store_ccp, pass_copy_prop,
7953 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7954 pass_return_slot, pass_object_size, pass_lim,
7955 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7956 pass_loop_prefetch and pass_stdarg.
7958 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7960 * config/bfin/bfin.opt (mfdpic): New option.
7961 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7962 (EXTRA_MULTILIB_PARTS): Likewise.
7963 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7964 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7966 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7967 (CRT_CALL_STATIC_FUNCTION): New.
7968 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7970 (CRT_CALL_STATIC_FUNCTION): New.
7971 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7973 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7974 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7975 (initialize_trampoline): Changed to handle FD-PIC code generation.
7976 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7977 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7978 (override_options): Disallow -mid-shared-library -mfdpic combination.
7979 Can't do unaligned ops if FD-PIC.
7980 Turn off flag_pic if trying to generate non-id-shared-library
7981 non-fdpic code, since it's not supported.
7982 (bfin_assemble_integer): New function.
7983 (TARGET_ASM_INTEGER): Define.
7984 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7986 * config/bfin/crtn.s: Restore them.
7987 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7989 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7990 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7991 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7992 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7993 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7995 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7996 FDPIC_REGS and FDPIC_FPTR_REGS.
7997 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7998 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7999 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8000 (load_funcdescsi): New pattern.
8001 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8002 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8003 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8005 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8007 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8010 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8012 * tree-flow.h: Remove the prototype for add_type_alias.
8013 * tree-ssa-alias.c (add_type_alias): Remove.
8015 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8017 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8018 config/fr30/fr30.md, config/i386/i386-interix.h,
8019 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8020 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8021 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8022 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8023 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8024 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8025 Follow spelling conventions.
8026 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8027 Follow spelling conventions.
8029 2006-05-27 Richard Guenther <rguenther@suse.de>
8032 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8033 to produce a constant of value 1 of generic type.
8035 2006-05-27 Dirk Mueller <dmueller@suse.de>
8037 * cgraphunit.c (decide_is_function_needed): Fix wrong
8040 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8042 PR rtl-optimization/27661
8043 * reload.c (find_reloads): When reloading a VOIDmode constant
8044 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8045 use Pmode as mode of the reload register.
8047 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8049 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8050 is enabled at -O and above.
8052 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8055 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8058 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8061 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8062 for anonymous variables explicitly declared by front ends.
8064 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8066 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8067 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8068 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8069 ref-all pointers, run a finalization pass for them.
8070 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8071 (finalize_ref_all_pointers): New function.
8072 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8073 regular pointer type to a ref-all pointer type.
8074 (get_tmt_for): Return the special memory tag for ref-all pointers.
8076 2006-05-25 Richard Guenther <rguenther@suse.de>
8079 * fold-const.c (fold_binary): Do not look at the stripped
8080 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8082 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8084 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8085 for LT and GT if the computed range is effectively empty.
8087 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8090 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8091 mips_quad_format formats instead of ieee_single_format,
8092 ieee_double_format and ieee_quad_format formats, respectively.
8094 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8096 PR tree-optimization/27639
8097 PR tree-optimization/26719
8098 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8099 call to scev_probably_wraps_p.
8100 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8101 used_in_pointer_arithmetic_p, convert_step): Removed.
8102 (nowrap_type_p): New function.
8103 (scev_probably_wraps_p): Rewritten.
8104 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8105 chrec_convert if chrec_convert_aggressive might have been used.
8106 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8107 scev_direction): New functions.
8108 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8109 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8110 instead of convert_step.
8111 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8112 (convert_step): Declaration removed.
8113 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8115 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8117 * df-core.c: Added to header comments.
8118 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8119 df_ur_bb_info, df_urec_bb_info): Added comments.
8120 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8121 urec, ri problems): Fixed header comments.
8122 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8123 code from df_rd_transfer_function.
8125 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8127 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8128 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8129 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8131 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8133 * expr.c (undefined_operand_subword_p): New.
8134 (emit_move_multi_word): Do not generate move from undefined bits
8135 of a paradoxical subreg.
8137 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8139 PR rtl-optimization/27736
8140 * combine.c (replaced_rhs_value): New variable.
8141 (combine_instructions): Set it.
8142 (distribute_notes): When distributing a note in replaced_rhs_insn,
8143 check whether the value was used in replaced_rhs_value.
8145 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8148 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8149 add_referenced_var instead of add_referenced_tmp_var.
8150 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8151 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8153 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8154 tree_optimize_tail_calls_1): Use add_referenced_var.
8155 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8156 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8157 Use add_referenced_var.
8158 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8159 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8160 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8161 Use add_referenced_var.
8162 * tree-dfa.c (struct walk_state): Remove.
8163 (find_referenced_vars): Remove walk state and vars_found hash table.
8164 (make_rename_temp): Use add_referenced_var.
8165 (find_vars_r): Pass less parameters to add_referenced_var.
8166 (referenced_var_p): New. Is var in referenced_var hash table.
8167 (referenced_var_insert): Assert var isn't already in hash table.
8168 (add_referenced_var): Don't need walk_state parameter. Add var if it
8169 isn't already in the hash table.
8170 (add_referenced_tmp_var): Remove.
8171 (find_new_referenced_vars_1): Use add_referenced_var.
8172 * tree-ssa-pre.c (create_expression_by_pieces,
8173 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8174 Use add_referenced_var.
8175 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8176 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8177 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8179 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8180 vect_create_data_ref_ptr, vect_create_destination_var,
8181 vect_init_vector, vect_build_loop_niters,
8182 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8183 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8184 Use add_referenced_var.
8185 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8186 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8187 (add_referenced_var): Add prototype.
8188 * tree-ssa-structalias.c (get_constraint_for,
8189 intra_create_variable_infos): Use add_referenced_var.
8191 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8193 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8194 big-endian paradoxical subregs.
8195 * var-tracking.c (struct micro_operation_def): Document that,
8196 for modify micro operations, insn is the subsequent instruction.
8197 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8198 (var_reg_set, var_mem_set): ... new functions.
8199 (add_stores): Record subsequent insn.
8200 (compute_bb_dataflow): Use new functions for MO_USE.
8201 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8202 notes after the insn, and modify notes before the insn known
8203 to be the subsequent one.
8204 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8206 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8209 * config/i386/i386.c (ix86_expand_builtin): Use
8210 gen_sse3_monitor64 for TARGET_64BIT.
8212 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8214 PR rtl-optimization/26375
8215 PR rtl-optimization/26855
8216 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8218 (df_ru_bb_local_compute): Reversed statements and removed bogus
8219 comment explaining why they should be in wrong order.
8220 (df_ru_dump, df_rd_dump): Enhanced debug info.
8221 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8223 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8224 reaching uses and fixed space problem.
8226 2006-05-23 Jan Hubicka <jh@suse.cz>
8228 * cgraphunit.c (decide_is_function_needed): Also nested functions
8229 and functions declared inline can be optimized out at -O0.
8231 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8233 * doc/install.texi (Configuration): Remove reference to CrossGCC
8237 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8240 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8241 ix86_compare_emitted is non-NULL.
8243 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8246 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8249 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8251 PR rtl-optimization/25514
8252 * combine.c (replaced_rhs_insn): New variable.
8253 (combine_instructions): Set replaced_rhs_insn when trying to replace
8254 a SET_SRC with a REG_EQUAL note.
8255 (distribute_notes): Use replaced_rhs_insn when determining the live
8256 range of a REG_DEAD register.
8258 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8259 Anatoly Sokolov <aesok@post.ru>
8261 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8262 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8263 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8264 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8265 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8266 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8267 at90usb647, at90usb1286 and at90usb1287 devices.
8268 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8269 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8271 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8273 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8275 2006-05-22 Richard Guenther <rguenther@suse.de>
8278 2006-01-31 Richard Guenther <rguenther@suse.de>
8279 Paolo Bonzini <bonzini@gnu.org>
8281 * doc/install.texi (--disable-libgcc-math): Document.
8283 2006-05-22 Richard Guenther <rguenther@suse.de>
8286 2006-01-31 Richard Guenther <rguenther@suse.de>
8288 * doc/invoke.texi (-msselibm): Document.
8289 * target.h (expand_library_builtin): New target hook.
8290 * builtins.c (expand_builtin): Use expand_library_builtin.
8291 (default_expand_library_builtin): New function.
8292 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8293 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8294 (link_gcc_math_spec): Declare.
8295 (static_specs): Add link_gcc_math_spec.
8296 * expr.h (default_expand_library_builtin): Declare.
8297 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8298 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8299 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8300 * config/i386/i386.opt (msselibm): New target option.
8301 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8302 (ix86_init_sse_abi_builtins): New function.
8303 (ix86_expand_library_builtin): Likewise.
8304 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8305 (override_options): Handle error conditions wrt -msselibm.
8306 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8307 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8308 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8311 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8314 * c-common.c (self_promoting_args_p): Skip erroneous args.
8317 * c-decl.c (finish_struct): Skip erroneous fields.
8319 2006-05-22 Nick Clifton <nickc@redhat.com>
8321 * config/cris/cris.opt (march): Remove VarExists attribute.
8322 (max-stackframe=): Likewise.
8324 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8326 * doc/rtl.texi: Fix a typo.
8327 * see.c: Fix comment typos.
8329 * tree-ssa-structalias.h (alias_info): Remove num_references.
8331 2006-05-21 Mike Stump <mrs@apple.com>
8333 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8335 (darwin_pragma_options): Use BAD instead.
8336 (darwin_pragma_unused): Likewise.
8337 (darwin_pragma_ms_struct): Likewise.
8339 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8341 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8343 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8345 PR rtl-optimization/27671
8346 * simplify-rtx.c (simplify_relational_operation_1): Fix
8347 simplifications of (eq/ne (xor x y) y) and
8348 (eq/ne (xor x y) x).
8350 PR tree-optimization/26622.
8351 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8354 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8356 * tree-cfg.c: Prune whitespace.
8357 (debug_tree_cfg): Point to correct header containing the
8360 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8363 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8365 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8368 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8369 or sorry count is non zero.
8371 2006-05-20 Andreas Schwab <schwab@suse.de>
8373 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8375 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8376 Kenneth Zadeck <zadeck@naturalbridge.com>
8378 PR rtl-optimization/26855
8380 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8382 (df_scan_alloc): Added code to properly handle multiword hard
8383 registers and add all_blocks parameter.
8384 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8385 code to properly handle multiword hard registers.
8386 (df_rescan_blocks): Added code to remove deleted blocks from
8388 (df_ref_create_structure, df_ref_record): Added code to properly
8390 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8391 and set DF_REF_PARTIAL.
8392 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8393 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8394 (df_scan_add_problem): Added flags parameter.
8395 (df_ref_create_structure): Changed switching structure.
8396 (df_bb_refs_record): Fixed case where duplicate artificial refs
8397 were created. Changed location of flags.
8398 (df_record_entry_block_defs): Added code to make stack pointer
8399 live in entry block. Refined cases where frame pointer is needed.
8400 Changed location of flags.
8401 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8402 (df_set_state): Removed function.
8403 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8404 df_insn_create_insn_record, df_insn_refs_delete,
8405 df_ref_create_structure): Formatting changes.
8406 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8407 df_delete_basic_block): New function.
8408 (df_init): Changed location of flags.
8409 (df_add_problem): Added flags parameter and the way flags are
8411 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8412 debug_df_chain): Improved debugging output.
8413 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8414 (df_refs_chain_dump): Removed df parameter.
8415 (df_iterative_dataflow): Added consistency check.
8416 (df_prune_to_subcfg): Made public.
8417 (df_analyze_problem): Added blocks_to_init parameter and made
8419 (df_ref_record, df_bb_refs_record, df_mark_reg,
8420 df_record_exit_block_uses): Whitespace changes.
8421 (df_dump): Whitespace changes.
8422 * df.h: Some reordering to remove forward references.
8423 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8424 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8425 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8426 (dataflow.flags): New field.
8427 (df.flag): Deleted field.
8428 (df_alloc_function): Added additional bitmap parameter.
8429 (df_dependent_problem_function): New type.
8430 (df_problem.changeable_flags): New field.
8431 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8432 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8433 (df_mw_hardreg): New struct.
8434 (DF_INSN_UID_MWS): New macro.
8435 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8437 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8438 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8439 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8440 (df_set_state): Removed function.
8441 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8442 * df-problems.c (df_chain_dump): Removed df parameter.
8443 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8444 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8446 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8447 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8448 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8449 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8450 DF_REF_MUST_CLOBBER cases.
8451 (df_ru_bb_local_compute_process_def,
8452 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8453 df_lr_bb_local_compute, df_ur_bb_local_compute,
8454 df_chain_create_bb): Made subreg aware.
8455 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8456 df_lr_bb_local_compute, df_lr_bb_local_compute,
8457 df_chain_create_bb): Cleanup to use proper macros.
8458 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8459 code to fixup bitvectors.
8460 (df_ri_alloc): Cleared lifetime.
8461 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8462 df_create_unused_note): New function.
8463 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8464 REG_DEAD and REG_UNUSED notes as well as register information.
8465 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8466 df_chains_dump): Fixed crash if problem was never run.
8467 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8468 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8469 df_ri_add_problem): Processes flags in uniform manner.
8470 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8471 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8472 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8473 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8474 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8475 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8476 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8477 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8478 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8479 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8480 * see.c (see_initialize_data): Ditto.
8481 * final.c (rest_of_clean_state) Added regstack_completed.
8482 * rtl.h (regstack_completed): Ditto.
8483 * reg-stack.c (regstack_completed): Ditto.
8485 2006-05-19 Mike Stump <mrs@apple.com>
8487 * c-tree.h (default_conversion): Remove.
8488 * c-common.h (default_conversion): Add.
8490 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8492 * tree-vrp.c (valid_value_p): New function.
8493 (adjust_range_with_scev): Fail if the value of bound is not
8496 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8498 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8499 (mips_fallback_frame_state): Use syscall numbers to determine
8500 the appropriate li instruction for the current ABI. Only use
8501 __NR_sigreturn for o32.
8503 2006-05-19 Nicolas Setton <setton@adacore.com>
8505 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8506 * langhooks.c (lhd_dwarf_name): New function.
8507 * langhooks-def.h (lhd_dwarf_name): Declare.
8508 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8509 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8511 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8513 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8515 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8516 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8517 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8518 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8519 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8520 determine the size of Wtype, etc.
8521 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8522 (swfloatfuncs): New variable.
8523 (dwfloatfuncs): Likewise.
8524 (lib2funcs): Remove floating-point conversion functions from
8525 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8526 the set of conversion routines needed. Allow entries to specify
8527 an object name, filename and word size. Update users accordingly.
8528 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8529 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8533 2006-02-08 Roger Sayle <roger@eyesopen.com>
8536 * config/fixtfdi.c: New libgcc source file.
8537 * config/fixunstfdi.c: New source file.
8538 * config/floatditf.c: New source file.
8539 * config/floatunditf.c: New souce file.
8540 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8541 files above instead of config/mips/_tilib.c.
8542 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8544 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8546 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8547 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8549 2006-05-18 Mike Stump <mrs@apple.com>
8551 Fix up vla, vm and [*] sematics.
8557 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8558 (c_vla_unspec_p): Add.
8559 (c_vla_type_p): Add.
8560 * c-decl.c (struct c_scope): Add had_vla_unspec.
8561 (build_array_declarator): Add support for [*].
8562 (grokdeclarator): Likewise.
8563 (grokparms): Likewise.
8564 (get_parm_info): Likewise.
8565 * c-objc-common.c (c_vla_unspec_p): Likewise.
8566 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8567 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8568 typeof when argument is a variably modified type not inside sizeof or alignof.
8569 (c_parser_direct_declarator_inner): Propagate errors.
8570 (c_parser_sizeof_expression): Add support for [*].
8571 (c_parser_parms_declarator): Initialize had_vla_unspec.
8572 (c_parser_parms_list_declarator): Likewise.
8573 * c-typeck.c (c_vla_type_p): Add.
8574 (composite_type): Add support for vla compositing.
8575 (comptypes_internal): Add support for vla compatibility.
8576 (c_expr_sizeof_expr): Evaluate vla arguments.
8577 * tree.c (variably_modified_type_p): Update comment for [*].
8579 2006-05-18 Michael Matz <matz@suse.de>
8582 * config.host: Make assignments to host_xmake_file cumulative.
8583 * config.host (*-darwin*): Test $host, not $target.
8585 2006-05-12 Stuart Hastings <stuart@apple.com>
8587 * config/i386/i386.opt (-mstackrealign): New flag.
8588 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8589 (ix86_handle_cconv_attribute): Emit error when
8590 force_align_arg_pointer attribute collides with too many regparms.
8591 (ix86_function_regparm): Limit regparms when used with
8592 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8593 Support stack-realigning prologue in non-main functions. Emit
8594 warning for nested functions under -mstackrealign, emit error for
8595 nested functions with force_align_arg_pointer attribute.
8596 * doc/extend.texi (force_align_arg_pointer): Document it.
8597 * doc/invoke.texi (-mstackrealign): Document it.
8599 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8601 PR rtl-optimization/27477
8602 * combine.c (try_combine): Don't split a parallel consisting
8603 of two sets into two individual sets if both sets reference
8606 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8608 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8609 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8611 * doc/options.texi (VarExists): Updated.
8613 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8615 * unwind-dw2.c: Add declarations for uw_update_context and
8617 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8618 detected, advance frame state and context once to skip over stub.
8620 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8624 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8625 Call rewrite_into_loop_closed_ssa only when something changed.
8626 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8627 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8628 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8629 Test for perfect_nest_p here. Fix formating.
8630 (replace_uses_equiv_to_x_with_y): Fix formating.
8631 (stmt_uses_op): Removed.
8632 (can_convert_to_perfect_nest): Removed loopivs parameter.
8633 Complete the test by checking the scalar dependences.
8634 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8637 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8640 From Dan Kegel <dank@kegel.com>:
8641 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8643 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8645 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8646 if the element type is variably modified without recursing.
8648 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8651 * tree-loop-linear.c (try_interchange_loops): Test for
8652 no data dependences.
8654 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8656 PR tree-optimization/27548
8657 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8658 range of ssa names that appear on abnormal edges.
8659 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8660 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8662 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8665 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8667 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8670 * tree.h (OMP_PARALLEL_COMBINED): Define.
8671 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8672 (new_omp_context): Add is_combined_parallel argument.
8673 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8674 new_omp_context caller.
8675 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8676 Adjust gimplify_scan_omp_clauses callers.
8677 (omp_is_private): Issue errors if iteration variable is firstprivate
8678 or reduction in the current context.
8679 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8680 on combined parallel workshare constructs.
8682 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8684 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8685 (gcc-options.o): New rule.
8687 * optc-gen.awk: Protect variables for gcc-options.o with
8688 #ifdef GCC_DRIVER/#endif.
8690 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8692 Fix PR tree-optimization/27373
8693 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8694 (forward_propagate_addr_expr): Update call.
8696 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8698 * doc/options.texi: Move the Negative option.
8700 2006-05-16 Richard Guenther <rguenther@suse.de>
8702 PR tree-optimization/22303
8703 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8705 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8706 ccp_fold did not simplify the statement.
8708 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8711 * Makefile.in (GCC_OBJS): New.
8712 (OBJS-common): Add opts-common.o.
8713 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8714 (cpp$(exeext)): Likewise.
8715 (gcc.o): Also depend on opts.h.
8716 (opts-common.o): New.
8718 * common.opt (gcoff): Add Negative(gdwarf-2).
8719 (gdwarf-2): Add Negative(gstabs).
8720 (gstabs): Add Negative(gstabs+).
8721 (gstabs+): Add Negative(gvms).
8722 (gvms): Add Negative(gxcoff).
8723 (gxcoff): Add Negative(gxcoff+).
8724 (gxcoff+): Add Negative(gcoff).
8725 * config/i386/i386.opt (m32): Add Negative(m64).
8726 (m64): Add Negative(m32).
8728 * doc/options.texi: Document the Negative option.
8730 * gcc.c: Include "opts.h".
8731 (main): Call prune_options after expandargv.
8733 * optc-gen.awk: Generate common declarations for all flag
8734 variables in options.c. Output the neg_index field.
8736 * opts.c (find_opt): Moved to ...
8737 * opts-common.c: Here. New file.
8739 * opts.h (cl_option): Add a neg_index field.
8741 (prune_options): Likewise.
8743 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8746 * omp-low.c (expand_omp_parallel): Don't assert
8747 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8748 instead search for it.
8751 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8754 2006-05-16 Andreas Schwab <schwab@suse.de>
8756 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8759 2006-05-15 Roger Sayle <roger@eyesopen.com>
8762 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8763 integer constants other than zero are only legitimate on TARGET_64BIT.
8764 <CONST_VECTOR> Only zero vectors are legitimate.
8765 (ix86_cannot_force_const_mem): Integral and vector constants can
8766 always be put in the constant pool.
8768 2006-05-16 DJ Delorie <dj@redhat.com>
8770 * crtstuff.c (__dso_handle): Set section from
8771 TARGET_LBIGCC_SDATA_SECTION if defined.
8772 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8773 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8775 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8778 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8781 2006-05-16 Ben Elliston <bje@au.ibm.com>
8783 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8785 2006-05-15 Per Bothner <per@bothner.com>
8787 * tree.c: (last_annotated_node): Use source_locus typedef.
8788 This permits bootstrapping with --enable-mapped-location.
8790 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8792 PR tree-optimization/26830
8793 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8794 (info_for_ssa_name, current_info_for_ssa_name_age,
8795 blocks_to_update): New variables.
8796 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8797 (clear_ssa_name_info, initialize_flags_in_bb,
8798 mark_block_for_update): New functions.
8799 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8800 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8801 prepare_def_site_for): Use mark_block_for_update.
8802 (mark_def_interesting): Assert that the processed block is marked in
8803 blocks_to_update. Do not take blocks argument.
8804 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8806 (rewrite_update_init_block, rewrite_update_stmt): Only process
8807 blocks with statements to rewrite.
8808 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8809 (update_ssa): Initialize and free blocks_to_update. Do not
8810 clear flags on statements. Do not use blocks bitmap.
8811 * tree.h (SSA_NAME_AUX): Removed.
8812 (struct tree_ssa_name): Removed aux field.
8813 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8815 2006-05-15 Richard Guenther <rguenther@suse.de>
8817 PR tree-optimization/27603
8818 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8819 Do computations in original type.
8821 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8823 * see.c: Code style changes such as redundant paranthesis,
8824 redundant intialization of local variables etc.
8825 (see_main): Declared now as static.
8826 * doc/invoke.texi: Update that -fsee is not enabled by
8829 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8831 * omp-low.c (check_omp_nesting_restrictions): New function.
8832 (scan_omp_1): Call it.
8835 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8836 construct, return *VAR.
8838 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8840 PR rtl-optimization/27406
8841 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8844 2006-05-14 Roger Sayle <roger@eyesopen.com>
8846 PR rtl-optimization/27538
8847 * combine.c (expand_compound_operation): Call gen_lowpart
8848 before calling simplify_shift_const.
8850 2006-05-14 Roger Sayle <roger@eyesopen.com>
8852 PR rtl-optimization/22563
8853 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8854 a fixed width bitfield, always force the intermediates into psuedos.
8856 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8859 * mkconfig.sh: Use operator = instead of == for test.
8861 2006-05-13 Nick Clifton <nickc@redhat.com>
8863 * dwarf2out.c (dbx_reg_number): Check return value from
8864 LEAF_REG_REMAP and only use it if it is valid.
8865 (multiple_reg_loc_descriptor): Likewise.
8867 2006-05-13 Richard Guenther <rguenther@suse.de>
8869 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8872 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8874 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8875 information attached to non-INSNs such as NOTEs.
8876 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8878 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8880 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8882 * config/s390/s390.md: Adjust comment describing On constraint.
8884 2006-05-11 Jan Hubicka <jh@suse.cz>
8886 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8887 to be output at -O0.
8889 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8892 * fold-const.c (size_binop): Move sanity check for arguments to
8893 the beginning of the function.
8896 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8899 2006-05-11 Richard Guenther <rguenther@suse.de>
8902 * fold-const.c (fold_unary): Handle intermediate conversion
8903 to a pointer type like intermediate conversion to an integer
8904 type in folding of (T1)(T2)var to var.
8905 Match the code to the comment in the final conversion for
8906 (T1)(T2)var to (T1)var regarding to type precision. Rather
8907 than disallow T1 being of pointer type, assert that both T1
8908 and var are of pointer type or not. Make sure not to fall
8909 over the frontends lazyness wrt array to pointer decay though.
8911 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8913 * arm.c (arm_struct_value_rtx): Delete.
8914 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8915 (arm_init_cumulative_args): Always initialize nregs to zero.
8917 2006-05-10 Richard Guenther <rguenther@suse.de>
8919 PR tree-optimization/27532
8920 * tree-object-size.c (plus_expr_object_size): Fix typo.
8922 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8925 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8926 ashrdi_const, ashrdi3): Use a scratch register.
8928 2006-05-10 Richard Guenther <rguenther@suse.de>
8930 PR tree-optimization/27302
8931 * fold-const.c (operand_equal_p): For two comparisons,
8932 try comparison of one comparison code swapped if that yields
8935 2006-05-10 Ben Elliston <bje@au.ibm.com>
8937 * tree-pretty-print.c (pretty_print_string): No need to handle
8938 '\0' as a special character.
8940 * tree.h: Include "hashtab.h".
8941 (iterative_hash_expr): Use hashval_t in its prototype.
8942 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8944 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8947 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8948 (hppa*64*-*-hpux11*): Ditto.
8949 (hppa[12]*-*-hpux11*): Ditto.
8951 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8954 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8956 2006-05-09 Michael Matz <matz@suse.de>
8958 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8959 host_extra_gcc_objs and host_xmake_file.
8960 (<*-*-linux*>): Don't overwrite host_xmake_file.
8961 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8962 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8963 (host_detect_local_cpu): Declare.
8964 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8965 * config/i386/i386.c (override_options): Handle -mtune=native
8967 * config/i386/x-i386: New file.
8968 * config/i386/driver-i386.c: New file.
8969 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8972 2006-05-09 Dirk Mueller <dmueller@suse.de>
8973 Richard Guenther <rguenther@suse.de>
8976 * fold-const.c (fold_read_from_constant_string): Relax check
8977 for matching types to matching modes.
8979 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8981 PR rtl-optimization/27335
8982 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8985 2006-05-08 Chao-ying Fu <fu@mips.com>
8986 Richard Sandiford <richard@codesourcery.com>
8988 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8989 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8990 * config/mips/mips.md (UNSPEC_SCC): New constant.
8991 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8992 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8993 (mips_emit_compare): Use it.
8994 (mips_expand_vcondv2sf): New function.
8996 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8998 Fix PR tree-optimization/27093
8999 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9000 renaming when they become not-used_alone.
9002 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9004 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9005 relocation and relocation stubs.
9007 2006-05-08 Eric Christopher <echristo@apple.com>
9009 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9012 2006-05-08 Jan Hubicka <jh@suse.cz>
9015 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9016 unused static functions are needed.
9018 2006-05-08 Roger Sayle <roger@eyesopen.com>
9021 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9022 of a reg_equiv_constant if the result is a legitimate constant.
9024 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9027 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9028 standard 80387 constants, raise the cost to prevent
9029 compress_float_constant() to generate load from memory.
9031 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9033 * config/arm/constraints.md (c): Fix a typo.
9035 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9038 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9041 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9043 (_mm_mwait): Likewise.
9045 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9047 (sse3_monitor): Make it 32bit only.
9048 (sse3_monitor64): New. 64bit monitor.
9050 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9053 * config/i386/i386.c (classify_argument): Skip fields with invalid
9056 2006-05-07 Richard Guenther <rguenther@suse.de>
9058 PR tree-optimization/27409
9059 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9060 Do not try to find zero-sized subvars.
9062 2006-05-07 Richard Guenther <rguenther@suse.de>
9064 PR tree-optimization/27136
9065 * tree-ssa-loop-niter.c (get_val_for): Correct function
9066 comment, assert requirements.
9067 (loop_niter_by_eval): Stop processing if the iterated
9068 value did not simplify.
9070 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9072 * opts.c (flag_see): remove its setting at -O3.
9074 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9076 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9077 * arm/constraints.md: New file.
9078 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9079 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9080 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9081 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9082 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9083 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9084 * arm.md: Include constraints.md.
9085 (thumb_movsi_insn): Use satisfies_constraint_J.
9086 (movhi, movqi): Use satisfies_constraint_I.
9088 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9090 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9091 for atmeg a645 device.
9093 2006-05-06 Richard Guenther <rguenther@suse.de>
9095 PR tree-optimization/27151
9096 * tree-vect-transform.c (vectorizable_condition): Punt on
9097 values that have a different type than the condition.
9099 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9102 * c-parser.c (c_parser_cast_expression): Only insert casts into
9103 hash table if pointer.
9104 * function.c (used_types_insert_helper): Rename from
9106 (used_types_insert): Call used_types_insert_helper.
9107 * function.h (used_types_insert): Accept only one argument.
9109 2006-05-05 David Edelsohn <edesohn@gnu.org>
9111 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9112 scratch with output modifier.
9114 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9117 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9118 with output modifier.
9120 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9123 * config/mips/mips.c (mips_symbolic_address_p): Return true
9124 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9125 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9127 2006-05-04 Richard Guenther <rguenther@suse.de>
9129 PR tree-optimization/14287
9130 PR tree-optimization/14844
9131 PR tree-optimization/19792
9132 PR tree-optimization/21608
9133 PR tree-optimization/27090
9134 * tree-ssa-pre.c (try_combine_conversion): New function.
9135 (compute_avail): After constructing the value-handle
9136 expression, use try_combine_conversion to combine NOP_EXPRs
9137 with previous value-handle expressions and use the result if it
9140 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9142 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9144 2006-05-04 Jan Hubicka <jh@suse.cz>
9147 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9149 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9151 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9152 that this only matches CONST_INTs. All users changed to VOIDmode
9155 * config/bfin/bfin.c: Include "optabs.h".
9156 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9158 (enum bfin_builtins): Add a number of fractional and vector builtins.
9159 (bfin_init_builtins): Likewise.
9160 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9161 (safe_vector_operand, bfin_expand_binop_builtin,
9162 bfin_expand_unop_builtin): New functions.
9163 (bfin_expand_builtin): Handle the new builtins.
9164 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9167 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9170 * Makefile.in (OBJS-common): Add see.o.
9171 (see.o): Add dependencies.
9172 * common.opt (fsee): New flag for the see optimization was added.
9173 * opts.c (flag_see): Initialized.
9174 * passes.c (init_optimization_passes, pass_see): New pass.
9175 * rtl.h (see_main): Declaration as extern.
9176 * timevar.def (TV_SEE): New.
9177 * tree-pass.h (pass_see): Declaration as extern.
9178 * invoke.texi (-fsee): Document.
9179 * recog.c (validate_simplify_insn): New function.
9180 * recog.h (validate_simplify_insn): Declaration as extern.
9181 * df-problems.c (df_chain_dump): Check for NULL.
9183 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9184 Daniel Berlin <dberlin@dberlin.org>
9186 * cfgrtl.c (insert_insn_bb_end_new): New function.
9187 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9189 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9191 * df.h (struct web_entry): Moved from web.c.
9192 (union_defs): Declaration as extern.
9193 (unionfind_root): Likewise.
9194 (unionfind_union): Likewise.
9195 * web.c (struct web_entry): Moved to df.h.
9196 (unionfind_root): Remove static declaration.
9197 (unionfind_union): Likewise.
9198 (union_defs): Likewise and generalize to use callback function.
9199 (web_main): Update arguments for union_defs function call.
9201 2006-05-04 Richard Guenther <rguenther@suse.de>
9203 PR tree-optimization/26447
9204 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9205 produce SSA_NAME copies before the store stmt to avoid
9206 breaking exception handling.
9208 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9211 * gimplify.c (omp_is_private): If var is shared in some outer context,
9212 return false instead of true. Stop searching on parallel context
9215 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9218 * coverage.c: Use get_gcov_unsigned_t() instead of
9219 unsigned_type_node all over.
9221 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9223 PR tree-optimization/27381
9224 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9225 maintain the same immediate_use links.
9226 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9227 node rather than segfaulting.
9229 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9232 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9233 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9234 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9236 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9238 Fix PR tree-optimization/26626
9239 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9241 * tree-ssa-operands.c (access_can_touch_variable): Allow
9242 typecasting through union pointers.
9244 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9247 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9248 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9249 to find if var will be a global variable even in the nested context.
9250 (omp_copy_decl): Only check for global variable at the end, it might
9251 be overridden in outer contexts.
9252 (scan_sharing_clauses): For global variables don't create a field.
9253 (lower_rec_input_clauses): Do nothing for global shared variables.
9254 Emit a barrier at the end of ILIST if there were any decls in both
9255 firstprivate and lastprivate clauses.
9256 (lower_send_clauses): Do nothing for global variables except for
9259 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9261 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9262 of the correct signedness is returned.
9264 2006-05-02 Jeff Law <law@redhat.com>
9266 PR tree-optimization/27364
9267 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9268 multiply expressions.
9270 2006-05-02 Tom Tromey <tromey@redhat.com>
9272 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9274 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9277 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9278 -mthumb -fPIC are used.
9280 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9281 Joshua Kinard <kumba@gentoo.org>
9284 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9285 with 64-bit pointers.
9287 2006-05-02 Paul Brook <paul@codesourcery.com>
9289 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9291 (create_fix_barrier): Check that a suitable barrier location is
9293 (arm_reorg): Include ftmp->address in allowable range of addresses.
9295 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9298 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9301 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9304 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9305 around RESULT_DECL for result passed by reference.
9306 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9307 * omp-low.c (use_pointer_for_field): Don't look at
9308 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9309 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9310 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9311 time or var for passing by reference for
9312 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9313 TREE_ADDRESSABLE variables when passing by reference.
9315 * omp-low.c (dump_omp_region): Fix output formatting.
9318 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9319 (expand_omp_parallel): Likewise.
9320 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9323 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9324 on statement list containing also constructors and destructors.
9325 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9328 * except.c (duplicate_eh_regions): Fix clearing of
9329 cfun->eh->region_array entries.
9331 2006-05-01 DJ Delorie <dj@redhat.com>
9333 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9335 (gcc_cv_objdump): Likewise.
9336 * configure: Regenerated.
9338 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9341 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9342 templates for case 3 and 4.
9344 2006-05-01 DJ Delorie <dj@redhat.com>
9346 * vec.c: Include bconfig.h when appropriate.
9347 * Makefile.in (build/vec.o): Adjust dependencies.
9348 * mkconfig.sh: Make sure config.h isn't used for build machine
9351 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9353 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9355 (mark_phi_for_rewrite): New function.
9356 (insert_phi_nodes_for, mark_use_interesting): Call
9357 mark_phi_for_rewrite.
9358 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9359 (update_ssa): Initialize and free phis_to_rewrite.
9361 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9363 PR rtl-optimization/27291
9364 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9365 folded to a constant.
9367 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9369 PR tree-optimization/27283
9370 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9371 not whole # of iteration descriptions.
9372 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9373 uses abnormal ssa name.
9374 (niter_for_single_dom_exit): Ditto.
9375 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9376 return just the number of iterations.
9378 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9380 PR tree-optimization/27144
9381 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9382 (record_estimate): Only record constant upper bound.
9383 (infer_loop_bounds_from_undefined): Call
9384 compute_estimated_nb_iterations just once.
9385 (proved_non_wrapping_p): Renamed to ...
9386 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9387 (convert_step_widening, scev_probably_wraps_p): Call
9388 n_of_executions_at_most instead of proved_non_wrapping_p.
9389 (substitute_in_loop_info): Do not replace values in bounds.
9390 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9393 2006-05-01 Richard Henderson <rth@redhat.com>
9396 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9397 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9400 2006-05-01 Roger Sayle <roger@eyesopen.com>
9402 * c-typeck.c (parser_build_binary_op): Don't call the function
9403 unsigned_conversion_warning to spot operand/result type overflow.
9404 (build_binary_op): Instead, call convert_and_check instead of
9405 convert to report the problem when the operands are promoted.
9406 * c-common.c (unsigned_conversion_warning): Make static.
9407 * c-common.h (unsigned_conversion_warning): Delete prototype.
9409 2006-05-01 Richard Guenther <rguenther@suse.de>
9411 PR tree-optimization/26726
9412 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9414 (find_interesting_uses_address): ... we work around here
9415 by folding INDIRECT_REFs in the substituted base.
9417 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9419 * omp-low.c (dump_omp_region): Add newlines.
9421 2006-04-30 Roger Sayle <roger@eyesopen.com>
9423 * common.opt (Woverflow): New command line option.
9424 * c-common.c (constant_expression_warning): Check warn_overflow.
9425 (overflow_waring): Pass OPT_Woverflow to warning.
9426 (unsigned_conversion_warning): Likewise.
9427 (convert_and_check): Likewise.
9428 * doc/invoke.texi: Document new command line option.
9430 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9432 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9433 TARGET_NO_FP_IN_TOC for section anchors.
9434 (optimization_options): Enable section anchors for all
9435 non-"Objective" languages.
9437 2006-04-28 Eric Christopher <echristo@apple.com>
9439 * config/darwin-c.c (darwin_ms_struct): Move this
9440 (darwin_set_default_type_attributes): and this...
9441 * config/darwin.c: ... here.
9442 * config/darwin.h (darwin_ms_struct): Declare.
9444 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9448 2006-04-28 Roger Sayle <roger@eyesopen.com>
9451 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9452 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9453 an unsigned HOST_WIDE_INT.
9454 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9456 (really_start_incremental_init): No need to call convert because
9457 bitsize_zero_node is already of type bitsizetype.
9458 (push_init_level): Extract the value of constructor_index as an
9459 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9460 (process_init_element): Likewise.
9462 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9464 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9465 value before passing to make_relative_prefix.
9467 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9470 * builtins.c (expand_builtin_memset): Expand val in original mode.
9472 2006-04-27 Eric Christopher <echristo@apple.com>
9474 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9475 with #ifndef/#endif.
9476 * config/darwin-c.c (darwin_ms_struct): New.
9477 (darwin_pragma_ms_struct): Ditto.
9478 (darwin_set_default_type_attributes): Ditto.
9479 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9480 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9481 Register ms_struct pragma.
9482 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9483 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9484 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9485 darwin_set_default_type_attributes if TARGET_MACHO.
9487 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9489 PR tree-optimization/26854
9490 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9491 * doc/tree-ssa.texi: Update immuse iterator documentation.
9492 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9493 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9494 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9495 first_safe_imm_use, next_safe_imm_use): Remove.
9496 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9497 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9498 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9499 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9500 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9501 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9502 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9503 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9504 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9505 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9506 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9507 (perfect_nestify): Use new iterator.
9508 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9510 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9511 (next_imm_name): New field in struct immediate_use_iterator_d.
9512 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9513 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9514 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9515 * tree-cfg.c (replace_uses_by): Use new iterator.
9516 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9517 * tree-ssa-operands.c (correct_use_link): Remove.
9518 (finalize_ssa_use_ops): No longer call correct_use_link.
9520 2006-04-27 Stuart Hastings <stuart@apple.com>
9522 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9523 * config/t-darwin (crt3.o): Use it.
9524 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9525 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9526 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9527 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9528 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9531 2006-04-27 Roger Sayle <roger@eyesopen.com>
9533 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9534 size, force the intermediate into a new pseudo rather instead of
9535 performing both a bitwise AND and a bitwise IOR in memory.
9537 2006-04-27 Richard Guenther <rguenther@suse.de>
9539 PR rtl-optimization/26685
9540 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9541 this one "max-flow-memory-locations".
9543 2006-04-27 Richard Guenther <rguenther@suse.de>
9545 PR tree-optimization/25148
9546 * tree-vrp.c (compare_values): Remove code dealing with
9547 comparisons against type min/max value. Honour overflow
9548 and negative constants in code dealing with comparisons
9549 of plus and minus expressions.
9550 (value_inside_range): Use fold_binary with LE_EXPR and
9551 GE_EXPR rather than compare_values.
9553 2006-04-27 Dirk Mueller <dmueller@suse.de>
9555 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9558 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9560 * basic-block.h (safe_insert_insn_on_edge): Removed.
