1 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
4 -ffixed-line-length-* options.
6 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
8 config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
9 (fprem1xf4): Rename to fprem1xf4_i387.
11 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
12 Rename patterns to fmod<mode>3. Use general_operand operand
13 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
14 patterns for SSE math.
15 (remaindersf3, remainderdf3): Ditto.
17 2006-11-25 Joseph Myers <joseph@codesourcery.com>
19 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
20 inside start_sequence / end_sequence pair.
22 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
24 * jump.c (mark_all_labels): Work in cfglayout mode.
25 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
26 when in cfglayout mode, because there are no dead jumptables
28 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
30 (commit_edge_insertions): Do not allow insertion of instructions
31 with control flow insns when in cfglayout mode.
33 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
35 * tree-vrp.c (execute_vrp): Do not pass loops structure through
37 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
38 unswitch_loop): Ditto.
39 * tree-loop-linear.c (linear_transform_loops): Ditto.
40 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
42 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
43 free_numbers_of_iterations_estimates): Ditto.
44 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
45 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
46 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
47 remove_path, add_loop, loopify, unloop, fix_loop_placements,
48 place_new_loop, duplicate_loop, duplicate_subloops,
49 update_single_exit_for_duplicated_loops, copy_loops_to,
50 duplicate_loop_to_header_edge, create_preheaders,
51 force_single_succ_latches, loop_version, fix_loop_structure):
53 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
54 tree_unroll_loop): Ditto.
55 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
56 * tree-scalar-evolution.c (select_loops_exit_conditions,
57 scev_initialize, scev_analysis): Ditto.
58 * tree-scalar-evolution.h (scev_initialize): Ditto.
59 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
60 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
61 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
62 * modulo-sched.c (sms_schedule): Ditto.
63 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
64 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
65 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
66 * ifcvt.c (if_convert): Ditto.
67 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
68 canonicalize_loop_induction_variables,
69 canonicalize_induction_variables,
70 tree_unroll_loops_completely, remove_empty_loops): Ditto.
71 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
72 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
73 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
74 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
75 tree_ssa_loop_done): Ditto.
76 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
77 estimate_bb_frequencies): Ditto.
78 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
79 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
80 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
81 decide_unrolling_and_peeling, peel_loop_completely,
82 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
83 peel_loop_simple, unroll_loop_stupid): Ditto.
84 * loop-doloop.c (doloop_optimize_loops): Ditto.
85 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
86 * loop-invariant.c (move_loop_invariants): Ditto.
87 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
88 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
89 tree_ssa_prefetch_arrays): Ditto.
90 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
92 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
93 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
94 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
95 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
96 verify_loop_structure): Ditto.
97 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
98 canonicalize_induction_variables, tree_unroll_loops_completely,
99 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
100 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
101 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
102 tree_unroll_loop, linear_transform_loops): Declaration changed.
103 * basic-block.h: Remove declaration of struct loops.
104 * cfghooks.h (struct cfg_hooks): Change type of
105 cfg_hook_duplicate_loop_to_header_edge.
106 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
107 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
108 vect_transform_loop): Declaration changed.
109 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
110 * cfgloop.h (flow_loops_dump, fix_loop_structure,
111 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
112 cancel_loop_tree, create_preheaders, force_single_succ_latches,
113 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
114 loopify, loop_version, remove_path, unswitch_loops,
115 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
118 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
120 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
121 (X87MODEF): New mode macro.
122 (ssemodefsuffix): New mode attribute.
123 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
124 (sqrt_extend<mode>xf2_i387): New insn pattern.
125 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
126 insn and truncate result back to original mode using
127 UNSPEC_TRUNC_NOOP truncation.
128 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
129 ssemodefsuffix mode attribute.
130 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
131 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
132 (*sqrtextenddfxf2_i387): Remove insn patterns.
134 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
137 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
139 2006-11-24 Jakub Jelinek <jakub@redhat.com>
142 * c-tree.h (c_maybe_initialize_eh): New prototype.
143 * c-decl.c (finish_decl): Move EH initialization...
144 (c_maybe_initialize_eh): ... here. New function.
145 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
146 if not #pragma omp atomic.
149 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
150 or UNION_TYPE inner types.
152 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
155 * ipa-pure-const.c (check_tree): If the original tree
156 is volatile return early and say the function is not pure
157 nor const. Remove the volatile check for writes.
158 (analyze_function): Print out the result of the local
161 2006-11-24 Joseph Myers <joseph@codesourcery.com>
163 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
165 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
166 * config/rs6000/rs6000.c (rs6000_override_options): Use
167 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
170 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
172 * config/s390.c (s390_emit_compare_and_swap): New function.
173 (s390_expand_cs_hqi, s390_expand_atomic): Call
174 s390_emit_compare_and_swap.
176 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
178 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
180 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
184 * c-common.c (conversion_warning): New.
185 (convert_and_check): Call conversion_warning unless there is an
187 * doc/invoke.texi (-Wconversion): Update description.
189 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
191 * tree-ssa-alias.c (tree_pointer_compare): New function.
192 (compact_name_tags): New function.
193 (group_aliases): Call compact_name_tags.
195 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
197 * real.h (real_isinteger): Declare.
198 * real.c (real_isinteger): Define.
199 * builtins.c (integer_valued_real_p): Use it.
201 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
204 * c.opt (Wtraditional-conversion): New.
205 (Wconversion): Update description.
206 * c-typeck.c (convert_arguments): Warnings for prototypes causing
207 type conversions different from what would happen in the absence
208 of prototype are now handled by Wtraditional-conversion.
209 * doc/invoke.texi (Wtraditional-conversion): New.
210 (Wconversion): Update description.
211 * doc/trouble.texi (Wconversion): Replace Wconversion by
212 Wtraditional-conversion.
214 2006-11-23 Andrew Pinski <pinskia@gmail.com>
216 * predict.c (tree_estimate_probability): Check to make
217 sure current_loops is non null before calling flow_loops_dump.
219 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
221 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
223 2006-11-23 David Ung <davidu@mips.com>
225 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
227 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
228 (ASM_SPEC): Pass along -mfp32 and -mfp64.
229 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
230 high part of FP register when in 64-bit FP register mode. Similarly
231 use gen_mfhc1 to load high part of FP register.
232 (override_options): Allow -mgp32 and -mfp64 combination if
233 ISA_HAS_MXHC1 (currently for O32 only).
234 (mips_cannot_change_mode_class): If floating-point registers are
235 bigger than word size. disallow conversion of float register from a
236 large integer mode to a float mode smaller than the float register
238 (mips_class_max_nregs): Handle float registers case seperately.
239 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
241 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
242 (movdf_hardfloat_32bit): Similarly.
243 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
244 support a full 64-bit fpu.
245 (mthc1): New pattern to generate MTHC1 instruction.
246 (mfhc1): New pattern to generate MFHC1 instruction.
247 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
248 option for the MIPS32R2 and mention its use under O32 ABI.
250 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
252 * var-tracking.c (emit_note_insn_var_location): Take care not to
253 cause verify_flow_info failures.
255 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
257 * tree-ssa-structalias.c: Remove edge weights in favor of just
258 processing them as complex constraints.
259 (struct constraint_graph): Remove weighted succs and preds. Rename
260 nonweighted succs and preds.
261 (constraint_edge): Removed.
262 (constraint_edge_t): Ditto.
263 (constraint_edge_pool): Ditto.
264 (new_constraint_edge): Ditto.
265 (constraint_edge_equal): Ditto.
266 (constraint_edge_less): Ditto.
267 (constraint_edge_vec_find): Ditto.
268 (erase_self_graph_edge): Ditto.
269 (add_graph_edge): Removed.
270 (get_graph_weights): Ditto.
271 (allocate_graph_weights): Ditto.
272 (valid_weighted_graph_edge): Ditto
273 (bitmap_other_than_zero_bit_set): Ditto.
274 (int_add_graph_edge): Renamed to add_graph_edge.
275 (clear_edges_for_node): Remove support for weighted edges.
276 (merge_graph_nodes): Ditto.
277 (valid_graph_edge): Ditto.
278 (build_constraint_graph): Ditto.
280 (collapse_nodes): Ditto.
281 (process_unification_queue): Ditto.
283 (do_ds_constraint): Ditto.
284 (perform_var_subsitution): Ditto.
285 (solve_graph): Ditto.
286 (init_alias_vars): Ditto.
287 (delete_points_to_sets): Ditto.
288 (do_complex_constraint): Support offsetted copies here.
290 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
292 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
294 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
296 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
299 2006-11-23 Ben Elliston <bje@au.ibm.com>
301 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
303 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
305 PR tree-optimization/29921
306 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
307 signed and unsigned zero equal.
309 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
311 * config/rs6000/rs6000.c (get_store_dest): New.
312 (adjacent_mem_locations): Use get_store_dest() to get
313 the rtl of the store destination.
315 2006-11-22 Joseph Myers <joseph@codesourcery.com>
317 * config/rs6000/spe.md (SPE64): New mode macro.
318 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
320 (mov_si<mode>_e500_subreg0_2): New.
321 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
323 (mov_si<mode>_e500_subreg4_2): New.
324 * config/rs6000/predicates.md (input_operand): Do not allow
325 invalid E500 subregs.
326 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
328 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
329 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
330 involving vector modes if TARGET_SPE.
332 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
335 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
336 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
338 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
340 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
341 mem_i_address_operand): New predicates.
342 * config/bfin/bfin.c (bfin_issue_rate): New function.
343 (TARGET_SCHED_ISSUE_RATE): New macro.
344 * config/bfin/bfin.md (addrtype): New attribute.
345 (slot0, slot1, slot2, store, pregs): New cpu_units.
346 (core): Now a define_reservation.
347 (alu): Remove some insn types from this reservation.
348 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
350 (dummy reservation): Don't trigger for mcld insns.
351 (absence_sets): Two new absence sets to enforce slot ordering.
352 (popsi_insn): Set addrtype.
354 2006-11-22 Ira Rosen <irar@il.ibm.com>
356 * doc/c-tree.texi: Document new tree codes.
357 * doc/md.texi: Document new optabs.
358 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
360 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
361 * optabs.h (optab_index): Add new.
362 (vec_extract_even_optab, vec_extract_odd_optab,
363 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
364 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
365 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
367 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
368 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
369 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
370 along with macros for their access.
371 * tree-data-ref.h (first_location_in_loop, data_reference): Update
373 * tree-vect-analyze.c (toplev.h): Include.
374 (vect_determine_vectorization_factor): Fix indentation.
375 (vect_insert_into_interleaving_chain,
376 vect_update_interleaving_chain, vect_equal_offsets): New functions.
377 (vect_analyze_data_ref_dependence): Add argument for interleaving
378 check. Check for interleaving if it's true.
379 (vect_check_dependences): New function.
380 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
381 every ddr. Call vect_analyze_data_ref_dependence with new argument.
382 (vect_update_misalignment_for_peel): Update for interleaving.
383 (vect_verify_datarefs_alignment): Check only first data-ref for
385 (vect_enhance_data_refs_alignment): Update for interleaving. Check
386 only first data-ref for interleaving.
387 (vect_analyze_data_ref_access): Check interleaving, update
389 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
390 with different parameters.
391 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
392 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
393 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
394 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
395 Update step in case of interleaving.
396 (vect_strided_store_supported, vect_permute_store_chain): New
398 (vectorizable_store): Handle strided stores.
399 (vect_strided_load_supported, vect_permute_load_chain,
400 vect_transform_strided_load): New functions.
401 (vectorizable_load): Handle strided loads.
402 (vect_transform_stmt): Add argument. Handle strided stores. Check
403 that vectorized stmt exists for patterns.
404 (vect_gen_niters_for_prolog_loop): Update calculation for
406 (vect_transform_loop): Remove stmt_vec_info for strided stores after
407 whole chain vectorization.
408 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
409 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
410 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
411 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
412 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
414 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
416 * cse.c (enum taken): Remove PATH_AROUND.
417 (addr_affects_sp_p, invalidate_skipped_set,
418 invalidate_skipped_block): Remove.
419 (cse_end_of_basic_block): Remove skip_blocks and related code.
420 (cse_main): Don't test for flag_cse_skip_blocks.
421 Update cse_end_of_basic_block call.
422 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
423 code to lengthen the path if a jump was simplified.
425 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
427 PR rtl-optimization/29924
428 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
429 (unroll_loop_runtime_iterations): Assert that the argument passed to
430 split_edge_and_insert is not NULL.
431 * loop-doloop.c (add_test): Ditto.
433 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
435 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
437 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
438 * cfgloopmanip.c (update_single_exits_after_duplication,
439 update_single_exit_for_duplicated_loop, loop_version): Ditto.
440 * tree-scalar-evolution.c (get_loop_exit_condition,
441 get_exit_conditions_rec, loop_closed_phi_def,
442 number_of_iterations_in_loop, scev_const_prop): Ditto.
443 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
444 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
446 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
448 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
449 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
450 slpeel_make_loop_iterate_ntimes,
451 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
452 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
454 * tree-if-conv.c (if_convertible_loop_p): Ditto.
455 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
456 vect_analyze_loop_form): Ditto.
457 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
458 can_convert_to_perfect_nest, perfect_nestify): Ditto.
459 * tree-vect-transform.c (vect_create_epilog_for_reduction,
460 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
461 vect_transform_loop): Ditto.
462 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
463 (single_exit, set_single_exit): New functions.
464 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
465 (single_exit, set_single_exit): Declare.
466 * doc/loop.texi: Undocument single_exit field. Document single_exit
469 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
471 PR tree-optimization/29902
472 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
473 any involved ssa name appears in abnormal phi node.
475 2006-11-21 Bob Wilson <bob.wilson@acm.org>
477 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
478 (xtensa_const_ok_for_letter_p): Delete.
479 (xtensa_extra_constraint): Delete.
480 (override_options): Delete xtensa_char_to_class initialization.
481 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
482 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
483 (EXTRA_CONSTRAINT): Delete.
484 * config/xtensa/xtensa.md: Include constraints.md.
485 (call_internal): Combine alternatives.
486 (call_value_internal): Likewise, and remove invalid constraints.
487 * config/xtensa/constraints.md: New file.
488 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
489 (xtensa_extra_constraint): Delete.
490 * doc/md.texi (Machine Constraints): Refer to constraints.md for
493 2006-11-21 Janis Johnson <janis187@us.ibm.com>
495 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
496 of conversion that doesn't fit.
498 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
499 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
500 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
502 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
504 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
506 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
508 2006-11-21 Richard Guenther <rguenther@suse.de>
510 * tree-vectorizer.h (NUM_PATTERNS): Increase.
511 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
512 vect_recog_pow_pattern.
513 (vect_recog_pow_pattern): New function.
515 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
517 * config/bfin/bfin.opt (mstack-check-l1): New.
518 * doc/invoke.texi (Blackfin Options): Document it.
519 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
520 stack bounds in L1 memory if the new option is enabled.
521 (override_options): Don't allow combinations of -fstack-limit and
523 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
526 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
528 (bfin_register_move_cost): Bump costs if trying to move plain
529 integer values through accumulators.
531 2006-11-21 Ben Elliston <bje@au.ibm.com>
533 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
535 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
536 Russell Olsen <Russell_Olsen@playstation.sony.com>
537 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
538 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
539 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
540 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
541 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
543 * config.gcc: Add target for SPU.
544 * config/spu/constraints.md: New file.
545 * config/spu/crt0.c: New file.
546 * config/spu/crtend.c: New file.
547 * config/spu/crti.asm: New file.
548 * config/spu/crtn.asm: New file.
549 * config/spu/float_unsdidf.c: New file.
550 * config/spu/float_unssidf.c: New file.
551 * config/spu/predicates.md: New file.
552 * config/spu/spu-builtins.def: New file.
553 * config/spu/spu-builtins.h: New file.
554 * config/spu/spu-builtins.md: New file.
555 * config/spu/spu-c.c: New file.
556 * config/spu/spu-elf.h: New file.
557 * config/spu/spu-modes.def: New file.
558 * config/spu/spu-protos.h: New file.
559 * config/spu/spu.c: New file.
560 * config/spu/spu.h: New file.
561 * config/spu/spu.md: New file.
562 * config/spu/spu.opt: New file.
563 * config/spu/spu_internals.h: New file.
564 * config/spu/spu_intrinsics.h: New file.
565 * config/spu/spu_mfcio.h: New file.
566 * config/spu/t-spu-elf: New file.
567 * config/spu/vec_types.h: New file.
568 * config/spu/vmx2spu.h: New file.
569 * doc/contrib.texi: Document SPU contributor.
570 * doc/extend.texi: Document SPU extensions.
571 * doc/invoke.texi: Document SPU options.
572 * doc/md.texi: Document SPU constraints.
574 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
576 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
578 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
580 (flow_loop_dump): Do not dump loop level.
581 (flow_loops_find): Do not call flow_loops_level_compute.
582 * cfgloop.h (struct loop): Remove level field.
584 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
586 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
587 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
588 Use vector of edges instead of array.
589 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
590 estimate_numbers_of_iterations_loop): Ditto.
591 * predict.c (predict_loops): Ditto.
592 * loop-unroll.c (analyze_insns_in_loop): Ditto.
593 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
595 * basic-block.h: Declare heap allocation for edge vectors.
596 * tree-outof-ssa.c: Ditto.
597 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
598 * cfgloop.h (get_loop_exit_edges): Declaration changed.
600 2006-11-20 Zack Weinberg <zackw@panix.com>
602 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
603 Add another out parameter, "skip".
604 (set_gc_used_type): Adjust calls to process_gc_options. If a field
605 is tagged "skip", do not mark its type used.
607 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
610 * tree-sra.c (single_scalar_field_in_record_p): New function.
611 (decide_block_copy): Use it.
613 2006-11-20 David Daney <ddaney@avtrex.com>
615 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
616 PC to point to following instruction.
618 2006-11-20 Anatoly Sokolov <aesok@post.ru>
622 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
624 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
626 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
628 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
629 Add sh/superh.h to tm_file.
631 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
632 Mark Mitchell <mark@codesourcery.com>
634 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
636 (cpp_relocated): New function.
637 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
639 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
640 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
641 replace configured prefix with gcc_exec_prefix.
643 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
645 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
646 bfin_legitimate_constant_p.
647 * config/bfin/bfin.md (movsi expander): Check return value of
649 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
650 (expand_move): Adjust prototype.
651 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
652 invalid constants specially.
653 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
655 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
657 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
658 sibcall_value_symbol): Allow these patterns if
659 TARGET_LEAF_ID_SHARED_LIBRARY.
660 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
661 (override_options): Turn on id shared library flags if -msep-data,
662 but disallow the combination of these options on the command line.
663 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
664 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
665 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
667 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
668 * doc/invoke.texi (Blackfin Options): Document new switches.
670 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
671 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
673 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
674 inflate costs for addresses with an out-of-bounds address.
676 2006-11-19 Andrew Pinski <pinskia@gmail.com>
679 * fwprop.c (loops): Remove.
680 (forward_propagate_into): Use current_loops instead of
682 (fwprop_init): Call loop_optimizer_init instead of
684 (fwprop_done): Call loop_optimizer_finalize instead of
686 (fwprop): Use current_loops instead of loops.
688 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
691 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
693 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
696 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
697 larger than BITS_PER_WORD.
699 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
703 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
704 to MAX_FIXED_MODE_SIZE.
706 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
708 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
709 (fold_builtin_fmin_fmax): New.
710 (fold_builtin_1): Use it.
712 * fold-const.c (fold_strip_sign_ops): Handle copysign.
714 2006-11-18 Richard Guenther <rguenther@suse.de>
716 * config/i386/i386.c (ix86_builtins): New array for ix86
717 builtin function decls.
718 (def_builtin): New function.
719 (def_builtin_const): Likewise.
720 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
722 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
724 * doc/invoke.texi (core2): Add item.
726 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
728 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
729 (TARGET_CPU_DEFAULT_generic): Change value.
730 (TARGET_CPU_DEFAULT_NAMES): Add core2.
731 (processor_type): Add new constant PROCESSOR_CORE2.
733 * config/i386/i386.md (cpu): Add core2.
735 * config/i386/i386.c (core2_cost): New initialized variable.
736 (m_CORE2): New macro.
737 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
738 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
739 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
740 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
741 x86_partial_reg_dependency, x86_memory_mismatch_stall,
742 x86_accumulate_outgoing_args, x86_prologue_using_move,
743 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
744 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
745 x86_use_incdec, x86_four_jump_limit, x86_schedule,
746 x86_pad_returns): Add m_CORE2.
747 (override_options): Add entries for Core2.
748 (ix86_issue_rate): Add case for Core2.
750 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
752 * doc/invoke.texi: Fix mno-isel typo.
754 2006-11-18 Joseph Myers <joseph@codesourcery.com>
756 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
757 easy vector constant loads.
759 2006-11-18 Joseph Myers <joseph@codesourcery.com>
761 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
762 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
763 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
764 * config/rs6000/sync.md (lwsync): Emit plain sync if
767 2006-11-17 DJ Delorie <dj@redhat.com>
769 * reload1.c (reloads_unique_chain): New.
770 (reloads_conflict): Call it.
772 2006-11-17 Bob Wilson <bob.wilson@acm.org>
774 * config/xtensa/predicates.md (addsubx_operand): New.
775 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
776 (xtensa_emit_bit_branch): New.
777 (xtensa_emit_movcc): New.
778 * config/xtensa/xtensa.md (any_minmax): New code macro.
779 (minmax): New code attribute.
780 (any_cond, any_scc, any_scc_sf): New code macros.
781 (*addx2, *addx4, *addx8): Delete.
783 (*subx2, *subx4, *subx8): Delete.
785 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
786 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
787 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
788 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
789 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
790 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
791 (movsfcc_internal0, movsfcc_internal1): Likewise.
792 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
793 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
794 (xtensa_emit_bit_branch): New.
795 (xtensa_emit_movcc): New.
796 (function_arg_boundary): Add missing prototype.
798 2006-11-17 Bob Wilson <bob.wilson@acm.org>
800 * config/xtensa/xtensa.md (tstsi): Delete
802 2006-11-17 Bob Wilson <bob.wilson@acm.org>
804 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
806 2006-11-17 Bob Wilson <bob.wilson@acm.org>
808 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
810 2006-11-17 Bob Wilson <bob.wilson@acm.org>
812 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
814 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
816 * tree-vrp.c (execute_vrp): Do not update current_loops.
817 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
818 * doc/loop.texi: Remove documentation for cancelled functions.
819 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
820 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
822 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
823 (remove_path): Ensure that in delete_basic_blocks, the loops
825 (add_loop): Work on valid loop structures.
826 (loopify): Modify call of add_loop.
827 (mfb_update_loops): Removed.
828 (create_preheader): Do not update loops explicitly.
829 (force_single_succ_latches, loop_version): Do not use
830 loop_split_edge_with.
831 (loop_split_edge_with): Removed.
832 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
833 Do not use bsi_insert_on_edge_immediate_loop.
834 (split_loop_exit_edge, tree_unroll_loop): Do not use
835 loop_split_edge_with.
836 (bsi_insert_on_edge_immediate_loop): Removed.
837 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
838 use loop_split_edge_with.
839 * cfghooks.c: Include cfgloop.h.
840 (verify_flow_info): Verify that loop_father is filled iff current_loops
842 (redirect_edge_and_branch_force, split_block, delete_basic_block,
843 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
845 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
847 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
848 loop_split_edge_with.
849 (sms_schedule): Use current_loops.
850 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
851 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
853 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
854 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
855 * ifcvt.c (if_convert): Ditto.
856 * predict.c (predict_loops): Do not clear current_loops.
857 (tree_estimate_probability): Use current_loops.
858 (propagate_freq): Receive head of the region to propagate instead of
860 (estimate_loops_at_level): Do not use shared to_visit bitmap.
861 (estimate_loops): New function. Handle case current_loops == NULL.
862 (estimate_bb_frequencies): Do not allocate tovisit. Use
864 * tree-ssa-loop.c (current_loops): Removed.
865 (tree_loop_optimizer_init): Do not return loops.
866 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
867 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
868 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
869 Do not update loops explicitly.
870 * function.h (struct function): Add x_current_loops field.
871 (current_loops): New macro.
872 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
873 * loop-unroll.c (split_edge_and_insert): New function.
874 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
875 use loop_split_edge_with.
876 * loop-doloop.c (add_test, doloop_modify): Ditto.
877 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
878 * cfglayout.c (copy_bbs): Do not update loops explicitly.
879 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
880 * tree-vect-transform.c (vect_transform_loop): Do not update loops
882 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
883 (flow_loops_free): Do not free dfs_order and rc_order.
884 (flow_loops_find): Do not set dfs_order and rc_order in loops
885 structure. Do not call loops and flow info verification.
886 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
887 already belongs to some loop.
888 * cfgloop.h (struct loops): Remove struct cfg.
889 (current_loops, loop_split_edge_with): Declaration removed.
890 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
891 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
893 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
894 * basic-block.h (split_edge_and_insert): Declare.
895 * tree-cfg.c (remove_bb): Do not update loops explicitly.
897 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
899 PR tree-optimization/29801
900 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
901 (get_default_value): Use get_symbol_constant_value.
902 (set_lattice_value): ICE when the value of the constant is
904 (visit_assignment): Ignore VDEFs of read-only variables.
906 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
908 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
910 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
911 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
913 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
915 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
916 select subvars of var.
918 2006-11-17 Jakub Jelinek <jakub@redhat.com>
921 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
922 optimize if DEF doesn't have integral type.
924 2006-11-16 Mike Stump <mrs@apple.com>
926 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
927 pre-darwin9 system, unless the user asks for it directly.
928 (PREFERRED_DEBUGGING_TYPE): Likewise.
929 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
930 * config.gcc: Add suppport for darwin9.h.
931 * config/darwin9.h: Add.
932 * doc/install.texi (Specific): Clarify darwin documentation.
934 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
936 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
939 2006-11-16 Mike Stump <mrs@apple.com>
941 * Makefile.in (targhooks.o): Add $(OPTABS_H).
943 2006-11-16 Dirk Mueller <dmueller@suse.de>
945 * tree-vrp.c (get_value_range): Use XCNEW instead
947 (insert_range_assertions): Use XCNEWVEC instead
948 of XNEWVEC and memset.
949 (vrp_initialize): Same.
950 (vrp_finalize): Same.
951 * tree-ssa-ccp.c (ccp_initialize): Same.
952 * predict.c (tree_bb_level_predictions): Same.
953 * calls.c (expand_call): Same.
954 * tree-ssa-copy.c (init_copy_prop): Same.
955 (fini_copy_prop): Same.
956 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
957 of GGC_NEW and memset.
959 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
962 * gimplify.c (gimplify_expr): Only force a load for references to
963 non-BLKmode volatile values.
964 * doc/implement-c.texi (Qualifiers implementation): Document the
965 interpretation of what a volatile access is.
966 * doc/extend.texi (C++ Extensions): Rework same documentation.
968 2006-11-16 Joseph Myers <joseph@codesourcery.com>
970 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
973 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
975 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
977 (arm_neg_abssi2): Renamed from neg_abssi2.
978 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
980 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
982 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
983 number of arguments passed to local functions in SSE registers is 3.
985 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
986 number of arguments passed in SSE registers to 3.
988 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
991 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
993 (get_last_bb_insn): ... new global function.
994 (basic_block.h): Declare it.
995 * haifa-sched.c (create_recovery_block): Use it.
997 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1000 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1002 2006-11-15 Paul Brook <paul@codesourcery.com>
1004 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1005 _Unwind_GetTextRelBase): Move from here ...
1006 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1007 _Unwind_GetTextRelBase): ... To here.
1009 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1011 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1012 addresses we generate for testing are aligned.
1014 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1017 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1018 to what is the const decl is a place holder for.
1020 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1022 * config/i386/i386.opt: New target option -mx87regparm.
1024 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1025 and float_in_x87 variables. mmx_words, sse_words: Remove.
1026 (X87_REGPARM_MAX): Define.
1028 * config/i386/i386.c (override_options): Error out for
1029 -mx87regparm but no 80387 support.
1030 (ix86_attribute_table): Add x87regparm.
1031 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1032 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1033 (ix86_function_x87regparm): New function.
1034 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1036 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1038 (function_arg_advance): Process x87_nregs and x87_regno when
1039 floating point argument is to be passed in 80387 register.
1040 (function_arg): Pass XFmode arguments in 80387 registers for local
1041 functions. Pass SFmode and DFmode arguments to local functions
1042 in 80387 registers when flag_unsafe_math_optimizations is set.
1044 * reg-stack.c (convert_regs_entry): Disable NaN load for
1045 stack registers that are used for argument passing.
1047 * doc/extend.texi: Document x87regparm function attribute.
1048 * doc/invoke.texi: Document -mx87regparm.
1050 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1052 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1053 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1054 arg MODE; all callers changed. Use it to determine validity per
1055 machine mode instead of using Pmode for all memory references.
1056 (get_address_cost): Likewise add and use new arg MEM_MODE.
1058 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1059 J"orn Rennecke <joern.rennecke@st.com>
1061 * combine.c (likely_spilled_retval_1): Fix masking operation.
1062 (likely_spilled_retval_p): Use proper pattern for call to
1063 likely_spilled_retval_1.
1065 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1067 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1069 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1070 that tests for CONSTANT_POOL_ADDRESS_P.
1072 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1074 PR tree-optimization/29581
1075 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1076 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1077 type is different between Y and USE, create a temporary
1078 variable, initialize it at the beginning of the body bb
1079 and use it as replacement instead of Y.
1081 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1084 * gimplify.c (fold_indirect_ref_rhs): Use
1085 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1087 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1089 * expmed.c (emit_store_flag_1): New function.
1090 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1092 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1093 Use do_compare_rtx_and_jump.
1094 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1095 * arm.md (cstoresi4): New define_expand.
1096 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1097 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1098 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1100 2006-11-14 Caroline Tice <ctice@apple.com>
1102 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1103 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1105 (pubname_table): Redefine as a vector.
1106 (pubtype_table): New static global variable, defined as a vector.
1107 (pubname_table_allocated): Remove static global variable.
1108 (pubname_table_in_use): Remove static global variable.
1109 (PUBNAME_TABLE_INCREMENT): Remove constant.
1110 (size_of_pubnames): Add parameter to deal with either pubnames or
1111 pubtypes, and change code to deal with table being a vector.
1112 (add_pubname): Change to deal with table being a vector.
1113 (add_pubtype): New function.
1114 (output_pubnames): Add parameter to deal with either pubnames or
1115 pubtypes, and change code to deal with table being a vector.
1116 (gen_array_type_die): Add call to add_pubtype.
1117 (gen_enumeration_type_die): Add call to add_pubtype.
1118 (gen_struct_or_union_type_die): Add call to add_pubtype.
1119 (gen_subroutine_type_die): Add call to add_pubtype.
1120 (gen_typedef_die): Add call to add_pubtype.
1121 (dwarf2out_init): Add code to initialize pubname_table and
1122 pubtype_table vectors; also initialize debug_pubtypes_section.
1123 (prune_unused_types): Change to deal with pubnames being a vector.
1124 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1125 pubnames table to call to output_pubnames; Add code to output pubtypes
1126 table if DEBUG_PUBTYPES_SECTION is defined.
1127 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1129 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1131 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1133 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1134 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1135 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1136 movv2si_internal): Support moves between core registers.
1138 2006-11-14 Eric Christopher <echristo@apple.com>
1140 * configure: Regenerate with autoconf 2.59.
1142 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1144 Fix PR tree-optimization/27755
1146 * tree-ssa-pre.c: Update comments.
1147 (bb_bitmap_sets): Add pa_in and deferred member.
1148 (BB_DEFERRED): New macro.
1149 (maximal_set): New variable.
1150 (pre_stats): Add pa_insert member.
1151 (bitmap_set_and): Short circuit orig == dest.
1152 (bitmap_set_subtract_values): New function.
1153 (bitmap_set_contains_expr): Ditto.
1154 (translate_vuses_through_block): Add phiblock argument.
1155 (dependent_clean): New function.
1156 (compute_antic_aux): Update for maximal_set changes.
1157 (compute_partial_antic_aux): New function.
1158 (compute_antic): Handle partial anticipation.
1159 (do_partial_partial_insertion): New function.
1160 (insert_aux): Handle partial anticipation.
1161 (add_to_sets): Add to maximal set.
1162 (compute_avail): Ditto.
1163 (init_pre): Initialize maximal_set.
1164 (execute_pre): Do partial anticipation if -O3+.
1166 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1168 PR rtl-optimization/29798
1170 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1171 TARGET_INSN before any other check.
1172 (fwprop_init): Always calculate dominators.
1173 (fwprop_done): Always free them.
1175 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1177 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1180 2006-11-13 DJ Delorie <dj@redhat.com>
1182 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1183 temporary for intermediates.
1185 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1187 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1188 (sh_optimize_target_register_callee_saved): #if 0 the code
1189 using NOTE_INSN_LOOP_{BEG,END}.
1191 2006-11-13 Roger Sayle <roger@eyesopen.com>
1193 * fold-const.c (optimize_bit_field_compare): Recursively call
1194 fold when simplifying non-constant comparisons between bit-fields.
1196 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1198 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1200 * configure: Rebuilt.
1202 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1204 * config/rs6000/cell.md: New file.
1205 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1207 (ppccell_cost): New cost matrix.
1208 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1209 (rs6000_override_options): Set rs6000_always_hint to false
1210 for cell. Also align functions/lables/loops to 8byte
1211 for the Cell. Use PROCESSOR_CELL.
1212 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1213 using_mtcr_multiple.
1214 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1215 on the Cell, return 0.
1216 (rs6000_adjust_cost): Add Cell cost adjustments.
1217 (is_microcoded_insn): Return true for Cell microcoded
1219 (is_nonpipeline_insn): New function.
1220 (rs6000_issue_rate): Add PROCESSOR_CELL.
1221 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1223 (rs6000_use_sched_lookahead_guard): New function.
1224 (rs6000_sched_reorder): Reorder the ready list, if the second
1225 to last ready insn is a nonepipeline insn on the Cell.
1226 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1227 (ASM_CPU_SPEC): Add Cell.
1228 * config/rs6000/rs6000.md (cpu): Add Cell.
1229 (cell_micro): New Attr.
1232 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1234 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1236 * configure: Rebuilt.
1238 2006-11-13 Richard Guenther <rguenther@suse.de>
1240 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1242 (ix86_expand_lfloorceil): Likewise.
1243 (ix86_expand_rint): Likewise.
1244 (ix86_expand_floorceildf_32): Likewise.
1245 (ix86_expand_floorceil): Likewise.
1246 (ix86_expand_rounddf_32): Likewise.
1247 (ix86_expand_truncdf_32): Likewise.
1248 (ix86_expand_round): Likewise.
1250 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1251 Mark Mitchell <mark@codesourcery.com>
1253 * gcc.c: Organize search path variables into $prefix relative,
1254 and well-known native. Add comments.
1255 (add_sysrooted_prefix): Add comment.
1256 (process_command): If !gcc_exec_prefix add $prefix based paths.
1257 If *cross_compile == '0', add native well-known paths.
1258 Assert tooldir_base_prefix is always relative.
1259 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1260 use this value for 'install:' path.
1261 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1263 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1265 * config/i386/i386.c: Fix a typo in comment.
1267 2006-11-13 Michael Matz <matz@suse.de>
1269 * genemit.c (gen_expand): Allocate enough memory.
1271 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1273 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1274 __GXX_TYPEINFO_EQUALITY_INLINE but not
1275 __GXX_MERGED_TYPEINFO_NAMES.
1276 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1277 __GXX_MERGED_TYPEINFO_NAMES.
1278 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1279 __GXX_TYPEINFO_EQUALITY_INLINE.
1281 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1282 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR tree-optimization/29680
1285 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1288 2006-11-12 Jason Merrill <jason@redhat.com>
1289 Andrew Pinski <pinskia@physics.uc.edu>
1292 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1294 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1296 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1297 * tree.c (build_vector): Handle non-_CST elements.
1299 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1301 * genemit.c (gen_insn): Call gen_exp with a non-null used
1302 when handling multiple insns.
1303 (gen_expand): Likewise.
1304 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1305 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1306 (movsi_const_16bit+1): Copy operands[1].
1307 (call_pcrel): Copy the call_site pattern.
1308 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1310 2006-11-12 Roger Sayle <roger@eyesopen.com>
1312 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1313 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1314 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1315 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1317 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1319 Fix PR tree-optimization/29587
1320 * tree-ssa-structalias.c (process_constraint): Don't
1321 mark address taken due only to escaped vars constraint.
1323 2006-11-12 Michael Matz <matz@suse.de>
1324 Roger Sayle <roger@eyesopen.com>
1326 PR rtl-optimization/29797
1327 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1328 BITS_BIG_ENDIAN targets.
1330 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * builtins.c (fold_builtin_cosh): New.
1333 (fold_builtin_1): Use it.
1334 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1335 trunc to the list of "odd" functions. Also add llrint, lrint,
1336 rint and nearbyint when flag_rounding_math is false.
1338 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1340 * tree-flow.h (name_mappings_registered_p): Declare.
1341 * tree-into-ssa.c (name_mappings_registered_p): New function.
1342 * tree-cfg.c (tree_can_merge_blocks_p): Check
1343 name_mappings_registered_p instead of need_ssa_update_p.
1345 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1347 * tree-ssa-loop.c (tree_vectorize): Return the result of
1349 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1350 if anything changed.
1351 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1352 * tree-flow.h (vectorize_loops): Declaration changed.
1354 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1356 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1358 (issue_prefetch_ref): Move assignment to write_p out of loop.
1359 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1360 SIMULTANEOUS_PREFETCHES into account.
1361 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1362 * lambda-code.c (lcm): Renamed to ...
1363 (least_common_multiple): ... and exported.
1364 * tree-flow.h (least_common_multiple): Declare.
1366 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1368 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1369 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1370 ud-chains. Handle AND_EXPR.
1371 (record_estimate): Record whether the estimate is realistic
1372 and whether it is derived from a loop exit.
1373 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1374 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1376 (compute_estimated_nb_iterations): Take only realistic bounds into
1377 account. Set estimate_state. Use double_ints.
1378 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1379 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1380 that do not have to be always executed.
1381 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1382 to determine whether to call infer_loop_bounds_from_undefined
1383 and compute_estimated_nb_iterations.
1384 (n_of_executions_at_most): Use double_ints.
1385 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1386 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1387 * double-int.c (double_int_to_tree): Improve comment.
1388 (double_int_fits_to_tree_p): New function.
1389 * double-int.h (double_int_fits_to_tree_p): Declare.
1390 * tree-data-ref.c: Include langhooks.h.
1391 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1392 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1393 (analyze_array): Do not pass estimate_only argument to
1394 analyze_array_indexes.
1395 (get_number_of_iters_for_loop): Build tree from the stored double_int
1397 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1398 (find_data_references_in_loop): Use find_data_references_in_stmt.
1399 * tree-data-ref.h (struct data_ref_loc_d): New.
1400 (get_references_in_stmt): Declare.
1401 (estimate_iters_using_array): Declaration removed.
1402 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1403 double_int. Improve comments. Add is_exit and realistic
1405 (struct loop): Changed type of estimated_nb_iterations to double_int.
1406 Added estimate_state field.
1407 (record_estimate): Declaration removed.
1409 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1411 * params.c (set_param_value): Initialize the "set" field.
1412 * params.h (struct param_info): Add "set" field.
1413 (PARAM_SET_P): New macro.
1414 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1415 L1_CACHE_LINE_SIZE): New macros.
1416 * toplev.c (DEFPARAM): Initialize the "set" field.
1417 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1418 SIMULTANEOUS_PREFETCHES): Removed.
1419 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1420 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1421 * config/sparc/sparc.c: Include params.h.
1422 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1423 L1_CACHE_LINE_SIZE parameters.
1424 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1426 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1428 * config/i386/i386.c: Include params.h.
1429 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1430 (override_options): Set SIMULTANEOUS_PREFETCHES and
1431 L1_CACHE_LINE_SIZE parameters.
1432 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1433 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1434 L1_CACHE_LINE_SIZE parameters.
1435 * config/ia64/ia64.c (ia64_optimization_options): Set
1436 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1437 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1439 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1440 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1441 * doc/invoke.texi: Document new params.
1443 2006-11-12 Roger Sayle <roger@eyesopen.com>
1445 PR tree-optimization/13827
1446 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1449 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1451 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1452 update_single_exit_for_duplicated_loops): New functions.
1453 (duplicate_loop_to_header_edge): Use
1454 update_single_exit_for_duplicated_loops.
1455 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1456 functions only with ENABLE_CHECKING.
1458 2006-11-12 Andreas Schwab <schwab@suse.de>
1460 * except.c (sjlj_emit_function_enter): Remove unused variable.
1462 2006-11-11 Roger Sayle <roger@eyesopen.com>
1464 * fold-const.c (int_binop_types_match_p): New function.
1465 (size_binop): Relax constraint that both arguments must both have
1466 exactly the same sizetype type. Instead use int_binop_types_match_p.
1467 (size_diffop): Likewise.
1469 (make_range): Use build_int_cst instead of fold_convert.
1470 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1471 integer constants of the correct type.
1472 (fold_div_compare): Likewise.
1473 (fold_single_bit_test): Likewise.
1474 (fold_binary): Likewise.
1475 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1476 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1478 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1481 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1482 non null value if the struct memory access is in the 0th
1485 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1488 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1489 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1492 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1493 instead of builtin_define for bfin and BFIN.
1495 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1497 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1500 2006-11-11 Jan Hubicka <jh@suse.cz>
1502 * extend.texi (__builtin_expect): We no longer require second argument
1504 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1505 * builtins.c (expand_builtin_expect): Simplify.
1506 (expand_builtin_expect_jump): Kill.
1507 * final.c (final_scan_insn): Do not skip the removed notes.
1508 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1509 EXPECTED_VALUE): Remove.
1510 * dojump.c (do_jump): Do not care about __builtin_expect.
1511 * predict.c (expected_value_to_br_prob): Kill.
1512 * function.c (expand_function_end): Do not expand
1513 NOTE_INSN_REPEATED_LINE_NUMBER.
1514 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1515 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1516 * cfgexpand.c (add_reg_br_prob_note): Export.
1517 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1518 expected_value_to_br_prob.
1519 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1520 * rtl.h (add_reg_br_prob_note): Declare.
1522 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1524 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1526 2006-11-11 Jan Hubicka <jh@suse.cz>
1528 * predict.c (predict_loops): Kill RTL variant.
1530 2006-11-11 Jan Hubicka <jh@suse.cz>
1532 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1533 * modulo-sched.c (find_line_note): Remove.
1534 (loop_canon_p): Do not worry about line number notes.
1535 (sms_schedule): Likewise.
1536 * cse.c (cse_main): Likewise.
1537 * regmove.c (fixup_match_1): Likewise
1538 * function.c (emit_return_info_block): Likewise.
1539 (expand_function_end): Likewise.
1540 (thread_prologue_an_epilogue_insns): Likewise.
1541 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1543 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1544 emit_note_copy_after): Kill.
1545 (emit_note_copy): Do not worry about line numbers.
1546 * jump.c (purge_line_number_notes): Kill.
1547 (pass_purge_lineno_notes): Kill.
1548 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1550 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1551 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1552 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1553 * tree-pass.h (pass_purge_lineno_notes): Kill.
1554 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1555 rm_redundant_line_notes.
1556 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1557 rm_redundant_line_notes.
1558 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1559 * haifa-sched.c: Update comment about handling notes.
1560 (unlink_line_notes): Kill.
1561 (rm_line_notes): Kill.
1562 (save_line_notes): Simplify.
1563 (rm_redundant_line_notes): Kill.
1565 2006-11-11 Richard Guenther <rguenther@suse.de>
1567 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1568 Remove unused tree codes.
1569 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1570 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1571 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1572 * tree.c (stabilize_reference): Likewise.
1573 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1574 fold_unary): Likewise.
1575 * tree-gimple.c (is_gimple_cast): Likewise.
1576 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1577 * expr.c (expand_expr_real_1): Likewise.
1578 * tree-eh.c (tree_could_trap_p): Likewise.
1579 * gimplify.c (gimplify_expr): Likewise.
1580 * tree-inline.c (estimate_num_insns_1): Likewise.
1581 * tree-cfg.c (verify_expr): Likewise.
1583 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1585 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1586 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1587 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1589 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1592 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1593 constraints accept neither registers or memories.
1595 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1597 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1598 (NO_PROFILE_COUNTERS): Define as 1.
1600 2006-11-10 Roger Sayle <roger@eyesopen.com>
1602 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1603 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1605 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1607 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1609 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1612 (fold_builtin_hypot): Likewise.
1613 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1615 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1617 2006-11-10 Roger Sayle <roger@eyesopen.com>
1619 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1620 when attempting to build INTEGER_CSTs of non-integral types.
1621 * expmed.c (make_tree): Use the correct type, i.e. the inner
1622 type, when constructing the individual elements of a CONST_VECTOR.
1624 2006-11-10 Jan Hubicka <jh@suse.cz>
1626 * cse.c (cse_process_notes): Copy the propagated value.
1627 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1629 * gcse.c (try_replace_reg): Copy the replacement.
1630 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1631 (assign_386_stack_local): Always return copied memory expression
1632 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1635 2006-11-10 Jan Hubicka <jh@suse.cz>
1637 * final.c (final): Walk from first instruction.
1638 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1640 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1645 (umulv8hi3_highpart): Ditto.
1646 (vec_widen_smult_hi_v8hi): New expander.
1647 (vec_widen_smult_lo_v8hi): Ditto.
1649 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1652 * builtins.c (do_mpfr_arg3): New.
1653 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1655 2006-11-09 Eric Christopher <echristo@apple.com>
1660 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1661 * config.gcc (powerpc64-*-darwin*): New target.
1662 * config.host: Ditto.
1663 * config/rs6000/darwin64.h: New file.
1664 * config/rs6000/x-darwin64: Ditto.
1665 * config/rs6000/host-ppc64-darwin.c: Ditto.
1667 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1669 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1670 routines for integer division.
1672 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1674 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1676 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1679 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1681 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1683 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1684 simplify_subreg with BLKmode outer mode.
1686 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1688 * doc/invoke.texi: Minor formatting fixes in option lists.
1690 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1692 PR tree-optimization/29738
1693 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1694 (ccp_lattice_t): Remove UNKNOWN_VAL.
1695 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1696 Do not handle UNKNOWN_VAL.
1697 (get_default_value): Set initial value of virtual operands to
1699 (get_value): Always use get_default_value on uninitialized
1701 (set_value_varying, surely_varying_stmt_p): New functions.
1702 (set_lattice_value): Do not pass argument to get_value.
1703 Do not handle UNKNOWN_VAL.
1704 (likely_value): Follow the semantics described in the comment.
1705 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1706 phi nodes DONT_SIMULATE_AGAIN.
1707 (ccp_fold): Do not pass argument to get_value.
1708 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1711 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1713 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1714 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1716 2006-11-08 Roger Sayle <roger@eyesopen.com>
1718 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1719 test for inclusion rather than as a test for exclusion.
1720 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1721 the condition after calling fold_binary.
1722 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1723 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1724 * builtins.c (fold_builtin_isascii): Likewise.
1725 (fold_builtin_isdigit): Likewise.
1727 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1729 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1730 * configure: Regenerate.
1732 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1734 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1735 enum argument instead of bool.
1736 (vect_analyze_operations): Call vectorizable_type_promotion.
1737 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1738 stmt_vec_info_type value.
1739 (supportable_widening_operation, vectorizable_type_promotion): New
1740 function declarations.
1741 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1742 (vectorizable_type_promotion): New function.
1743 (vect_transform_stmt): Call vectorizable_type_promotion.
1744 * tree-vect-analyze.c (supportable_widening_operation): New function.
1745 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1747 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1750 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1751 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1752 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1754 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1755 * expr.c (expand_expr_real_1): Likewise.
1756 * optabs.c (optab_for_tree_code): Likewise.
1757 (init_optabs): Initialize new optabs.
1758 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1759 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1760 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1761 vec_unpacku_lo_optab): Initialize new optabs.
1762 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1763 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1764 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1766 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1767 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1768 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1769 (vec_unpacku_lo_optab): New optabs.
1770 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1771 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1772 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1773 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1774 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1775 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1777 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1778 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1779 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1780 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1781 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1782 implement the unsigned unpacking patterns.
1783 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1784 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1785 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1786 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1787 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1788 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1789 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1790 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1791 multiplication patterns.
1793 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1794 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1795 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1796 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1797 (rs6000_builtin_mul_widen_odd): New.
1798 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1799 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1800 * tree-vectorizer.h (enum vect_relevant): New enum type.
1801 (_stmt_vec_info): Field relevant chaned from bool to enum
1803 (STMT_VINFO_RELEVANT_P): Updated.
1804 (STMT_VINFO_RELEVANT): New.
1805 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1806 instead of STMT_VINFO_RELEVANT_P.
1807 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1808 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1809 and boolean variable with enum vect_relevant.
1810 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1811 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1812 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1814 2006-11-08 Richard Henderson <rth@redhat.com>
1816 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1817 vec_widen_umult_lo_v8hi): New.
1818 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1819 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1821 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1822 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1823 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1824 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1825 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1826 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1827 vec_unpacks_lo_v4si): New.
1829 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1831 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1832 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1833 (vect_analyze_operations): Call vectorizable_type_demotion.
1834 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1835 stmt_vec_info_type value.
1836 (vectorizable_type_demotion): New function declaration.
1837 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1840 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1841 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1843 * tree-iniline.c (estimate_num_insns_1): Likewise.
1844 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1845 * optabs.c (optab_for_tree_code): Likewise.
1847 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1848 compared against the predicate of the result is not 'mode' (the input
1849 to the function) but a mode with half the size of 'mode'.
1850 (init_optab): Initialize new optabs.
1851 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1853 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1855 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1856 (vec_pack_usat_optab): Initialize new optabs.
1857 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1858 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1860 2006-11-08 Richard Henderson <rth@redehat.com>
1862 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1863 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1864 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1865 (vec_interleave_highv4si, vec_interleave_lowv4si):
1866 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1868 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1870 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1872 (vect_transform_stmt): Removed redundant code.
1874 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1876 * tree-vect-transform.c (vectorizable_operation): Support multiple
1879 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1881 * tree-vect-transform.c (vect_align_data_ref): Removed.
1882 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1883 Updated function documentation. Return the increment stmt in ptr_incr.
1884 (bump_vector_ptr): New function.
1885 (vect_get_vec_def_for_stmt_copy): New function.
1886 (vect_finish_stmt_generation): Create a stmt_info to newly created
1888 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1890 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1891 VF is greater than the number of elements that can fit in one vector
1893 (vectorizable_operation, vectorizable_condition): Likewise.
1894 (vectorizable_store, vectorizable_load): Support the case that the VF
1895 is greater than the number of elements that can fit in one vector word.
1896 (vect_transform_loop): Don't fail in case of multiple data-types.
1897 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1898 in case of multiple data-types; the smallest type determines the VF.
1899 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1900 if they are of different sizes.
1901 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1902 number of elements rather than number of bytes.
1903 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1904 (vect_can_advance_ivs_p): Fix a dump printout
1906 2006-11-07 Eric Christopher <echristo@apple.com>
1908 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1909 (__bswapsi2): Ditto.
1910 * libgcc2.h: Remove transformation of bswap routines.
1911 * config/i386/i386.md (bswapsi2): New.
1914 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1916 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1917 (handle_gnu_inline_attribute): New function.
1918 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1919 (merge_decls, start_decl, start_function): Likewise.
1920 * doc/extend.texi: Document gnu_inline attribute.
1922 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1925 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1926 _fixunstfdi, and _floatditf
1928 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1930 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1932 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1933 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1934 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1935 which start in an odd register.
1937 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1939 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1941 2006-11-07 Josh Conner <jconner@apple.com>
1943 * doc/invoke.texi (fstrict-aliasing): Move implementation
1945 * doc/tree-ssa.texi (Alias analysis): ...here.
1947 2006-11-07 Richard Guenther <rguenther@suse.de>
1949 PR tree-optimization/29610
1950 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1951 of tree_purge_dead_eh_edges as it may free dominators.
1953 * g++.dg/other/pr29610.C: New testcase.
1955 2006-11-07 David Ung <davidu@mips.com>
1957 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1958 costs when optimizing for size.
1959 (override_options): Use mips_rtx_cost_optimize_size table for cost
1962 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1964 * gcc.c (process_command): Treat -b as normal switch if its argument
1967 2006-11-07 David Ung <davidu@mips.com>
1969 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1972 2006-11-06 Eric Christopher <echristo@apple.com>
1974 * config.gcc: Add x86_64-darwin host support.
1975 * config.host: Ditto.
1976 * config/i386/darwin64.h: New file.
1977 * config/i386/t-darwin64: Ditto.
1979 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1981 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1982 and output-exists-not.
1984 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1987 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1988 checking for overflow.
1990 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1992 * configure.ac: Fixed typo in case statement: :: changed to ;;
1994 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1996 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1997 count_leading_zeros, and count_trailing_zeros.
1998 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1999 (TARGET_FOLD_BUILTIN): Define.
2000 (TARGET_EXPAND_BUILTIN): Define.
2001 (xtensa_init_builtins): New.
2002 (xtensa_fold_builtin): New.
2003 (xtensa_expand_builtin): New.
2004 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2005 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2006 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2007 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2008 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2009 (any_extend): New code macro.
2010 (u, su): New code attributes.
2011 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2012 (nsau): Remove; replaced by clzsi2.
2013 (ffssi2): Use clzsi2.
2014 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2015 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2016 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2017 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2018 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2020 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2022 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2024 * config/arm/t-strongarm-elf: Likewise.
2025 * config/arm/t-pe: Likewise.
2026 * config/arm/t-arm-elf: Likewise.
2027 * config/arm/t-xscale-elf: Likewise.
2028 * config/arm/t-arm-coff: Likewise.
2029 * config/arm/t-xscale-coff: Likewise.
2030 * config/arm/t-wince-pe: Likewise.
2032 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2034 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2037 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2040 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2043 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2046 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2047 as a valid 80387 constant.
2048 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2049 * config/i386/i386.md (unnamed splitter): Split the load of
2050 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2053 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2055 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2056 from the soft-frame, argument and virtual registers.
2058 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2060 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2061 patterns for standard 80387 constants.
2063 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2064 Steven Bosscher <steven@gcc.gnu.org>
2066 * fwprop.c: New file.
2067 * Makefile.in: Add fwprop.o.
2068 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2069 * passes.c (init_optimization_passes): Schedule forward propagation.
2070 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2072 * timevar.def (TV_FWPROP): New.
2073 * common.opt (-fforward-propagate): New.
2074 * opts.c (decode_options): Enable forward propagation at -O2.
2075 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2076 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2077 canon_for_address, table_size): Remove.
2078 (new_basic_block, insert, remove_from_table): Remove references to
2080 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2081 simplification loop more straightforward by not calling fold_rtx
2083 (equiv_constant): Move here a small part of fold_rtx_subreg,
2084 do not call fold_rtx. Call avoid_constant_pool_reference
2086 * recog.h (canonicalize_change_group): New.
2088 * doc/invoke.texi (Optimization Options): Document fwprop.
2089 * doc/passes.texi (RTL passes): Document fwprop.
2091 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2093 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2094 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2095 (grokdeclarator): Likewise.
2097 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2099 * tree-dump.c (dump_enable_all): Rename local variable
2100 ir_type to avoid name conflicts.
2101 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2102 instead of using ir_type().
2103 * profile.c (tree_register_profile_hooks): Likewise.
2104 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2105 * basic-block.h (struct edge_def): Likewise.
2106 * config/arm/arm.c (legitimize_pic_address): Likewise.
2107 * coretypes.h (ir_type): New enum of all intermediate languages
2109 * cfghooks.c (ir_type): Rename to...
2110 (current_ir_type): ...this. Distinguish between cfgrtl and
2111 cfglayout mode when the current IR is RTL. Return enum ir_type.
2112 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2114 2006-11-03 Paul Brook <paul@codesourcery.com>
2116 * config/arm/arm.c (arm_file_start): New function.
2117 (TARGET_ASM_FILE_START): Define.
2118 (arm_default_cpu): New variable.
2119 (arm_override_options): Set arm_default_cpu.
2121 2006-11-03 David Ung <davidu@mips.com>
2123 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2124 PROCESSOR_24KC and PROCESSOR_24KF.
2125 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2126 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2127 (mips_rtx_cost_data): Add costs for the 24kc.
2128 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2129 * config/mips/24k.md: Remove references to 24k and replace with
2130 uses of 24kc/24kf in the appropriate reservations.
2131 * doc/invoke.texi (MIPS Options): Updated.
2133 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2135 * config/sh/crt1.asm: Fix #ifdef indent.
2137 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2138 Merged from STMicroelectronics sources:
2139 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2140 * config/sh/crt1.asm (vbr_600): Add missing #if.
2141 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2142 * sh.opt (mfused-madd): New option.
2143 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2144 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2145 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2146 Remove pointless handler at VBR+0.
2147 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2148 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2149 fr7. Make sure the timer handler is called with the correct FPU
2150 precision setting, according to the ABI.
2151 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2152 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2153 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2154 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2155 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2156 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2157 zero as second operand.
2158 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2159 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2160 Fixed some bugs related to negative values, in particular -0
2161 and overflow at -0x80000000.
2162 * config/sh/divcost-analysis: Added sh4-300 figures.
2163 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2164 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2165 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2166 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2167 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2168 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2170 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2172 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2173 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2174 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2175 mac_mem, mem_mac, dfp_mul, fp_cmp.
2176 (insn_class, dfp_comp, any_fp_comp): Update.
2177 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2178 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2179 (muldf3_i): Likewise.
2180 (movsi_i): Split rI08 alternative into two separate alternatives.
2182 (movsi_ie, movsi_i_lowpart): Likewise.
2183 (movqi_i): Split ri alternative into two separate alternatives.
2185 * sh1.md (sh1_load_store, sh1_fp): Update.
2186 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2187 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2188 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2189 (sh4a_fp_double_arith): Likewise.
2190 * sh4-300.md: New file.
2191 * sh.c (sh_handle_option): Handle m4-300* options.
2192 (sh_adjust_cost): Fix latency of auto-increments.
2193 Handle SH4-300 differently than other SH4s. Check for new insn types.
2194 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2195 been set by an option.
2196 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2197 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2198 (mbranch-cost=): Likewise.
2199 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2201 * sh.md (mulsf3): Remove special expansion code.
2202 (mulsf3_ie): Now a define_insn_and_split.
2203 (macsf3): Allow for TARGET_SH4.
2205 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2206 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2207 (expand_cbranchdi4): Likewise.
2208 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2209 CONST_DOUBLE if the outer code is COMPARE.
2210 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2211 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2212 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2213 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2214 Remove redundant fp_{zero,one}_operand checks.
2215 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2216 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2217 (expand_cbranchdi4): Likewise.
2218 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2219 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2221 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2223 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2226 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2228 * doc/invoke.texi: Fix mfp-trap-mode typo.
2230 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2232 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2233 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2234 file_end_indicate_exec_stack.
2235 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2237 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2238 for a non-executable stack.
2239 * crti.asm: Likewise.
2240 * crtn.asm: Likewise.
2241 * libunwind.S: Likewise.
2243 2006-11-02 Ben Elliston <bje@au.ibm.com>
2245 * tree-ssa.c (warn_uninit): Use expand_location variables for
2246 locus and declaration locus.
2248 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2251 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2252 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2253 cmp{eq,gt,gtu}{si,di}_media.
2254 (*cmpne0si_media): Remove.
2255 (*movsicc_umin): Adjust gen_cmp*_media call.
2256 (unordered): Change the mode of unordered and operands[1] to
2258 (seq): Adjust gen_cmp*_media calls. Make the mode of
2259 a temporary result of compare SImode if needed. If the mode
2260 of operands[0] is DImode, extend the temporary result to DImode.
2261 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2262 (sunorderd): Change the mode of match_operand and unorderd to
2264 (cmpeq{sf,df}_media): Remove.
2265 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2266 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2267 and compare operation to SImode.
2269 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2271 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2273 (sparc64-sun-solaris2*): Likewise.
2275 2006-11-02 Paul Brook <paul@codesourcery.com>
2277 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2278 from priority argument. Use different section for non-default
2280 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2282 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2285 * except.c (switch_to_exception_section): Do not cache the section
2286 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2287 and flag_function_sections is set.
2289 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * builtins.c (do_mpfr_sincos): New.
2293 (fold_builtin_1): Use it to fold builtin sincos.
2295 2006-11-01 Roger Sayle <roger@eyesopen.com>
2297 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2298 it into -D_REENTRANT.
2300 2006-11-01 Roger Sayle <roger@eyesopen.com>
2302 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2303 whether the assembler supports taking the difference of symbols in
2304 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2305 * configure: Regenerate.
2306 * config.in: Regenerate.
2307 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2308 the assembler doesn't support taking the difference of symbols in
2309 different sections, i.e. we're using the native solaris assembler.
2311 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2312 Peter Bergner <bergner@vnet.ibm.com>
2314 * doc/invoke.texi: Add cpu_type power6x
2315 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2316 * config.gcc: Add cpu_type power6x.
2317 * configure.ac: Add test for mf{t,f}gpr instructions.
2318 (HAVE_AS_MFPGPR): New.
2319 * config.in: Regenerate.
2320 * configure: Regenerate.
2321 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2322 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2323 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2324 and mftgpr attributes.
2325 (define_attr "cpu"): Add power6.
2326 Change instruction sequences to use new attributes.
2327 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2328 (fix_truncdfsi2_mfpgpr): New.
2329 (floatsidf_ppc64_mfpgpr): New.
2330 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2331 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2332 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2333 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2334 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2335 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2336 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2337 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2338 cntlz,exts and var_delayed_compare.
2339 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2340 _ARCH_PWR6X, if features enabled.
2341 * config/rs6000/rs6000.opt (mmfpgpr): New.
2342 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2343 (cached_can_issue_more): New variable.
2344 (processor_costs): Add power6_cost.
2345 (rs6000_sched_init): New function.
2346 (is_dispatch_slot_restricted): Deleted.
2347 (set_to_load_agen): New function.
2348 (is_load_insn,is_store_insn): New functions.
2349 (adjacent_mem_locations): New function.
2350 (insn_must_be_first_in_group): New function.
2351 (insn_must_be_last_in_group): New function.
2352 (rs6000_sched_reorder): New function.
2353 (rs6000_sched_reorder2): New function.
2354 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2355 TARGET_SCHED_REORDER2): Define.
2356 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2357 Add power6x. Add MASK_MFPGPR for power6x.
2358 (POWERPC_MASKS): Add MASK_MFPGPR.
2359 (rs6000_override_options): Set rs6000_always_hint to false
2360 for power6. Set rs6000_align_branch_targets. Replace
2361 rs6000_sched_groups check with rs6000_align_branch_targets.
2362 Use PROCESSOR_POWER6.
2363 (last_scheduled_insn): New variable.
2364 (load_store_pendulum): New variable.
2365 (rs6000_variable_issue): Set last_scheduled_insn and
2366 cached_can_issue_more.
2367 (rs6000_adjust_cost): Add power6 cost adjustments.
2368 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2369 with insn_must_be_first_in_group. Add power6 priority adjustments.
2370 (rs6000_issue_rate): Add CPU_POWER6.
2371 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2372 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2373 (TARGET_MFPGPR): New.
2374 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2375 (ASM_CPU_SPEC): Add power6x.
2376 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2378 * config/rs6000/power6.md: New file.
2380 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2382 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2383 HOST_WIDE_INT_PRINT to print high and low parts. Use
2384 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2385 printing a hexadecimal number prefix it with 0x.
2387 2006-11-01 Chris Johns <chris@contemporary.net.au>
2390 * Makefile.in (install-driver): Use exeext when installing
2391 $target-gcc-$version.
2393 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2395 * c-common.c (flag_cpp0x): New.
2396 * c-common.h (flag_cpp0x): New.
2397 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2398 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2399 * c-opts.c (set_std_cxx0x): New.
2400 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2401 * c.opt (std=c++0x): Document.
2402 (std=gnu++0x): Ditto.
2403 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2404 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2406 2006-11-01 Richard Guenther <rguenther@suse.de>
2408 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2410 (ix86_expand_floorceildf_32): Likewise.
2411 (ix86_expand_floorceil): Likewise.
2412 (ix86_expand_trunc): Likewise.
2414 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2416 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2419 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2421 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2423 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2425 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2427 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2428 * configure.ac (use_cxa_atexit): As a special case, don't test
2429 for libc definition of __cxa_atexit on mingw32
2430 * configure: Regenerate.
2431 * config.gcc (i[34567]86-pc-mingw32): Default to
2432 enable__cxa_atexit=yes.