9561 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9563 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9564 Paolo Bonzini <bonzini@gnu.org>
9567 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9568 (simplify_and_const_int): Same.
9570 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9572 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9574 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9577 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9578 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9579 cgraph_global_info_ready.
9582 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9585 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9586 either decl or init is error_mark_node.
9589 * tree-flow.h (struct omp_region): Add sched_kind.
9590 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9591 instead of extracting omp for data.
9592 (expand_omp_for): Save extracted sched_kind.
9594 2006-04-25 Roger Sayle <roger@eyesopen.com>
9596 * expmed.c (store_bit_field): Also check whether the bitsize is
9597 valid for the machine's "insv" instruction before moving the
9598 target into a pseudo for use with the insv.
9599 * config/i386/predicates.md (const8_operand): New predicate.
9600 * config/i386/i386.md (extv, extzv, insv): Use the new
9601 const8_operand predicate where appropriate.
9603 2006-04-25 DJ Delorie <dj@redhat.com>
9605 * doc/install.texi (Specific): Clarify that this is not a list of
9606 supported hosts or targets.
9608 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9610 PR rtl-optimization/26725
9611 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9612 block's BB_DIRTY flag.
9614 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9616 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9619 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9620 to print an integer.
9622 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9624 * varasm.c (align_variable): New function.
9625 (get_block_for_decl): Apply align_variable to DECL before
9626 calculating section information.
9627 (assemble_variable): Split out alignment computation.
9629 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9631 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9634 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9636 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9637 MODE_PARTIAL_INT mode.
9638 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9639 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9641 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9642 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9644 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9646 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9648 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9649 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9650 MACFLAG_IH): Likewise.
9651 (movstricthi_1): Renamed from "*movstricthi".
9652 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9653 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9654 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9655 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9656 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9657 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9658 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9659 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9660 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9661 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9662 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9663 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9664 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9665 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9666 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9668 * doc/rtl.texi (ss_ashift): Improve wording.
9670 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9672 * dwarf2out.c (verify_marks_clear): New.
9673 (prune_unused_types): Call verify_marks_clear initially, not
9676 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9678 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9679 * doc/rtl.texi: Document them.
9680 * simplify-rtx.c (simplify_unary_operation,
9681 simplify_binary_operation_1): Don't abort when we see them.
9683 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9686 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9687 * configure.ac: Completely disregard languages that are not
9689 * configure: Regenerated.
9691 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9692 Richard Guenther <rguenther@suse.de>
9694 PR tree-optimization/27236
9695 * tree-inline.c (copy_body_r): Make sure to copy
9696 TREE_THIS_VOLATILE flag.
9698 2006-04-24 Richard Guenther <rguenther@suse.de>
9701 * tree-complex.c (update_parameter_components): Don't handle
9702 unused parameters which have no default def.
9704 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9705 Richard Guenther <rguenther@suse.de>
9707 PR tree-optimization/27218
9708 * tree-inline.c (expand_call_inline): Strip useless type
9709 conversions for the return slot address.
9711 2006-04-24 Richard Guenther <rguenther@suse.de>
9713 * cfgloop.h (struct loops): Remove unused field array. Reorder
9715 (LOOP_PREFETCH): Remove.
9717 2006-04-24 Richard Guenther <rguenther@suse.de>
9719 PR tree-optimization/22525
9720 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9721 variable, adjust types of generated expressions.
9723 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9725 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9726 (tree-vect-patterns.o): Likewise.
9728 (cselib.o): Likewise.
9729 (loop-doloop.o): Likewise.
9730 (regclass.o): Likewise.
9731 (reload1.o): Likewise.
9732 (explow.o): Replace target.h with $(TARGET_H).
9733 (ipa-prop.o): Likewise.
9734 (ipa-cp.o): Likewise.
9735 (ipa-inline.o): Likewise.
9736 (reorg.o): Likewise.
9737 (reg-stack.o): Likewise.
9739 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9741 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9743 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9745 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9747 * configure.ac: Completely disregard languages that are not
9749 * configure: Regenerated.
9752 * c-common.h (c_build_bitfield_integer_type): Declare.
9753 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9754 * c-common.c (c_build_bitfield_integer_type): ... here.
9756 2006-04-23 Roger Sayle <roger@eyesopen.com>
9759 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9760 a SImode SUBREG of a floating point register after no_new_pseudos.
9762 2006-04-23 Roger Sayle <roger@eyesopen.com>
9764 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9765 identify potentially eliminable registers to additionally catch
9766 VIRTUAL_INCOMING_ARGS_REGNUM.
9767 (addsi3): Update the conditions on when to use addsi_small_int.
9769 2006-04-23 Roger Sayle <roger@eyesopen.com>
9772 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9773 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9774 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9776 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9778 * fold-const.c (range_predecessor): Use operand_equal_p
9779 as the predicate for equality.
9780 (range_successor): Likewise.
9782 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9785 * config/soft-fp/op-common.h: Fix a typo.
9787 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9790 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9791 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9793 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9795 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9797 * doc/tm.texi: Fix a typo.
9799 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9801 * dwarf2out.c (struct die_struct): Document that die_sib makes
9802 a circular linked list.
9803 (FOR_EACH_CHILD): New.
9804 (reverse_die_lists): Delete.
9805 (reverse_all_dies): Delete.
9806 (add_dwarf_attr): Correct documentation.
9807 (remove_child_with_prev): New.
9808 (remove_child_TAG): Update for change to die_struct, use
9809 remove_child_with_prev.
9810 (add_child_die): Update for change to die_struct.
9811 (splice_child_die): Use remove_child_with_prev and add_child_die.
9812 (print_die): Use FOR_EACH_CHILD.
9813 (die_checksum): Likewise.
9814 (assign_symbol_names): Likewise.
9815 (output_location_lists): Likewise.
9816 (build_abbrev_table): Likewise.
9817 (calc_die_sizes): Likewise.
9818 (mark_dies): Likewise.
9819 (unmark_dies): Likewise.
9820 (unmark_all_dies): Likewise.
9821 (output_die): Likewise.
9822 (prune_unused_types_mark): Likewise.
9823 (prune_unused_types_walk): Likewise.
9824 (same_die_p): Update for change to die_struct.
9825 (break_out_includes): Likewise.
9826 (prune_unused_types_prune): Likewise.
9827 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9828 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9830 (dwarf2out_finish): Don't call reverse_all_dies.
9832 2006-04-21 Eric Christopher <echristo@apple.com>
9834 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9835 in comments and function names.
9837 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9840 * c-typeck.c (digest_init): Robustify.
9842 * c-typeck.c (pop_init_level): Simplify.
9844 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9846 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9848 2006-04-21 Paul Brook <paul@codesourcery.com>
9850 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9851 hardware floating point.
9853 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9855 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9858 2006-04-21 Nick Clifton <nickc@redhat.com>
9860 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9863 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9866 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9867 C++ lang type in traceback table for Objective-C++.
9869 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9871 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9873 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9875 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9878 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9879 were errors. Remove check for erroneous objects.
9881 2006-04-20 Jeff Law <law@redhat.com>
9883 PR tree-optimization/26854
9884 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9885 checking for zero or one use.
9886 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9887 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9888 * tree-ssa-reassoc.c (negate_value): Similarly.
9889 (reassociate_bb): Similarly.
9891 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9893 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9894 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9895 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9897 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9899 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9900 fp regs if the last fp arg doesn't fit in regs.
9902 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9905 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9906 that the last insn has the REG_INC note.
9908 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9909 Nathan Sidwell <nathan@codesourcery.com>
9912 * stor-layout.c (update_alignment_for_field): Do not align
9914 (place_union_field): Place union field at the start of the union.
9915 (place_field): Move ERROR_MARK check later, and use the current
9916 allocation position to maintain monotonicity.
9918 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9920 * dominance.c: Include timevar.h.
9921 (calculate_dominance_info): Use TV_DOMINANCE.
9922 * timevar.def (TV_DOMINANCE): New timevar.
9923 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9925 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9927 PR rtl-optimization/14261
9928 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9929 move would be an INSV insn.
9930 (noce_process_if_block): Don't optimize if the destination is a
9931 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9933 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9935 * config/s390/s390.md: Add comments with the instructions emitted
9936 by an insn pattern if macros are used.
9938 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9940 PR rtl-optimization/26026
9941 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9942 is a known power of two shifted left a variable amount.
9944 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9946 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9947 to hash table twice when the debug_str section has SECTION_MERGE.
9949 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9951 * config/soft-fp: New directory. From glibc.
9952 * config/soft-fp/t-softfp: New.
9953 * config/soft-fp/README: New.
9954 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9955 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9956 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9957 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9958 * config.gcc: Use rs6000/t-fprules-fpbit or
9959 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9961 * config/rs6000/sfp-machine.h: New. Based on glibc.
9962 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9964 * config/rs6000/t-fprules: Remove fp-bit rules.
9965 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9966 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9967 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9968 (softfp_wrap_start, softfp_wrap_end): New.
9970 2006-04-18 DJ Delorie <dj@redhat.com>
9972 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9974 2006-04-18 Devang Patel <dpatel@apple.com>
9976 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9978 2006-04-18 Nick Clifton <nickc@redhat.com>
9980 * config/sh/t-symbian: Add rule to build sh-c.o
9981 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9982 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9983 (sh_symbian_encode_section_info): Likewise.
9985 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9987 * builtins.c (expand_builtin_strcmp): Cover label definition of
9988 do_libcall with HAVE_cmpstrnsi.
9990 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9992 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9994 * function.h (temp_slot_p): New.
9995 (function): Change the type of x_used_temp_slots to
9996 VEC(temp_slot_p,gc) *.
9998 2006-04-18 Nick Clifton <nickc@redhat.com>
10000 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10001 flag_strength_reduce.
10003 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10005 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10009 Partial revert of revision 112637
10010 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10011 Dale Johannesen <dalej@apple.com>
10014 * regclass.c (struct reg_pref): Update documentation.
10015 (regclass): Set prefclass to NO_REGS if memory is the best option.
10016 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10018 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10020 PR tree-optimization/26821
10021 * tree-ssa-math-opts.c (get_constant_one): New.
10022 (insert_reciprocals): Use it.
10024 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10026 * dwarf2out.c (free_AT): Delete.
10027 (remove_AT): Update string ref counts.
10028 (remove_child_TAG): Don't call free_die.
10029 (free_die): Delete.
10030 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10031 or DW_TAG_GNU_EINCL.
10032 (prune_unused_types_walk_attribs): Reset string refcounts.
10033 (prune_unused_types_update_strings): New.
10034 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10035 call free_die. Do call prune_unused_types_update_strings.
10036 (prune_unused_types): Empty debug_str_hash.
10038 2006-04-17 Roger Sayle <roger@eyesopen.com>
10040 * expr.c (expand_assignment): Optimize away no-op moves where the
10041 source and destination are equal and have no side-effects.
10043 2006-04-17 Richard Guenther <rguenther@suse.de>
10046 * reload.c (push_reload): Guard calls to get_secondary_mem
10047 for memory subregs.
10049 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10051 * alias.c (reg_base_value, old_reg_base_value): Change the
10052 type to VEC(rtx,gc) *.
10053 (REG_BASE_VALUE, find_base_value, record_set,
10054 init_alias_analysis): Use VEC instead of VARRAY.
10056 * alias.c (alias_sets): Change the type to
10057 VEC(alias_set_entry,gc) *.
10058 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10059 VEC instead of VARRAY.
10060 (last_alias_set): Remove.
10062 * cgraph.h (cgraph_edge_p): New.
10063 Update the prototype of cgraph_function_versioning.
10064 * cgraphunit.c (cgraph_copy_node_for_versioning,
10065 cgraph_function_versioning): Use VEC instead of VARRAY.
10066 * ipa-cp.c (ipcp_insert_stage): Likewise.
10068 2006-04-16 Roger Sayle <roger@eyesopen.com>
10071 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10072 "A op B" or "A op C", we may need to convert A to the type of B and C.
10074 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10076 * target.h (struct gcc_target): Add mode_rep_extended.
10077 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10078 (init_num_sign_bit_copies_in_rep): Initialize it using
10080 (truncate_to_mode): Use it.
10081 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10082 * targhooks.h (default_mode_rep_extended): Declare it.
10083 * targhooks.c (default_mode_rep_extended): Define it.
10084 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10085 default_mode_rep_extended.
10086 (TARGET_INITIALIZER): Include it.
10087 * doc/tm.texi (Misc): Document it.
10088 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10089 (mips_truncated_to_mode): New function.
10091 2006-04-16 Roger Sayle <roger@eyesopen.com>
10093 PR middle-end/25474
10094 * expr.c (compress_float_constant): Copy the narrow constant into
10095 a new pseudo before extending it to its final width.
10097 2006-04-16 Roger Sayle <roger@eyesopen.com>
10098 Andrew Pinski <pinskia@gcc.gnu.org>
10099 Dale Johannesen <dalej@apple.com>
10102 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10103 special case code to implement V8HImode and V16QImode with SSE2.
10105 2006-04-15 Roger Sayle <roger@eyesopen.com>
10107 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10108 trees are constructed with a suitable tree type.
10110 2006-04-15 Roger Sayle <roger@eyesopen.com>
10112 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10113 (integer_onep): Likewise.
10114 (integer_all_onesp): Likewise.
10115 (integer_pow2p): Likewise.
10116 (integer_nonzerop): Likewise.
10117 (real_zerop): Likewise.
10118 (real_onep): Likewise.
10119 (real_twop): Likewise.
10120 (real_minus_onep): Likewise.
10121 (int_size_in_bytes): Likewise.
10122 (host_integerp): Likewise.
10124 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10126 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10127 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10128 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10130 * tree-ssa-structalias.h (alias_info): Remove num_references.
10132 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10134 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10135 (output_bvb patterns): Likewise.
10136 * pa.c (output_bb): Use 'bb' insn for long branch case.
10137 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10138 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10139 1. Correct length operand for alternatives 1 and 2.
10140 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10141 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10143 2006-04-14 Roger Sayle <roger@eyesopen.com>
10145 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10146 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10147 were accidentally reverted by r112959.
10149 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10151 PR middle-end/26823
10152 * except.h (eh_region_outermost): New prototype.
10153 * except.c (eh_region_outermost): New function.
10154 * tree-cfg.c (find_outermost_region_in_block): Use it.
10156 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10158 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10160 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10161 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10162 (init_reload, reload): Use VEC instead of VARRAY.
10163 * reload.h: Update the prototype for
10164 reg_equiv_memory_loc_varray.
10166 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10167 Eric Botcazou <ebotcazou@libertysurf.fr>
10169 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10170 register save area.
10172 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10174 PR middle-end/27134
10175 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10176 to expand fallback builtin function call.
10178 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10180 PR middle-end/27095
10181 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10182 and emit libcall here in case the builtin fails.
10183 (expand_builtin_strcmp): Always emit the libcall here on failure.
10185 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10187 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10188 * flow.c (reg_n_info): Change the type to
10189 VEC(reg_info_p,heap) *.
10190 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10192 * regs.h (reg_info_p): New.
10193 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10194 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10195 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10198 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10200 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10202 * params.h (MAX_SCHED_READY_INSNS): New macro.
10203 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10204 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10205 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10206 the ready list for 1 cycle during the first scheduling pass.
10207 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10209 2006-04-13 Richard Henderson <rth@redhat.com>
10212 * gimple-low.c (lower_omp_directive): Remove dead code.
10213 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10214 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10215 * omp-low.c (struct omp_region): Move to tree-flow.h.
10216 (root_omp_region): Export.
10217 (omp_regions, lookup_omp_region): Remove.
10218 (determine_parallel_type): Update for struct omp_region changes.
10219 (dump_omp_region): Dump regions with block numbers.
10220 (new_omp_region): Take type and block instead of stmt; malloc
10222 (free_omp_region_1, free_omp_regions): New.
10223 (expand_parallel_call): Take entry_stmt as argument; update for
10224 changes to omp_region.
10225 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10226 (remove_exit_barriers): New.
10227 (expand_omp_parallel): Update for struct omp_region changes.
10228 (expand_omp_synch): Likewise.
10229 (expand_omp): Likewise.
10230 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10231 (expand_omp_for_static_chunk): Likewise.
10232 (expand_omp_for): Likewise.
10233 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10234 (expand_omp_sections): Similarly, with GOMP_sections_end.
10235 (expand_omp_single): New.
10236 (build_omp_regions_1): Update for OMP_CONTINUE.
10237 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10238 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10239 OMP_SECTIONS_SECTIONS.
10240 (lower_omp_single_simple): Don't emit barrier here.
10241 (lower_omp_single_copy): Likewise.
10242 (lower_omp_single): Fix bindings, and lower to straightline now.
10243 (lower_omp_master, lower_omp_ordered): Likewise.
10244 (lower_omp_critical): Likewise.
10245 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10246 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10247 omp edges, free it afterward.
10248 (make_omp_sections_edges): Remove.
10249 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10250 (move_stmt_r): Handle OMP_CONTINUE.
10251 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10252 statement pointers to basic blocks. Add type member.
10253 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10254 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10255 * tree-inline.c (estimate_num_insns_1): Likewise.
10256 * tree-pretty-print.c (dump_generic_node): Likewise.
10257 * tree-ssa-operands.c (get_expr_operands): Likewise.
10258 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10259 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10260 (OMP_CONTINUE): New.
10261 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10262 (OMP_SECTIONS_SECTIONS): Remove.
10263 (OMP_SECTION_LAST): New.
10264 (OMP_RETURN_NOWAIT): New.
10266 2006-04-13 Roger Sayle <roger@eyesopen.com>
10268 * fold-const.c (native_encode_vector, native_interpret_real):
10269 Correct obvious mistakes in the previous check-in.
10271 2006-04-13 Roger Sayle <roger@eyesopen.com>
10273 * fold-const.c (native_encode_expr): New function to encode
10274 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10275 or VECTOR_CST into a specified buffer.
10276 (native_encode_int): New function.
10277 (native_encode_real): New function.
10278 (native_encode_complex): New function.
10279 (native_encode_vector): New function.
10280 (native_interpret_expr): Inverse of native_encode_expr to convert
10281 a target representation into an INTEGER_CST, REAL_CST etc...
10282 (native_interpret_int): New function.
10283 (native_interpret_real): New function.
10284 (native_interpret_complex): New function.
10285 (native_interpret_vector): New function.
10286 (fold_view_convert_expr): New function to constant fold/evaluate
10287 a VIEW_CONVERT_EXPR of a suitable constant expression.
10288 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10289 Change call of build1 to fold_build1 when constructing a
10292 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10293 Ulrich Weigand <uweigand@de.ibm.com>
10296 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10299 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10302 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10303 optimize to lo_sum for DFmode if !TARGET_FPRS.
10305 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10307 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10308 delete_alias_info, compute_flow_sensitive_aliasing,
10309 group_aliases): Use VEC instead of VARRAY.
10310 * tree-ssa-structalias.c (update_alias_info): Likewise.
10311 * tree-ssa-structalias.h (alias_info): Change the type of
10312 processed_ptrs to VEC(tree,heap) *.
10314 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10317 * config/sh/lib1funcs.h: New file, broken out of:
10318 * config/sh/lib1funcs.asm.
10319 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10321 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10322 * config/sh/lib1funcs-Os-4-200.asm: New file.
10323 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10324 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10325 (EXTRA_MULTILIB_PARTS): Include it.
10326 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10327 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10328 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10329 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10332 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10334 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10335 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10336 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10338 * tree-ssa-live.h: Include vecprim.h.
10339 (tree_partition_associator_d): Change the type of
10340 first_partition to VEC(int,heap) *.
10341 (tpa_first_partition): Use VEC instead of VARRAY.
10343 * Makefile.in (GTFILES): Move functions.h after tree.h.
10344 * function.c (reset_block_changes, record_block_change,
10345 check_block_change, free_block_changes): Use VEC instead of
10347 * function.h (function): Change the type of
10348 ib_boundaries_block to VEC(tree,gc) *.
10349 * tree-inline.c (copy_cfg_body): Initialize
10350 ib_boundaries_block to NULL instead of (varray_type) 0.
10352 2006-04-12 Roger Sayle <roger@eyesopen.com>
10354 * expr.c (emit_group_store): Correct operand order in call to
10355 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10356 a SUBREG_BYTE of zero.
10358 2006-04-12 Richard Guenther <rguenther@suse.de>
10360 * profile.c (compute_branch_probabilities): Remove code
10361 encapsulated in !ir_type (), which are remanents of the
10362 removed RTL profiling code.
10363 * rtl-profile.c: Remove.
10365 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10367 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10368 magic NULL_RTX comment.
10369 (function_arg): Store entire fp arg to mem if any part should go
10371 (rs6000_arg_partial_bytes): Adjust for above change.
10373 2006-04-11 Roger Sayle <roger@eyesopen.com>
10375 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10376 if it hasn't been initialized by dwarf2out_init.
10378 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10380 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10381 symbolic constants in branch patterns.
10383 2006-04-11 Roger Sayle <roger@eyesopen.com>
10385 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10387 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10389 PR rtl-optimization/27073
10390 * gcse.c (try_replace_reg): Revert last change. Continue to search
10391 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10394 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10396 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10397 aggregate types other than record and union types.
10398 (function_arg): Likewise.
10399 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10401 (function_value): In 64-bit mode, return objects that require it
10404 2006-04-11 Roger Sayle <roger@eyesopen.com>
10406 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10408 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10410 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10412 2006-04-03 Jeff Law <law@redhat.com>
10415 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10416 alias information too.
10418 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10420 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10422 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10425 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10426 (premark_used_types_helper): New.
10427 (premark_used_types): New.
10428 (gen_subprogram_die): Call premark_used_types.
10429 (prune_unused_types_walk): Do not prune perennial dies.
10430 * function.c (used_types_insert): New.
10431 * function.h (struct function): Add used_types_hash field.
10432 (used_types_insert): Add prototype.
10433 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10434 * c-parser.c (c_parser_cast_expression): Save casted types in used
10437 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10440 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10441 rs6000_explicit_options.float_gprs.
10443 2006-04-10 Roger Sayle <roger@eyesopen.com>
10445 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10446 from ix86_expand_vector_init_low_nonzero. Take an additional
10447 one_var argument indicating which element is non-zero. Support
10448 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10449 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10450 with one_var instead of ix86_expand_vector_init_low_nonzero.
10452 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10454 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10455 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10456 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10457 build/genextract.o): Depend on vecprim.h.
10458 * cfglayout.c, df-problems.c, function.c, genextract.c,
10459 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10460 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10464 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10466 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10467 Declare VECs of this type.
10468 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10469 (remove_children): Delete.
10470 (add_dwarf_attr): Use VEC routines.
10471 (add_AT_flag): Update for changes to add_dwarf_attr.
10472 (add_AT_int): Likewise.
10473 (add_AT_unsigned): Likewise.
10474 (add_AT_long_long): Likewise.
10475 (add_AT_vec): Likewise.
10476 (add_AT_string): Likewise.
10477 (add_AT_die_ref): Likewise.
10478 (add_AT_fde_ref): Likewise.
10479 (add_AT_loc): Likewise.
10480 (add_AT_loc_list): Likewise.
10481 (add_AT_addr): Likewise.
10482 (add_AT_lbl_id): Likewise.
10483 (add_AT_lineptr): Likewise.
10484 (add_AT_macptr): Likewise.
10485 (add_AT_offset): Likewise.
10486 (add_AT_range_list): Likewise.
10487 (get_AT): Use VEC_iterate.
10488 (remove_AT): Use VEC_ordered_remove.
10489 (free_die): Fold remove_children into here; have it use VEC_iterate.
10490 (print_die): Use VEC_iterate on attrs.
10491 (reverse_die_lists): Don't reverse attr lists.
10492 (die_checksum): Use VEC_iterate on attrs.
10493 (same_die_p): Likewise.
10494 (output_location_lists): Likewise.
10495 (build_abbrev_table): Likewise.
10496 (size_of_die): Likewise.
10497 (unmark_all_dies): Likewise.
10498 (output_abbrev_section): Likewise.
10499 (output_die): Likewise.
10500 (prune_unused_types_walk_attribs): Likewise.
10502 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10504 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10506 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10509 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10511 2006-04-09 Roger Sayle <roger@eyesopen.com>
10513 * expr.c (store_constructor): Don't bother clearing target if
10514 we're about to assign a vector to it using vec_init_optab.
10516 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10518 * tree-ssa-alias.c (lhs_may_store_to): New function.
10519 (recalculate_used_alone): Handle LHS of calls.
10521 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10525 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10526 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10527 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10528 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10529 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10530 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10531 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10532 stubs. Add ".align 8" directives before all ".dword" directives.
10533 (GTHREAD_USE_WEAK): Revise comment.
10534 (TARGET_ATTRIBUTE_WEAK): Define.
10535 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10536 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10537 * stublib.c: New file.
10542 * pa.md (cbranch patterns): Revise arguments used in calls to
10543 output_cbranch, output_bb and output_bvd. Add long branch length
10545 (fbranch patterns): Handle long branches.
10546 (jump): Revise length check. Revise arguments for output_lbranch call.
10547 Add long branch length attributes.
10548 (decrement_and_branch_until_zero): Add long branch length attributes.
10549 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10550 Likewise. Revise arguments for output_parallel_addb and
10551 output_parallel_movb calls.
10552 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10553 output_parallel_movb and output_parallel_addb): Update prototypes.
10554 * pa.c (output_cbranch): Revise arguments. Correct handling of
10555 nullification in long branches.
10556 (output_lbranch): Add new argument to control extraction of delay
10558 (output_bb): Handle long branches.
10559 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10560 output_parallel_addb): Likewise.
10562 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10564 PR rtl-optimization/27073
10565 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10568 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10570 * tree.h (tree_memory_tag): Add old_used_alone.
10571 (SMT_OLD_USED_ALONE): New macro.
10572 * tree-ssa-alias.c (recalculate_used_alone): Stop
10573 marking things for renaming unnecessarily.
10575 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10577 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10578 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10579 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10580 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10581 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10582 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10583 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10584 spelling convensions.
10585 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10586 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10587 typos. Follow spelling conventions.
10589 2006-04-07 DJ Delorie <dj@redhat.com>
10591 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10592 passed on the stack.
10593 (m32c_init_cumulative_args): When a function returns a structure,
10594 always pass the pointer to that return area on the stack.
10595 (m32c_function_arg_advance): Don't increment the parameter number
10596 if we're processing the returned structure pointer.
10597 (pushm_info): Reverse order of registers.
10599 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10601 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10602 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10603 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10604 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10605 build_int_cst_type.
10606 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10607 chrec_fold_multiply): Same.
10608 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10609 force_expr_to_var_cost): Same.
10610 * tree-mudflap.c (mf_xform_derefs_1): Same.
10611 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10613 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10615 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10616 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10619 2006-04-07 Jan Hubicka <jh@suse.cz>
10621 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10623 2006-04-07 Richard Guenther <rguenther@suse.de>
10625 PR tree-optimization/26135
10626 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10627 loads for store copy-prop.
10628 (copy_prop_visit_stmt): Likewise.
10630 2006-04-05 Robert Millan <robertmh@gnu.org>
10632 * config/i386/linux.h: Add a comment to mark macros that are
10633 being overriden in config/k*bsd-gnu.h.
10634 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10636 * config/knetbsd-gnu.h: Ditto.
10638 2006-04-06 Jan Hubicka <jh@suse.cz>
10642 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10645 2006-04-06 Mike Stump <mrs@apple.com>
10647 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10648 for HAVE_nonlocal_goto to be consistent.
10649 (expand_builtin_nonlocal_goto): Likewise.
10650 (expand_builtin_strcmp): Use #ifdef instead of #if
10651 for HAVE_cmpstrnsi to be consistent.
10653 2006-04-05 DJ Delorie <dj@redhat.com>
10655 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10658 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10660 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10661 got-relative addressing for anything but SImode.
10663 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10664 even if the calling function doesn't modify them.
10666 2006-04-05 Richard Guenther <rguenther@suse.de>
10668 PR tree-optimization/26919
10669 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10670 to cgraph_estimate_size_after_inlining.
10672 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10674 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10676 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10678 PR tree-optimization/26996
10679 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10680 VECTOR_TYPE variables.
10682 2006-04-05 Richard Guenther <rguenther@suse.de>
10684 PR tree-optimization/26763
10685 * fold-const.c (fold_comparison): Move folding of
10686 PTR + CST CMP PTR + CST ...
10687 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10689 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10691 * doc/install.texi (Prerequisites): Refine some wording on
10692 bootstrapping and ksh.
10693 Move the version numbers of DejaGnu here from the testing section
10694 and fix casing of names.
10695 Fix markup and clarify wording for autogen requirements.
10696 Refer to GCJ instead of just java.
10697 Refer to SVN instead of CVS.
10698 Describe diffutils as useful instead of necessary.
10699 (Downloading the source): Refer to SVN instead of CVS.
10700 Adjust a link to our web site accordingly.
10701 (Configuration): Fix casing of Bison.
10702 (Building): Refer to SVN instead of CVS.
10703 Fix a sentence on the use of Bison and remove duplicate (and
10704 incorrect) version number of Bison requirement.
10705 Remove one redundant list of packages needed for building.
10706 (Specific): Avoid reference to CVS.
10708 2006-04-04 Eric Christopher <echristo@apple.com>
10710 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10711 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10712 (rs6000_handle_struct_attribute): New.
10713 (rs6000_ms_bitfield_layout_p): Ditto.
10715 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10717 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10718 NULL for dso parameter to atexit_common.
10720 2006-04-04 Eric Christopher <echristo@apple.com>
10722 * config/i386/i386.c (machopic_output_stub): Output \t
10723 between instructions and operands.
10725 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10727 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10728 satisfies_constraint_[IL] to explicit tests on value.
10730 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10732 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10733 set_nb_iterations_in_loop): Use build_int_cst instead of
10734 build_int_cst_type.
10735 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10736 build_int_cst instead of convert.
10738 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10740 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10741 new value 2 for incoming.
10742 * function.c (expand_function_start): Call struct_value_rtx
10743 with incoming as 2.
10744 * config/sparc/sparc.md: Comment updated_return.
10745 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10746 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10747 struct return if sparc_std_struct_return and incoming is 2.
10748 (print_operand): Do not adjust return if
10749 sparc_std_struct_return.
10751 2006-04-04 Roger Sayle <roger@eyesopen.com>
10753 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10754 convert in the middle-end.
10755 * expr.c (store_expr, store_constructor, get_inner_reference,
10756 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10758 * tree.c (build_range_type): Likewise.
10760 2006-04-04 Tom Tromey <tromey@redhat.com>
10762 * doc/install.texi (Prerequisites): Mention jar.
10764 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10766 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10769 2006-04-04 Matthias Klose <doko@debian.org>
10771 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10775 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10778 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10780 * doc/extend.texi (Function Attributes): Rewrite visibility
10781 attribute documentation.
10782 * doc/invoke.texi (C++ Dialect Options): Rewrite
10783 -fvisibility-inlines-hidden documentation to describe something
10784 entirely different, although in practise compatible.
10785 (Code Gen Options): Warn about system headers in -fvisibility=
10788 * doc/extend.texi (Other Builtins): Document that
10789 __builtin_nan is a compile-time constant only when its argument
10792 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10794 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10795 trying to remove TRUNCATE check if all bits outside the new mode
10796 are identical to the sign bit.
10798 2006-04-03 Jeff Law <law@redhat.com>
10800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10801 and operand scanning in some common cases.
10803 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10804 Dale Johannesen <dalej@apple.com>
10807 * regclass.c (struct reg_pref): Update documentation.
10808 (regclass): Set prefclass to NO_REGS if memory is the best option.
10809 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10810 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10811 into account. For non-registers, equate an empty preferred
10812 reload class to a `!' in the constraint; move the if clause to
10813 do so after those that reject the insn.
10814 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10816 (find_dummy_reload): Likewise.
10817 * doc/tm.texi (Register Classes): Document what it means
10818 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10819 * config/i386/i386.c (ix86_preferred_reload_class): Force
10820 using SSE registers (and return NO_REGS for floating-point
10821 constants) if math is done with SSE.
10822 (ix86_preferred_output_reload_class): New.
10823 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10824 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10825 * config/i386/i386.md: Remove # register preferences.
10827 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10830 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10831 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10832 the type of nb_iter.
10833 (instantiate_parameters_1): Convert the operands before calling
10834 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10835 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10837 2006-04-02 Roger Sayle <roger@eyesopen.com>
10839 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10840 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10841 instead of convert.
10842 * dojump.c (do_jump): Likewise.
10843 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10844 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10845 gimplify_boolean_expr): Likewise.
10846 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10847 * varasm.c (array_size_for_constructor): Likewise.
10848 * tree-object-size.c (compute_object_offset): Likewise.
10850 2006-04-02 Roger Sayle <roger@eyesopen.com>
10852 PR middle-end/26977
10853 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10854 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10856 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10858 PR tree-optimization/26939
10859 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10861 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10863 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10864 at_stmt. Convert the type of operands before calling
10865 build_polynomial_chrec.
10866 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10867 add_to_evolution_1.
10868 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10869 (instantiate_parameters_1): Convert the type of operands before calling
10870 build_polynomial_chrec.
10871 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10872 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10873 reset_evolution_in_loop): Insert asserts to check the types of the
10875 (chrec_type): Moved...
10876 (eq_evolutions_p): Use operand_equal_p.
10877 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10878 the types of the operands.
10879 (chrec_type): ...here.
10880 * tree-data-ref.c (create_data_ref): Convert the operands before
10881 calling chrec_replace_initial_condition.
10882 (same_access_functions, analyze_subscript_affine_affine,
10883 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10884 (compute_subscript_distance, analyze_ziv_subscript,
10885 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10886 analyze_miv_subscript): Convert the operands before calling
10887 chrec_fold_minus or chrec_fold_plus.
10889 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10891 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10892 the dependence_relations vector.
10893 (compute_data_dependences_for_loop): Adjust call to
10894 compute_all_dependences.
10896 2006-04-01 Roger Sayle <roger@eyesopen.com>
10897 Richard Henderson <rth@redhat.com>
10899 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10900 gimple_boolify on the condition before calling gimplify_expr.
10902 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10904 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10905 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10906 the frame size. Update to use the new macros.
10907 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10908 * config/xtensa/ieee754-df.S: Likewise.
10910 2006-03-31 Richard Henderson <rth@redhat.com>
10912 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10913 (make_edges): ... here. Control fallthru creation with a local
10914 variable. Do not play with fake edges.
10915 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10916 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10919 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10921 * dwarf2.h (DW64_CIE_ID): Define.
10922 * dwarf2out.c (DWARF_CIE_ID): Define.
10923 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10924 length header. Use DWARF_CIE_ID.
10925 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10926 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10928 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10930 * config/sh/linux-atomic.asm: New file.
10931 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10933 2006-03-31 DJ Delorie <dj@redhat.com>
10935 * config/m32c/cond.md: Set condition flags properly throughout.
10936 * config/m32c/minmax.md: Likewise.
10937 * config/m32c/prologue.md: Likewise.
10938 * config/m32c/bitops.md: Likewise.
10939 * config/m32c/muldiv.md: Likewise.
10940 * config/m32c/mov.md: Likewise.
10941 * config/m32c/addsub.md: Likewise.
10942 * config/m32c/m32c.md: Likewise.
10943 * config/m32c/jump.md: Likewise.
10944 * config/m32c/shift.md: Likewise.
10946 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10947 conditionally output the pattern for this.
10948 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10949 (m32c_compare_redundant): New.
10950 (m32c_output_compare): New.
10951 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10953 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10954 dest, not src. Allow other 4-byte modes.
10956 2006-03-30 Denis Chertykov <denisc@overta.ru>
10958 * doc/md.texi: Refer to avr/constraints.md instead of
10961 2006-03-30 Roger Sayle <roger@eyesopen.com>
10963 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10964 signed vs. unsigned comparison failures on some hosts.
10966 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10969 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10970 change to FLOAT_REGS.
10972 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10973 (rs6000_override_options): Use it.
10974 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10975 only for -mabi=spe/no-spe and -mabi=altivec.
10977 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10979 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10982 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10984 * Makefile.in: Rename docdir to gcc_docdir.
10986 2006-03-30 Roger Sayle <roger@eyesopen.com>
10989 * expr.c (emit_group_store): Optimize group stores into a pseudo
10990 register by using a paradoxical subreg to initialize the destination
10991 if the first or last member of the group specifies a "low part".
10993 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10996 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10997 * target.h (struct gcc_target.speculate_insn): Change type of the
10998 second parameter to 'int'.
10999 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11000 the second operand of the DEPS_LIST.
11001 (copy_DEPS_LIST_list): Update reference to the second operand of the
11003 * rtl.h (alloc_DEPS_LIST): Update signature.
11004 * sched-int.h (ds_t): Change typedef to 'int'.
11005 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11007 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11009 * haifa-sched.c (try_ready): Change condition to restore
11010 non-speculative pattern of the instruction.
11011 (process_insn_depend_be_in_spec): Code to keep probability of the
11012 speculative dependence non-decreasing.
11014 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11016 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11017 (single_move_for_movmem): ... this. Also change all uses.
11018 (bfin_expand_strmov): Renamed to...
11019 (bfin_expand_movmem): ... this. Also change all uses.
11020 * config/bfin/bfin.md (movstrsi): Renamed to...
11021 (movstrsi): ...this.
11023 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11025 PR tree-optimization/26830
11027 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11028 (copy_prop_visit_stmt): Remove write-only variable ann.
11029 (init_copy_prop): Check variable loop depth here. Do not simulate
11030 memory-tag and virtual operand PHIs except for store copy prop.
11032 2006-03-30 Richard Guenther <rguenther@suse.de>
11034 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11035 variants with double arguments.
11037 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11039 * genpreds.c (write_tm_constrs_h): Delete variable p.
11040 * genconditions.c (write_header): Add tm-constrs.h to included
11042 * genpeep.c (main): Add toplev.h to included headers.
11043 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11044 (build/genpeep.o): Add toplev.h dependency.
11045 * config/rs6000/constraints.md: Add "W" constraint.
11047 2006-03-29 Roger Sayle <roger@eyesopen.com>
11049 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11050 sizes by correctly testing whether the size fits a host integer.
11051 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11052 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11053 SImode range for the default sizetype and bitsizetype.
11055 2006-03-29 Roger Sayle <roger@eyesopen.com>
11057 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11058 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11059 quickly if the argument is already of the correct type.
11060 Call fold_build1 instead of build1. Tidy up blank lines.
11062 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11064 * genemit.c (main): Add tm-constrs.h to included headers.
11065 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11066 * genpeep.c (main): Add tm-constrs.h to included headers.
11067 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11068 (write_tm_constrs_h): this and write complete file.
11069 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11070 (write_insn_preds_c): Add tm-constrs.h to included headers.
11071 (gen_constrs): New variable.
11072 (parse_option): Parse "-c".
11073 (main): Invoke write_tm_constrs_h.
11074 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11075 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11076 (object_out_file): Add tm-constrs.h dependency.
11077 (insn-emit.o): Same.
11078 (insn-output.o): Same.
11079 (insn-peep.o): Same.
11080 (insn-preds.o): Same.
11081 (insn-recog.o): Same.
11082 (tm-constsr.h): New target.
11083 (s-constrs-h): New target.
11085 * config/rs6000/constraints.md: New file.
11086 * config/rs6000/rs6000.c: Include tm-constrs.h.
11087 (num_insn_constant_wide): Convert to satisfies_constraint.
11088 (rs6000_rtx_costs): Convert to satisfies_constraint.
11089 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11090 (CONST_OK_FOR_LETTER_P): Delete.
11091 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11092 (EXTRA_CONSTRAINT): Delete.
11093 (EXTRA_MEMORY_CONSTRAINT): Delete.
11094 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11095 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11096 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11097 satisfies_constraint.
11099 * config/i386/i386.c: Include tm-constrs.h.
11101 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11103 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11104 * tree-data-ref.c (find_data_references_in_loop,
11105 compute_data_dependences_for_loop): Use pointers to VEC.
11106 (analyze_all_data_dependences): Adjust calls.
11107 * tree-data-ref.h (find_data_references_in_loop,
11108 compute_data_dependences_for_loop): Adjust declarations.
11109 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11110 compute_data_dependences_for_loop.
11112 2006-03-29 Paul Brook <paul@codesourcery.com>
11114 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11115 (movdf_vfp): Ditto.
11117 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11119 PR tree-optimization/26859
11120 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11122 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11123 for the step after fold_convert.
11125 2006-03-29 Paul Brook <paul@codesourcery.com>
11127 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11128 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11130 2006-03-29 Paul Brook <paul@codesourcery.com>
11132 PR middle-end/23623
11133 * targhooks.c (default_narrow_bitfield): New fuction.
11134 * targhooks.h (default_narrow_bitfield): add prototype.
11135 * target.h (gcc_target): Add narrow_volatile_bitfield.
11136 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11137 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11138 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11139 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11141 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11143 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11145 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11146 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11147 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11148 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11149 (s390_function_arg_float): Allow SDmode and DDmode values to be
11150 passed in floating point registers.
11151 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11152 check with SCALAR_FLOAT_MODE_P.
11153 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11155 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11157 PR tree-optimization/25985
11158 * tree-ssa-loop-niter.c (number_of_iterations_le,
11159 number_of_iterations_ne): Make comments more precise.
11160 (number_of_iterations_cond): Add only_exit argument. Use the
11161 fact that signed variables do not overflow only when only_exit
11163 (loop_only_exit_p): New.
11164 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11165 number_of_iterations_cond.
11167 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11169 PR tree-optimization/26643
11170 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11173 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11175 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11176 (divsi3_i4_int): Likewise.
11178 2006-03-28 Roger Sayle <roger@eyesopen.com>
11180 * expr.c (emit_group_store): Only create a new pseudo reg if the
11181 quantity it needs to hold isn't already a suitable pseudo.
11183 2006-03-28 Jeff Law <law@redhat.com>
11185 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11186 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11188 2006-03-28 Roger Sayle <roger@eyesopen.com>
11190 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11191 the equivalent ~X & Y, and the symmetry related transformations.
11192 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11193 ~X & Y, and symmetry related transforms.
11195 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11197 Revert my 2006-03-27 patches.
11199 2006-03-28 Roger Sayle <roger@eyesopen.com>
11201 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11202 ~(T1)X, when T1 and T2 are integer types of the same precision
11203 and (T2)X isn't an extension.
11205 2006-03-28 Jeff Law <law@redhat.com>
11207 PR tree-optimization/26796
11208 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11209 need EH edge cleanups rather than purging them immediately.
11210 (eliminate_degenerate_phis): Handle queued EH cleanups.
11212 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11214 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11217 2006-03-27 Roger Sayle <roger@eyesopen.com>
11219 PR middle-end/22524
11220 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11221 cast BIT_NOT_EXPR operand to the correct type.
11223 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11225 * tree-loop-linear.c: Don't include varray.h.
11226 (gather_interchange_stats, try_interchange_loops,
11227 linear_transform_loops): Use VEC instead of VARRAY.
11228 * lambda-mat.c: Don't include varray.h.
11229 * tree-chrec.c: Same.
11230 * lambda-trans.c: Same.
11231 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11232 VEC instead of VARRAY.
11233 * tree-vectorizer.h: Idem.
11234 * tree-data-ref.c (dump_data_references,
11235 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11236 initialize_data_dependence_relation, finalize_ddr_dependent,
11237 compute_all_dependences, find_data_references_in_loop,
11238 compute_data_dependences_for_loop, analyze_all_data_dependences,
11239 free_dependence_relation, free_dependence_relations,
11240 free_data_refs): Idem.
11241 * tree-data-ref.h (data_reference_p, subscript_p): New.
11242 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11243 VEC instead of VARRAY.
11244 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11245 (find_data_references_in_loop, compute_data_dependences_for_loop,
11246 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11247 dump_data_dependence_relations, free_dependence_relations,
11248 free_data_refs): Adjust declaration.
11249 (lambda_transform_legal_p): Move declaration here...
11250 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11251 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11252 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11253 vect_analyze_data_refs): Use VEC instead of VARRAY.
11254 * lambda.h (lambda_transform_legal_p): ...from here.
11255 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11256 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11257 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11258 tree-chrec.o): Don't depend on VARRAY_H.
11260 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11262 * rtl.def (Copyright): Update date.
11263 (DEPS_LIST): Change type of the second operand to 'int'.
11264 * target.h (Copyright): Update date.
11265 (struct gcc_target.speculate_insn): Change type of the second parameter
11267 * lists.c (Copyright): Update date.
11268 (alloc_DEPS_LIST): Change signature. Update reference to the second
11269 operand of the DEPS_LIST.
11270 (copy_DEPS_LIST_list): Update reference to the second operand of the
11272 * rtl.h (Copyright): Update date.
11273 (alloc_DEPS_LIST): Update signature.
11274 * sched-int.h (Copyright): Update date.
11275 (ds_t): Change typedef to 'int'.
11276 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11278 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11280 * haifa-sched.c (Copyright): Update date.
11281 (try_ready): Change condition to restore non-speculative pattern
11282 of the instruction.
11283 (process_insn_depend_be_in_spec): Code to keep probability of the
11284 speculative dependence non-decreasing.
11286 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11288 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11289 shut up the compiler.
11291 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11293 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11294 to use lib prefix for target.
11295 ($(T)libic_invalidate_array_4-200.a): Likewise.
11296 ($(T)libic_invalidate_array_4a.a): Likewise.
11298 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11299 J"orn Rennecke <joern.rennecke@st.com>
11301 * superh.opt: New file.
11302 * sh.c (boardtype, osruntime): Remove.
11303 * superh.h (SUBTARGET_OPTIONS): Remove.
11304 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11306 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11307 arguments with ^ and/or [].
11309 * config.gcc (sh-*-*): Add quoting to account for quirk of
11311 Replace == with = in enable_incomplete_targets test.
11313 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11314 with MASK_LITTLE_ENDIAN.
11316 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11317 * config/sh/sh.opt: Added to some comments.
11318 * config/sh/superh.h: Removed some chaff.
11320 * config/sh/sh.opt: Add m4-[1234]00* options.
11321 * config/sh/sh.c (sh_handle_option): Likewise.
11322 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11323 (ic_invalidate_array_4-100.o): New rule.
11324 ($(T)libic_invalidate_array_4-100.a): Likewise.
11325 (ic_invalidate_array_4-200.o): Likewise.
11326 ($(T)libic_invalidate_array_4-200.a): Likewise.
11327 (ic_invalidate_array_4a.o): Likewise.
11328 ($(T)libic_invalidate_array_4a.a): Likewise.
11329 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11330 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11332 * config/sh/crt1.asm: Merged in profiling code.
11333 * config/sh/superh.h (STARTFILE_SPEC): Override.
11334 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11335 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11336 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11338 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11339 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11340 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11342 * sh.opt (mpretend-cmove): New option.
11343 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11344 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11345 (movsicc): Add TARGET_PRETEND_CMOVE code.
11347 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11349 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11350 s390_class_max_nregs): New function prototypes.
11351 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11352 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11353 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11354 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11356 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11358 * dwarf2out.c (add_location_or_const_value_attribute): Call
11359 tree_add_const_value_attribute if nothing else works.
11360 (reference_to_unused): New.
11361 (rtl_for_decl_init): Use reference_to_unused to decide whether
11362 to output an initializer.
11364 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11367 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11368 peephole removing spe frob_di_df_2.
11370 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11372 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11373 (subscript_dependence_tester_1): Declared.
11374 (print_dir_vectors, print_dist_vectors): New.
11375 (debug_data_dependence_relation): New.
11376 (dump_data_dependence_relation): Print more details.
11377 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11378 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11379 (save_dist_v, save_dir_v, add_outer_distances,
11380 build_classic_dist_vector_1): New.
11381 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11382 Don't test for lambda_vector_lexico_pos.
11383 (same_access_functions, add_multivariate_self_dist,
11384 add_other_self_distances, dir_from_dist): New.
11385 (build_classic_dir_vector): Replace implementation almost identical to
11386 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11388 (subscript_dependence_tester_1): New.
11389 (subscript_dependence_tester): Handle the lexicographically negative
11390 distance vectors by recomputing the dependence relation.
11391 (compute_affine_dependence): Remove parameter loop_nest_depth.
11392 (compute_self_dependence): Don't call compute_subscript_distance.
11393 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11394 Add a parameter for the loop_nest.
11395 (find_loop_nest_1, find_loop_nest): New.
11396 (compute_data_dependences_for_loop): Compute the loop nest, and give
11397 up if the nest is not well formed.
11398 * tree-data-ref.h (loop_p): New.
11399 (struct data_dependence_relation): Replace size_vect field with
11400 loop_nest, a vec of loops.
11401 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11402 (DDR_LOOP_NEST): New.
11403 (print_dir_vectors, print_dist_vectors,
11404 debug_data_dependence_relation): Declared.
11405 (index_in_loop_nest): New.
11406 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11407 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11410 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11412 * simplify-rtx.c (simplify_relational_operation): Call
11413 simplify_relational_operation_1 even if mode is VOIDmode.
11415 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11417 PR tree-optimization/26804
11418 * tree.h (DECL_CALL_CLOBBERED): New macro.
11419 (tree_decl_common): Add call_clobbered_flag.
11420 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11421 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11422 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11423 (mark_non_addressable): Ditto.
11424 * tree-ssa.c (verify_call_clobbered): New function.
11425 (verify_alias_info): Use it.
11426 * tree-pass.h (pass_reset_cc_flags): New prototype.
11427 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11428 (reset_cc_flags): New function.
11429 * passes.c (init_optimization_passes): Call reset_cc_flags after
11430 initializing referenced_vars.
11432 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11433 Roger Sayle <roger@eyesopen.com>
11435 PR middle-end/26717
11436 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11437 to 1.0 for non-real operands. Implement A / A optimization for
11440 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11442 * config/i386/i386.c (size_cost): Correct the comment for
11443 cost of storing fp registers.
11444 (i386_cost): Likewise.
11445 (i486_cost): Likewise.
11446 (pentium_cost): Likewise.
11447 (pentiumpro_cost): Likewise.
11448 (k6_cost): Likewise.
11449 (athlon_cost): Likewise.
11450 (k8_cost): Likewise.
11451 (pentium4_cost): Likewise.
11452 (nocona_cost): Likewise.
11453 (generic64_cost): Likewise.
11454 (generic32_cost): Likewise.
11456 2006-03-24 Denis Chertykov <denisc@overta.ru>
11458 * config/avr/avr-protos.h (extra_constraint): Delete.
11459 (extra_constraint_Q): New declaration.
11460 * config/avr/constraints.md: New file.
11461 * config/avr/avr.md: Include it.
11462 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11463 (TMP_REGNO, ZERO_REGNO): Likewise.
11464 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11465 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11466 (extra_constraint): Delete.
11467 (extra_constraint_Q): Test for memory constraint 'Q'.
11468 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11469 (REG_CLASS_FROM_LETTER): Delete.
11470 (CONST_OK_FOR_LETTER_P): Delete.
11471 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11472 (EXTRA_CONSTRAINT): Delete.
11473 (TMP_REGNO): Delete.
11474 (ZERO_REGNO): Delete.
11476 2006-03-24 Jeff Law <law@redhat.com>
11478 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11479 directly. Call mark_new_vars_to_rename slightly earlier.
11481 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11483 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11484 (is_cxx): Likewise.
11485 (gen_compile_unit_die): Use new language types for Objective-C and
11487 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11488 DW_LANG_C_plus_plus.
11491 * config/t-darwin (crt3.o): Work around bug 26840.
11492 * config/darwin-crt3.c: Rewrite.
11493 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11495 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11497 * doc/invoke.texi: Document -femit-class-debug-always
11498 * common.opt: Add -femit-class-debug-always.
11500 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11502 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11503 index and base register.
11504 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11505 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11506 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11507 REGNO_OK_FOR_INDEX_P.
11508 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11510 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11511 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11512 REG_OK_FOR_BASE_P): Definitions removed.
11514 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11516 PR middle-end/26611
11517 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11518 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11519 set yet or weren't marked as local yet.
11521 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11523 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11526 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11528 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11529 (rs6000_legitimate_small_data_p): Delete.
11530 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11531 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11532 and make static. Add forward declaration. Update uses.
11533 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11534 of offsettable_memref_p.
11535 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11536 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11538 2006-03-24 Jeff Law <law@redhat.com>
11540 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11541 around bug in immediate-use iterator.
11543 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11546 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11547 or __LITTLE_ENDIAN__.
11549 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11551 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11552 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11553 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11554 * config/sh/sh.opt (mdiv=): Amend description.
11555 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11556 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11557 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11558 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11559 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11560 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11561 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11562 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11563 TARGET_DIVIDE_CALL_FP.
11565 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11567 * haifa-sched.c (choose_ready): Fix type of the local variable.
11568 Move local variables. Add comment.
11569 (check_reg_live): Change signature. Make callable from debugger.
11570 * sched-int.h (check_reg_live): Update signature.
11571 * sched-ebb.c (check_reg_live): Update parameters.
11572 * sched-rgn.c (check_reg_live): Ditto.
11573 (region_head_or_leaf_p): Check pointer before dereferencing.
11574 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11575 before reload on optimization levels below 1.
11577 2006-03-23 Richard Henderson <rth@redhat.com>
11579 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11583 * config/alpha/predicates.md (local_symbolic_operand): Reject
11586 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11589 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11590 expressions which have overflowed constants.
11592 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11594 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11596 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11598 * cfgloopmanip.c (create_loop_notes): Removed.
11599 * final.c (final_scan_insn): Do not handle loop notes.
11600 * jump.c (squeeze_notes): Ditto.
11601 * cfglayout.c (skip_insns_after_block,
11602 duplicate_insn_chain): Ditto.
11603 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11605 * cfgloop.h (create_loop_notes): Declaration removed.
11607 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11609 * varasm.c (output_constant_pool): Restore fnname and fndecl
11611 (assemble_start_function): Adjust call accordingly.
11612 (assemble_end_function): Likewise.
11614 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11617 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11620 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11622 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11625 * system.h (ICE_EXIT_CODE): New macro.
11626 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11627 (diagnostic_action_after_output): Likewise.
11628 * gcc.c (fatal_ice): New function.
11629 (execute): Use it instead of fatal.
11630 (fancy_abort): Likewise.
11631 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11633 2006-03-22 Jeff Law <law@redhat.com>
11635 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11636 iv_analyze_result returning false.
11638 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11640 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11642 2006-03-22 Richard Henderson <rth@redhat.com>
11644 PR middle-end/26084
11645 * except.c (duplicate_eh_regions_0): New.
11646 (duplicate_eh_region_1): Duplicate the children of the node as
11647 well as the node itself. Link them up properly.
11648 (duplicate_eh_region_2): Merge into ...
11649 (duplicate_eh_regions): ... here. Take copy_region argument, and
11650 copy only a sub-tree if asked. Simplify copying and fixup.
11651 (eh_region_outer_p): New.
11652 * except.h (duplicate_eh_regions): Update decl.
11653 (eh_region_outer_p): Declare.
11654 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11655 (lower_omp_master): Likewise.
11656 (lower_omp_ordered): Likewise.
11657 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11658 (move_stmt_r): Use it to remap labels. Handle recursion vs
11659 remap_decls_p properly.
11660 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11661 (find_outermost_region_in_block): New.
11662 (new_label_mapper): New.
11663 (move_sese_region_to_fn): Copy eh information to the new function
11665 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11667 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11670 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11672 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11673 into shared libraries.
11675 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11677 * doc/md.texi: Refer to i386/constraints.md instead of
11678 i386/predicates.md.
11679 * config/i386/constraints.md: New file, extracted from...
11680 * config/i386/predicates.md: ...here.
11681 * config/i386/i386.md: Include constraints.md.
11683 2006-03-21 Jason Merrill <jason@redhat.com>
11685 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11687 PR middle-end/20297
11688 * expr.c (init_block_move_fn): Force default visibility.
11689 (init_block_clear_fn): Likewise.
11690 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11691 * targhooks.c (default_external_stack_protect_fail): Likewise.
11693 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11695 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11696 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11697 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11698 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11699 (loadgp): Use mips_current_loadgp_style.
11700 (loadgp_noshared): New pattern.
11701 (sibcall_internal): Use MIPS_CALL.
11702 (sibcall_value_internal): Likewise.
11703 (sibcall_value_multiple_internal): Likewise.
11704 (call_internal): Likewise.
11705 (call_value_internal): Likewise.
11706 (call_value_multiple_internal): Likewise.
11707 (call_split): Use MIPS_CALL and add an 'S' constraint.
11708 (call_value_split): Likewise.
11709 (call_value_multiple_split): Likewise.
11710 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11711 (-mshared): New option.
11712 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11713 (mips_current_loadgp_style): Declare.
11714 * config/mips/mips.c (mips_classify_symbol): Avoid using
11715 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11716 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11717 TARGET_ABSOLUTE_ABICALLS.
11718 (override_options): Adjust comments. Improve the warning that is
11719 issued when -mabicalls and -G are used together.
11720 (mips_file_start): Remove comment.
11721 (mips_current_loadgp_style): New function.
11722 (mips_gnu_local_gp): New variable.
11723 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11725 (mips_output_function_prologue): Use mips_current_laodgp_style.
11726 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11727 the cprestore instruction.
11728 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11729 live for TARGET_ABSOLUTE_ABICALLS.
11730 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11731 (ASM_SPEC): Pass down -mshared and -mno-shared.
11732 (MIPS_CALL): New macro.
11733 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11735 * doc/invoke.texi (-mabicalls): Update documentation.
11736 (-mshared): Document.
11738 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11740 * config/ia64/unwind-hpux.c: New file.
11741 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11743 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11746 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11748 2006-03-21 Jeff Law <law@redhat.com>
11750 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11751 type conversions of a VR_VARYING source to a wider type.
11753 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11755 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11756 tm_file on Solaris 10 and later.
11757 (sparc64-*-solaris2*): Likewise.
11758 (sparc-*-solaris2*): Likewise.
11759 * config/sol26.h: Rename to config/sol2-6.h.
11760 * config/sol2-10.h: New file.
11762 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11765 * tree-ssa-pre.c (create_component_ref_by_pieces):
11768 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11771 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11772 return it immediately.
11774 2006-03-21 Michael Matz <matz@suse.de>
11776 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11778 (remove_arc, add_arc): Update num_out_arcs member.
11779 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11781 (cache_presence): New function.
11782 (compare_states_for_equiv): New function.
11783 (state_is_differed): Don't take number of outargs, adjust callers.
11784 Use new invariant for speeding up.
11785 (init_equiv_class): Create initial classes based on sorted
11787 (partition_equiv_class): Don't track out_arcs_num.
11788 (evaluate_equiv_classes): Call cache_presence on all states and
11791 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11793 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11794 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11795 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11796 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11798 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11799 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11800 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11801 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11802 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11804 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11805 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11806 (REGNO_REG_CLASS): ARGP is in PREGS.
11807 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11809 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11810 to deal with those addresses.
11811 * addresses.h: New file.
11812 * caller-save.c: Include "addresses.h".
11813 (init_caller_save): Use new base_reg_class function.
11814 * rtl-factoring.c: Include "addresses.h".
11815 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11816 * recog.c: Include "addresses.h".
11817 (preprocess_constraints): Use new base_reg_class function.
11818 * regrename.c: Include "addresses.h".
11819 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11820 functions. Keep track of a new var INDEX_CODE to compute valid
11822 (replace_oldest_value_addr): Likewise.
11823 (replace_oldest_value_mem): Use base_reg_class.
11824 * reload.c: Include "addresses.h".
11825 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11826 (find_reloads): Use new base_reg_class function.
11827 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11828 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11829 all callers and prototype changed.
11830 * reload1.c: Include "addresses.h".
11831 (maybe_fix_stack_asms): Use base_reg_class.
11832 * regclass.c: Include "addresses.h".
11833 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11834 (init_reg_autoinc): Use new base_reg_class function.
11835 (record_reg_classes): Likewise.
11836 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11837 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11838 Use new args to compute necessary class.
11840 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11841 regrename.o, rtl-factoring.o): Update dependencies.
11842 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11843 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11844 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11845 REG_OK_FOR_INDEX_P): Delete documentation.
11847 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11849 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11850 from V7 to V9 for Solaris 7 and above.
11852 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11854 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11855 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11856 argument pointers may not alias any other storage.
11857 * common.opt: Define option -fargument-noalias-anything.
11858 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11859 alias semantics is specified by flag_argument_noalias > 2.
11861 2006-03-20 Jeff Law <law@redhat.com>
11863 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11864 (pass_phi_only_cprop): Declare.
11865 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11866 with phi_only_cprop
11867 * tree-ssa-dom.c (degenerate_phi_result): New function.
11868 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11869 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11870 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11871 (eliminate_degenerate_phis): Likewise.
11872 (pass_phi_only_cprop): New pass descriptor.
11873 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11874 support code. Callers updated.
11875 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11876 (store_copy_prop): Likewise.
11877 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11879 2006-03-20 Jason Merrill <jason@redhat.com>
11882 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11883 (push_visibility, pop_visibility): Likewise.
11884 * c-pragma.h: Declare them.
11886 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11888 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11890 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11891 parameter and use get_ebb_head_tail.
11892 (sh_md_init_global): Adjust uses of find_regmode_weight.
11894 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11896 * function.h (struct function) <x_tail_recursion_reentry>:
11897 Rename to x_stack_check_probe_note.
11898 (tail_recursion_reentry): Rename to stack_check_probe_note.
11899 * function.c: Replace tail_recursion_reentry with
11900 stack_check_probe_note everywhere.
11901 (expand_function_start): Only emit a note for
11902 stack_check_probe_note with -fstack-protect.
11903 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11905 * emit-rtl.c (remove_unnecessary_notes): Remove.
11906 (pass_remove_unnecessary_notes): Remove.
11907 * rtl.h (remove_unnecessary_notes): Remove prototype.
11908 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11909 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11910 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11912 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11915 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11916 (valid_in_set): Handle ARRAY_REF.
11917 Change "if min_variant or VH" to asserts.
11918 (create_component_ref_by_pieces): Handle ARRAY_REF.
11919 (create_expression_by_pieces): Likewise.
11920 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11922 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11924 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11925 is operand of switch, not str[0].
11927 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11929 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11930 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11932 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11934 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11935 end of insn_extra_address_constraint declaration.
11937 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11939 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11940 (no-sum-in-toc): Same.
11941 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11943 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11944 NO_FP_IN_TOC for -fPIC instead of mask.
11946 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11947 (BOOT_LDFLAGS): Delete.
11949 * config/rs6000/t-aix52: Same.
11951 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11952 (stmsi[345678]_power): New.
11954 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11956 * config/ia64/ia64.opt: Add empty line to end of file.
11958 2006-03-17 Richard Guenther <rguenther@suse.de>
11960 PR middle-end/26721
11961 * builtins.c (get_pointer_alignment): For component style references
11962 adjust alignment to the component type alignment. Make sure
11963 to adjust alignment for component access of constants.
11965 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11967 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11968 unconditional jump.
11970 2006-03-17 Paul Brook <paul@codesourcery.com>
11972 * doc/install.texi: Docuemnt --with-mode.
11973 * config.gcc: Add --with-mode for arm*-*-*.
11974 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11976 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11978 * sh.c (max_labelno_before_reorg): New variable.
11979 (sh_reorg): Initialize it.
11980 (find_barrier): Check max_labelno_before_reorg before using
11981 label_to_alignment. Take length of explicit alignment insns
11982 into account. When seeing a UNSPECV_CONST_END, return it.
11984 * sh.c (fixup_mova): Set mode of affected label to QImode.
11985 (untangle_mova): New function.
11986 (find_barrier): Use it. Check mode of label before decrementing
11988 (sh_reorg): Likewise.
11989 Set mode of all insns back to VOIDmode.
11991 * sh.c (MOVA_LABELREF): New macro.
11992 (mova_p, fixup_mova, sh_reorg): Use it.
11993 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11994 ADDR_DIFF_VEC matches mova.
11996 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11998 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11999 with ATTRIBUTE_UNUSED.
12001 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12003 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12004 pointer, instead of assuming it is possible to derive the
12005 correct args size from a call insn.
12007 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12009 * rtl.h (CONST_INT_P): Define.
12010 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12011 instead of GET_CODE(x) == CONST_INT.
12012 (vax_rtx_costs): Likewise.
12013 (vax_output_int_move): Likewise.
12014 (vax_output_int_add): Likewise.
12015 (legitimate_constant_address_p): Likewise.
12016 (index_term_p): Likewise.
12017 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12018 * config/vax/vax.md (and<mode>3): Likewise.
12019 (ashrsi3): Likewise.
12021 (movstricthi): Likewise.
12022 (movstrictqi): Likewise.
12023 (rotrsi3): Likewise.
12024 (five unnamed insns): Likewise.
12026 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12028 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12029 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12030 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12031 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12032 Pass to ASM_OUTPUT_DWARF_OFFSET.
12033 * dwarf2out.c (debug_frame_section): New.
12034 (output_call_frame_info): Use debug_frame_section. Pass it to
12035 dw2_asm_output_offset.
12036 (output_die): Pass appropriate section to dw2_asm_output_offset.
12037 (output_compilation_unit_header): Likewise.
12038 (output_pubnames): Likewise.
12039 (output_aranges): Likewise.
12040 (enum dw_val_class): Break dw_val_class_lbl_offset into
12041 dw_val_class_lineptr and dw_val_class_macptr.
12042 (add_AT_lbl_offset): Delete.
12043 (add_AT_lineptr): New.
12044 (add_AT_macptr): New.
12045 (AT_lbl): Expect a lineptr or macptr.
12046 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12047 (attr_checksum): Likewise.
12048 (same_dw_val_p): Likewise.
12049 (size_of_die): Likewise.
12050 (value_format): Likewise.
12051 (output_die): Likewise.
12052 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12054 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12055 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12056 * config/darwin-protos.h (darwin_file_start): New.
12057 (darwin_asm_output_dwarf_offset): New.
12058 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12059 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12061 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12062 if not EH section; simplify.
12063 (darwin_file_start): New.
12064 (darwin_asm_output_dwarf_offset): New.
12065 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12067 (DEBUG_INFO_SECTION): Likewise.
12068 (DEBUG_ABBREV_SECTION): Likewise.
12069 (DEBUG_ARANGES_SECTION): Likewise.
12070 (DEBUG_MACINFO_SECTION): Likewise.
12071 (DEBUG_LINE_SECTION): Likewise.
12072 (DEBUG_LOC_SECTION): Likewise.
12073 (DEBUG_PUBNAMES_SECTION): Likewise.
12074 (DEBUG_STR_SECTION): Likewise.
12075 (DEBUG_RANGES_SECTION): Likewise.
12076 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12077 (ASM_OUTPUT_DWARF_OFFSET): New.
12079 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12081 * config.gcc (tm_defines): Always add to previous value rather
12084 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12086 * config/mips/predicates.md (splittable_const_int_operand): New,
12087 split from move_operand.
12088 (splittable_symbolic_operand): New.
12089 (move_operand): Add commentary. Use splittable_const_int_operand.
12090 Inline mips_atomic_symbolic_constant_p.
12091 * config/mips/mips.md: Add combine splitters for handling moves
12092 of splittable_const_int_operands and splittable_symbolic_operands.
12093 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12094 (mips_split_symbol): Declare.
12095 (mips_move_integer): Declare.
12096 * config/mips/mips.c (mips_split_p): Make global.
12097 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12098 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12099 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12100 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12101 (mips_offset_within_object_p): Handle block symbols.
12102 (mips_atomic_symbolic_constant_p): Delete.
12103 (mips_cannot_force_const_mem): Return false for constants that
12104 mips_legitimize_move can handle.
12105 (mips_use_blocks_for_constant_p): New function.
12106 (mips_split_symbol): Make global.
12107 (mips_move_integer): Likewise. Add a temporary register argument.
12108 (mips_legitimize_const_move): Use splittable_const_int_operand and
12109 splittable_symbolic_operand.
12110 (mips_use_anchors_for_symbol_p): New function.
12111 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12112 (mips_split_p): Declare.
12114 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12116 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12117 (mips*-*-linux*): Likewise.
12119 2006-03-16 Roger Sayle <roger@eyesopen.com>
12120 Daniel Speyer <dspeyer@wam.umd.edu>
12122 PR middle-end/18259
12123 * tree-dump.c (dump_real): New function.
12124 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12125 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12126 (tree-dump.o): Add $(REAL_H) to the dependencies.
12128 2006-03-16 Roger Sayle <roger@eyesopen.com>
12130 PR middle-end/21781
12131 * real.c (real_from_string): If the mantissa is zero, don't bother
12132 parsing the exponent as the result should always be zero.
12134 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12136 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12138 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12140 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12141 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12142 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12143 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12144 ia64_sched_finish_global): New static functions to implement
12145 hooks from gcc_target.sched.
12146 (spec_check_no, max_uid, pending_data_specs): New static variables.
12147 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12148 ia64_spec_check_src_p): New static functions.
12149 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12150 (TARGET_SCHED_ADJUST_COST): Removed.
12151 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12152 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12153 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12154 TARGET_SCHED_GEN_CHECK,
12155 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12156 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12157 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12158 Fixed to handle speculation checks.
12159 (rtx_needs_barrier): Fixed to handle speculative loads and
12161 (ia64_variable_issue): Added code to count speculative loads and their
12163 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12165 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12167 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12169 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12170 (ia64_reorg): Reset stops_p to NULL after it is freed.
12171 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12172 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12173 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12175 (data_speculative, control_speculative, check_load): New attributes.
12176 (mov<mode>_advanced, mov<mode>_speculative,
12177 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12178 zero_extend<mode>di2_speculative,
12179 zero_extend<mode>di2_speculative_advanced): New patterns for
12180 data and control speculative loads.
12181 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12183 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12184 New pattern for data and control speculation checks.
12185 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12186 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12187 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12188 Auxiliary definitions for the patterns.
12189 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12190 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12192 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12194 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12195 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12196 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12197 New resource constraints.
12198 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12200 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12201 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12202 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12203 msched-in-control-spec, msched-ldc, msched-control-ldc,
12204 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12205 msched-prefer-non-control-spec-insns,
12206 msched-count-spec-in-critical-path): New flags to tune speculative
12208 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12209 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12210 msched-in-control-spec, msched-ldc, msched-control-ldc,
12211 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12212 msched-prefer-non-control-spec-insns,
12213 msched-count-spec-in-critical-path): Document new flags.
12215 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12217 * target.h (struct spec_info_def): New opaque declaration.
12218 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12219 speculate_insn, needs_block_p, gen_check,
12220 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12221 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12222 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12223 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12224 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12225 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12227 (TARGET_SCHED): Use new macros.
12228 * rtl.h (copy_DEPS_LIST_list): New prototype.
12229 * sched-int.h (struct sched_info): Change signature of new_ready field,
12230 adjust all initializations. New fields: add_remove_insn,
12231 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12232 region_head_or_leaf_p.
12233 (struct spec_info_def): New structure declaration.
12234 (spec_info_t): New typedef.
12235 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12236 recovery_block, orig_pat.
12237 (glat_start, glat_end): New variables declaraions.
12238 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12240 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12241 DETACH_LIFE_INFO, USE_GLAT.
12242 (enum SPEC_SCHED_FLAGS): New enumeration.
12243 (NOTE_NOTE_BB_P): New macro.
12244 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12245 attach_life_info, debug_spec_status, check_reg_live): New functions.
12246 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12247 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12249 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12250 * ddg.c (get_block_head_tail): Adjust all uses.
12251 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12252 (sms_sched_info): Initialize new fields.
12253 (contributes_to_priority): Removed.
12254 * haifa-sched.c (params.h): New include.
12255 (get_block_head_tail): Adjust all uses.
12256 (ISSUE_POINTS): New macro.
12257 (glat_start, glat_end): New global variables.
12258 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12259 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12260 old_last_basic_block, before_recovery, current_sched_info_var,
12261 rgn_n_insns, luid): New static variables.
12262 (insn_cost1): New function. Move logic from insn_cost to here.
12263 (find_insn_reg_weight1): New function. Move logic from
12264 find_insn_reg_weight to here.
12265 (reemit_notes, move_insn, max_issue): Change signature.
12266 (move_insn1): Removed.
12267 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12268 extend_bb): New static functions to support extension of scheduler's
12270 (generate_recovery_code, process_insn_depend_be_in_spec,
12271 begin_speculative_block, add_to_speculative_block,
12272 init_before_recovery, create_recovery_block, create_check_block_twin,
12273 fix_recovery_deps): New static functions to support
12274 generation of recovery code.
12275 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12276 restore_bb_notes, move_block_after_check, move_succs): New static
12277 functions to support ebb scheduling.
12278 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12279 functions to support handling of register live information.
12280 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12281 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12282 add_jump_dependencies): New static functions.
12283 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12284 consistancy checking.
12285 (debug_spec_status): New function to call from debugger.
12286 (priority): Added code to handle speculation checks.
12287 (rank_for_schedule): Added code to distinguish speculative instructions.
12288 (schedule_insn): Added code to handle speculation checks.
12289 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12290 Fixed to handle ebbs.
12291 (move_insn): Added code to handle ebb scheduling.
12292 (max_issue): Added code to use ISSUE_POINTS of instructions.
12293 (choose_ready): Added code to choose between speculative and
12294 non-speculative instructions.
12295 (schedule_block): Added code to handle ebb scheduling and scheduling of
12296 speculative instructions.
12297 (sched_init): Initialize new variables.
12298 (sched_finish): Free new variables. Print statistics.
12299 (try_ready): Added code to handle speculative instructions.
12300 * lists.c (copy_DEPS_LIST_list): New function.
12301 * sched-deps.c (extend_dependency_caches): New function. Move logic
12302 from create_dependency_caches to here.
12303 (get_dep_weak, ds_merge): Make global.
12304 * genattr.c (main): Code to output prototype for
12305 dfa_clear_single_insn_cache.
12306 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12307 (output_dfa_clean_insn_cache_func): Code to output
12308 dfa_clear_single_insn_cache function.
12309 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12311 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12313 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12314 New static variables.
12315 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12316 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12318 (ebb_sched_info): Initialize new fields.
12319 (get_block_head_tail): Adjust all uses.
12320 (compute_jump_reg_dependencies): Fixed to use glat_start.
12321 (schedule_ebb): Code to remove unreachable last block.
12322 (schedule_ebbs): Added code to update register live information.
12323 * sched-rgn.c (region_sched_info): Initialize new fields.
12324 (get_block_head_tail): Adjust all uses.
12325 (last_was_jump): Removed. Adjust users.
12326 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12327 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12328 Implement new hooks.
12329 (check_dead_notes1): New static function.
12330 (struct region): New fields: dont_calc_deps, has_real_ebb.
12331 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12332 (BB_TO_BLOCK): Fixed to handle EBBs.
12333 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12334 (ebb_head): New static variable.
12335 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12336 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12338 (compute_dom_prob_ps): New assertion.
12339 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12340 global_live_at_start.
12341 (init_ready_list): New assertions.
12342 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12343 (new_ready): Add support for BEGIN_CONTROL speculation.
12344 (schedule_insns): Fixed code that updates register live information
12346 (schedule_region): Fixed to handle EBBs.
12347 (init_regions): Use extend_regions and check_dead_notes1.
12348 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12349 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12350 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12351 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12352 TARGET_SCHED_GEN_CHECK,
12353 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12354 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12355 * doc/invoke.texi (max-sched-insn-conflict-delay,
12356 sched-spec-prob-cutoff): Document.
12358 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12360 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12361 inter_tick, queue_index.
12362 (struct sched_info): Change signature of init_ready_list field.
12363 Adjust all initializations.
12364 (RESOLVED_DEPS): New access macro.
12365 (ready_add): Remove prototype.
12366 (try_ready): Add prototype.
12367 * sched-rgn.c (init_ready_list): Use try_ready.
12368 (schedule_region): Initialize
12369 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12370 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12371 (init_ready_list): Use try_ready.
12372 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12373 * lists.c (remove_list_elem): Remove `static'.
12374 (remove_free_INSN_LIST_elem): New function.
12375 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12376 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12377 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12379 (readyp): New variable.
12380 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12381 change_queue_index, resolve_dep): New static functions.
12382 (try_ready): New function. Adjust callers in sched-rgn.c and
12383 sched-ebb.c to use it instead of ready_add.
12384 (clock_var): Move at the begining of file.
12385 (rank_for_schedule): Fix typo.
12386 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12387 (ready_lastpos): Enforce assertion.
12388 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12389 update all callers.
12390 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12391 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12392 (queue_to_ready): Use free_INSN_LIST_list.
12393 (early_queue_to_ready): Fix typo.
12394 (schedule_block): Init readyp. Move init_ready_list call after the
12395 initialization of clock_var. Fix error in rejecting insn by
12396 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12397 that previously corrected INSN_TICKs. Add code for handling
12399 (set_priorities): Fix typo.
12400 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12401 Clarify comment and code that keeps current_sched_info->next_tail
12404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12406 * sched-rgn.c (extend_rgns): New static function.
12407 (find_rgns): Use it.
12408 (gather_region_statistics, print_region_statistics): New static
12410 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12411 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12413 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12414 Andrey Belevantsev <abel@ispras.ru>
12416 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12417 * lists.c (unused_deps_list): New variable.
12418 (free_list): Add assertions to verify the proper distinguishing
12419 between INSN_LISTs and DEPS_LISTs.
12420 (find_list_elem, remove_list_elem, remove_list_node): New static
12422 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12423 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12424 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12425 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12427 (free_INSN_LIST_node): Likewise.
12428 * modulo-sched.c (current_sched_info): Initialize flags field.
12429 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12430 * rtl.def (DEPS_LIST): Define.
12431 * rtl.h: Declare new functions from lists.c.
12432 * sched-deps.c (spec_dependency_cache): New static variable.
12433 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12434 (add_dependence): Change return type to void. Move the logic to ...
12435 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12436 (delete_all_dependences): Add comment about forward_dependency_cache.
12437 Handle spec_dependency_cache. Handle DEPS_LISTs.
12438 (fixup_sched_groups): Clarify the change of priority of output
12439 and anti dependencies.
12440 (sched_analyze_2): Adjust add_dependence calls to create data
12441 speculative dependence.
12442 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12443 Adjust all callers. Handle DEPS_LISTS.
12444 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12445 presence of speculation.
12446 (init_dependency_caches, free_dependency_caches):
12447 Handle spec_dependency_cache.
12448 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12449 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12450 New static functions.
12451 (add_or_update_back_dep, add_or_update_back_forw_dep,
12452 add_back_forw_dep, delete_back_forw_dep): New functions.
12453 * sched-int.h (ds_t, dw_t): New typedefs.
12454 (struct sched_info): Add new field flags.
12455 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12456 Prototype new sched-deps.c functions.
12457 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12458 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12459 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12460 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12461 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12462 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12464 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12466 * sched-rgn.c (current_sched_info): Initialize flags field.
12467 (schedule_insns): Initialize current_sched_info before the sched_init
12469 * sched-ebb.c (current_sched_info): Initialize flags field.
12470 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12471 Call add_or_update_back_dep instead of add_dependence.
12472 Create control speculative dependencies.
12473 (schedule_insns): Initialize current_sched_info before the sched_init
12476 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12478 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12480 (sh_fallback_frame_state): Likewise.
12482 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12484 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12485 Do switch on default_use_cxa_atexit.
12486 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12487 * config/darwin-crt3.o: New.
12488 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12489 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12490 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12492 * config/rs6000/t-darwin: Move crt2.o building to here.
12493 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12494 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12497 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12499 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12500 from '! xxx' to '!xxx' for coding-style conformance.
12501 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12502 (EXTRA_CONSTRAINT): Likewise.
12503 * config/vax/vax.md (four unnamed insns): Likewise.
12505 2006-03-15 Paul Brook <paul@codesourcery.com>
12507 * config/arm/arm.c (minipool_pad): New.
12508 (add_minipool_forward_ref): Include pool alignment padding in address
12510 (push_minipool_fix): Set minipool_pad.
12511 (minipool_pad): Ditto.
12513 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12515 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12516 instead of GET_CODE() == MEM and REG_P() instead of
12518 (print_operand_address): Likewise.
12519 (vax_address_cost): Likewise.