2434 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2438 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2441 * c-decl.c (start_struct): Don't create self-containing
2443 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2445 * config/rs6000/rs6000-protos.h
2446 (darwin_rs6000_special_round_type_align): New.
2447 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2448 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2450 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2452 * toplev.c (compile_file): Call final_write_globals
2453 even if there have been errors.
2455 2006-10-31 Eric Christopher <echristo@apple.com>
2456 Falk Hueffner <falk@debian.org>
2458 * doc/extend.texi (__builtin_bswap32): Document.
2459 (__builtin_bswap64): Ditto.
2460 * doc/libgcc.texi (bswapsi2): Document.
2462 * doc/rtl.texi (bswap): Document.
2463 * optabs.c (expand_unop): Don't widen a bswap.
2464 (init_optabs): Init bswap. Set libfuncs explicitly
2465 for bswapsi2 and bswapdi2.
2466 * optabs.h (OTI_bswap): New.
2467 (bswap_optab): Ditto.
2468 * genopinit.c (optabs): Handle bswap_optab.
2469 * tree.h (tree_index): Add TI_UINT32_TYPE and
2471 (uint32_type_node): New.
2472 (uint64_type_node): Ditto.
2473 * tree.c (build_common_tree_nodes_2): Initialize
2474 uint32_type_node and uint64_type_node.
2475 * builtins.c (expand_builtin_bswap): New.
2476 (expand_builtin): Call.
2477 (fold_builtin_bswap): New.
2478 (fold_builtin_1): Call.
2479 * fold-const.c (tree_expr_nonnegative_p): Return true
2481 * builtin-types.def (BT_UINT32): New.
2483 (BT_FN_UINT32_UINT32): Ditto.
2484 (BT_FN_UINT64_UINT64): Ditto.
2485 * builtins.def (BUILT_IN_BSWAP32): New.
2486 (BUILT_IN_BSWAP64): Ditto.
2487 * rtl.def (BSWAP): New.
2488 * genattrtab.c (check_attr_value): New.
2489 * libgcc2.c (__bswapSI2): New.
2490 (__bswapDI2): Ditto.
2491 * libgcc2.h (__bswapSI2): Declare.
2492 (__bswapDI2): Ditto.
2493 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2494 * simplify-rtx.c (simplify_const_unary_operation): Return
2496 * libgcc-std.ver (__bwapsi2): Add.
2497 (__bswapdi2): Ditto.
2498 * reload1.c (eliminate_regs_1): Add bswap.
2499 (elimination_effects): Ditto.
2500 * config/i386/i386.h (x86_bswap): New.
2501 (TARGET_BSWAP): Use.
2502 * config/i386/i386.c (x86_bswap): Set.
2504 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2506 * coverage.c (coverage_checksum_string): Update comment.
2507 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2508 of get_file_function_name.
2509 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2510 of get_file_function_name_long.
2511 * tree.c (get_file_function_name): Rename from
2512 get_file_function_name_long; improve comment; handle 'I' and 'D'
2513 specially when the target has ctor/dtor support; remove special
2515 (get_file_function_name): Remove.
2516 * tree.h (get_file_function_name): Rename from
2517 get_file_function_name_long.
2518 (get_file_function_name): Remove prototype.
2520 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2522 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2523 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2525 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2526 Call dsymutil when compiling and linking one or more source files
2529 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2532 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2534 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2536 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2537 inline static functions in c99 mode.
2540 * doc/extend.texi (Inline): Update.
2541 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2542 * c-decl.c (current_extern_inline): Delete.
2543 (pop_scope): Adjust test for an undefined nested function.
2544 Add warning about undeclared inline function.
2545 (diagnose_mismatched_decls): Update comments. Disallow overriding
2546 of inline functions in a translation unit in C99. Allow inline
2547 declarations in C99 at any time.
2548 (merge_decls): Boolize variables. Handle C99 'extern inline'
2550 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2551 C99 inline semantics.
2552 (start_function): Don't clear current_extern_inline. Don't set
2554 (c_push_function_context): Don't push current_extern_inline.
2555 (c_pop_function_context): Don't restore current_extern_inline.
2558 * c-typeck.c (build_external_ref): Warn about static variables
2559 used in extern inline functions.
2560 * c-decl.c (start_decl): Warn about static variables declared
2561 in extern inline functions.
2563 2006-10-31 Roger Sayle <roger@eyesopen.com>
2566 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2567 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2568 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2569 or y is an even integer.
2571 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2574 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2575 * gthr-posix95.h (__gthread_active_p): Likewise.
2577 2006-10-31 Richard Guenther <rguenther@suse.de>
2579 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2580 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2581 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2582 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2583 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2584 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2585 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2586 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2589 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2591 * opts.c (decode_options): Disable CSE skip blocks.
2593 2006-10-30 Dirk Mueller <dmueller@suse.de>
2595 * c-common.h (strict_aliasing_warning): Fix whitespace.
2596 * c-decl (start_function): Move code for main decl warning ..
2597 * c-common.c (check_main_parameter_types): .. here.
2598 * c-common.h (check_main_parameter_types): Declare.
2600 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2605 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2607 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2608 be a PARALLEL containing sets. Return false when out_pat is not
2611 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2613 * config/mips/mips.md (mul<mode>3): Split into...
2614 (mulsi3, muldi3): ...these separate patterns.
2616 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2618 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2619 but with each set of options separated by spaces.
2621 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2623 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2624 dwarf_reg_size_table has been initialized.
2626 2006-10-30 Roger Sayle <roger@eyesopen.com>
2628 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2629 * ddg.c (print_ddg_edge): Likewise.
2630 * dwarf2out.c (prune_unused_types_walk): Likewise.
2631 * ifcvt.c (noce_try_cmove_arith): Likewise.
2632 * langhooks.c (add_builtin_function): Likewise.
2633 * reg-stack.c (subst_stack_regs_pat): Likewise.
2634 * tree.c (expanded_location): Likewise.
2635 * tree-dump.c (dequeue_and_dump): Likewise.
2637 2006-10-30 David Daney <ddaney@avtrex.com>
2639 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2641 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2643 PR tree-optimization/29637
2644 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2645 of the innertype is the innertype itself.
2647 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2649 * dwarf2out.c (file_name_acquire): Correct typo.
2651 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2653 * tree.h (tree_value_handle): Remove struct value_set declaration.
2654 Change value_set to bitmap_set.
2655 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2656 * tree-vn.c (get_value_handle): Made inline and moved to
2658 * tree-flow-inline.h: (has_stmt_ann): New function.
2659 * tree-ssa-pre.c (expressions): New variable.
2660 (next_expression_id): Ditto.
2661 (alloc_expression_id): New function.
2662 (struct value_set): Remove.
2663 (get_expression_id): New function.
2664 (get_or_alloc_expression_id): Ditto.
2665 (expression_for_id): Ditto.
2666 (clear_expression_ids): Ditto.
2667 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2668 (bb_value_sets): Renamed to bb_bitmap_sets.
2669 All value sets replaced with bitmap_sets.
2671 (BB_VISITED): New macro.
2672 (postorder): New variable.
2673 (add_to_value): Removed.
2674 (value_exists_in_set_bitmap): Ditto.
2675 (value_insert_into_set_bitmap): Ditto.
2678 (set_remove): Ditto.
2679 (set_contains_value): Ditto.
2680 (insert_into_set): Ditto.
2682 (find_leader): Ditto.
2683 (bitmap_set_subtract_from_value_set): Ditto.
2684 (value_insert_into_set): Ditto.
2685 (print_value_set): Ditto.
2686 (debug_value_set): Ditto.
2687 (constant_expr_p): New function.
2688 (bitmap_remove_from_set): Ditto.
2689 (bitmap_insert_into_set): Ditto.
2690 (bitmap_set_free): Ditto.
2691 (vh_compare): Ditto.
2692 (sorted_array_from_bitmap_set): Ditto.
2693 (bitmap_set_subtract): Ditto.
2694 (bitmap_set_equal): Ditto.
2695 (debug_bitmap_set): Ditto.
2696 (find_leader_in_sets): Ditto.
2697 (bitmap_set_replace_value): Modify for bitmapped sets.
2698 (phi_translate): Ditto.
2699 (phi_translate_set): Ditto.
2700 (bitmap_find_leader): Ditto.
2701 (valid_in_sets): Ditto.
2702 (union_contains_value): Ditto.
2704 (compute_antic_aux): Ditto. Mark changed blocks.
2705 (compute_antic): Ditto. Iterate in postorder and only over
2707 (compute_rvuse_and_antic_safe): Reuse postorder.
2708 (create_component_ref_by_pieces): Modify for bitmapped sets.
2709 (find_or_generate_expression): Ditto.
2710 (create_expression_by_pieces): Ditto.
2711 (insert_into_preds_of_block): Ditto.
2712 (changed_blocks): New variable.
2713 (do_regular_insertion): Broken out from insert_aux.
2714 (insert_aux): Modified for bitmapped sets.
2715 (find_existing_value_expr): New function.
2716 (create_value_expr_from): Use it.
2717 (insert_extra_phis): Removed.
2718 (print_bitmap_set): Renamed from bitmap_print_value_set.
2719 (compute_avail): Handle RETURN_EXPR.
2720 (init_pre): Modify for bitmapped sets.
2721 * tree-flow.h (has_stmt_ann): New function.
2723 2006-10-29 Roger Sayle <roger@eyesopen.com>
2725 * builtins.c (fold_builtin_floor): Check for the availability of
2726 the C99 trunc function before transforming floor into trunc.
2728 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * builtins.c (fold_builtin_hypot): Rearrange recursive
2731 transformation before others, and also do ABS_EXPR. When
2732 necessary, check flag_unsafe_math_optimizations. When necessary,
2735 2006-10-29 Roger Sayle <roger@eyesopen.com>
2737 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2738 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2739 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2740 Fold -X eq/ne -Y as X eq/ne Y.
2742 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2744 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2745 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2746 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2747 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2748 Use an inclusive test for "mult" rather than "mul".
2749 (rotr<mode>3): Depend on ISA_HAS_ROR.
2750 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2752 (GENERATE_MULT3_DI): Delete.
2753 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2754 (ISA_HAS_MUL3): New macro.
2755 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2756 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2757 (ISA_HAS_CLZ_CLO): Likewise.
2758 (ISA_HAS_DCLZ_DCLO): Delete.
2759 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2760 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2761 the VR4120 and VR4130.
2762 (ISA_HAS_MACCHI): Use consistent formatting.
2763 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2764 (ISA_HAS_ROR): ...this new macro.
2765 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2766 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2767 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2769 2006-10-29 Roger Sayle <roger@eyesopen.com>
2771 PR tree-optimization/15458
2772 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2775 2006-10-29 Richard Guenther <rguenther@suse.de>
2777 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2778 (ix86_expand_truncdf_32): Likewise.
2779 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2780 trunc inline for SSE math and -fno-trapping-math and if not
2781 optimizing for size.
2782 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2783 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2784 for expanding btrunc inline for SSE math.
2786 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2788 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2789 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2790 i[34567]86-*-solaris2.1[0-9]*.
2791 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2792 Define conditionally depending on TARGET_64BIT_DEFAULT.
2793 (SPEC_32, SPEC_64): Define.
2794 (LINK_SPEC): Use them.
2795 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2797 2006-10-29 Richard Guenther <rguenther@suse.de>
2799 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2800 (ix86_expand_rounddf_32): Likewise.
2801 * config/i386/i386.c (ix86_expand_round): New function expanding
2802 round inline for SSE math and -fno-trapping-math and if not
2803 optimizing for size.
2804 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2805 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2806 round via ix86_expand_round.
2808 2006-10-29 Richard Guenther <rguenther@suse.de>
2810 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2811 (ix86_expand_floorceildf_32): Likewise.
2812 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2813 static helper function.
2814 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2816 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2817 * config/i386/i386.md (floordf2): Adjust to enable floor
2818 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2819 -fno-trapping-math is enabled and if not optimizing for size.
2820 (floorsf2, ceildf2, ceilsf2): Likewise.
2821 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2822 (sse2_maskcmpdf3): Likewise.
2824 2006-10-29 Richard Guenther <rguenther@suse.de>
2826 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2827 rint in case -fno-trapping-math is enabled.
2828 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2829 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2830 (ix86_expand_sse_fabs): Likewise.
2831 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2832 * config/i386/i386.md (rintdf2): Enable for SSE math if
2833 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2834 (rintsf2): Likewise.
2836 2006-10-29 Richard Guenther <rguenther@suse.de>
2838 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2839 to conversion optabs.
2840 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2841 as conversion optab.
2842 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2843 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2844 (lfloor_optab, lceil_optab): Adjust defines.
2845 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2846 lfloor and lceil optabs now being conversion optabs.
2847 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2848 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2849 New static helper function.
2850 (ix86_expand_lfloorceil): New function to expand lfloor and
2852 * config/i386/i386.md (lfloor<mode>2): Split into ...
2853 (lfloorxf<mode>2): ... x87 variant
2854 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2855 using ix86_expand_lfloorceil.
2856 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2858 * doc/md.texi (lfloorMN, lceilMN): Document.
2860 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2862 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2863 -mno-shared assembler option on mips targets.
2864 * configure, config.in: Regenerate.
2865 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2866 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2867 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2869 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2871 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2872 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2874 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2876 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2877 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2880 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2883 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2884 (fold_builtin_pow): Evaluate constant arguments at compile-time
2886 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2887 (do_mpfr_ckconv): New helper function.
2888 (do_mpfr_arg1): Use do_mpfr_ckconv.
2889 (do_mpfr_arg2): New.
2891 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2894 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2895 (-fdump-rtl-sched): Rename to ..
2896 (-fdump-rtl-sched1): here. Also fix file extension number.
2898 2006-10-28 Richard Guenther <rguenther@suse.de>
2900 * fold-const.c (maybe_canonicalize_comparison): Fix code
2903 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2905 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2906 (NON_QI_REG_P): Use IN_RANGE.
2907 (REX_INT_REGNO_P): Use IN_RANGE.
2908 (FP_REGNO_P): Use IN_RANGE.
2909 (SSE_REGNO_P): Use IN_RANGE.
2910 (REX_SSE_REGNO_P): Use IN_RANGE.
2911 (MMX_REGNO_P): Use IN_RANGE.
2912 (STACK_REGNO_P): New macro.
2913 (STACK_REG_P): Use STACK_REGNO_P.
2914 (NON_STACK_REG_P): Use STACK_REGNO_P.
2915 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2916 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2917 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2918 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2919 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2921 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2923 * except.h (output_function_exception_table): Add 'const char*' param.
2924 * except.c (switch_to_exception_section): Add 'const char*' param.
2925 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2926 and flag_function_sections is set, use a function-specific section.
2927 (output_function_exception_table): Add 'const char*' param.
2928 Adjust call to switch_to_exception_section.
2929 * final.c (rest_of_handle_final): Adjust calls to
2930 output_function_exception_table.
2931 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2932 * config.in: Regenerate.
2933 * configure: Likewise.
2935 2006-10-28 Richard Guenther <rguenther@suse.de>
2938 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2939 for maybe_canonicalize_comparison.
2940 (maybe_canonicalize_comparison): New function for canonicalizing
2942 (fold_comparison): Call it to canonicalize comparisons with
2945 2006-10-28 Richard Guenther <rguenther@suse.de>
2948 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2949 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2950 (expand_builtin): Adjust likewise.
2951 * genopinit.c (optabs[]): Add lround optab.
2952 * optabs.c (init_optabs): Initialize lround_optab.
2953 * optabs.h (enum convert_optab_index): Add COI_lround.
2954 (lround_optab): Define.
2955 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2956 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2958 (ix86_expand_lround): New function.
2959 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2961 * doc/md.texi (lroundMN2): Document.
2963 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2966 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2967 argument to HOST_WIDE_INT. Update function prototype.
2968 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2969 "size" argument to HOST_WIDE_INT. Update function prototype.
2971 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2973 * config/i386/i386.c (output_387_ffreep): Create output from a
2974 template string for !HAVE_AS_IX86_FFREEP.
2976 2006-10-27 Eric Christopher <echristo@apple.com>
2978 * config/darwin.c: Fix formatting and grammar.
2980 2006-10-27 Jan Hubicka <jh@suse.cz>
2982 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2983 to be thrown away soon when IGNORE is set.
2984 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2985 indicating when return value shall not be computed.
2986 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2988 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2990 * config/i386/i386.h (TARGET_GEODE):
2991 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2992 (TARGET_CPU_DEFAULT_geode): New macro.
2993 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2994 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2995 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2996 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2997 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2999 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3000 (processor_type): Add PROCESSOR_GEODE.
3002 * config/i386/i386.md: Include geode.md.
3005 * config/i386/i386.c (geode_cost): New initialized global
3007 (m_GEODE, m_K6_GEODE): New macros.
3008 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3009 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3010 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3011 x86_schedule): Use m_K6_GEODE instead of m_K6.
3012 (x86_movx, x86_cmove): Set up m_GEODE.
3013 (x86_integer_DFmode_moves): Clear m_GEODE.
3014 (processor_target_table): Add entry for geode.
3015 (processor_alias_table): Ditto.
3017 * config/i386/geode.md: New file.
3019 * doc/invoke.texi: Add entry about geode processor.
3021 2006-10-27 Mike Stump <mrs@apple.com>
3023 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3024 __DYNAMIC__ from here back to ...
3025 * config/darwin.h (CPP_SPEC): ... here.
3027 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3028 Nathan Sidwell <nathan@codesourcery.com>
3030 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3031 when choosing the minimum heapsize.
3033 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3035 * gcc/unwind-dw2.h: Move cfa-related variables into
3036 struct frame_state_reg_info to ensure that the CFA is properly
3037 handled when executing DW_CFA_{remember,restore}_state.
3038 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3039 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3040 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3041 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3042 gcc/config/rs6000/linux-unwind.h,
3043 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3044 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3045 Modify to use new cfa_* fields.
3047 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3049 * config/s390/s390.c (s390_init_frame_layout): Check positive
3052 2006-10-26 Ben Elliston <bje@au.ibm.com>
3054 * gimplify.c (get_name): Remove extraneous break.
3055 (gimplify_omp_for): Initialise ret with GS_OK.
3057 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3059 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3060 Add unix98.o to link line.
3062 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3066 Calculate compile-time constants using MPFR.
3067 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3068 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3070 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3072 * config/xtensa/lib2funcs.S: Use C-style comments.
3074 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3076 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3077 (file_table_relative_p): Likewise.
3078 (dwarf2out_finish): Likewise.
3079 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3081 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3083 * tree-ssa-structalias.c (intra_create_variable_infos):
3084 Don't recreate nonlocal_all if it already exists.
3086 2006-10-25 Richard Guenther <rguenther@suse.de>
3089 * optabs.h (enum optab_index): Remove OTI_lrint.
3090 (enum convert_optab_index): Add COI_lrint.
3091 (lrint_optab): Adjust.
3092 (expand_sfix_optab): Declare.
3093 * optabs.c (expand_sfix_optab): New function.
3094 (init_optabs): Init lrint_optab as conversion optab.
3095 * genopinit.c (lrint_optab): Change to a conversion optab.
3096 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3097 expansion via conversion optab.
3098 * config/i386/i386.md (*fistdi2_1): Remove
3099 flag_unsafe_math_optimizations guard.
3100 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3101 fist<mode>2_with_temp): Likewise.
3102 (lrint<mode>2): Split into...
3103 (lrintxf<mode>2): ... x87 part
3104 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3105 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3106 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3107 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3108 * doc/md.texi (lrintMN2): Document.
3110 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3113 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3114 Use inc and dec instructions for TARGET_USE_INCDEC.
3115 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3116 ("sync_double_compare_and_swap<mode>"): Likewise.
3117 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3118 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3119 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3120 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3121 ("sync_old_add<mode>"): Likewise.
3122 ("sync_lock_test_and_set<mode>"): Likewise.
3123 ("sync_lock_test_and_set<mode>"): Likewise.
3124 ("sync_add<mode>"): Likewise.
3125 ("sync_sub<mode>"): Likewise.
3126 ("sync_ior<mode>"): Likewise.
3127 ("sync_and<mode>"): Likewise.
3128 ("sync_xor<mode>"): Likewise.
3130 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3132 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3133 (remainder_optab): Define corresponding macro.
3134 (drem_optab): Remove.
3135 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3136 drem_optab initialization.
3137 * genopinit.c (optabs): Implement remainder_optab using
3138 remainder?f3 patterns. Remove drem_optab.
3139 * builtins.c (expand_builtin_mathfn_2): Handle
3140 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3141 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3142 expand_builtin_mathfn_2.
3144 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3145 depend on flag_unsafe_math_optimizations.
3147 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3148 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3149 Do not depend on flag_unsafe_math_optimizations. Use
3150 truncxf?f expander instead of truncxf?f_i387_noop.
3152 ("fpremxf4", "fprem1xf4"): Do not depend on
3153 flag_unsafe_math_optimizations.
3154 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3155 flag_unsafe_math_optimizations. Use truncxf?f expander
3156 instead of truncxf?f_i387_noop.
3158 * doc/md.texi (fmod, remainder): Document standard named pattern.
3160 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3161 David Daney <ddaney@avtrex.com>
3164 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3166 2006-10-25 Ben Elliston <bje@au.ibm.com>
3168 * doc/extend.texi (Variable Attributes): Typo fix.
3170 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3172 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3173 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3174 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3175 (FRAME_POINTER_REGNUM): Update register number to 21.
3176 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3177 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3179 * config/i386/i386.c (regclass_map): Add fpcr entry.
3180 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3182 (print_reg): Assert REGNO (x) != FPCR_REG.
3184 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3185 (DIRFLAG_REG): Renumber.
3186 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3187 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3188 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3189 hardcoded SSE register numbers.
3191 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3192 hardcoded MMX register numbers.
3194 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3197 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3198 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3200 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3201 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3202 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3203 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3205 2006-10-24 Richard Guenther <rguenther@suse.de>
3208 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3209 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3210 for deciding optimizations in consistency with fold-const.c
3211 (fold_builtin_unordered_cmp): Likewise.
3213 2006-10-24 Richard Guenther <rguenther@suse.de>
3215 * builtins.c (fold_builtin_floor): Fold floor (x) where
3216 x is nonnegative to trunc (x).
3217 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3218 nonnegative to FIX_TRUNC_EXPR.
3220 2006-10-24 Richard Guenther <rguenther@suse.de>
3222 PR tree-optimization/29567
3223 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3224 for TRUTH_NOT_EXPR. Clarify comments.
3226 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3230 at compile-time using MPFR. Change parameter VALUE to FUNC,
3232 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3233 for overflow and underflow at all times and avoid folding in
3236 2006-10-24 Ben Elliston <bje@au.ibm.com>
3238 * reload1.c: Formatting fixes.
3240 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3242 PR tree-optimization/14784
3243 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3244 * tree-ssa-structalias.c (get_constraint_for,
3245 intra_create_variable_infos): Set is_heapvar.
3246 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3247 non-heapvar pointer variables specially.
3249 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3252 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3253 fold_builtin_tan): Fold all constant arguments. Take a "type"
3254 argument as necessary.
3255 (do_mpfr_arg1): New.
3256 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3258 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3260 * config/xtensa/lib1funcs.asm: Use C-style comments.
3262 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3264 * tree.c (local_define_builtin): Replace calls to
3265 lang_hooks.builtin_function with add_builtin_function.
3266 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3268 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3270 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3271 common code to add_builtin_function.
3272 * langhooks.c (add_builtin_function): New function.
3273 (lhd_builtin_function): New function.
3274 * langhooks.h (struct lang_hooks): Change the signature of
3276 (add_builtin_function): New function.
3277 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3278 calls to lang_hooks.builtin_function with add_builtin_function.
3279 * c-common.c (decl_builtin_1): Replace calls to
3280 lang_hooks.builtin_function with add_builtin_function.
3281 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3282 lang_hooks.builtin_function with add_builtin_function.
3283 * config/frv/frv.c (def_builtin): Replace calls to
3284 lang_hooks.builtin_function with add_builtin_function.
3285 * config/s390/s390.c (s390_init_builtins): Replace calls to
3286 lang_hooks.builtin_function with add_builtin_function.
3287 * config/sparc/sparc.c (def_builtin): Replace calls to
3288 lang_hooks.builtin_function with add_builtin_function.
3289 * config/i386/i386.c (def_builtin): Replace calls to
3290 lang_hooks.builtin_function with add_builtin_function.
3291 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3292 lang_hooks.builtin_function with add_builtin_function.
3293 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3294 lang_hooks.builtin_function with add_builtin_function.
3295 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3296 Replace calls to lang_hooks.builtin_function with
3297 add_builtin_function.
3298 * config/iq2000/iq2000.c (def_builtin):
3299 Replace calls to lang_hooks.builtin_function with
3300 add_builtin_function.
3301 * config/ia64/ia64.c (def_builtin): Replace calls to
3302 lang_hooks.builtin_function with add_builtin_function.
3303 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3304 lang_hooks.builtin_function with add_builtin_function.
3305 (altivec_init_builtins): Replace calls to
3306 lang_hooks.builtin_function with add_builtin_function.
3307 * config/arm/arm.c (def_mbuiltin): Replace calls to
3308 lang_hooks.builtin_function with add_builtin_function.
3309 (arm_init_tls_builtins): Replace calls to
3310 lang_hooks.builtin_function with add_builtin_function.
3311 * config/mips/mips.c (mips_init_builtins): Replace calls to
3312 lang_hooks.builtin_function with add_builtin_function.
3313 * config/bfin/bfin.c (def_builtin): Replace calls to
3314 lang_hooks.builtin_function with add_builtin_function.
3315 * langhooks-def.h (lhd_builtin_function): New function.
3316 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3318 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3320 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3321 BUILT_IN_STRNCAT_CHK.
3323 2006-10-23 Jan Hubicka <jh@suse.cz>
3325 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3326 don't do conversion from memmove to memcpy here.
3327 (expand_builtin_bcopy, expand_builtin): Update call of
3328 expand_builtin_memmove.
3329 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3331 2006-10-23 Paul Brook <paul@codesourcery.com>
3333 * stor-layout.c (start_record_layout): maximum_field_alignment
3334 overrides STRUCTURE_SIZE_BOUNDARY.
3336 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3338 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3339 nonlocal function symbols if flag_pic.
3341 2006-10-23 Richard Guenther <rguenther@suse.de>
3345 * builtins.c (fold_binary): Remove checks for flag_wrapv
3346 and flag_trapv where negate_expr_p covers these cases.
3348 2006-10-23 Richard Guenther <rguenther@suse.de>
3351 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3352 of two on the absolute value.
3353 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3354 and negating -C does not overflow.
3356 2006-10-23 Richard Guenther <rguenther@suse.de>
3359 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3360 only if not flag_rounding_math.
3362 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3363 Kaz Kojima <kkojima@gcc.gnu.org>
3366 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3367 SImode memory reference for the source of a movua.
3368 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3369 (movua): Use an unspec instead of sign_extract. Expect the source
3370 to have mode BLKmode.
3371 (extv, insv): Use a BLKmode rather than SImode memory reference
3372 for the source of a movua.
3374 2006-10-22 Jeff Law <law@redhat.com>
3375 Richard Guenther <rguenther@suse.de>
3377 PR tree-optimization/15911
3378 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3379 (register_edge_assert_for_1): Likewise.
3380 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3381 (find_conditional_asserts): Adjust for new function signature.
3382 (find_assert_locations): Likewise.
3384 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3386 * config/i386/tmmintrin.h: Remove the duplicated content.
3388 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3390 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3391 (x86_64-*-*): Likewise.
3393 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3394 (override_options): Check SSSE3.
3395 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3396 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3397 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3398 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3399 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3400 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3401 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3402 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3403 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3404 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3405 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3406 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3407 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3408 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3409 IX86_BUILTIN_PABSD128.
3410 (bdesc_2arg): Add SSSE3.
3411 (bdesc_1arg): Likewise.
3412 (ix86_init_mmx_sse_builtins): Support SSSE3.
3413 (ix86_expand_builtin): Likewise.
3414 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3416 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3417 (UNSPEC_PSIGN): Likewise.
3418 (UNSPEC_PALIGNR): Likewise.
3419 Include mmx.md before sse.md.
3421 * config/i386/i386.opt: Add -mssse3.
3423 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3424 (ssse3_phaddwv4hi3): Likewise.
3425 (ssse3_phadddv4si3): Likewise.
3426 (ssse3_phadddv2si3): Likewise.
3427 (ssse3_phaddswv8hi3): Likewise.
3428 (ssse3_phaddswv4hi3): Likewise.
3429 (ssse3_phsubwv8hi3): Likewise.
3430 (ssse3_phsubwv4hi3): Likewise.
3431 (ssse3_phsubdv4si3): Likewise.
3432 (ssse3_phsubdv2si3): Likewise.
3433 (ssse3_phsubswv8hi3): Likewise.
3434 (ssse3_phsubswv4hi3): Likewise.
3435 (ssse3_pmaddubswv8hi3): Likewise.
3436 (ssse3_pmaddubswv4hi3): Likewise.
3437 (ssse3_pmulhrswv8hi3): Likewise.
3438 (ssse3_pmulhrswv4hi3): Likewise.
3439 (ssse3_pshufbv16qi3): Likewise.
3440 (ssse3_pshufbv8qi3): Likewise.
3441 (ssse3_psign<mode>3): Likewise.
3442 (ssse3_psign<mode>3): Likewise.
3443 (ssse3_palignrti): Likewise.
3444 (ssse3_palignrdi): Likewise.
3445 (abs<mode>2): Likewise.
3446 (abs<mode>2): Likewise.
3448 * config/i386/tmmintrin.h: New file.
3450 * doc/extend.texi: Document SSSE3 built-in functions.
3452 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3454 2006-10-22 Ira Rosen <irar@il.ibm.com>
3456 * tree-vect-transform.c (vectorizable_load): Use the type of the
3457 return value of the mask_for_load builtin to create realign_load
3460 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3462 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3465 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3467 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3468 (UNSPEC_LDDQU): This.
3469 * config/i386/sse.md (sse3_lddqu): Updated.
3471 2006-10-21 Richard Guenther <rguenther@suse.de>
3473 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3474 (expand_builtin): Use it to expand lrint instead of
3475 expand_builtin_mathfn.
3477 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3480 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3481 flag_unsafe_math_optimizations is set.
3483 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3486 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3487 patterns to use memory input operand in x87->mem->XMM
3488 reload sequences. Skip transformation for TARGET_K8.
3490 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3492 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3493 force operand1 to register if both operands are memory operands.
3494 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3495 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3496 if both operands are memory operands.
3497 (truncdfsf2): Do not force operand1 to register if both operands
3498 are memory operands.
3500 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3502 * Makefile.in (LIBS): Add $(GMPLIBS).
3503 * doc/install.texi: Update GMP and MPFR requirements.
3504 * doc/sourcebuild.texi (need_gmp): Delete.
3506 2006-10-21 Richard Guenther <rguenther@suse.de>
3508 PR tree-optimization/3511
3509 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3510 got new invariant arguments during PHI translation.
3512 2006-10-21 Richard Guenther <rguenther@suse.de>
3515 * fold-const.c (fold_comparison): Fold signed comparisons
3516 of the form X +- C1 CMP Y +- C2.
3518 2006-10-21 Richard Guenther <rguenther@suse.de>
3521 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3522 if flag_unsafe_math_optimizations is specified. We have
3523 flag_finite_math_only for that.
3524 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3525 or flag_unsafe_math_optimizations.
3527 2006-10-21 Richard Guenther <rguenther@suse.de>
3529 * builtins.c (fold_builtin_classify): Fix typo.
3531 2006-10-21 Richard Guenther <rguenther@suse.de>
3534 * simplify-rtx.c (simplify_const_relational_operation):
3535 Do not constant-fold ORDERED and UNORDERED for
3536 flag_unsafe_math_optimizations but only we do not need to
3537 honor NaNs for the given mode.
3539 2006-10-21 Richard Guenther <rguenther@suse.de>
3542 * config/i386/i386.c (classify_argument): Remove redundant
3543 walking of the BINFOs.
3544 (contains_128bit_aligned_vector_p): Likewise.
3546 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3548 * BASE-VER: Set to 4.3.0.
3550 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3552 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3553 (tree_decl_with_vis): Remove artificial_pta_var flag.
3554 * tree-flow.h (referenced_var_check_and_insert): Expose.
3555 (nonlocal_all): New prototype.
3556 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3557 (nonlocal_all): Make global.
3558 (nonlocal_lookup): Remove.
3559 (nonlocal_insert): Ditto.
3560 (create_nonlocal_var): Do not call nonlocal_insert.
3561 (get_nonlocal_id_for_type): Remove.
3562 (find_global_initializers): Mark new vars we find for renaming.
3563 (intra_create_variable_infos): Only create one nonlocal.
3564 (expand_nonlocal_solutions): Remove.
3565 (compute_points_to_sets): Don't call it.
3566 (ipa_pta_execute): Ditto.
3567 (init_alias_heapvars): Don't create nonlocal_for_type.
3568 (delete_alias_heapvars): Don't remove it.
3569 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3572 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3574 * doc/install.texi (Downloading GCC): Clarify mention of
3575 Fortran in the "full distribution" description.
3577 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3579 Fix PR tree-optimization/28778
3580 Fix PR tree-optimization/29156
3581 Fix PR tree-optimization/29415
3582 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3583 (tree_decl_with_vis): Add artificial_pta_var flag.
3584 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3585 pushed into callers.
3586 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3587 (nonlocal_all): Ditto.
3588 (struct variable_info): Add directly_dereferenced member.
3589 (var_escaped_vars): New variable.
3590 (escaped_vars_tree): Ditto.
3591 (escaped_vars_id): Ditto.
3592 (nonlocal_vars_id): Ditto.
3593 (new_var_info): Set directly_dereferenced.
3594 (graph_size): New variable
3595 (build_constraint_graph): Use graph_size.
3596 (solve_graph): Don't process constraints that cannot change the
3597 solution, don't try to propagate an empty solution to our
3599 (process_constraint): Set directly_dereferenced.
3600 (could_have_pointers): New function.
3601 (get_constraint_for_component_ref): Don't process STRING_CST.
3602 (nonlocal_lookup): New function.
3603 (nonlocal_insert): Ditto.
3604 (create_nonlocal_var): Ditto.
3605 (get_nonlocal_id_for_type): Ditto.
3606 (get_constraint_for): Allow results vector to be empty in the case
3607 of string constants.
3608 Handle results of calls properly.
3609 (update_alias_info): Update alias info stats on number and type of
3611 (find_func_aliases): Use could_have_pointers.
3612 (make_constraint_from_escaped): Renamed from
3613 make_constraint_to_anything, and changed to make constraints from
3615 (make_constraint_to_escaped): New function.
3616 (find_global_initializers): Ditto.
3617 (create_variable_info_for): Make constraint from escaped to any
3618 global variable, and from any global variable to the set of
3620 (intra_create_variable_infos): Deal with escaped instead of
3621 pointing to anything.
3622 (set_uids_in_ptset): Do type pruning on directly dereferenced
3624 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3625 (init_base_vars): Fix comment, and initialize escaped_vars.
3626 (need_to_solve): Removed.
3627 (find_escape_constraints): New function.
3628 (expand_nonlocal_solutions): Ditto.
3629 (compute_points_to_sets): Call find_escape_constraints and
3630 expand_nonlocal_solutions.
3631 (delete_points_to_sets): Don't fall off the end of the graph.
3632 (init_alias_heapvars): Initialize nonlocal_for_type and
3634 (delete_alias_heapvars): Free nonlocal_for_type and null out
3637 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3639 * fold-const.c (add_double): Rename to add_double_with_sign.
3640 Add 'unsigned_p' parameter and take it into account for the overflow.
3641 (mul_double): Rename to mul_double_with_sign.
3642 Add 'unsigned_p' parameter and take it into account for the overflow.
3643 (fold_div_compare): Call add_double_with_sign instead of add_double
3644 and mul_double_with_sign instead of mul_double, passing them the
3645 unsignedness of the type.
3646 * tree.h (add_double): Macroize.
3647 (add_double_with_sign): New prototype.
3648 (mul_double): Macroize.
3649 (mul_double_with_sign): New prototype.
3651 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3653 * config/score/crti.asm: New file.
3654 * config/score/crtn.asm: New file.
3655 * config/score/elf.h: New file.
3656 * config/score/mac.md: New file.
3657 * config/score/misc.md: New file.
3658 * config/score/mul-div.S: New file.
3659 * config/score/predicates.md: New file.
3660 * config/score/score7.md: New file.
3661 * config/score/score.c: New file.
3662 * config/score/score-conv.h: New file.
3663 * config/score/score.h: New file.
3664 * config/score/score.md: New file.
3665 * config/score/score-mdaux.c: New file.
3666 * config/score/score-mdaux.h: New file.
3667 * config/score/score-modes.def: New file.
3668 * config/score/score.opt: New file.
3669 * config/score/score-protos.h: New file.
3670 * config/score/score-version.h: New file.
3671 * config/score/t-score-elf: New file.
3672 * config.gcc: Add score*-*-* configurations(Update before).
3673 * doc/invoke.texi (Score Options): New section.
3674 * doc/md.texi (Score family): New section to document constraints.
3676 2006-10-19 Nick Clifton <nickc@redhat.com>
3678 * config/arm/arm.c: Fix spelling typo.
3680 2006-10-18 Tom Tromey <tromey@redhat.com>
3682 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3684 2006-10-18 Jan Hubicka <jh@suse.cz>
3687 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3690 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3692 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3693 TSI_SAME_STMT, since that's the desired entity.
3695 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3697 * config/s390/contraints.md: New file.
3698 * config/s390/s390-protos.h (s390_mem_constraint,
3699 s390_O_constraint_str, s390_N_constraint_str,
3700 s390_float_const_zero_p): Function prototypes added.
3701 * config/s390/s390.c (s390_extra_constraint_str,
3702 s390_const_double_ok_for_constraint_p,
3703 s390_const_ok_for_constraint_p): Functions removed.
3704 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3705 s390_float_const_zero_p): New functions.
3706 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3707 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3708 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3709 Macro definitions removed.
3710 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3711 s390_extra_constraint_str): Functions removed.
3713 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3714 Richard Sandiford <richard@codesourcery.com>
3717 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3718 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3720 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3722 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3723 (DWARF2_FRAME_REG_OUT): Likewise.
3724 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3725 (DWARF2_FRAME_REG_OUT): Likewise.
3727 2006-10-17 Paul Brook <paul@codesourcery.com>
3729 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3731 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3733 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3734 Standardize on "GNU Fortran" as the official name of the Fortran
3737 2006-10-16 Mike Stump <mrs@apple.com>
3739 * doc/invoke.texi (Darwin Options): Document -mkernel.
3740 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3742 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3743 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3744 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3745 (OS_MISSING_ALTIVEC): Add.
3746 * config/i386/i386.c (override_options): Add
3747 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3748 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3749 -mkernel, -static or -mdynamic-no-pic is given.
3750 (C_COMMON_OVERRIDE_OPTIONS): Add.
3751 * config/darwin.opt (fapple-kext): Add.
3753 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3754 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3756 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3757 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3758 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3759 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3760 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3761 (flag_mkernel): Add.
3762 (flag_apple_kext): Add.
3763 (TARGET_KEXTABI): Add.
3764 * config/darwin.c (darwin_handle_kext_attribute): Add.
3765 (DARWIN_VTABLE_P): Add.
3766 (darwin_binds_local_p): Add partial support for rebinding vtables
3768 (darwin_kextabi_p): Add.
3769 (darwin_override_options): Add.
3770 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3771 (darwin_kextabi_p): Add.
3772 (darwin_override_options): Add.
3773 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3774 __DYNAMIC__ and __STATIC__ here.
3776 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3778 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3779 Added mention of "make pdf" target, and Texinfo requirements for
3782 2006-10-16 DJ Delorie <dj@redhat.com>
3784 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3785 into the GOT in case we need a subreg of the address.
3787 2006-10-16 Richard Guenther <rguenther@suse.de>
3790 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3791 SSE builtin documentation. Document SSE2 builtins.
3793 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3795 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3796 symbol in the output file for non-shared links when -nostdlib or
3797 -nodefaultlibs isn't specified.
3799 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3800 posix thread support.
3802 2006-10-15 Jan Hubicka <jh@suse.cz>
3805 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3806 declared always_inline even when not inlining.
3808 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3809 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3810 Andrew Pinski <pinskia@gmail.com>
3813 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3815 2006-10-15 Jan Hubicka <jh@suse.cz>
3816 Richard Guenther <rguenther@suse.de>
3819 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3820 process_function_and_variable_attributes on all variables, including
3821 those discovered during cgraph construction phase.
3823 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3825 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3827 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3829 * config/i386/athlon.md (athlon_fist): Add fisttp.
3831 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3832 Ian Lance Taylor <ian@airs.com>
3835 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3836 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3839 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3841 * config/score/score.c, config/score/score.h: Fix comment
3844 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3847 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3850 2006-10-13 Eric Christopher <echristo@apple.com>
3852 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3854 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3857 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3858 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3859 alignment supported by 32-bit ELF.
3861 2006-10-13 Eric Christopher <echristo@apple.com>
3863 * config/darwin.c (darwin_emit_unwind_label): Strip
3864 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3866 2006-10-13 Richard Guenther <rguenther@suse.de>
3868 PR tree-optimization/29446
3869 * tree-vrp.c (fix_equivalence_set): Remove.
3870 (extract_range_from_assert): Do not call fix_equivalence_set.
3871 (debug_value_range): Print a newline.
3872 (compare_name_with_value): For equivalence sets with
3873 inconsistent value ranges conservatively bail out.
3874 (compare_names): Likewise.
3876 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3878 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3879 and MPFR for gfortran.
3881 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3883 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3884 alignment supported by 32-bit ELF.
3886 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3890 * c-typeck.c (digest_init): Always allow initializing vectors
3891 that have static storage duration with compound literals.
3892 * tree.c (build_type_attribute_qual_variant): New, based on
3893 build_type_attribute_variant.
3894 (build_type_attribute_variant): Rewrite using the former.
3895 (make_vector_type): Use build_type_attribute_qual_variant to build
3896 type variants. Use type_hash_canon on the others.
3898 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3899 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3901 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3903 2006-10-12 Jan Hubicka <jh@suse.cz>
3906 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3907 current_function_decl is set but current_function_scope is not.
3909 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3911 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3912 emit_insn to emit eh_return_internal instruction.
3913 (eh_return_internal): Explicitly set pc.
3915 2006-10-11 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/28230
3918 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3919 to the correct place.
3921 2006-10-11 Richard Guenther <rguenther@suse.de>
3924 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3927 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3929 * configure.ac: Added pdf to "Make-hooks"
3930 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3931 targets and *.pdf file patterns in cleanup targets.
3932 * configure: Regenerated.
3934 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3936 * config/avr/predicates.md: New file.
3937 * config/avr/avr.md: Include it.
3938 (REG_SP): New constant.
3939 (peepholes): Use predicates.
3940 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3941 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3942 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3944 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3946 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3949 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3952 * builtins.c (var_decl_component_p): New function.
3953 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3954 single entry optimization to variables and components thereof.
3956 2006-10-10 Richard Guenther <rguenther@suse.de>
3958 PR rtl-optimization/29323
3959 * except.c (set_nothrow_function_flags): For functions
3960 that do not bind local bail out early.
3962 2006-10-10 Ben Elliston <bje@au.ibm.com>
3964 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3967 2006-10-09 Richard Henderson <rth@redhat.com>
3969 Revert emutls patch.
3971 2006-10-09 Richard Guenther <rguenther@suse.de>
3974 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3977 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3980 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3981 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3982 * configure: Regenerate.
3983 * config.in: Regenerate.
3985 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3987 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3989 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3991 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3992 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3993 Remove stray newline.
3995 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3997 * config/mips/mips.c (mips_classify_symbol): Do not return
3998 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3999 (mips_in_small_data_p): Tweak comments.
4001 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4003 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4005 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4007 * gimplify.c, sched-int.h: Fix comment typos.
4009 * sched-int.h: Fix comment typos.
4011 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4013 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4015 * sched-ebb.c (begin_schedule_ready): Use them.
4016 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4017 add_to_speculative_block, create_check_block_twin, speculate_insn,
4018 fix_jump_move, move_block_after_check): Ditto.
4019 * sched-rgn.c (new_ready): Ditto.
4021 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4023 PR rtl-optimization/29128
4024 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4025 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4026 allow interblock movement of speculation checks.
4028 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4031 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4032 casted to integer type.
4033 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4034 if they are significantly more expensive than [reg + index] ones.
4036 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4038 PR tree-optimization/29330
4039 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4040 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4041 on newly allocated ddrs.
4042 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4043 to VEC (loop_p, heap) pointer.
4044 (compute_data_dependences_for_loop): Adjust caller.
4045 (free_dependence_relations): Free DDR_LOOP_NEST.
4047 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4048 free DEPENDENCE_RELATIONS and DATAREFS.
4051 * builtins.c (expand_builtin_sync_operation,
4052 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4053 Use convert_to_mode to handle promoted arguments.
4055 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4057 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4059 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4061 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4063 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4065 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4066 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4067 Use <modeconstraint> instead of "r" as operand 1 constraint.
4069 2006-10-06 Olivier Hainque <hainque@adacore.com>
4071 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4072 Don't recurse on the pointed-to type.
4073 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4074 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4075 types with components of variable size.
4077 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4079 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4081 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4083 PR tree-optimization/29290
4084 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4088 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4089 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4092 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4093 the number of vector elements fill the rest with zeros.
4095 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4097 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4098 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4101 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4103 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4104 unnamed pattern into subsi3. Use correct constraints/predicates.
4105 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4106 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4108 2006-10-05 Ira Rosen <irar@il.ibm.com>
4110 * doc/loop.texi: Add data references analysis description.
4112 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4114 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4116 2006-10-04 Richard Henderson <rth@redhat.com>
4117 Jakub Jelinek <jakub@redhat.com>
4119 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4120 * builtin-types.def (BT_WORD): Make unsigned.
4121 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4122 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4123 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4124 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4125 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4126 * cgraph.c (decide_is_variable_needed): Look at force_output.
4127 Recurse for emulated tls.
4128 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4129 checks redundant with decide_is_variable_needed.
4130 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4131 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4133 * expr.c (emutls_var_address): New.
4134 (expand_expr_real_1): Expand emulated tls.
4135 (expand_expr_addr_expr_1): Likewise.
4136 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4137 * output.h (emutls_finish): Declare.
4138 * toplev.c (compile_file): Call it.
4139 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4140 address before wrapping in CONST.
4141 * varasm.c (emutls_htab, emutls_object_type): New.
4142 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4143 (get_emutls_object_name, get_emutls_object_type): New.
4144 (get_emutls_init_templ_addr, emutls_decl): New.
4145 (emutls_common_1, emutls_finish): New.
4146 (assemble_variable): When emulating tls, swap decls; generate
4147 constructor for the emutls objects.
4148 (do_assemble_alias): When emulating tls, swap decl and target name.
4149 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4151 * emutls.c: New file.
4152 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4153 tls_object for real tls.
4155 2006-10-04 Zack Weinberg <zackw@panix.com>
4157 Fix bug in constraint-check generator, reported by Rask Ingemann
4159 * genpreds.c (add_constraint): Don't remove anything from the
4161 (write_tm_constrs_h): Detect whether "op" argument is used, and
4162 mark it ARG_UNUSED if it isn't.
4163 (write_insn_const_int_ok_for_constraint): Skip the part of the
4164 expression that would test whether "op" (which is not available
4165 here) is a CONST_INT.
4167 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4170 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4172 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4174 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4175 current Leopard versions.
4176 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4178 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4180 * doc/install.texi: Fix typos.
4182 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4184 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4185 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4186 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4188 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4190 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4191 arg to be struct mach_header_64* instead.
4193 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4196 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4197 side effects after the outer expression's post side effects.
4199 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4201 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4202 comments to reflect actual behavior and relationship between
4203 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4205 * doc/c-tree.texi (Working with declarations): Fix documentation
4206 of FIELD_DECL likewise.
4208 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4211 * doc/extend.texi: Add used variable attribute description.
4213 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4216 * c.opt (Woverride-init): New.
4217 * c-opts.c (c_common_post_options): Default warn_override_init to
4219 * c-typeck.c (add_pending_init, output_init_element): Warn for
4220 overriding initializers without side effects.
4221 * doc/invoke.texi (-Woverride-init): Document.
4224 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4226 PR rtl-optimization/28096
4227 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4228 assignment has already been used as a destination earlier in the block.
4230 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4232 * builtins.c (expand_builtin_setjmp): Delete.
4233 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4234 <BUILT_IN_SETJMP_SETUP>: New case.
4235 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4236 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4237 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4238 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4239 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4240 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4241 (lower_function_body): Initialize it to false. If it is set to true
4242 at the end of the processing, emit the setjmp dispatcher.
4243 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4244 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4245 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4246 on the rhs of the assignment.
4247 (lower_builtin_setjmp): New function.
4248 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4249 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4250 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4251 to detect calls that can go to non-local labels. Use specific
4252 helper to create the abnormal edges associated with them.
4253 <MODIFY_EXPR>: Likewise.
4254 (make_abnormal_goto_edges): New function extracted from...
4255 (make_goto_expr_edges): ...here. Call it for computed gotos.
4256 (simple_goto_p): Minor tweak.
4257 (tree_can_make_abnormal_goto): New predicate.
4258 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4259 (tree_purge_dead_abnormal_call_edges): New function.
4260 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4261 (tree_purge_dead_abnormal_call_edges): Likewise.
4262 (make_abnormal_goto_edges): Likewise.
4263 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4264 Purge all dead abnormal edges if the call was in the last statement.
4265 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4266 (execute_fixup_cfg): If there are non-local labels in the function,
4267 scan the basic blocks and split them at calls that can go to non-local
4268 labels or add missing abnormal call edges. Write down the CFG in the
4270 (pass_fixup_cfg): Remove TODO_dump_func flag.
4271 * unwind-sjlj.c: Poison setjmp.
4272 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4273 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4274 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4275 (DONT_USE_BUILTIN_SETJMP): Document it.
4277 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4280 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4281 to 1 when __ppc64__ is defined.
4282 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4284 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4286 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4288 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4289 * config/ia64/unwind-hpux.c: Delete.
4291 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4293 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4294 on the element before gimplifying it, instead of punting if it is of
4297 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4299 * doc/loop.texi: New file.
4300 * doc/gccint.texi: Reference loop.texi.
4301 * Makefile.in (loop.texi): Add.
4303 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4305 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4307 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4308 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4310 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4312 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4314 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4316 * doc/install.texi: Document required versions of GMP and MPFR.
4318 2006-09-27 Paul Brook <paul@codesourcery.com>
4321 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4323 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4325 * reload1.c (alter_reg): Require the alignment of the stack slot to
4326 be at least reg_max_ref_width bytes.
4327 (scan_paradoxical_subregs): Record the largest width in
4330 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4334 * tree-nested.c (struct nesting_info): Added static_chain_added.
4335 (convert_call_expr): Set static_chain_added when adding static
4336 chain. Handle OMP_PARALLEL and OMP_SECTION.
4338 2006-09-25 Matthias Klose <doko@debian.org>
4340 * doc/invoke.texi: Add missing full stop.
4342 2006-09-25 Richard Henderson <rth@redhat.com>
4344 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4345 before cgraph_function_flags_ready.
4347 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4348 Adam Nemet <anemet@caviumnetworks.com>
4350 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4351 determine_common_wider_type): New functions.
4352 (get_computation_aff): Use them to simplify arithmetic between
4353 UBASE and CBASE if they are shortened from the same type.
4355 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4358 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4359 -2147483647 - 1 instead of 0x80000000.
4361 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4363 * flags.h (HONOR_NANS): Fix typo in comment.
4365 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4367 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4369 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4373 * tree.c (merge_attributes, attribute_list_contained): If both
4374 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4376 * c-typeck.c (comptypes_internal): Don't consider aggregates
4377 in different TUs as compatible if there one set of attributes is
4378 not a subset of the other type's attributes.
4379 (composite_type): Try harder not to create a new aggregate type.
4381 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4383 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4384 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4385 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4386 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4387 than replicating condition above.
4388 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4390 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4391 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4392 the linker by default.
4394 2006-09-22 Mike Stump <mrs@apple.com>
4396 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4399 2006-09-22 Richard Guenther <rguenther@suse.de>
4402 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4403 sort of stack variables stable.
4405 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4408 * explow.c (force_reg): Set REG_POINTER flag according to
4411 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4413 PR tree-optimization/28888
4414 * tree-if-conv.c (combine_blocks): Rewritten.
4415 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4416 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4418 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4420 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4423 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4425 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4427 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4429 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4431 2006-09-21 Roger Sayle <roger@eyesopen.com>
4434 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4435 dw_fde_current_label, to be the start of the function, i.e. the same
4436 value as dw_fde_begin.
4438 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4440 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4441 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4442 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4443 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4444 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4445 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4446 (abs<mode>2, neg<mode>2): Likewise.
4447 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4448 (*mips_abs_ps): New define_insn.
4450 2006-09-20 Josh Conner <jconner@apple.com>
4453 * calls.c (expand_call): Allow reuse of structure return stack
4456 2006-09-20 Paul Brook <paul@codesourcery.com>
4458 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4461 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4463 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4464 clean up terminology.
4466 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4469 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4470 with tablejumps in them.
4472 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4475 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4476 wrap it into TARGET_EXPR.
4478 2006-09-20 Eric Christopher <echristo@apple.com>
4480 * config/i386/i386.c (x86_fisttp): Remove.
4481 * config/i386/i386.h (x86_fisttp): Ditto.
4482 (TARGET_FISTTP): Ditto.
4484 2006-09-19 Eric Christopher <echristo@apple.com>
4486 * doc/tm.texi (OBJC_JBLEN): Describe.
4487 * config/i386/darwin.h (OBJC_JBLEN): Define.
4488 * config/rs6000/darwin.h: Ditto.
4490 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4492 PR rtl-optimization/21299
4493 * reload1.c (reload): Purge invalid ASMs in the final pass.
4495 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4498 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4499 pointers as legitimate constants.
4501 2006-09-19 Paul Brook <paul@codesourcery.com>
4504 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4506 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4508 PR tree-optimization/28887
4509 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4510 component parts from the reference.
4511 (gather_memory_references_ref): Record the reference without the
4512 nonaddressable component parts.
4514 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4517 * c-opts.c (c_common_handle_option): Ignore the -std options
4518 if the input language is assembly.
4520 2006-09-17 Ira Rosen <irar@il.ibm.com>
4523 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4525 (ptr_ptr_may_alias_p): Likewise.
4526 (record_record_differ_p): New function.
4527 (base_object_differ_p): Call record_record_differ_p.
4529 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4532 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4533 away for the expr argument.
4535 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4538 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4539 before using it for dumping after vectorizing loops.
4541 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4542 Jack Howarth <howarth@bromo.med.uc.edu>
4545 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4546 skip on error_mark_node.
4547 (rs6000_darwin64_record_arg_recurse): Likewise.
4549 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4551 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4552 * doc/rtl.texi: Remove related documentation.
4554 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4556 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4559 2006-09-15 Jim Wilson <wilson@specifix.com>
4561 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4562 Handle symbol offsets same as they are handled in ia64_expand_move
4565 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4567 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4568 Add forgotten parameter to the fprintf call.
4570 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4572 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4574 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4576 * doc/contrib.texi: Add my entry.
4578 2006-09-15 Nick Clifton <nickc@redhat.com>
4580 * doc/md.texi (Processor pipeline description): Fix typo in
4581 example of how to use the absence_set directive and reword the
4582 description to make it slightly easier to read.
4584 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4586 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4587 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4588 expanding the number of iterations.
4589 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4591 * cfgrtl.c (emit_insn_at_entry): New function.
4592 * rtl.h (emit_insn_at_entry): Declare it.
4593 * integrate.c (emit_initial_value_sets): Use it.
4595 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4597 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4599 (struct loop_work and related VEC declarations): Delete.
4600 (bfin_dump_loops): Print out new member bad.
4601 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4602 (bfin_scan_loop): Don't recurse.
4603 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4604 loops. No longer need to update outer loops if the current one is
4605 found bad. Move some validitiy checks to bfin_discover_loop.
4606 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4607 but changed not to check for nesting. Also changed to use the new bad
4609 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4610 time. Use bitmap based test to discover loop nesting.
4612 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4614 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4617 2006-09-14 Richard Guenther <rguenther@suse.de>
4618 Kazu Hirata <kazu@codesourcery.com>
4620 PR middle-end/28884.
4621 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4622 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4623 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4624 with TARGET_FUNCTION_VALUE.
4626 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4629 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4631 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4633 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4636 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4639 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4642 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4644 * basic_block.h (bb_has_eh_pred): Fix comment.
4646 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4648 * flow.c (calculate_global_regs_live): Invalidate eh registers
4649 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4650 (propagate_block): Handle eh registers as if they were set at basic
4652 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4654 * global.c (global_conflicts): Make eh registers to conflict with
4655 pseudos live at basic block begin.
4656 * basic_block.h (bb_has_eh_pred): New function.
4658 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4660 PR rtl-optimization/28982
4661 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4662 index of a PRE_MODIFY or POST_MODIFY address.
4663 * reload1.c (inc_for_reload): Use find_replacement on the original
4664 base and index registers.
4666 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4668 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4669 for -Os. Update __m128 alignment requirement.
4671 2006-09-13 Jan Hubicka <jh@suse.cz>
4673 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4675 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4677 PR rtl-optimization/28243
4678 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4679 the insn to which the note was originally attached.
4681 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4682 Roger Sayle <roger@eyesopen.com>
4684 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4685 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4686 on platforms that don't use dwarf for debug info.
4688 2006-09-12 Jason Merrill <jason@redhat.com>
4691 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4692 hard_frame_pointer_rtx after using it to update the frame pointer.
4694 2006-09-12 Roger Sayle <roger@eyesopen.com>
4696 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4697 (TARGET_ASM_CLOSE_PAREN): Likewise.
4698 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4699 (TARGET_ASM_CLOSE_PAREN): Likewise.
4701 2006-09-12 Roger Sayle <roger@eyesopen.com>
4704 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4705 frame information for frames larger than 512 Kbytes on Tru64 when
4706 using the native assembler.
4708 2006-09-12 Roger Sayle <roger@eyesopen.com>
4712 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4713 and symbols. Instead use the implementation from cse.c's hash_rtx.
4715 2006-09-12 Jan Hubicka <jh@suse.cz>
4717 PR rtl-optimization/28071
4718 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4719 (vect_transform_loop): Likewise.
4720 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4721 (new_loop_vec_info): Likewise.
4722 (destroy_loop_vec_info): Likewise.
4723 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4724 (create_stmt_ann): Likewise.
4725 (create_tree_ann): Rename to ...
4726 (create_tree_common_ann): ... this one; allocate only the common part
4728 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4729 (get_value_handle): Likewise.
4730 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4731 get_tree_common_ann.
4732 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4733 (vinfo_for_stmt): Use stmt annotations.
4734 * tree-flow.h (tree_ann_common_t): New type.
4735 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4736 (tree_ann, get_tree_ann, create_tree_ann): New.
4737 * tree-flow-inline.h (get_function_ann): Do more type checking.
4738 (stmt_ann): Likewise.
4739 (tree_ann): Rename to ...
4740 (tree_common_ann): ... this one; return ony common_ann
4741 (get_tree_ann): Rename to ...
4742 (tree_common_ann): This one; return only common_ann.
4743 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4746 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4748 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4749 with_cpu by default.
4751 * dwarf2out.c (dwarf_file_data): New.
4752 (enum dw_val_class): Add dw_val_class_file.
4753 (struct dw_val_struct): Add val_file.
4754 (file_table): Change to a hash table.
4755 (file_table_emitted): Delete.
4756 (file_table_last_lookup_index): Delete.
4757 (emitcount): Delete.
4758 (last_emitted_file): New.
4759 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4760 (init_file_table): Delete.
4761 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4762 (AT_addr): Add comment.
4766 (print_die): Handle dw_val_class_file.
4767 (print_dwarf_line_table): Update for new file table structure.
4768 (attr_checksum): Do checksum a filename.
4769 (same_dw_val_p, same_attr_p): Do compare a filename.
4770 (size_of_die): Handle dw_val_class_file.
4771 (value_format): Likewise.
4772 (output_die): Likewise. Also, call maybe_emit_file here.
4773 (struct file_info): Constify filenames. Make file_idx a pointer
4774 to a struct dwarf_file_data.
4775 (struct dir_info): Constify directory names. Remove 'used' field.
4776 (struct file_name_acquire_data): New.
4777 (file_name_acquire): New.
4778 (output_file_names): Modify to handle new file data structures.
4779 (add_src_coords_attributes): Use add_AT_file.
4780 (add_call_src_coords_attributes): Likewise.
4781 (dwarf2out_imported_module_or_decl): Likewise.
4782 (gen_subprogram_die): Modify for new file data structures.
4783 (gen_variable_die): Likewise.
4784 (file_table_eq): New.
4785 (file_table_hash): New.
4786 (file_table_last_lookup): New.
4787 (lookup_filename): Rewrite to handle new file data structures.
4788 (maybe_emit_file): Rewrite to handle new file data structures.
4789 (dwarf2out_source_line): Always call lookup_filename and
4791 (dwarf2out_init): Create file_table here.
4792 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4793 (file_table_relative_p): New.
4794 (dwarf2out_finish): Change detection of relative filenames
4795 to work with new file data structures. Move output_line_info call
4796 after debug_info output.
4798 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4803 * config/i386/i386.c (override_options): Always default to 16
4804 byte stack boundary.
4806 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4809 * var-tracking.c (dump_dataflow_set): Start dumping at
4811 (clobber_variable_part): Kill only the variable part in
4812 registers holding it, leaving other variables alone.
4814 2006-09-11 Josh Triplett <josh@freedesktop.org>
4816 * doc/extend.texi (Other Builtins): Actually use the macro
4817 argument in the documentation example for
4818 __builtin_types_compatible_p.
4820 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4822 PR rtl-optimization/28726
4823 * sched-deps.c (sched_analyze_reg): New function extracted from...
4824 (sched_analyze_1): ...here. Call it to analyze references to
4825 registers. Treat again writes to a stack register as writing to the
4827 (sched_analyze_2): ...and here. Call it to analyze references to
4828 registers. Treat again reads of a stack register as reading the
4831 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4832 David Edelsohn <edelsohn@gnu.org>
4835 * config/rs6000/spe.md (frob_df_di): Remove %H.
4836 (frob_di_df): Remove %H. Change evmergelo to mr.
4837 (frob_di_df_2): Remove %H. Change evldd to two loads.
4839 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4841 * doc/cpp.texi: Fix names of charset options.
4843 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4846 * config/i386/i386.c (override_options): Use 128-bit
4847 stack boundary always for 64bits.
4849 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4851 PR rtl-optimization/28636
4852 * combine.c (force_to_mode): Test for side-effects before
4853 substituting by zero.
4854 (simplify_shift_const): Likewise for zero or other constants.
4856 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4859 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4862 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4865 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4866 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4867 returned by mode_for_size, rather than the mode of src itself,
4868 to choose between 32-bit and 64-bit patterns.
4869 (mips_mem_fits_mode_p): New function.
4870 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4871 that the size of the source matches the size of the destination.
4872 (mov_<store>l, mov_<store>r): Likewise.
4874 2006-09-10 Eric Christopher <echristo@apple.com>
4876 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4879 2006-09-09 Eric Christopher <echristo@apple.com>
4882 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4885 2006-09-09 Roger Sayle <roger@eyesopen.com>
4886 Nicolas Setton <setton@adacore.com>
4888 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4890 2006-09-10 Andreas Schwab <schwab@suse.de>
4892 * config/m68k/m68k.md (bungt_rev): New pattern.
4894 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4895 Dale Johannesen <dalej@apple.com>
4898 * regclass.c (struct reg_pref): Update documentation.
4899 (regclass): Set prefclass to NO_REGS if memory is the best option.
4900 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4902 2006-09-08 Eric Christopher <echristo@apple.com>
4904 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4905 * config/t-slibgcc-darwin: Support x86_64 multilib.
4906 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4907 Return 1 for x86_64-darwin.
4908 * config/i386/t-darwin: Add m64 multilib.
4909 (LIB2_SIDITI_CONV_FUNCS): Use.
4910 (LIB2FUNCS_EXTRA): Ditto.
4911 * config/i386/darwin.h: Support x86_64.
4912 * config/i386/i386.c (override_options): Turn on flag_pic
4913 for x86_64-darwin. Disable flag_omit_pointer.
4914 (get_pc_thunk_name): Assert !TARGET_64BIT.
4915 (legitimate_address_p): Disable machopic addressing for
4917 (legitimize_pic_address): Ditto.