12520 (vax_rtx_costs): Likewise.
12521 (vax_notice_update_cc): Likewise.
12522 (vax_output_int_add): Likewise.
12523 (INDEX_REGISTER_P): Likewise.
12524 (BASE_REGISTER_P): Likewise.
12525 (nonindexed_address_p): Likewise.
12526 (vax_mode_dependent_address_p): Likewise.
12527 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12528 (PRINT_OPERAND): Likewise.
12529 * config/vax/vax.md (ashlsi3): Likewise.
12530 (ashlsi3): Likewise.
12531 (some more unnamed insns): Likewise.
12533 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12535 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12536 iterator-style macro.
12537 (mark_control_dependent_edges_necessary): Update the use of
12538 EXECUTE_IF_CONTROL_DEPENDENT.
12540 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12542 * config/sh/predicates.md (cache_address_operand): Special.
12543 (ua_address_operand): Likewise.
12545 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12547 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12549 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12551 2006-03-15 Andreas Schwab <schwab@suse.de>
12553 * gensupport.c (identify_predicable_attribute): Don't free p_false
12554 when it is still in use.
12556 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12558 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12559 the default setting here.
12561 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12563 * tree-pass.h (pass_cfg): Remove.
12564 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12565 * passes.c (pass_cfg): Don't run it.
12567 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12569 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12570 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12572 (stack_regs_mentioned): Update the uses of
12573 stack_regs_mentioned_data. Don't access the array beyond its
12575 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12576 Don't include gt-reg-stack.h.
12578 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12579 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12581 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12583 PR middle-end/26684
12584 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12587 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12589 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12591 2006-03-14 Richard Guenther <rguenther@suse.de>
12593 PR tree-optimization/26672
12594 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12597 2006-03-14 Richard Guenther <rguenther@suse.de>
12599 PR tree-optimization/26667
12600 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12601 node for the callees. Always allow inlining if it will shrink
12604 2006-03-14 Richard Guenther <rguenther@suse.de>
12606 PR middle-end/26659
12607 * builtins.c (get_pointer_alignment): Prefer alignment
12608 information from decls over that from types.
12610 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12613 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12615 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12617 * config/rs6000/rs6000.opt (mdlmzb): New option.
12618 (msched-prolog, msched-epilog): Use Var not Mask.
12619 * doc/invoke.texi (-mdlmzb): Document.
12620 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12622 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12623 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12625 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12627 PR rtl-optimization/25739
12628 * bt-load.c (augment_live_range): Free tos pointer.
12630 * gensupport.c (identify_predicable_attribute): Free
12632 * gcov.c (create_file_names): Free name pointer.
12634 2006-03-13 Roger Sayle <roger@eyesopen.com>
12636 PR middle-end/26557
12637 * stmt.c (emit_case_nodes): Handle the case where the index is a
12638 CONST_INT, where the comparison mode is specified by the index type.
12640 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12642 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12645 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12647 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12648 (*branch_fp_inverted): Likewise.
12650 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12652 PR middle-end/25989
12653 * omp-low.c (expand_omp_for_generic): Mark istart0
12654 and iend0 as addressable.
12656 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12658 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12660 2006-03-13 Jeff Law <law@redhat.com>
12662 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12663 virtual operands are interesting.
12664 (vrp_visit_stmt): Corresponding changes.
12666 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12668 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12670 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12671 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12672 * config/bfin/crti.S: Use it instead of __PIC__.
12673 * config/bfin/crtn.S: Likewise.
12675 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12676 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12678 Lose 'G' modifier for call operand.
12679 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12680 recognize 'G' modifier.
12682 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12684 PR middle-end/18859
12685 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12686 * stmt.c (expand_case): Likewise.
12688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12690 PR rtl-optimization/26254
12691 * loop-invariant.c (seq_insns_valid_p): New function.
12692 (move_invariant_reg): Only emit new code if it is valid.
12694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12696 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12698 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12699 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12700 (commit_one_edge_insertion): Do not look for loop notes.
12702 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12704 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12705 flag_test_coverage out of loop.
12707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12709 * final.c (shorten_branches): Remove outdated comment, and turn
12710 the if branch that guards it to continue.
12712 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12714 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12715 * cfgloop.h (struct loop): Remove unused fields.
12717 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12719 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12720 (-dL, -fdump-rtl-loop2): Update the dump file names
12722 * doc/invoke.texi: Update dump file names.
12724 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12726 * predict.c (estimate_probability): Remove.
12727 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12728 * basic-block.h (estimate_probability): Remove prototype.
12729 * passes.c (finish_optimization_passes): Dump branch prediction or
12730 profiling heuristics to the .profile tree dump.
12731 (init_optimization_passes): Unqueue pass_branch_prob.
12733 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12735 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12737 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12738 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12740 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12742 * function.h (frame_offset_overflow): Declare.
12743 * function.c (frame_offset_overflow): New function.
12744 (assign_stack_local_1): Call it to detect that the offset overflows.
12745 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12747 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12749 * config/sh/sh.c: Include alloc-pool.h.
12750 (label_ref_list_pool): New alloc pool.
12751 (label_ref_list_t): New type for lists of labels.
12752 (struct pool_node): Make wend a label_ref_list_t.
12753 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12755 (dump_table): Likewise.
12756 (sh_reorg): Set up the alloc pool before using add_constant and
12757 dump_table, and destroy it when finishing.
12759 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12761 * config/mips/mips.c: Remove redundant comment.
12763 2006-03-10 Jason Merrill <jason@redhat.com>
12766 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12767 the target was declared 'register'.
12769 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12771 * genpreds.c (write_insn_constraint_len): Change definition of
12772 insn_constraint_len to return size_t to match the declaration.
12774 2006-03-10 DJ Delorie <dj@redhat.com>
12776 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12778 (m32c_expand_insv): Fix test for an AND mask.
12780 2006-03-10 Richard Guenther <rguenther@suse.de>
12782 PR middle-end/26565
12783 * builtins.c (get_pointer_alignment): Handle component
12784 references for field alignment.
12786 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12788 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12789 when building with libgloss.
12790 (sh*elf): Implement --without-fp option.
12791 (sh64-superh-linux*): Don't multilib.
12793 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12795 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12797 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12799 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12800 Set it when one of the replacement functions returned true.
12801 Return TODO_cleanup_cfg if cfgchanged is true.
12802 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12804 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12806 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12807 instead of gen_lowpart.
12809 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12811 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12813 (mips_output_order_conditional_branch): Declare.
12814 * config/mips/mips.h (MIPS_BRANCH): New macro.
12815 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12816 for the comparison. Use gen_condjump.
12817 (mips_output_conditional_branch): Rework interface to take the
12818 asm templates for a direct branch and the inverse of a direct branch.
12819 (mips_output_order_conditional_branch): New function.
12820 (mips_builtin_branch_and_move): New function.
12821 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12822 branch condition. Use gen_single_cc as the condition for
12823 __builtin_mips_upper_* or __builtin_mips_lower_*.
12824 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12825 Use VOIDmode for the branch condition.
12826 * config/mips/predicates.md (order_operator): New predicate.
12827 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12828 (branch_fp): Rename to...
12829 (*branch_fp): ...this. Remove mode from comparison operator.
12830 Use new mips_output_conditional_branch interface.
12831 (branch_fp_inverted): Rename to...
12832 (*branch_fp_inverted): ...this and update as for *branch_fp.
12833 (*branch_zero<mode>): Rename to...
12834 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12835 Use mips_output_order_conditional_branch. Only accept ordered
12837 (*branch_zero<mode>_inverted): Rename to...
12838 (*branch_order<mode>_inverted): ...this and update as for
12839 *branch_order<mode>.
12840 (*branch_equality<mode>): Accept zero as the second operand to
12841 the equality operator. Use the new mips_output_conditional_branch
12843 (*branch_equality<mode>_inverted): Likewise.
12844 (condjump): New expander.
12845 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12847 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12848 (bc1any2t, bc1any2f): Likewise.
12849 (single_cc): New expander.
12850 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12852 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12854 * doc/md.texi: Update documentation of MIPS constraints.
12855 * config/mips/constraints.md: New file.
12856 * config/mips/mips.md: Include it.
12857 * config/mips/mips.c (mips_char_to_class): Delete.
12858 (override_options): Don't initialize mips_char_to_class.
12859 * config/mips/mips.h (mips_char_to_class): Delete.
12860 (REG_CLASS_FROM_LETTER): Delete.
12861 (CONST_OK_FOR_LETTER_P): Delete.
12862 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12863 (EXTRA_CONSTRAINT_Y): Delete.
12864 (EXTRA_CONSTRAINT_STR): Delete.
12865 (CONSTRAINT_LEN): Delete.
12866 (EXTRA_MEMORY_CONSTRAINT): Delete.
12868 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12870 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12871 original fn's eh regions.
12873 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12875 * fold-const.c (build_range_check): Make sure to use a valid type to
12876 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12879 (range_predecessor): New static function.
12880 (range_successor): Likewise.
12881 (merge_ranges): Use them to compute predecessors and successors of
12884 2006-03-09 Roger Sayle <roger@eyesopen.com>
12886 PR middle-end/26561
12887 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12888 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12890 2006-03-08 DJ Delorie <dj@redhat.com>
12892 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12893 (addpsi3): Expand to include memory operands. Remove
12894 reload-specific splits.
12895 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12896 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12897 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12898 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12899 (shift1_qi, shift1_hi, insv): New.
12900 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12901 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12902 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12904 * config/m32c/m32c-protos.h: Update as needed.
12905 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12906 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12907 Fail for unrecognized R* constraints.
12908 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12909 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12910 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12912 (m32c_init_libfuncs): New.
12913 (m32c_legitimate_address_p): Add debug wrapper.
12914 (m32c_rtx_costs): New.
12915 (m32c_address_cost): New.
12916 (conversions): Add 'B' prefix.
12917 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12918 operands, or word regnames for QI operands. 'B' prints bit
12920 (m32c_expand_setmemhi): New.
12921 (m32c_expand_movmemhi): New.
12922 (m32c_expand_movstr): New.
12923 (m32c_expand_cmpstr): New.
12924 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12925 (m32c_expand_neg_mulpsi3): Handle non-ints.
12926 (m32c_cmp_flg_0): New.
12927 (m32c_expand_movcc): New.
12928 (m32c_expand_insv): New.
12929 (m32c_scc_pattern): New.
12930 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12931 a0/a1 out of SIregs.
12932 (STORE_FLAG_VALUE): New.
12933 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12936 * config/m32c/mov.md: Make constraints more liberal.
12937 (zero_extendqihi2): Optimize r0/r1 case.
12938 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12939 * config/m32c/predicates.md (m32c_any_operand): New.
12940 (m32c_nonimmediate_operand): New.
12941 (m32c_hl_operand): New.
12942 (m32c_r3_operand): New.
12945 (memsym_operand): New.
12946 (memimmed_operand): New.
12947 (a_qi_operand): New.
12948 (m32c_eqne_operator): New.
12949 (m32c_1bit8_operand): New.
12950 (m32c_1bit16_operand): New.
12951 (m32c_1mask8_operand): New.
12952 (m32c_1mask16_operand): New.
12953 * config/m32c/blkmov.md: New file.
12954 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12956 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12958 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12959 unsigned to fix signed/unsigned comparison issue in
12960 DWARF2_FRAME_REG_OUT.
12961 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12962 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12964 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12965 of ptr into the ENABLE_CHECKING section.
12967 2006-03-08 Jeff Law <law@redhat.com>
12969 * tree-vrp.c (infer_value_range): Only count pointer uses
12970 and dereferences if -fdelete-null-pointer-checks is enabled.
12972 * tree-vrp.c (find_assert_locations): Infer value ranges for
12973 single use pointers, but do not create ASSERT_EXPRs for them.
12974 When a non-null range is inferred for a pointer, backwards
12975 propagate that range to other equivalent pointers through the
12978 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12981 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12982 language hook targets.
12983 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12984 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12985 if language hook targets were missing.
12987 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12989 * tree-ssa-opfinalize.h: Removed.
12990 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12992 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12993 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12994 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12995 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12996 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12997 finalize_ssa_v_must_def_ops): New.
12999 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13001 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13002 block as parameter.
13004 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13006 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13008 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13009 addresses with offsets; reorganize.
13011 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13012 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13013 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13015 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13018 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13020 2006-03-08 Ben Elliston <bje@au.ibm.com>
13022 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13024 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13027 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13030 2006-03-07 Richard Guenther <rguenther@suse.de>
13032 PR tree-optimization/26587
13033 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13035 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13037 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13039 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13041 * hooks.c (hook_bool_mode_rtx_true): New function.
13042 * hooks.h (hook_bool_mode_rtx_true): Declare.
13043 * toplev.c (compile_file): Call output_shared_constant_pool.
13044 * varasm.c (shared_constant_pool): New variable.
13045 (assemble_start_function, assemble_end_function): Remove arguments
13046 from call to output_constant_pool.
13047 (create_constant_pool): New function, split out from...
13048 (init_varasm_status): ...here.
13049 (force_const_mem): Choose between the shared and per-function constant
13050 pools. Set current_function_uses_const_pool when reusing old entries
13051 as well as when creating new ones.
13052 (mark_constant): Ignore data argument.
13053 (mark_constants): Remove pool argument.
13054 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13055 to decide whether the function uses a constant pool.
13056 (output_constant_pool_contents): New function, split out from...
13057 (output_constant_pool): ...here.
13058 (output_shared_constant_pool): New function.
13059 (init_varasm_once): Initialize shared_constant_pool.
13060 * output.h (output_constant_pool): Delete.
13061 (output_shared_constant_pool): Declare.
13062 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13063 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13065 2006-03-06 Nick Clifton <nickc@redhat.com>
13067 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13068 flag_strength_reduce.
13070 2006-03-06 Ben Elliston <bje@au.ibm.com>
13072 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13073 x86_64-*-linux* configurations.
13075 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13076 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13078 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13080 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13082 * basic-block.h: Remove the extern for
13083 rediscover_loops_after_threading.
13085 * cfgloop.c (cancel_loop): Make it static.
13086 * cfgloop.h: Remove the prototype for cancel_loop.
13088 * flow.c (recompute_reg_usage): Make it static.
13089 * rtl.h: Remove the prototype for recompute_reg_usage.
13091 * function.c (use_return_register): Make it static.
13092 * function.h: Remove the prototype.
13094 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13096 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13098 * recog.h: Remove the prototype for
13099 validate_change_maybe_volatile.
13101 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13103 * rtlanal.c (replace_reg): Remove.
13104 * rtl.h: Remove the prototype for replace_reg.
13106 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13108 * regclass.c (reg_scan_update): Remove.
13109 (reg_scan_mark_refs): Remove the last argument.
13110 * rtl.h: Remove the prototype for reg_scan_update.
13112 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13114 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13115 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13116 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13117 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13118 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13119 loop-invariant.c, omp-low.c, opts.c, passes.c,
13120 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13121 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13122 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13123 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13124 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13125 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13127 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13129 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13130 * dwarf2out.h: Remove the prototype for
13131 dwarf2out_add_library_unit_info.
13133 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13135 * tree.c (add_var_to_bind_expr): Remove.
13136 * tree.h: Remove the prototype for add_var_to_bind_expr.
13138 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13140 * regclass.c (n_non_fixed_regs): Remove.
13141 (init_reg_sets_1, globalize_reg): Remove all uses of
13143 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13145 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13147 * rtlanal.c (insns_safe_to_move_p): Remove.
13148 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13150 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13152 * expmed.c (expand_mult_add): Remove.
13153 * expr.h: Remove the prototype for expand_mult_add.
13155 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13157 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13158 and REG_SAVED_VAL_EXP constants.
13159 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13160 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13161 Handle regs stored by value.
13162 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13163 (execute_cfa_program): Handle DW_CFA_val_offset,
13164 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13165 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13166 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13167 (uw_install_context_1): Handle target regs stored by value.
13169 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13171 * tree-sra.c (tree_sra): Return todoflags;
13172 (generate_one_element): Set TODO_update_smt_usage if needed.
13173 (pass_sra): Remove TODO_update_smt_usage.
13174 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13176 (tree_ssa_forward_propagate_single_use_vars): Return
13177 TODO_update_smt_usage if we need to update SMT usage.
13178 (pass_forwprop): Remove TODO_update_smt_usage.
13180 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13182 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13183 (correct_use_link): Remove reference to get_stmt_operands.
13184 (update_stmt_operands): Likewise.
13185 (get_modify_expr_operands): New function factored out of
13186 parse_ssa_operands and get_expr_operands.
13187 Try to create V_MUST_DEFs for LHS by default.
13188 (get_expr_operands) <case MODIFY_EXPR>: Call
13189 get_modify_expr_operands.
13190 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13191 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13192 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13193 get_modify_expr_operands.
13195 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13197 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13198 * tree-flow.h: Remove the prototype for
13199 referenced_var_lookup_if_exists.
13201 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13203 PR rtl-optimization/26345
13205 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13207 2006-03-03 Roger Sayle <roger@eyesopen.com>
13209 PR tree-optimization/26524
13210 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13211 fold_convert to create a constant of the appropriate type.
13213 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13215 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13216 SYMBOL_REF_IN_BLOCK_P.
13217 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13218 of SYMBOL_FLAG_IN_BLOCK.
13219 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13220 instead of SYMBOL_REF_IN_BLOCK_P.
13221 * explow.c (use_anchored_address): Likewise.
13222 * rtl.c (rtx_size): Likewise.
13223 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13224 instead of SYMBOL_FLAG_IN_BLOCK.
13225 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13226 SYMBOL_REF_IN_BLOCK_P.
13227 (assemble_variable): Likewise.
13228 (output_constant_def_contents): Likewise.
13229 (output_constant_pool): Likewise.
13230 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13231 instead of SYMBOL_FLAG_IN_BLOCK.
13232 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13233 SYMBOL_REF_IN_BLOCK_P.
13234 (SYMBOL_REF_BLOCK): Likewise.
13235 (SYMBOL_REF_OFFSET): Likewise.
13236 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13237 SYMBOL_REF_IN_BLOCK_P.
13238 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13239 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13240 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13241 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13243 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13245 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13247 2006-03-02 Roger Sayle <roger@eyesopen.com>
13249 * simplify-rtx.c (simplify_unary_operation): When simplifying
13250 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13251 that we perform the right shift in the appropriate mode, and
13252 then extend or truncate the result to requested mode.
13254 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13256 * gengtype.c (main): Handle double_int type.
13257 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13258 * double-int.c: New file.
13259 * double-int.h: New file.
13260 * system.h: Include doubleint.h.
13261 * Makefile.in (SYSTEM_H): Include double-int.h.
13262 (double-int.o): Add.
13264 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13267 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13270 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13272 * tree-vrp.c (remove_range_assertions): Do not update statements
13275 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13277 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13279 * gcse.c (rest_of_handle_gcse): Ditto.
13280 * except.c (gate_handle_eh): Ditto.
13281 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13282 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13284 2006-03-02 Eric Christopher <echristo@apple.com>
13286 * config/i386/i386.c (machopic_output_stub): Add indirection to
13289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13293 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13295 Sun Niagara specific optimizations.
13296 * config.gcc: Recognize niagara as target.
13297 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13298 (TARGET_CPU_niagara): Define.
13299 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13300 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13301 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13302 (ASM_CPU_SPEC): Likewise.
13303 (PROCESSOR_NIAGARA): New enum entry.
13304 (REGISTER_MOVE_COST): Handle Niagara.
13305 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13306 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13307 (sparc_override_options): Recognize "niagara", set appropriate
13308 default MASK_* values for it, and align functions to 32-bytes
13309 by default just like ULTRASPARC/ULTRASPARC3.
13310 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13311 (sparc64_initialize_trampoline): Likewise.
13312 (sparc_use_sched_lookahead): Use zero for niagara.
13313 (sparc_issue_rate): Use one for niagara.
13314 * config/sparc/niagara.md: New file.
13315 * config/sparc/sparc.md: Include it.
13316 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13317 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13318 when default cpu is niagara.
13319 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13320 (ASM_CPU_SPEC): Likewise.
13321 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13322 when default cpu is niagara.
13323 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13324 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13325 just like v9/ultrasparc/ultrasparc3.
13326 * doc/invoke.texi: Add documentation for "niagara" and improve
13327 existing documentation for ultrasparc variants.
13329 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13331 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13333 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13335 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13336 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13337 and say that only one is needed.
13338 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13339 * target.h (have_switchable_bss_sections): New hook.
13340 * explow.c (use_anchored_address): Check that the symbol is in a block.
13341 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13342 (bss_noswitch_section): New variables.
13343 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13344 (get_noswitch_section): New function.
13345 (get_block_for_section): Allow SECT to be null.
13346 (unlikely_text_section_p): Use SECTION_STYLE.
13347 (bss_initializer_p): New function.
13348 (get_variable_section): Move earlier in file. Take a new argument,
13349 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13350 Return one of the new *_sections in such cases.
13351 (get_block_for_decl): New function, extracting some logic from
13352 use_blocks_for_decl_p.
13353 (change_symbol_section): Remove in favor of...
13354 (change_symbol_block): ...this new function.
13355 (use_blocks_for_decl_p): Remove checks now performed by
13356 get_block_for_decl.
13357 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13358 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13359 (emit_local, emit_bss, emit_common): ...these new functions.
13360 Return true if the alignment was honored.
13361 (emit_tls_common): New function.
13362 (asm_emit_uninitialised): Delete.
13363 (assemble_variable_noswitch): New function, split out from...
13364 (assemble_variable): ...here. Don't make decisions about common
13365 variables here. Globalize all public decls that go into non-common
13366 sections. Check whether SYMBOL_REF_BLOCK is null.
13367 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13368 (output_constant_pool): Likewise.
13369 (init_varasm_once): Initialize the new section variables.
13370 (have_global_bss_p): New function.
13371 (categorize_decl_for_section): Use bss_initializer_p.
13372 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13373 (place_block_symbol): Assert that the symbol must be in a block.
13374 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13375 (TARGET_INITIALIZER): Include it.
13376 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13377 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13378 (SECTION_MACH_DEP): Bump by two.
13379 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13380 (unnamed_section): Mention SECTION_UNNAMED in comment.
13381 (named_section): Likewise SECTION_NAMED.
13382 (noswitch_section_callback): New type.
13383 (noswitch_section): New structure.
13384 (section): Add a noswitch_section alternative.
13385 (SECTION_STYLE): New macro.
13386 (tls_comm_section, comm_section, lcomm_section): Declare.
13387 (bss_noswitch_section, have_global_bss_p): Declare.
13388 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13389 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13391 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13392 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13395 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13397 * tree-vrp.c (execute_vrp): Return value.
13398 * regrename.c (rest_of_handle_regrename): Ditto.
13399 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13400 * tree-complex.c (tree_lower_complex): Ditto.
13401 (tree_lower_complex_O0): Ditto.
13402 * tracer.c (rest_of_handle_tracer): Ditto.
13403 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13404 * postreload.c (rest_of_handle_postreload): Ditto.
13405 * tree-tailcall.c (execute_tail_recursion): Ditto.
13406 (execute_tail_calls): Ditto.
13407 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13408 * tree.h (init_function_for_compilation): Ditto.
13409 * ipa-cp.c (ipcp_driver): Ditto.
13410 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13411 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13412 * final.c (compute_alignments): Ditto.
13413 (rest_of_handle_final): Ditto.
13414 (rest_of_handle_shorten_branches): Ditto.
13415 (rest_of_clean_state): Ditto.
13416 * omp-low.c (execute_expand_omp): Ditto.
13417 (execute_lower_omp): Ditto.
13418 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13419 * ipa-reference.c (static_execute): Ditto.
13420 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13421 * reorg.c (rest_of_handle_delay_slots): Ditto.
13422 (rest_of_handle_machine_reorg): Ditto.
13423 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13424 * flow.c (recompute_reg_usage): Ditto.
13425 (rest_of_handle_remove_death_notes): Ditto.
13426 (rest_of_handle_life): Ditto.
13427 (rest_of_handle_flow2): Ditto.
13428 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13429 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13430 (do_ssa_store_ccp): Ditto.
13431 (execute_fold_all_builtins): Ditto.
13432 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13433 * modulo-sched.c (rest_of_handle_sms): Ditto.
13434 * ipa-pure-const.c (static_execute): Ditto.
13435 * cse.c (rest_of_handle_cse): Ditto.
13436 (rest_of_handle_cse2): Ditto.
13437 * web.c (rest_of_handle_web): Ditto.
13438 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13439 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13440 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13441 * tree-nrv.c (tree_nrv): Ditto.
13442 (execute_return_slot_opt): Ditto.
13443 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13444 (create_structure_vars): Ditto.
13445 * loop-init.c (rtl_loop_init): Ditto.
13446 (rtl_loop_done): Ditto.
13447 (rtl_move_loop_invariants): Ditto.
13448 (rtl_unswitch): Ditto.
13449 (rtl_unroll_and_peel_loops): Ditto.
13450 (rtl_doloop): Ditto.
13451 * gimple-low.c (lower_function_body): Ditto.
13452 (mark_used_blocks): Ditto.
13453 * tree-ssa-sink.c (execute_sink_code): Ditto.
13454 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13455 (cgraph_early_inlining): Ditto.
13456 * global.c (rest_of_handle_global_alloc): Ditto.
13457 * jump.c (cleanup_barriers): Ditto.
13458 (purge_line_number_notes): Ditto.
13459 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13460 (rest_of_handle_if_after_reload): Ditto.
13461 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13462 (tree_ssa_loop_im): Ditto.
13463 (tree_ssa_loop_unswitch): Ditto.
13464 (tree_vectorize): Ditto.
13465 (tree_linear_transform): Ditto.
13466 (tree_ssa_loop_ivcanon): Ditto.
13467 (tree_ssa_empty_loop): Ditto.
13468 (tree_ssa_loop_bounds): Ditto.
13469 (tree_complete_unroll): Ditto.
13470 (tree_ssa_loop_prefetch): Ditto.
13471 (tree_ssa_loop_ivopts): Ditto.
13472 (tree_ssa_loop_done): Ditto.
13473 * predict.c (tree_estimate_probability): Ditto.
13474 * recog.c (split_all_insns_noflow): Ditto.
13475 (rest_of_handle_peephole2): Ditto.
13476 (rest_of_handle_split_all_insns): Ditto.
13477 * tree-eh.c (lower_eh_constructs): Ditto.
13478 * regmove.c (rest_of_handle_regmove): Ditto.
13479 (rest_of_handle_stack_adjustments): Ditto.
13480 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13481 * function.c (instantiate_virtual_regs): Ditto.
13482 (init_function_for_compilation): Ditto.
13483 (rest_of_handle_check_leaf_regs): Ditto.
13484 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13485 (rest_of_handle_gcse): Ditto.
13486 * ipa-type-escape.c (type_escape_execute): Ditto.
13487 * alias.c (rest_of_handle_cfg): Ditto.
13488 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13489 * profile.c (rest_of_handle_branch_prob): Ditto.
13490 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13491 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13492 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13493 * tree-dfa.c (find_referenced_vars): Ditto.
13494 * except.c (set_nothrow_function_flags): Ditto.
13495 (convert_to_eh_region_ranges): Ditto.
13496 (rest_of_handle_eh): Ditto.
13497 * emit-rtl.c (unshare_all_rtl): Ditto.
13498 (remove_unnecessary_notes): Ditto.
13499 * except.h (set_nothrow_function_flags): Ditto.
13500 (convert_to_eh_region_ranges): Ditto.
13501 * cfgexpand.c (tree_expand_cfg): Ditto.
13502 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13503 * tree-ssa-pre.c (do_pre): Ditto.
13504 (execute_fre): Ditto.
13505 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13506 (rest_of_handle_jump2): Ditto.
13507 * tree-sra.c (tree_sra): Ditto.
13508 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13509 (execute_mudflap_function_decls): Ditto.
13510 * tree-ssa-copy.c (do_copy_prop): Ditto.
13511 (do_store_copy_prop): Ditto.
13512 * ipa-prop.h (ipcp_driver): Ditto.
13513 * cfglayout.c (insn_locators_initialize): Ditto.
13514 * tree-ssa-forwprop.c
13515 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13516 * cfglayout.h (insn_locators_initialize): Ditto.
13517 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13518 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13519 (execute_late_warn_uninitialized): Ditto.
13520 * rtl.h (cleanup_barriers): Ditto.
13521 (split_all_insns_noflow): Ditto.
13522 (purge_line_number_notes): Ditto.
13523 (unshare_all_rtl): Ditto.
13524 (remove_unnecessary_notes): Ditto.
13525 (recompute_reg_usage): Ditto.
13526 (variable_tracking_main): Ditto.
13527 * integrate.c (emit_initial_value_sets): Ditto.
13528 * integrate.h (emit_initial_value_sets): Ditto.
13529 * tree-optimize.c (execute_free_datastructures): Ditto
13530 (execute_free_cfg_annotations): Ditto.
13531 (execute_fixup_cfg): Ditto.
13532 (execute_cleanup_cfg_pre_ipa): Ditto.
13533 (execute_cleanup_cfg_post_optimizing): Ditto.
13534 (execute_init_datastructures): Ditto.
13535 * tree-object-size.c (compute_object_sizes): Ditto.
13536 * combine.c (rest_of_handle_combine): Ditto.
13537 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13538 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13539 (rest_of_handle_reorder_blocks): Ditto.
13540 (rest_of_handle_partition_blocks): Ditto.
13541 * var-tracking.c (variable_tracking_main): Ditto.
13542 * tree-profile.c (tree_profiling): Ditto.
13543 * tree-vect-generic.c (expand_vector_operations): Ditto.
13544 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13545 * sched-rgn.c (rest_of_handle_sched): Ditto.
13546 (rest_of_handle_sched2): Ditto.
13547 * basic-block.h (free_bb_insn): Ditto.
13548 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13549 * tree-cfg.c (execute_build_cfg): Ditto.
13550 (remove_useless_stmts): Ditto.
13551 (split_critical_edges): Ditto.
13552 (execute_warn_function_return): Ditto.
13553 (execute_warn_function_noreturn): Ditto.
13554 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13555 * cfgrtl.c (free_bb_for_insn): Ditto.
13556 * passes.c (execute_one_pass): Run additional
13557 todos returned by execute function.
13558 * tree-pass.h (struct tree_opt_pass): Make execute
13561 2006-03-02 Richard Guenther <rguenther@suse.de>
13563 * tree-ssa-alias.c (find_used_portions): Consider taking
13564 the address as making the variable not write-only.
13566 2006-03-02 Nick Clifton <nickc@redhat.com>
13568 * config.gcc (default_use_cxa_atexit): Extend the description of
13569 this configure variable. Set its default value to "yes" for
13570 Linux, NetBSD and ELF targets on the assumption that they will
13571 use C libraries with the __cxa_atexit function.
13573 2006-03-02 Ben Elliston <bje@au.ibm.com>
13575 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13576 parameter as unused to suppress a build warning.
13578 2006-03-02 Ben Elliston <bje@au.ibm.com>
13580 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13583 2006-03-01 Roger Sayle <roger@eyesopen.com>
13586 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13587 declared name, the weak reference name, and the typeof name.
13588 (__gthrw): Avoid expanding the declared name suffix.
13589 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13591 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13593 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13595 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13596 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13597 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13598 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13599 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13600 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13601 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13602 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13603 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13604 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13605 (DW_END_default, DW_END_big, DW_END_little): New.
13606 (DW_END_lo_user, DW_END_hi_user): Define.
13607 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13608 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13609 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13612 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13614 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13616 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13618 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13620 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13622 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13623 to 'symbol_mem_tag'.
13625 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13628 2006-03-01 Roger Sayle <roger@eyesopen.com>
13630 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13632 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13635 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13636 MACHO_DYNAMIC_NO_PIC_P.
13637 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13639 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13642 * config/darwin-protos.h (darwin_asm_output_anchor):
13644 * config/darwin-sections.def (cstring_section):
13645 Add SECTION_MERGE to the flags.
13646 (literal4_section): Likewise.
13647 (literal8_section): Likewise.
13648 (objc_selector_refs_section): Likewise.
13649 (objc_cls_refs_section): Likewise.
13650 * config/darwin.c (darwin_asm_output_anchor): New
13652 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13654 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13656 Fix PR tree-optimization/26443
13657 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13658 to todo and PROP_tmt_usage to properties_destroyed.
13659 * tree-ssa-ccp.c (pass_ccp): Ditto.
13660 (pass_store_ccp): Ditto.
13661 * tree-ssa-dom.c (pass_dominator): Ditto.
13663 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13665 * tree-ssa-operands.c: Cleanup whitespace.
13666 (get_asm_expr_operands): Move before first invocation.
13667 (get_indirect_ref_operands): Likewise.
13668 (get_tmr_operands): Likewise.
13669 (get_call_expr_operands): Likewise.
13670 (append_def): Likewise.
13671 (append_use): Likewise.
13672 (append_v_may_def): Likewise.
13673 (append_v_must_def): Likewise.
13674 (add_call_clobber_ops): Likewise.
13675 (add_call_read_ops): Likewise.
13676 (add_stmt_operand): Likewise.
13677 (add_virtual_operand): Likewise.
13678 (build_ssa_operands): Likewise.
13680 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13682 PR middle-end/26022
13684 PR middle-end/24437
13685 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13686 with a call expr to ...
13687 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13689 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13691 * tree-vrp.c (extract_range_from_assert): Remove special
13692 handling for types with super-types.
13694 2006-03-01 Ben Elliston <bje@au.ibm.com>
13696 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13697 and powerpc64-*-linux* configurations.
13698 * config/t-dfprules: New file.
13700 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13701 Compile dfp-bit.c from the source directory using -DWIDTH and
13702 $DFP_CFLAGS to control the compilation of that file, rather than
13703 generating width-specific versions in the build directory.
13704 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13705 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13707 2006-02-28 Zack Weinberg <zackw@panix.com>
13709 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13712 2006-02-28 Eric Christopher <echristo@apple.com>
13714 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13715 Set up IN_LIBGCC definition of TARGET_64BIT.
13716 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13718 2006-02-28 Roger Sayle <roger@eyesopen.com>
13720 PR middle-end/14752
13721 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13722 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13723 cases via the construction of "expr != 0".
13725 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13727 * alias.c (alias_invariant, alias_invariant_size): Remove.
13728 (record_base_value): Remove.
13729 (memrefs_conflict_p): Don't look at alias_invariant.
13730 (end_alias_analysis): Don't free it.
13731 * alias.h (record_base_value): Remove prototype.
13733 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13734 Adam Nemet <anemet@caviumnetworks.com>
13736 * rtl.h (truncated_to_mode): Declare it.
13737 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13738 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13739 (RTL_HOOKS_INITIALIZER): Include it.
13740 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13741 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13742 reg_truncated_to_mode.
13743 * rtlanal.c (truncated_to_mode): Define it.
13744 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13746 2006-02-28 Jeff Law <law@redhat.com>
13748 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13749 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13750 the range allowed by TYPE_PRECISION.
13752 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13754 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13756 PR tree-optimization/26419
13757 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13760 2006-02-27 Zack Weinberg <zackw@panix.com>
13762 * doc/md.texi: Fix typo in previous change.
13764 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13768 2006-02-27 Zack Weinberg <zackw@panix.com>
13770 * rtl.def (define_constraint, define_register_constraint)
13771 (define_memory_constraint, define_address_constraint): New MD forms.
13772 * gensupport.c (process_rtx): Put define_constraint etc on the
13774 * genpreds.c (process_define_predicate): Adjust comment. Validate
13775 the name, and call validate_exp to validate the expression.
13776 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13777 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13778 all callers changed.
13779 (validate_exp, needs_variable, struct constraint_data)
13780 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13781 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13782 (const_dbl_constraints, constraint_max_namelen)
13783 (have_register_constraints, have_memory_constraints)
13784 (have_address_constraints, have_address_constraints)
13785 (have_extra_constraints, have_const_int_constraints)
13786 (have_const_dbl_constraints, mangle, add_constraint)
13787 (process_define_constraint, process_define_register_constraint)
13788 (write_enum_constraint_num, write_lookup_constraint)
13789 (write_insn_constraint_len, write_regclass_for_constraint)
13790 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13791 (write_insn_extra_memory_constraint)
13792 (write_insn_extra_address_constraint)
13793 (write_satisfies_constraint_fns): New.
13794 (write_tm_preds_h): If we have new-style constraint definitions,
13795 prototype the functions generated from them, and define the
13796 old constraint interface (still used by generic code) in terms of
13798 (write_insn_preds_c): If we have new-style constraint definitions,
13799 generate all relevant functions from those definitions.
13800 (main): Handle define_constraint etc.
13801 * genoutput.c (struct constraint_data, indep_constraints)
13802 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13803 (mdep_constraint_len): New data structures and functions, defined
13804 #ifdef USE_MD_CONSTRAINTS.
13805 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13806 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13807 use new logic to validate operand constraints against constraint
13809 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13811 * defaults.h: If none of the old-style constraint macros are
13812 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13813 old-style macros; and poison REG_CLASS_FROM_LETTER,
13814 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13816 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13817 * doc/md.texi: Document new constraint-definition mechanism and the
13818 C interface it provides. Remove references to old mechanism
13819 elsewhere in the document.
13820 (Machine Constraints): Use pathnames relative to gcc directory,
13821 i.e. config/ARCH/FILE. Change i386 section to refer to
13822 config/i386/predicates.md; update that section to match docstrings.
13823 * doc/tm.texi: Move all documentation of the old constraint-
13824 definition macros to their own section, clearly mark as obsolete.
13826 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13827 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13829 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13830 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13831 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13832 constraint strings.
13833 (splits and peepholes): Use satisfies_constraint_*.
13834 * config/i386/i386.c (memory_address_length)
13835 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13837 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13839 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13840 scalar operation to be put back into the loop.
13842 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13845 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13846 (extract_cie_info): Handle S flag in augmentation string.
13847 (execute_cfa_program): If context->signal_frame, execute also
13848 fs->pc == context->ra instructions.
13849 (uw_frame_state_for): If context->signal_frame, don't subtract one
13850 from context->ra to find FDE.
13851 (uw_update_context_1): Set context->signal_frame to
13853 (_Unwind_GetIPInfo): New function.
13854 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13855 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13857 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13858 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13859 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13860 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13861 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13862 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13863 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13864 x86_64_fallback_frame_state): Set fs->signal_frame.
13865 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13866 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13867 (frob_update_context): Likewise. Workaround missing S flag in
13868 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13869 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13870 Remove the psw_addr + 1 hack.
13872 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13874 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13875 with aggregates here.
13876 (find_func_aliases): Remove code for &<aggregate> from here.
13878 2006-02-26 Roger Sayle <roger@eyesopen.com>
13880 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13881 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13882 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13883 as (X & C) ne/eq 0.
13885 2006-02-26 Roger Sayle <roger@eyesopen.com>
13887 PR middle-end/19983
13888 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13890 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13892 * opts.c (decode_options): Do not handle flag_strength_reduce.
13893 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13894 and OPT_fstrength_reduce.
13895 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13896 flag_prefetch_loop_arrays for being nonzero.
13897 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13899 (fprefetch-loop-arrays-rtl): Removed.
13900 (flag_prefetch_loop_arrays): Do not specify the value.
13902 * doc/passes.texi: Update documentation of loop optimizer
13904 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13905 -frerun-loop-opt): Remove.
13907 2006-02-26 Richard Guenther <rguenther@suse.de>
13909 PR tree-optimization/26421
13910 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13911 in function calls that are ADDR_EXPRs as using the whole structure.
13913 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13915 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13916 * tree-pass.h (pass_loop_optimize): Remove.
13917 * passes.c (pass_loop_optimize): Never run it.
13918 * toplev.c (backend_init): Don't call init_loop.
13919 * opts.c (flag_loop_optimize_set): Remove.
13920 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13921 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13922 the old RTL loop optimizer when profiling enabled.
13923 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13924 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13925 pre-headers for the sake of the old RTL loop optimizer.
13926 * Makefile.in: Remove all references to loop.o.
13928 * doc/invoke.texi: Remove all references to -floop-optimize
13929 and -frerun-loop-opt.
13931 2006-02-26 Zack Weinberg <zackw@panix.com>
13933 * doc/md.texi (Machine Constraints): Refer to all files with paths
13934 relative to gcc directory (i.e. config/CPU/file). Add missing
13935 @table @code ... @end table to M32C subsection.
13937 2006-02-26 Roger Sayle <roger@eyesopen.com>
13939 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13941 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13943 2006-02-26 Roger Sayle <roger@eyesopen.com>
13944 James A. Morrison <phython@gcc.gnu.org>
13946 PR middle-end/21137
13947 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13948 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13949 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13950 signedness of the shift operation.
13952 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13954 PR tree-optimization/26359
13955 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13957 2006-02-25 Roger Sayle <roger@eyesopen.com>
13959 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13960 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13961 as X == 0, and some symmetry related transformations.
13962 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13964 2006-02-25 Roger Sayle <roger@eyesopen.com>
13966 PR middle-end/23673
13967 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13968 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13969 symmetry related transformations. Fold (X^C1) == C2 as
13972 2006-02-25 Juergen Weigert <jw@suse.de>
13973 Richard Guenther <rguenther@suse.de>
13975 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13977 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13979 * combine.c (gen_lowpart_or_truncate): Call
13980 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13982 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13984 * doc/invoke.texi: Move -fopenmp description to "Options for
13986 Remove reference to -lgomp.
13988 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13990 * doc/install.texi: Require GNU tar version 1.14.
13992 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13994 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13995 * doc/invoke.texi (C++ Dialect Options): Document
13996 -fno-use-cxa-get-exception-ptr.
13997 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13998 * configure: Regenerate.
13999 * c.opt (fuse-cxa-get-exception-ptr): New.
14000 * c-opts.c (c_common_handle_option): Handle
14001 OPT_fuse_cxa_get_exception_ptr.
14002 * c-common.c (flag_use_cxa_atexit): Update documentation.
14003 (flag_use_cxa_get_exception_ptr): New.
14004 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14005 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14007 (C_COMMON_OVERRIDE_OPTIONS): New.
14009 2006-02-24 Roger Sayle <roger@eyesopen.com>
14011 PR middle-end/24952
14012 * combine.c (try_combine): Explicitly check whether GET_CODE is
14013 a SET or a CLOBBER, instead on checking that it isn't a USE.
14015 2006-02-24 Roger Sayle <roger@eyesopen.com>
14017 * fold-const.c (fold_comparison): New subroutine of fold_binary
14018 containing transformations common to both the equality and
14019 ordering relational operators, factored out of fold_binary.
14020 (fold_binary): Separate out the equality operators (EQ_EXPR
14021 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14022 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14023 transformations common to both.
14024 (fold_div_compare): Fix latent bugs in the previously unreachable
14025 LT_EXPR and GE_EXPR cases.
14027 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14029 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14030 decl libname for clog to __clog on AIX.
14032 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14034 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14037 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14038 output traceback table for thunks. Localise rs6000_stack_info call.
14040 2006-02-23 Roger Sayle <roger@eyesopen.com>
14041 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14043 * gthr-posix.h (__gthrw): Fix typo in comment.
14045 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14047 * doc/cpp.texi (Character sets): Document that we do support
14048 input files to be in any character set.
14050 2006-02-23 Jeff Law <law@redhat.com>
14052 * tree.h (PHI_ARG_NONZERO): Remove.
14053 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14054 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14055 node to the new node.
14057 PR tree-optimization/26425
14058 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14059 min/max, then assume its varying.
14061 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14063 PR rtl-optimization/26316
14064 * rtlanal.c (enum may_trap_p_flags): New.
14065 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14066 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14067 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14068 (may_trap_after_code_motion_p): New function.
14069 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14070 (find_invariant_insn): Use may_trap_after_code_motion_p.
14071 * rtl.h (may_trap_after_code_motion_p): Declare.
14073 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14075 * emit-rtl.c (immed_double_const): Cleanup.
14077 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14079 Fix PR tree-optimization/26376
14080 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14083 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14085 PR middle-end/26412
14086 * gimplify.c (omp_add_variable): Guard variable size decl test with
14087 DECL_SIZE (decl) check.
14089 2006-02-23 Richard Guenther <rguenther@suse.de>
14091 PR middle-end/26439
14092 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14093 like aggregate types.
14095 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14097 * configure.ac: Add --with{,out}-long-double-128 configure option.
14098 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14099 * configure: Rebuilt.
14100 * config.in: Rebuilt.
14101 * doc/install.texi (Options specification): Document
14102 --with-long-double-128.
14104 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14105 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14106 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14107 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14109 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14111 * config/s390/s390.c (override_options): Handle
14112 TARGET_DEFAULT_LONG_DOUBLE_128.
14114 * config/alpha/alpha.c (override_options): Handle
14115 TARGET_DEFAULT_LONG_DOUBLE_128.
14117 * config/sparc/sparc.c (sparc_override_options): Handle
14118 TARGET_DEFAULT_LONG_DOUBLE_128.
14120 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14122 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14123 (real-install-headers-tar, real-install-headers-cpio)
14124 (real-install-headers-cp): New targets.
14126 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14128 * tree.h (variable_section): Delete.
14129 * varasm.c (variable_section): Delete.
14131 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14133 * install.texi: Add notes on install.texi2html.
14134 (Building in parallel): Do not use footnotes.
14136 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14139 * doc/install.texi (Configuration): Document --disable-libgomp.
14141 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14143 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14145 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14147 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14148 (vec_extractv2df_0_sse): New.
14150 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14152 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14153 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14154 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14155 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14156 to the result of the expression.
14157 (def_cfa_1): Adjust.
14158 (frame_pointer_cfa_offset): Rename to...
14159 (frame_pointer_fb_offset): ... this. Adjust all uses.
14160 (convert_cfa_to_loc_list): Rename to...
14161 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14162 Pass it on to build_cfa_loc.
14163 (compute_frame_pointer_to_cfa_displacement): Rename to...
14164 (compute_frame_pointer_to_fb_displacement): ... this. New
14165 offset parameter. Use it in computation.
14166 (gen_subprogram_die): Compute cfa_fb_offset with the new
14167 macro, and use it to compute the fb loc list and the
14170 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14172 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14173 replaced with register_operand.
14174 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14175 non-DREG is expensive.
14176 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14177 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14180 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14182 * doc/install.texi2html: Use set -e.
14184 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14186 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14187 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14188 * doc/invoke.texi (-fshared-data): Delete.
14189 * common.opt (fshared-data): Delete.
14190 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14191 (assemble_static_space): Remove #if 0 code.
14192 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14193 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14194 * config/cris/cris.h: Remove FIXME.
14196 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14198 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14201 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14203 PR middle-end/26379
14204 * combine.c (simplify_shift_const_1): Disable nested shifts
14205 optimization for vector shifts.
14207 2006-02-20 Roger Sayle <roger@eyesopen.com>
14209 PR tree-optimization/26361
14210 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14211 of unsigned integer types.
14213 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14215 * tree-chrec.c (eq_evolutions_p): New.
14216 * tree-chrec.h (eq_evolutions_p): Declared.
14217 * tree-data-ref.c: Fix formatting.
14218 (datadep_stats, dependence_stats): New.
14220 (print_direction_vector): New.
14221 (dump_data_dependence_relation): Use print_direction_vector.
14222 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14223 (compute_subscript_distance): Static.
14224 (initialize_data_dependence_relation): Static. Get the number
14225 of loops surrounding the references from the callers, and initialize
14226 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14227 base_object_differ_p analyzers.
14228 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14229 compute_overlap_steps_for_affine_1_2,
14230 analyze_subscript_affine_affine): Count the classified dependences.
14231 Print a message when a test failed.
14232 (can_use_analyze_subscript_affine_affine): New.
14233 (analyze_siv_subscript): Compute the data dependences on symbolic
14234 scevs that verify can_use_analyze_subscript_affine_affine.
14235 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14236 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14237 Handle symbolic scevs.
14238 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14240 (subscript_dependence_tester): Moved...
14241 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14242 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14243 DDR_SIZE_VECT instead of getting it in parameter.
14244 (subscript_dependence_tester): ... here. Take as a parameter
14245 loop_nest_depth. Call build_classic_dist_vector and
14246 build_classic_dir_vector.
14247 (compute_affine_dependence): Update subscript_dependence_tester
14248 parameters. Update datadep_stats counters. Call
14249 compute_subscript_distance.
14250 (compute_self_dependence): Save the dist and dir vectors. Call
14251 compute_subscript_distance.
14252 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14253 (compute_all_dependences): Reorder parameters as they were before
14254 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14255 compute_subscript_distance. Update the use of
14256 compute_affine_dependence and initialize_data_dependence_relation.
14257 (find_data_references_in_loop): Handle COMPONENT_REF.
14258 (compute_data_dependences_for_loop): Initialize dependence_stats.
14259 Don't call build_classic_dist_vector and build_classic_dir_vector.
14260 Update the parameters of initialize_data_dependence_relation and
14261 compute_all_dependences. Print the statistics from datadep_stats.
14262 (analyze_all_data_dependences): Static. Not used until the pass for
14263 checking the data dependences is contributed.
14264 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14265 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14266 (initialize_data_dependence_relation, compute_affine_dependence,
14267 analyze_all_data_dependences, compute_subscript_distance): Removed.
14268 (print_direction_vector): New.
14269 * lambda.h (gcd): ... here.
14270 (lambda_vector_gcd): Moved here from gcd_vector.
14271 * lambda-code.c (gcd, gcd_vector): Removed.
14272 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14273 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14275 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14277 * ipa-type-escape.c: Tidy some comments and white space.
14278 * tree-ssa-operands.c: Likewise.
14280 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14283 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14284 (dump_decl_name): Do not walk the decl tree chains.
14285 * tree-pass.h (TDF_CHAIN): Remove.
14287 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14289 * Makefile.in (C): Remove
14291 (.PHONY): Remove C and PROTO
14293 2006-02-20 Roger Sayle <roger@eyesopen.com>
14295 PR middle-end/26236
14296 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14297 deprecated CHAR_TYPE tree code.
14299 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14301 * configure.ac (target_list): Add install-info, dvi, html.
14302 * configure: Regenerate.
14304 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14305 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14306 treelang/Make-lang.in: Do not use double-colon rules.
14308 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14310 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14311 (TMT_USED_ALONE): New macro.
14312 * tree-pass.h (PROP_tmt_usage): New property.
14313 (TODO_update_tmt_usage): New todo.
14314 * tree-ssa-alias.c (updating_used_alone): New variable.
14315 (recalculate_used_alone): New function.
14316 (compute_may_aliases): Set updating_used_alone, call
14317 recalculate_used_alone.
14318 * tree-sra.c (pass_sra): Note that this pass destroys
14319 PROP_tmt_usage, and add TODO_update_tmt_usage.
14320 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14321 * tree-flow.h (updating_used_alone): Prototype.
14322 (recalculate_used_alone): Ditto.
14323 * passes.c (execute_todo): Add code to set updating_used_alone,
14324 and call recalculate.
14325 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14326 for clobber if used alone, and add assert to verify used_alone
14329 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14331 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14332 for non tls symbols added.
14333 (legitimize_address): Do nothing for PLUS expressions if one of the
14334 addends is a tls symbol reference.
14336 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14340 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14342 * Makefile.in (BOOTSTRAPPING): New.
14343 (quickstrap): New definition if BOOTSTRAPPING=yes.
14345 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14346 * configure.ac: Substitute all_selected_languages with the languages
14347 that were configured. For all the other variables except
14348 lang_specs_files, include all the languages in the tree.
14349 * configure: Regenerate.
14351 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14352 if there is one. Run the commands to run fixincludes in the same
14355 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14356 * doc/install.texi: Document exact conventions for searching target tools.
14357 Document --with-build-time-tools. Document toplevel bootstrap. Document
14358 something more about building an Ada cross-compiler. Don't list GNU Make
14359 requirements which affect all platforms.
14361 2006-02-19 Roger Sayle <roger@eyesopen.com>
14363 PR middle-end/19543
14364 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14365 only equivalent if the have both the same mode and precision.
14367 2006-02-20 Ben Elliston <bje@au.ibm.com>
14369 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14371 2006-02-19 Roger Sayle <roger@eyesopen.com>
14372 Steven Bosscher <stevenb.gcc@gmail.com>
14374 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14375 constant pool references to identify stack mode constants.
14376 * rtlanal.c (constant_pool_constant_p): New predicate to check
14377 whether operand is a floating point constant in the pool.
14378 * rtl.h (constant_pool_constant_p): Prototype here.
14379 * loop.c (scan_loop): Avoid hoisting constants from the constant
14380 pool on STACK_REGS targets.
14381 (load_mems): Likewise.
14382 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14383 loads into x87 registers expensive in terms of register pressure.
14385 2006-02-19 Roger Sayle <roger@eyesopen.com>
14387 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14388 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14390 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14392 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14393 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14395 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14397 * doc/invoke.texi: Document -fipa-pta.
14398 * common.opt: Add ipa-pta option.
14399 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14400 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14401 (do_ds_constraint): Ditto.
14402 (get_constraint_for): Only add to referenced_vars if
14403 referenced_vars exists.
14404 (insert_into_field_list): Rewrite to do this unsorted.
14405 (insert_into_field_list_sorted): Rename old insert_into_field_list
14407 (create_function_info_for): Use insert_into_field_list_sorted.
14408 (create_variable_info_for): Rewrite so it uses unsorted version,
14409 since the field list is sorted.
14410 (intra_create_variable_infos): Only add to referenced_vars if
14411 referenced_vars exists.
14412 (ipa_pta_execute): Init heapvars, and delete when done.
14413 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14415 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14417 * doc/install.texi: Add missing `@samp'.
14419 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14421 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14424 2006-02-18 Mark Wielaard <mark@klomp.org>
14426 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14427 who added new 4.1 features, bug fixes and integration support.
14429 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14432 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14433 MEM for ABI_V4 pic.
14435 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14437 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14438 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14439 (copy_insn_1): Likewise. Don't copy each field individually.
14441 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14443 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14444 * rtl.c (rtx_size): Rename variable to...
14445 (rtx_code_size): ...this.
14446 (rtx_size): New function.
14447 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14448 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14450 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14451 * rtl.h (rtx_code_size): New variable.
14452 (rtx_size): Change from a variable to a function.
14453 (RTX_SIZE): Rename to...
14454 (RTX_CODE_SIZE): ...this.
14457 PR tree-optimization/17106
14458 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14459 (Anchored Addresses): New section.
14460 * doc/invoke.texi (-fsection-anchors): Document.
14461 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14462 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14463 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14464 * hooks.c (hook_bool_mode_rtx_false): New function.
14465 * hooks.h (hook_bool_mode_rtx_false): Declare.
14466 * gengtype.c (create_optional_field): New function.
14467 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14468 SYMBOL_REF_IN_BLOCK_P is true.
14469 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14470 (min_anchor_offset, max_anchor_offset): Likewise.
14471 (use_anchors_for_symbol_p): New hook.
14472 * toplev.c (compile_file): Call output_object_blocks.
14473 (target_supports_section_anchors_p): New function.
14474 (process_options): Check that -fsection-anchors is only used on
14475 targets that support it and when -funit-at-a-time is in effect.
14476 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14477 if the decl doesn't have one.
14478 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14479 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14480 of force_const_mem through use_anchored_address.
14481 (expand_expr_constant): New function.
14482 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14483 calling expand_expr for INDIRECT_REF.
14484 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14485 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14486 * expr.h (use_anchored_address): Declare.
14487 * loop-unroll.c: Don't declare rtx vectors here.
14488 * explow.c: Include output.h.
14489 (validize_mem): Call use_anchored_address.
14490 (use_anchored_address): New function.
14491 * common.opt (-fsection-anchors): New switch.
14492 * varasm.c (object_block_htab, anchor_labelno): New variables.
14493 (hash_section, object_block_entry_eq, object_block_entry_hash)
14494 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14495 (use_blocks_for_decl_p, change_symbol_section): New functions.
14496 (get_variable_section): New function, split out from assemble_variable.
14497 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14498 use_blocks_for_decl_p say so. Use change_symbol_section if the
14499 symbol has already been created.
14500 (assemble_variable_contents): New function, split out from...
14501 (assemble_variable): ...here. Don't output any code for
14502 block symbols; just pass them to place_block_symbol.
14503 Use get_variable_section and assemble_variable_contents.
14504 (get_constant_alignment, get_constant_section, get_constant_size): New
14505 functions, split from output_constant_def_contents.
14506 (build_constant_desc): Create a block symbol if use_object_blocks_p
14507 says so. Or into SYMBOL_REF_FLAGS.
14508 (assemble_constant_contents): New function, split from...
14509 (output_constant_def_contents): ...here. Don't output any code
14510 for block symbols; just pass them to place_section_symbol.
14511 Use get_constant_section and get_constant_alignment.
14512 (force_const_mem): Create a block symbol if use_object_blocks_p and
14513 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14514 (output_constant_pool_1): Add an explicit alignment argument.
14515 Don't switch sections here.
14516 (output_constant_pool): Adjust call to output_constant_pool_1.
14517 Switch sections here instead. Don't output anything for block symbols;
14518 just pass them to place_block_symbol.
14519 (init_varasm_once): Initialize object_block_htab.
14520 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14521 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14522 (place_block_symbol, get_section_anchor, output_object_block)
14523 (output_object_block_htab, output_object_blocks): New functions.
14524 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14525 (TARGET_ASM_OUT): Include it.
14526 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14527 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14528 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14529 (TARGET_INITIALIZER): Include them.
14530 * rtl.c (rtl_check_failed_block_symbol): New function.
14531 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14532 (block_symbol, object_block): New structures.
14533 (rtx_def): Add a block_symbol field to the union.
14534 (BLOCK_SYMBOL_CHECK): New macro.
14535 (rtl_check_failed_block_symbol): Declare.
14536 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14537 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14538 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14539 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14540 * output.h (output_section_symbols): Declare.
14541 (object_block): Name structure.
14542 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14543 (default_use_anchors_for_symbol_p): Declare.
14544 * Makefile.in (RTL_BASE_H): Add vec.h.
14545 (explow.o): Depend on output.h.
14546 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14547 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14548 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14549 (rs6000_use_blocks_for_constant_p): New function.
14551 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14553 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14555 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14558 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14561 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14563 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14567 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14569 PR middle-end/26334
14570 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14571 instead of DECL_REGISTER.
14573 2006-02-18 Olivier Hainque <hainque@adacore.com>
14576 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14578 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14581 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14582 * opth-gen.awk: Handle Var and InverseMask together.
14583 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14584 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14585 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14586 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14588 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14589 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14590 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14591 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14592 LINUX_DYNAMIC_LINKER): Define.
14593 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14594 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14596 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14597 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14598 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14600 (TARGET_C99_FUNCTIONS): Don't define.
14601 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14602 GLIBC_DYNAMIC_LINKER.
14603 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14604 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14605 GLIBC_DYNAMIC_LINKER64): Define.
14606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14607 LINUX_DYNAMIC_LINKER64.
14608 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14610 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14612 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14614 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14615 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14616 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14618 and LINUX_DYNAMIC_LINKER32.
14619 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14621 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14623 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14625 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14626 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14627 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14628 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14629 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14630 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14631 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14632 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14633 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14634 LINUX_DYNAMIC_LINKER): Define.
14635 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14636 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14637 GLIBC_DYNAMIC_LINKER64): Define.
14638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14639 LINUX_DYNAMIC_LINKER64.
14640 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14641 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14642 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14643 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14644 LINUX_DYNAMIC_LINKER): Define.
14645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14646 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14647 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14648 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14649 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14650 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14651 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14652 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14653 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14654 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14655 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14656 * doc/invoke.texi (-muclibc): Remove caveat about supported
14659 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14661 * doc/cpp.texi (__TIMESTAMP__): Document.
14663 2006-02-17 Roger Sayle <roger@eyesopen.com>
14665 PR middle-end/25600
14666 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14667 C is one less than the width of X (and related transformations).
14668 * simplify-rtx.c (simplify_unary_operation_1): Transform
14669 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14670 depending on STORE_FLAG_VALUE, were C is one less then the
14673 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14675 Fix PR tree-optimization/26341
14676 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14677 about NAME_MEMORY_TAG's.
14679 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14682 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14683 with hardware float support, and software float support. Add fcpy
14684 alternative to hardware patterns. Add alternatives to copy between
14685 general and floating-point registers to the 32-bit pattern.
14686 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14687 secondary reload to load a QI or HI mode constant into a floating
14689 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14690 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14692 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14695 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14697 (load_macho_picbase_di): Likewise.
14699 2006-02-16 Jeff Law <law@redhat.com>
14701 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14702 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14703 (ssa_name_nonzero_p): Likewise.
14704 (get_value_range): Return NULL if VRP is not running.
14705 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14706 VRP routines do not discover a range.
14707 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14708 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14709 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14710 (tree_expr_nonnegative_p): Similarly.
14711 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14712 (restore_nonzero_vars_to_original_value): Remove.
14713 (unsafe_associative_fp_binop): Remove.
14714 (tree_ssa_dominator_optimize): Remove initialization and
14715 finalization of nonzero_vars and nonzero_vars_stack.
14716 (dom_opt_initialize_block): No longer push marker on
14717 nonzero_vars_stack.
14718 (dom_opt_finalize_block): No longer call
14719 restore_nonzero_vars_to_original_value.
14720 (record_equivalences_from_phis): No longer look for
14721 nonzero PHI arguments.
14722 (cprop_into_successor_phis): No longer propagate nonzero
14723 property into PHI arguments. Lose unused argument. Caller
14725 (record_equivalences_from_stmt): No longer record nonzero
14726 values for SSA_NAMEs.
14727 (lookup_avail_expr): No longer use nonzero_vars.
14729 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14730 for sizetype when sizetype is unsigned.
14732 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14734 PR rtl-optimization/25603
14735 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14736 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14737 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14738 with new meaning of SETS.
14740 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14745 * config/linux.opt: New file.
14746 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14747 LINUX_DYNAMIC_LINKER): Define.
14748 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14749 * config.gcc (*-*-linux*): Define extra_options.
14750 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14751 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14752 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14753 GLIBC_DYNAMIC_LINKER.
14754 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14755 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14756 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14758 * doc/invoke.texi (GNU/Linux Options): New section.
14760 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14762 * config/sparc/sparc.md (setjmp): Rewrite.
14763 (setjmp_32): Delete.
14764 (setjmp_64): Likewise.
14766 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14768 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14771 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14773 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14776 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14778 PR rtl-optimization/26296
14779 * Makefile.in (loop-invariant.c): Add except.h dependency.
14780 * loop-invariant.c: Include except.h.
14781 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14783 2005-02-16 Paul Brook <paul@codesourcery.com>
14785 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14788 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14790 PR rtl-optimization/25636
14791 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14792 when deciding whether an insn is an initializing insn.
14794 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14796 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14797 (tree_code_size): Ditto.
14798 * tree.h (struct tree_memory_tag): Remove parent_var.
14799 (struct tree_struct_field_tag): New.
14802 (union tree_node): Add sft member.
14803 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14805 (create_sft): Add size and offset argument, set SFT_OFFSET and
14807 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14808 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14809 * tree-flow-inline.h (get_subvar_at): Update for
14810 SFT_OFFSET/SFT_SIZE.
14811 (var_can_have_subvars): Ditto.
14812 (overlap_subvar): Ditto.
14813 * print-tree.c (print_node): Print out interesting things for
14815 * tree-flow.h (struct subvar): Remove offset and size members.
14816 * tree-ssa-operands.c (get_expr_operands): Update for
14817 get_indirect_ref_operands changes.
14818 (get_indirect_ref_operands): Call add_virtual_operand instead of
14819 add_stmt_operand. Only recurse on base var if requested.
14820 (access_can_touch_variable): New function.
14821 (add_stmt_operand): Split virtual operand handling into ...
14822 (add_virtual_operand): Here. Add offset, size, and for_clobber
14823 arguments. Prune alias sets.
14824 (add_call_clobber_ops): Call add_virtual_operand.
14826 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14828 PR middle-end/26300
14829 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14831 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14832 than TREE_CODE as index into omp_clause_num_ops array.
14834 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14836 PR rtl-optimization/26184
14837 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14839 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14840 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14841 must_precede, must_follow and tobe_scheduled.
14844 * opts.c (common_handle_option): Free new_option pointer.
14845 * df-core.c (df_analyze): Free postorder pointer.
14847 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14849 * Makefile.in: Fix the examples about the use of stamps
14851 2006-02-15 Michael Matz <matz@suse.de>
14853 PR middle-end/22275
14855 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14856 influenced by maximum_field_alignment or DECL_PACKED.
14857 (update_alignment_for_field): Ditto.
14858 (place_field): Ditto.
14859 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14862 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14864 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14865 (debug_flow_info): Pass it.
14866 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14867 * bb-reorder.c (reorder_basic_blocks): Likewise.
14868 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14869 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14870 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14871 * gcse.c (gcse_main, bypass_jumps): Likewise.
14872 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14873 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14874 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14875 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14876 * rtl.h (dump_flow_info): Adjust prototype.
14877 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14878 * var-tracking.c (variable_tracking_main): Likewise.
14879 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14880 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14883 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14885 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14888 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14890 PR tree-optimization/26209
14891 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14892 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14894 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14896 2006-02-14 Roger Sayle <roger@eyesopen.com>
14898 PR middle-end/23670
14899 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14900 (X,Y) and the corresponding symmetry related transformations.
14901 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14902 (X,Y) and its symmetry related transformations.
14904 2006-02-14 Roger Sayle <roger@eyesopen.com>
14906 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14909 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14911 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14913 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14916 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14917 support COMDAT group.
14918 * configure: Regenerate.
14920 2006-02-14 Roger Sayle <roger@eyesopen.com>
14922 PR middle-end/26279
14923 PR middle-end/26280
14924 PR middle-end/26283
14925 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14927 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14929 Fix PR tree-optimization/26260
14931 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14933 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14934 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14935 * tree-ssa-structalias.c (create_variable_info_for): Use
14936 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14938 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14940 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14942 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14943 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14944 of the ending condition.
14945 * tree-ssa-loop-manip.c: Include params.h.
14946 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14947 tree_unroll_loop): New functions.
14948 * tree-pass.h (pass_loop_prefetch): Declare.
14949 * loop.c (rest_of_handle_loop_optimize): Test for
14950 -fprefetch-loop-arrays-rtl.
14951 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14952 * timevar.def (TV_TREE_PREFETCH): New timevar.
14953 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14954 pass_loop_prefetch): New.
14955 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14956 (cleanup_tree_cfg_loop): Call scev_reset.
14957 * common.opt (fprefetch-loop-arrays-rtl): Add.
14958 * tree-ssa-loop-prefetch.c: New file.
14959 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14960 (new_temp_expr_table): Initialize expr_vars.
14961 (free_temp_expr_table): Cleanup expr_vars.
14962 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14963 expressions from being merged into one.
14964 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14965 (struct tree_niter_desc): Add control, bound and cmp fields.
14966 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14968 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14969 (tree-cfgcleanup.o): Add SCEV_H dependency.
14970 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14971 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14973 2006-02-14 Richard Guenther <rguenther@suse.de>
14975 PR tree-optimization/26258
14976 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14977 in PHI argument processing.
14979 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14981 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14982 new expression in the requested machine mode.
14984 2006-02-13 Roger Sayle <roger@eyesopen.com>
14986 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14987 directly, instead let do_compare_rtx_and_jump handle this for us.
14988 * expr.c (expand_expr_real_1): Likewise.
14989 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14990 before do_jump_by_parts_greater.
14991 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14992 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14994 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14996 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14998 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15000 PR rtl-optimization/26235
15001 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15002 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15005 2006-02-13 Jeff Law <law@redhat.com>
15007 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15010 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15012 PR middle-end/26092
15013 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15014 twice if decl is a builtin. When trying again, call get_callee_fndecl
15015 first to verify it is still a builtin.
15017 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15019 * dwarf2out.c (base_type_die): Don't add AT_name here.
15020 (subrange_type_die): Don't add AT_name here.
15021 (modified_type_die): Rearrange code flow. Do add AT_name here.
15023 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15025 PR rtl-optimization/26247
15026 PR rtl-optimization/26248
15027 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15029 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15031 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15032 * config/fixtfdi.c: Likewise.
15033 * config/fixunstfdi.c: Likewise.
15034 * config/floatditf.c: Likewise.
15036 2006-02-13 Roger Sayle <roger@eyesopen.com>
15038 PR middle-end/24427
15039 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15040 into (X,C2) if C1 is a subset of the bits of C2. Transform
15041 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15043 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15045 2006-02-13 Josh Conner <jconner@apple.com>
15048 * varasm.c (function_section): Check for section name before
15049 calling select_section on targets that define
15050 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15051 unlikely_text_section instead of hot_function_section if
15052 first_function_block_is_cold.
15054 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15056 PR middle-end/25335
15057 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15059 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15061 PR rtl-optimization/26222
15062 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15063 after tree->rtl expansion.
15064 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15065 before passing it to emit_move_insn.
15067 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15069 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15071 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15072 Clarify documentation.
15073 * c-common.h (warn_write_strings): Remove.
15074 * c-common.c (warn_write_strings): Likewise.
15075 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15078 2006-02-12 Roger Sayle <roger@eyesopen.com>
15080 PR middle-end/25724
15081 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15082 (do_jump_parts_zero_rtx): New function renamed from
15083 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15084 (do_jump_parts_equality_rtx): New function split out from
15085 do_jump_parts_equality. Old implementation renamed as above.
15086 Call do_jump_parts_zero_rtx if either operand is zero.
15087 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15088 do all of the heavy lifting.
15089 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15090 calling either do_jump_by_parts_greater_rtx or
15091 do_jump_by_parts_equality_rtx.
15092 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15093 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15094 moved to do_compare_rtx_and_jump, call it directly.
15095 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15096 mode argument. Call do_compare_rtx_and_jump.
15097 (emit_case_nodes): Update calls to do_jump_if_equal.
15099 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15101 PR rtl-optimization/26225
15102 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15104 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15106 PR rtl-optimization/26232
15107 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15109 2006-02-11 Jason Merrill <jason@redhat.com>
15112 * tree-inline.c (declare_return_variable): Just don't use the
15113 modify target if it's a gimple complex reg and the return slot
15116 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15118 * doc/contrib.texi: Update my entry.
15120 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15122 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15124 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15126 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15129 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15131 * doc/invoke.texi (-floop-optimize2): Removed.
15132 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15133 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15134 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15135 * common.opt (floop-optimize2): Removed.
15136 (fmove-loop-invariants): Enabled by default.
15138 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15140 * tree-if-conv.c (combine_blocks): Free the result of
15141 get_loop_exit_edges.
15143 2006-02-10 Jeff Law <law@redhat.com>
15145 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15147 PR tree-optimization/26213
15148 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15149 loop trying to follow SSA_NAME_VALUE chains.
15151 2006-02-10 Richard Guenther <rguenther@suse.de>
15153 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15154 deal with structures that end in implicitly variable sized arrays.
15156 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15158 PR rtl-optimization/24762
15159 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15162 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15164 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15165 (struct ivopts_data): Add regs_used field.
15166 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15167 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15168 instead of loop_data->regs_used;
15169 (free_loop_data): Do not free aux fields for loops.
15170 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15171 and tree_ssa_iv_optimize_finalize.
15173 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15175 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15177 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15180 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15181 computing the effective result type.
15183 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15185 PR inline-asm/16194
15186 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15187 (tree_overlaps_hard_reg_set): Declare.
15188 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15189 type and signature to match function type expected by walk_tree.
15190 (tree_overlaps_hard_reg_set): New function.
15191 (decl_conflicts_with_clobbers_p): Rename to:
15192 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15193 Use tree_overlaps_hard_reg_set. Changed caller.
15194 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15195 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15196 * cris.c (cris_md_asm_clobbers): Likewise.
15198 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15200 * reload1.c (emit_input_reload_insns): Delete code that tries to
15201 inherit using find_equiv_reg.
15203 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15205 * c-common.h (flag_const_strings): Don't declare.
15206 * c-common.c (flag_const_strings): Remove.
15207 * c.opt (fconst_strings): Remove.
15208 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15209 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15210 (c_common_init_options): Don't set flag_const_strings.
15211 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15213 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15215 * arm.md (tlobits_cbranch): New pattern.
15216 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15217 testing a single bit.
15219 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15222 * tree-ssa-pre.c (create_component_ref_by_pieces):
15223 Handle RETURN_DECL like VAR_DECL.
15225 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15227 PR middle-end/26134
15228 * fold-const.c (fold_indirect_ref_1): Fold
15229 "*(foo *)&complexfoo" to "__real__ complexfoo"
15230 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15232 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15234 * tree-flow-inline.h (var_can_have_subvars):
15235 Volatile variables should not have subvariables.
15237 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15240 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15241 multiplying unsigned values.
15244 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15246 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15248 2006-02-08 Jason Merrill <jason@redhat.com>
15251 * tree.def: Elaborate on difference from MODIFY_EXPR.
15252 * doc/c-tree.texi (INIT_EXPR): Likewise.
15253 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15254 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15255 (gimplify_target_expr): Likewise.
15256 (gimplify_cond_expr): Remove target handling.
15257 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15258 (gimplify_expr): Clobber it here.
15259 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15260 Do return slot optimization if we have an INIT_EXPR.
15263 * tree-inline.c (declare_return_variable): Also clear
15264 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15267 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15269 PR middle-end/22439
15270 * gimplify.c (gimplify_one_sizepos): Fix typo.
15272 2006-02-08 Jeff Law <law@redhat.com>
15274 PR tree-optimization/21417
15275 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15276 across a backedge if the control statement at the end of the
15277 block is data dependent on other statements in the same block.
15278 (record_temporary_equivalences_from_stmts): Remove over-conservative
15279 test for threading across backedges.
15281 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15282 control statement, handle all three special cases in the same
15283 manner as they all have the same desired solution. No longer
15284 special case edge flag updating when the post dominator is
15287 2006-02-08 Roger Sayle <roger@eyesopen.com>
15289 * tree.def (CHAR_TYPE): Remove.
15290 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15291 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15292 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15293 (gen_string_type_die): Delete unreachable function.
15295 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15296 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15297 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15298 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15299 * builtins.c (type_to_class): Likewise.
15300 * fold-const.c (fold_convert, build_range_check,
15301 merge_ranges): Likewise.
15302 * expr.c (count_type_elements): Likewise.
15303 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15304 * stor-layout.c (layout_type): Likewise.
15305 * ipa-type-escape.c (type_to_consider): Likewise.
15306 * gimplify.c (omp_firstprivatize_type_sizes,
15307 gimplify_type_sizes): Likewise.
15308 * explow.c (promote_mode): Likewise.
15309 * tree-sra.c (is_sra_scalar_type): Likewise.
15310 * varasm.c (output_constant): Likewise.
15311 * tree-inline.c (remap_type_1): Likewise.
15312 * convert.c (convert_to_pointer, convert_to_real,
15313 convert_to_integer, convert_to_complex): Likewise.
15315 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15317 * df-scan.c (df_def_record_1): A set destination may
15318 be a parallel regardless of mode.
15320 2006-02-08 Roger Sayle <roger@eyesopen.com>
15323 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15324 * config/mips/_tilib.c: Remove.
15325 * config/fixtfdi.c: New libgcc source file.
15326 * config/fixunstfdi.c: New source file.
15327 * config/floatditf.c: New source file.
15328 * config/floatunditf.c: New souce file.
15329 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15330 files above instead of config/mips/_tilib.c.
15331 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15333 2006-02-08 Jeff Law <law@redhat.com>
15335 PR tree-optimization/26169
15336 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15339 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15341 * df.h (DF_REG_SIZE): Return the length of the initialized
15344 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15346 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15347 __muldf3): Return a correctly signed zero.
15349 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15351 * passes.c (register_one_dump_file): Accept the current properties
15352 instead of pass number. Adjust call to dump_register. Remove
15354 (register_dump_files): Now a wrapper around...
15355 (register_dump_files_1): ... this one. Do not modify the pass
15357 (next_pass_1): Cosmetic fix.
15358 (execute_todo): Keep second parameter only. Use curr_properties
15359 instead of fetching it from the pass structure. Check and set
15361 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15362 instead of fetching it from the pass structure. Fix calls to
15363 execute_todo. Update curr_properties and initialize .vcg RTL dump
15364 after running the pass. Reset last_verified.
15365 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15367 (FIRST_AUTO_NUMBERED_DUMP): New.
15368 (dump_register): Remove "num" parameter, assign it within the
15370 (get_dump_file_name): Modify template for dumps.
15371 * tree-dump.h (dump_register): Adjust prototype.
15372 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15373 (PROP_trees): Add PROP_gimple_lomp.
15374 (TODO_set_props): New.
15375 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15376 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15377 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15379 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15381 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15382 (sparc64-*-linux*): Likewise.
15383 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15384 * config/sparc/t-linux: New file.
15385 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15386 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15387 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15388 -m32 -mlong-double-128.
15390 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15391 * config/alpha/t-linux: New file.
15392 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15394 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15395 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15396 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15397 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15398 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15399 (CPP_ARCH32_SPEC): Remove.
15401 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15403 PR tree-optimization/26145
15404 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15407 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15410 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15411 >= 240000 when generating code for SOM runtime.
15412 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15413 to $$dyncall when generating code for SOM runtime..
15415 2006-02-07 Dirk Mueller <dmueller@suse.com>
15418 * doc/invoke.texi (-Wsequence-point): Update documentation
15419 that -Wsequence-point is implemented for C++ as well.
15421 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15423 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15424 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15425 (LIB_SPEC): Likewise.
15426 * doc/invoke.texi (SPARC options): Document -pthread.
15428 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15430 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15433 2006-02-07 Roger Sayle <roger@eyesopen.com>
15435 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15436 Correct comment describing BOOLEAN_TYPE.
15438 2006-02-07 Dirk Mueller <dmueller@suse.com>
15440 * c.opt: C++ frontend supports -Wdiv-by-zero.
15441 * c-opts.c (c_common_handle_option): Remove dead case.
15443 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15445 * configure.ac (TLS assembler check): Do not enable TLS by
15446 default on SPARC/Solaris before version 10.
15447 * configure: Regenerate.
15449 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15451 * doc/invoke.texi (xl-compat): Document conversion and support
15454 2006-02-07 Jeff Law <law@redhat.com>
15456 * tree-vrp.c (find_conditional_asserts): Update comments.
15457 (simplify_stmt_for_jump_threading): New.
15458 (identify_jump_threads, finalize_jump_threads): New.
15459 (vrp_finalize): Call identify_jump_threads.
15460 (execute_vrp): Call finalize_jump_threads.
15461 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15462 (vrp_element, vrp_data, vrp_element_p): Remove.
15463 (vrp_hash_elt, vrp_variables_stack): Remove.
15464 (vrp_hash, vrp_eq, record_range): Remove.
15465 (simplify_cond_and_lookup_avail_expr): Remove.
15466 (extract_range_from_cond): Remove.
15467 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15468 (simplify_stmt_for_jump_threading): New.
15469 (dom_thread_across_edge): New wrapper.
15470 (tree_ssa_dominator_optimize): No longer initialize or
15471 finalize any of the VRP datastructures. Remove iteration
15472 step and simplify as a result of removal of iteration step.
15473 (pass_dominator): Perform a cfg cleanup after DOM.
15474 (dom_opt_finalize_block): Use the new common routines
15475 for threading jumps. Simplify stack management slightly.
15476 No longer need to unwind VRP state.
15477 (record_equivalences_from_incoming_edge): No longer record
15479 (eliminate_redundant_computations): No longer call
15480 simplify_cond_and_lookup_avail_expr.
15481 * tree-flow.h (potentially_threadable_block): Prototype.
15482 (thread_across_edge): Likewise.
15483 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15484 (tree-ssa-threadedge.o): Add dependencies.
15485 * tree-ssa-threadedge.c: New file.
15486 * passes.c (init_optimization_passes): Merge PHIs before
15487 calling VRP. Run VRP again late in the SSA optimization pipeline.
15489 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15491 * df-core.c (df_set_blocks): Do not dereference function pointers.
15492 (df_finish1): Likewise.
15493 (df_hybrid_search_forward): Likewise.
15494 (df_hybrid_search_backward): Likewise.
15495 (df_iterative_dataflow): Likewise.