4918 (ix86_expand_move): Ditto.
4919 (ix86_expand_call): Ditto.
4920 (machopic_output_stub): Ditto.
4921 * config/darwin.c (machopic_select_section): Support literal16.
4922 (machopic_select_rtx_section): Ditto.
4923 * config/darwin-sections.def: Ditto.
4924 * config/darwin-64.c: New.
4926 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4929 * c-tree.h (struct c_arg_info): Add pending_sizes.
4930 * c-parser.c (c_parser_parms_declarator,
4931 c_parser_parms_list_declarator): Initialize pending_sizes.
4932 * c-decl.c (get_parm_info): Initialize pending_sizes.
4933 (get_parm_info): Set pending_sizes.
4934 (grokdeclarator): Call put_pending_sizes for parameters for
4935 function definition only.
4937 2006-09-07 Jason Merrill <jason@redhat.com>
4940 * varasm.c (output_constant): Only strip actual no-op conversions.
4943 * config/i386/i386.c (override_options): Use 128-bit
4944 stack boundary if -msse.
4946 2006-09-07 Eric Christopher <echristo@apple.com>
4948 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4950 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4953 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4955 * dwarf2out.c: Remove strange characters from comment above
4956 dwarf2out_frame_debug_expr.
4958 2006-09-07 Eric Christopher <echristo@apple.com>
4960 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4961 * config/darwin.h: ... to here.
4963 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4965 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4967 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4968 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4970 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4971 TARGET_PARTIAL_FLAG_REG_STALL.
4972 (*ashldi3_cconly_rex64): Likewise.
4973 (*ashlsi3_cmp): Likewise.
4974 (*ashlsi3_cconly): Likewise.
4975 (*ashlsi3_cmp_zext): Likewise.
4976 (*ashlhi3_cmp): Likewise.
4977 (*ashlhi3_cconly): Likewise.
4978 (*ashlqi3_cmp): Likewise.
4979 (*ashlqi3_cconly): Likewise.
4980 (*ashrdi3_cmp_rex64): Likewise.
4981 (*ashrdi3_cconly_rex64): Likewise.
4982 (*ashrsi3_cmp): Likewise.
4983 (*ashrsi3_cconly): Likewise.
4984 (*ashrsi3_cmp_zext): Likewise.
4985 (*ashrhi3_cmp): Likewise.
4986 (*ashrhi3_cconly): Likewise.
4987 (*ashrqi3_cmp): Likewise.
4988 (*ashrqi3_cconly): Likewise.
4989 (*lshrdi3_cmp_rex64): Likewise.
4990 (*lshrdi3_cconly_rex64): Likewise.
4991 (*lshrsi3_cmp): Likewise.
4992 (*lshrsi3_cconly): Likewise.
4993 (*lshrsi3_cmp_zext): Likewise.
4994 (*lshrhi3_cmp): Likewise.
4995 (*lshrhi3_cconly): Likewise.
4996 (*lshrqi2_cmp): Likewise.
4997 (*lshrqi2_cconly): Likewise.
4999 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5002 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5003 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5004 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5005 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5006 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5007 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5008 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5009 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5010 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5011 implement only CC setting effects of shift instructions.
5013 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5015 * doc/contrib.texi: Add myself.
5017 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5020 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5021 was set by the user.
5023 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5026 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5027 (divsi_inv_m1): Use them.
5028 (UNSPEC_DIV_INV_TABLE): New constant.
5030 2006-09-06 James E Wilson <wilson@specifix.com>
5033 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5034 then call count_or_remove_death_notes.
5036 2006-09-06 Jason Merrill <jason@redhat.com>
5039 * tree-inline.c (copy_result_decl_to_var): New fn.
5040 (declare_return_variable): Use it. Call declare_inline_vars here.
5041 (expand_call_inline): Not here.
5043 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5045 * doc/contrib.texi: Update my entry.
5047 2006-09-06 Nick Clifton <nickc@redhat.com>
5049 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5051 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5054 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5055 (canonicalize_induction_variables): Likewise.
5056 (tree_unroll_loops_completely): Likewise.
5057 (tree_ssa_prefetch_arrays): Likewise.
5058 (remove_empty_loops): Likewise.
5059 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5060 TODO_cleanup_cfg instead of directly calling
5061 cleanup_tree_cfg_loop.
5062 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5064 (tree_unroll_loops_completely): Likewise.
5065 (remove_empty_loops): Likewise.
5066 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5067 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5068 of tree_ssa_unswitch_loops.
5069 (tree_ssa_loop_ivcanon): Use the return value of
5070 canonicalize_induction_variables.
5071 (tree_ssa_empty_loop): Use the return value of
5073 (tree_complete_unroll): Use the return value of
5074 tree_unroll_loops_completely.
5075 (tree_ssa_loop_prefetch): Use the return value of
5076 tree_ssa_prefetch_arrays.
5077 * passes.c (execute_todo): Before Cleanup CFG, set
5078 updating_used_alone and after cleanup CFG, call
5079 recalculate_used_alone.
5081 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5084 * tree-vect-transform.c (vectorizable_condition): Move the check
5085 for the type after the check for simple condition.
5087 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5088 Kaz Kojima <kkojima@gcc.gnu.org>
5091 * mode-switching.c (optimize_mode_switching): Make the destination
5092 block of an abnormal edge have no anticipatable mode. Don't
5093 insert mode switching code at the end of the source block of
5096 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5098 PR rtl-optimization/26847
5099 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5100 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5101 (simplify_plus_minus): Count n_constants while filling ops. Replace
5102 qsort with insertion sort. Before going through the array to simplify
5103 pairs, sort it. Delay early exit until after the first sort, exiting
5104 only if no swaps occurred. Simplify pairs in reversed order, without
5105 special-casing the first iteration. Pack ops after simplifying pairs.
5107 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5109 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5110 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5111 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5112 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5114 2006-09-05 Richard Guenther <rguenther@suse.de>
5116 PR tree-optimization/28900
5117 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5118 compound conditional before creating COND_EXPR condition.
5120 2006-09-05 Richard Guenther <rguenther@suse.de>
5122 PR tree-optimization/28905
5123 * tree-vrp.c (fix_equivalence_set): Manually implement
5124 !value_ranges_intersect_p to also handle symbolic ranges.
5126 2006-09-05 Richard Guenther <rguenther@suse.de>
5129 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5132 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5134 PR rtl-optimization/27616
5135 * cse.c (table_size): New static variable.
5136 (new_basic_block): Initialize it to 0.
5137 (remove_from_table): Decrement it.
5138 (insert): Increment it.
5139 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5140 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5141 fold_rtx_mem_1 if under the cap.
5142 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5143 the lookup of the equivalent expression and test for equality of the
5144 first operand of the equivalent expression before in turn looking up
5145 an equivalent constant for the second operand.
5147 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5150 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5151 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5152 pointer, instead of assuming it is possible to derive the
5153 correct args size from a call insn.
5155 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5158 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5159 (fold_builtin_mempcpy): Rename to...
5160 (fold_builtin_memory_op): ... this. Optimize one element copy
5162 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5164 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5165 (expand_builtin_memcpy, expand_builtin_mempcpy,
5166 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5167 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5168 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5169 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5171 2006-09-01 DJ Delorie <dj@redhat.com>
5173 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5174 (stzx_16): Likewise.
5175 ("stzx_24_<mode>"): Likewise.
5176 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5177 ("cmp<mode>_op"): New.
5178 (cmp<mode>): Change to expander; just save operands.
5180 (b<code>): Change to expander, emit compare here.
5181 (s<code>_op): Change to use split and expander.
5182 (s<code>_24_op): Likewise.
5183 (s<code>_<mode>): New.
5184 (s<code>_<mode>_24): New.
5185 (movqicc_<code>_<mode): New.
5186 (movhicc_<code>_<mode>): New.
5189 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5190 (m32c_pend_compare): New.
5191 (m32c_unpend_compare): New.
5192 (m32c_expand_scc): New.
5193 (m32c_expand_movcc): Emit the compare also.
5194 * config/m32c/predicates.md (mra_nopp_operand): New.
5196 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5197 Richard Guenther <rguenther@suse.de>
5198 Adam Nemet <anemet@caviumnetworks.com>
5201 * builtins.c (get_pointer_alignment): Handle more forms
5202 of base addresses that can be used to derive more precise
5203 information about alignment.
5205 2006-09-01 Jason Merrill <jason@redhat.com>
5208 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5211 * gimplify.c (voidify_wrapper_expr): Handle null type.
5213 2006-09-01 Josh Conner <jconner@apple.com>
5216 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5217 (execute_return_slot_opt): Use it.
5219 2006-08-31 Josh Conner <jconner@apple.com>
5222 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5223 returning aggregates.
5225 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5227 PR tree-optimization/28839
5228 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5229 blocks in that phi arguments appear.
5231 2006-08-31 Roger Sayle <roger@eyesopen.com>
5234 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5235 NULL, otherwise use an advance_loc4 to adjust relative to the
5237 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5238 (dwarf2out_switch_text_section): Reset the current label to avoid
5239 using advance_loc4 over section boundaries.
5241 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5244 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5245 r12 + SYMBOLIC_CONST.
5247 2006-08-30 Richard Guenther <rguenther@suse.de>
5249 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5251 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5253 PR rtl-optimization/27735
5254 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5255 Add new argument to keep track of whether an irreducible region
5256 was affected. All callers changed.
5257 (fix_irreducible_loops): Removed.
5258 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5259 flags were invalidated.
5261 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5263 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5264 instead of SF operands.
5265 (*fop_df_comm_sse): Likewise.
5266 (*fop_df_comm_i387): Likewise.
5267 (*fop_df_1_mixed): Likewise.
5268 (*fop_df_1_sse): Likewise.
5270 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5271 J"orn Rennecke <joern.rennecke@st.com>
5273 PR tree-optimization/17506
5274 * tree-ssa.c (warn_uninit): If warning about a location outside of
5275 the current function, note where the variable was declared.
5277 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5279 PR tree-optimization/28411
5280 * double-int.c (double_int_div): Use double_int_divmod.
5281 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5282 double_int_mod, double_int_smod, double_int_umod): New functions.
5283 * double-int.h (double_int_divmod, double_int_sdivmod,
5284 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5286 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5288 (get_computation_aff, get_computation_cost_at): Handle double_int
5289 return type of constant_multiple_of.
5291 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5294 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5295 an implicit conversion.
5297 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5299 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5301 2006-08-27 Roger Sayle <roger@eyesopen.com>
5303 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5306 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5308 * config/i386/crtfastmath.c: Fix a comment typo.
5310 2006-08-26 Roger Sayle <roger@eyesopen.com>
5312 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5313 temporary visit flags on CASE_LABEL_EXPRs.
5314 * c-common.c (match_case_to_enum): Add function comment. Avoid
5315 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5316 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5317 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5318 a constant, only warn if that constant value isn't handled.
5320 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5323 * input.h (restore_input_file_stack): Declare.
5324 (INPUT_FILE_STACK_BITS): Define.
5325 * toplev.c (fs_p, input_file_stack_history,
5326 input_file_stack_restored, restore_input_file_stack): New.
5327 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5328 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5329 (pop_srcloc): Don't free old state of stack.
5331 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5334 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5335 (PowerPC Type Attributes): New.
5337 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5339 * config/xtensa/xtensa.c (function_arg_boundary): New.
5340 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5342 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5343 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5345 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5348 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5351 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5353 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5354 (verify_local_live_at_start): Likewise.
5356 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5359 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5360 omp_add_variable): Treat sizes as variable whenever not
5363 2006-08-26 Richard Guenther <rguenther@suse.de>
5366 * fold-const.c (fold_binary): Fold temporary to correct
5367 type before constructing new comparison.
5369 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5372 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5373 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5375 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5378 * c-decl.c (start_function): Don't try to process prototype
5379 information from old declaration that isn't a function.
5381 2006-08-25 Jan Hubicka <jh@suse.cz>
5384 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5386 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5389 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5392 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5394 PR tree-optimization/16876
5395 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5396 exit if PARM doesn't match VALUE.
5398 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5400 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5401 literal_prefix directive.
5402 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5403 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5404 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5406 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5409 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5410 predicate to general_operand. Add 0->y and I->r alternatives.
5412 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5414 * doc/tm.texi: Fix a typo.
5415 * predict.c: Fix comment typos.
5417 2006-08-25 Nick Clifton <nickc@redhat.com>
5419 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5420 assertions of "cpu" and "machine".
5422 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5425 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5426 the access through a base which has an alias set of 0 cannot
5429 2006-08-24 Bill Wendling <wendling@apple.com>
5431 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5433 2006-08-24 Jan Hubicka <jh@suse.cz>
5435 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5437 2006-08-24 Jan Hubicka <jh@suse.cz>
5440 * cgraph.c: Fix comments.
5441 (cgraph_varpool_mark_needed_node): Mark only variables not already
5443 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5444 (cgraph_varpool_assembled_nodes_queue): New static variable.
5445 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5446 (cgraph_varpool_output_debug_info): New function.
5447 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5448 * Makefile.in: Add gt-cgraphunit.h
5450 2006-08-24 Jan Hubicka <jh@suse.cz>
5452 * predict.c (probability_reliable_p): New predicate.
5453 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5454 (predict_loops): Do not predict loop exit with less than 2%
5456 * basic-block.h (edge_probability_reliable_p,
5457 br_prob_note_reliable_p): Declare.
5458 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5459 prediction when static predictor is not reliable.
5460 * rs6000.c (output_cbranch): Likewise.
5462 2006-08-23 Stuart Hastings <stuart@apple.com>
5465 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5466 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5468 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5471 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5472 complex values, nor for generic vector values.
5474 2006-08-22 Richard Guenther <rguenther@suse.de>
5477 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5478 parameter. Convert arguments to arithmetic expression to the
5480 (analyze_scalar_evolution_1): Adjust caller.
5482 2006-08-22 Jan Hubicka <jh@suse.cz>
5484 Patch by Paolo Bonzini
5485 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5488 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5490 PR tree-optimization/28003
5491 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5492 before grouping aliases.
5494 2006-08-22 Roger Sayle <roger@eyesopen.com>
5496 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5497 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5499 2006-08-21 Jason Merrill <jason@redhat.com>
5502 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5503 wrapper. Loop to handle nested wrappers.
5504 (gimplify_bind_expr): Remove temp parameter.
5505 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5506 and STATEMENT_LIST on the rhs.
5507 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5508 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5509 (gimplify_target_expr): Remove special BIND_EXPR handling.
5511 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5513 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5516 2006-08-21 Olivier Hainque <hainque@adacore.com>
5518 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5519 Arrange for the temporary captures of components overlapping the lhs
5520 to happen before the lhs is possibly cleared.
5522 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5524 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5525 necessary places to pass the correct "number of registers" values
5528 2006-08-20 Jan Hubicka <jh@suse.cz>
5530 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5531 (create_name_tags): Instead of quadratic checking use hashtable.
5532 * bitmap.h: Include hashtab.h.
5533 (bitmap_hash): Declare.
5534 * bitmap.c (bitmap_hash): New function.
5536 2006-08-20 Jan Hubicka <jh@suse.cz>
5538 PR rtl-optimization/28071
5539 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5541 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5542 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5543 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5544 cgraph_decide_inlining_incrementally): Update use of
5545 cgraph_check_inline_limits.
5546 * cgraph.c (edge_hash, edge_eq): New function.
5547 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5548 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5549 cgraph_remove_node): Maintain call site hash.
5550 * cgraph.h (struct cgraph_node): Add call_site_hash.
5551 (cgraph_set_call_stmt): New function.
5553 2006-08-20 Jan Hubicka <jh@suse.cz>
5555 PR rtl-optimization/28071
5556 * reload1.c (reg_has_output_reload): Turn into regset.
5557 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5558 choose_reload_regs, emit_reload_insns): Update to new
5559 reg_has_output_reload.
5561 2006-08-20 Jan Hubicka <jh@suse.cz>
5564 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5565 function body sizes.
5566 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5568 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5571 * tree.c (handle_dll_attribute): Return early if not a
5572 var or function decl.
5574 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5577 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5578 alignment of SPE vector types.
5580 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5582 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5584 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5587 * cgraph.h (struct cgraph_node): Remove externally_visible
5589 * cgraphunit.c (process_function_and_variable_attributes): Set
5590 local.externally_visible rather than externally_visible.
5593 * c-common.c (handle_externally_visible_attribute): First look
5594 at TREE_CODE and only if it is function or var decl, check for
5595 non-public objects. Don't warn for DECL_EXTERNAL.
5596 * cgraphunit.c (process_function_and_variable_attributes): Warn
5597 if externally_visible attribute is used on non-public object.
5599 2006-08-17 Jan Hubicka <jh@suse.cz>
5601 PR tree-optimization/27865
5602 * reload1.c (forget_marked_reloads): New function.
5603 (forget_old_reloads_1): When data are passed, just mark the registers
5605 (reload_as_needed): Use the new mechanizm.
5607 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5610 * reload.h (reg_equiv_alt_mem_list): New declaration.
5611 * reload1.c (reg_equiv_alt_mem_list): New definition.
5612 (reload): Initialize it and release it.
5613 (delete_output_reload): Use it.
5614 * reload.c (push_reg_equiv_alt_mem): New function.
5615 (find_reloads_toplev): Call it.
5616 (find_reloads_address, find_reloads_address_1): Likewise.
5617 (find_reloads_subreg_address): Likewise.
5619 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5621 PR rtl-optimization/28489
5622 * sched-ebb.c (begin_schedule_ready): Create basic block
5624 (advance_target_bb): Skip empty blocks.
5625 * haifa-sched.c (bb_note): Make global.
5626 * sched-int.h (bb_note): Add prototype.
5628 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5630 PR tree-optimization/27865
5631 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5633 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5634 fold_used_pointer, pointer_used_p): New functions.
5635 (analyze_scalar_evolution_1): Use fold_used_pointer.
5636 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5637 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5640 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5643 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5644 or the INTEGER_CST. Fail on a CALL_EXPR.
5645 (fold_offsetof): Pass new argument to fold_offsetof_1.
5646 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5647 operand into an INDIRECT_REF.
5648 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5650 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5652 PR gcov/profile/26570
5653 * value-prof.c (static_values): Removed.
5654 (tree_find_values_to_profile): Do not set static_values.
5655 (find_values_to_profile): Do not free static_values.
5656 * profile.c (instrument_values): Do not free the values.
5657 (branch_prob): Free the values.
5659 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5661 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5663 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5666 * c-typeck.c (build_component_ref): Combine qualifiers of
5667 structure or union and field.
5669 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5671 PR rtl-optimization/28071
5672 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5673 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5674 * tree-into-ssa.c (struct dom_dfsnum): New.
5675 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5677 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5678 compute_global_livein.
5679 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5680 in phi nodes in the correct blocks.
5682 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5684 PR tree-optimization/28364
5685 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5687 (fold_affine_expr): New function.
5688 (may_eliminate_iv): Use fold_affine_expr.
5690 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5693 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5696 2006-08-16 Mike Stump <mrs@apple.com>
5698 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5699 * doc/cppopts.texi (-MD): Likewise.
5701 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5704 * c-common.c (handle_weak_attribute): Ignore and warn if
5705 not a FUNCTION_ or VAR_DECL.
5707 2006-07-15 Mike Stump <mrs@apple.com>
5710 * c-parser.c (c_parser_typeof_specifier): Don't use
5711 c_finish_expr_stmt, open code desired semantics instead.
5713 2006-08-15 Nick Clifton <nickc@redhat.com>
5715 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5716 fragment to tmake_file only if threads are enabled.
5717 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5718 * config/i386/t-gthr-win32: New file. ... here.
5720 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5723 * c-parser.c (c_parser_compound_statement_nostart): Reset
5724 parser->error after each statement.
5726 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5729 * omp-low.c (lower_omp_parallel): Convert t to
5730 receiver_decl's type.
5731 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5732 source before comparison.
5735 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5736 to itype in assignment to oldival2.
5738 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5742 * c-typeck.c (build_compound_expr): If the second expression
5743 is an error mark, then just return an error mark instead of
5744 creating a COMPOUND_EXPR.
5746 2006-07-14 Mike Stump <mrs@apple.com>
5748 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5750 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5752 * c-decl.c, var-tracking.c: Fix comment typos.
5754 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5756 PR rtl-optimization/28634
5757 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5758 for floating-point modes unless flag_unsafe_math_optimizations.
5760 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5761 Andrew Pinski <pinskia@physics.uc.edu>
5764 * tree.c (build_array_type): Unify array types with
5765 unspecified index_type.
5766 * c-decl.c (grokdeclarator): Make sure we do not modify a
5767 unified incomplete array type.
5768 * c-typeck.c (store_init_value): Create distinct type before
5769 filling in the index type in an initializer from a compound
5772 * c-decl.c (grokdeclarator): Remove code where we copy the
5775 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5777 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5778 into account for TODO_dump_cgraph.
5779 (TODO_update_ssa_no_phi): Likewise.
5780 (TODO_update_ssa_full_phi): Likewise.
5781 (TODO_update_ssa_only_virtuals): Likewise.
5782 (TODO_remove_unused_locals): Likewise.
5783 (TODO_set_props): Likewise.
5784 (TODO_update_stmt_usage): Likewise.
5786 2006-08-13 Dirk Mueller <dmueller@suse.de>
5788 * c-common.c (strict_aliasing_warning): Fix formatting.
5790 2006-08-13 Matthias Klose <doko@debian.org>
5792 * doc/invoke.texi: Fix spelling errors.
5794 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5796 PR rtl-optimization/23454
5797 * reorg.c (relax_delay_slots): Update comment.
5799 2006-08-11 Richard Guenther <rguenther@suse.de>
5802 * simplify-rtx.c (simplify_const_relational_operation):
5803 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5806 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5808 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5809 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5811 2006-08-10 Paul Brook <paul@codesourcery.com>
5813 * final.c (final_scan_insn): Clear current_insn_predicate before
5814 outputting inline asm.
5816 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5818 PR tree-optimization/26197
5819 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5820 get_ref_base_and_extent and overlap_subvar to add only relevant
5821 subvars as may-aliases.
5822 (add_may_alias_for_new_tag): New function, factored out of
5824 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5825 with additional argument.
5826 * tree-flow.h (new_type_alias): Takes additional argument.
5828 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5830 * gcov.c (no_data_file): New flag.
5831 (read_count_file): Set it if data file not present. Assume counts
5833 (output_lines): Don't name the data file, if there wasn't one.
5835 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5837 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5838 (rs6000_generate_compare): Tweak comments.
5839 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5841 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5843 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5844 (var_debug_decl): New function.
5845 (var_reg_set): Follow debug decl link. Add location even if
5846 reg is already known to hold some other variable.
5847 (var_mem_set): Follow debug decl link.
5848 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5849 decl link. Delete other known locations of the variable part
5851 (var_reg_delete, var_mem_delete): Delete other known locations
5852 of the variable part if requested.
5853 (same_variable_part_p): New function.
5854 (add_stores): Select MO_COPY when appropriate.
5855 (vt_initialize): Handle it.
5856 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5857 known locations for MO_SET and MO_CLOBBER.
5858 (find_variable_location_part): New function.
5859 (set_variable_part, delete_variable_part): Use it.
5860 (clobber_variable_part): New function.
5861 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5864 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5866 PR tree-optimization/26969
5867 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5868 with an empty list of PHIs.
5870 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5874 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5877 2006-08-06 Andreas Schwab <schwab@suse.de>
5879 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5880 string. Whitespace and comment fixup.
5882 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5885 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5889 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5892 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5894 2006-08-04 Jan Hubicka <jh@suse.cz>
5898 * reload.c (push_reload): Patch out the mismatching instruction;
5900 (find_reload): Bail out if the instruction was patched out.
5902 2006-08-04 Jan Hubicka <jh@suse.cz>
5904 PR tree-optimization/24888
5905 * tree-inline.c (expand_call_inline): Do not re-record variables.
5906 (declare_inline_vars): Add variable to unexpanded_var_list.
5908 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5909 Roger Sayle <roger@eyesopen.com>
5911 PR rtl-optimization/26244
5912 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5913 inner_const are negative or greater than or equal to the bitsize of
5914 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5915 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5916 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5917 CONST0_RTX (mode) when the new shift count is greater than or equal to
5918 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5921 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5923 * tree-cfg.c: Fix a comment typo.
5925 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5928 * varasm.c (output_constant): Give the front end another chance to
5929 expand constants, after stripping NOPs.
5931 2006-08-03 Jan Hubicka <jh@suse.cz>
5933 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5936 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5938 PR tree-optimization/27770
5939 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5940 declaration removed (moved to tree-flow.h).
5941 (vect_can_force_dr_alignment_p): Likewise.
5942 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5943 (moved from tree-vectorizer.h).
5944 (vect_can_force_dr_alignment_p): Likewise.
5945 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5946 from outside the vectorizer - in particular from cgraph stage.
5947 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5948 the alignment of global arrays when -fsection-anchors is enabled.
5949 * cgraphunit.c (cgraph_increase_alignment): New function.
5950 (cgraph_optimize): Call cgraph_increase_alignment.
5952 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5955 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5956 not reload a SPE symbol_ref into a lo_sum address.
5958 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5961 * dwarf2out.c (prune_unused_types_prune): Move call to
5962 prune_unused_types_update_strings to cover the parent DIE also.
5964 2006-08-02 Jan Hubicka <jh@suse.cz>
5966 PR gcov/profile/28480
5967 * tree-cfg.c (change_bb_for_stmt): New function.
5968 (tree_merge_blocks, tree_split_blocks): Use it.
5970 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5976 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5977 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5978 (cgraph_optimize): Likewise.
5980 2006-08-01 Stuart Hastings <stuart@apple.com>
5982 * rtl.h (UINTVAL) New.
5983 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5984 * testsuite/gcc.dg/20060801-1.c: New.
5986 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5989 * c-typeck.c (build_external_type): Mark used enum types.
5990 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5992 (gen_subprogram_die): Whitespace fix.
5994 2006-08-01 Jan Hubicka <jh@suse.cz>
5996 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5997 bitmap when not needed.
5998 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6001 2006-08-01 Dirk Mueller <dmueller@suse.de>
6003 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6005 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6007 * Makefile.in: Revert part of previous patch:
6008 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6011 2006-07-30 Eric Christopher <echristo@apple.com>
6014 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6015 (PowerPC Variable Attributes): New section.
6017 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6019 PR target/28126 (partial fix)
6020 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6022 2006-07-28 Jan Hubicka <jh@suse.cz>
6024 PR rtl-optimization/28071
6025 * cfgrtl.c (rtl_delete_block): Free regsets.
6026 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6028 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6030 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6031 and variables used in dependencies.
6033 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6035 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6036 %fs for -mcmodel=kernel.
6037 (stack_tls_protect_test_di): Likewise.
6039 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6041 * Makefile.in: Use mkinstalldirs.
6043 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6046 * opts-common.c (prune_options): Skip joined switches.
6048 2006-07-27 Jan Hubicka <jh@suse.cz>
6050 PR rtl-optimization/28071
6051 * cselib.c (cselib_process_insn): Don't remove useless values too
6052 often for very large hashtables.
6054 2006-07-27 Jan Hubicka <jh@suse.cz>
6056 PR rtl-optimization/28071
6057 * global.c (greg_obstack): New obstack.
6058 (allocate_bb_info): Use it.
6059 (free_bb_info): Likewise.
6060 (modify_reg_pav): Likewise.
6062 2006-07-27 Roger Sayle <roger@eyesopen.com>
6064 * builtins.c (fold_fixed_mathfn): When long and long long are the
6065 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6066 functions to their lceil*, lfloor*, lround* and lrint* forms.
6068 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6071 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6073 (rev_branch_insn): Likewise.
6075 2006-07-27 Jan Hubicka <jh@suse.cz>
6077 PR rtl-optimization/28071
6078 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6079 (reg_set_in_bb, max_reg_computed): New static variables.
6080 (regmove_optimize): Free the new array.
6081 (fixup_match_1): Update call of reg_is_remote_constant_p.
6083 2006-07-26 Jan Hubicka <jh@suse.cz>
6085 PR tree-optimization/27882
6086 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6088 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6090 (cgraph_analyze_compilation_unit): Likewise.
6091 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6092 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6093 (cgraph_early_inlinine): Make order garbage collected.
6094 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6096 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6098 * dbxout.c (output_types_sort): Add a comment.
6099 (output_used_types): Free the VEC.
6101 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6103 * function.c (reorder_fix_fragments): Delete.
6104 (reorder_blocks): Don't call it.
6105 (reorder_blocks_1): Put all subblocks under the origin block.
6107 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6109 PR rtl-optimization/27907
6110 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6113 2006-07-25 Roger Sayle <roger@eyesopen.com>
6116 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6117 bar(x) check that bar's result type can represent all the values of T.
6119 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6121 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6123 2006-07-25 Nick Clifton <nickc@redhat.com>
6125 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6126 size_lookup[] array.
6127 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6128 (ggc_pch_count_object): Likewise.
6129 (ggc_pch_alloc_object): Likewise.
6130 (ggc_pch_write_object): Likewise.
6131 (init_ggc): Do not attempt to initialize entries in the
6132 size_lookup[] array for objects whose size is greater than than
6133 the length of the array.
6135 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6137 * dbxout.c (output_used_types_helper): Push queued types
6139 (output_types_sort): New.
6140 (output_used_types): Collect used types on a VEC and sort them
6143 2006-07-24 Richard Guenther <rguenther@suse.de>
6146 * cgraph.c (cgraph_remove_node): Do not check if dumps
6148 * cgraphunit.c (cgraph_optimize): Likewise.
6150 2006-07-24 Jan Hubicka <jh@suse.cz>
6152 PR rtl-optimization/28071
6153 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6154 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6155 splitting before first stmt.
6157 2006-07-24 Jan Hubicka <jh@suse.cz>
6159 PR rtl-optimization/28071
6160 * ipa-inline.c (update_caller_keys): Remove edges that
6161 are no longer inline candidates.
6163 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6166 * dbxout.c (output_used_types_helper, output_used_types): New.
6167 (dbxout_symbol): Call output_used_types.
6169 2006-07-23 Jan Hubicka <jh@suse.cz>
6173 * cgraph.c (cgraph_varpool_nodes): Export.
6174 (decide_is_variable_needed): Ignored "used" attribute in
6175 unit-at-a-time mode.
6176 * cgraph.h (cgraph_varpool_nodes): Declare.
6177 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6178 unit-at-a-time mode.
6180 2006-07-23 Roger Sayle <roger@eyesopen.com>
6183 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6184 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6185 the __gthrw form of thr_keycreate.
6186 (__gthread_key_delete): Silence the unused argument warning.
6188 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6191 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6192 Cache the last found '\0' marker to avoid quadratic behavior.
6194 2006-07-23 Jan Hubicka <jh@suse.cz>
6196 * i386.md (subsi_3_zext): Fix output template.
6198 2006-07-21 Mike Stump <mrs@apple.com>
6200 * doc/invoke.texi (C++ Dialect Options): Note that
6201 -fvisibility-inlines-hidden doesn't affect explicitly
6202 instantiationed inline methods.
6204 2006-07-20 Roger Sayle <roger@eyesopen.com>
6206 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6207 if the target assembler is GNU binutils' gas.
6208 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6209 whether to pass GNU gas or native as command line options.
6211 2006-07-20 Jason Merrill <jason@redhat.com>
6213 * tree.c (remove_attribute): New fn.
6214 * tree.h: Declare it.
6216 2006-07-20 Paul Brook <paul@codesourcery.com>
6219 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6220 they are invalidated by this instruction.
6222 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6225 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6227 2006-07-20 Eric Christopher <echristo@apple.com>
6230 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6232 2006-07-19 Eric Christopher <echristo@apple.com>
6234 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6235 Rewrite dependencies for libgcc_s.1.dylib.
6237 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6239 * except.c (duplicate_eh_regions_1): Clear next_peer.
6241 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6243 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6244 -mlongcall does not guarantee all calls will be long.
6245 * doc/extend.texi (long_call/short_call): Document that longcall
6246 does not guarantee a long call will be used.
6247 (longcall/shortcall): Likewise.
6249 2006-07-18 Roger Sayle <roger@eyesopen.com>
6252 * expmed.c (expand_shift): Additionally check that the shift_cost
6253 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6254 before implementing a LSHIFT_EXPR as a sequence of additions.
6255 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6256 middle-end that DImode shifts need to be synthesized by expand.
6258 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6261 * tree-ssa-operands.c (access_can_touch_variable): Update
6263 Return true if ALIAS is .GLOBAL_VAR.
6265 2006-07-18 David Daney <ddaney@avtrex.com>
6267 * gcc.c (display_help): Fix typo in help text.
6269 2006-07-18 Olivier Hainque <hainque@adacore.com>
6271 * tree.h (categorize_ctor_elements): Adjust prototype and add
6272 descriptive comment, both in accordance with the interface change
6274 * varasm.c (constructor_static_from_elts_p): New function.
6275 Whether a constructor node is a valid static constant initializer
6276 if all its elements are.
6277 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6278 * output.h: Declare it.
6279 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6280 is a valid constant initializer instead of computing the number of
6281 non-constant elements. Use constructor_static_from_elts_p for this
6282 purpose. Replace the head comment with an indication that this is a
6283 helper for categorize_ctor_elements.
6284 (categorize_ctor_elements): Same interface change as for the _1
6285 helper. Former head comment from this helper moved here, adjusted to
6286 account for the interface changes.
6287 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6288 (all_zeros_p): Likewise.
6289 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6290 static versions of the constructor from the categorize_ctor_elements
6291 return value instead of the formerly computed number of non-constant
6294 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6296 * configure: Regenerate.
6297 * Makefile.in (build_libsubdir): New configure substitution
6298 (build_libobjdir): New variable.
6299 (BUILD_LIBIBERTY): Use it.
6301 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6304 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6306 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6309 * c-common.c (handle_weakref_attribute): Ignore attribute in
6310 the same conditions the alias attribute is ignored.
6312 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6314 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6315 (dbxout_begin_prologue): Increment scope_labelno.
6317 2006-07-17 Richard Henderson <rth@redhat.com>
6320 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6323 2006-07-17 Roger Sayle <roger@eyesopen.com>
6324 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6326 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6327 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6328 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6329 functions such as sbrk, write, etc.. Add function prototypes.
6330 Convert function declarations from K&R to ISO C. Cast pointers
6331 to "long" and "unsigned long" instead of "int" and "unsigned int".
6332 Convert tokens following #endif into comments.
6334 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6336 * invoke.texi: Remove mention of f77; Reformat table for
6337 inline parameter options correctly; mention that -malign-double
6338 is default on x86-64 targets.
6340 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6342 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6343 (convert_affine_scev, chrec_convert_aggressive): Use
6344 avoid_arithmetics_in_type_p. Do not check for the subtypes
6347 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6350 * optabs.c (expand_doubleword_shift): Wrap the call to
6351 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6353 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6356 * optabs.c (expand_binop): Pass next_methods rather than methods
6357 to expand_doubleword_shift.
6359 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6362 * tree.h (dump_addr): Declare.
6363 * print-tree.c (dump_addr): New function.
6364 (print_node_brief, print_node): Use it.
6365 * print-rtl.c (print_rtx): Likewise.
6366 * common.opt (-fdump-noaddr): New option.
6367 * doc/invoke.texi (-fdump-noaddr): Document.
6368 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6369 (ve_info_hash): Likewise.
6371 2006-07-13 Andrew Haley <aph@redhat.com>
6373 PR tree-optimization/19505
6374 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6375 edge leaving this block, make sure that the destination of this
6376 block has only one predecessor.
6378 2006-07-17 Richard Guenther <rguenther@suse.de>
6380 PR tree-optimization/28238
6381 * tree-inline.c (copy_bb): Check if we produced valid
6382 gimple copying and substituting a stmt. If not, gimplify
6385 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6387 * optabs.c (maybe_encapsulate_block): New function extracted from...
6388 (emit_libcall_block): ...here. Invoke it on the block of insns to
6389 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6390 (emit_no_conflict_block): Likewise.
6392 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6394 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6396 2006-07-15 Roger Sayle <roger@eyesopen.com>
6398 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6399 a new NOP_EXPR case of the switch statement.
6401 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6404 * stor-layout.c (place_field): Take the bit field with
6405 an excessive size into account in the ms-bitfiled case.
6408 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6409 the previous bit field.
6411 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6414 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6416 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6418 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6419 signal frames correctly even when the signal was installed with
6422 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6424 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6425 (dbxout_function_end): Use local label LFBB. Remove hook
6427 (dbxout_source_line): Use local label LFBB.
6428 (dbxout_block): Likewise.
6429 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6430 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6431 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6432 and DBX_OUTPUT_NFUN.
6434 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6436 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6438 2006-07-13 Jan Hubicka <jh@suse.cz>
6440 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6442 * output.h (align_variable): Declare.
6443 * varasm.c (align_variable): Export.
6444 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6445 when basic block changed.
6447 2006-07-13 Nick Clifton <nickc@redhat.com>
6449 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6450 walking the LOG_LINKS chain.
6452 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6454 * doc/invoke.texi (C++ Dialect Options): Explain difference
6455 between -fvisibility-inlines-hidden and setting hidden
6456 visibility explicitly.
6458 2006-07-12 Eric Christopher <echristo@apple.com>
6460 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6461 (stmp-lipo): Depend on libgcc.a.
6463 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6465 * tree.c: Fix a comment typo.
6467 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6469 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6471 (umulhisi3_r): Likewise.
6473 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6476 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6477 x < 19, vs wchar_t support.
6479 2006-07-12 Nick Clifton <nickc@redhat.com>
6481 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6482 instead of -isa=sh4.
6484 2006-07-12 Mike Stump <mrs@apple.com>
6486 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6488 2006-07-10 Eric Christopher <echristo@apple.com>
6490 * config/t-slibgcc-darwin: Rewrite.
6492 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6495 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6498 2006-07-08 Matthias Klose <doko@debian.org>
6500 * doc/sourcebuild.texi: Fix typo.
6502 2006-07-07 Mike Stump <mrs@apple.com>
6504 * toplev.c (process_options): Don't give -ffunction-sections may
6505 affect debugging warning for Mach-O.
6507 2006-07-07 James E Wilson <wilson@specifix.com>
6509 * config/mips/mips.md (cpu): Add sb1a.
6510 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6511 addition to sb1. Adjust comments to clarify SB-1A differences from
6513 (ir_sb1a_load): New. Modify bypasses to use it.
6514 (ir_sb1a_simple_alu): Likewise.
6515 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6516 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6517 (mips_issue_rate): Add PROCESSOR_SB1A.
6518 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6519 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6520 (TARGET_SB1): Add PROCESSOR_SB1A check.
6521 (TUNE_SB1): Likewise.
6523 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6524 * config/mips/mips.c (mips_store_data_bypass_p): New.
6525 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6526 store_data_bypass_p.
6528 2006-07-08 Paul Brook <paul@codesourcery.com>
6531 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6533 2006-07-07 Richard Guenther <rguenther@suse.de>
6536 * tree.h (build_one_cst): Declare.
6537 * tree.c (build_one_cst): New function.
6538 * tree-ssa-math-opts.c (get_constant_one): Remove.
6539 (insert_reciprocals): Use build_one_cst.
6540 * fold-const.c (fold_plusminus_mult): Likewise.
6542 2006-07-07 Roger Sayle <roger@eyesopen.com>
6544 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6545 * cfgloopanal.c (dump_graph): Likewise.
6546 * dojump.c (discard_pending_stack_adjust): Likewise.
6547 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6549 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6550 * function.c (finalize_block_changes): Likewise.
6551 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6552 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6553 * rtl.c (dump_rtx_statistics): Likewise.
6554 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6556 * varray.c (dump_varray_statistics): Likewise.
6557 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6558 decode_decimal64, encode_decimal128, decode_decimal128,
6559 decimal_real_to_decimal): Likewise.
6561 2006-07-07 Richard Guenther <rguenther@suse.de>
6563 PR tree-optimization/28187
6564 * tree-vrp.c (vrp_operand_equal_p): New function.
6565 (vrp_bitmap_equal_p): Likewise.
6566 (update_value_range): Use them to compare old and new
6569 2006-07-06 Roger Sayle <roger@eyesopen.com>
6571 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6572 a default case to switch statement to silence compiler warnings.
6574 2006-07-06 Roger Sayle <roger@eyesopen.com>
6577 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6578 the configured assembler supports the x87's ffreep mnemonic.
6579 * configure: Regenerate.
6580 * config.in: Regenerate.
6582 * config/i386/i386.c (output_387_ffreep): New function.
6583 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6584 (output_387_reg_move): Likewise.
6586 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6588 Port to hosts whose 'sort' and 'tail' implementations
6589 treat operands with leading '+' as file names, as POSIX
6590 has required since 2001. However, make sure the code still
6591 works on pre-POSIX hosts.
6592 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6593 which says you should use "tail -c +N" rather than "tail +Nc".
6594 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6596 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6598 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6601 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6604 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6605 PRE_{INC,DEC} of TFmode.
6607 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6608 Alan Modra <amodra@bigpond.net.au>
6611 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6614 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6617 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6618 Remove duplicate gtu.
6620 2006-07-05 Jason Merrill <jason@redhat.com>
6624 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6625 * c-common.c (handle_packed_attribute): So don't copy it here.
6626 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6628 2006-07-05 Mike Stump <mrs@apple.com>
6630 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6632 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6635 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6637 2006-07-05 Richard Guenther <rguenther@suse.de>
6640 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6641 TARGET_SSE2 targets if using SSE math.
6642 (*absdf2_1): Likewise.
6644 2006-07-05 Richard Guenther <rguenther@suse.de>
6646 PR tree-optimization/28162
6647 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6648 make sure to convert the operands to the correct type.
6650 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6652 PR tree-optimization/28218
6654 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6655 to calculate and free the dominator information.
6657 2006-07-04 Peter O'Gorman <peter@pogma.com>
6659 * mklibgcc.in: chmod 644 before ranlib during install.
6661 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6662 J"orn Rennecke <joern.rennecke@st.com>
6664 * configure.ac (.eh_frame data check): Use diff -b.
6666 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6669 * Makefile.in (BUILD_RTL): Add build/vec.o.
6670 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6671 (build/genextract): Delete.
6672 (build/genautomata): Likewise.
6674 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6677 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6678 128-bit IBM long doubles for ABI_V4.
6680 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6682 * tree.c (range_in_array_bounds_p): New predicate.
6683 * tree.h (range_in_array_bounds_p): Declare it.
6684 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6685 return a less conservative answer.
6686 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6687 and flag 'is_group'.
6688 (IS_ELEMENT_FOR_GROUP): New macro.
6689 (FOR_EACH_ACTUAL_CHILD): Likewise.
6690 (next_child_for_group): New helper function.
6691 (can_completely_scalarize_p): Take into account groups.
6692 (sra_hash_tree): Handle RANGE_EXPR.
6693 (sra_elt_eq): Likewise.
6694 (lookup_element): Be prepared for handling groups.
6695 (is_valid_const_index): Delete.
6696 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6697 instead of is_valid_const_index.
6698 <ARRAY_RANGE_REF>: New case.
6699 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6700 is_valid_const_index.
6701 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6702 (scan_dump): Dump info for groups too.
6703 (decide_instantiation_1): Likewise.
6704 (decide_block_copy): Assert that the element is not a group.
6705 Propagate decision to groups.
6706 (generate_one_element_ref): Handle RANGE_EXPR.
6707 (mark_no_warning): Iterate over actual childs.
6708 (generate_copy_inout): Likewise.
6709 (generate_element_copy): Likewise.
6710 (generate_element_zero): Likewise.
6711 (generate_element_init_1): Likewise.
6712 (dump_sra_elt_name): Handle RANGE_EXPR.
6714 2006-07-03 Roger Sayle <roger@eyesopen.com>
6716 PR tree-optimization/26251
6717 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6718 (thread_block): When optimizing for size refuse to thread jumps
6719 that would require duplication of blocks other than redirection
6722 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6724 * configure.ac: Fix thinko in previous check-in.
6725 * configure: Regenerate.
6727 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6730 * configure.ac (for lang...): Simplify nesting of conditionals.
6731 Test subdir_requires for non-enabled languages. Move processing
6732 of lang_opt_files and lang_tree_fiels below that test.
6733 * configure: Regenerate.
6734 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6736 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6738 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6740 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6742 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6745 2006-06-29 Jason Merrill <jason@redhat.com>
6752 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6753 * c-common.c (c_determine_visibility): Handle it here.
6754 * c-decl.c (finish_decl): Call c_determine_visibility for
6756 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6758 * varasm.c (default_assemble_visibility): Likewise.
6759 * c-common.c (handle_visibility_attribute): Complain about trying
6760 to give visibility to an already defined class, or trying to change
6761 declared visibility. Always attach the attribute.
6766 * attribs.c (decl_attributes): Ignore type-in-place attributes
6767 once the type has been defined.
6769 2006-06-29 Roger Sayle <roger@eyesopen.com>
6772 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6773 to indicate the cpplib has issued an error message for us.
6775 2006-06-29 Asher Langton <langton2@llnl.gov>
6778 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6779 insert a label at the end of an function under Mach-O.
6781 2006-06-29 Eric Christopher <echristo@apple.com>
6782 Evan Cheng <evan.cheng@apple.com>
6784 * predicates.md (vector_all_ones_operand): New.
6785 (nonimmediate_or_sse_const_operand): Ditto.
6786 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6787 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6788 (standard_sse_mode_p): Ditto.
6789 (standard_sse_constant_p): Add case for -1 vector.
6790 (ix86_expand_vector_move): Try to use.
6791 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6792 Call standard_sse_constant_opcode.
6793 (*movv4sf_internal): Ditto.
6794 (*movv2df_internal): Ditto.
6796 2006-06-29 Roger Sayle <roger@eyesopen.com>
6798 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6799 of XEXP to extract the operands of a MATCH_CODE rtx.
6801 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6803 * tree.c (tree_size): Do not waste tail padding in
6804 struct tree_string and make the size be the same as
6805 build_string will generate.
6807 2006-06-28 Jason Merrill <jason@redhat.com>
6810 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6811 may_aliases already in the tag's annotations to the bitmap.
6813 2006-06-28 Roger Sayle <roger@eyesopen.com>
6815 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6817 2006-06-28 Roger Sayle <roger@eyesopen.com>
6819 * genpreds.c (generate_switch_p): New function.
6820 (add_mode_tests): Push the new mode test down inside an AND expr
6821 if this allows the switch-suitable MATCH_CODE to be near the root.
6822 (write_match_code_switch): New function to write a MATCH_CODE as
6824 (write_predicate_stmts): New function to write a predicate RTX
6825 expression as a sequence of statements.
6826 (write_one_predicate_function): Use write_predicate_stmts.
6827 (write_tm_constrs_h): Likewise.
6829 2006-06-26 Fred Fish <fnf@specifix.com>
6831 * config/mips/t-sb1: New file.
6832 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6835 2006-06-26 DJ Delorie <dj@redhat.com>
6837 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6839 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6840 Jayant Sonar <jayants@kpitcummins.com>
6841 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6843 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6844 (subsi3, subsi3_1, subsi3_2): New.
6845 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6846 * config/m32c/mov.md (SI mov peephole): New.
6847 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6848 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6850 2006-06-26 Olivier Hainque <hainque@adacore.com>
6852 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6853 a CALL_EXPR target function declaration.
6855 2006-06-26 Richard Guenther <rguenther@suse.de>
6857 * tree.c (build_string): Do not waste tail padding in
6860 2006-06-26 Richard Guenther <rguenther@suse.de>
6862 * ggc-page.c (init_ggc): Add missing element to size_lookup
6866 2006-06-23 Richard Guenther <rguenther@suse.de>
6868 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6869 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6870 alignment requests instead. Add verification code.
6871 Add struct tree_function_decl and struct tree_binfo size to
6872 extra_order_size_table. Add missing element to size_lookup
6875 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6878 * fold-const.c (const_binop): Be prepared for self returning zero.
6879 Simplify code handling complex values.
6881 2006-06-24 Olivier Hainque <hainque@adacore.com>
6883 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6884 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6887 2006-06-24 Olivier Hainque <hainque@adacore.com>
6889 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6890 ARRAY_REF, so have the callback called for the low bound expression.
6892 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6894 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6895 * c-typeck.c (c_common_type): Disallow operations on decimal float
6896 types and other float types.
6897 * convert.c (convert_to_real): Don't ignore conversions involving
6898 decimal float types.
6900 2006-06-23 Olivier Hainque <hainque@adacore.com>
6902 * tree.c (max_int_size_in_bytes): New function, inspired from
6903 code in function.c:assign_temp.
6904 * tree.h (max_int_size_in_bytes): Declare.
6905 * function.c (assign_temp): Use it.
6906 * gimplify.c (create_tmp_var): Relax the assertions on the type
6907 properties, not mandating constant size any more.
6908 (force_constant_size): New static function.
6909 (gimple_add_tmp_var): Use it, forcing variable size to a
6910 constant upper bound if it is not constant on entry.
6912 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6915 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6916 for initialization and setting of one_only flag to ...
6917 (i386_pe_encode_section_info): ...here.
6918 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6919 Recheck that the symbol has not been defined.
6921 2006-06-23 Richard Guenther <rguenther@suse.de>
6923 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6924 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6925 alignment requests instead. Add verification code.
6926 Add struct tree_function_decl and struct tree_binfo size to
6927 extra_order_size_table. Add missing element to size_lookup
6930 2006-06-22 Roger Sayle <roger@eyesopen.com>
6931 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6934 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6935 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6937 2006-06-23 Ben Elliston <bje@au.ibm.com>
6939 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6940 negate dn -- manipulate it directly.
6942 2006-06-22 Roger Sayle <roger@eyesopen.com>
6943 Steven Bosscher <stevenb.gcc@gmail.com>
6946 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6947 generated by gen_move_insn to add REG_LABEL notes if necessary.
6949 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6951 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6952 (leaf_entry): Remove use of MIN_ESA.
6954 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6956 PR rtl-optimization/28121
6957 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6960 2006-06-21 DJ Delorie <dj@redhat.com>
6962 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6964 (mulhisi3_r): Likewise.
6966 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6969 * coverage.c (coverage_counter_alloc): Leave the index type
6971 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6974 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6976 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6977 section from the "Options for Code Generation Conventions".
6979 2006-06-21 Richard Henderson <rth@redhat.com>
6983 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6985 (global_symbolic_operand): Allow weak symbols, even if local_p.
6987 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6989 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6990 (find_interesting_uses_address): Punt if above function returns true.
6992 2006-06-21 Richard Guenther <rguenther@suse.de>
6994 * configure: Regenerated.
6996 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6998 * config/mips/mips.c (function_arg): Where one part of a
6999 complex argument is in registers and the other part in the stack,
7000 return a REG not a PARALLEL.
7002 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7004 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7005 when cross-compiling. Do not substitute libstdcxx_incdir.
7006 * configure: Regenerated.
7008 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7010 * varasm.c (mergeable_string_section): Check for embedded NULs and
7011 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7012 rather than TREE_STRING_LENGTH bytes.
7014 2006-06-21 Richard Guenther <rguenther@suse.de>
7016 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7017 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7020 2006-06-21 Richrad Guenther <rguenther@suse.de>
7022 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7023 Limit iteration over the dominators.
7025 2006-06-20 Roger Sayle <roger@eyesopen.com>
7027 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7028 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7030 2006-06-20 Richard Guenther <rguenther@suse.de>
7031 Michael Matz <matz@suse.de>
7033 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7035 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7036 * et-forest.h (et_free_pools): Prototype new function.
7037 * et-forest.c (et_free_tree_force): Free parent occurrence.
7038 (et_free_pools): New function.
7039 * dominance.c (free_dominance_info): Free et-forest alloc
7042 2006-06-20 Roger Sayle <roger@eyesopen.com>
7044 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7045 integer modes, attempt to directly construct an integer constant.
7047 * fold-const.c (native_encode_vector): Determine the size of each
7048 element from the vector type instead of the first vector element.
7050 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7051 if all of its elements/components are constant.
7052 (build_constructor_from_list): Likewise.
7054 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7056 PR tree-optimization/27331
7057 * tree-data-ref.c (free_data_ref): New function.
7058 (create_data_ref): Fail if the data reference has unknown access
7060 (free_data_refs): Use free_data_ref.
7062 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7065 * tree-inline.c (setup_one_parameter): Strip useless
7066 type conversion before adding it to the IR.
7067 (declare_return_variable): Likewise.
7069 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7072 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7074 2006-06-19 Mike Stump <mrs@apple.com>
7076 * tree.c (variably_modified_type_p): VM arguments don't make the
7079 2006-06-19 Richard Guenther <rguenther@suse.de>
7081 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7082 type conversions after folding.
7084 2006-06-19 Richard Guenther <rguenther@suse.de>
7086 * ggc-page.c (extra_order_size_tab): Add entries with
7087 size of struct function and basic_block.
7088 (size_lookup): Extend to cover sizes up to 511.
7089 (ggc_alloc_stat): Adjust user.
7090 (ggc_pch_count_object): Likewise.
7091 (ggc_pch_alloc_object): Likewise.
7092 (ggc_pch_write_object): Likewise.
7094 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7096 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7097 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7100 2006-06-19 Denis Chertykov <denisc@overta.ru>
7102 * config/avr/libgcc.S : Correct my wrong previous commit.
7104 2006-06-19 Roger Sayle <roger@eyesopen.com>
7107 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7108 have stripped a SUBREG from the shift count, so we may need to
7109 convert_to_mode back to the type's mode before calling make_tree.
7110 Use new_amount instead of amount to avoid expanding a tree twice.
7112 2006-06-19 Richard Guenther <rguenther@suse.de>
7115 * fold-const.c (operand_equal_p): Check if the argument types
7116 have the same precision before stripping NOPs.
7118 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7120 Fix PR tree-optimization/27341
7121 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7123 * tree-complex.c (pass_lower_complex): Update SMT usage.
7125 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7127 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7128 Add a new alternative to the constraint strings. Add move of
7129 operand 1 to 3 to the splitter definition.
7130 ("doloop_si_long"): Second contraint alternative removed.
7132 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7134 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7135 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7137 (AVR_HAVE_MOVW) Define.
7138 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7139 (ASM_SPEC): Add avr25.
7140 (LINK_SPEC): Add avr25.
7141 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7142 (base_arch_s): Add new member 'have_movw_lpmx'.
7143 (avr_arch_types): Init 'have_movw_lpmx'.
7144 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7145 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7146 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7147 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7148 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7150 (avr_file_start): Do not output '.arh' derective.
7151 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7152 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7153 * config/avr/avr.md (mcu_enhanced): Delete.
7154 (mcu_have_movw): Define.
7155 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7156 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7157 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7158 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7159 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7160 attiny861 and at86rf401 devices.
7162 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7164 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7167 2006-06-17 Karl Berry <karl@gnu.org>
7169 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7170 doc/gccint.texi, doc/install.texi (@dircategory): Use
7171 "Software development" instead of "Programming", following
7172 the Free Software Directory.
7174 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7176 * config/i386/i386.c (legitimate_tls_address)
7177 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7178 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7179 (*tls_dynamic_gnu2_combine_64): Likewise.
7181 2006-06-16 Richard Guenther <rguenther@suse.de>
7184 * fold-const.c (negate_expr_p): Do not introduce undefined
7185 overflow in negating INTEGER_CSTs.
7186 (fold_negate_expr): Rename from negate_expr. Revert last
7187 change for folding BIT_NOT_EXPR. Change semantics to
7188 return NULL_TREE for non-simplified negations. Do not
7189 strip type conversions and unify type handling.
7190 (negate_expr): New function, wrap around fold_negate_expr
7191 but ensure building a tree always. Strip type conversions
7192 here, fold to result type.
7193 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7195 2006-06-16 Roger Sayle <roger@eyesopen.com>
7198 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7199 that (would) return their results in stack registers.
7201 2006-06-16 Michael Matz <matz@suse.de>
7202 Richard Guenther <rguenther@suse.de>
7204 * fold-const.c (fold_truthop): Only return new tree node if
7205 we canonicalized something.
7207 2006-06-16 Richard Guenther <rguenther@suse.de>
7209 * function.h (enum function_frequency): Move declaration
7210 out of struct function.
7211 (struct function): Move bool fields and the enum to the bitfield
7212 section. Reorder elements to avoid padding. Remove unused
7213 fields left over from the RTL inliner removal.
7214 * function.c (free_after_compilation): Do not zero removed fields.
7215 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7216 (ipa-type-escape.o): Likewise.
7218 2006-06-16 Richard Guenther <rguenther@suse.de>
7220 * cgraph.h (struct cgraph_local_info): Turn bool elements
7222 (struct cgraph_node): Likewise.
7223 (struct cgraph_varpool_node): Likewise.
7225 2006-06-15 Richard Guenther <rguenther@suse.de>
7227 * fold-const.c (fold_truth_not_expr): Rename from
7228 invert_truthvalue. Give it fold_* semantics to avoid
7230 (invert_truthvalue): New function. Wrapper around
7231 fold_truth_not_expr.
7232 (optimize_minmax_comparison): Avoid creating garbage.
7233 (fold_unary): Use fold_truth_not_expr for folding
7235 (fold_ternary): Replace uses of invert_truthvalue with
7236 fold_truth_not_expr where applicable.
7237 * tree.h (fold_truth_not_expr): Prototype.
7239 2006-06-16 Richard Guenther <rguenther@suse.de>
7241 PR tree-optimization/27781
7242 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7243 * ipa-pure-const.c (target.h): Include.
7244 (analyze_function): Do not analyze functions that do not
7247 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7250 * tree-dfa.c (referenced_vars_dup_list): Remove.
7251 (find_referenced_vars): Remove assert.
7252 (referenced_var_check_and_insert): Replace dup list with assert.
7253 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7254 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7256 2006-06-15 Richard Guenther <rguenther@suse.de>
7258 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7259 extra unused identifiers if not dumping.
7260 (create_variable_info_for): Likewise.
7262 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7264 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7265 (derive_constant_upper_bound): Derive more precise upper bound in
7266 common cases. Return type changed to double_int.
7267 (record_estimate): Reflect the changed return type of
7268 derive_constant_upper_bound.
7269 * double-int.c (double_int_zext, double_int_sext): Fix.
7271 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7273 * configure.ac (CFLAGS): Get them from the toplevel or from the
7274 configure invocation.
7275 * configure: Regenerate.
7276 * Makefile.in (CFLAGS): Substitute value provided by configure.
7278 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7281 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7282 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7283 rather than calling add_stmt on it.
7284 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7286 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7289 * reload1.c (reload): Remove registers returned by update_eliminables
7290 from used_spill_regs.
7292 2006-06-13 DJ Delorie <dj@redhat.com>
7294 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7296 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7298 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7299 html__strip_dir, html__mkdir_p. Enhance install-html target.
7300 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7301 * configure: Regenerate.
7303 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7305 * fold-const.c (fold_cond_expr_with_comparison): Check for
7306 Objective-C++ as language in deciding COND_EXPR transformation.
7308 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7311 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7312 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7313 * config/sh/lib1funcs.h (SL, SL1): Define.
7314 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7315 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7316 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7317 (OBJS_Os_4_200): New variable.
7318 ($(T)libgcc-Os-4-200.a): Use it.
7319 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7320 when dividing 1 and/or by 0.
7322 2006-06-13 Roger Sayle <roger@eyesopen.com>
7324 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7325 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7326 * configure: Regenerate.
7328 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7330 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7331 for real instruction.
7333 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7336 * haifa-sched.c (check_cfg): Handle special case.
7338 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7341 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7342 Add debug_info parameter. Chain the vars to the BLOCK instead
7343 of the BIND_EXPR if debug info are requested for them.
7344 (pop_gimplify_context): Adjust for above change.
7345 (gimple_add_tmp_var): Likewise.
7346 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7348 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7349 (convert_local_reference): Likewise.
7350 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7351 (finalize_nesting_tree_1): Request that debug info be emitted
7352 for debug_var_chain.
7354 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7356 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7357 for PR target/27863.
7359 2006-06-13 Richard Guenther <rguenther@suse.de>
7362 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7364 2006-06-13 Richard Guenther <rguenther@suse.de>
7366 PR tree-optimization/27830
7367 * tree-inline.c (copy_body_r): For copying the operand
7368 of an ADDR_EXPR make sure to fold &* afterwards.
7370 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7372 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7373 lvalues in the fb_none case with side-effects.
7375 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7377 * tree-flow.h: Remove the prototype for
7378 compute_phi_arg_on_exit.
7379 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7380 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7383 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7385 * builtins.c (expand_builtin_return_addr): Only use
7386 frame_pointer_rtx when count == 0 and we are expanding
7387 __builtin_return_address.
7389 2006-06-12 Fred Fish <fnf@specifix.com>
7391 * config/mips/mips.c (mips_file_start): Create special section
7392 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7394 2006-06-11 Eric Christopher <echristo@apple.com>
7397 * stor-layout.c (place_field): Remove check for
7398 remaining_in_alignment when aligning at the end of a run.
7400 2006-06-11 Eric Christopher <echristo@apple.com>
7403 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7406 2006-06-11 Roger Sayle <roger@eyesopen.com>
7409 Revert incorrect fix for PR target/27158
7410 2006-05-08 Roger Sayle <roger@eyesopen.com>
7411 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7412 of a reg_equiv_constant if the result is a legitimate constant.
7414 2006-06-11 Roger Sayle <roger@eyesopen.com>
7417 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7418 extract a CONST_VECTOR element and interpret it as an integer.
7419 (vspltis_constant): Use const_vector_elt_as_int instead of the
7420 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7421 * config/rs6000/predicates.md (easy_vector_const): Consider
7422 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7424 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7427 * stor-layout.c (update_alignment_for_field): Don't add extra
7428 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7431 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7433 * config/mips/t-rtems: Add EL/EB multilib variants.
7435 2006-06-09 Mike Stump <mrs@apple.com>
7437 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7439 2006-06-09 David Daney <ddaney@avtrex.com>
7441 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7443 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7445 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7447 2006-06-09 Richard Guenther <rguenther@suse.de>
7449 PR tree-optimization/26998
7450 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7451 of signed types, only TYPE_MIN_VALUE is special, but for both,
7452 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7453 in this case, as is -fwrapv.
7455 2006-06-08 Mike Stump <mrs@apple.com>
7458 * config/darwin.c (darwin_asm_output_anchor): Disable
7459 -fsection-anchors on darwin for now.
7460 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7461 * rs6000/rs6000.c (optimization_options): Likewise.
7463 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7466 * config/i386/i386.c (classify_argument): Skip fields with invalid
7469 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7471 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7472 (cse_insn): Likewise for the stack_pointer_rtx.
7474 2006-06-08 Roger Sayle <roger@eyesopen.com>
7476 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7477 conditions from floating point comparisons.
7479 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7482 * expmed.c (struct alg_hash_entry): Fix type of field T
7483 to match synth_mult argument.
7484 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7486 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7489 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7492 2006-06-08 Richard Guenther <rguenther@suse.de>
7495 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7496 only, if overflow is defined and not trapping.
7497 (negate_expr): Likewise.
7499 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7501 PR tree-optimization/27872
7502 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7503 flag on the new exit edge of the unrolled loop.
7505 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7507 PR rtl-optimization/26449
7508 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7510 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7513 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7514 referenced_variables with matching DECL_UID's.
7515 (find_referenced_vars): Make sure duplicate list is empty to start.
7516 (referenced_var_p): Remove.
7517 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7518 Check if var is in the list, and add if needed. Update the duplicate
7519 list if a different var is in the list with the same DECL_UID.
7520 (add_referenced_var): Call routine to check and insert.
7521 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7522 * tree-flow.h (referenced_vars_dup_list): External declaration.
7524 2006-06-07 Fred Fish <fnf@specifix.com>
7526 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7529 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7532 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7533 the imaginary and real parts of a clobbered register.
7534 Emit insn to set the imaginary part.
7536 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7538 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7539 in lieu of unwind-dw2-fde.c.
7541 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7543 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7545 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7548 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7549 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7550 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7551 V4SImode temporaries and operations instead.
7553 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7555 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7558 2006-06-06 Mike Stump <mrs@apple.com>
7560 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7561 installing during build.
7563 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7565 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7567 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7568 * config/ia64/ia64.c (params.h): New header.
7569 (ia64_optimization_options): New function to adjust parameters.
7570 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7571 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7572 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7574 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7576 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7578 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7581 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7583 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7584 Victor Kaplansky <victork@il.ibm.com>
7586 PR tree-optimization/26360
7587 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7590 2006-06-04 Roger Sayle <roger@eyesopen.com>
7591 Andrew Pinski <pinskia@physics.uc.edu>
7594 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7595 for LABEL_DECL before calling DECL_WEAK.
7598 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7599 LABEL_DECL and PARM_DECL.