15496 (df_analyze_problem): Likewise.
15497 (df_compact_blocks): Likewise.
15498 (df_dump): Likewise.
15499 * df-scan.c (df_rescan_blocks): Likewise.
15500 (df_record_entry_block_defs): Likewise.
15502 * genconditions.c (write_conditions): Guard the definition of
15503 'insn_conditions' with the check on GCC version.
15504 (write_writer): Guard the traversal 'insn_conditions' with
15505 the check on GCC version.
15507 2006-02-07 Richard Guenther <rguenther@suse.de>
15511 2006-01-30 Richard Guenther <rguenther@suse.de>
15513 * gimplify.c (gimplify_target_expr): Handle easy cases
15514 without creating a temporary.
15516 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15518 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15519 use of float in probability computations. Use edge probabilities
15520 in place of statically computed probabilities.
15521 (min_spec_prob): New static variable.
15522 (schedule_insns): Initialize it.
15523 (GET_SRC_PROB): Removed.
15524 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15526 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15529 * config/ia64/unwind-ia64.c: Revert last change.
15530 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15531 (INCOMING_FRAME_SP_OFFSET): Define.
15533 2006-02-06 Roger Sayle <roger@eyesopen.com>
15535 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15537 2006-02-07 Ben Elliston <bje@au.ibm.com>
15539 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15540 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15541 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15542 (ix86_return_in_memory): Handle TDmode.
15543 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15544 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15546 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15548 * reorg.c (dbr_schedule): Use dump_file instead of file.
15550 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15553 * config/ia64/predicates.md (extr_len_operand): New predicate.
15554 * config/ia64/ia64.md (extv): Tighten constraints.
15556 (*tbit_and_2): Ditto.
15557 (*tbit_and_3): Ditto.
15558 (*tbit_or_2): Ditto.
15559 (*tbit_or_3): Ditto.
15560 (*bit_zero): Ditto.
15563 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15566 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15568 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15570 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15571 loop_optimizer_init and loop_optimizer_finalize
15572 * tree-ssa-sink.c (execute_sink_code): Ditto.
15573 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15574 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15575 tree_ssa_loop_done): Ditto.
15576 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15577 * sched-ebb.c: Include output.h.
15578 (schedule_ebbs): Do not use dump argument.
15579 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15580 * loop.c (loop_dump_stream): Removed.
15581 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15583 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15584 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15585 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15586 loop_iterations, strength_reduce, record_biv, record_giv,
15587 final_giv_value, check_final_value, check_ext_dependent_givs,
15588 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15589 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15590 dump_file instead of loop_dump_stream.
15591 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15592 argument dump_file.
15593 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15595 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15596 * haifa-sched.c: Include output.h
15597 (schedule_insns, sched_init): Do not use dump argument.
15598 * mode-switching.c (optimize_mode_switching): Ditto.
15599 * modulo-sched.c (stats_file): Removed.
15600 (print_node_sched_params): Do not call argument dump_file.
15601 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15602 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15604 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15606 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15607 rtl_loop_init, rtl_loop_done): Ditto.
15608 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15609 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15611 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15612 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15613 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15614 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15615 * emit-rtl.c (renumber_insns): Ditto.
15616 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15617 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15618 * regclass.c (regclass): Ditto.
15619 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15620 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15621 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15622 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15624 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15625 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15627 * gcse.c (gcse_file, debug_stderr): Removed.
15628 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15629 rest_of_handle_gcse): Do not use dump argument.
15630 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15631 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15632 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15633 compute_code_hoist_vbeinout, compute_code_hoist_data,
15634 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15635 compute_store_table, build_store_vectors, insert_insn_start_bb,
15636 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15637 store_motion): Use dump_file instead of gcse_file.
15638 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15639 * profile.c (profile_dump_file): Removed.
15640 (branch_prob): Use dump_file instead of profile_dump_file.
15641 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15643 * tree-ssa-copy.c (dump_copy_of): Ditto.
15644 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15645 dump file to life_analysis.
15646 * bt-load.c (branch_target_load_optimize): Ditto.
15647 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15649 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15650 regclass, dbr_schedule): Declaration changed.
15651 * sched-int.h (sched_init): Declaration changed.
15652 * tree-profile.c (tree_profile_dump_file): Removed.
15653 (tree_profile_hooks): Removed profile_dump_file hook.
15654 * rtl-profile (rtl_profile_dump_file): Removed.
15655 (rtl_profile_hooks): emoved profile_dump_file hook.
15656 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15658 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15659 * tree-cfg.c (build_tree_cfg): Ditto.
15660 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15661 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15662 Declaration changed.
15663 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15664 life_analysis and schedule_insns.
15665 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15667 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15669 * config/mips/mips.c (mips_reorg): Ditto.
15670 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15673 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15675 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15676 (s390_mangle_fundamental_type): New.
15677 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15680 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15681 (alpha_mangle_fundamental_type): New.
15682 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15685 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15687 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15689 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15690 (sparc_mangle_fundamental_type): New.
15692 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15694 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15695 (s390x-*-linux*): Likewise.
15696 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15697 * config/s390/t-linux: New file.
15699 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15701 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15702 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15704 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15706 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15707 (ANTIC_SAFE_LOADS): New macro.
15708 (find_or_generate_expression): Add prototype.
15709 (set_contains_value): Allow null set for sake of not always having
15710 to allocate ANTIC_SAFE_LOADS.
15711 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15712 Allow COMPONENT_REF too.
15713 (valid_in_set): Allow COMPONENT_REF.
15714 Check ANTIC_SAFE_LOADS too.
15715 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15716 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15718 (can_PRE_operation): Add COMPONENT_REF.
15719 (create_component_ref_by_pieces): New function.
15720 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15721 (insert_aux): Move AGGREGATE_TYPE_P check here.
15722 (compute_avail): Set bb local stmt uids.
15723 (pass_pre): Use TODO_update_ssa_only_virtuals.
15725 2006-02-06 Ben Elliston <bje@au.ibm.com>
15727 * configure.ac: Unconditionally disable decimal float by default.
15728 * configure: Regenerate.
15730 2006-02-06 Ben Elliston <bje@au.ibm.com>
15732 * read-rtl.c (read_name): Terminate reading on EOF.
15734 2006-02-06 Ben Elliston <bje@au.ibm.com>
15736 * dfp.c (decimal_real_arithmetic): Change second argument type
15737 from int to enum tree_code. Do not always return true, but now
15738 return result of any call to decimal_do helper functions.
15739 * dfp.h (decimal_real_arithmetic): Update prototype.
15741 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15743 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15745 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15748 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15751 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15753 * tree-vrp.c (cfg_loops): Removed.
15754 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15755 Use current_loops instead of cfg_loops. Pass flags to
15756 loop_optimizer_init.
15757 * cfgloopmanip.c (fix_loop_structure): Update only available
15759 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15760 loop_optimizer_init.
15761 * modulo-sched.c (build_loops_structure): Removed.
15762 (sms_schedule): Use loop_optimizer_init.
15763 * loop-init.c (loop_optimizer_init): Use flags to determine
15764 which properties of loops to prepare.
15765 (rtl_loop_init): Pass flags to loop_optimizer_init.
15766 * tree-ssa-sink.c (execute_sink_code): Ditto.
15767 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15768 * tree-ssa-pre.c (init_pre): Ditto.
15769 * cfgloop.h (LOOPS_NORMAL): New.
15770 (loop_optimizer_init): Declaration changed.
15772 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15774 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15775 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15777 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15779 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15781 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15782 * pa/t-pa64: Delete quadlib.c rule.
15783 * pa/x-ada: Revert last change.
15784 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15786 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15788 PR rtl-optimization/26087
15789 * rtlanal.c (canonicalize_condition): Do not cross basic block
15792 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15795 * config/ia64/ia64.c: Include debug.h.
15796 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15797 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15798 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15799 (process_epilogue, process_set, process_for_unwind_directive):
15800 Output unwind info only if requested. Add CFA info if requested.
15801 Add new arguments as needed. Adjust callers.
15802 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15804 (DWARF2_FRAME_INFO): Define to zero.
15805 * config/ia64/unwind-ia64.c: Remove code that compensated for
15806 the CFA offset error fixed above.
15807 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15808 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15809 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15810 -funwind-tables and -fexceptions to enable frame info.
15811 (dwarf2out_frame_init): Define initial CFA even if
15812 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15813 DWARF2_UNWIND_INFO is nonzero, not just defined.
15814 (dwarf2out_frame_finish): Output non-EH call frame info only
15815 if DWARF2_FRAME_INFO is nonzero.
15816 (convert_cfa_to_loc_list,
15817 compute_frame_pointer_to_cfa_displacement): Define even if
15818 unwind info is not supported.
15819 (gen_subprogram_die): Use the above unconditionally. Remove
15820 legacy alternate code.
15821 * toplev.c (compile_file): Compile in call to
15822 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15823 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15825 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15826 Jakub Jelinek <jakub@redhat.com>
15828 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15829 IBM extended float format long double as "g" on powerpc*-linux.
15831 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15834 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15835 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15837 2006-02-03 Jason Merrill <jason@redhat.com>
15840 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15842 PR middle-end/25977
15843 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15844 on the return slot if it's an NRV.
15846 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15848 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15849 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15850 rewrite_use): Do not handle USE_OUTER.
15851 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15852 add_iv_outer_candidates, may_replace_final_value,
15853 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15854 (find_interesting_uses_op): Functionality of
15855 find_interesting_uses_outer_or_nonlin moved here.
15856 (find_interesting_uses_outside): Use find_interesting_uses_op.
15858 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15861 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15863 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15864 Ulrich Weigand <uweigand@de.ibm.com>
15867 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15868 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15869 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15870 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15872 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15873 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15874 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15875 Define secondary reloads for TFmode moves.
15876 (constant_modes): Add TFmode.
15877 (NR_C_MODES): Set to 8.
15878 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15880 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15881 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15882 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15883 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15884 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15885 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15886 (FPR mode macro): Add TFmode.
15887 (DSF mode macro): New.
15888 (<de>, <dee> mode attributes): Removed.
15889 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15890 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15891 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15892 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15893 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15894 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15895 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15896 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15897 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15898 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15899 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15900 "*negabs<mode>2", "sqrt<mode>2"):
15901 Changed <de> to <xde>. R constraint replaced by <Rf>.
15902 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15904 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15905 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15906 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15908 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15909 "extenddftf2", "extendsftf2"): New expanders.
15910 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15911 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15912 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15913 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15915 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15916 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15917 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15918 __floatditf): Add a GCC_4.1.0 symbol version tag.
15919 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15922 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15925 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15926 Use targetm.binds_local_p instead of TREE_PUBLIC.
15928 2006-02-02 Roger Sayle <roger@eyesopen.com>
15930 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15931 on INTEGER_TYPEs to indicate that it denotes a character type.
15932 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15933 signed_char_type_node, unsigned_char_type_node and char_type_node.
15934 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15935 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15936 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15938 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15939 Daniel Berlin <dberlin@dberlin.org>
15941 * tree-tailcall.c (arg_needs_copy_p): New function.
15942 (eliminate_tail_call): Use arg_needs_copy_p.
15943 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15944 (add_virtual_phis): New function.
15946 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15948 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15949 #ignore instead of #scratch for %g7 .register directive.
15951 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15953 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15956 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15958 * flow.c (calculate_global_regs_live): Assert that there aren't any
15961 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15963 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15964 what its name says.
15965 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15966 bsi_after_labels iterator.
15967 * tree-if-conv.c (find_phi_replacement_condition,
15968 replace_phi_with_cond_modify_expr): Likewise.
15969 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15970 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15972 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15974 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15976 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15979 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15980 array after growing it.
15982 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15984 PR middle-end/24901
15985 * fold-const.c (fold_checksum_tree): Change type of buf.
15987 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15989 * reload.c (push_secondary_reload): Initialize t_icode.
15991 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15993 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15994 -msoft-float -mlong-double-128 only issue a warning, but don't
15995 swich to DFmode long double.
15997 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15999 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16000 has a constant equivalent, iterate over equivalents for arg0,
16001 calling simplify_relational_operation and if there's a result
16002 cheaper than X, apply fold_rtx and return the result.
16004 2006-02-01 Jan Hubicka <jh@suse.cz>
16006 * opts.c (no_unit_at_a_time_default): New global variable.
16007 (decode_options): Use it.
16008 * opts.h (no_unit_at_a_time_default): Declare.
16010 2006-02-01 Paul Brook <paul@codesourcery.com>
16012 * function.c (assign_parm_setup_reg): Use function argument promotion
16014 * expr.c (expand_expr_real_1): Use function argument promotion rules
16017 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16019 * gcc.c (process_command): Change j to 'unsigned int'.
16021 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16023 PR middle-end/26001
16024 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16025 Use the corrected index for the character
16026 out of the string constant.
16028 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16030 * mode-switching.c (optimize_mode_switching): Fix size
16031 allocated for bb_info[n_entities].
16033 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16035 * gcc.c (main): Correct type that is allocated for
16036 explicit_link_files.
16038 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16040 * config/s390/s390.c (init_alignment_context): Set
16041 ALIAS_SET_MEMORY_BARRIER on the MEM.
16042 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16044 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16046 PR middle-end/25933
16047 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16049 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16052 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16054 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16055 * regrename.c: Ditto.
16056 * tree-ssa-loop-im.c: Ditto.
16057 * tree-dump.c: Ditto.
16058 * tree-complex.c: Ditto.
16059 * genrecog.c: Ditto.
16060 * tree-ssa-threadupdate.c: Ditto.
16062 * java/class.c: Ditto.
16063 * java/jcf-parse.c: Ditto.
16064 * java/resource.c: Ditto.
16065 * java/except.c: Ditto.
16066 * java/jvspec.c: Ditto.
16067 * java/jcf-write.c: Ditto.
16068 * java/jcf-path.c: Ditto.
16069 * java/gjavah.c: Ditto.
16070 * java/zextract.c: Ditto.
16071 * java/jcf-io.c: Ditto.
16072 * java/jcf.h: Ditto.
16073 * java/buffer.c: Ditto.
16074 * java/lang.c: Ditto.
16075 * java/parse-scan.y: Ditto.
16076 * java/lex.c: Ditto.
16077 * java/lex.h: Ditto.
16078 * cfgloopmanip.c: Ditto.
16079 * postreload-gcse.c: Ditto.
16080 * tree-ssa-loop-manip.c: Ditto.
16081 * postreload.c: Ditto.
16082 * tree-ssa-loop-ch.c: Ditto.
16085 * cppspec.c: Ditto.
16086 * diagnostic.c: Ditto.
16088 * genoutput.c: Ditto.
16090 * cfghooks.c: Ditto.
16091 * cfgloopanal.c: Ditto.
16092 * objc/objc-act.c: Ditto.
16094 * genextract.c: Ditto.
16095 * genautomata.c: Ditto.
16096 * pretty-print.c: Ditto.
16097 * genemit.c: Ditto.
16098 * cgraphunit.c: Ditto.
16100 * df-scan.c: Ditto.
16101 * haifa-sched.c: Ditto.
16102 * dominance.c: Ditto.
16104 * tree-ssa-loop-ivopts.c: Ditto.
16105 * df-core.c: Ditto.
16106 * mode-switching.c: Ditto.
16107 * modulo-sched.c: Ditto.
16109 * ipa-pure-const.c: Ditto.
16111 * fix-header.c: Ditto.
16113 * tree-stdarg.c: Ditto.
16114 * ipa-utils.c: Ditto.
16115 * loop-init.c: Ditto.
16116 * ipa-inline.c: Ditto.
16117 * cfganal.c: Ditto.
16119 * alloc-pool.c: Ditto.
16120 * dwarf2out.c: Ditto.
16122 * genattrtab.c: Ditto.
16123 * tree-ssa-loop-ivcanon.c: Ditto.
16124 * predict.c: Ditto.
16125 * timevar.c: Ditto.
16127 * fortran/gfortranspec.c: Ditto.
16128 * regmove.c: Ditto.
16129 * local-alloc.c: Ditto.
16130 * langhooks.c: Ditto.
16131 * function.c: Ditto.
16132 * tree-vectorizer.c: Ditto.
16134 * ipa-type-escape.c: Ditto.
16136 * tree-if-conv.c: Ditto.
16137 * profile.c: Ditto.
16139 * tree-data-ref.c: Ditto.
16140 * loop-unroll.c: Ditto.
16141 * treelang/treetree.c: Ditto.
16143 * bt-load.c: Ditto.
16144 * ggc-common.c: Ditto.
16146 * coverage.c: Ditto.
16148 * tree-cfgcleanup.c: Ditto.
16149 * tree-ssa-pre.c: Ditto.
16150 * cfgcleanup.c: Ditto.
16151 * loop-invariant.c: Ditto.
16152 * loop-iv.c: Ditto.
16153 * ipa-prop.c: Ditto.
16154 * print-tree.c: Ditto.
16155 * conflict.c: Ditto.
16156 * ggc-page.c: Ditto.
16157 * sched-deps.c: Ditto.
16158 * regclass.c: Ditto.
16159 * tree-object-size.c: Ditto.
16160 * combine.c: Ditto.
16161 * bb-reorder.c: Ditto.
16162 * resource.c: Ditto.
16163 * var-tracking.c: Ditto.
16164 * cfgloop.c: Ditto.
16165 * df-problems.c: Ditto.
16166 * reg-stack.c: Ditto.
16168 * gccspec.c: Ditto.
16169 * sched-rgn.c: Ditto.
16170 * tree-ssa-structalias.c: Ditto.
16171 * tree-ssa-reassoc.c: Ditto.
16172 * config/darwin-c.c: Ditto.
16173 * config/darwin.c: Ditto.
16174 * config/arm/arm.c: Ditto.
16176 * collect2.c: Ditto.
16177 * reload1.c: Ditto.
16179 2006-01-31 Nicolas Pitre <nico@cam.org>
16181 * arm.md (smaxsi3): Make aware of smax_m1.
16184 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16186 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16188 2006-01-31 Richard Guenther <rguenther@suse.de>
16190 * doc/invoke.texi (-msselibm): Document.
16191 * target.h (expand_library_builtin): New target hook.
16192 * builtins.c (expand_builtin): Use expand_library_builtin.
16193 (default_expand_library_builtin): New function.
16194 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16195 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16196 (link_gcc_math_spec): Declare.
16197 (static_specs): Add link_gcc_math_spec.
16198 * expr.h (default_expand_library_builtin): Declare.
16199 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16200 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16201 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16202 * config/i386/i386.opt (msselibm): New target option.
16203 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16204 (ix86_init_sse_abi_builtins): New function.
16205 (ix86_expand_library_builtin): Likewise.
16206 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16207 (override_options): Handle error conditions wrt -msselibm.
16208 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16209 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16210 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16213 2006-01-31 Richard Guenther <rguenther@suse.de>
16214 Paolo Bonzini <bonzini@gnu.org>
16216 * doc/install.texi (--disable-libgcc-math): Document.
16218 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16220 * expr.h (expand_normal): new inline function.
16221 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16222 * dojump.c: use it.
16223 * dwarf2out.c: use it.
16226 * expmed.c: use it.
16227 * except.c: use it.
16228 * config/sparc/sparc.c: use it.
16229 * config/i386/i386.c: use it.
16230 * config/rs6000/rs6000.c: use it.
16231 * config/arm/arm.c: use it.
16232 * config/mips/mips.c: use it.
16233 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16235 2006-01-30 Roger Sayle <roger@eyesopen.com>
16237 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16238 argv to the appropriate type.
16240 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16242 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16245 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16248 * config/s390/s390.c (struct machine_function): New flag
16249 decomposed_literal_pool_addresses_ok_p.
16250 (s390_reorg): Set it before final stage of literal pool transforms.
16251 (s390_decompose_address): Only accept displacements of the form
16252 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16254 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16256 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16257 the comparison routine return.
16259 2006-01-30 Michael Matz <matz@suse.de>
16261 * global.c (find_reg): Only evict for global regs.
16262 Take n_refs into account and dump more info.
16264 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16267 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16268 (pragma_trap, pragma_nosave_low_regs): Likewise.
16269 (current_function_anonymous_args): Likewise.
16270 (sh_deferred_function_attributes): New variable.
16271 (sh_deferred_function_attributes_tail): Likewise.
16272 (print_operand): For '@', look up trap_exit attribute.
16273 (calc_live_regs): Look up trapa_handler attribute. For trapa
16274 handlers, save/restore fpscr, but don't do any other
16275 interrupt-specific saves.
16276 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16277 Fix check for partially saved registers to check for SHmedia.
16278 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16279 (sh_output_function_epilogue): Don't clear any of the removed
16281 (sh_insert_attributes): Don't check pragma_interrupt.
16282 Insert deferred attributes. Check that interrupt attribute is
16283 present for other attributes that require its presence.
16284 (sh_attribute_table): Add new attributes trapa_handler and
16286 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16287 Don't check for pragma_interrupt. Don't store argument.
16288 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16289 (sh_deferred_function_attributes): Declare.
16290 (sh_deferred_function_attributes_tail): Likewise.
16291 * sh.md (sp_switch_1): Add operand. Change generator caller.
16292 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16293 (*return_i): Don't use when trap_exit attribute is in effect.
16294 (*return_trapa): New insn pattern.
16295 * sh-c.c: New file.
16296 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16297 setting c_target_objs and cxx_target_objs.
16298 * t-sh: Add rule for sh-c.o.
16300 2006-01-30 Richard Guenther <rguenther@suse.de>
16303 * gimplify.c (gimplify_target_expr): Handle easy cases
16304 without creating a temporary.
16306 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16308 * vec.h (safe_grow): Remove duplicated line.
16310 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16313 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16314 (expand_omp): ... here.
16315 (expand_omp_parallel): Only remove barriers for combined
16316 parallel+workshare constructs.
16318 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16322 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16323 * tree.c (build_qualified_type): Chain the new type to the original
16324 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16325 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16326 (build_pointer_type_for_mode): Only return unqualified types.
16327 (build_reference_type_for_mode): Likewise.
16329 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16331 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16332 * Makefile.in (CXX_COMPAT_WARN): Define.
16333 * configure: Regenerate.
16335 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16338 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16341 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16343 * toplev.c: Fix thinko.
16345 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16346 Marcin Dalecki <martin@dalecki.de>
16348 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16349 (push_srcloc): Use XNEW.
16350 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16352 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16354 * df-core.c (df_set_blocks): Deleted all variable.
16356 2006-01-28 Ian Lance Taylor <ian@airs.com>
16358 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16359 cgraph_output_pending_asms.
16361 2006-01-28 Zack Weinberg <zackw@panix.com>
16363 * c.opt: Add -W(no-)overlength-strings.
16364 * doc/invoke.texi: Document it.
16365 * c-opts.c (c_common_handle_option): -pedantic implies
16366 -Woverlength-strings, if not explicitly disabled already.
16367 (c_common_post_options): -Woverlength-strings defaults to off, and
16368 is always off for C++.
16369 * c-common.c (fix_string_type): Issue warning about strings longer
16370 than is portable only if warn_overlength_strings. Rearrange code
16371 a little for clarity.
16372 * configure.in: Check for -Wno-overlength-strings as well before
16373 enabling -pedantic in stage 1.
16374 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16375 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16377 * genconditions.c (write_header, write_one_condition)
16378 (write_conditions, write_writer): Consolidate very long strings
16379 that were broken up to fit in C89 portable limit. Don't use
16380 printf when fputs will do.
16382 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16384 * combine.c (simplify_comparison <AND>): Check
16385 TRULY_NOOP_TRUNCATION before start using a subreg.
16387 * config/mips/mips.md (*branch_zero<mode>,
16388 *branch_zero<mode>_inverted, *branch_equality<mode>,
16389 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16390 Remove mode check from comparisons.
16392 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16394 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16396 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16398 * expmed.c (const_mult_add_overflow_p): Remove.
16399 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16401 * recog.c (validate_replace_rtx_subexp): Remove.
16402 * recog.h: Remove the prototype for
16403 validate_replace_rtx_subexp.
16405 * integrate.h: Remove the prototype for
16406 copy_decl_for_inlining.
16407 * rtl.h: Remove the prototype for mark_constant_function.
16408 * tree-vectorizer.h: Remove the prototype for
16409 vect_strip_conversion.
16411 * modulo-sched.c (create_partial_schedule,
16412 free_partial_schedule, reset_partial_schedule): Make them
16415 * hooks.c (hook_bool_rtx_int_false): Remove.
16416 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16418 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16420 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16421 and -mlong-double-128 are incompatible.
16422 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16423 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16424 (TARGET_LIBGCC2_CFLAGS): Define.
16425 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16426 (TARGET_LIBGCC2_CFLAGS): Same.
16427 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16429 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16432 * c-typeck.c (build_binary_op): Perform implicit casts of
16433 operands before shortening them.
16435 * cfgloopmanip.c (split_loop_bb): Remove.
16436 * cfgloop.h: Remove the prototype for split_loop_bb.
16438 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16439 * cfgloop.h: Remove the prototype for
16440 flow_loop_outside_edge_p.
16442 * emit-rtl.c (init_virtual_regs): Make it static.
16443 * function.h: Remove the prototype for init_virtual_regs.
16445 * recog.c (peephole2_optimize): Make it static.
16446 * recog.h: Remove the prototype for peephole2_optimize.
16448 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16450 * df-scan.c (df_record_entry_block_defs): Check if
16451 INCOMING_RETURN_ADDR_RTX is defined.
16453 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16454 Kenneth Zadeck <zadeck@naturalbridge.com>
16456 PR rtl-optimization/24762
16457 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16458 * targhooks.c (hook_void_bitmap): New hook prototype.
16459 * targhoohs.h (hook_void_bitmap): Ditto.
16460 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16461 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16462 * target.h (live_on_entry): New function pointer.
16463 * df-scan.c (df_all_hard_regs): Removed.
16464 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16465 (df_scan_free_internal): Added df->entry_block_defs.
16466 (df_scan_alloc): Ditto.
16467 (df_scan_dump): Ditto.
16468 (df_uses_record): Plumbed flag field properly thru calls.
16469 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16470 This part fixes PR24762.
16471 (df_bb_refs_record): Added code to make the frame and arg
16472 pointers live in EH blocks.
16473 (df_refs_record): Added call to df_record_entry_block_defs.
16474 (df_record_entry_block_defs): New function.
16475 * df-core.c: Added comments to describe new artifical defs.
16476 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16477 (entry_block_defs): New field in struct df.
16478 (df_all_hard_regs): Deleted.
16479 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16480 * df-problems.c (df_ru_bb_local_compute_process_def):
16481 Added code to handle artifical defs in the entry to a function.
16482 (df_ru_bb_local_compute): Ditto.
16483 (df_rd_bb_local_compute_process_def): Ditto.
16484 (df_rd_bb_local_compute): Ditto.
16485 (df_lr_bb_local_compute): Ditto.
16486 (df_ur_bb_local_compute): Ditto.
16487 (df_urec_bb_local_compute): Ditto.
16488 (df_chain_create_bb): Ditto.
16489 (df_ur_local_finalize): Removed entry.
16490 (df_urec_init): Ditto.
16491 (df_urec_local_finalize): Ditto.
16492 (df_ri_bb_compute): Added detection of last use of pseudos.
16493 * Makefile.in (df-scan.o): Updated dependencies.
16494 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16495 * config/mips/mips.c (mips_set_live_on_entry): Added.
16496 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16498 * dce.c (marked_insn_p): Added code to handle artifical defs.
16500 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16502 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16504 (_mm_cvtsi128_si64): Likewise.
16505 (_mm_cvtsd_si64): Likewise.
16506 (_mm_cvttsd_si64): Likewise.
16507 (_mm_cvtsi64_sd): Likewise.
16508 (_mm_cvtsi64_si128): Likewise.
16509 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16510 (_mm_cvtsi64_m64): Likewise.
16511 (_m_to_int64): Likewise.
16512 (_mm_cvtm64_si64): Likewise.
16513 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16514 (_mm_cvttss_si64): Likewise.
16515 (_mm_cvtsi64_ss): Likewise.
16516 (_mm_cvtss_f32): Likewise.
16518 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16520 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16521 for pragma redefine_extname.
16523 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16526 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16527 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16528 -mno-minimal-toc to previous content.
16529 (bispecs): Remove goal.
16530 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16531 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16532 compatibility aliases on powerpc-*-*gnu*.
16533 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16534 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16535 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16536 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16537 (ldblspecs): New goal.
16538 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16539 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16541 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16542 L_sf_to_tf or L_df_to_tf is defined.
16544 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16545 Alan Modra <amodra@bigpond.net.au>
16548 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16549 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16550 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16551 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16552 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16553 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16554 (rs6000_override_options): Initialize rs6000_ieeequad.
16555 Initialize TFmode format to ibm_extended_format if not
16557 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16559 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16560 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16561 (function_arg_advance): IBM long double passed in two FPRs, not
16563 (function_arg): IBM long double passed in FPRs.
16564 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16565 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16566 Only multireg GPR aligned.
16567 (rs6000_init_libfuncs): Enable IBM long double functions if not
16569 (rs6000_generate_compare): Use IBM long double compare if not
16571 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16572 (TARGET_IEEEQUAD): Define.
16573 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16574 not TARGET_IEEEQUAD.
16575 * config/rs6000/rs6000.md: Enable TFmode patterns if
16577 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16578 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16579 and -mlong-double-128 are incompatible.
16580 * doc/invoke.texi (-mabi): Collect options together. Add
16581 ibmlongdouble and ieeelongdouble.
16583 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16585 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16587 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16588 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16589 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16590 * rtl.h (rtunion_def): Remove rt_ptr.
16592 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16593 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16594 * config/i386/winnt.c (i386_pe_mark_dllexport)
16595 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16597 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16599 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16601 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16605 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16606 pthread_key_delete. From John David Anglin. gthrw-ify
16607 pthread_getunique_np only if it it's not a macro. Delete
16609 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16610 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16611 __gthread_objc_condition_signal, __gthread_key_delete): Add
16612 "__attribute__ ((__unused__))" to unused arguments.
16613 (__gthread_recursive_mutex_init_function): Add missing return.
16614 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16615 gthr-posix95.h: Use macro-based approach for name redirection
16616 on targets missing weakref.
16618 2006-01-26 Zack Weinberg <zackw@panix.com>
16620 * genconditions.c (write_header): In generated code, #ifdef out
16621 all includes and fake declarations, except includes of bconfig.h
16622 and system.h, unless GCC_VERSION >= 3001. Do not include
16623 gensupport.h in any case.
16624 (write_conditions): Generate a definition of struct c_test. Add
16625 a comment to the generated #endif.
16626 (write_one_condition): Escape backslashes in string too.
16627 (write_writer): Generated code must escape backslashes and quote
16628 marks (but not newlines) in the strings it writes.
16629 * Makefile.in (build/gencondmd.o): Update dependencies.
16631 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16634 * Makefile.in (insn-automata.o): Add header file dependencies.
16635 * genautomata.c: Add includes.
16637 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16640 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16642 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16644 * configure.ac: Expect target tools paths to be passed from the toplevel
16645 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16647 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16649 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16652 * c.opt (Wpointer-sign): Init to -1.
16653 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16654 OPT_pedantic, to 0 otherwise.
16655 * doc/invoke.texi: Update.
16657 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16659 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16660 constants provided by 80387 instructions in the destination mode.
16662 2006-01-26 Richard Guenther <rguenther@suse.de>
16663 Andrew Pinski <pinskia@physics.uc.edu>
16666 partial PR tree-opt/17064
16667 * tree-ssa-structalias.c (intra_create_variable_infos):
16668 Create heap variables for incoming parameters if
16669 flag_argument_noalias > 1.
16670 (find_what_p_points_to): Look through default defs of
16673 2006-01-26 Jeff Law <law@redhat.com>
16676 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16677 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16678 within the VR_RANGE, use the VR_RANGE as the result, not the
16680 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16681 bounds for the type.
16683 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16685 * tree-ssa-alias.c (maybe_create_global_var): Change
16686 subvar walking to an assertion that we don't have subvar'd variables.
16688 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16691 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16692 Use a new variable, inner. PARM_DECLs are always non-weak.
16694 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16696 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16697 --disable-checking.
16699 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16701 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16703 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16705 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16706 (smax_insn, smin_insn, smax_0, smin_0): New.
16708 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16711 * config/cris/cris.c (cris_order_for_addsi3): New function.
16712 * config/cris/cris-protos.h: Prototype it.
16713 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16714 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16715 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16716 (split for "op.S1 [rx=rx+i],ry (swapped)")
16717 (split for "op(s|u).S1 [rx=rx+i],ry")
16718 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16719 Apply cris_order_for_addsi3 when generating addsi3 insns.
16721 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16723 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16724 (TREE_BLOCK): Add call to EXPR_CHECK.
16726 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16729 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16730 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16731 (dump_omp_clauses): ... here.
16732 (dump_generic_node): Handle OMP_CLAUSE.
16733 * tree.c (omp_clause_num_ops): New.
16734 (omp_clause_code_name): New.
16735 (tree_code_size): Handle OMP_CLAUSE.
16736 (tree_size): Likewise.
16737 (make_node): Document handling of OMP_CLAUSE.
16738 (tree_node_structure): Handle OMP_CLAUSE.
16739 (omp_clause_check_failed): New.
16740 (omp_clause_range_check_failed): New.
16741 (omp_clause_operand_check_failed): New.
16742 (build_omp_clause): New.
16743 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16744 * tree.h (enum omp_clause_code): Declare.
16745 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16746 (OMP_CLAUSE_RANGE_CHECK): Define.
16747 (OMP_CLAUSE_ELT_CHECK): Define.
16748 (omp_clause_check_failed): Declare.
16749 (omp_clause_operand_check_failed): Declare.
16750 (omp_clause_range_check_failed): Declare.
16751 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16752 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16753 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16754 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16755 (OMP_CLAUSE_IF_EXPR): Likewise.
16756 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16757 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16758 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16759 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16760 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16761 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16762 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16763 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16764 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16765 (OMP_CLAUSE_CODE): Define.
16766 (OMP_CLAUSE_SET_CODE): Define.
16767 (OMP_CLAUSE_CODE): Define.
16768 (OMP_CLAUSE_OPERAND): Define.
16769 (struct tree_omp_clause): Declare.
16770 (union tree_node): Add field 'omp_clause'.
16771 * treestruct.def (TS_OMP_CLAUSE): Define.
16772 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16773 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16774 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16775 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16776 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16777 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16778 (OMP_CLAUSE): Define.
16779 * print-tree.c (print_node): Handle OMP_CLAUSE.
16780 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16781 * c-typeck.c: Likewise.
16782 * gimplify.c: Likewise.
16783 * c-omp.c: Likewise.
16784 * tree-nested.c: Likewise.
16785 * tree-inline.c: Likewise.
16786 * c-parser.c: Likewise.
16787 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16790 2006-01-25 Roger Sayle <roger@eyesopen.com>
16792 PR rtl-optimization/25703
16793 * combine.c (try_combine): Handle zero_extract and strict_low_part
16794 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16796 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16798 * global.c: Fix comment typos.
16800 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16803 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16804 Use output_addr_const instead of assemble_name.
16806 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16808 * Makefile.in (sched-vis.o): Update dependencies.
16809 * haifa-sched.c (sched_finish): Clear current_sched_info.
16810 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16811 (dump_flow_info): Call it.
16812 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16814 * basic-block.h (dump_bb_info): Declare.
16815 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16816 option, and apply options only for dump files whose TDF_RTL,
16817 TDF_TREE, or TDF_IPA bits match.
16818 * rtl.h: Declare new functions exported from sched-vis.c.
16819 * sched-vis.c: Enable also if scheduling is not used.
16820 (print_value): Print the mode of registers if not inside scheduling.
16821 (print_insn): Make it work outside the scheduler. Beautify the output
16823 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16825 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16827 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16828 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16829 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16830 depending on the value of CONSTANT_POOL_ADDRESS_P.
16831 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16833 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16834 rather than SYMBOL_REF_DECL.
16835 (rtx_constant_pool): Remove const_rtx_sym_htab.
16836 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16837 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16838 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16839 Remove handling of const_rtx_sym_htab.
16840 (find_pool_constant): Delete.
16841 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16842 rather than find_pool_constant.
16843 (get_pool_constant_for_function): Delete.
16844 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16845 find_pool_constant.
16846 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16847 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16848 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16849 (SYMBOL_REF_CONSTANT): New macro.
16850 (get_pool_constant_for_function): Delete.
16851 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16852 rather than SYMBOL_REF_DECL.
16853 (i386_pe_mark_dllimport): Likewise.
16854 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16855 rather than SYMBOL_REF_DECL.
16856 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16857 (machopic_indirect_call_target): Likewise.
16859 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16861 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16863 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16865 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16867 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16869 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16871 2006-01-24 David Daney <ddaney@avtrex.com>
16874 * configure.ac (enable_tls): New enable option.
16875 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16876 * configure: Regenerate.
16877 * doc/install.texi (--enable-tls): Document new option.
16878 (--disable-tls): Ditto.
16880 2006-01-24 Richard Henderson <rth@redehat.com>
16882 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16883 * alias.c (true_dependence): Respect it.
16884 (canon_true_dependence, write_dependence_p): Likewise.
16885 * builtins.c (get_builtin_sync_mem): Set it.
16887 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16889 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16892 2006-01-24 DJ Delorie <dj@redhat.com>
16894 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16895 for storing constants in single-bit bitfields.
16897 2006-01-25 Ben Elliston <bje@au.ibm.com>
16899 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16901 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16904 * tree-ssa-pre.c (phi_translate): Return NULL
16905 for AGGREGATE_TYPE's.
16907 2006-01-24 Zack Weinberg <zackw@panix.com>
16909 * genautomata.c (process_state_for_insn_equiv_partition):
16910 Use xcalloc for insn_arcs_array.
16911 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16912 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16914 2006-01-24 Richard Henderson <rth@redhat.com>
16916 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16917 update all callers.
16919 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16921 PR rtl-optimization/25890
16922 PR rtl-optimization/25905
16923 * combine.c (expand_compound_operation, expand_field_assignment):
16924 Fail if the bitfield's final position is out of bounds.
16926 2006-01-24 Ian Lance Taylor <ian@airs.com>
16928 PR middle-end/25930
16929 * cgraphunit.c (cgraph_output_in_order): Don't clear
16930 cgraph_asm_nodes until after asm strings have been output.
16932 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16934 * fix-header.c (read_scan_file): Add new parameter imultilib when
16935 calling register_include_chains.
16937 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16939 * omp-low.c: Update documentation.
16941 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16942 Daniel Berlin <dberlin@dberlin.org>
16946 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16947 return from the function.
16949 2006-01-22 Zack Weinberg <zackw@panix.com>
16951 * rtl.def (match_code): Add second argument.
16952 * genpreds.c (write_extract_subexp): New function.
16953 (write_match_code): Add path argument. Use write_extract_subexp.
16954 (write_predicate_expr): Pass path to write_match_code.
16955 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16956 not perform a mode test.
16957 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16958 a subexpression does not constrain the top-level code set.
16959 * read-rtl.c (read_rtx_variadic): New function.
16960 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16961 * doc/md.texi: Document new notation.
16962 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16963 (cmpsi_operand): ... here, using new notation.
16965 2006-01-22 Zack Weinberg <zackw@panix.com>
16967 * varray.c: Remove GENERATOR_FILE #ifdefs.
16969 2006-01-22 Zack Weinberg <zackw@panix.com>
16971 * genautomata.c (output_reserved_units_table): Emit nothing if
16972 description->query_units_num is zero. Remove extra blank line.
16973 (output_cpu_unit_reservation_p): Short circuit
16974 if description->query_units_num is zero.
16976 2006-01-22 Zack Weinberg <zackw@panix.com>
16978 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16979 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16980 nor any of the random handful of variables that used to be necessary
16981 when this program was linked with rtlanal.o. Prune set of forward
16982 function declarations.
16983 (struct attr_desc): Remove static_p field.
16984 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16985 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16986 (attr_string): Do not read the character one past the length of
16988 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16989 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16990 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16991 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16992 (make_automaton_attrs): New.
16993 (main): Do not call into genautomata. Call local gen_bypass
16994 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16995 Remove special case for insn_alts.