7601 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7605 * c-decl.c (grokdeclarator): Disallow variably modified types at
7606 file scope. Avoid marking shared array type of constant size as
7609 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7612 * c-common.c (fold_offsetof_1): Handle static members.
7614 2006-06-04 Eric Christopher <echristo@apple.com>
7616 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7617 (debug_rli): Output value for remaining_in_alignment.
7618 (update_alignment_for_field): Unconditionalize
7619 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7620 extra alignment code.
7621 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7622 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7623 * tree.h (record_layout_info_s): Remove prev_packed.
7624 * doc/extend.texi (ms_struct): Add documentation of format.
7626 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7628 * tree.h: Declare folding_initializer.
7629 * builtins.c (fold_builtin_constant_p): Give definite answer
7630 if folding inside an initializer.
7631 * fold-const.c: Define folding_initializer.
7632 (START_FOLD_INIT): Save and then set folding_initializer.
7633 (END_FOLD_INIT): Restore folding_initializer.
7635 2006-06-04 Richard Guenther <rguenther@suse.de>
7637 PR tree-optimization/27039
7638 * fold-const.c (fold_comparison): Handle pointer comparison
7639 again for all comparison codes. Compare offsets in signed
7641 (fold_binary): Move code from here.
7643 2006-06-03 Roger Sayle <roger@eyesopen.com>
7646 * config/i386/i386.c (construct_container): Split static issued_error
7647 flag into issued_sse_arg_error, issued_sse_ret_error and
7648 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7649 requires the use of x87 registers and the user explicitly
7650 specified the -mno-80387 command line option.
7652 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7654 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7655 HAVE_DECL_SIGALTSTACK.
7657 (segv_handler): Use MC_FLD.
7658 * configure.ac: Check for a sigaltstack declaration.
7659 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7660 * configure: Regenerate.
7661 * config.in: Regenerate.
7663 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7666 * Makefile.in (stmp-fixinc): Fix typo.
7668 2006-06-02 Roger Sayle <roger@eyesopen.com>
7670 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7671 are type correct. Clean-up.
7672 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7673 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7675 2006-06-01 DJ Delorie <dj@redhat.com>
7677 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7678 shift, as we've disabled the "switch" insn that needs it.
7680 2006-06-01 Per Bothner <bothner@bothner.com>
7682 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7683 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7684 * c-ppoutput.c (cb_define): Don't increment line 0.
7686 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7688 * doc/invoke.texi: Add cpu_type power6.
7689 * config.gcc: Add cpu_type power6.
7690 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7691 to power5+ with Altivec.
7692 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7693 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7695 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7697 * config/avr/avr.h (SET_ASM_OP): Define.
7699 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7701 * config/bfin/bfin.c: Fix comment typos.
7703 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7706 * doc/install.texi: Document --enable-bootstrap and
7707 --disable-bootstrap.
7709 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7711 * doc/install.texi: Document that InfoZIP can replace jar.
7713 2006-05-31 Roger Sayle <roger@eyesopen.com>
7715 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7716 isn't available, directly generate the simpler x87 patterns without
7717 the (use (const_int 0)).
7718 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7719 implementation isn't available.
7720 (*negdf2_1): Likewise.
7721 (*negxf2_1): XF mode negation is always done using the x87.
7722 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7724 2006-05-31 Roger Sayle <roger@eyesopen.com>
7726 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7727 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7729 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7731 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7733 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7734 * config/bfin/bfin.c (basic-block.h): Include.
7735 (struct machine_function): New.
7736 (bfin_init_machine_status): New.
7737 (override_options): Initialize init_machine_status.
7738 (bfin_hardware_loop): New.
7739 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7740 (DEF_VEC_P (loop_info)): New.
7741 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7742 (struct loop_info): New.
7743 (loop_info): New typedef.
7744 (struct loop_work): New.
7745 (loop_work): New typedef.
7746 (DEF_VEC_O (loop_work)): New.
7747 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7748 (bfin_dump_loops): New.
7749 (bfin_bb_in_loop): New.
7750 (bfin_scan_loop): New.
7751 (bfin_optimize_loop): New.
7752 (bfin_reorg_loops): New.
7753 (bfin_reorg): Use bfin_reorg_loops.
7754 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7756 (I_REGNO_P): Simplify.
7757 (DP_REGNO_P, DPREG_P): New macros.
7758 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7759 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7760 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7761 Add LT_REGS, LC_REGS, LB_REGS.
7762 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7764 (REGNO_REG_CLASS): Deal with loop registers.
7765 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7767 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7768 New constants for loop registers.
7769 (UNSPEC_LSETUP_END): New.
7770 (seq_insns): New define_attr. Set it for appropriate insns.
7771 (movsi_insn): Add alternatives for move from/to
7772 loop count registers.
7773 (doloop_end): New define_expand.
7774 (loop_end): New define_insn.
7775 (define_split for bad doloop_end): New.
7776 (lsetup_with_autoinit): New define_insn.
7777 (lsetup_without_autoinit): New define_insn.
7778 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7779 * config/bfin/predicates.md (lc_register_operand): New.
7780 (lt_register_operand): New.
7781 (lb_register_operand): New.
7782 (nondp_register_operand): New.
7783 (nondp_reg_or_memory_operand): New.
7784 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7786 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7788 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7789 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7791 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7793 * Makefile.in (CATALOGS): Add po/ prefix.
7794 * configure: Regenerated.
7796 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7799 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7800 a shift operand before calling shift_op. Avoid redundant call of
7803 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7804 DJ Delorie <dj@redhat.com>
7806 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7807 we're inserting is a singlt-bit constant.
7809 2006-05-30 Roger Sayle <roger@eyesopen.com>
7811 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7812 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7814 2006-05-30 Roger Sayle <roger@eyesopen.com>
7816 PR tree-optimization/23452
7817 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7818 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7819 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7820 complex values and with -ffast-math for FP complex values.
7822 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7824 * c-common.h: Remove the prototype for yyparse.
7825 * rtl.h: Remove the prototype for init_loop.
7827 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7829 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7832 2006-05-30 Roger Sayle <roger@eyesopen.com>
7834 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7836 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7837 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7839 2006-05-30 Dirk Mueller <dmueller@suse.de>
7842 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7843 for CONSTANT_CLASS_P expresisons.
7845 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7848 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7850 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7852 PR tree-optimization/27779
7853 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7854 initial_condition instead of CHREC_LEFT.
7856 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7858 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7859 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7860 Make prototypes ISO C90.
7862 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7863 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7865 * see.c (see_analyze_one_def): Correct check.
7866 (see_get_extension_data): Check if extension is parallel.
7867 (see_get_extension_reg): Likewise.
7869 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7872 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7873 into register for (code == GTU).
7875 2006-05-29 Roger Sayle <roger@eyesopen.com>
7877 PR tree-optimization/24964
7878 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7879 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7880 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7881 abs(x)*abs(x) as x*x for scalar floating point modes.
7883 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7886 * lambda-code.c (perfect_nestify): Don't copy statements
7887 in the inner loop: move them to the inner loop header.
7889 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7892 * c-tree.texi: Document OpenMP directives and clauses.
7894 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7896 * varasm.c (globalize_decl): Fix indentation.
7898 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7901 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7902 pass_fre, pass_store_ccp, pass_copy_prop,
7903 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7904 pass_return_slot, pass_object_size, pass_lim,
7905 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7906 pass_loop_prefetch and pass_stdarg.
7908 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7910 * config/bfin/bfin.opt (mfdpic): New option.
7911 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7912 (EXTRA_MULTILIB_PARTS): Likewise.
7913 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7914 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7916 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7917 (CRT_CALL_STATIC_FUNCTION): New.
7918 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7920 (CRT_CALL_STATIC_FUNCTION): New.
7921 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7923 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7924 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7925 (initialize_trampoline): Changed to handle FD-PIC code generation.
7926 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7927 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7928 (override_options): Disallow -mid-shared-library -mfdpic combination.
7929 Can't do unaligned ops if FD-PIC.
7930 Turn off flag_pic if trying to generate non-id-shared-library
7931 non-fdpic code, since it's not supported.
7932 (bfin_assemble_integer): New function.
7933 (TARGET_ASM_INTEGER): Define.
7934 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7936 * config/bfin/crtn.s: Restore them.
7937 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7939 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7940 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7941 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7942 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7943 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7945 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7946 FDPIC_REGS and FDPIC_FPTR_REGS.
7947 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7948 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7949 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7950 (load_funcdescsi): New pattern.
7951 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7952 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7953 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7955 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7957 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7960 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7962 * tree-flow.h: Remove the prototype for add_type_alias.
7963 * tree-ssa-alias.c (add_type_alias): Remove.
7965 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7967 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7968 config/fr30/fr30.md, config/i386/i386-interix.h,
7969 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7970 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7971 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7972 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7973 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7974 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7975 Follow spelling conventions.
7976 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7977 Follow spelling conventions.
7979 2006-05-27 Richard Guenther <rguenther@suse.de>
7982 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7983 to produce a constant of value 1 of generic type.
7985 2006-05-27 Dirk Mueller <dmueller@suse.de>
7987 * cgraphunit.c (decide_is_function_needed): Fix wrong
7990 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7992 PR rtl-optimization/27661
7993 * reload.c (find_reloads): When reloading a VOIDmode constant
7994 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7995 use Pmode as mode of the reload register.
7997 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7999 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8000 is enabled at -O and above.
8002 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8005 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8008 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8011 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8012 for anonymous variables explicitly declared by front ends.
8014 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8016 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8017 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8018 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8019 ref-all pointers, run a finalization pass for them.
8020 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8021 (finalize_ref_all_pointers): New function.
8022 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8023 regular pointer type to a ref-all pointer type.
8024 (get_tmt_for): Return the special memory tag for ref-all pointers.
8026 2006-05-25 Richard Guenther <rguenther@suse.de>
8029 * fold-const.c (fold_binary): Do not look at the stripped
8030 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8032 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8034 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8035 for LT and GT if the computed range is effectively empty.
8037 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8040 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8041 mips_quad_format formats instead of ieee_single_format,
8042 ieee_double_format and ieee_quad_format formats, respectively.
8044 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8046 PR tree-optimization/27639
8047 PR tree-optimization/26719
8048 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8049 call to scev_probably_wraps_p.
8050 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8051 used_in_pointer_arithmetic_p, convert_step): Removed.
8052 (nowrap_type_p): New function.
8053 (scev_probably_wraps_p): Rewritten.
8054 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8055 chrec_convert if chrec_convert_aggressive might have been used.
8056 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8057 scev_direction): New functions.
8058 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8059 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8060 instead of convert_step.
8061 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8062 (convert_step): Declaration removed.
8063 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8065 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8067 * df-core.c: Added to header comments.
8068 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8069 df_ur_bb_info, df_urec_bb_info): Added comments.
8070 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8071 urec, ri problems): Fixed header comments.
8072 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8073 code from df_rd_transfer_function.
8075 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8077 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8078 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8079 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8081 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8083 * expr.c (undefined_operand_subword_p): New.
8084 (emit_move_multi_word): Do not generate move from undefined bits
8085 of a paradoxical subreg.
8087 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8089 PR rtl-optimization/27736
8090 * combine.c (replaced_rhs_value): New variable.
8091 (combine_instructions): Set it.
8092 (distribute_notes): When distributing a note in replaced_rhs_insn,
8093 check whether the value was used in replaced_rhs_value.
8095 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8098 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8099 add_referenced_var instead of add_referenced_tmp_var.
8100 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8101 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8103 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8104 tree_optimize_tail_calls_1): Use add_referenced_var.
8105 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8106 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8107 Use add_referenced_var.
8108 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8109 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8110 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8111 Use add_referenced_var.
8112 * tree-dfa.c (struct walk_state): Remove.
8113 (find_referenced_vars): Remove walk state and vars_found hash table.
8114 (make_rename_temp): Use add_referenced_var.
8115 (find_vars_r): Pass less parameters to add_referenced_var.
8116 (referenced_var_p): New. Is var in referenced_var hash table.
8117 (referenced_var_insert): Assert var isn't already in hash table.
8118 (add_referenced_var): Don't need walk_state parameter. Add var if it
8119 isn't already in the hash table.
8120 (add_referenced_tmp_var): Remove.
8121 (find_new_referenced_vars_1): Use add_referenced_var.
8122 * tree-ssa-pre.c (create_expression_by_pieces,
8123 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8124 Use add_referenced_var.
8125 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8126 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8127 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8129 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8130 vect_create_data_ref_ptr, vect_create_destination_var,
8131 vect_init_vector, vect_build_loop_niters,
8132 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8133 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8134 Use add_referenced_var.
8135 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8136 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8137 (add_referenced_var): Add prototype.
8138 * tree-ssa-structalias.c (get_constraint_for,
8139 intra_create_variable_infos): Use add_referenced_var.
8141 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8143 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8144 big-endian paradoxical subregs.
8145 * var-tracking.c (struct micro_operation_def): Document that,
8146 for modify micro operations, insn is the subsequent instruction.
8147 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8148 (var_reg_set, var_mem_set): ... new functions.
8149 (add_stores): Record subsequent insn.
8150 (compute_bb_dataflow): Use new functions for MO_USE.
8151 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8152 notes after the insn, and modify notes before the insn known
8153 to be the subsequent one.
8154 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8156 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8159 * config/i386/i386.c (ix86_expand_builtin): Use
8160 gen_sse3_monitor64 for TARGET_64BIT.
8162 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8164 PR rtl-optimization/26375
8165 PR rtl-optimization/26855
8166 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8168 (df_ru_bb_local_compute): Reversed statements and removed bogus
8169 comment explaining why they should be in wrong order.
8170 (df_ru_dump, df_rd_dump): Enhanced debug info.
8171 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8173 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8174 reaching uses and fixed space problem.
8176 2006-05-23 Jan Hubicka <jh@suse.cz>
8178 * cgraphunit.c (decide_is_function_needed): Also nested functions
8179 and functions declared inline can be optimized out at -O0.
8181 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8183 * doc/install.texi (Configuration): Remove reference to CrossGCC
8187 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8190 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8191 ix86_compare_emitted is non-NULL.
8193 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8196 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8199 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8201 PR rtl-optimization/25514
8202 * combine.c (replaced_rhs_insn): New variable.
8203 (combine_instructions): Set replaced_rhs_insn when trying to replace
8204 a SET_SRC with a REG_EQUAL note.
8205 (distribute_notes): Use replaced_rhs_insn when determining the live
8206 range of a REG_DEAD register.
8208 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8209 Anatoly Sokolov <aesok@post.ru>
8211 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8212 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8213 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8214 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8215 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8216 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8217 at90usb647, at90usb1286 and at90usb1287 devices.
8218 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8219 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8221 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8223 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8225 2006-05-22 Richard Guenther <rguenther@suse.de>
8228 2006-01-31 Richard Guenther <rguenther@suse.de>
8229 Paolo Bonzini <bonzini@gnu.org>
8231 * doc/install.texi (--disable-libgcc-math): Document.
8233 2006-05-22 Richard Guenther <rguenther@suse.de>
8236 2006-01-31 Richard Guenther <rguenther@suse.de>
8238 * doc/invoke.texi (-msselibm): Document.
8239 * target.h (expand_library_builtin): New target hook.
8240 * builtins.c (expand_builtin): Use expand_library_builtin.
8241 (default_expand_library_builtin): New function.
8242 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8243 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8244 (link_gcc_math_spec): Declare.
8245 (static_specs): Add link_gcc_math_spec.
8246 * expr.h (default_expand_library_builtin): Declare.
8247 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8248 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8249 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8250 * config/i386/i386.opt (msselibm): New target option.
8251 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8252 (ix86_init_sse_abi_builtins): New function.
8253 (ix86_expand_library_builtin): Likewise.
8254 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8255 (override_options): Handle error conditions wrt -msselibm.
8256 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8257 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8258 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8261 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8264 * c-common.c (self_promoting_args_p): Skip erroneous args.
8267 * c-decl.c (finish_struct): Skip erroneous fields.
8269 2006-05-22 Nick Clifton <nickc@redhat.com>
8271 * config/cris/cris.opt (march): Remove VarExists attribute.
8272 (max-stackframe=): Likewise.
8274 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8276 * doc/rtl.texi: Fix a typo.
8277 * see.c: Fix comment typos.
8279 * tree-ssa-structalias.h (alias_info): Remove num_references.
8281 2006-05-21 Mike Stump <mrs@apple.com>
8283 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8285 (darwin_pragma_options): Use BAD instead.
8286 (darwin_pragma_unused): Likewise.
8287 (darwin_pragma_ms_struct): Likewise.
8289 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8291 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8293 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8295 PR rtl-optimization/27671
8296 * simplify-rtx.c (simplify_relational_operation_1): Fix
8297 simplifications of (eq/ne (xor x y) y) and
8298 (eq/ne (xor x y) x).
8300 PR tree-optimization/26622.
8301 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8304 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8306 * tree-cfg.c: Prune whitespace.
8307 (debug_tree_cfg): Point to correct header containing the
8310 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8313 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8315 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8318 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8319 or sorry count is non zero.
8321 2006-05-20 Andreas Schwab <schwab@suse.de>
8323 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8325 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8326 Kenneth Zadeck <zadeck@naturalbridge.com>
8328 PR rtl-optimization/26855
8330 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8332 (df_scan_alloc): Added code to properly handle multiword hard
8333 registers and add all_blocks parameter.
8334 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8335 code to properly handle multiword hard registers.
8336 (df_rescan_blocks): Added code to remove deleted blocks from
8338 (df_ref_create_structure, df_ref_record): Added code to properly
8340 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8341 and set DF_REF_PARTIAL.
8342 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8343 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8344 (df_scan_add_problem): Added flags parameter.
8345 (df_ref_create_structure): Changed switching structure.
8346 (df_bb_refs_record): Fixed case where duplicate artificial refs
8347 were created. Changed location of flags.
8348 (df_record_entry_block_defs): Added code to make stack pointer
8349 live in entry block. Refined cases where frame pointer is needed.
8350 Changed location of flags.
8351 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8352 (df_set_state): Removed function.
8353 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8354 df_insn_create_insn_record, df_insn_refs_delete,
8355 df_ref_create_structure): Formatting changes.
8356 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8357 df_delete_basic_block): New function.
8358 (df_init): Changed location of flags.
8359 (df_add_problem): Added flags parameter and the way flags are
8361 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8362 debug_df_chain): Improved debugging output.
8363 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8364 (df_refs_chain_dump): Removed df parameter.
8365 (df_iterative_dataflow): Added consistency check.
8366 (df_prune_to_subcfg): Made public.
8367 (df_analyze_problem): Added blocks_to_init parameter and made
8369 (df_ref_record, df_bb_refs_record, df_mark_reg,
8370 df_record_exit_block_uses): Whitespace changes.
8371 (df_dump): Whitespace changes.
8372 * df.h: Some reordering to remove forward references.
8373 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8374 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8375 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8376 (dataflow.flags): New field.
8377 (df.flag): Deleted field.
8378 (df_alloc_function): Added additional bitmap parameter.
8379 (df_dependent_problem_function): New type.
8380 (df_problem.changeable_flags): New field.
8381 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8382 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8383 (df_mw_hardreg): New struct.
8384 (DF_INSN_UID_MWS): New macro.
8385 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8387 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8388 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8389 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8390 (df_set_state): Removed function.
8391 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8392 * df-problems.c (df_chain_dump): Removed df parameter.
8393 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8394 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8396 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8397 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8398 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8399 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8400 DF_REF_MUST_CLOBBER cases.
8401 (df_ru_bb_local_compute_process_def,
8402 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8403 df_lr_bb_local_compute, df_ur_bb_local_compute,
8404 df_chain_create_bb): Made subreg aware.
8405 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8406 df_lr_bb_local_compute, df_lr_bb_local_compute,
8407 df_chain_create_bb): Cleanup to use proper macros.
8408 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8409 code to fixup bitvectors.
8410 (df_ri_alloc): Cleared lifetime.
8411 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8412 df_create_unused_note): New function.
8413 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8414 REG_DEAD and REG_UNUSED notes as well as register information.
8415 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8416 df_chains_dump): Fixed crash if problem was never run.
8417 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8418 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8419 df_ri_add_problem): Processes flags in uniform manner.
8420 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8421 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8422 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8423 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8424 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8425 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8426 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8427 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8428 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8429 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8430 * see.c (see_initialize_data): Ditto.
8431 * final.c (rest_of_clean_state) Added regstack_completed.
8432 * rtl.h (regstack_completed): Ditto.
8433 * reg-stack.c (regstack_completed): Ditto.
8435 2006-05-19 Mike Stump <mrs@apple.com>
8437 * c-tree.h (default_conversion): Remove.
8438 * c-common.h (default_conversion): Add.
8440 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8442 * tree-vrp.c (valid_value_p): New function.
8443 (adjust_range_with_scev): Fail if the value of bound is not
8446 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8448 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8449 (mips_fallback_frame_state): Use syscall numbers to determine
8450 the appropriate li instruction for the current ABI. Only use
8451 __NR_sigreturn for o32.
8453 2006-05-19 Nicolas Setton <setton@adacore.com>
8455 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8456 * langhooks.c (lhd_dwarf_name): New function.
8457 * langhooks-def.h (lhd_dwarf_name): Declare.
8458 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8459 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8460 * ada/misc.c (gnat_dwarf_name): New function.
8461 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8463 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8465 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8467 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8468 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8469 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8470 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8471 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8472 determine the size of Wtype, etc.
8473 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8474 (swfloatfuncs): New variable.
8475 (dwfloatfuncs): Likewise.
8476 (lib2funcs): Remove floating-point conversion functions from
8477 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8478 the set of conversion routines needed. Allow entries to specify
8479 an object name, filename and word size. Update users accordingly.
8480 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8481 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8485 2006-02-08 Roger Sayle <roger@eyesopen.com>
8488 * config/fixtfdi.c: New libgcc source file.
8489 * config/fixunstfdi.c: New source file.
8490 * config/floatditf.c: New source file.
8491 * config/floatunditf.c: New souce file.
8492 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8493 files above instead of config/mips/_tilib.c.
8494 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8496 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8498 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8499 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8501 2006-05-18 Mike Stump <mrs@apple.com>
8503 Fix up vla, vm and [*] sematics.
8509 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8510 (c_vla_unspec_p): Add.
8511 (c_vla_type_p): Add.
8512 * c-decl.c (struct c_scope): Add had_vla_unspec.
8513 (build_array_declarator): Add support for [*].
8514 (grokdeclarator): Likewise.
8515 (grokparms): Likewise.
8516 (get_parm_info): Likewise.
8517 * c-objc-common.c (c_vla_unspec_p): Likewise.
8518 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8519 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8520 typeof when argument is a variably modified type not inside sizeof or alignof.
8521 (c_parser_direct_declarator_inner): Propagate errors.
8522 (c_parser_sizeof_expression): Add support for [*].
8523 (c_parser_parms_declarator): Initialize had_vla_unspec.
8524 (c_parser_parms_list_declarator): Likewise.
8525 * c-typeck.c (c_vla_type_p): Add.
8526 (composite_type): Add support for vla compositing.
8527 (comptypes_internal): Add support for vla compatibility.
8528 (c_expr_sizeof_expr): Evaluate vla arguments.
8529 * tree.c (variably_modified_type_p): Update comment for [*].
8531 2006-05-18 Michael Matz <matz@suse.de>
8534 * config.host: Make assignments to host_xmake_file cumulative.
8535 * config.host (*-darwin*): Test $host, not $target.
8537 2006-05-12 Stuart Hastings <stuart@apple.com>
8539 * config/i386/i386.opt (-mstackrealign): New flag.
8540 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8541 (ix86_handle_cconv_attribute): Emit error when
8542 force_align_arg_pointer attribute collides with too many regparms.
8543 (ix86_function_regparm): Limit regparms when used with
8544 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8545 Support stack-realigning prologue in non-main functions. Emit
8546 warning for nested functions under -mstackrealign, emit error for
8547 nested functions with force_align_arg_pointer attribute.
8548 * doc/extend.texi (force_align_arg_pointer): Document it.
8549 * doc/invoke.texi (-mstackrealign): Document it.
8551 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8553 PR rtl-optimization/27477
8554 * combine.c (try_combine): Don't split a parallel consisting
8555 of two sets into two individual sets if both sets reference
8558 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8560 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8561 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8563 * doc/options.texi (VarExists): Updated.
8565 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8567 * unwind-dw2.c: Add declarations for uw_update_context and
8569 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8570 detected, advance frame state and context once to skip over stub.
8572 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8576 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8577 Call rewrite_into_loop_closed_ssa only when something changed.
8578 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8579 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8580 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8581 Test for perfect_nest_p here. Fix formating.
8582 (replace_uses_equiv_to_x_with_y): Fix formating.
8583 (stmt_uses_op): Removed.
8584 (can_convert_to_perfect_nest): Removed loopivs parameter.
8585 Complete the test by checking the scalar dependences.
8586 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8589 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8592 From Dan Kegel <dank@kegel.com>:
8593 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8595 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8597 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8598 if the element type is variably modified without recursing.
8600 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8603 * tree-loop-linear.c (try_interchange_loops): Test for
8604 no data dependences.
8606 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR tree-optimization/27548
8609 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8610 range of ssa names that appear on abnormal edges.
8611 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8612 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8614 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8617 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8619 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8622 * tree.h (OMP_PARALLEL_COMBINED): Define.
8623 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8624 (new_omp_context): Add is_combined_parallel argument.
8625 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8626 new_omp_context caller.
8627 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8628 Adjust gimplify_scan_omp_clauses callers.
8629 (omp_is_private): Issue errors if iteration variable is firstprivate
8630 or reduction in the current context.
8631 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8632 on combined parallel workshare constructs.
8634 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8636 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8637 (gcc-options.o): New rule.
8639 * optc-gen.awk: Protect variables for gcc-options.o with
8640 #ifdef GCC_DRIVER/#endif.
8642 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8644 Fix PR tree-optimization/27373
8645 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8646 (forward_propagate_addr_expr): Update call.
8648 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8650 * doc/options.texi: Move the Negative option.
8652 2006-05-16 Richard Guenther <rguenther@suse.de>
8654 PR tree-optimization/22303
8655 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8657 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8658 ccp_fold did not simplify the statement.
8660 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8663 * Makefile.in (GCC_OBJS): New.
8664 (OBJS-common): Add opts-common.o.
8665 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8666 (cpp$(exeext)): Likewise.
8667 (gcc.o): Also depend on opts.h.
8668 (opts-common.o): New.
8670 * common.opt (gcoff): Add Negative(gdwarf-2).
8671 (gdwarf-2): Add Negative(gstabs).
8672 (gstabs): Add Negative(gstabs+).
8673 (gstabs+): Add Negative(gvms).
8674 (gvms): Add Negative(gxcoff).
8675 (gxcoff): Add Negative(gxcoff+).
8676 (gxcoff+): Add Negative(gcoff).
8677 * config/i386/i386.opt (m32): Add Negative(m64).
8678 (m64): Add Negative(m32).
8680 * doc/options.texi: Document the Negative option.
8682 * gcc.c: Include "opts.h".
8683 (main): Call prune_options after expandargv.
8685 * optc-gen.awk: Generate common declarations for all flag
8686 variables in options.c. Output the neg_index field.
8688 * opts.c (find_opt): Moved to ...
8689 * opts-common.c: Here. New file.
8691 * opts.h (cl_option): Add a neg_index field.
8693 (prune_options): Likewise.
8695 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8698 * omp-low.c (expand_omp_parallel): Don't assert
8699 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8700 instead search for it.
8703 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8706 2006-05-16 Andreas Schwab <schwab@suse.de>
8708 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8711 2006-05-15 Roger Sayle <roger@eyesopen.com>
8714 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8715 integer constants other than zero are only legitimate on TARGET_64BIT.
8716 <CONST_VECTOR> Only zero vectors are legitimate.
8717 (ix86_cannot_force_const_mem): Integral and vector constants can
8718 always be put in the constant pool.
8720 2006-05-16 DJ Delorie <dj@redhat.com>
8722 * crtstuff.c (__dso_handle): Set section from
8723 TARGET_LBIGCC_SDATA_SECTION if defined.
8724 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8725 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8727 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8730 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8733 2006-05-16 Ben Elliston <bje@au.ibm.com>
8735 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8737 2006-05-15 Per Bothner <per@bothner.com>
8739 * tree.c: (last_annotated_node): Use source_locus typedef.
8740 This permits bootstrapping with --enable-mapped-location.
8742 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8744 PR tree-optimization/26830
8745 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8746 (info_for_ssa_name, current_info_for_ssa_name_age,
8747 blocks_to_update): New variables.
8748 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8749 (clear_ssa_name_info, initialize_flags_in_bb,
8750 mark_block_for_update): New functions.
8751 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8752 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8753 prepare_def_site_for): Use mark_block_for_update.
8754 (mark_def_interesting): Assert that the processed block is marked in
8755 blocks_to_update. Do not take blocks argument.
8756 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8758 (rewrite_update_init_block, rewrite_update_stmt): Only process
8759 blocks with statements to rewrite.
8760 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8761 (update_ssa): Initialize and free blocks_to_update. Do not
8762 clear flags on statements. Do not use blocks bitmap.
8763 * tree.h (SSA_NAME_AUX): Removed.
8764 (struct tree_ssa_name): Removed aux field.
8765 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8767 2006-05-15 Richard Guenther <rguenther@suse.de>
8769 PR tree-optimization/27603
8770 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8771 Do computations in original type.
8773 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8775 * see.c: Code style changes such as redundant paranthesis,
8776 redundant intialization of local variables etc.
8777 (see_main): Declared now as static.
8778 * doc/invoke.texi: Update that -fsee is not enabled by
8781 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8783 * omp-low.c (check_omp_nesting_restrictions): New function.
8784 (scan_omp_1): Call it.
8787 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8788 construct, return *VAR.
8790 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8792 PR rtl-optimization/27406
8793 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8796 2006-05-14 Roger Sayle <roger@eyesopen.com>
8798 PR rtl-optimization/27538
8799 * combine.c (expand_compound_operation): Call gen_lowpart
8800 before calling simplify_shift_const.
8802 2006-05-14 Roger Sayle <roger@eyesopen.com>
8804 PR rtl-optimization/22563
8805 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8806 a fixed width bitfield, always force the intermediates into psuedos.
8808 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8811 * mkconfig.sh: Use operator = instead of == for test.
8813 2006-05-13 Nick Clifton <nickc@redhat.com>
8815 * dwarf2out.c (dbx_reg_number): Check return value from
8816 LEAF_REG_REMAP and only use it if it is valid.
8817 (multiple_reg_loc_descriptor): Likewise.
8819 2006-05-13 Richard Guenther <rguenther@suse.de>
8821 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8824 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8826 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8827 information attached to non-INSNs such as NOTEs.
8828 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8830 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8832 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8834 * config/s390/s390.md: Adjust comment describing On constraint.
8836 2006-05-11 Jan Hubicka <jh@suse.cz>
8838 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8839 to be output at -O0.
8841 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8844 * fold-const.c (size_binop): Move sanity check for arguments to
8845 the beginning of the function.
8848 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8851 2006-05-11 Richard Guenther <rguenther@suse.de>
8854 * fold-const.c (fold_unary): Handle intermediate conversion
8855 to a pointer type like intermediate conversion to an integer
8856 type in folding of (T1)(T2)var to var.
8857 Match the code to the comment in the final conversion for
8858 (T1)(T2)var to (T1)var regarding to type precision. Rather
8859 than disallow T1 being of pointer type, assert that both T1
8860 and var are of pointer type or not. Make sure not to fall
8861 over the frontends lazyness wrt array to pointer decay though.
8863 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8865 * arm.c (arm_struct_value_rtx): Delete.
8866 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8867 (arm_init_cumulative_args): Always initialize nregs to zero.
8869 2006-05-10 Richard Guenther <rguenther@suse.de>
8871 PR tree-optimization/27532
8872 * tree-object-size.c (plus_expr_object_size): Fix typo.
8874 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8877 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8878 ashrdi_const, ashrdi3): Use a scratch register.
8880 2006-05-10 Richard Guenther <rguenther@suse.de>
8882 PR tree-optimization/27302
8883 * fold-const.c (operand_equal_p): For two comparisons,
8884 try comparison of one comparison code swapped if that yields
8887 2006-05-10 Ben Elliston <bje@au.ibm.com>
8889 * tree-pretty-print.c (pretty_print_string): No need to handle
8890 '\0' as a special character.
8892 * tree.h: Include "hashtab.h".
8893 (iterative_hash_expr): Use hashval_t in its prototype.
8894 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8896 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8899 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8900 (hppa*64*-*-hpux11*): Ditto.
8901 (hppa[12]*-*-hpux11*): Ditto.
8903 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8906 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8908 2006-05-09 Michael Matz <matz@suse.de>
8910 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8911 host_extra_gcc_objs and host_xmake_file.
8912 (<*-*-linux*>): Don't overwrite host_xmake_file.
8913 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8914 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8915 (host_detect_local_cpu): Declare.
8916 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8917 * config/i386/i386.c (override_options): Handle -mtune=native
8919 * config/i386/x-i386: New file.
8920 * config/i386/driver-i386.c: New file.
8921 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8924 2006-05-09 Dirk Mueller <dmueller@suse.de>
8925 Richard Guenther <rguenther@suse.de>
8928 * fold-const.c (fold_read_from_constant_string): Relax check
8929 for matching types to matching modes.
8931 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8933 PR rtl-optimization/27335
8934 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8937 2006-05-08 Chao-ying Fu <fu@mips.com>
8938 Richard Sandiford <richard@codesourcery.com>
8940 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8941 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8942 * config/mips/mips.md (UNSPEC_SCC): New constant.
8943 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8944 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8945 (mips_emit_compare): Use it.
8946 (mips_expand_vcondv2sf): New function.
8948 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8950 Fix PR tree-optimization/27093
8951 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8952 renaming when they become not-used_alone.
8954 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8956 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8957 relocation and relocation stubs.
8959 2006-05-08 Eric Christopher <echristo@apple.com>
8961 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8964 2006-05-08 Jan Hubicka <jh@suse.cz>
8967 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8968 unused static functions are needed.
8970 2006-05-08 Roger Sayle <roger@eyesopen.com>
8973 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8974 of a reg_equiv_constant if the result is a legitimate constant.
8976 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8979 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8980 standard 80387 constants, raise the cost to prevent
8981 compress_float_constant() to generate load from memory.
8983 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8985 * config/arm/constraints.md (c): Fix a typo.
8987 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8990 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8993 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8995 (_mm_mwait): Likewise.
8997 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8999 (sse3_monitor): Make it 32bit only.
9000 (sse3_monitor64): New. 64bit monitor.
9002 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9005 * config/i386/i386.c (classify_argument): Skip fields with invalid
9008 2006-05-07 Richard Guenther <rguenther@suse.de>
9010 PR tree-optimization/27409
9011 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9012 Do not try to find zero-sized subvars.
9014 2006-05-07 Richard Guenther <rguenther@suse.de>
9016 PR tree-optimization/27136
9017 * tree-ssa-loop-niter.c (get_val_for): Correct function
9018 comment, assert requirements.
9019 (loop_niter_by_eval): Stop processing if the iterated
9020 value did not simplify.
9022 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9024 * opts.c (flag_see): remove its setting at -O3.
9026 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9028 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9029 * arm/constraints.md: New file.
9030 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9031 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9032 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9033 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9034 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9035 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9036 * arm.md: Include constraints.md.
9037 (thumb_movsi_insn): Use satisfies_constraint_J.
9038 (movhi, movqi): Use satisfies_constraint_I.
9040 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9042 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9043 for atmeg a645 device.
9045 2006-05-06 Richard Guenther <rguenther@suse.de>
9047 PR tree-optimization/27151
9048 * tree-vect-transform.c (vectorizable_condition): Punt on
9049 values that have a different type than the condition.
9051 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9054 * c-parser.c (c_parser_cast_expression): Only insert casts into
9055 hash table if pointer.
9056 * function.c (used_types_insert_helper): Rename from
9058 (used_types_insert): Call used_types_insert_helper.
9059 * function.h (used_types_insert): Accept only one argument.
9061 2006-05-05 David Edelsohn <edesohn@gnu.org>
9063 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9064 scratch with output modifier.
9066 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9069 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9070 with output modifier.
9072 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9075 * config/mips/mips.c (mips_symbolic_address_p): Return true
9076 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9077 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9079 2006-05-04 Richard Guenther <rguenther@suse.de>
9081 PR tree-optimization/14287
9082 PR tree-optimization/14844
9083 PR tree-optimization/19792
9084 PR tree-optimization/21608
9085 PR tree-optimization/27090
9086 * tree-ssa-pre.c (try_combine_conversion): New function.
9087 (compute_avail): After constructing the value-handle
9088 expression, use try_combine_conversion to combine NOP_EXPRs
9089 with previous value-handle expressions and use the result if it
9092 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9094 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9096 2006-05-04 Jan Hubicka <jh@suse.cz>
9099 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9101 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9103 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9104 that this only matches CONST_INTs. All users changed to VOIDmode
9107 * config/bfin/bfin.c: Include "optabs.h".
9108 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9110 (enum bfin_builtins): Add a number of fractional and vector builtins.
9111 (bfin_init_builtins): Likewise.
9112 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9113 (safe_vector_operand, bfin_expand_binop_builtin,
9114 bfin_expand_unop_builtin): New functions.
9115 (bfin_expand_builtin): Handle the new builtins.
9116 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9119 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9122 * Makefile.in (OBJS-common): Add see.o.
9123 (see.o): Add dependencies.
9124 * common.opt (fsee): New flag for the see optimization was added.
9125 * opts.c (flag_see): Initialized.
9126 * passes.c (init_optimization_passes, pass_see): New pass.
9127 * rtl.h (see_main): Declaration as extern.
9128 * timevar.def (TV_SEE): New.
9129 * tree-pass.h (pass_see): Declaration as extern.
9130 * invoke.texi (-fsee): Document.
9131 * recog.c (validate_simplify_insn): New function.
9132 * recog.h (validate_simplify_insn): Declaration as extern.
9133 * df-problems.c (df_chain_dump): Check for NULL.
9135 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9136 Daniel Berlin <dberlin@dberlin.org>
9138 * cfgrtl.c (insert_insn_bb_end_new): New function.
9139 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9141 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9143 * df.h (struct web_entry): Moved from web.c.
9144 (union_defs): Declaration as extern.
9145 (unionfind_root): Likewise.
9146 (unionfind_union): Likewise.
9147 * web.c (struct web_entry): Moved to df.h.
9148 (unionfind_root): Remove static declaration.
9149 (unionfind_union): Likewise.
9150 (union_defs): Likewise and generalize to use callback function.
9151 (web_main): Update arguments for union_defs function call.
9153 2006-05-04 Richard Guenther <rguenther@suse.de>
9155 PR tree-optimization/26447
9156 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9157 produce SSA_NAME copies before the store stmt to avoid
9158 breaking exception handling.
9160 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9163 * gimplify.c (omp_is_private): If var is shared in some outer context,
9164 return false instead of true. Stop searching on parallel context
9167 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9170 * coverage.c: Use get_gcov_unsigned_t() instead of
9171 unsigned_type_node all over.
9173 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9175 PR tree-optimization/27381
9176 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9177 maintain the same immediate_use links.
9178 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9179 node rather than segfaulting.
9181 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9184 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9185 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9186 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9188 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9190 Fix PR tree-optimization/26626
9191 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9193 * tree-ssa-operands.c (access_can_touch_variable): Allow
9194 typecasting through union pointers.
9196 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9199 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9200 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9201 to find if var will be a global variable even in the nested context.
9202 (omp_copy_decl): Only check for global variable at the end, it might
9203 be overridden in outer contexts.
9204 (scan_sharing_clauses): For global variables don't create a field.
9205 (lower_rec_input_clauses): Do nothing for global shared variables.
9206 Emit a barrier at the end of ILIST if there were any decls in both
9207 firstprivate and lastprivate clauses.
9208 (lower_send_clauses): Do nothing for global variables except for
9211 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9213 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9214 of the correct signedness is returned.
9216 2006-05-02 Jeff Law <law@redhat.com>
9218 PR tree-optimization/27364
9219 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9220 multiply expressions.
9222 2006-05-02 Tom Tromey <tromey@redhat.com>
9224 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9226 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9229 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9230 -mthumb -fPIC are used.
9232 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9233 Joshua Kinard <kumba@gentoo.org>
9236 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9237 with 64-bit pointers.
9239 2006-05-02 Paul Brook <paul@codesourcery.com>
9241 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9243 (create_fix_barrier): Check that a suitable barrier location is
9245 (arm_reorg): Include ftmp->address in allowable range of addresses.
9247 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9250 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9253 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9256 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9257 around RESULT_DECL for result passed by reference.
9258 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9259 * omp-low.c (use_pointer_for_field): Don't look at
9260 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9261 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9262 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9263 time or var for passing by reference for
9264 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9265 TREE_ADDRESSABLE variables when passing by reference.
9267 * omp-low.c (dump_omp_region): Fix output formatting.
9270 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9271 (expand_omp_parallel): Likewise.
9272 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9275 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9276 on statement list containing also constructors and destructors.
9277 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9280 * except.c (duplicate_eh_regions): Fix clearing of
9281 cfun->eh->region_array entries.
9283 2006-05-01 DJ Delorie <dj@redhat.com>
9285 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9287 (gcc_cv_objdump): Likewise.
9288 * configure: Regenerated.
9290 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9293 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9294 templates for case 3 and 4.
9296 2006-05-01 DJ Delorie <dj@redhat.com>
9298 * vec.c: Include bconfig.h when appropriate.
9299 * Makefile.in (build/vec.o): Adjust dependencies.
9300 * mkconfig.sh: Make sure config.h isn't used for build machine
9303 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9305 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9307 (mark_phi_for_rewrite): New function.
9308 (insert_phi_nodes_for, mark_use_interesting): Call
9309 mark_phi_for_rewrite.
9310 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9311 (update_ssa): Initialize and free phis_to_rewrite.
9313 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9315 PR rtl-optimization/27291
9316 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9317 folded to a constant.
9319 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9321 PR tree-optimization/27283
9322 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9323 not whole # of iteration descriptions.
9324 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9325 uses abnormal ssa name.
9326 (niter_for_single_dom_exit): Ditto.
9327 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9328 return just the number of iterations.
9330 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9332 PR tree-optimization/27144
9333 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9334 (record_estimate): Only record constant upper bound.
9335 (infer_loop_bounds_from_undefined): Call
9336 compute_estimated_nb_iterations just once.
9337 (proved_non_wrapping_p): Renamed to ...
9338 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9339 (convert_step_widening, scev_probably_wraps_p): Call
9340 n_of_executions_at_most instead of proved_non_wrapping_p.
9341 (substitute_in_loop_info): Do not replace values in bounds.
9342 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9345 2006-05-01 Richard Henderson <rth@redhat.com>
9348 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9349 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9352 2006-05-01 Roger Sayle <roger@eyesopen.com>
9354 * c-typeck.c (parser_build_binary_op): Don't call the function
9355 unsigned_conversion_warning to spot operand/result type overflow.
9356 (build_binary_op): Instead, call convert_and_check instead of
9357 convert to report the problem when the operands are promoted.
9358 * c-common.c (unsigned_conversion_warning): Make static.
9359 * c-common.h (unsigned_conversion_warning): Delete prototype.
9361 2006-05-01 Richard Guenther <rguenther@suse.de>
9363 PR tree-optimization/26726
9364 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9366 (find_interesting_uses_address): ... we work around here
9367 by folding INDIRECT_REFs in the substituted base.
9369 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9371 * omp-low.c (dump_omp_region): Add newlines.
9373 2006-04-30 Roger Sayle <roger@eyesopen.com>
9375 * common.opt (Woverflow): New command line option.
9376 * c-common.c (constant_expression_warning): Check warn_overflow.
9377 (overflow_waring): Pass OPT_Woverflow to warning.
9378 (unsigned_conversion_warning): Likewise.
9379 (convert_and_check): Likewise.
9380 * doc/invoke.texi: Document new command line option.
9382 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9384 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9385 TARGET_NO_FP_IN_TOC for section anchors.
9386 (optimization_options): Enable section anchors for all
9387 non-"Objective" languages.
9389 2006-04-28 Eric Christopher <echristo@apple.com>
9391 * config/darwin-c.c (darwin_ms_struct): Move this
9392 (darwin_set_default_type_attributes): and this...
9393 * config/darwin.c: ... here.
9394 * config/darwin.h (darwin_ms_struct): Declare.
9396 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9400 2006-04-28 Roger Sayle <roger@eyesopen.com>
9403 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9404 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9405 an unsigned HOST_WIDE_INT.
9406 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9408 (really_start_incremental_init): No need to call convert because
9409 bitsize_zero_node is already of type bitsizetype.
9410 (push_init_level): Extract the value of constructor_index as an
9411 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9412 (process_init_element): Likewise.
9414 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9416 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9417 value before passing to make_relative_prefix.
9419 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9422 * builtins.c (expand_builtin_memset): Expand val in original mode.
9424 2006-04-27 Eric Christopher <echristo@apple.com>
9426 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9427 with #ifndef/#endif.
9428 * config/darwin-c.c (darwin_ms_struct): New.
9429 (darwin_pragma_ms_struct): Ditto.
9430 (darwin_set_default_type_attributes): Ditto.
9431 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9432 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9433 Register ms_struct pragma.
9434 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9435 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9436 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9437 darwin_set_default_type_attributes if TARGET_MACHO.
9439 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9441 PR tree-optimization/26854
9442 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9443 * doc/tree-ssa.texi: Update immuse iterator documentation.
9444 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9446 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9447 first_safe_imm_use, next_safe_imm_use): Remove.
9448 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9449 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9450 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9451 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9452 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9453 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9454 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9455 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9456 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9457 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9458 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9459 (perfect_nestify): Use new iterator.
9460 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9462 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9463 (next_imm_name): New field in struct immediate_use_iterator_d.
9464 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9465 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9466 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9467 * tree-cfg.c (replace_uses_by): Use new iterator.
9468 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9469 * tree-ssa-operands.c (correct_use_link): Remove.
9470 (finalize_ssa_use_ops): No longer call correct_use_link.
9472 2006-04-27 Stuart Hastings <stuart@apple.com>
9474 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9475 * config/t-darwin (crt3.o): Use it.
9476 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9477 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9478 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9479 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9480 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9483 2006-04-27 Roger Sayle <roger@eyesopen.com>
9485 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9486 size, force the intermediate into a new pseudo rather instead of
9487 performing both a bitwise AND and a bitwise IOR in memory.
9489 2006-04-27 Richard Guenther <rguenther@suse.de>
9491 PR rtl-optimization/26685
9492 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9493 this one "max-flow-memory-locations".
9495 2006-04-27 Richard Guenther <rguenther@suse.de>
9497 PR tree-optimization/25148
9498 * tree-vrp.c (compare_values): Remove code dealing with
9499 comparisons against type min/max value. Honour overflow
9500 and negative constants in code dealing with comparisons
9501 of plus and minus expressions.
9502 (value_inside_range): Use fold_binary with LE_EXPR and
9503 GE_EXPR rather than compare_values.
9505 2006-04-27 Dirk Mueller <dmueller@suse.de>
9507 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9510 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9512 * basic-block.h (safe_insert_insn_on_edge): Removed.
9513 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9515 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9516 Paolo Bonzini <bonzini@gnu.org>
9519 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9520 (simplify_and_const_int): Same.
9522 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9524 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9526 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9529 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9530 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9531 cgraph_global_info_ready.
9534 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9537 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9538 either decl or init is error_mark_node.
9541 * tree-flow.h (struct omp_region): Add sched_kind.
9542 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9543 instead of extracting omp for data.
9544 (expand_omp_for): Save extracted sched_kind.
9546 2006-04-25 Roger Sayle <roger@eyesopen.com>
9548 * expmed.c (store_bit_field): Also check whether the bitsize is
9549 valid for the machine's "insv" instruction before moving the
9550 target into a pseudo for use with the insv.
9551 * config/i386/predicates.md (const8_operand): New predicate.
9552 * config/i386/i386.md (extv, extzv, insv): Use the new
9553 const8_operand predicate where appropriate.
9555 2006-04-25 DJ Delorie <dj@redhat.com>
9557 * doc/install.texi (Specific): Clarify that this is not a list of
9558 supported hosts or targets.
9560 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9562 PR rtl-optimization/26725
9563 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9564 block's BB_DIRTY flag.
9566 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9568 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9571 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9572 to print an integer.
9574 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9576 * varasm.c (align_variable): New function.
9577 (get_block_for_decl): Apply align_variable to DECL before
9578 calculating section information.
9579 (assemble_variable): Split out alignment computation.
9581 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9583 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9586 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9588 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9589 MODE_PARTIAL_INT mode.
9590 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9591 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9593 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9594 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9596 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9598 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9600 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9601 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9602 MACFLAG_IH): Likewise.
9603 (movstricthi_1): Renamed from "*movstricthi".
9604 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9605 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9606 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9607 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9608 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9609 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9610 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9611 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9612 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9613 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9614 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9615 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9616 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9617 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9618 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9620 * doc/rtl.texi (ss_ashift): Improve wording.
9622 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9624 * dwarf2out.c (verify_marks_clear): New.
9625 (prune_unused_types): Call verify_marks_clear initially, not
9628 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9630 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9631 * doc/rtl.texi: Document them.
9632 * simplify-rtx.c (simplify_unary_operation,
9633 simplify_binary_operation_1): Don't abort when we see them.
9635 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9638 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9639 * configure.ac: Completely disregard languages that are not
9641 * configure: Regenerated.
9643 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9644 Richard Guenther <rguenther@suse.de>
9646 PR tree-optimization/27236
9647 * tree-inline.c (copy_body_r): Make sure to copy
9648 TREE_THIS_VOLATILE flag.
9650 2006-04-24 Richard Guenther <rguenther@suse.de>
9653 * tree-complex.c (update_parameter_components): Don't handle
9654 unused parameters which have no default def.
9656 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9657 Richard Guenther <rguenther@suse.de>
9659 PR tree-optimization/27218
9660 * tree-inline.c (expand_call_inline): Strip useless type
9661 conversions for the return slot address.
9663 2006-04-24 Richard Guenther <rguenther@suse.de>
9665 * cfgloop.h (struct loops): Remove unused field array. Reorder
9667 (LOOP_PREFETCH): Remove.
9669 2006-04-24 Richard Guenther <rguenther@suse.de>
9671 PR tree-optimization/22525
9672 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9673 variable, adjust types of generated expressions.
9675 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9677 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9678 (tree-vect-patterns.o): Likewise.
9680 (cselib.o): Likewise.
9681 (loop-doloop.o): Likewise.
9682 (regclass.o): Likewise.
9683 (reload1.o): Likewise.
9684 (explow.o): Replace target.h with $(TARGET_H).
9685 (ipa-prop.o): Likewise.
9686 (ipa-cp.o): Likewise.
9687 (ipa-inline.o): Likewise.
9688 (reorg.o): Likewise.
9689 (reg-stack.o): Likewise.
9691 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9693 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9695 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9697 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9699 * configure.ac: Completely disregard languages that are not
9701 * configure: Regenerated.
9704 * c-common.h (c_build_bitfield_integer_type): Declare.
9705 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9706 * c-common.c (c_build_bitfield_integer_type): ... here.
9708 2006-04-23 Roger Sayle <roger@eyesopen.com>
9711 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9712 a SImode SUBREG of a floating point register after no_new_pseudos.
9714 2006-04-23 Roger Sayle <roger@eyesopen.com>
9716 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9717 identify potentially eliminable registers to additionally catch
9718 VIRTUAL_INCOMING_ARGS_REGNUM.
9719 (addsi3): Update the conditions on when to use addsi_small_int.
9721 2006-04-23 Roger Sayle <roger@eyesopen.com>
9724 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9725 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9726 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9728 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9730 * fold-const.c (range_predecessor): Use operand_equal_p
9731 as the predicate for equality.
9732 (range_successor): Likewise.
9734 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9737 * config/soft-fp/op-common.h: Fix a typo.
9739 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9742 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9743 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9745 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9747 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9749 * doc/tm.texi: Fix a typo.
9751 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9753 * dwarf2out.c (struct die_struct): Document that die_sib makes
9754 a circular linked list.
9755 (FOR_EACH_CHILD): New.
9756 (reverse_die_lists): Delete.
9757 (reverse_all_dies): Delete.
9758 (add_dwarf_attr): Correct documentation.
9759 (remove_child_with_prev): New.
9760 (remove_child_TAG): Update for change to die_struct, use
9761 remove_child_with_prev.
9762 (add_child_die): Update for change to die_struct.
9763 (splice_child_die): Use remove_child_with_prev and add_child_die.
9764 (print_die): Use FOR_EACH_CHILD.
9765 (die_checksum): Likewise.
9766 (assign_symbol_names): Likewise.
9767 (output_location_lists): Likewise.
9768 (build_abbrev_table): Likewise.
9769 (calc_die_sizes): Likewise.
9770 (mark_dies): Likewise.
9771 (unmark_dies): Likewise.
9772 (unmark_all_dies): Likewise.
9773 (output_die): Likewise.
9774 (prune_unused_types_mark): Likewise.
9775 (prune_unused_types_walk): Likewise.
9776 (same_die_p): Update for change to die_struct.
9777 (break_out_includes): Likewise.
9778 (prune_unused_types_prune): Likewise.
9779 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9780 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9782 (dwarf2out_finish): Don't call reverse_all_dies.
9784 2006-04-21 Eric Christopher <echristo@apple.com>
9786 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9787 in comments and function names.
9789 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9792 * c-typeck.c (digest_init): Robustify.
9794 * c-typeck.c (pop_init_level): Simplify.
9796 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9798 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9800 2006-04-21 Paul Brook <paul@codesourcery.com>
9802 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9803 hardware floating point.
9805 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9807 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9810 2006-04-21 Nick Clifton <nickc@redhat.com>
9812 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9815 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9818 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9819 C++ lang type in traceback table for Objective-C++.
9821 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9823 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9825 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9827 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9830 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9831 were errors. Remove check for erroneous objects.
9833 2006-04-20 Jeff Law <law@redhat.com>
9835 PR tree-optimization/26854
9836 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9837 checking for zero or one use.
9838 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9839 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9840 * tree-ssa-reassoc.c (negate_value): Similarly.
9841 (reassociate_bb): Similarly.
9843 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9845 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9846 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9847 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9849 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9851 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9852 fp regs if the last fp arg doesn't fit in regs.
9854 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9857 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9858 that the last insn has the REG_INC note.
9860 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9861 Nathan Sidwell <nathan@codesourcery.com>
9864 * stor-layout.c (update_alignment_for_field): Do not align
9866 (place_union_field): Place union field at the start of the union.
9867 (place_field): Move ERROR_MARK check later, and use the current
9868 allocation position to maintain monotonicity.
9870 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9872 * dominance.c: Include timevar.h.
9873 (calculate_dominance_info): Use TV_DOMINANCE.
9874 * timevar.def (TV_DOMINANCE): New timevar.
9875 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9877 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9879 PR rtl-optimization/14261
9880 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9881 move would be an INSV insn.
9882 (noce_process_if_block): Don't optimize if the destination is a
9883 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9885 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9887 * config/s390/s390.md: Add comments with the instructions emitted
9888 by an insn pattern if macros are used.
9890 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9892 PR rtl-optimization/26026
9893 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9894 is a known power of two shifted left a variable amount.
9896 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9898 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9899 to hash table twice when the debug_str section has SECTION_MERGE.
9901 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9903 * config/soft-fp: New directory. From glibc.
9904 * config/soft-fp/t-softfp: New.
9905 * config/soft-fp/README: New.
9906 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9907 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9908 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9909 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9910 * config.gcc: Use rs6000/t-fprules-fpbit or
9911 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9913 * config/rs6000/sfp-machine.h: New. Based on glibc.
9914 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9916 * config/rs6000/t-fprules: Remove fp-bit rules.
9917 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9918 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9919 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9920 (softfp_wrap_start, softfp_wrap_end): New.
9922 2006-04-18 DJ Delorie <dj@redhat.com>
9924 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9926 2006-04-18 Devang Patel <dpatel@apple.com>
9928 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9930 2006-04-18 Nick Clifton <nickc@redhat.com>
9932 * config/sh/t-symbian: Add rule to build sh-c.o
9933 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9934 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9935 (sh_symbian_encode_section_info): Likewise.
9937 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9939 * builtins.c (expand_builtin_strcmp): Cover label definition of
9940 do_libcall with HAVE_cmpstrnsi.
9942 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9944 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9946 * function.h (temp_slot_p): New.
9947 (function): Change the type of x_used_temp_slots to
9948 VEC(temp_slot_p,gc) *.
9950 2006-04-18 Nick Clifton <nickc@redhat.com>
9952 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9953 flag_strength_reduce.
9955 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9957 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9961 Partial revert of revision 112637
9962 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9963 Dale Johannesen <dalej@apple.com>
9966 * regclass.c (struct reg_pref): Update documentation.
9967 (regclass): Set prefclass to NO_REGS if memory is the best option.
9968 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9970 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9972 PR tree-optimization/26821
9973 * tree-ssa-math-opts.c (get_constant_one): New.
9974 (insert_reciprocals): Use it.
9976 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9978 * dwarf2out.c (free_AT): Delete.
9979 (remove_AT): Update string ref counts.
9980 (remove_child_TAG): Don't call free_die.
9982 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9983 or DW_TAG_GNU_EINCL.
9984 (prune_unused_types_walk_attribs): Reset string refcounts.
9985 (prune_unused_types_update_strings): New.
9986 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9987 call free_die. Do call prune_unused_types_update_strings.
9988 (prune_unused_types): Empty debug_str_hash.
9990 2006-04-17 Roger Sayle <roger@eyesopen.com>
9992 * expr.c (expand_assignment): Optimize away no-op moves where the
9993 source and destination are equal and have no side-effects.
9995 2006-04-17 Richard Guenther <rguenther@suse.de>
9998 * reload.c (push_reload): Guard calls to get_secondary_mem
10001 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10003 * alias.c (reg_base_value, old_reg_base_value): Change the
10004 type to VEC(rtx,gc) *.
10005 (REG_BASE_VALUE, find_base_value, record_set,
10006 init_alias_analysis): Use VEC instead of VARRAY.
10008 * alias.c (alias_sets): Change the type to
10009 VEC(alias_set_entry,gc) *.
10010 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10011 VEC instead of VARRAY.
10012 (last_alias_set): Remove.
10014 * cgraph.h (cgraph_edge_p): New.
10015 Update the prototype of cgraph_function_versioning.
10016 * cgraphunit.c (cgraph_copy_node_for_versioning,
10017 cgraph_function_versioning): Use VEC instead of VARRAY.
10018 * ipa-cp.c (ipcp_insert_stage): Likewise.
10020 2006-04-16 Roger Sayle <roger@eyesopen.com>
10023 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10024 "A op B" or "A op C", we may need to convert A to the type of B and C.
10026 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10028 * target.h (struct gcc_target): Add mode_rep_extended.
10029 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10030 (init_num_sign_bit_copies_in_rep): Initialize it using
10032 (truncate_to_mode): Use it.
10033 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10034 * targhooks.h (default_mode_rep_extended): Declare it.
10035 * targhooks.c (default_mode_rep_extended): Define it.
10036 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10037 default_mode_rep_extended.
10038 (TARGET_INITIALIZER): Include it.
10039 * doc/tm.texi (Misc): Document it.
10040 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10041 (mips_truncated_to_mode): New function.
10043 2006-04-16 Roger Sayle <roger@eyesopen.com>
10045 PR middle-end/25474
10046 * expr.c (compress_float_constant): Copy the narrow constant into
10047 a new pseudo before extending it to its final width.
10049 2006-04-16 Roger Sayle <roger@eyesopen.com>
10050 Andrew Pinski <pinskia@gcc.gnu.org>
10051 Dale Johannesen <dalej@apple.com>
10054 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10055 special case code to implement V8HImode and V16QImode with SSE2.
10057 2006-04-15 Roger Sayle <roger@eyesopen.com>
10059 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10060 trees are constructed with a suitable tree type.
10062 2006-04-15 Roger Sayle <roger@eyesopen.com>
10064 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10065 (integer_onep): Likewise.
10066 (integer_all_onesp): Likewise.
10067 (integer_pow2p): Likewise.
10068 (integer_nonzerop): Likewise.
10069 (real_zerop): Likewise.
10070 (real_onep): Likewise.
10071 (real_twop): Likewise.
10072 (real_minus_onep): Likewise.
10073 (int_size_in_bytes): Likewise.
10074 (host_integerp): Likewise.
10076 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10078 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10079 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10080 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10082 * tree-ssa-structalias.h (alias_info): Remove num_references.
10084 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10086 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10087 (output_bvb patterns): Likewise.
10088 * pa.c (output_bb): Use 'bb' insn for long branch case.
10089 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10090 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10091 1. Correct length operand for alternatives 1 and 2.
10092 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10093 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10095 2006-04-14 Roger Sayle <roger@eyesopen.com>
10097 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10098 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10099 were accidentally reverted by r112959.
10101 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10103 PR middle-end/26823
10104 * except.h (eh_region_outermost): New prototype.
10105 * except.c (eh_region_outermost): New function.
10106 * tree-cfg.c (find_outermost_region_in_block): Use it.
10108 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10110 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10112 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10113 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10114 (init_reload, reload): Use VEC instead of VARRAY.
10115 * reload.h: Update the prototype for
10116 reg_equiv_memory_loc_varray.
10118 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10119 Eric Botcazou <ebotcazou@libertysurf.fr>
10121 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10122 register save area.
10124 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10126 PR middle-end/27134
10127 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10128 to expand fallback builtin function call.
10130 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10132 PR middle-end/27095
10133 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10134 and emit libcall here in case the builtin fails.
10135 (expand_builtin_strcmp): Always emit the libcall here on failure.
10137 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10139 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10140 * flow.c (reg_n_info): Change the type to
10141 VEC(reg_info_p,heap) *.
10142 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10144 * regs.h (reg_info_p): New.
10145 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10146 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10147 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10150 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10152 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10154 * params.h (MAX_SCHED_READY_INSNS): New macro.
10155 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10156 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10157 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10158 the ready list for 1 cycle during the first scheduling pass.
10159 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10161 2006-04-13 Richard Henderson <rth@redhat.com>
10164 * gimple-low.c (lower_omp_directive): Remove dead code.
10165 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10166 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10167 * omp-low.c (struct omp_region): Move to tree-flow.h.
10168 (root_omp_region): Export.
10169 (omp_regions, lookup_omp_region): Remove.
10170 (determine_parallel_type): Update for struct omp_region changes.
10171 (dump_omp_region): Dump regions with block numbers.
10172 (new_omp_region): Take type and block instead of stmt; malloc
10174 (free_omp_region_1, free_omp_regions): New.
10175 (expand_parallel_call): Take entry_stmt as argument; update for
10176 changes to omp_region.
10177 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10178 (remove_exit_barriers): New.
10179 (expand_omp_parallel): Update for struct omp_region changes.
10180 (expand_omp_synch): Likewise.
10181 (expand_omp): Likewise.
10182 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10183 (expand_omp_for_static_chunk): Likewise.
10184 (expand_omp_for): Likewise.
10185 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10186 (expand_omp_sections): Similarly, with GOMP_sections_end.
10187 (expand_omp_single): New.
10188 (build_omp_regions_1): Update for OMP_CONTINUE.
10189 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10190 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10191 OMP_SECTIONS_SECTIONS.
10192 (lower_omp_single_simple): Don't emit barrier here.
10193 (lower_omp_single_copy): Likewise.
10194 (lower_omp_single): Fix bindings, and lower to straightline now.
10195 (lower_omp_master, lower_omp_ordered): Likewise.
10196 (lower_omp_critical): Likewise.
10197 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10198 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10199 omp edges, free it afterward.
10200 (make_omp_sections_edges): Remove.
10201 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10202 (move_stmt_r): Handle OMP_CONTINUE.
10203 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10204 statement pointers to basic blocks. Add type member.
10205 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10206 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10207 * tree-inline.c (estimate_num_insns_1): Likewise.
10208 * tree-pretty-print.c (dump_generic_node): Likewise.
10209 * tree-ssa-operands.c (get_expr_operands): Likewise.
10210 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10211 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10212 (OMP_CONTINUE): New.
10213 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10214 (OMP_SECTIONS_SECTIONS): Remove.
10215 (OMP_SECTION_LAST): New.
10216 (OMP_RETURN_NOWAIT): New.
10218 2006-04-13 Roger Sayle <roger@eyesopen.com>
10220 * fold-const.c (native_encode_vector, native_interpret_real):
10221 Correct obvious mistakes in the previous check-in.
10223 2006-04-13 Roger Sayle <roger@eyesopen.com>
10225 * fold-const.c (native_encode_expr): New function to encode
10226 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10227 or VECTOR_CST into a specified buffer.
10228 (native_encode_int): New function.
10229 (native_encode_real): New function.
10230 (native_encode_complex): New function.
10231 (native_encode_vector): New function.
10232 (native_interpret_expr): Inverse of native_encode_expr to convert
10233 a target representation into an INTEGER_CST, REAL_CST etc...
10234 (native_interpret_int): New function.
10235 (native_interpret_real): New function.
10236 (native_interpret_complex): New function.
10237 (native_interpret_vector): New function.
10238 (fold_view_convert_expr): New function to constant fold/evaluate
10239 a VIEW_CONVERT_EXPR of a suitable constant expression.
10240 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10241 Change call of build1 to fold_build1 when constructing a
10244 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10245 Ulrich Weigand <uweigand@de.ibm.com>
10248 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10251 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10254 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10255 optimize to lo_sum for DFmode if !TARGET_FPRS.
10257 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10259 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10260 delete_alias_info, compute_flow_sensitive_aliasing,
10261 group_aliases): Use VEC instead of VARRAY.
10262 * tree-ssa-structalias.c (update_alias_info): Likewise.
10263 * tree-ssa-structalias.h (alias_info): Change the type of
10264 processed_ptrs to VEC(tree,heap) *.
10266 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10269 * config/sh/lib1funcs.h: New file, broken out of:
10270 * config/sh/lib1funcs.asm.
10271 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10273 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10274 * config/sh/lib1funcs-Os-4-200.asm: New file.
10275 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10276 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10277 (EXTRA_MULTILIB_PARTS): Include it.
10278 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10279 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10280 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10281 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10284 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10286 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10287 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10288 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10290 * tree-ssa-live.h: Include vecprim.h.
10291 (tree_partition_associator_d): Change the type of
10292 first_partition to VEC(int,heap) *.
10293 (tpa_first_partition): Use VEC instead of VARRAY.
10295 * Makefile.in (GTFILES): Move functions.h after tree.h.
10296 * function.c (reset_block_changes, record_block_change,
10297 check_block_change, free_block_changes): Use VEC instead of
10299 * function.h (function): Change the type of
10300 ib_boundaries_block to VEC(tree,gc) *.
10301 * tree-inline.c (copy_cfg_body): Initialize
10302 ib_boundaries_block to NULL instead of (varray_type) 0.
10304 2006-04-12 Roger Sayle <roger@eyesopen.com>
10306 * expr.c (emit_group_store): Correct operand order in call to
10307 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10308 a SUBREG_BYTE of zero.
10310 2006-04-12 Richard Guenther <rguenther@suse.de>
10312 * profile.c (compute_branch_probabilities): Remove code
10313 encapsulated in !ir_type (), which are remanents of the
10314 removed RTL profiling code.
10315 * rtl-profile.c: Remove.
10317 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10319 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10320 magic NULL_RTX comment.
10321 (function_arg): Store entire fp arg to mem if any part should go
10323 (rs6000_arg_partial_bytes): Adjust for above change.
10325 2006-04-11 Roger Sayle <roger@eyesopen.com>
10327 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10328 if it hasn't been initialized by dwarf2out_init.
10330 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10332 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10333 symbolic constants in branch patterns.
10335 2006-04-11 Roger Sayle <roger@eyesopen.com>
10337 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10339 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10341 PR rtl-optimization/27073
10342 * gcse.c (try_replace_reg): Revert last change. Continue to search
10343 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10346 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10348 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10349 aggregate types other than record and union types.
10350 (function_arg): Likewise.
10351 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10353 (function_value): In 64-bit mode, return objects that require it
10356 2006-04-11 Roger Sayle <roger@eyesopen.com>
10358 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10360 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10362 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10364 2006-04-03 Jeff Law <law@redhat.com>
10367 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10368 alias information too.
10370 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10372 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10374 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10377 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10378 (premark_used_types_helper): New.
10379 (premark_used_types): New.
10380 (gen_subprogram_die): Call premark_used_types.
10381 (prune_unused_types_walk): Do not prune perennial dies.
10382 * function.c (used_types_insert): New.
10383 * function.h (struct function): Add used_types_hash field.
10384 (used_types_insert): Add prototype.
10385 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10386 * c-parser.c (c_parser_cast_expression): Save casted types in used
10389 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10392 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10393 rs6000_explicit_options.float_gprs.
10395 2006-04-10 Roger Sayle <roger@eyesopen.com>
10397 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10398 from ix86_expand_vector_init_low_nonzero. Take an additional
10399 one_var argument indicating which element is non-zero. Support
10400 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10401 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10402 with one_var instead of ix86_expand_vector_init_low_nonzero.
10404 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10406 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10407 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10408 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10409 build/genextract.o): Depend on vecprim.h.
10410 * cfglayout.c, df-problems.c, function.c, genextract.c,
10411 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10412 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10416 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10418 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10419 Declare VECs of this type.
10420 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10421 (remove_children): Delete.
10422 (add_dwarf_attr): Use VEC routines.
10423 (add_AT_flag): Update for changes to add_dwarf_attr.
10424 (add_AT_int): Likewise.
10425 (add_AT_unsigned): Likewise.
10426 (add_AT_long_long): Likewise.
10427 (add_AT_vec): Likewise.
10428 (add_AT_string): Likewise.
10429 (add_AT_die_ref): Likewise.
10430 (add_AT_fde_ref): Likewise.
10431 (add_AT_loc): Likewise.
10432 (add_AT_loc_list): Likewise.
10433 (add_AT_addr): Likewise.
10434 (add_AT_lbl_id): Likewise.
10435 (add_AT_lineptr): Likewise.
10436 (add_AT_macptr): Likewise.
10437 (add_AT_offset): Likewise.
10438 (add_AT_range_list): Likewise.
10439 (get_AT): Use VEC_iterate.
10440 (remove_AT): Use VEC_ordered_remove.
10441 (free_die): Fold remove_children into here; have it use VEC_iterate.
10442 (print_die): Use VEC_iterate on attrs.
10443 (reverse_die_lists): Don't reverse attr lists.
10444 (die_checksum): Use VEC_iterate on attrs.
10445 (same_die_p): Likewise.
10446 (output_location_lists): Likewise.
10447 (build_abbrev_table): Likewise.
10448 (size_of_die): Likewise.
10449 (unmark_all_dies): Likewise.
10450 (output_abbrev_section): Likewise.
10451 (output_die): Likewise.
10452 (prune_unused_types_walk_attribs): Likewise.
10454 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10456 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10458 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10461 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10463 2006-04-09 Roger Sayle <roger@eyesopen.com>
10465 * expr.c (store_constructor): Don't bother clearing target if
10466 we're about to assign a vector to it using vec_init_optab.
10468 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10470 * tree-ssa-alias.c (lhs_may_store_to): New function.
10471 (recalculate_used_alone): Handle LHS of calls.
10473 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10477 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10478 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10479 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10480 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10481 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10482 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10483 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10484 stubs. Add ".align 8" directives before all ".dword" directives.
10485 (GTHREAD_USE_WEAK): Revise comment.
10486 (TARGET_ATTRIBUTE_WEAK): Define.
10487 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10488 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10489 * stublib.c: New file.
10494 * pa.md (cbranch patterns): Revise arguments used in calls to
10495 output_cbranch, output_bb and output_bvd. Add long branch length
10497 (fbranch patterns): Handle long branches.
10498 (jump): Revise length check. Revise arguments for output_lbranch call.
10499 Add long branch length attributes.
10500 (decrement_and_branch_until_zero): Add long branch length attributes.
10501 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10502 Likewise. Revise arguments for output_parallel_addb and
10503 output_parallel_movb calls.
10504 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10505 output_parallel_movb and output_parallel_addb): Update prototypes.
10506 * pa.c (output_cbranch): Revise arguments. Correct handling of
10507 nullification in long branches.
10508 (output_lbranch): Add new argument to control extraction of delay
10510 (output_bb): Handle long branches.
10511 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10512 output_parallel_addb): Likewise.
10514 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10516 PR rtl-optimization/27073
10517 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10520 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10522 * tree.h (tree_memory_tag): Add old_used_alone.
10523 (SMT_OLD_USED_ALONE): New macro.
10524 * tree-ssa-alias.c (recalculate_used_alone): Stop
10525 marking things for renaming unnecessarily.
10527 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10529 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10530 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10531 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10532 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10533 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10534 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10535 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10536 spelling convensions.
10537 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10538 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10539 typos. Follow spelling conventions.
10541 2006-04-07 DJ Delorie <dj@redhat.com>
10543 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10544 passed on the stack.
10545 (m32c_init_cumulative_args): When a function returns a structure,
10546 always pass the pointer to that return area on the stack.
10547 (m32c_function_arg_advance): Don't increment the parameter number
10548 if we're processing the returned structure pointer.
10549 (pushm_info): Reverse order of registers.
10551 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10553 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10554 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10555 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10556 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10557 build_int_cst_type.
10558 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10559 chrec_fold_multiply): Same.
10560 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10561 force_expr_to_var_cost): Same.
10562 * tree-mudflap.c (mf_xform_derefs_1): Same.
10563 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10565 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10567 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10568 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10571 2006-04-07 Jan Hubicka <jh@suse.cz>
10573 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10575 2006-04-07 Richard Guenther <rguenther@suse.de>
10577 PR tree-optimization/26135
10578 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10579 loads for store copy-prop.
10580 (copy_prop_visit_stmt): Likewise.
10582 2006-04-05 Robert Millan <robertmh@gnu.org>
10584 * config/i386/linux.h: Add a comment to mark macros that are
10585 being overriden in config/k*bsd-gnu.h.
10586 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10588 * config/knetbsd-gnu.h: Ditto.
10590 2006-04-06 Jan Hubicka <jh@suse.cz>
10594 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10597 2006-04-06 Mike Stump <mrs@apple.com>
10599 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10600 for HAVE_nonlocal_goto to be consistent.
10601 (expand_builtin_nonlocal_goto): Likewise.
10602 (expand_builtin_strcmp): Use #ifdef instead of #if
10603 for HAVE_cmpstrnsi to be consistent.
10605 2006-04-05 DJ Delorie <dj@redhat.com>
10607 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10610 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10612 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10613 got-relative addressing for anything but SImode.
10615 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10616 even if the calling function doesn't modify them.
10618 2006-04-05 Richard Guenther <rguenther@suse.de>
10620 PR tree-optimization/26919
10621 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10622 to cgraph_estimate_size_after_inlining.
10624 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10626 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10628 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10630 PR tree-optimization/26996
10631 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10632 VECTOR_TYPE variables.
10634 2006-04-05 Richard Guenther <rguenther@suse.de>
10636 PR tree-optimization/26763
10637 * fold-const.c (fold_comparison): Move folding of
10638 PTR + CST CMP PTR + CST ...
10639 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10641 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10643 * doc/install.texi (Prerequisites): Refine some wording on
10644 bootstrapping and ksh.
10645 Move the version numbers of DejaGnu here from the testing section
10646 and fix casing of names.
10647 Fix markup and clarify wording for autogen requirements.
10648 Refer to GCJ instead of just java.
10649 Refer to SVN instead of CVS.
10650 Describe diffutils as useful instead of necessary.
10651 (Downloading the source): Refer to SVN instead of CVS.
10652 Adjust a link to our web site accordingly.
10653 (Configuration): Fix casing of Bison.
10654 (Building): Refer to SVN instead of CVS.
10655 Fix a sentence on the use of Bison and remove duplicate (and
10656 incorrect) version number of Bison requirement.
10657 Remove one redundant list of packages needed for building.
10658 (Specific): Avoid reference to CVS.
10660 2006-04-04 Eric Christopher <echristo@apple.com>
10662 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10663 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10664 (rs6000_handle_struct_attribute): New.
10665 (rs6000_ms_bitfield_layout_p): Ditto.
10667 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10669 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10670 NULL for dso parameter to atexit_common.
10672 2006-04-04 Eric Christopher <echristo@apple.com>
10674 * config/i386/i386.c (machopic_output_stub): Output \t
10675 between instructions and operands.
10677 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10679 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10680 satisfies_constraint_[IL] to explicit tests on value.
10682 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10684 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10685 set_nb_iterations_in_loop): Use build_int_cst instead of
10686 build_int_cst_type.
10687 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10688 build_int_cst instead of convert.
10690 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10692 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10693 new value 2 for incoming.
10694 * function.c (expand_function_start): Call struct_value_rtx
10695 with incoming as 2.
10696 * config/sparc/sparc.md: Comment updated_return.
10697 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10698 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10699 struct return if sparc_std_struct_return and incoming is 2.
10700 (print_operand): Do not adjust return if
10701 sparc_std_struct_return.
10703 2006-04-04 Roger Sayle <roger@eyesopen.com>
10705 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10706 convert in the middle-end.
10707 * expr.c (store_expr, store_constructor, get_inner_reference,
10708 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10710 * tree.c (build_range_type): Likewise.
10712 2006-04-04 Tom Tromey <tromey@redhat.com>
10714 * doc/install.texi (Prerequisites): Mention jar.
10716 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10718 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10721 2006-04-04 Matthias Klose <doko@debian.org>
10723 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10727 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10730 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10732 * doc/extend.texi (Function Attributes): Rewrite visibility
10733 attribute documentation.
10734 * doc/invoke.texi (C++ Dialect Options): Rewrite
10735 -fvisibility-inlines-hidden documentation to describe something
10736 entirely different, although in practise compatible.
10737 (Code Gen Options): Warn about system headers in -fvisibility=
10740 * doc/extend.texi (Other Builtins): Document that
10741 __builtin_nan is a compile-time constant only when its argument
10744 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10746 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10747 trying to remove TRUNCATE check if all bits outside the new mode
10748 are identical to the sign bit.
10750 2006-04-03 Jeff Law <law@redhat.com>
10752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10753 and operand scanning in some common cases.
10755 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10756 Dale Johannesen <dalej@apple.com>
10759 * regclass.c (struct reg_pref): Update documentation.
10760 (regclass): Set prefclass to NO_REGS if memory is the best option.
10761 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10762 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10763 into account. For non-registers, equate an empty preferred
10764 reload class to a `!' in the constraint; move the if clause to
10765 do so after those that reject the insn.
10766 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10768 (find_dummy_reload): Likewise.
10769 * doc/tm.texi (Register Classes): Document what it means
10770 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10771 * config/i386/i386.c (ix86_preferred_reload_class): Force
10772 using SSE registers (and return NO_REGS for floating-point
10773 constants) if math is done with SSE.
10774 (ix86_preferred_output_reload_class): New.
10775 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10776 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10777 * config/i386/i386.md: Remove # register preferences.
10779 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10782 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10783 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10784 the type of nb_iter.
10785 (instantiate_parameters_1): Convert the operands before calling
10786 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10787 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10789 2006-04-02 Roger Sayle <roger@eyesopen.com>
10791 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10792 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10793 instead of convert.
10794 * dojump.c (do_jump): Likewise.
10795 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10796 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10797 gimplify_boolean_expr): Likewise.
10798 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10799 * varasm.c (array_size_for_constructor): Likewise.
10800 * tree-object-size.c (compute_object_offset): Likewise.
10802 2006-04-02 Roger Sayle <roger@eyesopen.com>
10804 PR middle-end/26977
10805 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10806 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10808 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10810 PR tree-optimization/26939
10811 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10813 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10815 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10816 at_stmt. Convert the type of operands before calling
10817 build_polynomial_chrec.
10818 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10819 add_to_evolution_1.
10820 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10821 (instantiate_parameters_1): Convert the type of operands before calling
10822 build_polynomial_chrec.
10823 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10824 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10825 reset_evolution_in_loop): Insert asserts to check the types of the
10827 (chrec_type): Moved...
10828 (eq_evolutions_p): Use operand_equal_p.
10829 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10830 the types of the operands.
10831 (chrec_type): ...here.
10832 * tree-data-ref.c (create_data_ref): Convert the operands before
10833 calling chrec_replace_initial_condition.
10834 (same_access_functions, analyze_subscript_affine_affine,
10835 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10836 (compute_subscript_distance, analyze_ziv_subscript,
10837 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10838 analyze_miv_subscript): Convert the operands before calling
10839 chrec_fold_minus or chrec_fold_plus.
10841 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10843 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10844 the dependence_relations vector.
10845 (compute_data_dependences_for_loop): Adjust call to
10846 compute_all_dependences.
10848 2006-04-01 Roger Sayle <roger@eyesopen.com>
10849 Richard Henderson <rth@redhat.com>
10851 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10852 gimple_boolify on the condition before calling gimplify_expr.
10854 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10856 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10857 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10858 the frame size. Update to use the new macros.
10859 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10860 * config/xtensa/ieee754-df.S: Likewise.
10862 2006-03-31 Richard Henderson <rth@redhat.com>
10864 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10865 (make_edges): ... here. Control fallthru creation with a local
10866 variable. Do not play with fake edges.
10867 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10868 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10871 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10873 * dwarf2.h (DW64_CIE_ID): Define.
10874 * dwarf2out.c (DWARF_CIE_ID): Define.
10875 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10876 length header. Use DWARF_CIE_ID.
10877 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10878 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10880 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10882 * config/sh/linux-atomic.asm: New file.
10883 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10885 2006-03-31 DJ Delorie <dj@redhat.com>
10887 * config/m32c/cond.md: Set condition flags properly throughout.
10888 * config/m32c/minmax.md: Likewise.
10889 * config/m32c/prologue.md: Likewise.
10890 * config/m32c/bitops.md: Likewise.
10891 * config/m32c/muldiv.md: Likewise.
10892 * config/m32c/mov.md: Likewise.
10893 * config/m32c/addsub.md: Likewise.
10894 * config/m32c/m32c.md: Likewise.
10895 * config/m32c/jump.md: Likewise.
10896 * config/m32c/shift.md: Likewise.
10898 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10899 conditionally output the pattern for this.
10900 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10901 (m32c_compare_redundant): New.
10902 (m32c_output_compare): New.
10903 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10905 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10906 dest, not src. Allow other 4-byte modes.
10908 2006-03-30 Denis Chertykov <denisc@overta.ru>
10910 * doc/md.texi: Refer to avr/constraints.md instead of
10913 2006-03-30 Roger Sayle <roger@eyesopen.com>
10915 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10916 signed vs. unsigned comparison failures on some hosts.
10918 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10921 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10922 change to FLOAT_REGS.
10924 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10925 (rs6000_override_options): Use it.
10926 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10927 only for -mabi=spe/no-spe and -mabi=altivec.
10929 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10931 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10934 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10936 * Makefile.in: Rename docdir to gcc_docdir.
10938 2006-03-30 Roger Sayle <roger@eyesopen.com>
10941 * expr.c (emit_group_store): Optimize group stores into a pseudo
10942 register by using a paradoxical subreg to initialize the destination
10943 if the first or last member of the group specifies a "low part".
10945 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10948 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10949 * target.h (struct gcc_target.speculate_insn): Change type of the
10950 second parameter to 'int'.
10951 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10952 the second operand of the DEPS_LIST.
10953 (copy_DEPS_LIST_list): Update reference to the second operand of the
10955 * rtl.h (alloc_DEPS_LIST): Update signature.
10956 * sched-int.h (ds_t): Change typedef to 'int'.
10957 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10959 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10961 * haifa-sched.c (try_ready): Change condition to restore
10962 non-speculative pattern of the instruction.
10963 (process_insn_depend_be_in_spec): Code to keep probability of the
10964 speculative dependence non-decreasing.
10966 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10968 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10969 (single_move_for_movmem): ... this. Also change all uses.
10970 (bfin_expand_strmov): Renamed to...
10971 (bfin_expand_movmem): ... this. Also change all uses.
10972 * config/bfin/bfin.md (movstrsi): Renamed to...
10973 (movstrsi): ...this.
10975 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10977 PR tree-optimization/26830
10979 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10980 (copy_prop_visit_stmt): Remove write-only variable ann.
10981 (init_copy_prop): Check variable loop depth here. Do not simulate
10982 memory-tag and virtual operand PHIs except for store copy prop.
10984 2006-03-30 Richard Guenther <rguenther@suse.de>
10986 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10987 variants with double arguments.
10989 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10991 * genpreds.c (write_tm_constrs_h): Delete variable p.
10992 * genconditions.c (write_header): Add tm-constrs.h to included
10994 * genpeep.c (main): Add toplev.h to included headers.
10995 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10996 (build/genpeep.o): Add toplev.h dependency.
10997 * config/rs6000/constraints.md: Add "W" constraint.
10999 2006-03-29 Roger Sayle <roger@eyesopen.com>
11001 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11002 sizes by correctly testing whether the size fits a host integer.
11003 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11004 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11005 SImode range for the default sizetype and bitsizetype.
11007 2006-03-29 Roger Sayle <roger@eyesopen.com>
11009 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11010 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11011 quickly if the argument is already of the correct type.
11012 Call fold_build1 instead of build1. Tidy up blank lines.
11014 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11016 * genemit.c (main): Add tm-constrs.h to included headers.
11017 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11018 * genpeep.c (main): Add tm-constrs.h to included headers.
11019 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11020 (write_tm_constrs_h): this and write complete file.
11021 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11022 (write_insn_preds_c): Add tm-constrs.h to included headers.
11023 (gen_constrs): New variable.
11024 (parse_option): Parse "-c".
11025 (main): Invoke write_tm_constrs_h.
11026 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11027 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11028 (object_out_file): Add tm-constrs.h dependency.
11029 (insn-emit.o): Same.
11030 (insn-output.o): Same.
11031 (insn-peep.o): Same.
11032 (insn-preds.o): Same.
11033 (insn-recog.o): Same.
11034 (tm-constsr.h): New target.
11035 (s-constrs-h): New target.
11037 * config/rs6000/constraints.md: New file.
11038 * config/rs6000/rs6000.c: Include tm-constrs.h.
11039 (num_insn_constant_wide): Convert to satisfies_constraint.
11040 (rs6000_rtx_costs): Convert to satisfies_constraint.
11041 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11042 (CONST_OK_FOR_LETTER_P): Delete.
11043 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11044 (EXTRA_CONSTRAINT): Delete.
11045 (EXTRA_MEMORY_CONSTRAINT): Delete.
11046 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11047 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11048 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11049 satisfies_constraint.
11051 * config/i386/i386.c: Include tm-constrs.h.
11053 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11055 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11056 * tree-data-ref.c (find_data_references_in_loop,
11057 compute_data_dependences_for_loop): Use pointers to VEC.
11058 (analyze_all_data_dependences): Adjust calls.
11059 * tree-data-ref.h (find_data_references_in_loop,
11060 compute_data_dependences_for_loop): Adjust declarations.
11061 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11062 compute_data_dependences_for_loop.
11064 2006-03-29 Paul Brook <paul@codesourcery.com>
11066 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11067 (movdf_vfp): Ditto.
11069 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11071 PR tree-optimization/26859
11072 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11074 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11075 for the step after fold_convert.
11077 2006-03-29 Paul Brook <paul@codesourcery.com>
11079 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11080 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11082 2006-03-29 Paul Brook <paul@codesourcery.com>
11084 PR middle-end/23623
11085 * targhooks.c (default_narrow_bitfield): New fuction.
11086 * targhooks.h (default_narrow_bitfield): add prototype.
11087 * target.h (gcc_target): Add narrow_volatile_bitfield.
11088 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11089 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11090 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11091 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11093 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11095 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11097 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11098 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11099 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11100 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11101 (s390_function_arg_float): Allow SDmode and DDmode values to be
11102 passed in floating point registers.
11103 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11104 check with SCALAR_FLOAT_MODE_P.
11105 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11107 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11109 PR tree-optimization/25985
11110 * tree-ssa-loop-niter.c (number_of_iterations_le,
11111 number_of_iterations_ne): Make comments more precise.
11112 (number_of_iterations_cond): Add only_exit argument. Use the
11113 fact that signed variables do not overflow only when only_exit
11115 (loop_only_exit_p): New.
11116 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11117 number_of_iterations_cond.
11119 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11121 PR tree-optimization/26643
11122 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11125 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11127 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11128 (divsi3_i4_int): Likewise.
11130 2006-03-28 Roger Sayle <roger@eyesopen.com>
11132 * expr.c (emit_group_store): Only create a new pseudo reg if the
11133 quantity it needs to hold isn't already a suitable pseudo.
11135 2006-03-28 Jeff Law <law@redhat.com>
11137 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11138 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11140 2006-03-28 Roger Sayle <roger@eyesopen.com>
11142 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11143 the equivalent ~X & Y, and the symmetry related transformations.
11144 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11145 ~X & Y, and symmetry related transforms.
11147 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11149 Revert my 2006-03-27 patches.
11151 2006-03-28 Roger Sayle <roger@eyesopen.com>
11153 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11154 ~(T1)X, when T1 and T2 are integer types of the same precision
11155 and (T2)X isn't an extension.
11157 2006-03-28 Jeff Law <law@redhat.com>
11159 PR tree-optimization/26796
11160 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11161 need EH edge cleanups rather than purging them immediately.
11162 (eliminate_degenerate_phis): Handle queued EH cleanups.
11164 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11166 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11169 2006-03-27 Roger Sayle <roger@eyesopen.com>
11171 PR middle-end/22524
11172 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11173 cast BIT_NOT_EXPR operand to the correct type.
11175 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11177 * tree-loop-linear.c: Don't include varray.h.
11178 (gather_interchange_stats, try_interchange_loops,
11179 linear_transform_loops): Use VEC instead of VARRAY.
11180 * lambda-mat.c: Don't include varray.h.
11181 * tree-chrec.c: Same.
11182 * lambda-trans.c: Same.
11183 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11184 VEC instead of VARRAY.
11185 * tree-vectorizer.h: Idem.
11186 * tree-data-ref.c (dump_data_references,
11187 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11188 initialize_data_dependence_relation, finalize_ddr_dependent,
11189 compute_all_dependences, find_data_references_in_loop,
11190 compute_data_dependences_for_loop, analyze_all_data_dependences,
11191 free_dependence_relation, free_dependence_relations,
11192 free_data_refs): Idem.
11193 * tree-data-ref.h (data_reference_p, subscript_p): New.
11194 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11195 VEC instead of VARRAY.
11196 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11197 (find_data_references_in_loop, compute_data_dependences_for_loop,
11198 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11199 dump_data_dependence_relations, free_dependence_relations,
11200 free_data_refs): Adjust declaration.
11201 (lambda_transform_legal_p): Move declaration here...
11202 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11203 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11204 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11205 vect_analyze_data_refs): Use VEC instead of VARRAY.
11206 * lambda.h (lambda_transform_legal_p): ...from here.
11207 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11208 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11209 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11210 tree-chrec.o): Don't depend on VARRAY_H.
11212 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11214 * rtl.def (Copyright): Update date.
11215 (DEPS_LIST): Change type of the second operand to 'int'.
11216 * target.h (Copyright): Update date.
11217 (struct gcc_target.speculate_insn): Change type of the second parameter
11219 * lists.c (Copyright): Update date.
11220 (alloc_DEPS_LIST): Change signature. Update reference to the second
11221 operand of the DEPS_LIST.
11222 (copy_DEPS_LIST_list): Update reference to the second operand of the
11224 * rtl.h (Copyright): Update date.
11225 (alloc_DEPS_LIST): Update signature.
11226 * sched-int.h (Copyright): Update date.
11227 (ds_t): Change typedef to 'int'.
11228 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11230 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11232 * haifa-sched.c (Copyright): Update date.
11233 (try_ready): Change condition to restore non-speculative pattern
11234 of the instruction.
11235 (process_insn_depend_be_in_spec): Code to keep probability of the
11236 speculative dependence non-decreasing.
11238 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11240 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11241 shut up the compiler.
11243 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11245 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11246 to use lib prefix for target.
11247 ($(T)libic_invalidate_array_4-200.a): Likewise.
11248 ($(T)libic_invalidate_array_4a.a): Likewise.
11250 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11251 J"orn Rennecke <joern.rennecke@st.com>
11253 * superh.opt: New file.
11254 * sh.c (boardtype, osruntime): Remove.
11255 * superh.h (SUBTARGET_OPTIONS): Remove.
11256 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11258 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11259 arguments with ^ and/or [].
11261 * config.gcc (sh-*-*): Add quoting to account for quirk of
11263 Replace == with = in enable_incomplete_targets test.
11265 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11266 with MASK_LITTLE_ENDIAN.
11268 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11269 * config/sh/sh.opt: Added to some comments.
11270 * config/sh/superh.h: Removed some chaff.
11272 * config/sh/sh.opt: Add m4-[1234]00* options.
11273 * config/sh/sh.c (sh_handle_option): Likewise.
11274 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11275 (ic_invalidate_array_4-100.o): New rule.
11276 ($(T)libic_invalidate_array_4-100.a): Likewise.
11277 (ic_invalidate_array_4-200.o): Likewise.
11278 ($(T)libic_invalidate_array_4-200.a): Likewise.
11279 (ic_invalidate_array_4a.o): Likewise.
11280 ($(T)libic_invalidate_array_4a.a): Likewise.
11281 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11282 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11284 * config/sh/crt1.asm: Merged in profiling code.
11285 * config/sh/superh.h (STARTFILE_SPEC): Override.
11286 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11287 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11288 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11290 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11291 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11292 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11294 * sh.opt (mpretend-cmove): New option.
11295 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11296 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11297 (movsicc): Add TARGET_PRETEND_CMOVE code.
11299 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11301 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11302 s390_class_max_nregs): New function prototypes.
11303 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11304 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11305 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11306 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11308 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11310 * dwarf2out.c (add_location_or_const_value_attribute): Call
11311 tree_add_const_value_attribute if nothing else works.
11312 (reference_to_unused): New.
11313 (rtl_for_decl_init): Use reference_to_unused to decide whether
11314 to output an initializer.
11316 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11319 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11320 peephole removing spe frob_di_df_2.
11322 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11324 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11325 (subscript_dependence_tester_1): Declared.
11326 (print_dir_vectors, print_dist_vectors): New.
11327 (debug_data_dependence_relation): New.
11328 (dump_data_dependence_relation): Print more details.
11329 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11330 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11331 (save_dist_v, save_dir_v, add_outer_distances,
11332 build_classic_dist_vector_1): New.
11333 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11334 Don't test for lambda_vector_lexico_pos.
11335 (same_access_functions, add_multivariate_self_dist,
11336 add_other_self_distances, dir_from_dist): New.
11337 (build_classic_dir_vector): Replace implementation almost identical to
11338 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11340 (subscript_dependence_tester_1): New.
11341 (subscript_dependence_tester): Handle the lexicographically negative
11342 distance vectors by recomputing the dependence relation.
11343 (compute_affine_dependence): Remove parameter loop_nest_depth.
11344 (compute_self_dependence): Don't call compute_subscript_distance.
11345 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11346 Add a parameter for the loop_nest.
11347 (find_loop_nest_1, find_loop_nest): New.
11348 (compute_data_dependences_for_loop): Compute the loop nest, and give
11349 up if the nest is not well formed.
11350 * tree-data-ref.h (loop_p): New.
11351 (struct data_dependence_relation): Replace size_vect field with
11352 loop_nest, a vec of loops.
11353 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11354 (DDR_LOOP_NEST): New.
11355 (print_dir_vectors, print_dist_vectors,
11356 debug_data_dependence_relation): Declared.
11357 (index_in_loop_nest): New.
11358 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11359 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11362 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11364 * simplify-rtx.c (simplify_relational_operation): Call
11365 simplify_relational_operation_1 even if mode is VOIDmode.
11367 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11369 PR tree-optimization/26804
11370 * tree.h (DECL_CALL_CLOBBERED): New macro.
11371 (tree_decl_common): Add call_clobbered_flag.
11372 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11373 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11374 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11375 (mark_non_addressable): Ditto.
11376 * tree-ssa.c (verify_call_clobbered): New function.
11377 (verify_alias_info): Use it.
11378 * tree-pass.h (pass_reset_cc_flags): New prototype.
11379 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11380 (reset_cc_flags): New function.
11381 * passes.c (init_optimization_passes): Call reset_cc_flags after
11382 initializing referenced_vars.
11384 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11385 Roger Sayle <roger@eyesopen.com>
11387 PR middle-end/26717
11388 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11389 to 1.0 for non-real operands. Implement A / A optimization for
11392 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11394 * config/i386/i386.c (size_cost): Correct the comment for
11395 cost of storing fp registers.
11396 (i386_cost): Likewise.
11397 (i486_cost): Likewise.
11398 (pentium_cost): Likewise.
11399 (pentiumpro_cost): Likewise.
11400 (k6_cost): Likewise.
11401 (athlon_cost): Likewise.
11402 (k8_cost): Likewise.
11403 (pentium4_cost): Likewise.
11404 (nocona_cost): Likewise.
11405 (generic64_cost): Likewise.
11406 (generic32_cost): Likewise.
11408 2006-03-24 Denis Chertykov <denisc@overta.ru>
11410 * config/avr/avr-protos.h (extra_constraint): Delete.
11411 (extra_constraint_Q): New declaration.
11412 * config/avr/constraints.md: New file.
11413 * config/avr/avr.md: Include it.
11414 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11415 (TMP_REGNO, ZERO_REGNO): Likewise.
11416 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11417 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11418 (extra_constraint): Delete.
11419 (extra_constraint_Q): Test for memory constraint 'Q'.
11420 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11421 (REG_CLASS_FROM_LETTER): Delete.
11422 (CONST_OK_FOR_LETTER_P): Delete.
11423 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11424 (EXTRA_CONSTRAINT): Delete.
11425 (TMP_REGNO): Delete.
11426 (ZERO_REGNO): Delete.
11428 2006-03-24 Jeff Law <law@redhat.com>
11430 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11431 directly. Call mark_new_vars_to_rename slightly earlier.
11433 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11435 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11436 (is_cxx): Likewise.
11437 (gen_compile_unit_die): Use new language types for Objective-C and
11439 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11440 DW_LANG_C_plus_plus.
11443 * config/t-darwin (crt3.o): Work around bug 26840.
11444 * config/darwin-crt3.c: Rewrite.
11445 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11447 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11449 * doc/invoke.texi: Document -femit-class-debug-always
11450 * common.opt: Add -femit-class-debug-always.
11452 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11454 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11455 index and base register.
11456 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11457 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11458 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11459 REGNO_OK_FOR_INDEX_P.
11460 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11462 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11463 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11464 REG_OK_FOR_BASE_P): Definitions removed.
11466 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11468 PR middle-end/26611
11469 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11470 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11471 set yet or weren't marked as local yet.
11473 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11475 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11478 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11480 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11481 (rs6000_legitimate_small_data_p): Delete.
11482 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11483 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11484 and make static. Add forward declaration. Update uses.
11485 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11486 of offsettable_memref_p.
11487 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11488 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11490 2006-03-24 Jeff Law <law@redhat.com>
11492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11493 around bug in immediate-use iterator.
11495 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11498 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11499 or __LITTLE_ENDIAN__.
11501 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11503 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11504 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11505 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11506 * config/sh/sh.opt (mdiv=): Amend description.
11507 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11508 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11509 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11510 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11511 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11512 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11513 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11514 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11515 TARGET_DIVIDE_CALL_FP.
11517 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11519 * haifa-sched.c (choose_ready): Fix type of the local variable.
11520 Move local variables. Add comment.
11521 (check_reg_live): Change signature. Make callable from debugger.
11522 * sched-int.h (check_reg_live): Update signature.
11523 * sched-ebb.c (check_reg_live): Update parameters.
11524 * sched-rgn.c (check_reg_live): Ditto.
11525 (region_head_or_leaf_p): Check pointer before dereferencing.
11526 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11527 before reload on optimization levels below 1.
11529 2006-03-23 Richard Henderson <rth@redhat.com>
11531 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11535 * config/alpha/predicates.md (local_symbolic_operand): Reject
11538 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11541 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11542 expressions which have overflowed constants.
11544 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11546 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11548 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11550 * cfgloopmanip.c (create_loop_notes): Removed.
11551 * final.c (final_scan_insn): Do not handle loop notes.
11552 * jump.c (squeeze_notes): Ditto.
11553 * cfglayout.c (skip_insns_after_block,
11554 duplicate_insn_chain): Ditto.
11555 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11557 * cfgloop.h (create_loop_notes): Declaration removed.
11559 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11561 * varasm.c (output_constant_pool): Restore fnname and fndecl
11563 (assemble_start_function): Adjust call accordingly.
11564 (assemble_end_function): Likewise.
11566 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11569 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11572 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11574 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11577 * system.h (ICE_EXIT_CODE): New macro.
11578 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11579 (diagnostic_action_after_output): Likewise.
11580 * gcc.c (fatal_ice): New function.
11581 (execute): Use it instead of fatal.
11582 (fancy_abort): Likewise.
11583 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11585 2006-03-22 Jeff Law <law@redhat.com>
11587 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11588 iv_analyze_result returning false.
11590 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11592 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11594 2006-03-22 Richard Henderson <rth@redhat.com>
11596 PR middle-end/26084
11597 * except.c (duplicate_eh_regions_0): New.
11598 (duplicate_eh_region_1): Duplicate the children of the node as
11599 well as the node itself. Link them up properly.
11600 (duplicate_eh_region_2): Merge into ...
11601 (duplicate_eh_regions): ... here. Take copy_region argument, and
11602 copy only a sub-tree if asked. Simplify copying and fixup.
11603 (eh_region_outer_p): New.
11604 * except.h (duplicate_eh_regions): Update decl.
11605 (eh_region_outer_p): Declare.
11606 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11607 (lower_omp_master): Likewise.
11608 (lower_omp_ordered): Likewise.
11609 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11610 (move_stmt_r): Use it to remap labels. Handle recursion vs
11611 remap_decls_p properly.
11612 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11613 (find_outermost_region_in_block): New.
11614 (new_label_mapper): New.
11615 (move_sese_region_to_fn): Copy eh information to the new function
11617 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11619 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11622 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11624 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11625 into shared libraries.
11627 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11629 * doc/md.texi: Refer to i386/constraints.md instead of
11630 i386/predicates.md.
11631 * config/i386/constraints.md: New file, extracted from...
11632 * config/i386/predicates.md: ...here.
11633 * config/i386/i386.md: Include constraints.md.
11635 2006-03-21 Jason Merrill <jason@redhat.com>
11637 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11639 PR middle-end/20297
11640 * expr.c (init_block_move_fn): Force default visibility.
11641 (init_block_clear_fn): Likewise.
11642 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11643 * targhooks.c (default_external_stack_protect_fail): Likewise.
11645 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11647 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11648 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11649 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11650 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11651 (loadgp): Use mips_current_loadgp_style.
11652 (loadgp_noshared): New pattern.
11653 (sibcall_internal): Use MIPS_CALL.
11654 (sibcall_value_internal): Likewise.
11655 (sibcall_value_multiple_internal): Likewise.
11656 (call_internal): Likewise.
11657 (call_value_internal): Likewise.
11658 (call_value_multiple_internal): Likewise.
11659 (call_split): Use MIPS_CALL and add an 'S' constraint.
11660 (call_value_split): Likewise.
11661 (call_value_multiple_split): Likewise.
11662 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11663 (-mshared): New option.
11664 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11665 (mips_current_loadgp_style): Declare.
11666 * config/mips/mips.c (mips_classify_symbol): Avoid using
11667 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11668 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11669 TARGET_ABSOLUTE_ABICALLS.
11670 (override_options): Adjust comments. Improve the warning that is
11671 issued when -mabicalls and -G are used together.
11672 (mips_file_start): Remove comment.
11673 (mips_current_loadgp_style): New function.
11674 (mips_gnu_local_gp): New variable.
11675 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11677 (mips_output_function_prologue): Use mips_current_laodgp_style.
11678 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11679 the cprestore instruction.
11680 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11681 live for TARGET_ABSOLUTE_ABICALLS.
11682 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11683 (ASM_SPEC): Pass down -mshared and -mno-shared.
11684 (MIPS_CALL): New macro.
11685 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11687 * doc/invoke.texi (-mabicalls): Update documentation.
11688 (-mshared): Document.
11690 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11692 * config/ia64/unwind-hpux.c: New file.
11693 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11695 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11698 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11700 2006-03-21 Jeff Law <law@redhat.com>
11702 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11703 type conversions of a VR_VARYING source to a wider type.
11705 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11707 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11708 tm_file on Solaris 10 and later.
11709 (sparc64-*-solaris2*): Likewise.
11710 (sparc-*-solaris2*): Likewise.
11711 * config/sol26.h: Rename to config/sol2-6.h.
11712 * config/sol2-10.h: New file.
11714 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11717 * tree-ssa-pre.c (create_component_ref_by_pieces):
11720 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11723 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11724 return it immediately.
11726 2006-03-21 Michael Matz <matz@suse.de>
11728 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11730 (remove_arc, add_arc): Update num_out_arcs member.
11731 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11733 (cache_presence): New function.
11734 (compare_states_for_equiv): New function.
11735 (state_is_differed): Don't take number of outargs, adjust callers.
11736 Use new invariant for speeding up.
11737 (init_equiv_class): Create initial classes based on sorted
11739 (partition_equiv_class): Don't track out_arcs_num.
11740 (evaluate_equiv_classes): Call cache_presence on all states and
11743 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11745 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11746 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11747 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11748 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11750 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11751 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11752 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11753 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11754 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11756 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11757 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11758 (REGNO_REG_CLASS): ARGP is in PREGS.
11759 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11761 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11762 to deal with those addresses.
11763 * addresses.h: New file.
11764 * caller-save.c: Include "addresses.h".
11765 (init_caller_save): Use new base_reg_class function.
11766 * rtl-factoring.c: Include "addresses.h".
11767 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11768 * recog.c: Include "addresses.h".
11769 (preprocess_constraints): Use new base_reg_class function.
11770 * regrename.c: Include "addresses.h".
11771 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11772 functions. Keep track of a new var INDEX_CODE to compute valid
11774 (replace_oldest_value_addr): Likewise.
11775 (replace_oldest_value_mem): Use base_reg_class.
11776 * reload.c: Include "addresses.h".
11777 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11778 (find_reloads): Use new base_reg_class function.
11779 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11780 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11781 all callers and prototype changed.
11782 * reload1.c: Include "addresses.h".
11783 (maybe_fix_stack_asms): Use base_reg_class.
11784 * regclass.c: Include "addresses.h".
11785 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11786 (init_reg_autoinc): Use new base_reg_class function.
11787 (record_reg_classes): Likewise.
11788 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11789 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11790 Use new args to compute necessary class.
11792 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11793 regrename.o, rtl-factoring.o): Update dependencies.
11794 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11795 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11796 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11797 REG_OK_FOR_INDEX_P): Delete documentation.
11799 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11801 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11802 from V7 to V9 for Solaris 7 and above.
11804 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11806 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11807 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11808 argument pointers may not alias any other storage.
11809 * common.opt: Define option -fargument-noalias-anything.
11810 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11811 alias semantics is specified by flag_argument_noalias > 2.
11813 2006-03-20 Jeff Law <law@redhat.com>
11815 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11816 (pass_phi_only_cprop): Declare.
11817 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11818 with phi_only_cprop
11819 * tree-ssa-dom.c (degenerate_phi_result): New function.
11820 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11821 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11822 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11823 (eliminate_degenerate_phis): Likewise.
11824 (pass_phi_only_cprop): New pass descriptor.
11825 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11826 support code. Callers updated.
11827 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11828 (store_copy_prop): Likewise.
11829 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11831 2006-03-20 Jason Merrill <jason@redhat.com>
11834 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11835 (push_visibility, pop_visibility): Likewise.
11836 * c-pragma.h: Declare them.
11838 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11840 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11842 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11843 parameter and use get_ebb_head_tail.
11844 (sh_md_init_global): Adjust uses of find_regmode_weight.
11846 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11848 * function.h (struct function) <x_tail_recursion_reentry>:
11849 Rename to x_stack_check_probe_note.
11850 (tail_recursion_reentry): Rename to stack_check_probe_note.
11851 * function.c: Replace tail_recursion_reentry with
11852 stack_check_probe_note everywhere.
11853 (expand_function_start): Only emit a note for
11854 stack_check_probe_note with -fstack-protect.
11855 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11857 * emit-rtl.c (remove_unnecessary_notes): Remove.
11858 (pass_remove_unnecessary_notes): Remove.
11859 * rtl.h (remove_unnecessary_notes): Remove prototype.
11860 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11861 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11862 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11864 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11867 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11868 (valid_in_set): Handle ARRAY_REF.
11869 Change "if min_variant or VH" to asserts.
11870 (create_component_ref_by_pieces): Handle ARRAY_REF.
11871 (create_expression_by_pieces): Likewise.
11872 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11874 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11876 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11877 is operand of switch, not str[0].
11879 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11881 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11882 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11884 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11886 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11887 end of insn_extra_address_constraint declaration.
11889 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11891 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11892 (no-sum-in-toc): Same.
11893 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11895 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11896 NO_FP_IN_TOC for -fPIC instead of mask.
11898 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11899 (BOOT_LDFLAGS): Delete.
11901 * config/rs6000/t-aix52: Same.
11903 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11904 (stmsi[345678]_power): New.
11906 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11908 * config/ia64/ia64.opt: Add empty line to end of file.
11910 2006-03-17 Richard Guenther <rguenther@suse.de>
11912 PR middle-end/26721
11913 * builtins.c (get_pointer_alignment): For component style references
11914 adjust alignment to the component type alignment. Make sure
11915 to adjust alignment for component access of constants.
11917 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11919 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11920 unconditional jump.
11922 2006-03-17 Paul Brook <paul@codesourcery.com>
11924 * doc/install.texi: Docuemnt --with-mode.
11925 * config.gcc: Add --with-mode for arm*-*-*.
11926 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11928 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11930 * sh.c (max_labelno_before_reorg): New variable.
11931 (sh_reorg): Initialize it.
11932 (find_barrier): Check max_labelno_before_reorg before using
11933 label_to_alignment. Take length of explicit alignment insns
11934 into account. When seeing a UNSPECV_CONST_END, return it.
11936 * sh.c (fixup_mova): Set mode of affected label to QImode.
11937 (untangle_mova): New function.
11938 (find_barrier): Use it. Check mode of label before decrementing
11940 (sh_reorg): Likewise.
11941 Set mode of all insns back to VOIDmode.
11943 * sh.c (MOVA_LABELREF): New macro.
11944 (mova_p, fixup_mova, sh_reorg): Use it.
11945 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11946 ADDR_DIFF_VEC matches mova.
11948 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11950 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11951 with ATTRIBUTE_UNUSED.
11953 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11955 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11956 pointer, instead of assuming it is possible to derive the
11957 correct args size from a call insn.
11959 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11961 * rtl.h (CONST_INT_P): Define.
11962 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11963 instead of GET_CODE(x) == CONST_INT.
11964 (vax_rtx_costs): Likewise.
11965 (vax_output_int_move): Likewise.
11966 (vax_output_int_add): Likewise.
11967 (legitimate_constant_address_p): Likewise.
11968 (index_term_p): Likewise.
11969 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11970 * config/vax/vax.md (and<mode>3): Likewise.
11971 (ashrsi3): Likewise.
11973 (movstricthi): Likewise.
11974 (movstrictqi): Likewise.
11975 (rotrsi3): Likewise.
11976 (five unnamed insns): Likewise.
11978 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11980 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11981 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11982 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11983 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11984 Pass to ASM_OUTPUT_DWARF_OFFSET.
11985 * dwarf2out.c (debug_frame_section): New.
11986 (output_call_frame_info): Use debug_frame_section. Pass it to
11987 dw2_asm_output_offset.
11988 (output_die): Pass appropriate section to dw2_asm_output_offset.
11989 (output_compilation_unit_header): Likewise.
11990 (output_pubnames): Likewise.
11991 (output_aranges): Likewise.
11992 (enum dw_val_class): Break dw_val_class_lbl_offset into
11993 dw_val_class_lineptr and dw_val_class_macptr.
11994 (add_AT_lbl_offset): Delete.
11995 (add_AT_lineptr): New.
11996 (add_AT_macptr): New.
11997 (AT_lbl): Expect a lineptr or macptr.
11998 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11999 (attr_checksum): Likewise.
12000 (same_dw_val_p): Likewise.
12001 (size_of_die): Likewise.
12002 (value_format): Likewise.
12003 (output_die): Likewise.
12004 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12006 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12007 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12008 * config/darwin-protos.h (darwin_file_start): New.
12009 (darwin_asm_output_dwarf_offset): New.
12010 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12011 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12013 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12014 if not EH section; simplify.
12015 (darwin_file_start): New.
12016 (darwin_asm_output_dwarf_offset): New.
12017 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12019 (DEBUG_INFO_SECTION): Likewise.
12020 (DEBUG_ABBREV_SECTION): Likewise.
12021 (DEBUG_ARANGES_SECTION): Likewise.
12022 (DEBUG_MACINFO_SECTION): Likewise.
12023 (DEBUG_LINE_SECTION): Likewise.
12024 (DEBUG_LOC_SECTION): Likewise.
12025 (DEBUG_PUBNAMES_SECTION): Likewise.
12026 (DEBUG_STR_SECTION): Likewise.
12027 (DEBUG_RANGES_SECTION): Likewise.
12028 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12029 (ASM_OUTPUT_DWARF_OFFSET): New.
12031 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12033 * config.gcc (tm_defines): Always add to previous value rather
12036 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12038 * config/mips/predicates.md (splittable_const_int_operand): New,
12039 split from move_operand.
12040 (splittable_symbolic_operand): New.
12041 (move_operand): Add commentary. Use splittable_const_int_operand.
12042 Inline mips_atomic_symbolic_constant_p.
12043 * config/mips/mips.md: Add combine splitters for handling moves
12044 of splittable_const_int_operands and splittable_symbolic_operands.
12045 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12046 (mips_split_symbol): Declare.
12047 (mips_move_integer): Declare.
12048 * config/mips/mips.c (mips_split_p): Make global.
12049 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12050 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12051 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12052 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12053 (mips_offset_within_object_p): Handle block symbols.
12054 (mips_atomic_symbolic_constant_p): Delete.
12055 (mips_cannot_force_const_mem): Return false for constants that
12056 mips_legitimize_move can handle.
12057 (mips_use_blocks_for_constant_p): New function.
12058 (mips_split_symbol): Make global.
12059 (mips_move_integer): Likewise. Add a temporary register argument.
12060 (mips_legitimize_const_move): Use splittable_const_int_operand and
12061 splittable_symbolic_operand.
12062 (mips_use_anchors_for_symbol_p): New function.
12063 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12064 (mips_split_p): Declare.
12066 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12068 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12069 (mips*-*-linux*): Likewise.
12071 2006-03-16 Roger Sayle <roger@eyesopen.com>
12072 Daniel Speyer <dspeyer@wam.umd.edu>
12074 PR middle-end/18259
12075 * tree-dump.c (dump_real): New function.
12076 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12077 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12078 (tree-dump.o): Add $(REAL_H) to the dependencies.
12080 2006-03-16 Roger Sayle <roger@eyesopen.com>
12082 PR middle-end/21781
12083 * real.c (real_from_string): If the mantissa is zero, don't bother
12084 parsing the exponent as the result should always be zero.
12086 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12088 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12090 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12092 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12093 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12094 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12095 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12096 ia64_sched_finish_global): New static functions to implement
12097 hooks from gcc_target.sched.
12098 (spec_check_no, max_uid, pending_data_specs): New static variables.
12099 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12100 ia64_spec_check_src_p): New static functions.
12101 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12102 (TARGET_SCHED_ADJUST_COST): Removed.
12103 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12104 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12105 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12106 TARGET_SCHED_GEN_CHECK,
12107 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12108 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12109 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12110 Fixed to handle speculation checks.
12111 (rtx_needs_barrier): Fixed to handle speculative loads and
12113 (ia64_variable_issue): Added code to count speculative loads and their
12115 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12117 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12119 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12121 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12122 (ia64_reorg): Reset stops_p to NULL after it is freed.
12123 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12124 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12125 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12127 (data_speculative, control_speculative, check_load): New attributes.
12128 (mov<mode>_advanced, mov<mode>_speculative,
12129 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12130 zero_extend<mode>di2_speculative,
12131 zero_extend<mode>di2_speculative_advanced): New patterns for
12132 data and control speculative loads.
12133 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12135 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12136 New pattern for data and control speculation checks.
12137 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12138 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12139 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12140 Auxiliary definitions for the patterns.
12141 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12142 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12144 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12146 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12147 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12148 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12149 New resource constraints.
12150 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12152 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12153 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12154 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12155 msched-in-control-spec, msched-ldc, msched-control-ldc,
12156 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12157 msched-prefer-non-control-spec-insns,
12158 msched-count-spec-in-critical-path): New flags to tune speculative
12160 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12161 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12162 msched-in-control-spec, msched-ldc, msched-control-ldc,
12163 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12164 msched-prefer-non-control-spec-insns,
12165 msched-count-spec-in-critical-path): Document new flags.
12167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12169 * target.h (struct spec_info_def): New opaque declaration.
12170 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12171 speculate_insn, needs_block_p, gen_check,
12172 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12173 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12174 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12175 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12176 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12177 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12179 (TARGET_SCHED): Use new macros.
12180 * rtl.h (copy_DEPS_LIST_list): New prototype.
12181 * sched-int.h (struct sched_info): Change signature of new_ready field,
12182 adjust all initializations. New fields: add_remove_insn,
12183 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12184 region_head_or_leaf_p.
12185 (struct spec_info_def): New structure declaration.
12186 (spec_info_t): New typedef.
12187 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12188 recovery_block, orig_pat.
12189 (glat_start, glat_end): New variables declaraions.
12190 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12192 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12193 DETACH_LIFE_INFO, USE_GLAT.
12194 (enum SPEC_SCHED_FLAGS): New enumeration.
12195 (NOTE_NOTE_BB_P): New macro.
12196 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12197 attach_life_info, debug_spec_status, check_reg_live): New functions.
12198 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12199 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12201 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12202 * ddg.c (get_block_head_tail): Adjust all uses.
12203 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12204 (sms_sched_info): Initialize new fields.
12205 (contributes_to_priority): Removed.
12206 * haifa-sched.c (params.h): New include.
12207 (get_block_head_tail): Adjust all uses.
12208 (ISSUE_POINTS): New macro.
12209 (glat_start, glat_end): New global variables.
12210 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12211 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12212 old_last_basic_block, before_recovery, current_sched_info_var,
12213 rgn_n_insns, luid): New static variables.
12214 (insn_cost1): New function. Move logic from insn_cost to here.
12215 (find_insn_reg_weight1): New function. Move logic from
12216 find_insn_reg_weight to here.
12217 (reemit_notes, move_insn, max_issue): Change signature.
12218 (move_insn1): Removed.
12219 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12220 extend_bb): New static functions to support extension of scheduler's
12222 (generate_recovery_code, process_insn_depend_be_in_spec,
12223 begin_speculative_block, add_to_speculative_block,
12224 init_before_recovery, create_recovery_block, create_check_block_twin,
12225 fix_recovery_deps): New static functions to support
12226 generation of recovery code.
12227 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12228 restore_bb_notes, move_block_after_check, move_succs): New static
12229 functions to support ebb scheduling.
12230 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12231 functions to support handling of register live information.
12232 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12233 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12234 add_jump_dependencies): New static functions.
12235 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12236 consistancy checking.
12237 (debug_spec_status): New function to call from debugger.
12238 (priority): Added code to handle speculation checks.
12239 (rank_for_schedule): Added code to distinguish speculative instructions.
12240 (schedule_insn): Added code to handle speculation checks.
12241 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12242 Fixed to handle ebbs.
12243 (move_insn): Added code to handle ebb scheduling.
12244 (max_issue): Added code to use ISSUE_POINTS of instructions.
12245 (choose_ready): Added code to choose between speculative and
12246 non-speculative instructions.
12247 (schedule_block): Added code to handle ebb scheduling and scheduling of
12248 speculative instructions.
12249 (sched_init): Initialize new variables.
12250 (sched_finish): Free new variables. Print statistics.
12251 (try_ready): Added code to handle speculative instructions.
12252 * lists.c (copy_DEPS_LIST_list): New function.
12253 * sched-deps.c (extend_dependency_caches): New function. Move logic
12254 from create_dependency_caches to here.
12255 (get_dep_weak, ds_merge): Make global.
12256 * genattr.c (main): Code to output prototype for
12257 dfa_clear_single_insn_cache.
12258 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12259 (output_dfa_clean_insn_cache_func): Code to output
12260 dfa_clear_single_insn_cache function.
12261 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12263 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12265 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12266 New static variables.
12267 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12268 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12270 (ebb_sched_info): Initialize new fields.
12271 (get_block_head_tail): Adjust all uses.
12272 (compute_jump_reg_dependencies): Fixed to use glat_start.
12273 (schedule_ebb): Code to remove unreachable last block.
12274 (schedule_ebbs): Added code to update register live information.
12275 * sched-rgn.c (region_sched_info): Initialize new fields.
12276 (get_block_head_tail): Adjust all uses.
12277 (last_was_jump): Removed. Adjust users.
12278 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12279 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12280 Implement new hooks.
12281 (check_dead_notes1): New static function.
12282 (struct region): New fields: dont_calc_deps, has_real_ebb.
12283 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12284 (BB_TO_BLOCK): Fixed to handle EBBs.
12285 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12286 (ebb_head): New static variable.
12287 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12288 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12290 (compute_dom_prob_ps): New assertion.
12291 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12292 global_live_at_start.
12293 (init_ready_list): New assertions.
12294 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12295 (new_ready): Add support for BEGIN_CONTROL speculation.
12296 (schedule_insns): Fixed code that updates register live information
12298 (schedule_region): Fixed to handle EBBs.
12299 (init_regions): Use extend_regions and check_dead_notes1.
12300 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12301 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12302 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12303 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12304 TARGET_SCHED_GEN_CHECK,
12305 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12306 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12307 * doc/invoke.texi (max-sched-insn-conflict-delay,
12308 sched-spec-prob-cutoff): Document.
12310 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12312 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12313 inter_tick, queue_index.
12314 (struct sched_info): Change signature of init_ready_list field.
12315 Adjust all initializations.
12316 (RESOLVED_DEPS): New access macro.
12317 (ready_add): Remove prototype.
12318 (try_ready): Add prototype.
12319 * sched-rgn.c (init_ready_list): Use try_ready.
12320 (schedule_region): Initialize
12321 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12322 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12323 (init_ready_list): Use try_ready.
12324 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12325 * lists.c (remove_list_elem): Remove `static'.
12326 (remove_free_INSN_LIST_elem): New function.
12327 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12328 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12329 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12331 (readyp): New variable.
12332 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12333 change_queue_index, resolve_dep): New static functions.
12334 (try_ready): New function. Adjust callers in sched-rgn.c and
12335 sched-ebb.c to use it instead of ready_add.
12336 (clock_var): Move at the begining of file.
12337 (rank_for_schedule): Fix typo.
12338 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12339 (ready_lastpos): Enforce assertion.
12340 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12341 update all callers.
12342 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12343 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12344 (queue_to_ready): Use free_INSN_LIST_list.
12345 (early_queue_to_ready): Fix typo.
12346 (schedule_block): Init readyp. Move init_ready_list call after the
12347 initialization of clock_var. Fix error in rejecting insn by
12348 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12349 that previously corrected INSN_TICKs. Add code for handling
12351 (set_priorities): Fix typo.
12352 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12353 Clarify comment and code that keeps current_sched_info->next_tail
12356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12358 * sched-rgn.c (extend_rgns): New static function.
12359 (find_rgns): Use it.
12360 (gather_region_statistics, print_region_statistics): New static
12362 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12363 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12365 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12366 Andrey Belevantsev <abel@ispras.ru>
12368 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12369 * lists.c (unused_deps_list): New variable.
12370 (free_list): Add assertions to verify the proper distinguishing
12371 between INSN_LISTs and DEPS_LISTs.
12372 (find_list_elem, remove_list_elem, remove_list_node): New static
12374 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12375 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12376 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12377 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12379 (free_INSN_LIST_node): Likewise.
12380 * modulo-sched.c (current_sched_info): Initialize flags field.
12381 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12382 * rtl.def (DEPS_LIST): Define.
12383 * rtl.h: Declare new functions from lists.c.
12384 * sched-deps.c (spec_dependency_cache): New static variable.
12385 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12386 (add_dependence): Change return type to void. Move the logic to ...
12387 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12388 (delete_all_dependences): Add comment about forward_dependency_cache.
12389 Handle spec_dependency_cache. Handle DEPS_LISTs.
12390 (fixup_sched_groups): Clarify the change of priority of output
12391 and anti dependencies.
12392 (sched_analyze_2): Adjust add_dependence calls to create data
12393 speculative dependence.
12394 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12395 Adjust all callers. Handle DEPS_LISTS.
12396 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12397 presence of speculation.
12398 (init_dependency_caches, free_dependency_caches):
12399 Handle spec_dependency_cache.
12400 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12401 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12402 New static functions.
12403 (add_or_update_back_dep, add_or_update_back_forw_dep,
12404 add_back_forw_dep, delete_back_forw_dep): New functions.
12405 * sched-int.h (ds_t, dw_t): New typedefs.
12406 (struct sched_info): Add new field flags.
12407 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12408 Prototype new sched-deps.c functions.
12409 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12410 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12411 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12412 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12413 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12414 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12416 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12418 * sched-rgn.c (current_sched_info): Initialize flags field.
12419 (schedule_insns): Initialize current_sched_info before the sched_init
12421 * sched-ebb.c (current_sched_info): Initialize flags field.
12422 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12423 Call add_or_update_back_dep instead of add_dependence.
12424 Create control speculative dependencies.
12425 (schedule_insns): Initialize current_sched_info before the sched_init
12428 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12430 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12432 (sh_fallback_frame_state): Likewise.
12434 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12436 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12437 Do switch on default_use_cxa_atexit.
12438 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12439 * config/darwin-crt3.o: New.
12440 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12441 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12442 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12444 * config/rs6000/t-darwin: Move crt2.o building to here.
12445 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12446 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12449 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12451 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12452 from '! xxx' to '!xxx' for coding-style conformance.
12453 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12454 (EXTRA_CONSTRAINT): Likewise.
12455 * config/vax/vax.md (four unnamed insns): Likewise.
12457 2006-03-15 Paul Brook <paul@codesourcery.com>
12459 * config/arm/arm.c (minipool_pad): New.
12460 (add_minipool_forward_ref): Include pool alignment padding in address
12462 (push_minipool_fix): Set minipool_pad.
12463 (minipool_pad): Ditto.
12465 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12467 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12468 instead of GET_CODE() == MEM and REG_P() instead of
12470 (print_operand_address): Likewise.
12471 (vax_address_cost): Likewise.
12472 (vax_rtx_costs): Likewise.
12473 (vax_notice_update_cc): Likewise.
12474 (vax_output_int_add): Likewise.
12475 (INDEX_REGISTER_P): Likewise.
12476 (BASE_REGISTER_P): Likewise.
12477 (nonindexed_address_p): Likewise.
12478 (vax_mode_dependent_address_p): Likewise.
12479 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12480 (PRINT_OPERAND): Likewise.
12481 * config/vax/vax.md (ashlsi3): Likewise.
12482 (ashlsi3): Likewise.
12483 (some more unnamed insns): Likewise.
12485 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12487 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12488 iterator-style macro.
12489 (mark_control_dependent_edges_necessary): Update the use of
12490 EXECUTE_IF_CONTROL_DEPENDENT.
12492 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12494 * config/sh/predicates.md (cache_address_operand): Special.
12495 (ua_address_operand): Likewise.
12497 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12499 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12501 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12503 2006-03-15 Andreas Schwab <schwab@suse.de>
12505 * gensupport.c (identify_predicable_attribute): Don't free p_false
12506 when it is still in use.
12508 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12510 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12511 the default setting here.
12513 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12515 * tree-pass.h (pass_cfg): Remove.
12516 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12517 * passes.c (pass_cfg): Don't run it.
12519 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12521 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12522 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12524 (stack_regs_mentioned): Update the uses of
12525 stack_regs_mentioned_data. Don't access the array beyond its
12527 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12528 Don't include gt-reg-stack.h.
12530 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12531 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12533 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12535 PR middle-end/26684
12536 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12539 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12541 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12543 2006-03-14 Richard Guenther <rguenther@suse.de>
12545 PR tree-optimization/26672
12546 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12549 2006-03-14 Richard Guenther <rguenther@suse.de>
12551 PR tree-optimization/26667
12552 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12553 node for the callees. Always allow inlining if it will shrink
12556 2006-03-14 Richard Guenther <rguenther@suse.de>
12558 PR middle-end/26659
12559 * builtins.c (get_pointer_alignment): Prefer alignment
12560 information from decls over that from types.
12562 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12565 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12567 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12569 * config/rs6000/rs6000.opt (mdlmzb): New option.