16996 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16997 varray.h (leftover from previous change). Prune set of forward
16998 function declarations. Remove state_alts fields from all
16999 structures. Remove state_alts_table from struct automaton.
17000 Make everything except main static. Do not maintain num_dfa_decls.
17001 Do not maintain state_alts fields of various structures.
17002 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17003 (add_arc): Remove state_alts argument. All callers updated.
17004 (output_reserved_units_table): Emit #ifdef here...
17005 (output_tables): ...not here. Don't generate state_alts tables.
17006 (expand_automata): Don't generate attributes.
17007 (write_automata): Don't generate state_alts functions.
17008 (main): New function.
17009 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17010 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17011 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17012 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17013 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17014 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17015 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17016 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17018 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17019 * genattrtab.h: Delete file.
17020 * Makefile.in (OBJS-common): Add insn-automata.o.
17021 (insn-automata.o): New rule.
17022 (simple_generated_c): Add insn-automata.c.
17023 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17024 (genprogmd): Add automata.
17025 (build/genattrtab): Needs no extra objects nor libraries.
17026 (build/genautomata): Needs build/vec.o and -lm.
17028 2006-01-22 Zack Weinberg <zackw@panix.com>
17030 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17031 (output_dfa_max_issue_rate, locked_states_num): Delete.
17032 (struct automaton): Add locked_states field.
17033 (output_dead_lock_vect): Save number of locked states in
17034 automaton->locked_states. If it is zero, don't print anything.
17035 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17036 (output_internal_dead_lock_func): Only test the dead_lock_vect
17037 for automata that have locked states.
17038 (output_statistics): Always print the number of locked states for
17039 each automaton. Calculate total number of locked states here.
17040 (write_automata): Don't call output_dfa_max_issue_rate.
17041 * genattrtab.c: Define length_unit_log as a const variable.
17042 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17043 max_insn_queue_index const.
17044 * final.c (length_unit_log): Declare const.
17045 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17047 2006-01-22 Zack Weinberg <zackw@panix.com>
17049 * genautomata.c: Include vec.h, not varray.h.
17050 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17051 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17052 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17053 VEC_* macros operating on appropriately typed vectors, or to
17054 malloced arrays when the size is known in advance. Const-ify
17055 many char* variables and function arguments. No functional changes.
17056 * Makefile.in (build/varray.o): Delete rule.
17057 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17058 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17060 2006-01-22 Zack Weinberg <zackw@panix.com>
17062 * gensupport.c: Define get_insn_name and record_insn_name here.
17063 (read_md_rtx): Call record_insn_name as appropriate.
17064 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17065 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17066 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17068 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17069 (BUILD_VARRAY): Delete.
17070 (genprognormal): Rename genprogmd. Fold in all programs from
17071 genprognoprint; also attrtab.
17072 (build/genattrtab): Just mention genautomata.o and varray.o.
17073 Reorganize a bit, add comments to make the categories clearer.
17075 2006-01-22 Zack Weinberg <zackw@panix.com>
17077 * genconditions.c (condition_table, add_condition): Delete.
17078 (write_conditions): Don't emit n_insn_conditions nor
17079 insn_elision_unavailable. Issue the gcc version #ifdef here,
17080 inside the table, with no #else clause ...
17081 (write_header): ...not here.
17082 (write_writer): New function.
17083 (main): Don't initialize condition_table. Use add_c_test.
17085 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17086 files on the command line.
17087 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17088 Return -1 if there is no entry in the table, don't abort.
17089 (add_c_test, traverse_c_tests): New functions.
17090 * gensupport.h (insn_elision_unavailable, insn_conditions)
17091 (n_insn_conditions): Delete declarations.
17092 (add_c_test, traverse_c_tests): Declare.
17093 * read-rtl.c: Include gensupport.h.
17094 (read_conditions): New function.
17095 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17096 (read_rtx_1): If we get EOF when we were looking for an initial
17097 open paren, return 0. Call read_conditions when appropriate.
17098 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17099 dummy-conditions.o. Eliminate references to insn-conditions.o,
17100 or change them to build/gencondmd.o, as appropriate. Remove
17101 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17102 from $(simple_generated_c). For all files remaining in those
17103 two lists, add insn-conditions.md to the generator command line.
17104 Give insn-constants.h/s-constants their own rules. Add rules
17105 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17106 (build/read-rtl.o): Depend on gensupport.h.
17107 (genprognormal): Include preds.
17108 (genprogearly): Rename genprognoprint; only difference is now that
17109 they don't link with $(BUILD_PRINT).
17110 * dummy-conditions.c: Delete.
17112 2006-01-22 Zack Weinberg <zackw@panix.com>
17114 * genextract.c: Don't include insn-config.h. Do include vec.h.
17115 Declare vectors of int, char, and locstr.
17116 (locstr): New typedef.
17117 (struct extraction): Make all array fields into bare pointers.
17118 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17119 (insn_code_number): Delete.
17120 (accum_extract): New struct.
17121 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17122 (gen_insn): Take insn_code_number as an argument. Use an
17123 accum_extract structure instead of loading data directly into
17124 a struct extraction, and having to know how big it might get.
17125 (walk_rtx): Operate entirely on an accum_extract structure.
17126 (print_path): Avoid unnecessary use of printf.
17127 (print_header): New function, split out of main. Distinguish
17128 more carefully between an unrecognizable insn and an insn that
17129 has the code number of a define_expand.
17130 (main): Pass insn_code_number to gen_insn. Call print_header
17131 only after parsing. Avoid unnecessary use of printf.
17132 * Makefile.in (build/vec.o): New rule.
17133 (build/genextract): Depend on build/vec.o.
17134 (build/genextract.o): Don't depend on insn-config.h.
17136 2006-01-22 Zack Weinberg <zackw@panix.com>
17138 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17139 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17140 practical. Eliminate per-generator-program link rules.
17142 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17144 PR middle-end/24437
17145 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17146 with a call expr to ...
17147 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17149 2006-01-23 Richard Guenther <rguenther@suse.de>
17151 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17152 before make_edge with conditional EDGE_TRUE_VALUE.
17154 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17155 Jan Hubicka <jh@suse.cz>
17156 Richard Guenther <rguenther@suse.de>
17158 PR rtl-optimization/25654
17159 * cfgexpand.c (aggregate_contains_union_type): New function.
17160 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17161 for structure variables that contain a union type.
17163 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17165 * gengtype.c (new_structure): Return the structure.
17166 (create_option): Add an extra "next" argument.
17167 (create_field): New function.
17168 (adjust_field_rtx_def): Use create_option and create_field.
17169 Remove a now-unnecessary call to find_structure.
17170 (adjust_field_tree_def): Likewise.
17171 (note_yacc_type): Remove an unnecessary call to find_structure.
17172 * gengtype.h (new_structure): Return the structure.
17173 (create_option): Add an extra argument.
17174 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17175 (option): Adjust calls to create_option.
17177 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17179 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17181 2006-01-22 Paul Brook <paul@codesourcery.com>
17182 Peter Barada <peter@the-baradas.com>
17184 * config/m68k/m68k.md: Add Coldfire FPU support.
17185 Define FP mode macro and associated attributes.
17186 Use it for float mode patterns.
17187 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17188 (LIBCALL_VALUE): Use m68k_libcall_value.
17189 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17190 (m68k_function_value): Ditto.
17191 (emit_move_sequence): Ditto.
17192 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17193 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17194 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17195 (MULTILIB_EXCEPTIONS): Ditto.
17196 * config/m68k/m68k.opt: Add mcfv4e.
17197 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17198 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17199 (m68k_output_function_prologue): Save ColdFire FPU registers.
17200 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17201 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17202 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17203 ColdFire FPU registers.
17204 (m68k_libcall_value, m68k_function_value): New functions.
17205 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17206 (LIBCALL_VALUE): Use m68k_libcall_value.
17207 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17208 (MASK_COLDFIRE): Add MASK_CFV4E.
17209 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17210 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17211 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17212 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17213 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17214 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17215 * doc/invoke.tex: Document -mcfv4e on m68k.
17217 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17219 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17222 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17225 * c-opts.c (c_common_handle_option): Don't include
17226 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17227 * doc/invoke.texi (C++ Dialect Options): Document that
17228 -Wnon-virtual-dtor is no longer included in -Wall.
17230 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17232 * gcov.c (print_version), gcov-dump.c (print_version),
17233 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17236 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17238 * df-scan.c (problem_SCAN): Added NULL reset function.
17239 (df_scan_reset_blocks): Added code to call reset block function
17240 (df_bb_refs_delete) Fixed comment.
17241 (df_insn_refs_delete): Made tolerant of deleting non existent info
17242 for dataflow problems that need to be reset.
17243 * df-core.c (df_set_blocks): Ditto.
17244 * df.h (struct df_problem): Added reset_fun.
17245 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17246 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17247 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17248 functions to clear out all references to def-use or use-def chains.
17250 2006-01-21 Ben Elliston <bje@au.ibm.com>
17252 * varasm.c (assemble_real): Initialise data array.
17254 2006-01-20 Paul Brook <paul@codesourcery.com>
17256 Merge from csl-arm-branch.
17257 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17258 * config/arm/arm.md (movdi): Force operands[1] to a register
17259 if we have a non-register source.
17260 (*arm_movdi, *movdf_soft_insn): Require that one of the
17261 operands be a register.
17262 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17263 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17265 2006-01-20 DJ Delorie <dj@redhat.com>
17267 * varasm.c (initializer_constant_valid_p): Allow pointers
17268 initialized from integer constants of lesser precision.
17269 (output_constant): Allow non-int-sized pointer modes to be
17270 initialized from integer constants.
17272 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17275 * cppdefault.h (struct default_include): Add multilib flag.
17276 * cppdefault.c (cpp_include_defaults): Set it.
17277 * c.opt (-imultilib): New option.
17278 * c-opts.c (imultilib): New.
17279 (c_common_handle_option): Handle -imultilib.
17280 (c_common_post_options): Likewise.
17281 * c-incpath.c (add_standard_paths, register_include_chains):
17283 * c-incpath.h (register_include_chains): Add extra parameter.
17284 * gcc.c (do_spec_1): Generate -imultilib option.
17285 (The Specs Language): Update %I description.
17286 (process_command): Update copyright notice.
17287 * doc/cppopts.texi (-imultilib): Document.
17288 * doc/invoke.texi (-imultilib): Include in option summary.
17289 (%I): Update specs documentation.
17291 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17293 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17295 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17297 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17300 2006-01-20 Richard Guenther <rguenther@suse.de>
17301 Steven Bosscher <stevenb.gcc@gmail.com>
17303 PR rtl-optimization/24626
17304 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17305 EDGE_TRUE_VALUE if in RTL mode.
17308 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17309 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17311 2006-01-20 Dirk Mueller <dmueller@suse.com>
17314 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17315 instead of a special NOP marker.
17316 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17317 NOP marker handling.
17318 * c-common.h (empty_body_warning): Add forward declaration.
17319 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17320 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17322 2006-01-20 Paul Brook <paul@codesourcery.com>
17324 * Makefile.in (lang_checks): Keep going if mkdir fails.
17326 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17328 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17329 be able to clean out basic block when not necessary.
17330 (df_scan_free): Fixed to properly delete information if df is
17331 unused before calling df_finish.
17332 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17333 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17335 (df_bb_refs_delete): New function.
17336 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17337 * df-core.c (df_set_blocks): Added code to properly clean out
17338 unused blocks if they are not part of the blocks to consider.
17339 Added additional null check.
17340 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17341 be able to clean out basic block when not necessary
17342 * df.h (df_free_bb_function): Ditto.
17343 (df_bb_refs_delete): New function.
17344 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17345 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17346 basic block parameter to be able to clean out basic block when not
17348 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17349 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17350 Fixed to properly delete information if df is unused before
17353 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17355 PR rtl-optimization/25799
17356 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17357 Corrected confluence operator to remove bits from op2 before oring
17358 with op1 rather than removing bits from op1.
17359 (df_ru_transfer_function): Corrected test on wrong bitmap which
17360 caused infinite loop. Both of these problems were introduced in
17361 the dataflow rewrite.
17363 2006-01-19 DJ Delorie <dj@redhat.com>
17365 * reload1.c (find_reload_regs): Note the details of reload
17366 failures in the dump file.
17367 (spill_failure): Likewise.
17369 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17371 * loop-iv.c: Include df.h and hashtab.h.
17372 (enum iv_grd_result): New enum.
17373 (DF_REF_IV, DF_REF_IV_SET): New macros.
17374 (struct biv_entry): New.
17375 (df, bivs): New global variables.
17376 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17377 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17379 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17380 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17381 analyzed_for_bivness_p, record_biv): New functions.
17382 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17383 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17384 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17386 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17388 (iv_number_of_iterations): Use new interface to iv analysis.
17389 * loop-unroll.c: Do not include varray.h.
17390 (analyze_iv_to_split_insn): Use new interface to iv
17392 * loop-unswitch.c (may_unswitch_on): Ditto.
17393 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17395 (df_bb_modify): Realloc tables to the new index.
17396 (df_find_use): New function.
17397 * df.h (df_find_use): Declare.
17398 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17400 * cfgloop.h (struct rtx_iv): Remove analysed field.
17401 (iv_get_reaching_def): Removed.
17402 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17403 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17404 (loop-iv.o): Add df.h and hashtab.h dependency.
17405 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17407 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17410 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17412 (__floatundisf, __floatundidf): Likewise.
17413 * libgcc2.h (IS_IBM_EXTENDED): Define.
17415 2006-01-19 DJ Delorie <dj@redhat.com>
17417 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17419 2006-01-19 Paul Brook <paul@codesourcery.com>
17421 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17422 as nothrow when unwinding tables are disabled.
17424 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17427 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17428 of bit-field" when in system header.
17430 2006-01-19 DJ Delorie <dj@redhat.com>
17432 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17433 the 16 bit shift limit of the m16c.
17435 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17438 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17439 * config/i386/i386.c (output_set_got): Output the label if we have one
17440 for the TARGET_DEEP_BRANCH_PREDICTION case.
17442 2006-01-19 Jan Hubicka <jh@suse.cz>
17443 H.J. Lu <hongjiu.lu@intel.com>
17444 Evandro Menezes <evandro.menezes@amd.com>
17446 * invoke.texi (generic): Document
17448 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17449 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17450 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17451 (x86_use_incdec, x86_pad_returns): New variables
17452 (TARGET_CPU_DEFAULT_generic): New constant
17453 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17454 (enum processor_type): Add generic32 and generic64.
17455 * i386.md (cpu attribute): Add generic32/generic64
17456 (movhi splitter): Behave sanely when both partial_reg_dependency and
17457 partial_reg_stall are set.
17458 (K8 splitters): Enable for generic as well.
17459 * predicates.md (incdec_operand): Use TARGET_INCDEC
17460 (aligned_operand): Avoid memory mismatch stalls.
17461 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17462 * ppro.md: Enable for generic32
17463 * i386.c (generic64_cost, generic32_cost): New.
17464 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17465 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17466 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17467 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17468 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17469 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17470 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17471 x86_accumulate_outgoing_args, x86_prologue_using_move,
17472 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17473 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17474 Enable for generic.
17475 (x86_use_incdec, x86_pad_returns): New.
17476 (override_options): Add generic32 and generic64, translate "generic"
17477 to generic32/generic64 and "i686" to "generic32", refuse
17478 "generic32"/"generic64" as arch target.
17479 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17480 (ix86_reorg): Honor PAD_RETURNS.
17482 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17484 * tree-pretty-print.c (dump_generic_node): Handle
17485 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17486 * cgraph.c (cgraph_expand_queue): Rename from
17487 cgraph_analyze_queue. Update all users.
17488 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17489 cgraph_expand_queue.
17490 (cgraph_expand_all_functions): Likewise.
17491 (cgraph_finalize_pending_functions): Remove. Update callers.
17493 * tree.h (OMP_DIRECTIVE_P): Define.
17494 (OMP_PARALLEL_FN): Define.
17495 (OMP_PARALLEL_DATA_ARG): Define.
17496 (OMP_SECTIONS_SECTIONS): Define.
17497 * tree-pass.h (pass_expand_omp): Declare.
17498 * omp-low.c (struct omp_region): Declare.
17499 (struct omp_context): Remove fields 'parallel_type',
17500 'parallel_start_ix' and 'parallel_start_additional_args'.
17502 (struct omp_for_data): Rename from struct expand_omp_for_data.
17503 (omp_regions): New static variable.
17504 (root_omp_region): New static variable.
17505 (find_omp_clause): Make static.
17506 (is_in_combined_parallel_ctx): Remove.
17507 (is_combined_parallel): New.
17508 (extract_omp_for_data): Move earlier in the file.
17509 (workshare_safe_to_combine_p): New.
17510 (get_ws_args_for): New.
17511 (determine_parallel_type): Move earlier in the file.
17512 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17514 (omp_copy_decl): Likewise.
17515 (create_omp_child_function): Likewise.
17516 (lookup_omp_region): New.
17517 (dump_omp_region): New.
17518 (debug_omp_region): New.
17519 (debug_all_omp_regions): New.
17520 (new_omp_region): New.
17521 (scan_omp_parallel): If parallel_nesting_level > 1, the
17522 directive is nested within another parallel directive.
17523 Set OMP_PARALLEL_FN.
17524 (scan_omp_for): Do not try to handle combined parallel+for
17526 Remove FIXME comment.
17527 (scan_omp_nested): Remove.
17528 (scan_omp_1): Do not call scan_omp_nested when
17529 parallel_nesting_level is > 1.
17530 Do not change the DECL_CONTEXT of local variables found.
17531 (lookup_decl_in_outer_ctx): New.
17532 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17533 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17534 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17535 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17536 If CTX is nested, lookup VAR in the outer context when
17537 building copy assignment.
17538 (lower_send_clauses): Rename from expand_send_clauses.
17539 If CTX is nested, lookup VAR in the outer context when
17540 building copy assignments.
17541 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17542 If CTX is nested, lookup VAR in the outer context when
17543 building copy assignments.
17544 (expand_parallel_call): Rename from build_parallel_call.
17545 Handle combined parallel+workshare cases.
17546 Re-implement to emit code into the CFG.
17548 (expand_omp_parallel): Re-implement to emit code into the CFG.
17549 Call move_sese_region_to_fn to outline the sub-graph
17550 containing the parallel region.
17551 (expand_omp_for_1): Remove.
17552 (expand_omp_for_generic): Re-implement to emit code into the
17554 (expand_omp_for_static_nochunk): Likewise.
17555 (expand_omp_for_static_chunk): Likewise.
17556 (expand_omp_for): Likewise.
17557 (expand_omp_sections): Likewise.
17558 (remove_exit_barriers): New.
17559 (expand_omp_synch): New.
17561 (build_omp_regions_1): New.
17562 (build_omp_regions): New.
17563 (execute_expand_omp): New.
17564 (gate_expand_omp): New.
17565 (pass_expand_omp): Define.
17566 (lower_omp_sections): Rename from expand_omp_sections.
17567 Set OMP_SECTIONS_SECTIONS.
17568 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17569 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17570 (lower_omp_single): Rename from expand_omp_simple.
17571 (lower_omp_master): Rename from expand_omp_master.
17572 (lower_omp_ordered): Rename from expand_omp_ordered.
17573 (lower_omp_critical): Rename from expand_omp_critical.
17574 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17575 (lower_omp_for): Re-implement.
17576 (lower_omp_parallel): Re-implement.
17577 (lower_regimplify): Rename from expand_regimplify.
17578 (lower_omp_1): Rename from expand_omp_1.
17579 If there are syntax errors in the program, replace every
17580 OpenMP directive with NOP.
17581 Call lower_omp_* instead of expand_omp_*.
17582 (lower_omp): Rename from expand_omp.
17584 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17585 * tree-gimple.h (enum omp_parallel_type): Remove.
17586 (gimple_boolify): Declare extern.
17587 (find_omp_clause, determine_parallel_type): Remove.
17589 * gimple-low.c (lower_omp_directive): New.
17590 (lower_stmt): Call it.
17591 (record_vars_into): Move from ...
17592 (record_vars): ... here.
17593 Call record_vars_into with current_function_decl.
17595 * gimplify.c (struct gimplify_ctx): Remove fields
17596 combined_pre_p and combined_ctxp. Update users.
17597 (get_formal_tmp_var): Add documentation.
17598 (gimple_boolify): Make extern.
17599 (gimplify_expr_in_ctx): Remove. Update callers.
17600 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17601 will always be a BIND_EXPR.
17602 (gimplify_expr): Handle OMP_RETURN_EXPR.
17603 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17604 (OMP_PARALLEL): Add 3 operands.
17605 (OMP_SECTIONS): Add 1 operand.
17606 (OMP_RETURN_EXPR): Define.
17608 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17609 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17610 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17611 creating a circular free list.
17612 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17614 * tree-flow.h (move_sese_region_to_fn): Declare.
17615 (record_vars_into): Declare.
17616 * tree-cfg.c (make_omp_sections_edges): New.
17617 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17618 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17619 OMP_SECTIONS and OMP_SECTION.
17620 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17621 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17622 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17623 (gather_blocks_in_sese_region): New.
17624 (struct move_stmt_d): Declare.
17625 (move_stmt_r): New.
17626 (move_block_to_fn): New.
17627 (move_sese_region_to_fn): New.
17629 * passes.c (init_optimization_passes): Schedule
17630 pass_expand_omp after pass_init_datastructures.
17632 * tree-ssa-operands.c (get_expr_operands): Handle
17633 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17634 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17636 2006-01-19 Jeff Law <law@redhat.com>
17638 * tree-vrp.c (extract_range_from_assert): Refine the result range
17639 if the variable referenced by the ASSERT_EXPR has a range and
17640 either the tentative result range or the previous range is a
17643 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17645 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17647 2006-01-19 Jan Hubicka <jh@suse.cz>
17649 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17651 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17653 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17654 (expand_compound_operation, expand_field_assignment): Fail if the
17655 bit lengths of an extract operation are out of range.
17656 (make_extraction): Compute wanted_inner_mode based on the position
17657 and length of the extraction. Make it extraction_mode for non-constant
17658 positions, and do not modify offset in that case. When generating a
17659 new MEM, use a mode that can hold the extraction while keeping correct
17660 alignment. Remove code that supported MEMs wrapped by USEs.
17661 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17663 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17665 * config/s390/s390.md ("Y", "y"): New mode attribute.
17666 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17667 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17668 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17669 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17670 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17671 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17672 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17673 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17674 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17675 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17676 "addsi3", "subsi3"): Insn patterns removed.
17677 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17678 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17679 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17680 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17681 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17682 "*sub<mode>3_cconly2"): New insn patterns.
17683 ("addsi3", "subsi3"): New expanders.
17685 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17687 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17688 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17689 existing STMT_VINFO_VECTYPE if available.
17690 (vect_mark_relevant): Add special handling for stmts that are
17691 marked as STMT_VINFO_IN_PATTERN_P.
17692 (vect_analyze_loop): Call vect_pattern_recog.
17693 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17694 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17696 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17697 (vect_recog_func_ptr): New function-pointer type.
17698 * tree-vect-patterns.c: New file.
17699 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17700 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17701 (vect_pattern_recog_1): New functions.
17702 (vect_pattern_recog_funcs): New array of function pointers.
17704 * tree-vectorizer.h (ternary_op): New enum value.
17705 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17706 declaration. Revised documentation. Removed redundant dump prints.
17707 Removed redundant argument. Added support for reduction patterns.
17708 (vectorizable_reduction): Added support for reduction patterns.
17709 (vect_transform_stmt): Added support for patterns.
17711 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17712 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17713 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17714 (expand_widen_pattern_expr): New function.
17715 (init_optabs): Initialize new optabs udot_prod_optab,
17717 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17718 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17719 (expand_widen_pattern_expr): New function declaration.
17720 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17722 * tree-inline.c (estimate_num_insns_1): Added cases for new
17723 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17724 * tree-pretty-print.c (dump_generic_node): Likewise.
17725 (op_prio): Likewise.
17726 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17727 * tree-ssa-operands.c (get_expr_operands): Added case for
17729 * tree-vect-patterns.c (widened_name_p): New function.
17730 (vect_recog_dot_prod_pattern): Added function implementation.
17731 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17732 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17733 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17734 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17736 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17737 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17738 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17739 (init_optabs): Initialize new optabs widen_ssum_optab,
17741 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17742 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17743 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17744 use instead of type of def.
17745 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17746 function implementation.
17747 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17748 widen_ssumv8hi): New.
17750 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17753 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17756 * c-decl.c (add_flexible_array_elts_to_size): New function.
17757 (finish_decl): Use it.
17759 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17761 * diagnostic.h: Include options.h.
17762 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17763 dependancies for diagnostic.h.
17764 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17766 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17768 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17769 (ssa_ro_call_cache_valid): Ditto.
17770 * tree-ssa-alias.c (sort_tags_by_id): New function.
17771 (init_transitive_clobber_worklist): Ditto.
17772 (add_to_worklist): Ditto.
17773 (mark_aliases_call_clobbered): Ditto.
17774 (compute_tag_properties): Ditto.
17775 (set_initial_properties): Ditto.
17776 (compute_call_clobbered): Ditto.
17777 (compute_may_aliases): Call compute_call_clobbered and grouping.
17778 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17779 (compute_flow_insensitive_aliasing): Grouping now happens in our
17781 (setup_pointers_and_addressables): Remove clobbering related code.
17782 (add_may_alias): Ditto.
17783 (replace_may_alias): Ditto.
17784 (get_nmt_for): Ditto.
17785 (create_global_var):
17786 (is_escape_site): Return an escape_type enumeration.
17787 * tree-flow-inline.h (is_call_clobbered): Global var does not
17788 imply call clobbered.
17789 (mark_call_clobbered): Take a reason for marking this. Remove
17790 marking of globalness, and cache invalidation.
17791 (clear_call_clobbered): Remove cache invalidation code.
17792 * tree-dfa.c (dump_variable): If details is on, dump the reason
17794 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17796 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17797 (struct var_ann_d): Ditto.
17798 (enum escape_type): New.
17799 (mark_call_clobbered): Adjust prototype.
17800 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17801 are never call clobbered.
17802 Record reasons for escaping.
17803 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17804 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17805 (ssa_ro_call_cache_valid): Ditto.
17806 (clobbered_v_may_defs): Ditto.
17807 (clobbered_vuses): Ditto.
17808 (ro_call_vuses): Ditto.
17809 (clobber_stats): New.
17810 (init_ssa_operands): Zero out clobber stats.
17811 (fini_ssa_operands): Print out clobber stats.
17812 (get_call_expr_operands): Pass callee fndecl to
17813 add_call_read_ops).
17814 (add_call_clobber_ops): Remove use of cache.
17815 Add use of PURE_CONST information.
17816 (add_call_read_ops): Remove use of cache.
17817 Add use of static not_read information.
17819 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17821 Introduce TLS descriptors for i386 and x86_64.
17822 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17823 (TARGET_ANY_GNU_TLS): New macro.
17824 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17825 (struct machine_function): Add tls_descriptor_call_expanded_p.
17826 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17827 (ix86_current_function_calls_tls_descriptor): Likewise.
17828 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17829 (override_options): Introduce gnu2 tls dialect.
17830 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17832 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17834 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17835 (ix86_init_machine_status): Initialize new field.
17836 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17837 (ix86_tls_module_base): New.
17838 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17839 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17840 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17841 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17842 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17843 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17844 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17845 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17846 * config/i386/predicates.md (tls_modbase_operand): New.
17847 (tp_or_register_operand): New.
17849 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17851 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17852 (look_for_address_of): Ditto.
17853 (ipa_init): Walk the function decls.
17854 (static_execute): Don't set readonly on FUNCTION_DECL's.
17856 2006-01-18 Roger Sayle <roger@eyesopen.com>
17858 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17859 for shifts where the source and destination registers are different.
17861 2006-01-18 Paul Brook <paul@codesourcery.com>
17863 Merge from csl-arm-branch.
17864 2005-03-14 Julian Brown <julian@codesourcery.com>
17865 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17866 (aeabi_llsl): Likewise.
17867 (ashrdi3): Likewise.
17868 (aeabi_lasr): Likewise.
17869 (lshrdi3): Likewise.
17870 (aeabi_llsr): Likewise.
17871 2005-03-10 Julian Brown <julian@codesourcery.com>
17872 * config.gcc: Disable shared libgcc for SymbianOS.
17873 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17875 2006-01-18 DJ Delorie <dj@redhat.com>
17877 * c-pragma.c (handle_pragma_diagnostic): New.
17878 (init_pragma): Register it.
17879 * doc/extend.texi: Document it.
17881 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17882 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17883 (diagnostic_context): Add classify_diagnostic[].
17884 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17885 as errors if they're overridden to DK_WARNING.
17886 (diagnostic_initialize): Initialize classify_diagnostic[].
17887 (diagnostic_set_kind_override): New.
17888 (diagnostic_report_diagnostic): Check for kind changes.
17889 * opts.c (common_handle_option): Take lang_mask. Update callers.
17890 Handle OPT_Werror_.
17891 * common.opt (Werror=): New.
17892 * doc/invoke.texi: Document -Werror=*
17894 2006-01-18 Jeff Law <law@redhat.com>
17896 * tree-vrp.c (test_for_singularity): Correct test for new
17897 min limit. Use operand_equal_p rather than pointer equality
17898 for testing if new min/max values are equal.
17900 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17901 using range information until after propagation and folding.
17903 2006-01-18 Richard Henderson <rth@redhat.com>
17904 Aldy Hernandez <aldyh@redhat.com>
17905 Jakub Jelinek <jakub@redhat.com>
17906 Diego Novillo <dnovillo@redhat.com>
17908 * omp-low.c: New file.
17909 * c-omp.c: New file.
17911 2006-01-18 Richard Henderson <rth@redhat.com>
17912 Jakub Jelinek <jakub@redhat.com>
17913 Diego Novillo <dnovillo@redhat.com>
17915 * doc/invoke.texi: Document -fopenmp.
17916 * tree-dump.h (debug_function): Declare.
17917 * hooks.c (hook_bool_tree_bool_false): New function.
17918 (hook_tree_tree_null): Remove.
17919 (hook_tree_tree_tree_null): New.
17920 * hooks.h: Update to match.
17921 * tree-pretty-print.c (debug_tree_chain): New.
17922 (print_generic_expr): Handle TDF_CHAIN.
17923 (dump_generic_node): Handle BLOCK.
17924 Do not abort with incomplete SWITCH_EXPRs.
17925 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17926 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17927 print space after directive name.
17928 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17929 Handle OMP_MASTER and OMP_ORDERED.
17930 Handle printing of OMP_BODY just in one place, goto
17931 dump_omp_body in the rest of OMP_* nodes that have
17933 Don't handle clause nodes here. Update omp statements to
17934 use dump_omp_clauses.
17935 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17936 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17937 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17938 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17939 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17940 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17941 Adjust output for GOMP_PARALLEL.
17942 (dump_omp_clauses): New.
17943 (print_declaration): Dump DECL_VALUE_EXPR.
17944 (op_symbol_1): Split out of op_symbol.
17945 (dumping_stmts): Remove. Update all users.
17946 * cgraph.c (cgraph_analyze_queue): New.
17947 (cgraph_add_new_function): New.
17948 * cgraph.h (cgraph_analyze_queue): Declare.
17949 (cgraph_add_new_function): Declare.
17950 (cgraph_lower_function): Remove.
17951 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17952 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17953 and TYPE_P nodes in its default clause.
17954 (empty_body_p): New.
17955 (tree_range_check_failed): New.
17956 (build5_stat): New.
17957 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17958 OMP_CLAUSE_REDUCTION_MERGE,
17959 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17960 OMP_CLAUSE_PRIVATE_DEBUG,
17961 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17962 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17963 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17964 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17965 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17966 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17967 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17968 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17969 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17970 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17971 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17972 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17973 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17974 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17975 (TREE_RANGE_CHECK): New.
17976 (empty_body_p): Declare.
17977 (enum omp_clause_default_kind): New.
17978 (build_string_literal): Declare.
17979 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17980 (build5_stat, build5): Declare.
17981 * tree-pass.h (TDF_CHAIN): Define.
17982 * tree-pass.h (PROP_gimple_lomp): Define.
17983 (pass_lower_omp): Declare.
17984 * diagnostic.h (debug_tree_chain): Declare.
17985 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17987 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17988 * builtins.c (build_string_literal): Make extern.
17989 * gcc.c (include_spec_function): New.
17990 (static_spec_functions): Add it.
17991 (main): Move load of libgomp.spec ...
17992 (LINK_COMMAND_SPEC): ... here.
17993 (link_gomp_spec): New.
17994 (static_specs): Include it.
17995 (LINK_COMMAND_SPEC): Add link_gomp.
17996 (GOMP_SELF_SPECS): New.
17997 (driver_self_specs): Include it.
17998 (switch_matches): Don't mark inline.
17999 (main): Load libgomp.spec.
18000 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18001 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18002 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18003 * tree-gimple.h (enum omp_parallel): Declare.
18004 (determine_parallel_type): Declare.
18005 (omp_firstprivatize_variable): Declare.
18006 (omp_reduction_init): Declare.
18007 (diagnose_omp_structured_block_errors): Declare.
18008 (struct walk_stmt_info): Add want_return_expr.
18009 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18010 (find_omp_clause): Declare.
18011 (insert_field_into_struct): Declare.
18012 (struct walk_stmt_info): Move from tree-nested.c
18013 (walk_stmts): Declare.
18014 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18016 * cgraphunit.c (cgraph_lower_function): Make static.
18017 (cgraph_finalize_pending_functions): New.
18018 (cgraph_finalize_function): Call it.
18019 (cgraph_finalize_compilation_unit): Likewise.
18020 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18021 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18022 (BT_FN_UINT_UINT): New.
18023 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18024 DEF_FUNCTION_TYPE_VAR_4): Document.
18025 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18026 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18027 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18028 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18029 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18030 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18031 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18032 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18033 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18034 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18035 into separate files.
18036 (DEF_GOMP_BUILTIN): New.
18037 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18038 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18039 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18040 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18041 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18042 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18043 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18044 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18045 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18046 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18047 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18048 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18049 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18050 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18051 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18052 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18053 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18054 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18055 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18056 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18057 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18058 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18059 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18060 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18061 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18062 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18063 * sync-builtins.def: New file, moved from builtins.def.
18064 * omp-builtins.def: New file, moved from builtins.def.
18065 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18066 * gimple-low.c (lower_function_body): Clear data.
18067 (lower_stmt): Do not handle COMPOUND_EXPR.
18068 Remove call to print_node_brief.
18069 * c-tree.h (c_finish_omp_clauses): New prototype.
18070 (C_DECL_THREADPRIVATE_P): Define.
18071 (lookup_name_no_remap, c_omp_remap_private): Remove
18072 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18073 (check_for_loop_decls): Update decl.
18074 (lookup_name_no_remap, c_omp_remap_private): Declare.
18075 (build_indirect_ref, build_modify_expr, pushdecl,
18076 pushdecl_top_level): Move to c-common.h.
18077 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18078 before the switch, but just in the 2 places that need it.
18079 * c-decl.c (diagnose_mismatched_decls): Do not check for
18080 mismatched thread-local attributes when OLDDECL is marked
18081 threadprivate and NEWDECL has no thread-local attributes.
18082 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18083 (c_gimple_diagnostics_recursively): Rename from
18084 c_warn_unused_result_recursively. Invoke
18085 diagnose_omp_structured_block_errors.
18086 (check_for_loop_decls): Return a singular decl found.
18087 * langhooks.c (lhd_omp_predetermined_sharing): Return
18088 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18089 (lhd_omp_firstprivatize_type_sizes): New.
18090 (lhd_omp_assignment): New.
18091 (lhd_omp_predetermined_sharing): New.
18092 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18093 (struct lang_hooks_for_types): Add
18094 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18095 omp_predetermined_sharing, omp_disregard_value_expr,
18096 omp_private_debug_clause, omp_clause_default_ctor,
18097 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18098 (c_finish_omp_clauses): New.
18099 (c_finish_bc_stmt): Diagnose break within omp for.
18100 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18101 (build_unary_op): Return error_mark after reporting
18103 (build_modify_expr): Likewise.
18104 * gimplify.c: Include optabs.h and pointer-set.h.
18105 (enum gimplify_omp_var_data): Declare.
18106 (struct gimplify_omp_ctx): Declare.
18107 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18109 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18110 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18111 (splay_tree_compare_decl_uid): New.
18112 (new_omp_context): New.
18113 (delete_omp_context): New.
18114 (gimple_add_tmp_var): Call omp_add_variable.
18115 (gimplify_bind_expr): Likewise.
18116 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18117 true, disregard DECL_VALUE_EXPR on the decl if any.
18118 (gimplify_expr_in_ctx): New.
18119 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18120 omp_add_variable, omp_notice_variable, omp_is_private
18121 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18122 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18123 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18124 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18125 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18126 gimplify_omp_atomic): New.
18127 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18128 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18129 OMP_CRITICAL and OMP_ATOMIC.
18130 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18131 * c-pragma.h (enum pragma_kind): Add
18132 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18133 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18134 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18135 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18136 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18137 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18138 PRAGMA_OMP_THREADPRIVATE.
18139 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18140 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18141 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18142 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18143 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18144 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18145 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18146 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18147 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18148 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18149 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18150 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18151 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18153 (struct nesting_info): Add field_map,
18154 suppress_expansion, debug_var_chain.
18155 (create_nesting_tree): Initialize them.
18156 (lookup_field_for_decl): Use field_map.
18157 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18158 (convert_local_omp_clauses): New.
18159 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18160 (walk_body): Split out of walk_function.
18161 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18162 (convert_nonlocal_reference): Handle omp statements.
18163 (convert_local_reference): Likewise.
18164 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18165 (unnest_nesting_tree): New.
18166 (lower_nested_functions): Call it.
18167 (insert_field_into_struct): Make extern.
18168 (struct walk_stmt_info): Move to tree-gimple.h.
18169 (walk_stmts): Make extern.
18170 * omp-builtins.def: New file.
18171 * tree-iterator.c (expr_only): Clarify comment.
18172 * c-common.h (pushdecl_top_level, pushdecl,
18173 build_modify_expr, build_indirect_ref,
18174 c_finish_omp_master, c_finish_omp_critical,
18175 c_finish_omp_ordered, c_finish_omp_barrier,
18176 c_finish_omp_atomic, c_finish_omp_flush,
18177 c_finish_omp_for, c_split_parallel_clauses,
18178 omp_clause_default_kind, c_omp_sharing_predetermined,
18179 c_omp_remap_decl): Declare.
18180 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18181 (OBJS-common): Add omp-low.o.
18182 (c-omp.o, omp-low.o): Add.
18183 (gimplify.o): Add dependency on $(OPTABS_H).
18184 (GTFILES): Add omp-low.c.
18185 (gt-stringpool.h): Add.
18186 * tree-cfg.c (set_bb_for_stmt): Do not update the
18187 block-to-labels map if we are currently expanding to RTL.
18188 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18190 Handle IDENTIFIER_NODE.
18191 (tree_verify_flow_info): Do not ICE when emitting error
18192 messages about invalid labels.
18193 (dump_function_to_file): Reset CFUN before emitting the body
18195 (debug_function): New.
18196 * passes.c (init_optimization_passes): Schedule
18198 * langhooks-def.h (lhd_omp_predetermined_sharing,
18199 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18201 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18202 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18203 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18204 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18205 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18206 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18207 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18208 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18209 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18210 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18211 (LANG_HOOK_DECLS): Use them.
18213 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18214 Richard Henderson <rth@redhat.com>
18215 Jakub Jelinek <jakub@redhat.com>
18216 Diego Novillo <dnovillo@redhat.com>
18218 * c-parser.c (pragma_omp_clause): Define.
18219 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18220 (c_parser_compound_statement): Likewise.
18221 (c_parser_statement): Likewise.
18222 (c_parser_pragma): Handle omp pragmas.