12570 (msched-prolog, msched-epilog): Use Var not Mask.
12571 * doc/invoke.texi (-mdlmzb): Document.
12572 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12574 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12575 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12577 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12579 PR rtl-optimization/25739
12580 * bt-load.c (augment_live_range): Free tos pointer.
12582 * gensupport.c (identify_predicable_attribute): Free
12584 * gcov.c (create_file_names): Free name pointer.
12586 2006-03-13 Roger Sayle <roger@eyesopen.com>
12588 PR middle-end/26557
12589 * stmt.c (emit_case_nodes): Handle the case where the index is a
12590 CONST_INT, where the comparison mode is specified by the index type.
12592 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12594 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12597 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12599 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12600 (*branch_fp_inverted): Likewise.
12602 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12604 PR middle-end/25989
12605 * omp-low.c (expand_omp_for_generic): Mark istart0
12606 and iend0 as addressable.
12608 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12610 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12612 2006-03-13 Jeff Law <law@redhat.com>
12614 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12615 virtual operands are interesting.
12616 (vrp_visit_stmt): Corresponding changes.
12618 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12620 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12622 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12623 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12624 * config/bfin/crti.S: Use it instead of __PIC__.
12625 * config/bfin/crtn.S: Likewise.
12627 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12628 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12630 Lose 'G' modifier for call operand.
12631 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12632 recognize 'G' modifier.
12634 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12636 PR middle-end/18859
12637 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12638 * stmt.c (expand_case): Likewise.
12640 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12642 PR rtl-optimization/26254
12643 * loop-invariant.c (seq_insns_valid_p): New function.
12644 (move_invariant_reg): Only emit new code if it is valid.
12646 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12648 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12650 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12651 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12652 (commit_one_edge_insertion): Do not look for loop notes.
12654 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12656 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12657 flag_test_coverage out of loop.
12659 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12661 * final.c (shorten_branches): Remove outdated comment, and turn
12662 the if branch that guards it to continue.
12664 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12666 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12667 * cfgloop.h (struct loop): Remove unused fields.
12669 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12671 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12672 (-dL, -fdump-rtl-loop2): Update the dump file names
12674 * doc/invoke.texi: Update dump file names.
12676 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12678 * predict.c (estimate_probability): Remove.
12679 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12680 * basic-block.h (estimate_probability): Remove prototype.
12681 * passes.c (finish_optimization_passes): Dump branch prediction or
12682 profiling heuristics to the .profile tree dump.
12683 (init_optimization_passes): Unqueue pass_branch_prob.
12685 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12687 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12689 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12690 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12692 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12694 * function.h (frame_offset_overflow): Declare.
12695 * function.c (frame_offset_overflow): New function.
12696 (assign_stack_local_1): Call it to detect that the offset overflows.
12697 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12699 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12701 * config/sh/sh.c: Include alloc-pool.h.
12702 (label_ref_list_pool): New alloc pool.
12703 (label_ref_list_t): New type for lists of labels.
12704 (struct pool_node): Make wend a label_ref_list_t.
12705 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12707 (dump_table): Likewise.
12708 (sh_reorg): Set up the alloc pool before using add_constant and
12709 dump_table, and destroy it when finishing.
12711 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12713 * config/mips/mips.c: Remove redundant comment.
12715 2006-03-10 Jason Merrill <jason@redhat.com>
12718 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12719 the target was declared 'register'.
12721 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12723 * genpreds.c (write_insn_constraint_len): Change definition of
12724 insn_constraint_len to return size_t to match the declaration.
12726 2006-03-10 DJ Delorie <dj@redhat.com>
12728 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12730 (m32c_expand_insv): Fix test for an AND mask.
12732 2006-03-10 Richard Guenther <rguenther@suse.de>
12734 PR middle-end/26565
12735 * builtins.c (get_pointer_alignment): Handle component
12736 references for field alignment.
12738 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12740 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12741 when building with libgloss.
12742 (sh*elf): Implement --without-fp option.
12743 (sh64-superh-linux*): Don't multilib.
12745 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12747 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12749 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12751 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12752 Set it when one of the replacement functions returned true.
12753 Return TODO_cleanup_cfg if cfgchanged is true.
12754 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12756 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12758 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12759 instead of gen_lowpart.
12761 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12763 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12765 (mips_output_order_conditional_branch): Declare.
12766 * config/mips/mips.h (MIPS_BRANCH): New macro.
12767 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12768 for the comparison. Use gen_condjump.
12769 (mips_output_conditional_branch): Rework interface to take the
12770 asm templates for a direct branch and the inverse of a direct branch.
12771 (mips_output_order_conditional_branch): New function.
12772 (mips_builtin_branch_and_move): New function.
12773 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12774 branch condition. Use gen_single_cc as the condition for
12775 __builtin_mips_upper_* or __builtin_mips_lower_*.
12776 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12777 Use VOIDmode for the branch condition.
12778 * config/mips/predicates.md (order_operator): New predicate.
12779 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12780 (branch_fp): Rename to...
12781 (*branch_fp): ...this. Remove mode from comparison operator.
12782 Use new mips_output_conditional_branch interface.
12783 (branch_fp_inverted): Rename to...
12784 (*branch_fp_inverted): ...this and update as for *branch_fp.
12785 (*branch_zero<mode>): Rename to...
12786 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12787 Use mips_output_order_conditional_branch. Only accept ordered
12789 (*branch_zero<mode>_inverted): Rename to...
12790 (*branch_order<mode>_inverted): ...this and update as for
12791 *branch_order<mode>.
12792 (*branch_equality<mode>): Accept zero as the second operand to
12793 the equality operator. Use the new mips_output_conditional_branch
12795 (*branch_equality<mode>_inverted): Likewise.
12796 (condjump): New expander.
12797 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12799 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12800 (bc1any2t, bc1any2f): Likewise.
12801 (single_cc): New expander.
12802 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12804 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12806 * doc/md.texi: Update documentation of MIPS constraints.
12807 * config/mips/constraints.md: New file.
12808 * config/mips/mips.md: Include it.
12809 * config/mips/mips.c (mips_char_to_class): Delete.
12810 (override_options): Don't initialize mips_char_to_class.
12811 * config/mips/mips.h (mips_char_to_class): Delete.
12812 (REG_CLASS_FROM_LETTER): Delete.
12813 (CONST_OK_FOR_LETTER_P): Delete.
12814 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12815 (EXTRA_CONSTRAINT_Y): Delete.
12816 (EXTRA_CONSTRAINT_STR): Delete.
12817 (CONSTRAINT_LEN): Delete.
12818 (EXTRA_MEMORY_CONSTRAINT): Delete.
12820 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12822 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12823 original fn's eh regions.
12825 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12827 * fold-const.c (build_range_check): Make sure to use a valid type to
12828 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12831 (range_predecessor): New static function.
12832 (range_successor): Likewise.
12833 (merge_ranges): Use them to compute predecessors and successors of
12836 2006-03-09 Roger Sayle <roger@eyesopen.com>
12838 PR middle-end/26561
12839 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12840 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12842 2006-03-08 DJ Delorie <dj@redhat.com>
12844 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12845 (addpsi3): Expand to include memory operands. Remove
12846 reload-specific splits.
12847 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12848 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12849 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12850 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12851 (shift1_qi, shift1_hi, insv): New.
12852 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12853 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12854 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12856 * config/m32c/m32c-protos.h: Update as needed.
12857 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12858 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12859 Fail for unrecognized R* constraints.
12860 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12861 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12862 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12864 (m32c_init_libfuncs): New.
12865 (m32c_legitimate_address_p): Add debug wrapper.
12866 (m32c_rtx_costs): New.
12867 (m32c_address_cost): New.
12868 (conversions): Add 'B' prefix.
12869 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12870 operands, or word regnames for QI operands. 'B' prints bit
12872 (m32c_expand_setmemhi): New.
12873 (m32c_expand_movmemhi): New.
12874 (m32c_expand_movstr): New.
12875 (m32c_expand_cmpstr): New.
12876 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12877 (m32c_expand_neg_mulpsi3): Handle non-ints.
12878 (m32c_cmp_flg_0): New.
12879 (m32c_expand_movcc): New.
12880 (m32c_expand_insv): New.
12881 (m32c_scc_pattern): New.
12882 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12883 a0/a1 out of SIregs.
12884 (STORE_FLAG_VALUE): New.
12885 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12888 * config/m32c/mov.md: Make constraints more liberal.
12889 (zero_extendqihi2): Optimize r0/r1 case.
12890 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12891 * config/m32c/predicates.md (m32c_any_operand): New.
12892 (m32c_nonimmediate_operand): New.
12893 (m32c_hl_operand): New.
12894 (m32c_r3_operand): New.
12897 (memsym_operand): New.
12898 (memimmed_operand): New.
12899 (a_qi_operand): New.
12900 (m32c_eqne_operator): New.
12901 (m32c_1bit8_operand): New.
12902 (m32c_1bit16_operand): New.
12903 (m32c_1mask8_operand): New.
12904 (m32c_1mask16_operand): New.
12905 * config/m32c/blkmov.md: New file.
12906 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12908 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12910 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12911 unsigned to fix signed/unsigned comparison issue in
12912 DWARF2_FRAME_REG_OUT.
12913 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12914 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12916 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12917 of ptr into the ENABLE_CHECKING section.
12919 2006-03-08 Jeff Law <law@redhat.com>
12921 * tree-vrp.c (infer_value_range): Only count pointer uses
12922 and dereferences if -fdelete-null-pointer-checks is enabled.
12924 * tree-vrp.c (find_assert_locations): Infer value ranges for
12925 single use pointers, but do not create ASSERT_EXPRs for them.
12926 When a non-null range is inferred for a pointer, backwards
12927 propagate that range to other equivalent pointers through the
12930 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12933 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12934 language hook targets.
12935 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12936 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12937 if language hook targets were missing.
12939 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12941 * tree-ssa-opfinalize.h: Removed.
12942 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12944 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12945 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12946 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12947 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12948 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12949 finalize_ssa_v_must_def_ops): New.
12951 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12953 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12954 block as parameter.
12956 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12958 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12960 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12961 addresses with offsets; reorganize.
12963 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12964 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12965 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12967 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12970 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12972 2006-03-08 Ben Elliston <bje@au.ibm.com>
12974 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12976 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12979 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12982 2006-03-07 Richard Guenther <rguenther@suse.de>
12984 PR tree-optimization/26587
12985 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12987 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12989 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12991 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12993 * hooks.c (hook_bool_mode_rtx_true): New function.
12994 * hooks.h (hook_bool_mode_rtx_true): Declare.
12995 * toplev.c (compile_file): Call output_shared_constant_pool.
12996 * varasm.c (shared_constant_pool): New variable.
12997 (assemble_start_function, assemble_end_function): Remove arguments
12998 from call to output_constant_pool.
12999 (create_constant_pool): New function, split out from...
13000 (init_varasm_status): ...here.
13001 (force_const_mem): Choose between the shared and per-function constant
13002 pools. Set current_function_uses_const_pool when reusing old entries
13003 as well as when creating new ones.
13004 (mark_constant): Ignore data argument.
13005 (mark_constants): Remove pool argument.
13006 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13007 to decide whether the function uses a constant pool.
13008 (output_constant_pool_contents): New function, split out from...
13009 (output_constant_pool): ...here.
13010 (output_shared_constant_pool): New function.
13011 (init_varasm_once): Initialize shared_constant_pool.
13012 * output.h (output_constant_pool): Delete.
13013 (output_shared_constant_pool): Declare.
13014 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13015 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13017 2006-03-06 Nick Clifton <nickc@redhat.com>
13019 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13020 flag_strength_reduce.
13022 2006-03-06 Ben Elliston <bje@au.ibm.com>
13024 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13025 x86_64-*-linux* configurations.
13027 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13028 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13030 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13032 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13034 * basic-block.h: Remove the extern for
13035 rediscover_loops_after_threading.
13037 * cfgloop.c (cancel_loop): Make it static.
13038 * cfgloop.h: Remove the prototype for cancel_loop.
13040 * flow.c (recompute_reg_usage): Make it static.
13041 * rtl.h: Remove the prototype for recompute_reg_usage.
13043 * function.c (use_return_register): Make it static.
13044 * function.h: Remove the prototype.
13046 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13048 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13050 * recog.h: Remove the prototype for
13051 validate_change_maybe_volatile.
13053 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13055 * rtlanal.c (replace_reg): Remove.
13056 * rtl.h: Remove the prototype for replace_reg.
13058 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13060 * regclass.c (reg_scan_update): Remove.
13061 (reg_scan_mark_refs): Remove the last argument.
13062 * rtl.h: Remove the prototype for reg_scan_update.
13064 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13066 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13067 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13068 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13069 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13070 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13071 loop-invariant.c, omp-low.c, opts.c, passes.c,
13072 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13073 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13074 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13075 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13076 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13077 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13079 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13081 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13082 * dwarf2out.h: Remove the prototype for
13083 dwarf2out_add_library_unit_info.
13085 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13087 * tree.c (add_var_to_bind_expr): Remove.
13088 * tree.h: Remove the prototype for add_var_to_bind_expr.
13090 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13092 * regclass.c (n_non_fixed_regs): Remove.
13093 (init_reg_sets_1, globalize_reg): Remove all uses of
13095 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13097 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13099 * rtlanal.c (insns_safe_to_move_p): Remove.
13100 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13104 * expmed.c (expand_mult_add): Remove.
13105 * expr.h: Remove the prototype for expand_mult_add.
13107 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13109 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13110 and REG_SAVED_VAL_EXP constants.
13111 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13112 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13113 Handle regs stored by value.
13114 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13115 (execute_cfa_program): Handle DW_CFA_val_offset,
13116 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13117 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13118 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13119 (uw_install_context_1): Handle target regs stored by value.
13121 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13123 * tree-sra.c (tree_sra): Return todoflags;
13124 (generate_one_element): Set TODO_update_smt_usage if needed.
13125 (pass_sra): Remove TODO_update_smt_usage.
13126 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13128 (tree_ssa_forward_propagate_single_use_vars): Return
13129 TODO_update_smt_usage if we need to update SMT usage.
13130 (pass_forwprop): Remove TODO_update_smt_usage.
13132 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13134 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13135 (correct_use_link): Remove reference to get_stmt_operands.
13136 (update_stmt_operands): Likewise.
13137 (get_modify_expr_operands): New function factored out of
13138 parse_ssa_operands and get_expr_operands.
13139 Try to create V_MUST_DEFs for LHS by default.
13140 (get_expr_operands) <case MODIFY_EXPR>: Call
13141 get_modify_expr_operands.
13142 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13143 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13144 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13145 get_modify_expr_operands.
13147 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13149 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13150 * tree-flow.h: Remove the prototype for
13151 referenced_var_lookup_if_exists.
13153 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13155 PR rtl-optimization/26345
13157 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13159 2006-03-03 Roger Sayle <roger@eyesopen.com>
13161 PR tree-optimization/26524
13162 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13163 fold_convert to create a constant of the appropriate type.
13165 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13167 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13168 SYMBOL_REF_IN_BLOCK_P.
13169 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13170 of SYMBOL_FLAG_IN_BLOCK.
13171 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13172 instead of SYMBOL_REF_IN_BLOCK_P.
13173 * explow.c (use_anchored_address): Likewise.
13174 * rtl.c (rtx_size): Likewise.
13175 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13176 instead of SYMBOL_FLAG_IN_BLOCK.
13177 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13178 SYMBOL_REF_IN_BLOCK_P.
13179 (assemble_variable): Likewise.
13180 (output_constant_def_contents): Likewise.
13181 (output_constant_pool): Likewise.
13182 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13183 instead of SYMBOL_FLAG_IN_BLOCK.
13184 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13185 SYMBOL_REF_IN_BLOCK_P.
13186 (SYMBOL_REF_BLOCK): Likewise.
13187 (SYMBOL_REF_OFFSET): Likewise.
13188 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13189 SYMBOL_REF_IN_BLOCK_P.
13190 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13191 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13192 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13193 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13195 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13197 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13199 2006-03-02 Roger Sayle <roger@eyesopen.com>
13201 * simplify-rtx.c (simplify_unary_operation): When simplifying
13202 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13203 that we perform the right shift in the appropriate mode, and
13204 then extend or truncate the result to requested mode.
13206 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13208 * gengtype.c (main): Handle double_int type.
13209 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13210 * double-int.c: New file.
13211 * double-int.h: New file.
13212 * system.h: Include doubleint.h.
13213 * Makefile.in (SYSTEM_H): Include double-int.h.
13214 (double-int.o): Add.
13216 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13219 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13222 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13224 * tree-vrp.c (remove_range_assertions): Do not update statements
13227 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13229 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13231 * gcse.c (rest_of_handle_gcse): Ditto.
13232 * except.c (gate_handle_eh): Ditto.
13233 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13234 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13236 2006-03-02 Eric Christopher <echristo@apple.com>
13238 * config/i386/i386.c (machopic_output_stub): Add indirection to
13241 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13245 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13247 Sun Niagara specific optimizations.
13248 * config.gcc: Recognize niagara as target.
13249 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13250 (TARGET_CPU_niagara): Define.
13251 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13252 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13253 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13254 (ASM_CPU_SPEC): Likewise.
13255 (PROCESSOR_NIAGARA): New enum entry.
13256 (REGISTER_MOVE_COST): Handle Niagara.
13257 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13258 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13259 (sparc_override_options): Recognize "niagara", set appropriate
13260 default MASK_* values for it, and align functions to 32-bytes
13261 by default just like ULTRASPARC/ULTRASPARC3.
13262 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13263 (sparc64_initialize_trampoline): Likewise.
13264 (sparc_use_sched_lookahead): Use zero for niagara.
13265 (sparc_issue_rate): Use one for niagara.
13266 * config/sparc/niagara.md: New file.
13267 * config/sparc/sparc.md: Include it.
13268 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13269 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13270 when default cpu is niagara.
13271 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13272 (ASM_CPU_SPEC): Likewise.
13273 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13274 when default cpu is niagara.
13275 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13276 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13277 just like v9/ultrasparc/ultrasparc3.
13278 * doc/invoke.texi: Add documentation for "niagara" and improve
13279 existing documentation for ultrasparc variants.
13281 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13283 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13285 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13287 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13288 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13289 and say that only one is needed.
13290 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13291 * target.h (have_switchable_bss_sections): New hook.
13292 * explow.c (use_anchored_address): Check that the symbol is in a block.
13293 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13294 (bss_noswitch_section): New variables.
13295 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13296 (get_noswitch_section): New function.
13297 (get_block_for_section): Allow SECT to be null.
13298 (unlikely_text_section_p): Use SECTION_STYLE.
13299 (bss_initializer_p): New function.
13300 (get_variable_section): Move earlier in file. Take a new argument,
13301 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13302 Return one of the new *_sections in such cases.
13303 (get_block_for_decl): New function, extracting some logic from
13304 use_blocks_for_decl_p.
13305 (change_symbol_section): Remove in favor of...
13306 (change_symbol_block): ...this new function.
13307 (use_blocks_for_decl_p): Remove checks now performed by
13308 get_block_for_decl.
13309 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13310 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13311 (emit_local, emit_bss, emit_common): ...these new functions.
13312 Return true if the alignment was honored.
13313 (emit_tls_common): New function.
13314 (asm_emit_uninitialised): Delete.
13315 (assemble_variable_noswitch): New function, split out from...
13316 (assemble_variable): ...here. Don't make decisions about common
13317 variables here. Globalize all public decls that go into non-common
13318 sections. Check whether SYMBOL_REF_BLOCK is null.
13319 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13320 (output_constant_pool): Likewise.
13321 (init_varasm_once): Initialize the new section variables.
13322 (have_global_bss_p): New function.
13323 (categorize_decl_for_section): Use bss_initializer_p.
13324 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13325 (place_block_symbol): Assert that the symbol must be in a block.
13326 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13327 (TARGET_INITIALIZER): Include it.
13328 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13329 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13330 (SECTION_MACH_DEP): Bump by two.
13331 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13332 (unnamed_section): Mention SECTION_UNNAMED in comment.
13333 (named_section): Likewise SECTION_NAMED.
13334 (noswitch_section_callback): New type.
13335 (noswitch_section): New structure.
13336 (section): Add a noswitch_section alternative.
13337 (SECTION_STYLE): New macro.
13338 (tls_comm_section, comm_section, lcomm_section): Declare.
13339 (bss_noswitch_section, have_global_bss_p): Declare.
13340 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13341 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13343 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13344 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13347 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13349 * tree-vrp.c (execute_vrp): Return value.
13350 * regrename.c (rest_of_handle_regrename): Ditto.
13351 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13352 * tree-complex.c (tree_lower_complex): Ditto.
13353 (tree_lower_complex_O0): Ditto.
13354 * tracer.c (rest_of_handle_tracer): Ditto.
13355 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13356 * postreload.c (rest_of_handle_postreload): Ditto.
13357 * tree-tailcall.c (execute_tail_recursion): Ditto.
13358 (execute_tail_calls): Ditto.
13359 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13360 * tree.h (init_function_for_compilation): Ditto.
13361 * ipa-cp.c (ipcp_driver): Ditto.
13362 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13363 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13364 * final.c (compute_alignments): Ditto.
13365 (rest_of_handle_final): Ditto.
13366 (rest_of_handle_shorten_branches): Ditto.
13367 (rest_of_clean_state): Ditto.
13368 * omp-low.c (execute_expand_omp): Ditto.
13369 (execute_lower_omp): Ditto.
13370 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13371 * ipa-reference.c (static_execute): Ditto.
13372 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13373 * reorg.c (rest_of_handle_delay_slots): Ditto.
13374 (rest_of_handle_machine_reorg): Ditto.
13375 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13376 * flow.c (recompute_reg_usage): Ditto.
13377 (rest_of_handle_remove_death_notes): Ditto.
13378 (rest_of_handle_life): Ditto.
13379 (rest_of_handle_flow2): Ditto.
13380 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13381 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13382 (do_ssa_store_ccp): Ditto.
13383 (execute_fold_all_builtins): Ditto.
13384 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13385 * modulo-sched.c (rest_of_handle_sms): Ditto.
13386 * ipa-pure-const.c (static_execute): Ditto.
13387 * cse.c (rest_of_handle_cse): Ditto.
13388 (rest_of_handle_cse2): Ditto.
13389 * web.c (rest_of_handle_web): Ditto.
13390 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13391 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13392 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13393 * tree-nrv.c (tree_nrv): Ditto.
13394 (execute_return_slot_opt): Ditto.
13395 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13396 (create_structure_vars): Ditto.
13397 * loop-init.c (rtl_loop_init): Ditto.
13398 (rtl_loop_done): Ditto.
13399 (rtl_move_loop_invariants): Ditto.
13400 (rtl_unswitch): Ditto.
13401 (rtl_unroll_and_peel_loops): Ditto.
13402 (rtl_doloop): Ditto.
13403 * gimple-low.c (lower_function_body): Ditto.
13404 (mark_used_blocks): Ditto.
13405 * tree-ssa-sink.c (execute_sink_code): Ditto.
13406 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13407 (cgraph_early_inlining): Ditto.
13408 * global.c (rest_of_handle_global_alloc): Ditto.
13409 * jump.c (cleanup_barriers): Ditto.
13410 (purge_line_number_notes): Ditto.
13411 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13412 (rest_of_handle_if_after_reload): Ditto.
13413 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13414 (tree_ssa_loop_im): Ditto.
13415 (tree_ssa_loop_unswitch): Ditto.
13416 (tree_vectorize): Ditto.
13417 (tree_linear_transform): Ditto.
13418 (tree_ssa_loop_ivcanon): Ditto.
13419 (tree_ssa_empty_loop): Ditto.
13420 (tree_ssa_loop_bounds): Ditto.
13421 (tree_complete_unroll): Ditto.
13422 (tree_ssa_loop_prefetch): Ditto.
13423 (tree_ssa_loop_ivopts): Ditto.
13424 (tree_ssa_loop_done): Ditto.
13425 * predict.c (tree_estimate_probability): Ditto.
13426 * recog.c (split_all_insns_noflow): Ditto.
13427 (rest_of_handle_peephole2): Ditto.
13428 (rest_of_handle_split_all_insns): Ditto.
13429 * tree-eh.c (lower_eh_constructs): Ditto.
13430 * regmove.c (rest_of_handle_regmove): Ditto.
13431 (rest_of_handle_stack_adjustments): Ditto.
13432 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13433 * function.c (instantiate_virtual_regs): Ditto.
13434 (init_function_for_compilation): Ditto.
13435 (rest_of_handle_check_leaf_regs): Ditto.
13436 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13437 (rest_of_handle_gcse): Ditto.
13438 * ipa-type-escape.c (type_escape_execute): Ditto.
13439 * alias.c (rest_of_handle_cfg): Ditto.
13440 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13441 * profile.c (rest_of_handle_branch_prob): Ditto.
13442 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13443 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13444 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13445 * tree-dfa.c (find_referenced_vars): Ditto.
13446 * except.c (set_nothrow_function_flags): Ditto.
13447 (convert_to_eh_region_ranges): Ditto.
13448 (rest_of_handle_eh): Ditto.
13449 * emit-rtl.c (unshare_all_rtl): Ditto.
13450 (remove_unnecessary_notes): Ditto.
13451 * except.h (set_nothrow_function_flags): Ditto.
13452 (convert_to_eh_region_ranges): Ditto.
13453 * cfgexpand.c (tree_expand_cfg): Ditto.
13454 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13455 * tree-ssa-pre.c (do_pre): Ditto.
13456 (execute_fre): Ditto.
13457 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13458 (rest_of_handle_jump2): Ditto.
13459 * tree-sra.c (tree_sra): Ditto.
13460 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13461 (execute_mudflap_function_decls): Ditto.
13462 * tree-ssa-copy.c (do_copy_prop): Ditto.
13463 (do_store_copy_prop): Ditto.
13464 * ipa-prop.h (ipcp_driver): Ditto.
13465 * cfglayout.c (insn_locators_initialize): Ditto.
13466 * tree-ssa-forwprop.c
13467 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13468 * cfglayout.h (insn_locators_initialize): Ditto.
13469 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13470 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13471 (execute_late_warn_uninitialized): Ditto.
13472 * rtl.h (cleanup_barriers): Ditto.
13473 (split_all_insns_noflow): Ditto.
13474 (purge_line_number_notes): Ditto.
13475 (unshare_all_rtl): Ditto.
13476 (remove_unnecessary_notes): Ditto.
13477 (recompute_reg_usage): Ditto.
13478 (variable_tracking_main): Ditto.
13479 * integrate.c (emit_initial_value_sets): Ditto.
13480 * integrate.h (emit_initial_value_sets): Ditto.
13481 * tree-optimize.c (execute_free_datastructures): Ditto
13482 (execute_free_cfg_annotations): Ditto.
13483 (execute_fixup_cfg): Ditto.
13484 (execute_cleanup_cfg_pre_ipa): Ditto.
13485 (execute_cleanup_cfg_post_optimizing): Ditto.
13486 (execute_init_datastructures): Ditto.
13487 * tree-object-size.c (compute_object_sizes): Ditto.
13488 * combine.c (rest_of_handle_combine): Ditto.
13489 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13490 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13491 (rest_of_handle_reorder_blocks): Ditto.
13492 (rest_of_handle_partition_blocks): Ditto.
13493 * var-tracking.c (variable_tracking_main): Ditto.
13494 * tree-profile.c (tree_profiling): Ditto.
13495 * tree-vect-generic.c (expand_vector_operations): Ditto.
13496 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13497 * sched-rgn.c (rest_of_handle_sched): Ditto.
13498 (rest_of_handle_sched2): Ditto.
13499 * basic-block.h (free_bb_insn): Ditto.
13500 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13501 * tree-cfg.c (execute_build_cfg): Ditto.
13502 (remove_useless_stmts): Ditto.
13503 (split_critical_edges): Ditto.
13504 (execute_warn_function_return): Ditto.
13505 (execute_warn_function_noreturn): Ditto.
13506 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13507 * cfgrtl.c (free_bb_for_insn): Ditto.
13508 * passes.c (execute_one_pass): Run additional
13509 todos returned by execute function.
13510 * tree-pass.h (struct tree_opt_pass): Make execute
13513 2006-03-02 Richard Guenther <rguenther@suse.de>
13515 * tree-ssa-alias.c (find_used_portions): Consider taking
13516 the address as making the variable not write-only.
13518 2006-03-02 Nick Clifton <nickc@redhat.com>
13520 * config.gcc (default_use_cxa_atexit): Extend the description of
13521 this configure variable. Set its default value to "yes" for
13522 Linux, NetBSD and ELF targets on the assumption that they will
13523 use C libraries with the __cxa_atexit function.
13525 2006-03-02 Ben Elliston <bje@au.ibm.com>
13527 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13528 parameter as unused to suppress a build warning.
13530 2006-03-02 Ben Elliston <bje@au.ibm.com>
13532 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13535 2006-03-01 Roger Sayle <roger@eyesopen.com>
13538 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13539 declared name, the weak reference name, and the typeof name.
13540 (__gthrw): Avoid expanding the declared name suffix.
13541 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13543 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13545 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13547 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13548 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13549 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13550 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13551 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13552 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13553 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13554 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13555 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13556 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13557 (DW_END_default, DW_END_big, DW_END_little): New.
13558 (DW_END_lo_user, DW_END_hi_user): Define.
13559 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13560 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13561 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13564 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13566 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13568 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13570 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13572 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13574 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13575 to 'symbol_mem_tag'.
13577 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13580 2006-03-01 Roger Sayle <roger@eyesopen.com>
13582 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13584 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13587 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13588 MACHO_DYNAMIC_NO_PIC_P.
13589 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13591 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13594 * config/darwin-protos.h (darwin_asm_output_anchor):
13596 * config/darwin-sections.def (cstring_section):
13597 Add SECTION_MERGE to the flags.
13598 (literal4_section): Likewise.
13599 (literal8_section): Likewise.
13600 (objc_selector_refs_section): Likewise.
13601 (objc_cls_refs_section): Likewise.
13602 * config/darwin.c (darwin_asm_output_anchor): New
13604 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13606 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13608 Fix PR tree-optimization/26443
13609 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13610 to todo and PROP_tmt_usage to properties_destroyed.
13611 * tree-ssa-ccp.c (pass_ccp): Ditto.
13612 (pass_store_ccp): Ditto.
13613 * tree-ssa-dom.c (pass_dominator): Ditto.
13615 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13617 * tree-ssa-operands.c: Cleanup whitespace.
13618 (get_asm_expr_operands): Move before first invocation.
13619 (get_indirect_ref_operands): Likewise.
13620 (get_tmr_operands): Likewise.
13621 (get_call_expr_operands): Likewise.
13622 (append_def): Likewise.
13623 (append_use): Likewise.
13624 (append_v_may_def): Likewise.
13625 (append_v_must_def): Likewise.
13626 (add_call_clobber_ops): Likewise.
13627 (add_call_read_ops): Likewise.
13628 (add_stmt_operand): Likewise.
13629 (add_virtual_operand): Likewise.
13630 (build_ssa_operands): Likewise.
13632 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13634 PR middle-end/26022
13636 PR middle-end/24437
13637 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13638 with a call expr to ...
13639 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13641 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13643 * tree-vrp.c (extract_range_from_assert): Remove special
13644 handling for types with super-types.
13646 2006-03-01 Ben Elliston <bje@au.ibm.com>
13648 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13649 and powerpc64-*-linux* configurations.
13650 * config/t-dfprules: New file.
13652 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13653 Compile dfp-bit.c from the source directory using -DWIDTH and
13654 $DFP_CFLAGS to control the compilation of that file, rather than
13655 generating width-specific versions in the build directory.
13656 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13657 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13659 2006-02-28 Zack Weinberg <zackw@panix.com>
13661 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13664 2006-02-28 Eric Christopher <echristo@apple.com>
13666 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13667 Set up IN_LIBGCC definition of TARGET_64BIT.
13668 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13670 2006-02-28 Roger Sayle <roger@eyesopen.com>
13672 PR middle-end/14752
13673 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13674 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13675 cases via the construction of "expr != 0".
13677 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13679 * alias.c (alias_invariant, alias_invariant_size): Remove.
13680 (record_base_value): Remove.
13681 (memrefs_conflict_p): Don't look at alias_invariant.
13682 (end_alias_analysis): Don't free it.
13683 * alias.h (record_base_value): Remove prototype.
13685 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13686 Adam Nemet <anemet@caviumnetworks.com>
13688 * rtl.h (truncated_to_mode): Declare it.
13689 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13690 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13691 (RTL_HOOKS_INITIALIZER): Include it.
13692 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13693 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13694 reg_truncated_to_mode.
13695 * rtlanal.c (truncated_to_mode): Define it.
13696 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13698 2006-02-28 Jeff Law <law@redhat.com>
13700 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13701 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13702 the range allowed by TYPE_PRECISION.
13704 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13706 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13708 PR tree-optimization/26419
13709 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13712 2006-02-27 Zack Weinberg <zackw@panix.com>
13714 * doc/md.texi: Fix typo in previous change.
13716 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13720 2006-02-27 Zack Weinberg <zackw@panix.com>
13722 * rtl.def (define_constraint, define_register_constraint)
13723 (define_memory_constraint, define_address_constraint): New MD forms.
13724 * gensupport.c (process_rtx): Put define_constraint etc on the
13726 * genpreds.c (process_define_predicate): Adjust comment. Validate
13727 the name, and call validate_exp to validate the expression.
13728 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13729 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13730 all callers changed.
13731 (validate_exp, needs_variable, struct constraint_data)
13732 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13733 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13734 (const_dbl_constraints, constraint_max_namelen)
13735 (have_register_constraints, have_memory_constraints)
13736 (have_address_constraints, have_address_constraints)
13737 (have_extra_constraints, have_const_int_constraints)
13738 (have_const_dbl_constraints, mangle, add_constraint)
13739 (process_define_constraint, process_define_register_constraint)
13740 (write_enum_constraint_num, write_lookup_constraint)
13741 (write_insn_constraint_len, write_regclass_for_constraint)
13742 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13743 (write_insn_extra_memory_constraint)
13744 (write_insn_extra_address_constraint)
13745 (write_satisfies_constraint_fns): New.
13746 (write_tm_preds_h): If we have new-style constraint definitions,
13747 prototype the functions generated from them, and define the
13748 old constraint interface (still used by generic code) in terms of
13750 (write_insn_preds_c): If we have new-style constraint definitions,
13751 generate all relevant functions from those definitions.
13752 (main): Handle define_constraint etc.
13753 * genoutput.c (struct constraint_data, indep_constraints)
13754 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13755 (mdep_constraint_len): New data structures and functions, defined
13756 #ifdef USE_MD_CONSTRAINTS.
13757 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13758 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13759 use new logic to validate operand constraints against constraint
13761 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13763 * defaults.h: If none of the old-style constraint macros are
13764 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13765 old-style macros; and poison REG_CLASS_FROM_LETTER,
13766 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13768 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13769 * doc/md.texi: Document new constraint-definition mechanism and the
13770 C interface it provides. Remove references to old mechanism
13771 elsewhere in the document.
13772 (Machine Constraints): Use pathnames relative to gcc directory,
13773 i.e. config/ARCH/FILE. Change i386 section to refer to
13774 config/i386/predicates.md; update that section to match docstrings.
13775 * doc/tm.texi: Move all documentation of the old constraint-
13776 definition macros to their own section, clearly mark as obsolete.
13778 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13779 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13781 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13782 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13783 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13784 constraint strings.
13785 (splits and peepholes): Use satisfies_constraint_*.
13786 * config/i386/i386.c (memory_address_length)
13787 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13789 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13791 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13792 scalar operation to be put back into the loop.
13794 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13797 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13798 (extract_cie_info): Handle S flag in augmentation string.
13799 (execute_cfa_program): If context->signal_frame, execute also
13800 fs->pc == context->ra instructions.
13801 (uw_frame_state_for): If context->signal_frame, don't subtract one
13802 from context->ra to find FDE.
13803 (uw_update_context_1): Set context->signal_frame to
13805 (_Unwind_GetIPInfo): New function.
13806 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13807 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13809 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13810 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13811 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13812 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13813 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13814 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13815 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13816 x86_64_fallback_frame_state): Set fs->signal_frame.
13817 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13818 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13819 (frob_update_context): Likewise. Workaround missing S flag in
13820 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13821 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13822 Remove the psw_addr + 1 hack.
13824 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13826 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13827 with aggregates here.
13828 (find_func_aliases): Remove code for &<aggregate> from here.
13830 2006-02-26 Roger Sayle <roger@eyesopen.com>
13832 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13833 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13834 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13835 as (X & C) ne/eq 0.
13837 2006-02-26 Roger Sayle <roger@eyesopen.com>
13839 PR middle-end/19983
13840 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13842 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13844 * opts.c (decode_options): Do not handle flag_strength_reduce.
13845 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13846 and OPT_fstrength_reduce.
13847 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13848 flag_prefetch_loop_arrays for being nonzero.
13849 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13851 (fprefetch-loop-arrays-rtl): Removed.
13852 (flag_prefetch_loop_arrays): Do not specify the value.
13854 * doc/passes.texi: Update documentation of loop optimizer
13856 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13857 -frerun-loop-opt): Remove.
13859 2006-02-26 Richard Guenther <rguenther@suse.de>
13861 PR tree-optimization/26421
13862 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13863 in function calls that are ADDR_EXPRs as using the whole structure.
13865 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13867 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13868 * tree-pass.h (pass_loop_optimize): Remove.
13869 * passes.c (pass_loop_optimize): Never run it.
13870 * toplev.c (backend_init): Don't call init_loop.
13871 * opts.c (flag_loop_optimize_set): Remove.
13872 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13873 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13874 the old RTL loop optimizer when profiling enabled.
13875 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13876 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13877 pre-headers for the sake of the old RTL loop optimizer.
13878 * Makefile.in: Remove all references to loop.o.
13880 * doc/invoke.texi: Remove all references to -floop-optimize
13881 and -frerun-loop-opt.
13883 2006-02-26 Zack Weinberg <zackw@panix.com>
13885 * doc/md.texi (Machine Constraints): Refer to all files with paths
13886 relative to gcc directory (i.e. config/CPU/file). Add missing
13887 @table @code ... @end table to M32C subsection.
13889 2006-02-26 Roger Sayle <roger@eyesopen.com>
13891 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13893 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13895 2006-02-26 Roger Sayle <roger@eyesopen.com>
13896 James A. Morrison <phython@gcc.gnu.org>
13898 PR middle-end/21137
13899 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13900 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13901 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13902 signedness of the shift operation.
13904 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13906 PR tree-optimization/26359
13907 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13909 2006-02-25 Roger Sayle <roger@eyesopen.com>
13911 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13912 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13913 as X == 0, and some symmetry related transformations.
13914 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13916 2006-02-25 Roger Sayle <roger@eyesopen.com>
13918 PR middle-end/23673
13919 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13920 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13921 symmetry related transformations. Fold (X^C1) == C2 as
13924 2006-02-25 Juergen Weigert <jw@suse.de>
13925 Richard Guenther <rguenther@suse.de>
13927 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13929 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13931 * combine.c (gen_lowpart_or_truncate): Call
13932 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13934 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13936 * doc/invoke.texi: Move -fopenmp description to "Options for
13938 Remove reference to -lgomp.
13940 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13942 * doc/install.texi: Require GNU tar version 1.14.
13944 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13946 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13947 * doc/invoke.texi (C++ Dialect Options): Document
13948 -fno-use-cxa-get-exception-ptr.
13949 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13950 * configure: Regenerate.
13951 * c.opt (fuse-cxa-get-exception-ptr): New.
13952 * c-opts.c (c_common_handle_option): Handle
13953 OPT_fuse_cxa_get_exception_ptr.
13954 * c-common.c (flag_use_cxa_atexit): Update documentation.
13955 (flag_use_cxa_get_exception_ptr): New.
13956 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13957 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13959 (C_COMMON_OVERRIDE_OPTIONS): New.
13961 2006-02-24 Roger Sayle <roger@eyesopen.com>
13963 PR middle-end/24952
13964 * combine.c (try_combine): Explicitly check whether GET_CODE is
13965 a SET or a CLOBBER, instead on checking that it isn't a USE.
13967 2006-02-24 Roger Sayle <roger@eyesopen.com>
13969 * fold-const.c (fold_comparison): New subroutine of fold_binary
13970 containing transformations common to both the equality and
13971 ordering relational operators, factored out of fold_binary.
13972 (fold_binary): Separate out the equality operators (EQ_EXPR
13973 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13974 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13975 transformations common to both.
13976 (fold_div_compare): Fix latent bugs in the previously unreachable
13977 LT_EXPR and GE_EXPR cases.
13979 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13981 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13982 decl libname for clog to __clog on AIX.
13984 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13986 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13989 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13990 output traceback table for thunks. Localise rs6000_stack_info call.
13992 2006-02-23 Roger Sayle <roger@eyesopen.com>
13993 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13995 * gthr-posix.h (__gthrw): Fix typo in comment.
13997 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13999 * doc/cpp.texi (Character sets): Document that we do support
14000 input files to be in any character set.
14002 2006-02-23 Jeff Law <law@redhat.com>
14004 * tree.h (PHI_ARG_NONZERO): Remove.
14005 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14006 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14007 node to the new node.
14009 PR tree-optimization/26425
14010 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14011 min/max, then assume its varying.
14013 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14015 PR rtl-optimization/26316
14016 * rtlanal.c (enum may_trap_p_flags): New.
14017 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14018 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14019 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14020 (may_trap_after_code_motion_p): New function.
14021 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14022 (find_invariant_insn): Use may_trap_after_code_motion_p.
14023 * rtl.h (may_trap_after_code_motion_p): Declare.
14025 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14027 * emit-rtl.c (immed_double_const): Cleanup.
14029 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14031 Fix PR tree-optimization/26376
14032 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14035 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14037 PR middle-end/26412
14038 * gimplify.c (omp_add_variable): Guard variable size decl test with
14039 DECL_SIZE (decl) check.
14041 2006-02-23 Richard Guenther <rguenther@suse.de>
14043 PR middle-end/26439
14044 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14045 like aggregate types.
14047 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14049 * configure.ac: Add --with{,out}-long-double-128 configure option.
14050 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14051 * configure: Rebuilt.
14052 * config.in: Rebuilt.
14053 * doc/install.texi (Options specification): Document
14054 --with-long-double-128.
14056 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14057 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14058 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14059 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14061 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14063 * config/s390/s390.c (override_options): Handle
14064 TARGET_DEFAULT_LONG_DOUBLE_128.
14066 * config/alpha/alpha.c (override_options): Handle
14067 TARGET_DEFAULT_LONG_DOUBLE_128.
14069 * config/sparc/sparc.c (sparc_override_options): Handle
14070 TARGET_DEFAULT_LONG_DOUBLE_128.
14072 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14074 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14075 (real-install-headers-tar, real-install-headers-cpio)
14076 (real-install-headers-cp): New targets.
14078 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14080 * tree.h (variable_section): Delete.
14081 * varasm.c (variable_section): Delete.
14083 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14085 * install.texi: Add notes on install.texi2html.
14086 (Building in parallel): Do not use footnotes.
14088 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14091 * doc/install.texi (Configuration): Document --disable-libgomp.
14093 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14095 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14097 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14099 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14100 (vec_extractv2df_0_sse): New.
14102 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14104 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14105 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14106 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14107 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14108 to the result of the expression.
14109 (def_cfa_1): Adjust.
14110 (frame_pointer_cfa_offset): Rename to...
14111 (frame_pointer_fb_offset): ... this. Adjust all uses.
14112 (convert_cfa_to_loc_list): Rename to...
14113 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14114 Pass it on to build_cfa_loc.
14115 (compute_frame_pointer_to_cfa_displacement): Rename to...
14116 (compute_frame_pointer_to_fb_displacement): ... this. New
14117 offset parameter. Use it in computation.
14118 (gen_subprogram_die): Compute cfa_fb_offset with the new
14119 macro, and use it to compute the fb loc list and the
14122 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14124 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14125 replaced with register_operand.
14126 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14127 non-DREG is expensive.
14128 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14129 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14132 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14134 * doc/install.texi2html: Use set -e.
14136 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14138 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14139 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14140 * doc/invoke.texi (-fshared-data): Delete.
14141 * common.opt (fshared-data): Delete.
14142 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14143 (assemble_static_space): Remove #if 0 code.
14144 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14145 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14146 * config/cris/cris.h: Remove FIXME.
14148 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14150 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14153 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14155 PR middle-end/26379
14156 * combine.c (simplify_shift_const_1): Disable nested shifts
14157 optimization for vector shifts.
14159 2006-02-20 Roger Sayle <roger@eyesopen.com>
14161 PR tree-optimization/26361
14162 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14163 of unsigned integer types.
14165 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14167 * tree-chrec.c (eq_evolutions_p): New.
14168 * tree-chrec.h (eq_evolutions_p): Declared.
14169 * tree-data-ref.c: Fix formatting.
14170 (datadep_stats, dependence_stats): New.
14172 (print_direction_vector): New.
14173 (dump_data_dependence_relation): Use print_direction_vector.
14174 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14175 (compute_subscript_distance): Static.
14176 (initialize_data_dependence_relation): Static. Get the number
14177 of loops surrounding the references from the callers, and initialize
14178 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14179 base_object_differ_p analyzers.
14180 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14181 compute_overlap_steps_for_affine_1_2,
14182 analyze_subscript_affine_affine): Count the classified dependences.
14183 Print a message when a test failed.
14184 (can_use_analyze_subscript_affine_affine): New.
14185 (analyze_siv_subscript): Compute the data dependences on symbolic
14186 scevs that verify can_use_analyze_subscript_affine_affine.
14187 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14188 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14189 Handle symbolic scevs.
14190 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14192 (subscript_dependence_tester): Moved...
14193 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14194 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14195 DDR_SIZE_VECT instead of getting it in parameter.
14196 (subscript_dependence_tester): ... here. Take as a parameter
14197 loop_nest_depth. Call build_classic_dist_vector and
14198 build_classic_dir_vector.
14199 (compute_affine_dependence): Update subscript_dependence_tester
14200 parameters. Update datadep_stats counters. Call
14201 compute_subscript_distance.
14202 (compute_self_dependence): Save the dist and dir vectors. Call
14203 compute_subscript_distance.
14204 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14205 (compute_all_dependences): Reorder parameters as they were before
14206 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14207 compute_subscript_distance. Update the use of
14208 compute_affine_dependence and initialize_data_dependence_relation.
14209 (find_data_references_in_loop): Handle COMPONENT_REF.
14210 (compute_data_dependences_for_loop): Initialize dependence_stats.
14211 Don't call build_classic_dist_vector and build_classic_dir_vector.
14212 Update the parameters of initialize_data_dependence_relation and
14213 compute_all_dependences. Print the statistics from datadep_stats.
14214 (analyze_all_data_dependences): Static. Not used until the pass for
14215 checking the data dependences is contributed.
14216 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14217 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14218 (initialize_data_dependence_relation, compute_affine_dependence,
14219 analyze_all_data_dependences, compute_subscript_distance): Removed.
14220 (print_direction_vector): New.
14221 * lambda.h (gcd): ... here.
14222 (lambda_vector_gcd): Moved here from gcd_vector.
14223 * lambda-code.c (gcd, gcd_vector): Removed.
14224 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14225 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14227 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14229 * ipa-type-escape.c: Tidy some comments and white space.
14230 * tree-ssa-operands.c: Likewise.
14232 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14235 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14236 (dump_decl_name): Do not walk the decl tree chains.
14237 * tree-pass.h (TDF_CHAIN): Remove.
14239 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14241 * Makefile.in (C): Remove
14243 (.PHONY): Remove C and PROTO
14245 2006-02-20 Roger Sayle <roger@eyesopen.com>
14247 PR middle-end/26236
14248 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14249 deprecated CHAR_TYPE tree code.
14251 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14253 * configure.ac (target_list): Add install-info, dvi, html.
14254 * configure: Regenerate.
14256 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14257 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14258 treelang/Make-lang.in: Do not use double-colon rules.
14260 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14262 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14263 (TMT_USED_ALONE): New macro.
14264 * tree-pass.h (PROP_tmt_usage): New property.
14265 (TODO_update_tmt_usage): New todo.
14266 * tree-ssa-alias.c (updating_used_alone): New variable.
14267 (recalculate_used_alone): New function.
14268 (compute_may_aliases): Set updating_used_alone, call
14269 recalculate_used_alone.
14270 * tree-sra.c (pass_sra): Note that this pass destroys
14271 PROP_tmt_usage, and add TODO_update_tmt_usage.
14272 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14273 * tree-flow.h (updating_used_alone): Prototype.
14274 (recalculate_used_alone): Ditto.
14275 * passes.c (execute_todo): Add code to set updating_used_alone,
14276 and call recalculate.
14277 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14278 for clobber if used alone, and add assert to verify used_alone
14281 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14283 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14284 for non tls symbols added.
14285 (legitimize_address): Do nothing for PLUS expressions if one of the
14286 addends is a tls symbol reference.
14288 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14292 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14294 * Makefile.in (BOOTSTRAPPING): New.
14295 (quickstrap): New definition if BOOTSTRAPPING=yes.
14297 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14298 * configure.ac: Substitute all_selected_languages with the languages
14299 that were configured. For all the other variables except
14300 lang_specs_files, include all the languages in the tree.
14301 * configure: Regenerate.
14303 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14304 if there is one. Run the commands to run fixincludes in the same
14307 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14308 * doc/install.texi: Document exact conventions for searching target tools.
14309 Document --with-build-time-tools. Document toplevel bootstrap. Document
14310 something more about building an Ada cross-compiler. Don't list GNU Make
14311 requirements which affect all platforms.
14313 2006-02-19 Roger Sayle <roger@eyesopen.com>
14315 PR middle-end/19543
14316 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14317 only equivalent if the have both the same mode and precision.
14319 2006-02-20 Ben Elliston <bje@au.ibm.com>
14321 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14323 2006-02-19 Roger Sayle <roger@eyesopen.com>
14324 Steven Bosscher <stevenb.gcc@gmail.com>
14326 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14327 constant pool references to identify stack mode constants.
14328 * rtlanal.c (constant_pool_constant_p): New predicate to check
14329 whether operand is a floating point constant in the pool.
14330 * rtl.h (constant_pool_constant_p): Prototype here.
14331 * loop.c (scan_loop): Avoid hoisting constants from the constant
14332 pool on STACK_REGS targets.
14333 (load_mems): Likewise.
14334 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14335 loads into x87 registers expensive in terms of register pressure.
14337 2006-02-19 Roger Sayle <roger@eyesopen.com>
14339 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14340 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14342 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14344 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14345 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14347 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14349 * doc/invoke.texi: Document -fipa-pta.
14350 * common.opt: Add ipa-pta option.
14351 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14352 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14353 (do_ds_constraint): Ditto.
14354 (get_constraint_for): Only add to referenced_vars if
14355 referenced_vars exists.
14356 (insert_into_field_list): Rewrite to do this unsorted.
14357 (insert_into_field_list_sorted): Rename old insert_into_field_list
14359 (create_function_info_for): Use insert_into_field_list_sorted.
14360 (create_variable_info_for): Rewrite so it uses unsorted version,
14361 since the field list is sorted.
14362 (intra_create_variable_infos): Only add to referenced_vars if
14363 referenced_vars exists.
14364 (ipa_pta_execute): Init heapvars, and delete when done.
14365 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14367 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14369 * doc/install.texi: Add missing `@samp'.
14371 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14373 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14376 2006-02-18 Mark Wielaard <mark@klomp.org>
14378 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14379 who added new 4.1 features, bug fixes and integration support.
14381 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14384 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14385 MEM for ABI_V4 pic.
14387 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14389 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14390 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14391 (copy_insn_1): Likewise. Don't copy each field individually.
14393 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14395 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14396 * rtl.c (rtx_size): Rename variable to...
14397 (rtx_code_size): ...this.
14398 (rtx_size): New function.
14399 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14400 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14402 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14403 * rtl.h (rtx_code_size): New variable.
14404 (rtx_size): Change from a variable to a function.
14405 (RTX_SIZE): Rename to...
14406 (RTX_CODE_SIZE): ...this.
14409 PR tree-optimization/17106
14410 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14411 (Anchored Addresses): New section.
14412 * doc/invoke.texi (-fsection-anchors): Document.
14413 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14414 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14415 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14416 * hooks.c (hook_bool_mode_rtx_false): New function.
14417 * hooks.h (hook_bool_mode_rtx_false): Declare.
14418 * gengtype.c (create_optional_field): New function.
14419 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14420 SYMBOL_REF_IN_BLOCK_P is true.
14421 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14422 (min_anchor_offset, max_anchor_offset): Likewise.
14423 (use_anchors_for_symbol_p): New hook.
14424 * toplev.c (compile_file): Call output_object_blocks.
14425 (target_supports_section_anchors_p): New function.
14426 (process_options): Check that -fsection-anchors is only used on
14427 targets that support it and when -funit-at-a-time is in effect.
14428 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14429 if the decl doesn't have one.
14430 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14431 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14432 of force_const_mem through use_anchored_address.
14433 (expand_expr_constant): New function.
14434 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14435 calling expand_expr for INDIRECT_REF.
14436 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14437 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14438 * expr.h (use_anchored_address): Declare.
14439 * loop-unroll.c: Don't declare rtx vectors here.
14440 * explow.c: Include output.h.
14441 (validize_mem): Call use_anchored_address.
14442 (use_anchored_address): New function.
14443 * common.opt (-fsection-anchors): New switch.
14444 * varasm.c (object_block_htab, anchor_labelno): New variables.
14445 (hash_section, object_block_entry_eq, object_block_entry_hash)
14446 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14447 (use_blocks_for_decl_p, change_symbol_section): New functions.
14448 (get_variable_section): New function, split out from assemble_variable.
14449 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14450 use_blocks_for_decl_p say so. Use change_symbol_section if the
14451 symbol has already been created.
14452 (assemble_variable_contents): New function, split out from...
14453 (assemble_variable): ...here. Don't output any code for
14454 block symbols; just pass them to place_block_symbol.
14455 Use get_variable_section and assemble_variable_contents.
14456 (get_constant_alignment, get_constant_section, get_constant_size): New
14457 functions, split from output_constant_def_contents.
14458 (build_constant_desc): Create a block symbol if use_object_blocks_p
14459 says so. Or into SYMBOL_REF_FLAGS.
14460 (assemble_constant_contents): New function, split from...
14461 (output_constant_def_contents): ...here. Don't output any code
14462 for block symbols; just pass them to place_section_symbol.
14463 Use get_constant_section and get_constant_alignment.
14464 (force_const_mem): Create a block symbol if use_object_blocks_p and
14465 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14466 (output_constant_pool_1): Add an explicit alignment argument.
14467 Don't switch sections here.
14468 (output_constant_pool): Adjust call to output_constant_pool_1.
14469 Switch sections here instead. Don't output anything for block symbols;
14470 just pass them to place_block_symbol.
14471 (init_varasm_once): Initialize object_block_htab.
14472 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14473 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14474 (place_block_symbol, get_section_anchor, output_object_block)
14475 (output_object_block_htab, output_object_blocks): New functions.
14476 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14477 (TARGET_ASM_OUT): Include it.
14478 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14479 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14480 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14481 (TARGET_INITIALIZER): Include them.
14482 * rtl.c (rtl_check_failed_block_symbol): New function.
14483 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14484 (block_symbol, object_block): New structures.
14485 (rtx_def): Add a block_symbol field to the union.
14486 (BLOCK_SYMBOL_CHECK): New macro.
14487 (rtl_check_failed_block_symbol): Declare.
14488 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14489 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14490 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14491 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14492 * output.h (output_section_symbols): Declare.
14493 (object_block): Name structure.
14494 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14495 (default_use_anchors_for_symbol_p): Declare.
14496 * Makefile.in (RTL_BASE_H): Add vec.h.
14497 (explow.o): Depend on output.h.
14498 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14499 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14500 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14501 (rs6000_use_blocks_for_constant_p): New function.
14503 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14505 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14507 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14510 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14513 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14515 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14519 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14521 PR middle-end/26334
14522 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14523 instead of DECL_REGISTER.
14525 2006-02-18 Olivier Hainque <hainque@adacore.com>
14528 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14530 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14533 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14534 * opth-gen.awk: Handle Var and InverseMask together.
14535 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14536 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14537 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14538 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14540 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14541 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14542 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14543 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14544 LINUX_DYNAMIC_LINKER): Define.
14545 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14546 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14548 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14549 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14550 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14552 (TARGET_C99_FUNCTIONS): Don't define.
14553 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14554 GLIBC_DYNAMIC_LINKER.
14555 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14556 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14557 GLIBC_DYNAMIC_LINKER64): Define.
14558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14559 LINUX_DYNAMIC_LINKER64.
14560 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14562 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14564 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14566 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14567 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14568 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14570 and LINUX_DYNAMIC_LINKER32.
14571 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14573 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14575 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14577 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14578 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14579 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14580 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14581 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14582 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14583 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14584 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14585 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14586 LINUX_DYNAMIC_LINKER): Define.
14587 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14588 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14589 GLIBC_DYNAMIC_LINKER64): Define.
14590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14591 LINUX_DYNAMIC_LINKER64.
14592 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14593 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14594 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14595 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14596 LINUX_DYNAMIC_LINKER): Define.
14597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14598 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14599 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14600 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14601 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14602 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14603 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14604 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14605 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14606 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14608 * doc/invoke.texi (-muclibc): Remove caveat about supported
14611 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14613 * doc/cpp.texi (__TIMESTAMP__): Document.
14615 2006-02-17 Roger Sayle <roger@eyesopen.com>
14617 PR middle-end/25600
14618 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14619 C is one less than the width of X (and related transformations).
14620 * simplify-rtx.c (simplify_unary_operation_1): Transform
14621 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14622 depending on STORE_FLAG_VALUE, were C is one less then the
14625 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14627 Fix PR tree-optimization/26341
14628 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14629 about NAME_MEMORY_TAG's.
14631 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14634 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14635 with hardware float support, and software float support. Add fcpy
14636 alternative to hardware patterns. Add alternatives to copy between
14637 general and floating-point registers to the 32-bit pattern.
14638 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14639 secondary reload to load a QI or HI mode constant into a floating
14641 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14642 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14644 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14647 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14649 (load_macho_picbase_di): Likewise.
14651 2006-02-16 Jeff Law <law@redhat.com>
14653 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14654 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14655 (ssa_name_nonzero_p): Likewise.
14656 (get_value_range): Return NULL if VRP is not running.
14657 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14658 VRP routines do not discover a range.
14659 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14660 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14661 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14662 (tree_expr_nonnegative_p): Similarly.
14663 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14664 (restore_nonzero_vars_to_original_value): Remove.
14665 (unsafe_associative_fp_binop): Remove.
14666 (tree_ssa_dominator_optimize): Remove initialization and
14667 finalization of nonzero_vars and nonzero_vars_stack.
14668 (dom_opt_initialize_block): No longer push marker on
14669 nonzero_vars_stack.
14670 (dom_opt_finalize_block): No longer call
14671 restore_nonzero_vars_to_original_value.
14672 (record_equivalences_from_phis): No longer look for
14673 nonzero PHI arguments.
14674 (cprop_into_successor_phis): No longer propagate nonzero
14675 property into PHI arguments. Lose unused argument. Caller
14677 (record_equivalences_from_stmt): No longer record nonzero
14678 values for SSA_NAMEs.
14679 (lookup_avail_expr): No longer use nonzero_vars.
14681 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14682 for sizetype when sizetype is unsigned.
14684 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14686 PR rtl-optimization/25603
14687 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14688 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14689 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14690 with new meaning of SETS.
14692 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14697 * config/linux.opt: New file.
14698 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14699 LINUX_DYNAMIC_LINKER): Define.
14700 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14701 * config.gcc (*-*-linux*): Define extra_options.
14702 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14703 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14704 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14705 GLIBC_DYNAMIC_LINKER.
14706 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14707 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14708 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14709 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14710 * doc/invoke.texi (GNU/Linux Options): New section.
14712 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14714 * config/sparc/sparc.md (setjmp): Rewrite.
14715 (setjmp_32): Delete.
14716 (setjmp_64): Likewise.
14718 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14720 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14723 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14725 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14728 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14730 PR rtl-optimization/26296
14731 * Makefile.in (loop-invariant.c): Add except.h dependency.
14732 * loop-invariant.c: Include except.h.
14733 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14735 2005-02-16 Paul Brook <paul@codesourcery.com>
14737 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14740 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14742 PR rtl-optimization/25636
14743 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14744 when deciding whether an insn is an initializing insn.
14746 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14748 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14749 (tree_code_size): Ditto.
14750 * tree.h (struct tree_memory_tag): Remove parent_var.
14751 (struct tree_struct_field_tag): New.
14754 (union tree_node): Add sft member.
14755 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14757 (create_sft): Add size and offset argument, set SFT_OFFSET and
14759 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14760 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14761 * tree-flow-inline.h (get_subvar_at): Update for
14762 SFT_OFFSET/SFT_SIZE.
14763 (var_can_have_subvars): Ditto.
14764 (overlap_subvar): Ditto.
14765 * print-tree.c (print_node): Print out interesting things for
14767 * tree-flow.h (struct subvar): Remove offset and size members.
14768 * tree-ssa-operands.c (get_expr_operands): Update for
14769 get_indirect_ref_operands changes.
14770 (get_indirect_ref_operands): Call add_virtual_operand instead of
14771 add_stmt_operand. Only recurse on base var if requested.
14772 (access_can_touch_variable): New function.
14773 (add_stmt_operand): Split virtual operand handling into ...
14774 (add_virtual_operand): Here. Add offset, size, and for_clobber
14775 arguments. Prune alias sets.
14776 (add_call_clobber_ops): Call add_virtual_operand.
14778 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14780 PR middle-end/26300
14781 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14783 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14784 than TREE_CODE as index into omp_clause_num_ops array.
14786 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14788 PR rtl-optimization/26184
14789 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14791 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14792 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14793 must_precede, must_follow and tobe_scheduled.
14796 * opts.c (common_handle_option): Free new_option pointer.
14797 * df-core.c (df_analyze): Free postorder pointer.
14799 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14801 * Makefile.in: Fix the examples about the use of stamps
14803 2006-02-15 Michael Matz <matz@suse.de>
14805 PR middle-end/22275
14807 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14808 influenced by maximum_field_alignment or DECL_PACKED.
14809 (update_alignment_for_field): Ditto.
14810 (place_field): Ditto.
14811 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14814 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14816 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14817 (debug_flow_info): Pass it.
14818 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14819 * bb-reorder.c (reorder_basic_blocks): Likewise.
14820 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14821 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14822 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14823 * gcse.c (gcse_main, bypass_jumps): Likewise.
14824 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14825 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14826 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14827 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14828 * rtl.h (dump_flow_info): Adjust prototype.
14829 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14830 * var-tracking.c (variable_tracking_main): Likewise.
14831 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14832 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14835 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14837 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14840 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14842 PR tree-optimization/26209
14843 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14844 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14846 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14848 2006-02-14 Roger Sayle <roger@eyesopen.com>
14850 PR middle-end/23670
14851 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14852 (X,Y) and the corresponding symmetry related transformations.
14853 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14854 (X,Y) and its symmetry related transformations.
14856 2006-02-14 Roger Sayle <roger@eyesopen.com>
14858 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14861 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14863 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14865 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14868 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14869 support COMDAT group.
14870 * configure: Regenerate.
14872 2006-02-14 Roger Sayle <roger@eyesopen.com>
14874 PR middle-end/26279
14875 PR middle-end/26280
14876 PR middle-end/26283
14877 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14879 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14881 Fix PR tree-optimization/26260
14883 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14885 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14886 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14887 * tree-ssa-structalias.c (create_variable_info_for): Use
14888 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14890 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14892 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14894 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14895 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14896 of the ending condition.
14897 * tree-ssa-loop-manip.c: Include params.h.
14898 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14899 tree_unroll_loop): New functions.
14900 * tree-pass.h (pass_loop_prefetch): Declare.
14901 * loop.c (rest_of_handle_loop_optimize): Test for
14902 -fprefetch-loop-arrays-rtl.
14903 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14904 * timevar.def (TV_TREE_PREFETCH): New timevar.
14905 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14906 pass_loop_prefetch): New.
14907 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14908 (cleanup_tree_cfg_loop): Call scev_reset.
14909 * common.opt (fprefetch-loop-arrays-rtl): Add.
14910 * tree-ssa-loop-prefetch.c: New file.
14911 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14912 (new_temp_expr_table): Initialize expr_vars.
14913 (free_temp_expr_table): Cleanup expr_vars.
14914 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14915 expressions from being merged into one.
14916 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14917 (struct tree_niter_desc): Add control, bound and cmp fields.
14918 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14920 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14921 (tree-cfgcleanup.o): Add SCEV_H dependency.
14922 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14923 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14925 2006-02-14 Richard Guenther <rguenther@suse.de>
14927 PR tree-optimization/26258
14928 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14929 in PHI argument processing.
14931 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14933 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14934 new expression in the requested machine mode.
14936 2006-02-13 Roger Sayle <roger@eyesopen.com>
14938 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14939 directly, instead let do_compare_rtx_and_jump handle this for us.
14940 * expr.c (expand_expr_real_1): Likewise.
14941 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14942 before do_jump_by_parts_greater.
14943 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14944 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14946 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14948 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14950 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14952 PR rtl-optimization/26235
14953 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14954 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14957 2006-02-13 Jeff Law <law@redhat.com>
14959 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14962 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14964 PR middle-end/26092
14965 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14966 twice if decl is a builtin. When trying again, call get_callee_fndecl
14967 first to verify it is still a builtin.
14969 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14971 * dwarf2out.c (base_type_die): Don't add AT_name here.
14972 (subrange_type_die): Don't add AT_name here.
14973 (modified_type_die): Rearrange code flow. Do add AT_name here.
14975 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14977 PR rtl-optimization/26247
14978 PR rtl-optimization/26248
14979 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14981 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14983 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14984 * config/fixtfdi.c: Likewise.
14985 * config/fixunstfdi.c: Likewise.
14986 * config/floatditf.c: Likewise.
14988 2006-02-13 Roger Sayle <roger@eyesopen.com>
14990 PR middle-end/24427
14991 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14992 into (X,C2) if C1 is a subset of the bits of C2. Transform
14993 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14995 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14997 2006-02-13 Josh Conner <jconner@apple.com>
15000 * varasm.c (function_section): Check for section name before
15001 calling select_section on targets that define
15002 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15003 unlikely_text_section instead of hot_function_section if
15004 first_function_block_is_cold.
15006 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15008 PR middle-end/25335
15009 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15011 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15013 PR rtl-optimization/26222
15014 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15015 after tree->rtl expansion.
15016 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15017 before passing it to emit_move_insn.
15019 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15021 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15023 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15024 Clarify documentation.
15025 * c-common.h (warn_write_strings): Remove.
15026 * c-common.c (warn_write_strings): Likewise.
15027 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15030 2006-02-12 Roger Sayle <roger@eyesopen.com>
15032 PR middle-end/25724
15033 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15034 (do_jump_parts_zero_rtx): New function renamed from
15035 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15036 (do_jump_parts_equality_rtx): New function split out from
15037 do_jump_parts_equality. Old implementation renamed as above.
15038 Call do_jump_parts_zero_rtx if either operand is zero.
15039 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15040 do all of the heavy lifting.
15041 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15042 calling either do_jump_by_parts_greater_rtx or
15043 do_jump_by_parts_equality_rtx.
15044 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15045 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15046 moved to do_compare_rtx_and_jump, call it directly.
15047 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15048 mode argument. Call do_compare_rtx_and_jump.
15049 (emit_case_nodes): Update calls to do_jump_if_equal.
15051 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15053 PR rtl-optimization/26225
15054 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15056 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15058 PR rtl-optimization/26232
15059 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15061 2006-02-11 Jason Merrill <jason@redhat.com>
15064 * tree-inline.c (declare_return_variable): Just don't use the
15065 modify target if it's a gimple complex reg and the return slot
15068 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15070 * doc/contrib.texi: Update my entry.
15072 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15074 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15076 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15078 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15081 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15083 * doc/invoke.texi (-floop-optimize2): Removed.
15084 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15085 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15086 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15087 * common.opt (floop-optimize2): Removed.
15088 (fmove-loop-invariants): Enabled by default.
15090 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15092 * tree-if-conv.c (combine_blocks): Free the result of
15093 get_loop_exit_edges.
15095 2006-02-10 Jeff Law <law@redhat.com>
15097 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15099 PR tree-optimization/26213
15100 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15101 loop trying to follow SSA_NAME_VALUE chains.
15103 2006-02-10 Richard Guenther <rguenther@suse.de>
15105 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15106 deal with structures that end in implicitly variable sized arrays.
15108 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15110 PR rtl-optimization/24762
15111 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15114 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15116 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15117 (struct ivopts_data): Add regs_used field.
15118 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15119 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15120 instead of loop_data->regs_used;
15121 (free_loop_data): Do not free aux fields for loops.
15122 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15123 and tree_ssa_iv_optimize_finalize.
15125 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15127 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15129 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15132 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15133 computing the effective result type.
15135 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15137 PR inline-asm/16194
15138 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15139 (tree_overlaps_hard_reg_set): Declare.
15140 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15141 type and signature to match function type expected by walk_tree.
15142 (tree_overlaps_hard_reg_set): New function.
15143 (decl_conflicts_with_clobbers_p): Rename to:
15144 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15145 Use tree_overlaps_hard_reg_set. Changed caller.
15146 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15147 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15148 * cris.c (cris_md_asm_clobbers): Likewise.
15150 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15152 * reload1.c (emit_input_reload_insns): Delete code that tries to
15153 inherit using find_equiv_reg.
15155 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15157 * c-common.h (flag_const_strings): Don't declare.
15158 * c-common.c (flag_const_strings): Remove.
15159 * c.opt (fconst_strings): Remove.
15160 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15161 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15162 (c_common_init_options): Don't set flag_const_strings.
15163 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15165 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15167 * arm.md (tlobits_cbranch): New pattern.
15168 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15169 testing a single bit.
15171 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15174 * tree-ssa-pre.c (create_component_ref_by_pieces):
15175 Handle RETURN_DECL like VAR_DECL.
15177 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15179 PR middle-end/26134
15180 * fold-const.c (fold_indirect_ref_1): Fold
15181 "*(foo *)&complexfoo" to "__real__ complexfoo"
15182 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15184 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15186 * tree-flow-inline.h (var_can_have_subvars):
15187 Volatile variables should not have subvariables.
15189 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15192 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15193 multiplying unsigned values.
15196 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15198 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15200 2006-02-08 Jason Merrill <jason@redhat.com>
15203 * tree.def: Elaborate on difference from MODIFY_EXPR.
15204 * doc/c-tree.texi (INIT_EXPR): Likewise.
15205 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15206 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15207 (gimplify_target_expr): Likewise.
15208 (gimplify_cond_expr): Remove target handling.
15209 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15210 (gimplify_expr): Clobber it here.
15211 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15212 Do return slot optimization if we have an INIT_EXPR.
15215 * tree-inline.c (declare_return_variable): Also clear
15216 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15219 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15221 PR middle-end/22439
15222 * gimplify.c (gimplify_one_sizepos): Fix typo.
15224 2006-02-08 Jeff Law <law@redhat.com>
15226 PR tree-optimization/21417
15227 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15228 across a backedge if the control statement at the end of the
15229 block is data dependent on other statements in the same block.
15230 (record_temporary_equivalences_from_stmts): Remove over-conservative
15231 test for threading across backedges.
15233 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15234 control statement, handle all three special cases in the same
15235 manner as they all have the same desired solution. No longer
15236 special case edge flag updating when the post dominator is
15239 2006-02-08 Roger Sayle <roger@eyesopen.com>
15241 * tree.def (CHAR_TYPE): Remove.
15242 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15243 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15244 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15245 (gen_string_type_die): Delete unreachable function.
15247 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15248 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15249 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15250 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15251 * builtins.c (type_to_class): Likewise.
15252 * fold-const.c (fold_convert, build_range_check,
15253 merge_ranges): Likewise.
15254 * expr.c (count_type_elements): Likewise.
15255 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15256 * stor-layout.c (layout_type): Likewise.
15257 * ipa-type-escape.c (type_to_consider): Likewise.
15258 * gimplify.c (omp_firstprivatize_type_sizes,
15259 gimplify_type_sizes): Likewise.
15260 * explow.c (promote_mode): Likewise.
15261 * tree-sra.c (is_sra_scalar_type): Likewise.
15262 * varasm.c (output_constant): Likewise.
15263 * tree-inline.c (remap_type_1): Likewise.
15264 * convert.c (convert_to_pointer, convert_to_real,
15265 convert_to_integer, convert_to_complex): Likewise.
15267 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15269 * df-scan.c (df_def_record_1): A set destination may
15270 be a parallel regardless of mode.
15272 2006-02-08 Roger Sayle <roger@eyesopen.com>
15275 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15276 * config/mips/_tilib.c: Remove.
15277 * config/fixtfdi.c: New libgcc source file.
15278 * config/fixunstfdi.c: New source file.
15279 * config/floatditf.c: New source file.
15280 * config/floatunditf.c: New souce file.
15281 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15282 files above instead of config/mips/_tilib.c.
15283 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15285 2006-02-08 Jeff Law <law@redhat.com>
15287 PR tree-optimization/26169
15288 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15291 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15293 * df.h (DF_REG_SIZE): Return the length of the initialized
15296 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15298 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15299 __muldf3): Return a correctly signed zero.
15301 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15303 * passes.c (register_one_dump_file): Accept the current properties
15304 instead of pass number. Adjust call to dump_register. Remove
15306 (register_dump_files): Now a wrapper around...
15307 (register_dump_files_1): ... this one. Do not modify the pass
15309 (next_pass_1): Cosmetic fix.
15310 (execute_todo): Keep second parameter only. Use curr_properties
15311 instead of fetching it from the pass structure. Check and set
15313 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15314 instead of fetching it from the pass structure. Fix calls to
15315 execute_todo. Update curr_properties and initialize .vcg RTL dump
15316 after running the pass. Reset last_verified.
15317 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15319 (FIRST_AUTO_NUMBERED_DUMP): New.
15320 (dump_register): Remove "num" parameter, assign it within the
15322 (get_dump_file_name): Modify template for dumps.
15323 * tree-dump.h (dump_register): Adjust prototype.
15324 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15325 (PROP_trees): Add PROP_gimple_lomp.
15326 (TODO_set_props): New.
15327 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15328 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15329 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15331 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15333 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15334 (sparc64-*-linux*): Likewise.
15335 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15336 * config/sparc/t-linux: New file.
15337 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15338 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15339 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15340 -m32 -mlong-double-128.
15342 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15343 * config/alpha/t-linux: New file.
15344 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15346 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15347 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15348 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15349 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15350 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15351 (CPP_ARCH32_SPEC): Remove.
15353 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15355 PR tree-optimization/26145
15356 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15359 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15362 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15363 >= 240000 when generating code for SOM runtime.
15364 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15365 to $$dyncall when generating code for SOM runtime..
15367 2006-02-07 Dirk Mueller <dmueller@suse.com>
15370 * doc/invoke.texi (-Wsequence-point): Update documentation
15371 that -Wsequence-point is implemented for C++ as well.
15373 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15375 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15376 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15377 (LIB_SPEC): Likewise.
15378 * doc/invoke.texi (SPARC options): Document -pthread.
15380 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15382 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15385 2006-02-07 Roger Sayle <roger@eyesopen.com>
15387 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15388 Correct comment describing BOOLEAN_TYPE.
15390 2006-02-07 Dirk Mueller <dmueller@suse.com>
15392 * c.opt: C++ frontend supports -Wdiv-by-zero.
15393 * c-opts.c (c_common_handle_option): Remove dead case.
15395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15397 * configure.ac (TLS assembler check): Do not enable TLS by
15398 default on SPARC/Solaris before version 10.
15399 * configure: Regenerate.
15401 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15403 * doc/invoke.texi (xl-compat): Document conversion and support
15406 2006-02-07 Jeff Law <law@redhat.com>
15408 * tree-vrp.c (find_conditional_asserts): Update comments.
15409 (simplify_stmt_for_jump_threading): New.
15410 (identify_jump_threads, finalize_jump_threads): New.
15411 (vrp_finalize): Call identify_jump_threads.
15412 (execute_vrp): Call finalize_jump_threads.
15413 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15414 (vrp_element, vrp_data, vrp_element_p): Remove.
15415 (vrp_hash_elt, vrp_variables_stack): Remove.
15416 (vrp_hash, vrp_eq, record_range): Remove.
15417 (simplify_cond_and_lookup_avail_expr): Remove.
15418 (extract_range_from_cond): Remove.
15419 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15420 (simplify_stmt_for_jump_threading): New.
15421 (dom_thread_across_edge): New wrapper.
15422 (tree_ssa_dominator_optimize): No longer initialize or
15423 finalize any of the VRP datastructures. Remove iteration
15424 step and simplify as a result of removal of iteration step.
15425 (pass_dominator): Perform a cfg cleanup after DOM.
15426 (dom_opt_finalize_block): Use the new common routines
15427 for threading jumps. Simplify stack management slightly.
15428 No longer need to unwind VRP state.
15429 (record_equivalences_from_incoming_edge): No longer record
15431 (eliminate_redundant_computations): No longer call
15432 simplify_cond_and_lookup_avail_expr.
15433 * tree-flow.h (potentially_threadable_block): Prototype.
15434 (thread_across_edge): Likewise.
15435 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15436 (tree-ssa-threadedge.o): Add dependencies.
15437 * tree-ssa-threadedge.c: New file.
15438 * passes.c (init_optimization_passes): Merge PHIs before
15439 calling VRP. Run VRP again late in the SSA optimization pipeline.
15441 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15443 * df-core.c (df_set_blocks): Do not dereference function pointers.
15444 (df_finish1): Likewise.
15445 (df_hybrid_search_forward): Likewise.
15446 (df_hybrid_search_backward): Likewise.
15447 (df_iterative_dataflow): Likewise.
15448 (df_analyze_problem): Likewise.
15449 (df_compact_blocks): Likewise.
15450 (df_dump): Likewise.
15451 * df-scan.c (df_rescan_blocks): Likewise.
15452 (df_record_entry_block_defs): Likewise.
15454 * genconditions.c (write_conditions): Guard the definition of
15455 'insn_conditions' with the check on GCC version.
15456 (write_writer): Guard the traversal 'insn_conditions' with
15457 the check on GCC version.
15459 2006-02-07 Richard Guenther <rguenther@suse.de>
15463 2006-01-30 Richard Guenther <rguenther@suse.de>
15465 * gimplify.c (gimplify_target_expr): Handle easy cases
15466 without creating a temporary.
15468 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15470 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15471 use of float in probability computations. Use edge probabilities
15472 in place of statically computed probabilities.
15473 (min_spec_prob): New static variable.
15474 (schedule_insns): Initialize it.
15475 (GET_SRC_PROB): Removed.
15476 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15478 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15481 * config/ia64/unwind-ia64.c: Revert last change.
15482 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15483 (INCOMING_FRAME_SP_OFFSET): Define.
15485 2006-02-06 Roger Sayle <roger@eyesopen.com>
15487 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15489 2006-02-07 Ben Elliston <bje@au.ibm.com>
15491 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15492 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15493 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15494 (ix86_return_in_memory): Handle TDmode.
15495 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15496 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15498 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15500 * reorg.c (dbr_schedule): Use dump_file instead of file.
15502 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15505 * config/ia64/predicates.md (extr_len_operand): New predicate.
15506 * config/ia64/ia64.md (extv): Tighten constraints.
15508 (*tbit_and_2): Ditto.
15509 (*tbit_and_3): Ditto.
15510 (*tbit_or_2): Ditto.
15511 (*tbit_or_3): Ditto.
15512 (*bit_zero): Ditto.
15515 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15518 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15520 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15522 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15523 loop_optimizer_init and loop_optimizer_finalize
15524 * tree-ssa-sink.c (execute_sink_code): Ditto.
15525 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15526 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15527 tree_ssa_loop_done): Ditto.
15528 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15529 * sched-ebb.c: Include output.h.
15530 (schedule_ebbs): Do not use dump argument.
15531 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15532 * loop.c (loop_dump_stream): Removed.
15533 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15535 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15536 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15537 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15538 loop_iterations, strength_reduce, record_biv, record_giv,
15539 final_giv_value, check_final_value, check_ext_dependent_givs,
15540 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15541 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15542 dump_file instead of loop_dump_stream.
15543 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15544 argument dump_file.
15545 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15547 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15548 * haifa-sched.c: Include output.h
15549 (schedule_insns, sched_init): Do not use dump argument.
15550 * mode-switching.c (optimize_mode_switching): Ditto.
15551 * modulo-sched.c (stats_file): Removed.
15552 (print_node_sched_params): Do not call argument dump_file.
15553 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15554 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15556 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15558 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15559 rtl_loop_init, rtl_loop_done): Ditto.
15560 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15561 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15563 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15564 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15565 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15566 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15567 * emit-rtl.c (renumber_insns): Ditto.
15568 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15569 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15570 * regclass.c (regclass): Ditto.
15571 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15572 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15573 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15574 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15576 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15577 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15579 * gcse.c (gcse_file, debug_stderr): Removed.
15580 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15581 rest_of_handle_gcse): Do not use dump argument.
15582 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15583 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15584 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15585 compute_code_hoist_vbeinout, compute_code_hoist_data,
15586 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15587 compute_store_table, build_store_vectors, insert_insn_start_bb,
15588 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15589 store_motion): Use dump_file instead of gcse_file.
15590 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15591 * profile.c (profile_dump_file): Removed.
15592 (branch_prob): Use dump_file instead of profile_dump_file.
15593 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15595 * tree-ssa-copy.c (dump_copy_of): Ditto.
15596 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15597 dump file to life_analysis.
15598 * bt-load.c (branch_target_load_optimize): Ditto.
15599 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15601 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15602 regclass, dbr_schedule): Declaration changed.
15603 * sched-int.h (sched_init): Declaration changed.
15604 * tree-profile.c (tree_profile_dump_file): Removed.
15605 (tree_profile_hooks): Removed profile_dump_file hook.
15606 * rtl-profile (rtl_profile_dump_file): Removed.
15607 (rtl_profile_hooks): emoved profile_dump_file hook.
15608 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15610 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15611 * tree-cfg.c (build_tree_cfg): Ditto.
15612 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15613 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15614 Declaration changed.
15615 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15616 life_analysis and schedule_insns.
15617 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15619 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15621 * config/mips/mips.c (mips_reorg): Ditto.
15622 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15625 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15627 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15628 (s390_mangle_fundamental_type): New.
15629 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15632 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15633 (alpha_mangle_fundamental_type): New.
15634 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15637 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15639 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15641 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15642 (sparc_mangle_fundamental_type): New.
15644 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15646 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15647 (s390x-*-linux*): Likewise.
15648 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15649 * config/s390/t-linux: New file.
15651 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15653 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15654 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15656 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15658 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15659 (ANTIC_SAFE_LOADS): New macro.
15660 (find_or_generate_expression): Add prototype.
15661 (set_contains_value): Allow null set for sake of not always having
15662 to allocate ANTIC_SAFE_LOADS.
15663 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15664 Allow COMPONENT_REF too.
15665 (valid_in_set): Allow COMPONENT_REF.
15666 Check ANTIC_SAFE_LOADS too.
15667 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15668 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15670 (can_PRE_operation): Add COMPONENT_REF.
15671 (create_component_ref_by_pieces): New function.
15672 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15673 (insert_aux): Move AGGREGATE_TYPE_P check here.
15674 (compute_avail): Set bb local stmt uids.
15675 (pass_pre): Use TODO_update_ssa_only_virtuals.
15677 2006-02-06 Ben Elliston <bje@au.ibm.com>
15679 * configure.ac: Unconditionally disable decimal float by default.
15680 * configure: Regenerate.
15682 2006-02-06 Ben Elliston <bje@au.ibm.com>
15684 * read-rtl.c (read_name): Terminate reading on EOF.
15686 2006-02-06 Ben Elliston <bje@au.ibm.com>
15688 * dfp.c (decimal_real_arithmetic): Change second argument type
15689 from int to enum tree_code. Do not always return true, but now
15690 return result of any call to decimal_do helper functions.
15691 * dfp.h (decimal_real_arithmetic): Update prototype.
15693 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15695 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15697 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15700 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15703 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15705 * tree-vrp.c (cfg_loops): Removed.
15706 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15707 Use current_loops instead of cfg_loops. Pass flags to
15708 loop_optimizer_init.
15709 * cfgloopmanip.c (fix_loop_structure): Update only available
15711 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15712 loop_optimizer_init.
15713 * modulo-sched.c (build_loops_structure): Removed.
15714 (sms_schedule): Use loop_optimizer_init.
15715 * loop-init.c (loop_optimizer_init): Use flags to determine
15716 which properties of loops to prepare.
15717 (rtl_loop_init): Pass flags to loop_optimizer_init.
15718 * tree-ssa-sink.c (execute_sink_code): Ditto.
15719 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15720 * tree-ssa-pre.c (init_pre): Ditto.
15721 * cfgloop.h (LOOPS_NORMAL): New.
15722 (loop_optimizer_init): Declaration changed.
15724 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15726 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15727 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15729 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15731 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15733 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15734 * pa/t-pa64: Delete quadlib.c rule.
15735 * pa/x-ada: Revert last change.
15736 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15738 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15740 PR rtl-optimization/26087
15741 * rtlanal.c (canonicalize_condition): Do not cross basic block
15744 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15747 * config/ia64/ia64.c: Include debug.h.
15748 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15749 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15750 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15751 (process_epilogue, process_set, process_for_unwind_directive):
15752 Output unwind info only if requested. Add CFA info if requested.
15753 Add new arguments as needed. Adjust callers.
15754 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15756 (DWARF2_FRAME_INFO): Define to zero.
15757 * config/ia64/unwind-ia64.c: Remove code that compensated for
15758 the CFA offset error fixed above.
15759 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15760 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15761 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15762 -funwind-tables and -fexceptions to enable frame info.
15763 (dwarf2out_frame_init): Define initial CFA even if
15764 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15765 DWARF2_UNWIND_INFO is nonzero, not just defined.
15766 (dwarf2out_frame_finish): Output non-EH call frame info only
15767 if DWARF2_FRAME_INFO is nonzero.
15768 (convert_cfa_to_loc_list,
15769 compute_frame_pointer_to_cfa_displacement): Define even if
15770 unwind info is not supported.
15771 (gen_subprogram_die): Use the above unconditionally. Remove
15772 legacy alternate code.
15773 * toplev.c (compile_file): Compile in call to
15774 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15775 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15777 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15778 Jakub Jelinek <jakub@redhat.com>
15780 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15781 IBM extended float format long double as "g" on powerpc*-linux.
15783 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15786 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15787 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15789 2006-02-03 Jason Merrill <jason@redhat.com>
15792 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15794 PR middle-end/25977
15795 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15796 on the return slot if it's an NRV.
15798 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15800 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15801 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15802 rewrite_use): Do not handle USE_OUTER.
15803 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15804 add_iv_outer_candidates, may_replace_final_value,
15805 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15806 (find_interesting_uses_op): Functionality of
15807 find_interesting_uses_outer_or_nonlin moved here.
15808 (find_interesting_uses_outside): Use find_interesting_uses_op.
15810 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15813 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15815 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15816 Ulrich Weigand <uweigand@de.ibm.com>
15819 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15820 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15821 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15822 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15824 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15825 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15826 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15827 Define secondary reloads for TFmode moves.
15828 (constant_modes): Add TFmode.
15829 (NR_C_MODES): Set to 8.
15830 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15832 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15833 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15834 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15835 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15836 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15837 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15838 (FPR mode macro): Add TFmode.
15839 (DSF mode macro): New.
15840 (<de>, <dee> mode attributes): Removed.
15841 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15842 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15843 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15844 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15845 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15846 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15847 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15848 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15849 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15850 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15851 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15852 "*negabs<mode>2", "sqrt<mode>2"):
15853 Changed <de> to <xde>. R constraint replaced by <Rf>.
15854 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15856 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15857 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15858 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15860 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15861 "extenddftf2", "extendsftf2"): New expanders.
15862 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15863 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15864 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15865 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15867 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15868 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15869 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15870 __floatditf): Add a GCC_4.1.0 symbol version tag.
15871 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15874 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15877 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15878 Use targetm.binds_local_p instead of TREE_PUBLIC.
15880 2006-02-02 Roger Sayle <roger@eyesopen.com>
15882 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15883 on INTEGER_TYPEs to indicate that it denotes a character type.
15884 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15885 signed_char_type_node, unsigned_char_type_node and char_type_node.
15886 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15887 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15888 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15890 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15891 Daniel Berlin <dberlin@dberlin.org>
15893 * tree-tailcall.c (arg_needs_copy_p): New function.
15894 (eliminate_tail_call): Use arg_needs_copy_p.
15895 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15896 (add_virtual_phis): New function.
15898 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15900 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15901 #ignore instead of #scratch for %g7 .register directive.
15903 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15905 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15908 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15910 * flow.c (calculate_global_regs_live): Assert that there aren't any
15913 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15915 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15916 what its name says.
15917 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15918 bsi_after_labels iterator.
15919 * tree-if-conv.c (find_phi_replacement_condition,
15920 replace_phi_with_cond_modify_expr): Likewise.
15921 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15922 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15924 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15926 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15928 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15931 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15932 array after growing it.
15934 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15936 PR middle-end/24901
15937 * fold-const.c (fold_checksum_tree): Change type of buf.
15939 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15941 * reload.c (push_secondary_reload): Initialize t_icode.
15943 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15945 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15946 -msoft-float -mlong-double-128 only issue a warning, but don't
15947 swich to DFmode long double.
15949 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15951 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15952 has a constant equivalent, iterate over equivalents for arg0,
15953 calling simplify_relational_operation and if there's a result
15954 cheaper than X, apply fold_rtx and return the result.
15956 2006-02-01 Jan Hubicka <jh@suse.cz>
15958 * opts.c (no_unit_at_a_time_default): New global variable.
15959 (decode_options): Use it.
15960 * opts.h (no_unit_at_a_time_default): Declare.
15962 2006-02-01 Paul Brook <paul@codesourcery.com>
15964 * function.c (assign_parm_setup_reg): Use function argument promotion
15966 * expr.c (expand_expr_real_1): Use function argument promotion rules
15969 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15971 * gcc.c (process_command): Change j to 'unsigned int'.
15973 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15975 PR middle-end/26001
15976 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15977 Use the corrected index for the character
15978 out of the string constant.
15980 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15982 * mode-switching.c (optimize_mode_switching): Fix size
15983 allocated for bb_info[n_entities].
15985 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15987 * gcc.c (main): Correct type that is allocated for
15988 explicit_link_files.
15990 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15992 * config/s390/s390.c (init_alignment_context): Set
15993 ALIAS_SET_MEMORY_BARRIER on the MEM.
15994 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15996 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15998 PR middle-end/25933
15999 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16001 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16004 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16006 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16007 * regrename.c: Ditto.
16008 * tree-ssa-loop-im.c: Ditto.
16009 * tree-dump.c: Ditto.
16010 * tree-complex.c: Ditto.
16011 * genrecog.c: Ditto.
16012 * tree-ssa-threadupdate.c: Ditto.
16014 * java/class.c: Ditto.
16015 * java/jcf-parse.c: Ditto.
16016 * java/resource.c: Ditto.
16017 * java/except.c: Ditto.
16018 * java/jvspec.c: Ditto.
16019 * java/jcf-write.c: Ditto.
16020 * java/jcf-path.c: Ditto.
16021 * java/gjavah.c: Ditto.
16022 * java/zextract.c: Ditto.
16023 * java/jcf-io.c: Ditto.
16024 * java/jcf.h: Ditto.
16025 * java/buffer.c: Ditto.
16026 * java/lang.c: Ditto.
16027 * java/parse-scan.y: Ditto.
16028 * java/lex.c: Ditto.
16029 * java/lex.h: Ditto.
16030 * cfgloopmanip.c: Ditto.
16031 * postreload-gcse.c: Ditto.
16032 * tree-ssa-loop-manip.c: Ditto.
16033 * postreload.c: Ditto.
16034 * tree-ssa-loop-ch.c: Ditto.
16037 * cppspec.c: Ditto.
16038 * diagnostic.c: Ditto.
16040 * genoutput.c: Ditto.
16042 * cfghooks.c: Ditto.
16043 * cfgloopanal.c: Ditto.
16044 * objc/objc-act.c: Ditto.
16046 * genextract.c: Ditto.
16047 * genautomata.c: Ditto.
16048 * pretty-print.c: Ditto.
16049 * genemit.c: Ditto.
16050 * cgraphunit.c: Ditto.
16052 * df-scan.c: Ditto.
16053 * haifa-sched.c: Ditto.
16054 * dominance.c: Ditto.
16056 * tree-ssa-loop-ivopts.c: Ditto.
16057 * df-core.c: Ditto.
16058 * mode-switching.c: Ditto.
16059 * modulo-sched.c: Ditto.
16061 * ipa-pure-const.c: Ditto.
16063 * fix-header.c: Ditto.
16065 * tree-stdarg.c: Ditto.
16066 * ipa-utils.c: Ditto.
16067 * loop-init.c: Ditto.
16068 * ipa-inline.c: Ditto.
16069 * cfganal.c: Ditto.
16071 * alloc-pool.c: Ditto.
16072 * dwarf2out.c: Ditto.
16074 * genattrtab.c: Ditto.
16075 * tree-ssa-loop-ivcanon.c: Ditto.
16076 * predict.c: Ditto.
16077 * timevar.c: Ditto.
16079 * fortran/gfortranspec.c: Ditto.
16080 * regmove.c: Ditto.
16081 * local-alloc.c: Ditto.
16082 * langhooks.c: Ditto.
16083 * function.c: Ditto.
16084 * tree-vectorizer.c: Ditto.
16086 * ipa-type-escape.c: Ditto.
16088 * tree-if-conv.c: Ditto.
16089 * profile.c: Ditto.
16091 * tree-data-ref.c: Ditto.
16092 * loop-unroll.c: Ditto.
16093 * treelang/treetree.c: Ditto.
16095 * bt-load.c: Ditto.
16096 * ggc-common.c: Ditto.
16098 * coverage.c: Ditto.
16100 * tree-cfgcleanup.c: Ditto.
16101 * tree-ssa-pre.c: Ditto.
16102 * cfgcleanup.c: Ditto.
16103 * loop-invariant.c: Ditto.
16104 * loop-iv.c: Ditto.
16105 * ipa-prop.c: Ditto.
16106 * print-tree.c: Ditto.
16107 * conflict.c: Ditto.
16108 * ggc-page.c: Ditto.
16109 * sched-deps.c: Ditto.
16110 * regclass.c: Ditto.
16111 * tree-object-size.c: Ditto.
16112 * combine.c: Ditto.
16113 * bb-reorder.c: Ditto.
16114 * resource.c: Ditto.
16115 * var-tracking.c: Ditto.
16116 * cfgloop.c: Ditto.
16117 * df-problems.c: Ditto.
16118 * reg-stack.c: Ditto.
16120 * gccspec.c: Ditto.
16121 * sched-rgn.c: Ditto.
16122 * tree-ssa-structalias.c: Ditto.
16123 * tree-ssa-reassoc.c: Ditto.
16124 * config/darwin-c.c: Ditto.
16125 * config/darwin.c: Ditto.
16126 * config/arm/arm.c: Ditto.
16128 * collect2.c: Ditto.
16129 * reload1.c: Ditto.
16131 2006-01-31 Nicolas Pitre <nico@cam.org>
16133 * arm.md (smaxsi3): Make aware of smax_m1.
16136 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16138 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16140 2006-01-31 Richard Guenther <rguenther@suse.de>
16142 * doc/invoke.texi (-msselibm): Document.
16143 * target.h (expand_library_builtin): New target hook.
16144 * builtins.c (expand_builtin): Use expand_library_builtin.
16145 (default_expand_library_builtin): New function.
16146 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16147 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16148 (link_gcc_math_spec): Declare.
16149 (static_specs): Add link_gcc_math_spec.
16150 * expr.h (default_expand_library_builtin): Declare.
16151 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16152 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16153 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16154 * config/i386/i386.opt (msselibm): New target option.
16155 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16156 (ix86_init_sse_abi_builtins): New function.
16157 (ix86_expand_library_builtin): Likewise.
16158 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16159 (override_options): Handle error conditions wrt -msselibm.
16160 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16161 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16162 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16165 2006-01-31 Richard Guenther <rguenther@suse.de>
16166 Paolo Bonzini <bonzini@gnu.org>
16168 * doc/install.texi (--disable-libgcc-math): Document.
16170 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16172 * expr.h (expand_normal): new inline function.
16173 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16174 * dojump.c: use it.
16175 * dwarf2out.c: use it.
16178 * expmed.c: use it.
16179 * except.c: use it.
16180 * config/sparc/sparc.c: use it.
16181 * config/i386/i386.c: use it.
16182 * config/rs6000/rs6000.c: use it.
16183 * config/arm/arm.c: use it.
16184 * config/mips/mips.c: use it.
16185 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16187 2006-01-30 Roger Sayle <roger@eyesopen.com>
16189 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16190 argv to the appropriate type.
16192 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16194 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16197 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16200 * config/s390/s390.c (struct machine_function): New flag
16201 decomposed_literal_pool_addresses_ok_p.
16202 (s390_reorg): Set it before final stage of literal pool transforms.
16203 (s390_decompose_address): Only accept displacements of the form
16204 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16206 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16208 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16209 the comparison routine return.
16211 2006-01-30 Michael Matz <matz@suse.de>
16213 * global.c (find_reg): Only evict for global regs.
16214 Take n_refs into account and dump more info.
16216 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16219 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16220 (pragma_trap, pragma_nosave_low_regs): Likewise.
16221 (current_function_anonymous_args): Likewise.
16222 (sh_deferred_function_attributes): New variable.
16223 (sh_deferred_function_attributes_tail): Likewise.
16224 (print_operand): For '@', look up trap_exit attribute.
16225 (calc_live_regs): Look up trapa_handler attribute. For trapa
16226 handlers, save/restore fpscr, but don't do any other
16227 interrupt-specific saves.
16228 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16229 Fix check for partially saved registers to check for SHmedia.
16230 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16231 (sh_output_function_epilogue): Don't clear any of the removed
16233 (sh_insert_attributes): Don't check pragma_interrupt.
16234 Insert deferred attributes. Check that interrupt attribute is
16235 present for other attributes that require its presence.
16236 (sh_attribute_table): Add new attributes trapa_handler and
16238 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16239 Don't check for pragma_interrupt. Don't store argument.
16240 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16241 (sh_deferred_function_attributes): Declare.
16242 (sh_deferred_function_attributes_tail): Likewise.
16243 * sh.md (sp_switch_1): Add operand. Change generator caller.
16244 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16245 (*return_i): Don't use when trap_exit attribute is in effect.
16246 (*return_trapa): New insn pattern.
16247 * sh-c.c: New file.
16248 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16249 setting c_target_objs and cxx_target_objs.
16250 * t-sh: Add rule for sh-c.o.
16252 2006-01-30 Richard Guenther <rguenther@suse.de>
16255 * gimplify.c (gimplify_target_expr): Handle easy cases
16256 without creating a temporary.
16258 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16260 * vec.h (safe_grow): Remove duplicated line.
16262 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16265 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16266 (expand_omp): ... here.
16267 (expand_omp_parallel): Only remove barriers for combined
16268 parallel+workshare constructs.
16270 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16274 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16275 * tree.c (build_qualified_type): Chain the new type to the original
16276 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16277 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16278 (build_pointer_type_for_mode): Only return unqualified types.
16279 (build_reference_type_for_mode): Likewise.
16281 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16283 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16284 * Makefile.in (CXX_COMPAT_WARN): Define.
16285 * configure: Regenerate.
16287 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16290 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16293 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16295 * toplev.c: Fix thinko.
16297 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16298 Marcin Dalecki <martin@dalecki.de>
16300 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16301 (push_srcloc): Use XNEW.
16302 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16304 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16306 * df-core.c (df_set_blocks): Deleted all variable.
16308 2006-01-28 Ian Lance Taylor <ian@airs.com>
16310 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16311 cgraph_output_pending_asms.
16313 2006-01-28 Zack Weinberg <zackw@panix.com>
16315 * c.opt: Add -W(no-)overlength-strings.
16316 * doc/invoke.texi: Document it.
16317 * c-opts.c (c_common_handle_option): -pedantic implies
16318 -Woverlength-strings, if not explicitly disabled already.
16319 (c_common_post_options): -Woverlength-strings defaults to off, and
16320 is always off for C++.
16321 * c-common.c (fix_string_type): Issue warning about strings longer
16322 than is portable only if warn_overlength_strings. Rearrange code
16323 a little for clarity.
16324 * configure.in: Check for -Wno-overlength-strings as well before
16325 enabling -pedantic in stage 1.
16326 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16327 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16329 * genconditions.c (write_header, write_one_condition)
16330 (write_conditions, write_writer): Consolidate very long strings
16331 that were broken up to fit in C89 portable limit. Don't use
16332 printf when fputs will do.
16334 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16336 * combine.c (simplify_comparison <AND>): Check
16337 TRULY_NOOP_TRUNCATION before start using a subreg.
16339 * config/mips/mips.md (*branch_zero<mode>,
16340 *branch_zero<mode>_inverted, *branch_equality<mode>,
16341 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16342 Remove mode check from comparisons.
16344 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16346 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16348 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16350 * expmed.c (const_mult_add_overflow_p): Remove.
16351 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16353 * recog.c (validate_replace_rtx_subexp): Remove.
16354 * recog.h: Remove the prototype for
16355 validate_replace_rtx_subexp.
16357 * integrate.h: Remove the prototype for
16358 copy_decl_for_inlining.
16359 * rtl.h: Remove the prototype for mark_constant_function.
16360 * tree-vectorizer.h: Remove the prototype for
16361 vect_strip_conversion.
16363 * modulo-sched.c (create_partial_schedule,
16364 free_partial_schedule, reset_partial_schedule): Make them
16367 * hooks.c (hook_bool_rtx_int_false): Remove.
16368 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16370 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16372 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16373 and -mlong-double-128 are incompatible.
16374 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16375 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16376 (TARGET_LIBGCC2_CFLAGS): Define.
16377 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16378 (TARGET_LIBGCC2_CFLAGS): Same.
16379 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16381 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16384 * c-typeck.c (build_binary_op): Perform implicit casts of
16385 operands before shortening them.
16387 * cfgloopmanip.c (split_loop_bb): Remove.
16388 * cfgloop.h: Remove the prototype for split_loop_bb.
16390 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16391 * cfgloop.h: Remove the prototype for
16392 flow_loop_outside_edge_p.
16394 * emit-rtl.c (init_virtual_regs): Make it static.
16395 * function.h: Remove the prototype for init_virtual_regs.
16397 * recog.c (peephole2_optimize): Make it static.
16398 * recog.h: Remove the prototype for peephole2_optimize.
16400 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16402 * df-scan.c (df_record_entry_block_defs): Check if
16403 INCOMING_RETURN_ADDR_RTX is defined.
16405 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16406 Kenneth Zadeck <zadeck@naturalbridge.com>
16408 PR rtl-optimization/24762
16409 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16410 * targhooks.c (hook_void_bitmap): New hook prototype.
16411 * targhoohs.h (hook_void_bitmap): Ditto.
16412 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16413 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16414 * target.h (live_on_entry): New function pointer.
16415 * df-scan.c (df_all_hard_regs): Removed.
16416 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16417 (df_scan_free_internal): Added df->entry_block_defs.
16418 (df_scan_alloc): Ditto.
16419 (df_scan_dump): Ditto.
16420 (df_uses_record): Plumbed flag field properly thru calls.
16421 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16422 This part fixes PR24762.
16423 (df_bb_refs_record): Added code to make the frame and arg
16424 pointers live in EH blocks.
16425 (df_refs_record): Added call to df_record_entry_block_defs.
16426 (df_record_entry_block_defs): New function.
16427 * df-core.c: Added comments to describe new artifical defs.
16428 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16429 (entry_block_defs): New field in struct df.
16430 (df_all_hard_regs): Deleted.
16431 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16432 * df-problems.c (df_ru_bb_local_compute_process_def):
16433 Added code to handle artifical defs in the entry to a function.
16434 (df_ru_bb_local_compute): Ditto.
16435 (df_rd_bb_local_compute_process_def): Ditto.
16436 (df_rd_bb_local_compute): Ditto.
16437 (df_lr_bb_local_compute): Ditto.
16438 (df_ur_bb_local_compute): Ditto.
16439 (df_urec_bb_local_compute): Ditto.
16440 (df_chain_create_bb): Ditto.
16441 (df_ur_local_finalize): Removed entry.
16442 (df_urec_init): Ditto.
16443 (df_urec_local_finalize): Ditto.
16444 (df_ri_bb_compute): Added detection of last use of pseudos.
16445 * Makefile.in (df-scan.o): Updated dependencies.
16446 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16447 * config/mips/mips.c (mips_set_live_on_entry): Added.
16448 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16450 * dce.c (marked_insn_p): Added code to handle artifical defs.
16452 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16454 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16456 (_mm_cvtsi128_si64): Likewise.
16457 (_mm_cvtsd_si64): Likewise.
16458 (_mm_cvttsd_si64): Likewise.
16459 (_mm_cvtsi64_sd): Likewise.
16460 (_mm_cvtsi64_si128): Likewise.
16461 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16462 (_mm_cvtsi64_m64): Likewise.
16463 (_m_to_int64): Likewise.
16464 (_mm_cvtm64_si64): Likewise.
16465 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16466 (_mm_cvttss_si64): Likewise.
16467 (_mm_cvtsi64_ss): Likewise.
16468 (_mm_cvtss_f32): Likewise.
16470 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16472 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16473 for pragma redefine_extname.
16475 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16478 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16479 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16480 -mno-minimal-toc to previous content.
16481 (bispecs): Remove goal.
16482 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16483 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16484 compatibility aliases on powerpc-*-*gnu*.
16485 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16486 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16487 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16488 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16489 (ldblspecs): New goal.
16490 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16491 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16493 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16494 L_sf_to_tf or L_df_to_tf is defined.
16496 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16497 Alan Modra <amodra@bigpond.net.au>
16500 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16501 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16502 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16503 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16504 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16505 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16506 (rs6000_override_options): Initialize rs6000_ieeequad.
16507 Initialize TFmode format to ibm_extended_format if not
16509 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16511 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16512 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16513 (function_arg_advance): IBM long double passed in two FPRs, not
16515 (function_arg): IBM long double passed in FPRs.
16516 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16517 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16518 Only multireg GPR aligned.
16519 (rs6000_init_libfuncs): Enable IBM long double functions if not
16521 (rs6000_generate_compare): Use IBM long double compare if not
16523 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16524 (TARGET_IEEEQUAD): Define.
16525 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16526 not TARGET_IEEEQUAD.
16527 * config/rs6000/rs6000.md: Enable TFmode patterns if
16529 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16530 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16531 and -mlong-double-128 are incompatible.
16532 * doc/invoke.texi (-mabi): Collect options together. Add
16533 ibmlongdouble and ieeelongdouble.
16535 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16537 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16539 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16540 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16541 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16542 * rtl.h (rtunion_def): Remove rt_ptr.
16544 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16545 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16546 * config/i386/winnt.c (i386_pe_mark_dllexport)
16547 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16549 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16551 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16553 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16557 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16558 pthread_key_delete. From John David Anglin. gthrw-ify
16559 pthread_getunique_np only if it it's not a macro. Delete
16561 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16562 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16563 __gthread_objc_condition_signal, __gthread_key_delete): Add
16564 "__attribute__ ((__unused__))" to unused arguments.
16565 (__gthread_recursive_mutex_init_function): Add missing return.
16566 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16567 gthr-posix95.h: Use macro-based approach for name redirection
16568 on targets missing weakref.
16570 2006-01-26 Zack Weinberg <zackw@panix.com>
16572 * genconditions.c (write_header): In generated code, #ifdef out
16573 all includes and fake declarations, except includes of bconfig.h
16574 and system.h, unless GCC_VERSION >= 3001. Do not include
16575 gensupport.h in any case.
16576 (write_conditions): Generate a definition of struct c_test. Add
16577 a comment to the generated #endif.
16578 (write_one_condition): Escape backslashes in string too.
16579 (write_writer): Generated code must escape backslashes and quote
16580 marks (but not newlines) in the strings it writes.
16581 * Makefile.in (build/gencondmd.o): Update dependencies.
16583 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16586 * Makefile.in (insn-automata.o): Add header file dependencies.
16587 * genautomata.c: Add includes.
16589 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16592 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16594 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16596 * configure.ac: Expect target tools paths to be passed from the toplevel
16597 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16599 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16601 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16604 * c.opt (Wpointer-sign): Init to -1.
16605 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16606 OPT_pedantic, to 0 otherwise.
16607 * doc/invoke.texi: Update.
16609 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16611 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16612 constants provided by 80387 instructions in the destination mode.
16614 2006-01-26 Richard Guenther <rguenther@suse.de>
16615 Andrew Pinski <pinskia@physics.uc.edu>
16618 partial PR tree-opt/17064
16619 * tree-ssa-structalias.c (intra_create_variable_infos):
16620 Create heap variables for incoming parameters if
16621 flag_argument_noalias > 1.
16622 (find_what_p_points_to): Look through default defs of
16625 2006-01-26 Jeff Law <law@redhat.com>
16628 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16629 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16630 within the VR_RANGE, use the VR_RANGE as the result, not the
16632 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16633 bounds for the type.
16635 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16637 * tree-ssa-alias.c (maybe_create_global_var): Change
16638 subvar walking to an assertion that we don't have subvar'd variables.
16640 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16643 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16644 Use a new variable, inner. PARM_DECLs are always non-weak.
16646 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16648 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16649 --disable-checking.
16651 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16653 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16655 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16657 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16658 (smax_insn, smin_insn, smax_0, smin_0): New.
16660 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16663 * config/cris/cris.c (cris_order_for_addsi3): New function.
16664 * config/cris/cris-protos.h: Prototype it.
16665 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16666 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16667 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16668 (split for "op.S1 [rx=rx+i],ry (swapped)")
16669 (split for "op(s|u).S1 [rx=rx+i],ry")
16670 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16671 Apply cris_order_for_addsi3 when generating addsi3 insns.
16673 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16675 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16676 (TREE_BLOCK): Add call to EXPR_CHECK.
16678 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16681 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16682 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16683 (dump_omp_clauses): ... here.
16684 (dump_generic_node): Handle OMP_CLAUSE.
16685 * tree.c (omp_clause_num_ops): New.
16686 (omp_clause_code_name): New.
16687 (tree_code_size): Handle OMP_CLAUSE.
16688 (tree_size): Likewise.
16689 (make_node): Document handling of OMP_CLAUSE.
16690 (tree_node_structure): Handle OMP_CLAUSE.
16691 (omp_clause_check_failed): New.
16692 (omp_clause_range_check_failed): New.
16693 (omp_clause_operand_check_failed): New.
16694 (build_omp_clause): New.
16695 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16696 * tree.h (enum omp_clause_code): Declare.
16697 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16698 (OMP_CLAUSE_RANGE_CHECK): Define.
16699 (OMP_CLAUSE_ELT_CHECK): Define.
16700 (omp_clause_check_failed): Declare.
16701 (omp_clause_operand_check_failed): Declare.
16702 (omp_clause_range_check_failed): Declare.
16703 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16704 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16705 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16706 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16707 (OMP_CLAUSE_IF_EXPR): Likewise.
16708 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16709 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16710 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16711 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16712 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16713 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16714 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16715 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16716 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16717 (OMP_CLAUSE_CODE): Define.
16718 (OMP_CLAUSE_SET_CODE): Define.
16719 (OMP_CLAUSE_CODE): Define.
16720 (OMP_CLAUSE_OPERAND): Define.
16721 (struct tree_omp_clause): Declare.
16722 (union tree_node): Add field 'omp_clause'.
16723 * treestruct.def (TS_OMP_CLAUSE): Define.
16724 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16725 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16726 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16727 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16728 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16729 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16730 (OMP_CLAUSE): Define.
16731 * print-tree.c (print_node): Handle OMP_CLAUSE.
16732 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16733 * c-typeck.c: Likewise.
16734 * gimplify.c: Likewise.
16735 * c-omp.c: Likewise.
16736 * tree-nested.c: Likewise.
16737 * tree-inline.c: Likewise.
16738 * c-parser.c: Likewise.
16739 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16742 2006-01-25 Roger Sayle <roger@eyesopen.com>
16744 PR rtl-optimization/25703
16745 * combine.c (try_combine): Handle zero_extract and strict_low_part
16746 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16748 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16750 * global.c: Fix comment typos.
16752 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16755 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16756 Use output_addr_const instead of assemble_name.
16758 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16760 * Makefile.in (sched-vis.o): Update dependencies.
16761 * haifa-sched.c (sched_finish): Clear current_sched_info.
16762 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16763 (dump_flow_info): Call it.
16764 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16766 * basic-block.h (dump_bb_info): Declare.
16767 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16768 option, and apply options only for dump files whose TDF_RTL,
16769 TDF_TREE, or TDF_IPA bits match.
16770 * rtl.h: Declare new functions exported from sched-vis.c.
16771 * sched-vis.c: Enable also if scheduling is not used.
16772 (print_value): Print the mode of registers if not inside scheduling.
16773 (print_insn): Make it work outside the scheduler. Beautify the output
16775 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16777 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16779 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16780 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16781 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16782 depending on the value of CONSTANT_POOL_ADDRESS_P.
16783 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16785 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16786 rather than SYMBOL_REF_DECL.
16787 (rtx_constant_pool): Remove const_rtx_sym_htab.
16788 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16789 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16790 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16791 Remove handling of const_rtx_sym_htab.
16792 (find_pool_constant): Delete.
16793 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16794 rather than find_pool_constant.
16795 (get_pool_constant_for_function): Delete.
16796 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16797 find_pool_constant.
16798 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16799 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16800 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16801 (SYMBOL_REF_CONSTANT): New macro.
16802 (get_pool_constant_for_function): Delete.
16803 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16804 rather than SYMBOL_REF_DECL.
16805 (i386_pe_mark_dllimport): Likewise.
16806 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16807 rather than SYMBOL_REF_DECL.
16808 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16809 (machopic_indirect_call_target): Likewise.
16811 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16813 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16815 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16817 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16819 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16821 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16823 2006-01-24 David Daney <ddaney@avtrex.com>
16826 * configure.ac (enable_tls): New enable option.
16827 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16828 * configure: Regenerate.
16829 * doc/install.texi (--enable-tls): Document new option.
16830 (--disable-tls): Ditto.
16832 2006-01-24 Richard Henderson <rth@redehat.com>
16834 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16835 * alias.c (true_dependence): Respect it.
16836 (canon_true_dependence, write_dependence_p): Likewise.
16837 * builtins.c (get_builtin_sync_mem): Set it.
16839 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16841 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16844 2006-01-24 DJ Delorie <dj@redhat.com>
16846 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16847 for storing constants in single-bit bitfields.
16849 2006-01-25 Ben Elliston <bje@au.ibm.com>
16851 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16853 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16856 * tree-ssa-pre.c (phi_translate): Return NULL
16857 for AGGREGATE_TYPE's.
16859 2006-01-24 Zack Weinberg <zackw@panix.com>
16861 * genautomata.c (process_state_for_insn_equiv_partition):
16862 Use xcalloc for insn_arcs_array.
16863 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16864 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16866 2006-01-24 Richard Henderson <rth@redhat.com>
16868 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16869 update all callers.
16871 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16873 PR rtl-optimization/25890
16874 PR rtl-optimization/25905
16875 * combine.c (expand_compound_operation, expand_field_assignment):
16876 Fail if the bitfield's final position is out of bounds.
16878 2006-01-24 Ian Lance Taylor <ian@airs.com>
16880 PR middle-end/25930
16881 * cgraphunit.c (cgraph_output_in_order): Don't clear
16882 cgraph_asm_nodes until after asm strings have been output.
16884 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16886 * fix-header.c (read_scan_file): Add new parameter imultilib when
16887 calling register_include_chains.
16889 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16891 * omp-low.c: Update documentation.
16893 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16894 Daniel Berlin <dberlin@dberlin.org>
16898 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16899 return from the function.
16901 2006-01-22 Zack Weinberg <zackw@panix.com>
16903 * rtl.def (match_code): Add second argument.
16904 * genpreds.c (write_extract_subexp): New function.
16905 (write_match_code): Add path argument. Use write_extract_subexp.
16906 (write_predicate_expr): Pass path to write_match_code.
16907 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16908 not perform a mode test.
16909 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16910 a subexpression does not constrain the top-level code set.
16911 * read-rtl.c (read_rtx_variadic): New function.
16912 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16913 * doc/md.texi: Document new notation.
16914 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16915 (cmpsi_operand): ... here, using new notation.
16917 2006-01-22 Zack Weinberg <zackw@panix.com>
16919 * varray.c: Remove GENERATOR_FILE #ifdefs.
16921 2006-01-22 Zack Weinberg <zackw@panix.com>
16923 * genautomata.c (output_reserved_units_table): Emit nothing if
16924 description->query_units_num is zero. Remove extra blank line.
16925 (output_cpu_unit_reservation_p): Short circuit
16926 if description->query_units_num is zero.
16928 2006-01-22 Zack Weinberg <zackw@panix.com>
16930 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16931 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16932 nor any of the random handful of variables that used to be necessary
16933 when this program was linked with rtlanal.o. Prune set of forward
16934 function declarations.
16935 (struct attr_desc): Remove static_p field.
16936 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16937 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16938 (attr_string): Do not read the character one past the length of
16940 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16941 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16942 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16943 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16944 (make_automaton_attrs): New.
16945 (main): Do not call into genautomata. Call local gen_bypass
16946 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16947 Remove special case for insn_alts.
16948 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16949 varray.h (leftover from previous change). Prune set of forward
16950 function declarations. Remove state_alts fields from all
16951 structures. Remove state_alts_table from struct automaton.
16952 Make everything except main static. Do not maintain num_dfa_decls.
16953 Do not maintain state_alts fields of various structures.
16954 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16955 (add_arc): Remove state_alts argument. All callers updated.
16956 (output_reserved_units_table): Emit #ifdef here...
16957 (output_tables): ...not here. Don't generate state_alts tables.
16958 (expand_automata): Don't generate attributes.
16959 (write_automata): Don't generate state_alts functions.
16960 (main): New function.
16961 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16962 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16963 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16964 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16965 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16966 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16967 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16968 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16970 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16971 * genattrtab.h: Delete file.
16972 * Makefile.in (OBJS-common): Add insn-automata.o.
16973 (insn-automata.o): New rule.
16974 (simple_generated_c): Add insn-automata.c.
16975 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16976 (genprogmd): Add automata.
16977 (build/genattrtab): Needs no extra objects nor libraries.
16978 (build/genautomata): Needs build/vec.o and -lm.
16980 2006-01-22 Zack Weinberg <zackw@panix.com>
16982 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16983 (output_dfa_max_issue_rate, locked_states_num): Delete.
16984 (struct automaton): Add locked_states field.
16985 (output_dead_lock_vect): Save number of locked states in
16986 automaton->locked_states. If it is zero, don't print anything.
16987 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16988 (output_internal_dead_lock_func): Only test the dead_lock_vect
16989 for automata that have locked states.
16990 (output_statistics): Always print the number of locked states for
16991 each automaton. Calculate total number of locked states here.
16992 (write_automata): Don't call output_dfa_max_issue_rate.
16993 * genattrtab.c: Define length_unit_log as a const variable.
16994 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16995 max_insn_queue_index const.
16996 * final.c (length_unit_log): Declare const.
16997 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16999 2006-01-22 Zack Weinberg <zackw@panix.com>
17001 * genautomata.c: Include vec.h, not varray.h.
17002 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17003 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17004 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17005 VEC_* macros operating on appropriately typed vectors, or to
17006 malloced arrays when the size is known in advance. Const-ify
17007 many char* variables and function arguments. No functional changes.
17008 * Makefile.in (build/varray.o): Delete rule.
17009 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17010 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17012 2006-01-22 Zack Weinberg <zackw@panix.com>
17014 * gensupport.c: Define get_insn_name and record_insn_name here.
17015 (read_md_rtx): Call record_insn_name as appropriate.
17016 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17017 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17018 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17020 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17021 (BUILD_VARRAY): Delete.
17022 (genprognormal): Rename genprogmd. Fold in all programs from
17023 genprognoprint; also attrtab.
17024 (build/genattrtab): Just mention genautomata.o and varray.o.
17025 Reorganize a bit, add comments to make the categories clearer.
17027 2006-01-22 Zack Weinberg <zackw@panix.com>
17029 * genconditions.c (condition_table, add_condition): Delete.
17030 (write_conditions): Don't emit n_insn_conditions nor
17031 insn_elision_unavailable. Issue the gcc version #ifdef here,
17032 inside the table, with no #else clause ...
17033 (write_header): ...not here.
17034 (write_writer): New function.
17035 (main): Don't initialize condition_table. Use add_c_test.
17037 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17038 files on the command line.
17039 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17040 Return -1 if there is no entry in the table, don't abort.
17041 (add_c_test, traverse_c_tests): New functions.
17042 * gensupport.h (insn_elision_unavailable, insn_conditions)
17043 (n_insn_conditions): Delete declarations.
17044 (add_c_test, traverse_c_tests): Declare.
17045 * read-rtl.c: Include gensupport.h.
17046 (read_conditions): New function.
17047 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17048 (read_rtx_1): If we get EOF when we were looking for an initial
17049 open paren, return 0. Call read_conditions when appropriate.
17050 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17051 dummy-conditions.o. Eliminate references to insn-conditions.o,
17052 or change them to build/gencondmd.o, as appropriate. Remove
17053 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17054 from $(simple_generated_c). For all files remaining in those
17055 two lists, add insn-conditions.md to the generator command line.
17056 Give insn-constants.h/s-constants their own rules. Add rules
17057 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17058 (build/read-rtl.o): Depend on gensupport.h.
17059 (genprognormal): Include preds.
17060 (genprogearly): Rename genprognoprint; only difference is now that
17061 they don't link with $(BUILD_PRINT).
17062 * dummy-conditions.c: Delete.
17064 2006-01-22 Zack Weinberg <zackw@panix.com>
17066 * genextract.c: Don't include insn-config.h. Do include vec.h.
17067 Declare vectors of int, char, and locstr.
17068 (locstr): New typedef.
17069 (struct extraction): Make all array fields into bare pointers.
17070 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17071 (insn_code_number): Delete.
17072 (accum_extract): New struct.
17073 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17074 (gen_insn): Take insn_code_number as an argument. Use an
17075 accum_extract structure instead of loading data directly into
17076 a struct extraction, and having to know how big it might get.
17077 (walk_rtx): Operate entirely on an accum_extract structure.
17078 (print_path): Avoid unnecessary use of printf.
17079 (print_header): New function, split out of main. Distinguish
17080 more carefully between an unrecognizable insn and an insn that
17081 has the code number of a define_expand.
17082 (main): Pass insn_code_number to gen_insn. Call print_header
17083 only after parsing. Avoid unnecessary use of printf.
17084 * Makefile.in (build/vec.o): New rule.
17085 (build/genextract): Depend on build/vec.o.
17086 (build/genextract.o): Don't depend on insn-config.h.
17088 2006-01-22 Zack Weinberg <zackw@panix.com>
17090 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17091 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17092 practical. Eliminate per-generator-program link rules.
17094 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17096 PR middle-end/24437
17097 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17098 with a call expr to ...
17099 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17101 2006-01-23 Richard Guenther <rguenther@suse.de>
17103 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17104 before make_edge with conditional EDGE_TRUE_VALUE.
17106 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17107 Jan Hubicka <jh@suse.cz>
17108 Richard Guenther <rguenther@suse.de>
17110 PR rtl-optimization/25654
17111 * cfgexpand.c (aggregate_contains_union_type): New function.
17112 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17113 for structure variables that contain a union type.
17115 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17117 * gengtype.c (new_structure): Return the structure.
17118 (create_option): Add an extra "next" argument.
17119 (create_field): New function.
17120 (adjust_field_rtx_def): Use create_option and create_field.
17121 Remove a now-unnecessary call to find_structure.
17122 (adjust_field_tree_def): Likewise.
17123 (note_yacc_type): Remove an unnecessary call to find_structure.
17124 * gengtype.h (new_structure): Return the structure.
17125 (create_option): Add an extra argument.
17126 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17127 (option): Adjust calls to create_option.
17129 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17131 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17133 2006-01-22 Paul Brook <paul@codesourcery.com>
17134 Peter Barada <peter@the-baradas.com>
17136 * config/m68k/m68k.md: Add Coldfire FPU support.
17137 Define FP mode macro and associated attributes.
17138 Use it for float mode patterns.
17139 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17140 (LIBCALL_VALUE): Use m68k_libcall_value.
17141 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17142 (m68k_function_value): Ditto.
17143 (emit_move_sequence): Ditto.
17144 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17145 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17146 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17147 (MULTILIB_EXCEPTIONS): Ditto.
17148 * config/m68k/m68k.opt: Add mcfv4e.
17149 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17150 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17151 (m68k_output_function_prologue): Save ColdFire FPU registers.
17152 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17153 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17154 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17155 ColdFire FPU registers.
17156 (m68k_libcall_value, m68k_function_value): New functions.
17157 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17158 (LIBCALL_VALUE): Use m68k_libcall_value.
17159 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17160 (MASK_COLDFIRE): Add MASK_CFV4E.
17161 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17162 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17163 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17164 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17165 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17166 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17167 * doc/invoke.tex: Document -mcfv4e on m68k.
17169 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17171 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17174 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17177 * c-opts.c (c_common_handle_option): Don't include
17178 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17179 * doc/invoke.texi (C++ Dialect Options): Document that
17180 -Wnon-virtual-dtor is no longer included in -Wall.
17182 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17184 * gcov.c (print_version), gcov-dump.c (print_version),
17185 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17188 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17190 * df-scan.c (problem_SCAN): Added NULL reset function.
17191 (df_scan_reset_blocks): Added code to call reset block function
17192 (df_bb_refs_delete) Fixed comment.
17193 (df_insn_refs_delete): Made tolerant of deleting non existent info
17194 for dataflow problems that need to be reset.
17195 * df-core.c (df_set_blocks): Ditto.
17196 * df.h (struct df_problem): Added reset_fun.
17197 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17198 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17199 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17200 functions to clear out all references to def-use or use-def chains.
17202 2006-01-21 Ben Elliston <bje@au.ibm.com>
17204 * varasm.c (assemble_real): Initialise data array.
17206 2006-01-20 Paul Brook <paul@codesourcery.com>
17208 Merge from csl-arm-branch.
17209 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17210 * config/arm/arm.md (movdi): Force operands[1] to a register
17211 if we have a non-register source.
17212 (*arm_movdi, *movdf_soft_insn): Require that one of the
17213 operands be a register.
17214 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17215 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17217 2006-01-20 DJ Delorie <dj@redhat.com>
17219 * varasm.c (initializer_constant_valid_p): Allow pointers
17220 initialized from integer constants of lesser precision.
17221 (output_constant): Allow non-int-sized pointer modes to be
17222 initialized from integer constants.
17224 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17227 * cppdefault.h (struct default_include): Add multilib flag.
17228 * cppdefault.c (cpp_include_defaults): Set it.
17229 * c.opt (-imultilib): New option.
17230 * c-opts.c (imultilib): New.
17231 (c_common_handle_option): Handle -imultilib.
17232 (c_common_post_options): Likewise.
17233 * c-incpath.c (add_standard_paths, register_include_chains):
17235 * c-incpath.h (register_include_chains): Add extra parameter.
17236 * gcc.c (do_spec_1): Generate -imultilib option.
17237 (The Specs Language): Update %I description.
17238 (process_command): Update copyright notice.
17239 * doc/cppopts.texi (-imultilib): Document.
17240 * doc/invoke.texi (-imultilib): Include in option summary.
17241 (%I): Update specs documentation.
17243 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17245 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17247 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17249 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17252 2006-01-20 Richard Guenther <rguenther@suse.de>
17253 Steven Bosscher <stevenb.gcc@gmail.com>
17255 PR rtl-optimization/24626
17256 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17257 EDGE_TRUE_VALUE if in RTL mode.
17260 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17261 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17263 2006-01-20 Dirk Mueller <dmueller@suse.com>
17266 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17267 instead of a special NOP marker.
17268 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17269 NOP marker handling.
17270 * c-common.h (empty_body_warning): Add forward declaration.
17271 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17272 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17274 2006-01-20 Paul Brook <paul@codesourcery.com>
17276 * Makefile.in (lang_checks): Keep going if mkdir fails.
17278 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17280 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17281 be able to clean out basic block when not necessary.
17282 (df_scan_free): Fixed to properly delete information if df is
17283 unused before calling df_finish.
17284 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17285 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17287 (df_bb_refs_delete): New function.
17288 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17289 * df-core.c (df_set_blocks): Added code to properly clean out
17290 unused blocks if they are not part of the blocks to consider.
17291 Added additional null check.
17292 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17293 be able to clean out basic block when not necessary
17294 * df.h (df_free_bb_function): Ditto.