18223 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18224 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18225 (c_parser_omp_clause_name, check_no_duplicate_clause,
18226 c_parser_omp_variable_list,
18227 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18228 c_parser_omp_clause_copyprivate,
18229 c_parser_omp_clause_default,
18230 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18231 c_parser_omp_clause_lastprivate,
18232 c_parser_omp_clause_nowait,
18233 c_parser_omp_clause_num_threads,
18234 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18235 c_parser_omp_clause_reduction,
18236 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18237 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18238 c_parser_omp_atomic, c_parser_omp_barrier,
18239 c_parser_omp_critical, c_parser_omp_flush,
18240 c_parser_omp_for_loop, c_parser_omp_for,
18241 c_parser_omp_master, c_parser_omp_ordered,
18242 c_parser_omp_sections_scope, c_parser_omp_sections,
18243 c_parser_omp_parallel, c_parser_omp_single,
18244 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18245 * c-pragma.c (init_pragma): Do omp pragma registration here.
18246 * c.opt (fopenmp): New flag.
18248 2006-01-18 Eric Christopher <echristo@apple.com>
18250 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18251 * config/darwin.h (GOMP_SELF_SPECS): Define.
18253 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18255 * rtl.h: Remove the prototype for reg_alloc.
18257 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18260 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18261 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18262 sjlj and dwarf2 exception handling.
18263 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18264 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18265 * pa/pa.c (function_value): Treat complex and vector types as
18267 (function_arg): Likewise. Only pass scalar floats in the floating
18268 point argument registers.
18269 * pa/t-slibgcc-dwarf-ver: New file.
18270 * pa/t-slibgcc-sjlj-ver: New file.
18271 * pa/t-slibgcc-elf-ver: Delete file.
18273 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18275 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18276 unlikely_test_section_p test.
18278 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18280 * mode-switching.c (optimize_mode_switching): Make it static.
18281 * basic-block.h: Remove the prototype for
18282 optimize_mode_switching.
18284 * modulo-sched.c (sms_schedule): Make it static.
18285 * rtl.h: Remove the prototype for sms_schedule.
18287 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18288 * rtl.h: Remove the prototype for gcse_after_reload_main.
18290 * reg-stack.c (reg_to_stack): Make it static.
18291 * rtl.h: Remove the prototype for reg_to_stack.
18293 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18295 * rtl.h: Remove the prototypes for regrename_optimize and
18296 copyprop_hardreg_forward.
18298 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18300 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18301 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18302 Test against the appropriate null constant for the mode.
18303 If 'fixup_overlap' is true, swap the operands if they overlap.
18304 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18305 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18306 alpha_split_tmode_pair and adjust for above change.
18307 * config/alpha/alpha.md (movtf_internal): Adjust call to
18308 alpha_split_tfmode_pair and rely on it to swap the operands.
18309 (movti_internal): New insn and post-reload splitter.
18310 (movti): New expander.
18312 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18314 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18317 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18319 * rtlanal.c (global_reg_mentioned_p_1,
18320 global_reg_mentioned_p): Remove.
18321 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18323 * flow.c (initialize_uninitialized_subregs): Make it static.
18324 * rtl.h: Remove the prototype for
18325 initialize_uninitialized_subregs.
18327 * function.c (instantiate_virtual_regs): Make it static.
18328 * function.h: Remove the prototype for
18329 instantiate_virtual_regs.
18331 * regmove.c (regmove_optimize, combine_stack_adjustments):
18333 * rtl.h: Remove the prototypes for regmove_optimize and
18334 combine_stack_adjustments.
18336 2006-01-17 Roger Sayle <roger@eyesopen.com>
18338 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18339 (size_cost): Encode costs in bytes so that a reg-reg addition is
18340 equivalent to COSTS_N_INSNS(1).
18341 (override_options): Use the size_cost.branch_cost as the default
18342 ix86_branch_cost when optimizing for size.
18344 2006-01-18 Ben Elliston <bje@au.ibm.com>
18346 * Makefile.in (D32PBIT_FUNCS): New.
18347 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18348 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18349 D64PBIT_FUNCS and D128PBIT_FUNCS.
18350 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18351 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18353 (decnumber_dep): Define.
18354 * doc/libgcc.texi (Decimal float library routines): New node.
18355 * config/dfp-bit.h, config/dfp-bit.c: New files.
18357 2006-01-18 Ben Elliston <bje@au.ibm.com>
18359 * expr.c (emit_move_change_mode): Always adjust addresses, not
18360 just during reload. Copy replacements only during reload.
18361 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18362 emit_move_via_integer.
18364 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18366 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18367 instead of $(srcdir) and ${srcdir}.
18369 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18372 PR middle-end/11135
18373 * arm.h (struct machine_function): Add pic_reg.
18374 * arm.c (arm_pic_register): Make unsigned.
18375 (arm_override_options): Only set arm_pic_register if
18376 TARGET_SINGLE_PIC_BASE.
18377 (use_return_insn): Only test for a pic register if it is fixed.
18378 (arm_compute_save_reg0_reg12_mask): Likewise.
18379 (thumb_compute_save_reg_mask): Likewise.
18380 (legitimate_pic_operand): Factor out some known invariants.
18381 (legitimize_pic_address): If we don't have a fixed pic register,
18382 then set up a pseudo in the function entry sequence. Handle the
18383 pic base being in a pseudo.
18384 (arm_load_pic_register): Handle the pic register being in a pseudo.
18385 (arm_expand_prologue): Only set up the pic register if it is fixed.
18386 (thumb_expand_prologue): Likewise.
18387 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18388 (pic_load_addr_based_insn): Likewise.
18389 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18392 2006-01-18 Ben Elliston <bje@au.ibm.com>
18394 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18395 decimal float modes for all floating point registers.
18397 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18398 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18400 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18403 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18404 even when the pointer is not NULL.
18406 2006-01-16 Ian Lance Taylor <ian@airs.com>
18408 * common.opt (ftoplevel-reorder): New option.
18409 * cgraph.c (cgraph_asm_nodes): New global variable.
18410 (cgraph_asm_last_node): New static variable.
18411 (cgraph_order): New global variable.
18412 (cgraph_create_node): Set new order field.
18413 (cgraph_varpool_node): Likewise.
18414 (decide_is_variable_needed): Return true if not
18415 flag_toplevel_reorder.
18416 (cgraph_add_asm_node): New function.
18417 * cgraph.h (struct cgraph_node): Add order field.
18418 (struct cgraph_varpool_node): Add order field.
18419 (struct cgraph_asm_node): Define.
18420 (cgraph_asm_nodes, cgraph_order): Declare.
18421 (cgraph_add_asm_node): Declare.
18422 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18424 (cgraph_varpool_assemble_pending_decls): Call it.
18425 (cgraph_output_pending_asms): New static function.
18426 (cgraph_finalize_compilation_unit): Call it.
18427 (struct cgraph_order_sort): Define.
18428 (cgraph_output_in_order): New static function.
18429 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18430 !flag_toplevel_reorder case.
18431 * c-parser.c: Include "cgraph.h".
18432 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18434 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18435 than -fno-unit-at-a-time.
18436 * doc/invoke.texi (Option Summary): Mention
18437 -fno-toplevel-reorder.
18438 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18439 -funit-at-a-time documentation.
18441 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18442 Kazu Hirata <kazu@codesourcery.com>
18444 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18446 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18448 * Makefile.in (FUNCTION_H): New. Use it instead of
18449 function.h throughout the file.
18450 * function.h: Include tree.h.
18452 2006-01-17 Ben Elliston <bje@au.ibm.com>
18454 * recog.c: Separate some functions with whitespace.
18456 2006-01-16 Richard Henderson <rth@redhat.com>
18458 Merge from gomp branch:
18459 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18460 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18461 and rename from struct inline_data. Rename callee* to dst*;
18462 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18463 transform_new_cfg, transform_return_to_modify, and
18464 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18466 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18467 (copy_decl_for_dup): Remove.
18468 * tree-inline.c (struct inline_data): Move to header.
18469 (insert_decl_map): Export.
18470 (remap_decl): Update for member name changes. Use copy_decl hook.
18471 Allow for replacement to be a non-decl. Remove dead code.
18472 (remap_type_1): Check for existing mapping.
18473 (remap_type): Export.
18474 (remap_decls): Update for member name changes.
18475 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18476 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18477 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18478 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18479 (tree_function_versioning, build_duplicate_type): Likewise.
18480 (copy_body_r): Likewise. Export.
18481 (copy_decl_for_dup): Split into ...
18482 (copy_decl_for_dup_finish, copy_decl_to_var,
18483 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18484 (replace_ref_tree, inlining_p): Remove.
18486 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18488 * ifcvt.c (if_convert): Make it static.
18489 * rtl.h: Remove the prototype for if_convert.
18491 * local-alloc.c (local_alloc): Make it static.
18492 * rtl.h: Remove the prototype for local_alloc.
18494 * loop.c (loop_optimize): Make it static.
18495 * cfgloop.h: Remove the prototype for loop_optimize.
18498 2006-01-16 DJ Delorie <dj@redhat.com>
18500 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18503 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18505 * pa.md: Disparage copies between general and floating-point registers
18506 in 32-bit move patterns.
18508 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18511 * Makefile.in (check-%): Depend on site.exp instead of
18512 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18517 * global.c (global_alloc): Make it static.
18518 * rtl.h: Remove the prototype for global_alloc.
18520 2006-01-16 Richard Guenther <rguenther@suse.de>
18522 * tree-ssa-alias.c (struct used_part): Add write_only field.
18523 (get_or_create_used_part_for): Initialize it to true.
18524 (create_overlap_variables_for): Don't create structure variables
18525 for structures that only are written to.
18526 (find_used_portions): Handle MODIFY_EXPR to track whether a
18527 structure is only written to.
18529 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18531 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18533 * basic-block.h: Remove the prototype for
18534 partition_hot_cold_basic_blocks.
18536 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18538 * cppspec.c (lang_specific_spec_functions): Remove.
18539 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18540 * gcc.h (lang_specific_spec_functions): Remove.
18541 * gccspec.c (lang_specific_spec_functions): Remove.
18543 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18545 * combine.c (record_value_for_reg): Invalidate registers
18547 (record_dead_and_set_regs_1): Likewise, by passing them to
18548 record_value_for_reg.
18549 (record_dead_and_set_regs): Invalidate stores made by a
18550 call. We do not combine across a call, but we still
18551 relied on equivalences.
18553 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18555 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18556 vrp_int_const_binop returning non-constant nodes.
18558 2006-01-16 Paul Brook <paul@codesourcery.com>
18560 * config/m68k/m68k.c (output_move_const_into_data_reg):
18561 Output correct mnemonic for mvz and mvs.
18563 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18565 * rtl-factoring.c: Add sequence abstraction algorithm.
18566 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18567 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18569 (block_has_preserve_label): New function.
18570 * common.opt: Register new pass.
18571 * Makefile.in: Ditto.
18573 * timevar.def: Ditto.
18574 * tree-pass.h: Ditto.
18575 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18576 * rtl.h (make_jump_insn_raw): Add forward decl.
18577 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18579 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18580 Roger Sayle <roger@eyesopen.com>
18582 * fold-const.c (fold_minmax): New static function.
18583 (fold_binary) <MIN_EXPR>: Call it.
18584 <MAX_EXPR>: Likewise.
18585 * stor-layout.c (place_field): Use DECL_SIZE consistently
18586 in the computation of the new record size.
18588 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18590 * cse.c (cse_condition_code_reg): Make it static.
18591 * rtl.h: Remove the prototype for cse_condition_code_reg.
18593 * combine.c (combine_instructions): Make it static.
18594 * rtl.h: Remove the prototype for combine_instructions.
18596 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18599 * tree.c (get_file_function_name_long): Concatenate the first global
18600 object name with a string derived from the input filename of the object
18603 2006-01-16 Ben Elliston <bje@au.ibm.com>
18605 * config/i386/winnt-stubs.c: Update FSF address.
18606 * config/xtensa/ieee754-df.S: Ditto.
18607 * config/xtensa/ieee754-sf.S: Ditto.
18609 2006-01-14 Ian Lance Taylor <ian@airs.com>
18611 * ifcvt.c (noce_init_if_info): New static function, broken out of
18612 noce_process_if_block.
18613 (noce_process_if_block): Call noce_init_if_info.
18614 (check_cond_move_block): New static function.
18615 (cond_move_process_if_block): New static function.
18616 (process_if_block): Call cond_move_process_if_block.
18618 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18620 * cselib.c (hash_table): Rename to cselib_hash_table.
18621 (cselib_clear_table, discard_useless_values,
18622 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18623 cselib_init, cselib_finish): Adjust uses of hash_table.
18625 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18627 PR tree-optimization/25485
18628 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18629 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18630 is known to be false and true, respectively.
18632 2006-01-14 Richard Guenther <rguenther@suse.de>
18634 PR tree-optimization/22548
18635 PR tree-optimization/22555
18636 PR tree-optimization/22501
18637 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18638 * params.def (salias-max-array-elements): New parameter.
18639 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18640 * doc/invoke.texi (salias-max-array-elements): Document.
18641 * tree-flow-inline.h (var_can_have_subvars): We also handle
18643 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18645 * tree-ssa-structalias.c (params.h): Include.
18646 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18647 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18648 (get_constraint_for): For ADDR_EXPR operating on something
18649 containing an ARRAY_REF, add all subvars to the solution.
18650 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18651 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18652 for creating MUST_DEFs.
18653 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18655 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18657 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18659 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18660 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18661 number_of_iterations_le): New functions.
18662 (number_of_iterations_special): Removed.
18663 (number_of_iterations_exit): Do not use number_of_iterations_special.
18664 * tree.c (unsigned_type_for): Always return integer type.
18666 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18667 Richard Guenther <rguenther@suse.de>
18669 PR rtl-optimization/24257
18670 * gcse.c (find_moveable_store): Only consider a store movable
18671 when the SET_SRC of the insn can be assigned to a register.
18673 2006-01-14 Ian Lance Taylor <ian@airs.com>
18675 * tree.c (tree_not_class_check_failed): New function.
18676 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18677 (tree_not_class_check_failed): Declare.
18679 2006-01-13 Ian Lance Taylor <ian@airs.com>
18681 * reload1.c (do_output_reload): Add assertion rejecting a
18684 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18686 * combine.c (struct reg_stat): Add new fields truncation_label and
18688 (record_value_for_reg): Reset truncated_to_mode.
18689 (record_truncated_value): New function.
18690 (check_promoted_subreg): Call it. Rename to check_conversions.
18691 (combine_instructions): Rename check_promoted_subreg to
18693 (reg_truncated_to_mode): New function.
18694 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18695 (gen_lowpart_or_truncate): New function.
18696 (force_to_mode): Use it instead of gen_lowpart.
18698 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18700 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18701 VAR is a tag, not its type tag.
18703 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18705 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18706 alternatives to match style of other entries.
18707 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18709 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18711 PR tree-optimization/25771
18712 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18715 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18718 * tree-inline.c (declare_return_variable): If the return variable
18719 was marked as a non gimple complex, set the return slot variable
18720 to be a non gimple comple variable.
18722 2006-01-13 Richard Guenther <rguenther@suse.de>
18724 * builtins.c (expand_builtin_sincos): New function.
18725 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18727 (expand_builtin): Expand sincos using expand_builtin_sincos.
18729 2006-01-12 DJ Delorie <dj@redhat.com>
18731 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18732 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18733 so that constant shifts can be split.
18734 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18735 (m32c_valid_pointer_mode): Make static.
18736 (shift_gen_func_for): New.
18737 (m32c_prepare_shift): Use it. Split large const shifts into
18739 * config/m32c/predicates.md (shiftcount_operand): Allow more
18741 (longshiftcount_operand): New.
18742 * doc/md.texi (Machine Constraints): Document In6.
18744 2006-01-13 Ben Elliston <bje@au.ibm.com>
18746 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18747 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18750 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18752 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18753 to try to avoid clobbering pieces of structures when we know
18754 something about the whole structure.
18755 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18757 2006-01-13 Ben Elliston <bje@au.ibm.com>
18759 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18760 return in memory, as this is no limitation is no longer present.
18762 2006-01-12 DJ Delorie <dj@redhat.com>
18764 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18765 mova with fb, and for fb+0 -> An.
18767 * config/m32c/mov.md (peephole2): Fix enabling logic.
18769 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18770 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18771 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18772 FINI_ARRAY_SECTION_ASM_OP): Define.
18774 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18776 (m32c_legitimize_reload_address): New logic to reload FB to An.
18777 (m32c_output_reg_push): Add newline.
18778 (m32c_output_reg_pop): Likewise.
18780 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18782 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18784 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18786 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18790 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18793 2006-01-11 Ben Elliston <bje@au.ibm.com>
18795 * rtlanal.c (find_reg_note): Assert insn is not null.
18797 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18799 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18802 2006-01-11 Jeff Law <law@redhat.com>
18804 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18806 (mark_threaded_blocks, register_jump_thread): New functions.
18807 (thread_through_all_blocks): Remove unwanted argument. No
18808 longer rely on e->aux to communicate thread target info.
18809 Call mark_threaded_blocks. Release the threaded_blocks
18810 bitmap and threaded_edges vector when complete.
18811 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18812 (threaded_blocks): Remove.
18813 (tree_ssa_dominator_optimize): Remove initialization and
18814 finalization of threaded_blocks. Simplify call to
18815 thread_through_all_blocks.
18816 (thread_across_edge): Call register_jump_thread rather than
18817 storing thread information into e->aux.
18818 (free_all_edge_infos): Simplify now that e->aux is no longer
18819 used to communicate with thread_through_all_blocks.
18820 * tree-flow.h (thread_through_all_blocks): Update prototype.
18821 (register_jump_thread): Prototype.
18823 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18825 * df-core.c (df_compact_blocks, df_bb_replace): Use
18826 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18828 2006-01-11 Richard Guenther <rguenther@suse.de>
18830 PR tree-optimization/25734
18831 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18832 stop propagation after successful propagation to the LHS.
18834 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18836 * basic-block.h (control_flow_graph): Change the type of
18837 x_basic_block_info to VEC(basic_block,gc) *.
18838 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18840 (SET_BASIC_BLOCK): New.
18841 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18842 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18843 * cfgbuild.c (find_basic_blocks): Likewise.
18844 * cfglayout.c (fixup_reorder_chain): Likewise.
18845 * cfgrtl.c (create_basic_block_structure,
18846 rtl_create_basic_block): Likewise.
18847 * ifcvt.c (find_if_case_1): Likewise.
18848 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18851 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18853 * Makefile.in: Removed rotted odf.c entry.
18855 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18858 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18859 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18860 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18861 output pattern modifier, not %e.
18862 * config/cris/cris.c (cris_op_str): Update comment about pattern
18864 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18865 before falling through into...
18866 <case 'E'>: Redefined from old 'e' case.
18868 2006-01-11 Jan Hubicka <jh@suse.cz>
18871 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18873 2006-01-11 Jan Hubicka <jh@suse.cz>
18875 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18876 * i386.c (x86_decompose_lea): Kill.
18877 (ix86_rtx_costs): Kill.
18879 2006-01-11 Jan Hubicka <jh@suse.cz>
18881 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18882 * cgraph.h (cgraph_node): Add inline_decl.
18883 (cgraph_insert_node_to_hashtable): Declare.
18884 (save_inline_function_body): Declare.
18885 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18887 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18888 (cgraph_function_versioning): Update call of tree_function_versioning.
18889 (save_inline_function_body): New function.
18890 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18891 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18892 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18893 (cgraph_default_inline_p): Likewise.
18894 (cgraph_decide_inlining_incrementally): Likewise.
18895 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18896 (copy_bb): Kill saving; do updating of clones.
18897 (copy_cfg_body): Kill saving.
18898 (initialize_inlined-parameters): Likewise.
18899 (expand_call_inline): Likewise.
18901 (tree_function_versioning): New parameter "update_clones".
18902 (inlining_p): Kill saving.
18903 * tree-inline.h (tree_function_versioning): Update prototype.
18904 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18907 2006-01-11 Ian Lance Taylor <ian@airs.com>
18909 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18910 Allow undoing set of machine mode.
18911 (do_SUBST): Use enums instead of is_int.
18912 (do_SUBST_MODE): New function.
18913 (SUBST_MODE): New macro.
18914 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18915 reg and trying to replace reg_regno_rtx with a new register.
18916 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18917 (simplify_set): Use SUBST_MODE.
18918 (distribute_notes): Remove code that tried to update reg notes
18919 for regno_reg_rtx changes.
18921 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18923 PR tree-optimization/23109
18924 PR tree-optimization/23948
18925 PR tree-optimization/24123
18927 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18928 * tree-cfg.c (single_noncomplex_succ): New.
18929 * tree-flow.h (single_noncomplex_succ): Declare it.
18930 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18931 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18932 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18933 insert_bb, register_division_in, insert_reciprocals,
18934 replace_reciprocal, free_bb): New.
18935 (execute_cse_reciprocals_1): Rewritten.
18936 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18937 Do not commit any edge insertion. Always compute dominators and
18938 create the allocation pool.
18939 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18940 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18941 * targhooks.c (default_min_divistions_for_recip_mul): New.
18942 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18943 * passes.c (init_optimization_passes): Run recip after tree loop
18945 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18947 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18948 Kenneth Zadeck <zadeck@naturalbridge.com>
18950 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18951 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18952 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18953 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18954 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18955 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18956 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18957 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18958 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18959 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18960 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18961 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18962 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18963 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18964 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18965 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18966 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18967 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18968 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18969 DF_SCAN_POST_ALLOC): New macros.
18970 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18971 df_free_bb_function, df_local_compute_function, df_init_function,
18972 df_dataflow_function, df_confluence_function_0,
18973 df_confluence_function_n, df_transfer_function,
18974 df_finalizer_function, df_free_function, df_dump_problem_function,
18975 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18976 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18977 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18978 df_urec_bb_info, ) New types.
18979 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18981 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18982 df_analyze_simple_change_some_blocks,
18983 df_analyze_simple_change_one_block, df_compact_blocks,
18984 df_bb_replace, df_bb_regno_last_use_find,
18985 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18986 df_insn_regno_def_p, df_find_def, df_find_use,
18987 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18988 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18989 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18990 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18991 debug_df_chain, df_get_dependent_problem, df_chain_create,
18992 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18993 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18994 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18995 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18996 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18997 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18998 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18999 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19000 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19001 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19002 df_reorganize_refs, df_set_state, df_hard_reg_init,
19003 df_read_modify_subreg_p) New public functions.
19004 * df-core.c: The core dataflow solver and glue routines for rtl
19006 (df_init, df_add_problem, df_set_blocks, df_finish,
19007 df_hybrid_search_forward, df_hybrid_search_backward,
19008 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19009 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19010 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19011 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19012 df_reg_defined, df_find_use, df_reg_used, df_dump,
19013 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19014 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19015 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19016 debug_df_useno, reset_df_after_reload): New functions.
19017 * df-scan.c: The scanning fuctions, once in df.c, completely
19018 rewritten so that they now fully model the functionality of
19019 register usage at the backend.
19020 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19021 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19022 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19023 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19024 df_get_artificial_defs, df_get_artificial_uses,
19025 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19026 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19027 df_refs_delete, df_reorganize_refs, df_set_state,
19028 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19029 df_def_record_1, df_defs_record, df_uses_record,
19030 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19031 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19032 df_record_exit_block_uses, df_hard_reg_init): New functions.
19034 * df-problems.c: Seven concrete dataflow problems that use the
19035 scanning in df-scan.c and are solved by the engine in df-core.c.
19036 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19037 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19038 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19039 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19040 df_ru_free_bb_info, df_ru_alloc,
19041 df_ru_bb_local_compute_process_def,
19042 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19043 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19044 df_ru_transfer_function, df_ru_free, df_ru_dump,
19045 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19046 df_rd_free_bb_info, df_rd_alloc,
19047 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19048 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19049 df_rd_transfer_function, df_rd_free, df_rd_dump,
19050 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19051 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19052 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19053 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19054 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19055 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19056 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19057 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19058 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19059 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19060 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19061 df_urec_mark_reg_use_for_earlyclobber,
19062 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19063 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19064 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19065 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19066 df_chain_create_bb_process_use, df_chain_create_bb,
19067 df_chain_finalize, df_chain_free, df_chains_dump,
19068 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19069 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19070 df_reg_lifetime): New functions.
19071 * df.c: Deleted file.
19072 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19073 consistent with new df api.
19074 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19075 rest_of_handle_sms): Ditto.
19076 * web.c (unionfind_union, union_defs, entry_register, web_main):
19078 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19079 invariant_expr_equal_p, find_defs, check_dependencies,
19080 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19081 free_inv_motion_data, move_loop_invariants): Ditto.
19082 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19083 Update dependencies.
19084 (odf.c): Added defective entry that was deleted later in day.
19085 * sched-deps.c (sched_analyze_1): Ditto.
19087 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19089 * tree-ssa-operands.c (get_expr_operands): Record addressable
19090 variables directly. Do not call add_stmt_operands for CONST_DECLs
19092 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19093 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19095 2006-01-11 Ben Elliston <bje@au.ibm.com>
19097 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19098 function returns true in the positive case.
19100 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19103 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19104 for SI, DI, SF and DF modes. Add alternatives to copy between
19105 general and floating point registers to the 32-bit patterns.
19106 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19107 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19108 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19109 generating 64-bit code.
19110 * config/pa/pa.c (output_move_double): Handle copies between general
19111 and floating registers.
19113 2006-01-10 Stuart Hastings <stuart@apple.com>
19115 * config/i386/i386.md (set_got): Update.
19116 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19117 (builtin_setjmp_receiver): Mach-O support.
19118 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19119 (GOT_SYMBOL_NAME): Define.
19120 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19121 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19122 * config/i386/i386.c (override_options): Revise for Darwin.
19123 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19124 support. (darwin_x86_file_end): New. (output_set_got): Add label
19125 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19126 * config/i386/i386-protos.h (output_set_got): Likewise.
19127 * config/darwin.c (machopic_legitimize_pic_address): Update
19130 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19132 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19133 when MODE isn't BLKmode.
19135 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19137 PR rtl-optimization/25367
19138 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19140 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19143 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19144 for a negative bound.
19146 2006-01-10 Richard Guenther <rguenther@suse.de>
19148 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19149 Never override with anything constraint.
19151 2006-01-10 Jan Beulich <jbeulich@novell.com>
19153 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19154 256 bits when optimize_size.
19156 2006-01-10 Jan Beulich <jbeulich@novell.com>
19158 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19160 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19161 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19164 2006-01-10 Ben Elliston <bje@au.ibm.com>
19166 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19168 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19169 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19170 (USE_FP_FOR_ARG): Reject decimal float modes.
19171 (function_arg_advance): Likewise.
19172 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19173 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19174 point types in AltiVec vectors.
19175 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19176 (rs6000_libcall_value): Likewise.
19178 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19180 * config/xtensa/ieee754-df.S: New file.
19181 * config/xtensa/ieee754-sf.S: New file.
19182 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19183 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19184 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19186 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19188 * config/sh/predicates.md (binary_float_operator,
19189 binary_logical_operator, commutative_float_operator,
19190 equality_comparison_operator, greater_comparison_operator,
19191 less_comparison_operator, logical_operator,
19192 noncommutative_float_operator, shift_operator,
19193 symbol_ref_operand, unary_float_operator): Remove redundant
19196 2006-01-09 Jeff Law <law@redhat.com>
19198 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19199 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19200 now unused arguments. Callers updated.
19201 (eliminate_redundant_computations): Remove now unused arguments,
19203 (local_fold): Remove, no longer used.
19204 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19206 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19207 (simplify_cond): New function.
19208 (forward_propagate_into_cond): Call simplify_cond.
19210 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19212 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19213 (*vec_extractv2di_1_sse): New.
19215 2006-01-09 Ben Elliston <bje@au.ibm.com>
19217 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19219 2006-01-08 Richard Guenther <rguenther@suse.de>
19221 * tree-ssa-structalias.c (get_constraint_for): Remove
19222 anyoffset argument.
19223 (get_constraint_for_component_ref): Likewise.
19224 (do_deref): Likewise.
19225 (get_constraint_for): Likewise.
19226 (do_structure_copy): Likewise.
19227 (handle_ptr_arith): Likewise.
19228 (find_func_aliases): Likewise. Remove unused need_anyoffset
19231 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19232 Kaz Kojima <kkojima@gcc.gnu.org>
19234 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19235 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19236 (EXTRA_CONSTRAINT_C16): Remove.
19237 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19238 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19239 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19240 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19241 constants of SHmedia. Handle nested constant expressions of
19243 (andcosts): Fix the costs for SHmedia constants.
19244 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19245 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19246 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19247 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19248 (movv4hi_i, movv2si_i): Likewise.
19249 (movsi_const): Adjust the second operand of ior so to match with
19250 the Csu constraint.
19251 (movdi_const, movdi_const_32bit): Likewise.
19252 (movdi_const_16bit+1): Don't sign-extend LOW.
19253 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19255 (*double_shori): Fix the split condition. Use GEN_INT instead
19256 of get_int_mode calls. Mask lower 16-bit of the argument of
19258 (sym2GOTPLT): Remove.
19259 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19261 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19262 instead of EXTRA_CONSTRAINT_C16.
19264 2006-01-07 Ian Lance Taylor <ian@airs.com>
19265 David Edelsohn <edelsohn@gnu.org>
19267 PR rtl-optimization/25662
19268 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19269 for constant operands instead of simplify_gen_binary.
19270 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19271 after trying simplify_binary_operation
19273 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19275 * tree.c (iterative_hash_expr): Hash decls based on UID.
19277 2006-01-06 Eric Christopher <echristo@apple.com>
19279 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19280 (TARGET_UNWIND_EMIT): Fix spelling.
19281 * target.h (gcc_target): Add except_table_label.
19282 * except.c (output_function_exception_table): Use.
19283 * varasm.c (default_emit_except_table_label): New.
19284 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19286 (asm_out): Add here.
19287 * output.h (default_emit_except_table_label): Prototype.
19288 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19289 * config/darwin.c (darwin_emit_except_table_label): Define.
19290 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19292 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19294 PR tree-optimization/18527
19295 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19296 number_of_iterations_special, number_of_iterations_exit):
19297 Move base and step of an iv to a single structure. Add
19298 no_overflow flag, and use it in # of iterations analysis.
19299 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19300 folded_casts argument.
19301 (simple_iv): Pass base and step in a structure. Set no_overflow
19303 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19304 Evaluate expensiveness of computing # of iterations instead of
19305 the final expression.
19306 * tree-scalar-evolution.h (affine_iv): New structure.
19307 (simple_iv): Declaration changed.
19308 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19309 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19310 find_givs_in_stmt): Changed due to simple_iv change.
19312 2006-01-06 Jeff Law <law@redhat.com>
19315 * tree-cfg.c (bsi_replace): Rename final argument from
19316 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19317 change (stmt -> orig_stmt).
19318 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19319 (bsi_remove): Add new argument. Remove EH information
19321 (verify_eh_throw_table_statements): New function.
19322 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19324 * tree-optimize.c (execute_free_cfg_annotations): Verify
19325 the EH throw statement table after removing annotations.
19326 * except.h (verify_eh_throw_table_statements): Prototype.
19327 * tree-flow.h (bsi_remove): Update prototype.
19328 * tree-vrp.c (remove_range_assertions): Add new argument to
19330 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19331 * tree-complex.c (expand_complex_div_wide): Likewise.
19332 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19333 * tree-tailcall.c (eliminate_tailcall): Likewise.
19334 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19335 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19336 * tree-nrv.c (tree_nrv): Likewise.
19337 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19338 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19339 (combine_blocks): Likewise.
19340 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19341 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19342 (cleanup_control_flow): Likewise.
19343 (remove_forwarder_block): Likewise.
19344 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19345 * tree-sra.c (sra_replace): Likewise.
19346 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19347 (forward_propagate_single_use_vars): Likewise.
19348 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19349 * tree-inline.c (expand_call_inline): Likewise.
19350 * tree-vect-transform.c (vect_transform_loop): Likewise.
19351 * tree-outof-ssa.c (rewrite_trees): Likewise.
19352 * tree-cfg.c (make_goto_expr_edges): Likewise.
19353 (cleanup_dead_labels): Likewise.
19354 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19355 (bsi_move_before, bsi_move_after): Likewise.
19356 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19357 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19359 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19362 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19364 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19365 on non gimple variables. Also add checks at the top for decls and
19367 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19369 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19370 and IMAGPART_EXPR for creating MUST_DEFs.
19371 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19372 and NAME_MEMORY_TAG separately from the DECLs.
19374 2006-01-06 Richard Guenther <rguenther@suse.de>
19376 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19377 annotation, if necessary.
19378 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19379 redundant calls to update_stmt.
19380 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19383 2006-01-05 Richard Henderson <rth@redhat.com>
19385 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19387 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19389 * c-typeck.c: Update copyright date.
19391 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19393 * c-typeck.c (build_c_cast): Always warn when casting
19394 from a pointer to an integer of different size, even if
19395 the node was constant.
19397 2006-01-05 Richard Guenther <rguenther@suse.de>
19399 PR tree-optimization/22555
19400 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19401 if one structure field is an array.
19402 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19403 operands even if we found a subvar, but ignore VOPs in this
19405 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19407 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19409 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19411 PR middle-end/24998
19412 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19414 2006-01-05 Richard Guenther <rguenther@suse.de>
19415 Diego Novillo <dnovillo@redhat.com>
19417 * tree-pass.h (TODO_remove_unused_locals): Define.
19418 * gimple-low.c (expand_var_p, remove_useless_vars,
19419 pass_remove_useless_vars): Remove. Update all users.
19420 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19421 (remove_unused_locals): New function.
19422 * tree-flow.h (remove_unused_locals): Declare.
19423 * passes.c (execute_todo): Call remove_unused_locals if
19424 TODO_remove_unused_locals is set.
19425 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19426 * tree-ssa-dce.c (pass_dce): Likewise.
19427 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19429 2006-01-05 Richard Guenther <rguenther@suse.de>
19431 * tree-flow.h (struct fieldoff): Decompose field to
19432 type, size and decl.
19433 * tree-ssa-alias.c (create_sft): Take type as parameter.
19434 (create_overlap_variables_for): Store type, size and decl
19435 in the fieldoff structure.
19436 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19437 of struct fieldoff.
19438 (push_fields_onto_fieldstack): Likewise.
19439 (create_variable_info_for): Likewise. Use offset for the
19440 SFT name if the decl is not available.
19442 2006-01-04 Paul Brook <paul@codesourcery.com>
19444 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19446 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19448 * lambda-code.c (can_put_in_inner_loop): Relax
19450 (can_put_after_inner_loop): New function.
19451 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19452 (perfect_nestify): Change to make copies and modify uses.
19454 2006-01-04 Richard Henderson <rth@redhat.com>
19456 Merge from gomp branch:
19457 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19458 via integer constant.
19459 (pragma_lex): Remove.
19460 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19461 rather than parsing it.
19462 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19463 handle_pragma_extern_prefix): Add %< %> quotes.
19464 (registered_pragmas): New.
19465 (c_register_pragma_1): New.
19466 (c_register_pragma): Use it.
19467 (c_register_pragma_with_expansion): Likewise.
19468 (c_invoke_pragma_handler): New.
19469 (init_pragma): Use cpp_register_deferred_pragma directly for
19471 * c-pragma.h (enum pragma_kind): New.
19472 (pragma_handler): New.
19473 (c_invoke_pragma_handler): Declare.
19474 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19476 * c-common.h (c_common_pch_pragma): Update decl.
19477 * Makefile.in (c-parser.o): Update dependencies.
19478 (GTFILES): Add c-pragma.h.
19479 * c-parser.c (struct c_token): Add pragma_kind.
19480 (struct c_parser): Add in_pragma.
19481 (c_lex_one_token): Always initialize keyword and pragma_kind.
19482 Extract data for CPP_PRAGMA.
19483 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19484 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19485 Don't allow CPP_PRAGMA_EOL if in_pragma.
19486 (c_parser_consume_pragma): New.
19487 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19488 (c_parser_skip_to_end_of_parameter): Likewise.
19489 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19490 (c_parser_skip_to_pragma_eol): New.
19491 (c_parser_external_declaration): Handle CPP_PRAGMA.
19492 (c_parser_compound_statement_nostart): Likewise.
19493 (c_parser_statement_after_labels): Likewise.
19494 (c_parser_pragma): New.
19495 (pragma_lex): Likewise.
19496 (c_parser_pragma_pch_preprocess): New.
19497 (c_parser_new): Merge into ...
19498 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19500 2006-01-04 Jeff Law <law@redhat.com>
19503 * tree-cfg.c (bsi_replace): Remove the original statement
19504 from the EH throw statement table.
19506 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19508 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19509 make the prototype extern "C" and add throw ().
19512 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19513 and pos non-negative and pos + len <= 32.
19514 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19515 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19516 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19519 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19520 as well as sizes not multiple of component size.
19523 * function.c (instantiate_expr): New function.
19524 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19525 walk its DECL_VALUE_EXPR with instantiate_expr.
19527 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19528 DW_OP_deref{,_size} if address isn't going to be added.
19530 2006-01-04 Ben Elliston <bje@au.ibm.com>
19532 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19533 * config/fp-bit.c: Likewise.
19535 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19537 * dominance.c: Add comment about why we use DFS numbering
19540 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19541 Richard Henderson <rth@redhat.com>
19543 Merge from gomp-branch:
19544 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19545 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19547 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19549 PR rtl-optimization/25578
19550 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19551 pass a parameter to simplify_shift_const if changing ASHIFTRT
19554 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19556 * builtins.c (get_builtin_sync_mem): New function.
19557 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19558 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19559 Call get_builtin_sync_mem to generate mem rtx.
19561 2006-01-03 Richard Guenther <rguenther@suse.de>
19564 * stmt.c (add_case_node): Make sure to clear overflow flags
19567 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19569 Merge from gomp-branch.
19570 * config/sparc/sync.md: New file.
19571 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19572 UNSPECV_LDSTUB): New constants.
19573 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19574 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19575 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19578 2006-01-03 Roger Sayle <roger@eyesopen.com>
19580 * combine.c (reg_subword_p): New predicate to test whether the
19581 destination of a set refers to a subword/piece of a register.
19582 (try_combine): Generalize the code to merge the setting of a
19583 pseudo to a constant followed by a set of a subword of that
19584 register to a constant.
19586 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19588 * basic-block.h (control_flow_graph): Change the type of
19589 x_label_to_block_map to VEC(basic_block,gc) *.
19590 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19591 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19593 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19594 VEC(basic_block,heap) *.
19595 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19596 ssa_prop_fini): Adjust the uses of cfg_blocks.
19598 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19600 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19602 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19603 hashing trees instead of a pointer hash.
19604 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19605 compare for MEM_EXPR.
19607 PR rtl-optimization/25130
19608 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19609 when comparing MEMs for GCSE
19611 2006-01-03 Ben Elliston <bje@au.ibm.com>
19613 * targhooks.h (default_decimal_float_supported_p): Declare.
19614 * targhooks.c (default_decimal_float_supported_p): Define.
19615 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19616 `default_decimal_float_supported_p'.
19617 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19619 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19621 * combine.c (apply_distributive_law <SUBREG>): Check
19622 TRULY_NOOP_TRUNCATION.
19624 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19626 * dwarf2out.c (have_switched_text_section): Delete.
19627 (have_multiple_function_sections): New.
19628 (have_location_lists): Make 'bool'.
19629 (add_AT_loc_list): Use 'true' not '1'.
19630 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19631 (output_loc_list): Use have_multiple_function_sections.
19632 (output_ranges): Likewise.
19633 (dwarf2out_begin_function): Set have_multiple_function_sections if
19635 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19636 Check function_section rather than DECL_SECTION_NAME.
19637 (dwarf2out_finish): Use have_multiple_function_sections.
19638 Don't clear have_location_lists.
19640 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19641 Jan Hubicka <jh@suse.cz>
19643 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19644 case of conditional jump jumping to the next instruction.
19645 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19646 cases of conditional jump jumping to the next instruction.
19648 2006-01-02 Jan Hubicka <jh@suse.cz>
19650 * i386.c (*_cost): Add COSTS_N_INSNS.
19651 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19653 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19656 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19658 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19660 * config/arm/arm.c (all_fpus): Fix comment typo.
19661 * config/darwin.c: Likewise.
19662 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19663 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19664 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19666 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19668 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19669 (rs6000_split_compare_and_swapqhi): New.
19670 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19671 (sync_compare_and_swapqhi_internal): New.
19672 * config/rs6000/rs6000-protos.h: Declare.