17295 (df_bb_refs_delete): New function.
17296 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17297 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17298 basic block parameter to be able to clean out basic block when not
17300 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17301 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17302 Fixed to properly delete information if df is unused before
17305 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17307 PR rtl-optimization/25799
17308 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17309 Corrected confluence operator to remove bits from op2 before oring
17310 with op1 rather than removing bits from op1.
17311 (df_ru_transfer_function): Corrected test on wrong bitmap which
17312 caused infinite loop. Both of these problems were introduced in
17313 the dataflow rewrite.
17315 2006-01-19 DJ Delorie <dj@redhat.com>
17317 * reload1.c (find_reload_regs): Note the details of reload
17318 failures in the dump file.
17319 (spill_failure): Likewise.
17321 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17323 * loop-iv.c: Include df.h and hashtab.h.
17324 (enum iv_grd_result): New enum.
17325 (DF_REF_IV, DF_REF_IV_SET): New macros.
17326 (struct biv_entry): New.
17327 (df, bivs): New global variables.
17328 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17329 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17331 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17332 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17333 analyzed_for_bivness_p, record_biv): New functions.
17334 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17335 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17336 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17338 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17340 (iv_number_of_iterations): Use new interface to iv analysis.
17341 * loop-unroll.c: Do not include varray.h.
17342 (analyze_iv_to_split_insn): Use new interface to iv
17344 * loop-unswitch.c (may_unswitch_on): Ditto.
17345 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17347 (df_bb_modify): Realloc tables to the new index.
17348 (df_find_use): New function.
17349 * df.h (df_find_use): Declare.
17350 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17352 * cfgloop.h (struct rtx_iv): Remove analysed field.
17353 (iv_get_reaching_def): Removed.
17354 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17355 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17356 (loop-iv.o): Add df.h and hashtab.h dependency.
17357 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17359 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17362 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17364 (__floatundisf, __floatundidf): Likewise.
17365 * libgcc2.h (IS_IBM_EXTENDED): Define.
17367 2006-01-19 DJ Delorie <dj@redhat.com>
17369 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17371 2006-01-19 Paul Brook <paul@codesourcery.com>
17373 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17374 as nothrow when unwinding tables are disabled.
17376 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17379 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17380 of bit-field" when in system header.
17382 2006-01-19 DJ Delorie <dj@redhat.com>
17384 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17385 the 16 bit shift limit of the m16c.
17387 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17390 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17391 * config/i386/i386.c (output_set_got): Output the label if we have one
17392 for the TARGET_DEEP_BRANCH_PREDICTION case.
17394 2006-01-19 Jan Hubicka <jh@suse.cz>
17395 H.J. Lu <hongjiu.lu@intel.com>
17396 Evandro Menezes <evandro.menezes@amd.com>
17398 * invoke.texi (generic): Document
17400 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17401 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17402 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17403 (x86_use_incdec, x86_pad_returns): New variables
17404 (TARGET_CPU_DEFAULT_generic): New constant
17405 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17406 (enum processor_type): Add generic32 and generic64.
17407 * i386.md (cpu attribute): Add generic32/generic64
17408 (movhi splitter): Behave sanely when both partial_reg_dependency and
17409 partial_reg_stall are set.
17410 (K8 splitters): Enable for generic as well.
17411 * predicates.md (incdec_operand): Use TARGET_INCDEC
17412 (aligned_operand): Avoid memory mismatch stalls.
17413 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17414 * ppro.md: Enable for generic32
17415 * i386.c (generic64_cost, generic32_cost): New.
17416 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17417 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17418 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17419 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17420 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17421 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17422 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17423 x86_accumulate_outgoing_args, x86_prologue_using_move,
17424 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17425 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17426 Enable for generic.
17427 (x86_use_incdec, x86_pad_returns): New.
17428 (override_options): Add generic32 and generic64, translate "generic"
17429 to generic32/generic64 and "i686" to "generic32", refuse
17430 "generic32"/"generic64" as arch target.
17431 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17432 (ix86_reorg): Honor PAD_RETURNS.
17434 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17436 * tree-pretty-print.c (dump_generic_node): Handle
17437 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17438 * cgraph.c (cgraph_expand_queue): Rename from
17439 cgraph_analyze_queue. Update all users.
17440 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17441 cgraph_expand_queue.
17442 (cgraph_expand_all_functions): Likewise.
17443 (cgraph_finalize_pending_functions): Remove. Update callers.
17445 * tree.h (OMP_DIRECTIVE_P): Define.
17446 (OMP_PARALLEL_FN): Define.
17447 (OMP_PARALLEL_DATA_ARG): Define.
17448 (OMP_SECTIONS_SECTIONS): Define.
17449 * tree-pass.h (pass_expand_omp): Declare.
17450 * omp-low.c (struct omp_region): Declare.
17451 (struct omp_context): Remove fields 'parallel_type',
17452 'parallel_start_ix' and 'parallel_start_additional_args'.
17454 (struct omp_for_data): Rename from struct expand_omp_for_data.
17455 (omp_regions): New static variable.
17456 (root_omp_region): New static variable.
17457 (find_omp_clause): Make static.
17458 (is_in_combined_parallel_ctx): Remove.
17459 (is_combined_parallel): New.
17460 (extract_omp_for_data): Move earlier in the file.
17461 (workshare_safe_to_combine_p): New.
17462 (get_ws_args_for): New.
17463 (determine_parallel_type): Move earlier in the file.
17464 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17466 (omp_copy_decl): Likewise.
17467 (create_omp_child_function): Likewise.
17468 (lookup_omp_region): New.
17469 (dump_omp_region): New.
17470 (debug_omp_region): New.
17471 (debug_all_omp_regions): New.
17472 (new_omp_region): New.
17473 (scan_omp_parallel): If parallel_nesting_level > 1, the
17474 directive is nested within another parallel directive.
17475 Set OMP_PARALLEL_FN.
17476 (scan_omp_for): Do not try to handle combined parallel+for
17478 Remove FIXME comment.
17479 (scan_omp_nested): Remove.
17480 (scan_omp_1): Do not call scan_omp_nested when
17481 parallel_nesting_level is > 1.
17482 Do not change the DECL_CONTEXT of local variables found.
17483 (lookup_decl_in_outer_ctx): New.
17484 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17485 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17486 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17487 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17488 If CTX is nested, lookup VAR in the outer context when
17489 building copy assignment.
17490 (lower_send_clauses): Rename from expand_send_clauses.
17491 If CTX is nested, lookup VAR in the outer context when
17492 building copy assignments.
17493 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17494 If CTX is nested, lookup VAR in the outer context when
17495 building copy assignments.
17496 (expand_parallel_call): Rename from build_parallel_call.
17497 Handle combined parallel+workshare cases.
17498 Re-implement to emit code into the CFG.
17500 (expand_omp_parallel): Re-implement to emit code into the CFG.
17501 Call move_sese_region_to_fn to outline the sub-graph
17502 containing the parallel region.
17503 (expand_omp_for_1): Remove.
17504 (expand_omp_for_generic): Re-implement to emit code into the
17506 (expand_omp_for_static_nochunk): Likewise.
17507 (expand_omp_for_static_chunk): Likewise.
17508 (expand_omp_for): Likewise.
17509 (expand_omp_sections): Likewise.
17510 (remove_exit_barriers): New.
17511 (expand_omp_synch): New.
17513 (build_omp_regions_1): New.
17514 (build_omp_regions): New.
17515 (execute_expand_omp): New.
17516 (gate_expand_omp): New.
17517 (pass_expand_omp): Define.
17518 (lower_omp_sections): Rename from expand_omp_sections.
17519 Set OMP_SECTIONS_SECTIONS.
17520 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17521 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17522 (lower_omp_single): Rename from expand_omp_simple.
17523 (lower_omp_master): Rename from expand_omp_master.
17524 (lower_omp_ordered): Rename from expand_omp_ordered.
17525 (lower_omp_critical): Rename from expand_omp_critical.
17526 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17527 (lower_omp_for): Re-implement.
17528 (lower_omp_parallel): Re-implement.
17529 (lower_regimplify): Rename from expand_regimplify.
17530 (lower_omp_1): Rename from expand_omp_1.
17531 If there are syntax errors in the program, replace every
17532 OpenMP directive with NOP.
17533 Call lower_omp_* instead of expand_omp_*.
17534 (lower_omp): Rename from expand_omp.
17536 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17537 * tree-gimple.h (enum omp_parallel_type): Remove.
17538 (gimple_boolify): Declare extern.
17539 (find_omp_clause, determine_parallel_type): Remove.
17541 * gimple-low.c (lower_omp_directive): New.
17542 (lower_stmt): Call it.
17543 (record_vars_into): Move from ...
17544 (record_vars): ... here.
17545 Call record_vars_into with current_function_decl.
17547 * gimplify.c (struct gimplify_ctx): Remove fields
17548 combined_pre_p and combined_ctxp. Update users.
17549 (get_formal_tmp_var): Add documentation.
17550 (gimple_boolify): Make extern.
17551 (gimplify_expr_in_ctx): Remove. Update callers.
17552 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17553 will always be a BIND_EXPR.
17554 (gimplify_expr): Handle OMP_RETURN_EXPR.
17555 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17556 (OMP_PARALLEL): Add 3 operands.
17557 (OMP_SECTIONS): Add 1 operand.
17558 (OMP_RETURN_EXPR): Define.
17560 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17561 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17562 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17563 creating a circular free list.
17564 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17566 * tree-flow.h (move_sese_region_to_fn): Declare.
17567 (record_vars_into): Declare.
17568 * tree-cfg.c (make_omp_sections_edges): New.
17569 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17570 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17571 OMP_SECTIONS and OMP_SECTION.
17572 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17573 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17574 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17575 (gather_blocks_in_sese_region): New.
17576 (struct move_stmt_d): Declare.
17577 (move_stmt_r): New.
17578 (move_block_to_fn): New.
17579 (move_sese_region_to_fn): New.
17581 * passes.c (init_optimization_passes): Schedule
17582 pass_expand_omp after pass_init_datastructures.
17584 * tree-ssa-operands.c (get_expr_operands): Handle
17585 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17586 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17588 2006-01-19 Jeff Law <law@redhat.com>
17590 * tree-vrp.c (extract_range_from_assert): Refine the result range
17591 if the variable referenced by the ASSERT_EXPR has a range and
17592 either the tentative result range or the previous range is a
17595 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17597 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17599 2006-01-19 Jan Hubicka <jh@suse.cz>
17601 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17603 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17605 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17606 (expand_compound_operation, expand_field_assignment): Fail if the
17607 bit lengths of an extract operation are out of range.
17608 (make_extraction): Compute wanted_inner_mode based on the position
17609 and length of the extraction. Make it extraction_mode for non-constant
17610 positions, and do not modify offset in that case. When generating a
17611 new MEM, use a mode that can hold the extraction while keeping correct
17612 alignment. Remove code that supported MEMs wrapped by USEs.
17613 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17615 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17617 * config/s390/s390.md ("Y", "y"): New mode attribute.
17618 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17619 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17620 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17621 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17622 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17623 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17624 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17625 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17626 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17627 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17628 "addsi3", "subsi3"): Insn patterns removed.
17629 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17630 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17631 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17632 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17633 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17634 "*sub<mode>3_cconly2"): New insn patterns.
17635 ("addsi3", "subsi3"): New expanders.
17637 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17639 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17640 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17641 existing STMT_VINFO_VECTYPE if available.
17642 (vect_mark_relevant): Add special handling for stmts that are
17643 marked as STMT_VINFO_IN_PATTERN_P.
17644 (vect_analyze_loop): Call vect_pattern_recog.
17645 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17646 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17648 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17649 (vect_recog_func_ptr): New function-pointer type.
17650 * tree-vect-patterns.c: New file.
17651 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17652 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17653 (vect_pattern_recog_1): New functions.
17654 (vect_pattern_recog_funcs): New array of function pointers.
17656 * tree-vectorizer.h (ternary_op): New enum value.
17657 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17658 declaration. Revised documentation. Removed redundant dump prints.
17659 Removed redundant argument. Added support for reduction patterns.
17660 (vectorizable_reduction): Added support for reduction patterns.
17661 (vect_transform_stmt): Added support for patterns.
17663 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17664 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17665 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17666 (expand_widen_pattern_expr): New function.
17667 (init_optabs): Initialize new optabs udot_prod_optab,
17669 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17670 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17671 (expand_widen_pattern_expr): New function declaration.
17672 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17674 * tree-inline.c (estimate_num_insns_1): Added cases for new
17675 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17676 * tree-pretty-print.c (dump_generic_node): Likewise.
17677 (op_prio): Likewise.
17678 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17679 * tree-ssa-operands.c (get_expr_operands): Added case for
17681 * tree-vect-patterns.c (widened_name_p): New function.
17682 (vect_recog_dot_prod_pattern): Added function implementation.
17683 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17684 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17685 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17686 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17688 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17689 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17690 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17691 (init_optabs): Initialize new optabs widen_ssum_optab,
17693 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17694 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17695 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17696 use instead of type of def.
17697 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17698 function implementation.
17699 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17700 widen_ssumv8hi): New.
17702 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17705 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17708 * c-decl.c (add_flexible_array_elts_to_size): New function.
17709 (finish_decl): Use it.
17711 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17713 * diagnostic.h: Include options.h.
17714 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17715 dependancies for diagnostic.h.
17716 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17718 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17720 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17721 (ssa_ro_call_cache_valid): Ditto.
17722 * tree-ssa-alias.c (sort_tags_by_id): New function.
17723 (init_transitive_clobber_worklist): Ditto.
17724 (add_to_worklist): Ditto.
17725 (mark_aliases_call_clobbered): Ditto.
17726 (compute_tag_properties): Ditto.
17727 (set_initial_properties): Ditto.
17728 (compute_call_clobbered): Ditto.
17729 (compute_may_aliases): Call compute_call_clobbered and grouping.
17730 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17731 (compute_flow_insensitive_aliasing): Grouping now happens in our
17733 (setup_pointers_and_addressables): Remove clobbering related code.
17734 (add_may_alias): Ditto.
17735 (replace_may_alias): Ditto.
17736 (get_nmt_for): Ditto.
17737 (create_global_var):
17738 (is_escape_site): Return an escape_type enumeration.
17739 * tree-flow-inline.h (is_call_clobbered): Global var does not
17740 imply call clobbered.
17741 (mark_call_clobbered): Take a reason for marking this. Remove
17742 marking of globalness, and cache invalidation.
17743 (clear_call_clobbered): Remove cache invalidation code.
17744 * tree-dfa.c (dump_variable): If details is on, dump the reason
17746 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17748 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17749 (struct var_ann_d): Ditto.
17750 (enum escape_type): New.
17751 (mark_call_clobbered): Adjust prototype.
17752 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17753 are never call clobbered.
17754 Record reasons for escaping.
17755 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17756 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17757 (ssa_ro_call_cache_valid): Ditto.
17758 (clobbered_v_may_defs): Ditto.
17759 (clobbered_vuses): Ditto.
17760 (ro_call_vuses): Ditto.
17761 (clobber_stats): New.
17762 (init_ssa_operands): Zero out clobber stats.
17763 (fini_ssa_operands): Print out clobber stats.
17764 (get_call_expr_operands): Pass callee fndecl to
17765 add_call_read_ops).
17766 (add_call_clobber_ops): Remove use of cache.
17767 Add use of PURE_CONST information.
17768 (add_call_read_ops): Remove use of cache.
17769 Add use of static not_read information.
17771 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17773 Introduce TLS descriptors for i386 and x86_64.
17774 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17775 (TARGET_ANY_GNU_TLS): New macro.
17776 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17777 (struct machine_function): Add tls_descriptor_call_expanded_p.
17778 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17779 (ix86_current_function_calls_tls_descriptor): Likewise.
17780 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17781 (override_options): Introduce gnu2 tls dialect.
17782 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17784 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17786 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17787 (ix86_init_machine_status): Initialize new field.
17788 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17789 (ix86_tls_module_base): New.
17790 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17791 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17792 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17793 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17794 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17795 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17796 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17797 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17798 * config/i386/predicates.md (tls_modbase_operand): New.
17799 (tp_or_register_operand): New.
17801 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17803 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17804 (look_for_address_of): Ditto.
17805 (ipa_init): Walk the function decls.
17806 (static_execute): Don't set readonly on FUNCTION_DECL's.
17808 2006-01-18 Roger Sayle <roger@eyesopen.com>
17810 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17811 for shifts where the source and destination registers are different.
17813 2006-01-18 Paul Brook <paul@codesourcery.com>
17815 Merge from csl-arm-branch.
17816 2005-03-14 Julian Brown <julian@codesourcery.com>
17817 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17818 (aeabi_llsl): Likewise.
17819 (ashrdi3): Likewise.
17820 (aeabi_lasr): Likewise.
17821 (lshrdi3): Likewise.
17822 (aeabi_llsr): Likewise.
17823 2005-03-10 Julian Brown <julian@codesourcery.com>
17824 * config.gcc: Disable shared libgcc for SymbianOS.
17825 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17827 2006-01-18 DJ Delorie <dj@redhat.com>
17829 * c-pragma.c (handle_pragma_diagnostic): New.
17830 (init_pragma): Register it.
17831 * doc/extend.texi: Document it.
17833 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17834 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17835 (diagnostic_context): Add classify_diagnostic[].
17836 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17837 as errors if they're overridden to DK_WARNING.
17838 (diagnostic_initialize): Initialize classify_diagnostic[].
17839 (diagnostic_set_kind_override): New.
17840 (diagnostic_report_diagnostic): Check for kind changes.
17841 * opts.c (common_handle_option): Take lang_mask. Update callers.
17842 Handle OPT_Werror_.
17843 * common.opt (Werror=): New.
17844 * doc/invoke.texi: Document -Werror=*
17846 2006-01-18 Jeff Law <law@redhat.com>
17848 * tree-vrp.c (test_for_singularity): Correct test for new
17849 min limit. Use operand_equal_p rather than pointer equality
17850 for testing if new min/max values are equal.
17852 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17853 using range information until after propagation and folding.
17855 2006-01-18 Richard Henderson <rth@redhat.com>
17856 Aldy Hernandez <aldyh@redhat.com>
17857 Jakub Jelinek <jakub@redhat.com>
17858 Diego Novillo <dnovillo@redhat.com>
17860 * omp-low.c: New file.
17861 * c-omp.c: New file.
17863 2006-01-18 Richard Henderson <rth@redhat.com>
17864 Jakub Jelinek <jakub@redhat.com>
17865 Diego Novillo <dnovillo@redhat.com>
17867 * doc/invoke.texi: Document -fopenmp.
17868 * tree-dump.h (debug_function): Declare.
17869 * hooks.c (hook_bool_tree_bool_false): New function.
17870 (hook_tree_tree_null): Remove.
17871 (hook_tree_tree_tree_null): New.
17872 * hooks.h: Update to match.
17873 * tree-pretty-print.c (debug_tree_chain): New.
17874 (print_generic_expr): Handle TDF_CHAIN.
17875 (dump_generic_node): Handle BLOCK.
17876 Do not abort with incomplete SWITCH_EXPRs.
17877 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17878 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17879 print space after directive name.
17880 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17881 Handle OMP_MASTER and OMP_ORDERED.
17882 Handle printing of OMP_BODY just in one place, goto
17883 dump_omp_body in the rest of OMP_* nodes that have
17885 Don't handle clause nodes here. Update omp statements to
17886 use dump_omp_clauses.
17887 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17888 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17889 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17890 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17891 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17892 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17893 Adjust output for GOMP_PARALLEL.
17894 (dump_omp_clauses): New.
17895 (print_declaration): Dump DECL_VALUE_EXPR.
17896 (op_symbol_1): Split out of op_symbol.
17897 (dumping_stmts): Remove. Update all users.
17898 * cgraph.c (cgraph_analyze_queue): New.
17899 (cgraph_add_new_function): New.
17900 * cgraph.h (cgraph_analyze_queue): Declare.
17901 (cgraph_add_new_function): Declare.
17902 (cgraph_lower_function): Remove.
17903 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17904 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17905 and TYPE_P nodes in its default clause.
17906 (empty_body_p): New.
17907 (tree_range_check_failed): New.
17908 (build5_stat): New.
17909 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17910 OMP_CLAUSE_REDUCTION_MERGE,
17911 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17912 OMP_CLAUSE_PRIVATE_DEBUG,
17913 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17914 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17915 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17916 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17917 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17918 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17919 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17920 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17921 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17922 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17923 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17924 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17925 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17926 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17927 (TREE_RANGE_CHECK): New.
17928 (empty_body_p): Declare.
17929 (enum omp_clause_default_kind): New.
17930 (build_string_literal): Declare.
17931 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17932 (build5_stat, build5): Declare.
17933 * tree-pass.h (TDF_CHAIN): Define.
17934 * tree-pass.h (PROP_gimple_lomp): Define.
17935 (pass_lower_omp): Declare.
17936 * diagnostic.h (debug_tree_chain): Declare.
17937 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17939 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17940 * builtins.c (build_string_literal): Make extern.
17941 * gcc.c (include_spec_function): New.
17942 (static_spec_functions): Add it.
17943 (main): Move load of libgomp.spec ...
17944 (LINK_COMMAND_SPEC): ... here.
17945 (link_gomp_spec): New.
17946 (static_specs): Include it.
17947 (LINK_COMMAND_SPEC): Add link_gomp.
17948 (GOMP_SELF_SPECS): New.
17949 (driver_self_specs): Include it.
17950 (switch_matches): Don't mark inline.
17951 (main): Load libgomp.spec.
17952 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17953 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17954 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17955 * tree-gimple.h (enum omp_parallel): Declare.
17956 (determine_parallel_type): Declare.
17957 (omp_firstprivatize_variable): Declare.
17958 (omp_reduction_init): Declare.
17959 (diagnose_omp_structured_block_errors): Declare.
17960 (struct walk_stmt_info): Add want_return_expr.
17961 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17962 (find_omp_clause): Declare.
17963 (insert_field_into_struct): Declare.
17964 (struct walk_stmt_info): Move from tree-nested.c
17965 (walk_stmts): Declare.
17966 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17968 * cgraphunit.c (cgraph_lower_function): Make static.
17969 (cgraph_finalize_pending_functions): New.
17970 (cgraph_finalize_function): Call it.
17971 (cgraph_finalize_compilation_unit): Likewise.
17972 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17973 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17974 (BT_FN_UINT_UINT): New.
17975 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17976 DEF_FUNCTION_TYPE_VAR_4): Document.
17977 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17978 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17979 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17980 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17981 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17982 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17983 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17984 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17985 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17986 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17987 into separate files.
17988 (DEF_GOMP_BUILTIN): New.
17989 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17990 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17991 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17992 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17993 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17994 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17995 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17996 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17997 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17998 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17999 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18000 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18001 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18002 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18003 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18004 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18005 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18006 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18007 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18008 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18009 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18010 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18011 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18012 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18013 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18014 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18015 * sync-builtins.def: New file, moved from builtins.def.
18016 * omp-builtins.def: New file, moved from builtins.def.
18017 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18018 * gimple-low.c (lower_function_body): Clear data.
18019 (lower_stmt): Do not handle COMPOUND_EXPR.
18020 Remove call to print_node_brief.
18021 * c-tree.h (c_finish_omp_clauses): New prototype.
18022 (C_DECL_THREADPRIVATE_P): Define.
18023 (lookup_name_no_remap, c_omp_remap_private): Remove
18024 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18025 (check_for_loop_decls): Update decl.
18026 (lookup_name_no_remap, c_omp_remap_private): Declare.
18027 (build_indirect_ref, build_modify_expr, pushdecl,
18028 pushdecl_top_level): Move to c-common.h.
18029 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18030 before the switch, but just in the 2 places that need it.
18031 * c-decl.c (diagnose_mismatched_decls): Do not check for
18032 mismatched thread-local attributes when OLDDECL is marked
18033 threadprivate and NEWDECL has no thread-local attributes.
18034 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18035 (c_gimple_diagnostics_recursively): Rename from
18036 c_warn_unused_result_recursively. Invoke
18037 diagnose_omp_structured_block_errors.
18038 (check_for_loop_decls): Return a singular decl found.
18039 * langhooks.c (lhd_omp_predetermined_sharing): Return
18040 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18041 (lhd_omp_firstprivatize_type_sizes): New.
18042 (lhd_omp_assignment): New.
18043 (lhd_omp_predetermined_sharing): New.
18044 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18045 (struct lang_hooks_for_types): Add
18046 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18047 omp_predetermined_sharing, omp_disregard_value_expr,
18048 omp_private_debug_clause, omp_clause_default_ctor,
18049 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18050 (c_finish_omp_clauses): New.
18051 (c_finish_bc_stmt): Diagnose break within omp for.
18052 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18053 (build_unary_op): Return error_mark after reporting
18055 (build_modify_expr): Likewise.
18056 * gimplify.c: Include optabs.h and pointer-set.h.
18057 (enum gimplify_omp_var_data): Declare.
18058 (struct gimplify_omp_ctx): Declare.
18059 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18061 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18062 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18063 (splay_tree_compare_decl_uid): New.
18064 (new_omp_context): New.
18065 (delete_omp_context): New.
18066 (gimple_add_tmp_var): Call omp_add_variable.
18067 (gimplify_bind_expr): Likewise.
18068 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18069 true, disregard DECL_VALUE_EXPR on the decl if any.
18070 (gimplify_expr_in_ctx): New.
18071 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18072 omp_add_variable, omp_notice_variable, omp_is_private
18073 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18074 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18075 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18076 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18077 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18078 gimplify_omp_atomic): New.
18079 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18080 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18081 OMP_CRITICAL and OMP_ATOMIC.
18082 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18083 * c-pragma.h (enum pragma_kind): Add
18084 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18085 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18086 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18087 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18088 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18089 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18090 PRAGMA_OMP_THREADPRIVATE.
18091 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18092 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18093 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18094 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18095 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18096 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18097 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18098 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18099 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18100 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18101 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18102 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18103 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18105 (struct nesting_info): Add field_map,
18106 suppress_expansion, debug_var_chain.
18107 (create_nesting_tree): Initialize them.
18108 (lookup_field_for_decl): Use field_map.
18109 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18110 (convert_local_omp_clauses): New.
18111 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18112 (walk_body): Split out of walk_function.
18113 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18114 (convert_nonlocal_reference): Handle omp statements.
18115 (convert_local_reference): Likewise.
18116 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18117 (unnest_nesting_tree): New.
18118 (lower_nested_functions): Call it.
18119 (insert_field_into_struct): Make extern.
18120 (struct walk_stmt_info): Move to tree-gimple.h.
18121 (walk_stmts): Make extern.
18122 * omp-builtins.def: New file.
18123 * tree-iterator.c (expr_only): Clarify comment.
18124 * c-common.h (pushdecl_top_level, pushdecl,
18125 build_modify_expr, build_indirect_ref,
18126 c_finish_omp_master, c_finish_omp_critical,
18127 c_finish_omp_ordered, c_finish_omp_barrier,
18128 c_finish_omp_atomic, c_finish_omp_flush,
18129 c_finish_omp_for, c_split_parallel_clauses,
18130 omp_clause_default_kind, c_omp_sharing_predetermined,
18131 c_omp_remap_decl): Declare.
18132 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18133 (OBJS-common): Add omp-low.o.
18134 (c-omp.o, omp-low.o): Add.
18135 (gimplify.o): Add dependency on $(OPTABS_H).
18136 (GTFILES): Add omp-low.c.
18137 (gt-stringpool.h): Add.
18138 * tree-cfg.c (set_bb_for_stmt): Do not update the
18139 block-to-labels map if we are currently expanding to RTL.
18140 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18142 Handle IDENTIFIER_NODE.
18143 (tree_verify_flow_info): Do not ICE when emitting error
18144 messages about invalid labels.
18145 (dump_function_to_file): Reset CFUN before emitting the body
18147 (debug_function): New.
18148 * passes.c (init_optimization_passes): Schedule
18150 * langhooks-def.h (lhd_omp_predetermined_sharing,
18151 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18153 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18154 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18155 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18156 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18157 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18158 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18159 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18160 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18161 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18162 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18163 (LANG_HOOK_DECLS): Use them.
18165 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18166 Richard Henderson <rth@redhat.com>
18167 Jakub Jelinek <jakub@redhat.com>
18168 Diego Novillo <dnovillo@redhat.com>
18170 * c-parser.c (pragma_omp_clause): Define.
18171 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18172 (c_parser_compound_statement): Likewise.
18173 (c_parser_statement): Likewise.
18174 (c_parser_pragma): Handle omp pragmas.
18175 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18176 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18177 (c_parser_omp_clause_name, check_no_duplicate_clause,
18178 c_parser_omp_variable_list,
18179 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18180 c_parser_omp_clause_copyprivate,
18181 c_parser_omp_clause_default,
18182 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18183 c_parser_omp_clause_lastprivate,
18184 c_parser_omp_clause_nowait,
18185 c_parser_omp_clause_num_threads,
18186 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18187 c_parser_omp_clause_reduction,
18188 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18189 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18190 c_parser_omp_atomic, c_parser_omp_barrier,
18191 c_parser_omp_critical, c_parser_omp_flush,
18192 c_parser_omp_for_loop, c_parser_omp_for,
18193 c_parser_omp_master, c_parser_omp_ordered,
18194 c_parser_omp_sections_scope, c_parser_omp_sections,
18195 c_parser_omp_parallel, c_parser_omp_single,
18196 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18197 * c-pragma.c (init_pragma): Do omp pragma registration here.
18198 * c.opt (fopenmp): New flag.
18200 2006-01-18 Eric Christopher <echristo@apple.com>
18202 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18203 * config/darwin.h (GOMP_SELF_SPECS): Define.
18205 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18207 * rtl.h: Remove the prototype for reg_alloc.
18209 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18212 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18213 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18214 sjlj and dwarf2 exception handling.
18215 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18216 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18217 * pa/pa.c (function_value): Treat complex and vector types as
18219 (function_arg): Likewise. Only pass scalar floats in the floating
18220 point argument registers.
18221 * pa/t-slibgcc-dwarf-ver: New file.
18222 * pa/t-slibgcc-sjlj-ver: New file.
18223 * pa/t-slibgcc-elf-ver: Delete file.
18225 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18227 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18228 unlikely_test_section_p test.
18230 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18232 * mode-switching.c (optimize_mode_switching): Make it static.
18233 * basic-block.h: Remove the prototype for
18234 optimize_mode_switching.
18236 * modulo-sched.c (sms_schedule): Make it static.
18237 * rtl.h: Remove the prototype for sms_schedule.
18239 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18240 * rtl.h: Remove the prototype for gcse_after_reload_main.
18242 * reg-stack.c (reg_to_stack): Make it static.
18243 * rtl.h: Remove the prototype for reg_to_stack.
18245 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18247 * rtl.h: Remove the prototypes for regrename_optimize and
18248 copyprop_hardreg_forward.
18250 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18252 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18253 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18254 Test against the appropriate null constant for the mode.
18255 If 'fixup_overlap' is true, swap the operands if they overlap.
18256 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18257 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18258 alpha_split_tmode_pair and adjust for above change.
18259 * config/alpha/alpha.md (movtf_internal): Adjust call to
18260 alpha_split_tfmode_pair and rely on it to swap the operands.
18261 (movti_internal): New insn and post-reload splitter.
18262 (movti): New expander.
18264 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18266 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18269 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18271 * rtlanal.c (global_reg_mentioned_p_1,
18272 global_reg_mentioned_p): Remove.
18273 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18275 * flow.c (initialize_uninitialized_subregs): Make it static.
18276 * rtl.h: Remove the prototype for
18277 initialize_uninitialized_subregs.
18279 * function.c (instantiate_virtual_regs): Make it static.
18280 * function.h: Remove the prototype for
18281 instantiate_virtual_regs.
18283 * regmove.c (regmove_optimize, combine_stack_adjustments):
18285 * rtl.h: Remove the prototypes for regmove_optimize and
18286 combine_stack_adjustments.
18288 2006-01-17 Roger Sayle <roger@eyesopen.com>
18290 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18291 (size_cost): Encode costs in bytes so that a reg-reg addition is
18292 equivalent to COSTS_N_INSNS(1).
18293 (override_options): Use the size_cost.branch_cost as the default
18294 ix86_branch_cost when optimizing for size.
18296 2006-01-18 Ben Elliston <bje@au.ibm.com>
18298 * Makefile.in (D32PBIT_FUNCS): New.
18299 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18300 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18301 D64PBIT_FUNCS and D128PBIT_FUNCS.
18302 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18303 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18305 (decnumber_dep): Define.
18306 * doc/libgcc.texi (Decimal float library routines): New node.
18307 * config/dfp-bit.h, config/dfp-bit.c: New files.
18309 2006-01-18 Ben Elliston <bje@au.ibm.com>
18311 * expr.c (emit_move_change_mode): Always adjust addresses, not
18312 just during reload. Copy replacements only during reload.
18313 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18314 emit_move_via_integer.
18316 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18318 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18319 instead of $(srcdir) and ${srcdir}.
18321 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18324 PR middle-end/11135
18325 * arm.h (struct machine_function): Add pic_reg.
18326 * arm.c (arm_pic_register): Make unsigned.
18327 (arm_override_options): Only set arm_pic_register if
18328 TARGET_SINGLE_PIC_BASE.
18329 (use_return_insn): Only test for a pic register if it is fixed.
18330 (arm_compute_save_reg0_reg12_mask): Likewise.
18331 (thumb_compute_save_reg_mask): Likewise.
18332 (legitimate_pic_operand): Factor out some known invariants.
18333 (legitimize_pic_address): If we don't have a fixed pic register,
18334 then set up a pseudo in the function entry sequence. Handle the
18335 pic base being in a pseudo.
18336 (arm_load_pic_register): Handle the pic register being in a pseudo.
18337 (arm_expand_prologue): Only set up the pic register if it is fixed.
18338 (thumb_expand_prologue): Likewise.
18339 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18340 (pic_load_addr_based_insn): Likewise.
18341 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18344 2006-01-18 Ben Elliston <bje@au.ibm.com>
18346 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18347 decimal float modes for all floating point registers.
18349 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18350 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18352 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18355 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18356 even when the pointer is not NULL.
18358 2006-01-16 Ian Lance Taylor <ian@airs.com>
18360 * common.opt (ftoplevel-reorder): New option.
18361 * cgraph.c (cgraph_asm_nodes): New global variable.
18362 (cgraph_asm_last_node): New static variable.
18363 (cgraph_order): New global variable.
18364 (cgraph_create_node): Set new order field.
18365 (cgraph_varpool_node): Likewise.
18366 (decide_is_variable_needed): Return true if not
18367 flag_toplevel_reorder.
18368 (cgraph_add_asm_node): New function.
18369 * cgraph.h (struct cgraph_node): Add order field.
18370 (struct cgraph_varpool_node): Add order field.
18371 (struct cgraph_asm_node): Define.
18372 (cgraph_asm_nodes, cgraph_order): Declare.
18373 (cgraph_add_asm_node): Declare.
18374 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18376 (cgraph_varpool_assemble_pending_decls): Call it.
18377 (cgraph_output_pending_asms): New static function.
18378 (cgraph_finalize_compilation_unit): Call it.
18379 (struct cgraph_order_sort): Define.
18380 (cgraph_output_in_order): New static function.
18381 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18382 !flag_toplevel_reorder case.
18383 * c-parser.c: Include "cgraph.h".
18384 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18386 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18387 than -fno-unit-at-a-time.
18388 * doc/invoke.texi (Option Summary): Mention
18389 -fno-toplevel-reorder.
18390 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18391 -funit-at-a-time documentation.
18393 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18394 Kazu Hirata <kazu@codesourcery.com>
18396 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18398 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18400 * Makefile.in (FUNCTION_H): New. Use it instead of
18401 function.h throughout the file.
18402 * function.h: Include tree.h.
18404 2006-01-17 Ben Elliston <bje@au.ibm.com>
18406 * recog.c: Separate some functions with whitespace.
18408 2006-01-16 Richard Henderson <rth@redhat.com>
18410 Merge from gomp branch:
18411 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18412 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18413 and rename from struct inline_data. Rename callee* to dst*;
18414 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18415 transform_new_cfg, transform_return_to_modify, and
18416 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18418 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18419 (copy_decl_for_dup): Remove.
18420 * tree-inline.c (struct inline_data): Move to header.
18421 (insert_decl_map): Export.
18422 (remap_decl): Update for member name changes. Use copy_decl hook.
18423 Allow for replacement to be a non-decl. Remove dead code.
18424 (remap_type_1): Check for existing mapping.
18425 (remap_type): Export.
18426 (remap_decls): Update for member name changes.
18427 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18428 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18429 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18430 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18431 (tree_function_versioning, build_duplicate_type): Likewise.
18432 (copy_body_r): Likewise. Export.
18433 (copy_decl_for_dup): Split into ...
18434 (copy_decl_for_dup_finish, copy_decl_to_var,
18435 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18436 (replace_ref_tree, inlining_p): Remove.
18438 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18440 * ifcvt.c (if_convert): Make it static.
18441 * rtl.h: Remove the prototype for if_convert.
18443 * local-alloc.c (local_alloc): Make it static.
18444 * rtl.h: Remove the prototype for local_alloc.
18446 * loop.c (loop_optimize): Make it static.
18447 * cfgloop.h: Remove the prototype for loop_optimize.
18450 2006-01-16 DJ Delorie <dj@redhat.com>
18452 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18455 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18457 * pa.md: Disparage copies between general and floating-point registers
18458 in 32-bit move patterns.
18460 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18463 * Makefile.in (check-%): Depend on site.exp instead of
18464 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18467 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18469 * global.c (global_alloc): Make it static.
18470 * rtl.h: Remove the prototype for global_alloc.
18472 2006-01-16 Richard Guenther <rguenther@suse.de>
18474 * tree-ssa-alias.c (struct used_part): Add write_only field.
18475 (get_or_create_used_part_for): Initialize it to true.
18476 (create_overlap_variables_for): Don't create structure variables
18477 for structures that only are written to.
18478 (find_used_portions): Handle MODIFY_EXPR to track whether a
18479 structure is only written to.
18481 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18483 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18485 * basic-block.h: Remove the prototype for
18486 partition_hot_cold_basic_blocks.
18488 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18490 * cppspec.c (lang_specific_spec_functions): Remove.
18491 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18492 * gcc.h (lang_specific_spec_functions): Remove.
18493 * gccspec.c (lang_specific_spec_functions): Remove.
18495 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18497 * combine.c (record_value_for_reg): Invalidate registers
18499 (record_dead_and_set_regs_1): Likewise, by passing them to
18500 record_value_for_reg.
18501 (record_dead_and_set_regs): Invalidate stores made by a
18502 call. We do not combine across a call, but we still
18503 relied on equivalences.
18505 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18507 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18508 vrp_int_const_binop returning non-constant nodes.
18510 2006-01-16 Paul Brook <paul@codesourcery.com>
18512 * config/m68k/m68k.c (output_move_const_into_data_reg):
18513 Output correct mnemonic for mvz and mvs.
18515 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18517 * rtl-factoring.c: Add sequence abstraction algorithm.
18518 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18519 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18521 (block_has_preserve_label): New function.
18522 * common.opt: Register new pass.
18523 * Makefile.in: Ditto.
18525 * timevar.def: Ditto.
18526 * tree-pass.h: Ditto.
18527 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18528 * rtl.h (make_jump_insn_raw): Add forward decl.
18529 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18531 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18532 Roger Sayle <roger@eyesopen.com>
18534 * fold-const.c (fold_minmax): New static function.
18535 (fold_binary) <MIN_EXPR>: Call it.
18536 <MAX_EXPR>: Likewise.
18537 * stor-layout.c (place_field): Use DECL_SIZE consistently
18538 in the computation of the new record size.
18540 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18542 * cse.c (cse_condition_code_reg): Make it static.
18543 * rtl.h: Remove the prototype for cse_condition_code_reg.
18545 * combine.c (combine_instructions): Make it static.
18546 * rtl.h: Remove the prototype for combine_instructions.
18548 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18551 * tree.c (get_file_function_name_long): Concatenate the first global
18552 object name with a string derived from the input filename of the object
18555 2006-01-16 Ben Elliston <bje@au.ibm.com>
18557 * config/i386/winnt-stubs.c: Update FSF address.
18558 * config/xtensa/ieee754-df.S: Ditto.
18559 * config/xtensa/ieee754-sf.S: Ditto.
18561 2006-01-14 Ian Lance Taylor <ian@airs.com>
18563 * ifcvt.c (noce_init_if_info): New static function, broken out of
18564 noce_process_if_block.
18565 (noce_process_if_block): Call noce_init_if_info.
18566 (check_cond_move_block): New static function.
18567 (cond_move_process_if_block): New static function.
18568 (process_if_block): Call cond_move_process_if_block.
18570 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18572 * cselib.c (hash_table): Rename to cselib_hash_table.
18573 (cselib_clear_table, discard_useless_values,
18574 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18575 cselib_init, cselib_finish): Adjust uses of hash_table.
18577 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18579 PR tree-optimization/25485
18580 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18581 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18582 is known to be false and true, respectively.
18584 2006-01-14 Richard Guenther <rguenther@suse.de>
18586 PR tree-optimization/22548
18587 PR tree-optimization/22555
18588 PR tree-optimization/22501
18589 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18590 * params.def (salias-max-array-elements): New parameter.
18591 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18592 * doc/invoke.texi (salias-max-array-elements): Document.
18593 * tree-flow-inline.h (var_can_have_subvars): We also handle
18595 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18597 * tree-ssa-structalias.c (params.h): Include.
18598 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18599 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18600 (get_constraint_for): For ADDR_EXPR operating on something
18601 containing an ARRAY_REF, add all subvars to the solution.
18602 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18603 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18604 for creating MUST_DEFs.
18605 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18607 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18609 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18611 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18612 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18613 number_of_iterations_le): New functions.
18614 (number_of_iterations_special): Removed.
18615 (number_of_iterations_exit): Do not use number_of_iterations_special.
18616 * tree.c (unsigned_type_for): Always return integer type.
18618 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18619 Richard Guenther <rguenther@suse.de>
18621 PR rtl-optimization/24257
18622 * gcse.c (find_moveable_store): Only consider a store movable
18623 when the SET_SRC of the insn can be assigned to a register.
18625 2006-01-14 Ian Lance Taylor <ian@airs.com>
18627 * tree.c (tree_not_class_check_failed): New function.
18628 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18629 (tree_not_class_check_failed): Declare.
18631 2006-01-13 Ian Lance Taylor <ian@airs.com>
18633 * reload1.c (do_output_reload): Add assertion rejecting a
18636 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18638 * combine.c (struct reg_stat): Add new fields truncation_label and
18640 (record_value_for_reg): Reset truncated_to_mode.
18641 (record_truncated_value): New function.
18642 (check_promoted_subreg): Call it. Rename to check_conversions.
18643 (combine_instructions): Rename check_promoted_subreg to
18645 (reg_truncated_to_mode): New function.
18646 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18647 (gen_lowpart_or_truncate): New function.
18648 (force_to_mode): Use it instead of gen_lowpart.
18650 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18652 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18653 VAR is a tag, not its type tag.
18655 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18657 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18658 alternatives to match style of other entries.
18659 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18661 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18663 PR tree-optimization/25771
18664 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18667 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18670 * tree-inline.c (declare_return_variable): If the return variable
18671 was marked as a non gimple complex, set the return slot variable
18672 to be a non gimple comple variable.
18674 2006-01-13 Richard Guenther <rguenther@suse.de>
18676 * builtins.c (expand_builtin_sincos): New function.
18677 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18679 (expand_builtin): Expand sincos using expand_builtin_sincos.
18681 2006-01-12 DJ Delorie <dj@redhat.com>
18683 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18684 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18685 so that constant shifts can be split.
18686 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18687 (m32c_valid_pointer_mode): Make static.
18688 (shift_gen_func_for): New.
18689 (m32c_prepare_shift): Use it. Split large const shifts into
18691 * config/m32c/predicates.md (shiftcount_operand): Allow more
18693 (longshiftcount_operand): New.
18694 * doc/md.texi (Machine Constraints): Document In6.
18696 2006-01-13 Ben Elliston <bje@au.ibm.com>
18698 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18699 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18702 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18704 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18705 to try to avoid clobbering pieces of structures when we know
18706 something about the whole structure.
18707 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18709 2006-01-13 Ben Elliston <bje@au.ibm.com>
18711 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18712 return in memory, as this is no limitation is no longer present.
18714 2006-01-12 DJ Delorie <dj@redhat.com>
18716 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18717 mova with fb, and for fb+0 -> An.
18719 * config/m32c/mov.md (peephole2): Fix enabling logic.
18721 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18722 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18723 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18724 FINI_ARRAY_SECTION_ASM_OP): Define.
18726 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18728 (m32c_legitimize_reload_address): New logic to reload FB to An.
18729 (m32c_output_reg_push): Add newline.
18730 (m32c_output_reg_pop): Likewise.
18732 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18734 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18736 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18738 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18742 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18745 2006-01-11 Ben Elliston <bje@au.ibm.com>
18747 * rtlanal.c (find_reg_note): Assert insn is not null.
18749 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18751 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18754 2006-01-11 Jeff Law <law@redhat.com>
18756 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18758 (mark_threaded_blocks, register_jump_thread): New functions.
18759 (thread_through_all_blocks): Remove unwanted argument. No
18760 longer rely on e->aux to communicate thread target info.
18761 Call mark_threaded_blocks. Release the threaded_blocks
18762 bitmap and threaded_edges vector when complete.
18763 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18764 (threaded_blocks): Remove.
18765 (tree_ssa_dominator_optimize): Remove initialization and
18766 finalization of threaded_blocks. Simplify call to
18767 thread_through_all_blocks.
18768 (thread_across_edge): Call register_jump_thread rather than
18769 storing thread information into e->aux.
18770 (free_all_edge_infos): Simplify now that e->aux is no longer
18771 used to communicate with thread_through_all_blocks.
18772 * tree-flow.h (thread_through_all_blocks): Update prototype.
18773 (register_jump_thread): Prototype.
18775 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18777 * df-core.c (df_compact_blocks, df_bb_replace): Use
18778 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18780 2006-01-11 Richard Guenther <rguenther@suse.de>
18782 PR tree-optimization/25734
18783 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18784 stop propagation after successful propagation to the LHS.
18786 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18788 * basic-block.h (control_flow_graph): Change the type of
18789 x_basic_block_info to VEC(basic_block,gc) *.
18790 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18792 (SET_BASIC_BLOCK): New.
18793 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18794 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18795 * cfgbuild.c (find_basic_blocks): Likewise.
18796 * cfglayout.c (fixup_reorder_chain): Likewise.
18797 * cfgrtl.c (create_basic_block_structure,
18798 rtl_create_basic_block): Likewise.
18799 * ifcvt.c (find_if_case_1): Likewise.
18800 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18803 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18805 * Makefile.in: Removed rotted odf.c entry.
18807 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18810 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18811 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18812 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18813 output pattern modifier, not %e.
18814 * config/cris/cris.c (cris_op_str): Update comment about pattern
18816 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18817 before falling through into...
18818 <case 'E'>: Redefined from old 'e' case.
18820 2006-01-11 Jan Hubicka <jh@suse.cz>
18823 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18825 2006-01-11 Jan Hubicka <jh@suse.cz>
18827 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18828 * i386.c (x86_decompose_lea): Kill.
18829 (ix86_rtx_costs): Kill.
18831 2006-01-11 Jan Hubicka <jh@suse.cz>
18833 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18834 * cgraph.h (cgraph_node): Add inline_decl.
18835 (cgraph_insert_node_to_hashtable): Declare.
18836 (save_inline_function_body): Declare.
18837 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18839 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18840 (cgraph_function_versioning): Update call of tree_function_versioning.
18841 (save_inline_function_body): New function.
18842 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18843 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18844 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18845 (cgraph_default_inline_p): Likewise.
18846 (cgraph_decide_inlining_incrementally): Likewise.
18847 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18848 (copy_bb): Kill saving; do updating of clones.
18849 (copy_cfg_body): Kill saving.
18850 (initialize_inlined-parameters): Likewise.
18851 (expand_call_inline): Likewise.
18853 (tree_function_versioning): New parameter "update_clones".
18854 (inlining_p): Kill saving.
18855 * tree-inline.h (tree_function_versioning): Update prototype.
18856 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18859 2006-01-11 Ian Lance Taylor <ian@airs.com>
18861 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18862 Allow undoing set of machine mode.
18863 (do_SUBST): Use enums instead of is_int.
18864 (do_SUBST_MODE): New function.
18865 (SUBST_MODE): New macro.
18866 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18867 reg and trying to replace reg_regno_rtx with a new register.
18868 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18869 (simplify_set): Use SUBST_MODE.
18870 (distribute_notes): Remove code that tried to update reg notes
18871 for regno_reg_rtx changes.
18873 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18875 PR tree-optimization/23109
18876 PR tree-optimization/23948
18877 PR tree-optimization/24123
18879 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18880 * tree-cfg.c (single_noncomplex_succ): New.
18881 * tree-flow.h (single_noncomplex_succ): Declare it.
18882 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18883 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18884 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18885 insert_bb, register_division_in, insert_reciprocals,
18886 replace_reciprocal, free_bb): New.
18887 (execute_cse_reciprocals_1): Rewritten.
18888 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18889 Do not commit any edge insertion. Always compute dominators and
18890 create the allocation pool.
18891 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18892 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18893 * targhooks.c (default_min_divistions_for_recip_mul): New.
18894 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18895 * passes.c (init_optimization_passes): Run recip after tree loop
18897 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18899 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18900 Kenneth Zadeck <zadeck@naturalbridge.com>
18902 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18903 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18904 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18905 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18906 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18907 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18908 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18909 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18910 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18911 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18912 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18913 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18914 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18915 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18916 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18917 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18918 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18919 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18920 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18921 DF_SCAN_POST_ALLOC): New macros.
18922 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18923 df_free_bb_function, df_local_compute_function, df_init_function,
18924 df_dataflow_function, df_confluence_function_0,
18925 df_confluence_function_n, df_transfer_function,
18926 df_finalizer_function, df_free_function, df_dump_problem_function,
18927 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18928 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18929 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18930 df_urec_bb_info, ) New types.
18931 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18933 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18934 df_analyze_simple_change_some_blocks,
18935 df_analyze_simple_change_one_block, df_compact_blocks,
18936 df_bb_replace, df_bb_regno_last_use_find,
18937 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18938 df_insn_regno_def_p, df_find_def, df_find_use,
18939 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18940 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18941 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18942 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18943 debug_df_chain, df_get_dependent_problem, df_chain_create,
18944 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18945 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18946 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18947 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18948 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18949 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18950 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18951 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18952 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18953 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18954 df_reorganize_refs, df_set_state, df_hard_reg_init,
18955 df_read_modify_subreg_p) New public functions.
18956 * df-core.c: The core dataflow solver and glue routines for rtl
18958 (df_init, df_add_problem, df_set_blocks, df_finish,
18959 df_hybrid_search_forward, df_hybrid_search_backward,
18960 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18961 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18962 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18963 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18964 df_reg_defined, df_find_use, df_reg_used, df_dump,
18965 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18966 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18967 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18968 debug_df_useno, reset_df_after_reload): New functions.
18969 * df-scan.c: The scanning fuctions, once in df.c, completely
18970 rewritten so that they now fully model the functionality of
18971 register usage at the backend.
18972 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18973 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18974 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18975 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18976 df_get_artificial_defs, df_get_artificial_uses,
18977 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18978 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18979 df_refs_delete, df_reorganize_refs, df_set_state,
18980 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18981 df_def_record_1, df_defs_record, df_uses_record,
18982 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18983 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18984 df_record_exit_block_uses, df_hard_reg_init): New functions.
18986 * df-problems.c: Seven concrete dataflow problems that use the
18987 scanning in df-scan.c and are solved by the engine in df-core.c.
18988 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18989 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18990 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18991 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18992 df_ru_free_bb_info, df_ru_alloc,
18993 df_ru_bb_local_compute_process_def,
18994 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18995 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18996 df_ru_transfer_function, df_ru_free, df_ru_dump,
18997 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18998 df_rd_free_bb_info, df_rd_alloc,
18999 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19000 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19001 df_rd_transfer_function, df_rd_free, df_rd_dump,
19002 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19003 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19004 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19005 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19006 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19007 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19008 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19009 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19010 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19011 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19012 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19013 df_urec_mark_reg_use_for_earlyclobber,
19014 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19015 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19016 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19017 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19018 df_chain_create_bb_process_use, df_chain_create_bb,
19019 df_chain_finalize, df_chain_free, df_chains_dump,
19020 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19021 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19022 df_reg_lifetime): New functions.
19023 * df.c: Deleted file.
19024 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19025 consistent with new df api.
19026 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19027 rest_of_handle_sms): Ditto.
19028 * web.c (unionfind_union, union_defs, entry_register, web_main):
19030 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19031 invariant_expr_equal_p, find_defs, check_dependencies,
19032 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19033 free_inv_motion_data, move_loop_invariants): Ditto.
19034 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19035 Update dependencies.
19036 (odf.c): Added defective entry that was deleted later in day.
19037 * sched-deps.c (sched_analyze_1): Ditto.
19039 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19041 * tree-ssa-operands.c (get_expr_operands): Record addressable
19042 variables directly. Do not call add_stmt_operands for CONST_DECLs
19044 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19045 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19047 2006-01-11 Ben Elliston <bje@au.ibm.com>
19049 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19050 function returns true in the positive case.
19052 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19055 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19056 for SI, DI, SF and DF modes. Add alternatives to copy between
19057 general and floating point registers to the 32-bit patterns.
19058 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19059 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19060 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19061 generating 64-bit code.
19062 * config/pa/pa.c (output_move_double): Handle copies between general
19063 and floating registers.
19065 2006-01-10 Stuart Hastings <stuart@apple.com>
19067 * config/i386/i386.md (set_got): Update.
19068 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19069 (builtin_setjmp_receiver): Mach-O support.
19070 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19071 (GOT_SYMBOL_NAME): Define.
19072 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19073 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19074 * config/i386/i386.c (override_options): Revise for Darwin.
19075 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19076 support. (darwin_x86_file_end): New. (output_set_got): Add label
19077 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19078 * config/i386/i386-protos.h (output_set_got): Likewise.
19079 * config/darwin.c (machopic_legitimize_pic_address): Update
19082 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19084 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19085 when MODE isn't BLKmode.
19087 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19089 PR rtl-optimization/25367
19090 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19092 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19095 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19096 for a negative bound.
19098 2006-01-10 Richard Guenther <rguenther@suse.de>
19100 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19101 Never override with anything constraint.
19103 2006-01-10 Jan Beulich <jbeulich@novell.com>
19105 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19106 256 bits when optimize_size.
19108 2006-01-10 Jan Beulich <jbeulich@novell.com>
19110 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19112 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19113 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19116 2006-01-10 Ben Elliston <bje@au.ibm.com>
19118 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19120 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19121 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19122 (USE_FP_FOR_ARG): Reject decimal float modes.
19123 (function_arg_advance): Likewise.
19124 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19125 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19126 point types in AltiVec vectors.
19127 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19128 (rs6000_libcall_value): Likewise.
19130 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19132 * config/xtensa/ieee754-df.S: New file.
19133 * config/xtensa/ieee754-sf.S: New file.
19134 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19135 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19136 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19138 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19140 * config/sh/predicates.md (binary_float_operator,
19141 binary_logical_operator, commutative_float_operator,
19142 equality_comparison_operator, greater_comparison_operator,
19143 less_comparison_operator, logical_operator,
19144 noncommutative_float_operator, shift_operator,
19145 symbol_ref_operand, unary_float_operator): Remove redundant
19148 2006-01-09 Jeff Law <law@redhat.com>
19150 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19151 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19152 now unused arguments. Callers updated.
19153 (eliminate_redundant_computations): Remove now unused arguments,
19155 (local_fold): Remove, no longer used.
19156 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19158 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19159 (simplify_cond): New function.
19160 (forward_propagate_into_cond): Call simplify_cond.
19162 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19164 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19165 (*vec_extractv2di_1_sse): New.
19167 2006-01-09 Ben Elliston <bje@au.ibm.com>
19169 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19171 2006-01-08 Richard Guenther <rguenther@suse.de>
19173 * tree-ssa-structalias.c (get_constraint_for): Remove
19174 anyoffset argument.
19175 (get_constraint_for_component_ref): Likewise.
19176 (do_deref): Likewise.
19177 (get_constraint_for): Likewise.
19178 (do_structure_copy): Likewise.
19179 (handle_ptr_arith): Likewise.
19180 (find_func_aliases): Likewise. Remove unused need_anyoffset
19183 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19184 Kaz Kojima <kkojima@gcc.gnu.org>
19186 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19187 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19188 (EXTRA_CONSTRAINT_C16): Remove.
19189 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19190 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19191 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19192 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19193 constants of SHmedia. Handle nested constant expressions of
19195 (andcosts): Fix the costs for SHmedia constants.
19196 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19197 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19198 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19199 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19200 (movv4hi_i, movv2si_i): Likewise.
19201 (movsi_const): Adjust the second operand of ior so to match with
19202 the Csu constraint.
19203 (movdi_const, movdi_const_32bit): Likewise.
19204 (movdi_const_16bit+1): Don't sign-extend LOW.
19205 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19207 (*double_shori): Fix the split condition. Use GEN_INT instead
19208 of get_int_mode calls. Mask lower 16-bit of the argument of
19210 (sym2GOTPLT): Remove.
19211 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19213 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19214 instead of EXTRA_CONSTRAINT_C16.
19216 2006-01-07 Ian Lance Taylor <ian@airs.com>
19217 David Edelsohn <edelsohn@gnu.org>
19219 PR rtl-optimization/25662
19220 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19221 for constant operands instead of simplify_gen_binary.
19222 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19223 after trying simplify_binary_operation
19225 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19227 * tree.c (iterative_hash_expr): Hash decls based on UID.
19229 2006-01-06 Eric Christopher <echristo@apple.com>
19231 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19232 (TARGET_UNWIND_EMIT): Fix spelling.
19233 * target.h (gcc_target): Add except_table_label.
19234 * except.c (output_function_exception_table): Use.
19235 * varasm.c (default_emit_except_table_label): New.
19236 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19238 (asm_out): Add here.
19239 * output.h (default_emit_except_table_label): Prototype.
19240 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19241 * config/darwin.c (darwin_emit_except_table_label): Define.
19242 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19244 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19246 PR tree-optimization/18527
19247 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19248 number_of_iterations_special, number_of_iterations_exit):
19249 Move base and step of an iv to a single structure. Add
19250 no_overflow flag, and use it in # of iterations analysis.
19251 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19252 folded_casts argument.
19253 (simple_iv): Pass base and step in a structure. Set no_overflow
19255 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19256 Evaluate expensiveness of computing # of iterations instead of
19257 the final expression.
19258 * tree-scalar-evolution.h (affine_iv): New structure.
19259 (simple_iv): Declaration changed.
19260 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19261 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19262 find_givs_in_stmt): Changed due to simple_iv change.
19264 2006-01-06 Jeff Law <law@redhat.com>
19267 * tree-cfg.c (bsi_replace): Rename final argument from
19268 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19269 change (stmt -> orig_stmt).
19270 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19271 (bsi_remove): Add new argument. Remove EH information
19273 (verify_eh_throw_table_statements): New function.
19274 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19276 * tree-optimize.c (execute_free_cfg_annotations): Verify
19277 the EH throw statement table after removing annotations.
19278 * except.h (verify_eh_throw_table_statements): Prototype.
19279 * tree-flow.h (bsi_remove): Update prototype.
19280 * tree-vrp.c (remove_range_assertions): Add new argument to
19282 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19283 * tree-complex.c (expand_complex_div_wide): Likewise.
19284 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19285 * tree-tailcall.c (eliminate_tailcall): Likewise.
19286 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19287 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19288 * tree-nrv.c (tree_nrv): Likewise.
19289 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19290 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19291 (combine_blocks): Likewise.
19292 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19293 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19294 (cleanup_control_flow): Likewise.
19295 (remove_forwarder_block): Likewise.
19296 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19297 * tree-sra.c (sra_replace): Likewise.
19298 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19299 (forward_propagate_single_use_vars): Likewise.
19300 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19301 * tree-inline.c (expand_call_inline): Likewise.
19302 * tree-vect-transform.c (vect_transform_loop): Likewise.
19303 * tree-outof-ssa.c (rewrite_trees): Likewise.
19304 * tree-cfg.c (make_goto_expr_edges): Likewise.
19305 (cleanup_dead_labels): Likewise.
19306 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19307 (bsi_move_before, bsi_move_after): Likewise.
19308 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19309 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19311 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19314 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19316 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19317 on non gimple variables. Also add checks at the top for decls and
19319 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19321 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19322 and IMAGPART_EXPR for creating MUST_DEFs.
19323 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19324 and NAME_MEMORY_TAG separately from the DECLs.
19326 2006-01-06 Richard Guenther <rguenther@suse.de>
19328 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19329 annotation, if necessary.
19330 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19331 redundant calls to update_stmt.
19332 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19335 2006-01-05 Richard Henderson <rth@redhat.com>
19337 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19339 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19341 * c-typeck.c: Update copyright date.
19343 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19345 * c-typeck.c (build_c_cast): Always warn when casting
19346 from a pointer to an integer of different size, even if
19347 the node was constant.
19349 2006-01-05 Richard Guenther <rguenther@suse.de>
19351 PR tree-optimization/22555
19352 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19353 if one structure field is an array.
19354 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19355 operands even if we found a subvar, but ignore VOPs in this
19357 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19359 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19361 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19363 PR middle-end/24998
19364 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19366 2006-01-05 Richard Guenther <rguenther@suse.de>
19367 Diego Novillo <dnovillo@redhat.com>
19369 * tree-pass.h (TODO_remove_unused_locals): Define.
19370 * gimple-low.c (expand_var_p, remove_useless_vars,
19371 pass_remove_useless_vars): Remove. Update all users.
19372 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19373 (remove_unused_locals): New function.
19374 * tree-flow.h (remove_unused_locals): Declare.
19375 * passes.c (execute_todo): Call remove_unused_locals if
19376 TODO_remove_unused_locals is set.
19377 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19378 * tree-ssa-dce.c (pass_dce): Likewise.
19379 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19381 2006-01-05 Richard Guenther <rguenther@suse.de>
19383 * tree-flow.h (struct fieldoff): Decompose field to
19384 type, size and decl.
19385 * tree-ssa-alias.c (create_sft): Take type as parameter.
19386 (create_overlap_variables_for): Store type, size and decl
19387 in the fieldoff structure.
19388 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19389 of struct fieldoff.
19390 (push_fields_onto_fieldstack): Likewise.
19391 (create_variable_info_for): Likewise. Use offset for the
19392 SFT name if the decl is not available.
19394 2006-01-04 Paul Brook <paul@codesourcery.com>
19396 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19398 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19400 * lambda-code.c (can_put_in_inner_loop): Relax
19402 (can_put_after_inner_loop): New function.
19403 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19404 (perfect_nestify): Change to make copies and modify uses.
19406 2006-01-04 Richard Henderson <rth@redhat.com>
19408 Merge from gomp branch:
19409 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19410 via integer constant.
19411 (pragma_lex): Remove.
19412 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19413 rather than parsing it.
19414 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19415 handle_pragma_extern_prefix): Add %< %> quotes.
19416 (registered_pragmas): New.
19417 (c_register_pragma_1): New.
19418 (c_register_pragma): Use it.
19419 (c_register_pragma_with_expansion): Likewise.
19420 (c_invoke_pragma_handler): New.
19421 (init_pragma): Use cpp_register_deferred_pragma directly for
19423 * c-pragma.h (enum pragma_kind): New.
19424 (pragma_handler): New.
19425 (c_invoke_pragma_handler): Declare.
19426 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19428 * c-common.h (c_common_pch_pragma): Update decl.
19429 * Makefile.in (c-parser.o): Update dependencies.
19430 (GTFILES): Add c-pragma.h.
19431 * c-parser.c (struct c_token): Add pragma_kind.
19432 (struct c_parser): Add in_pragma.
19433 (c_lex_one_token): Always initialize keyword and pragma_kind.
19434 Extract data for CPP_PRAGMA.
19435 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19436 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19437 Don't allow CPP_PRAGMA_EOL if in_pragma.
19438 (c_parser_consume_pragma): New.
19439 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19440 (c_parser_skip_to_end_of_parameter): Likewise.
19441 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19442 (c_parser_skip_to_pragma_eol): New.
19443 (c_parser_external_declaration): Handle CPP_PRAGMA.
19444 (c_parser_compound_statement_nostart): Likewise.
19445 (c_parser_statement_after_labels): Likewise.
19446 (c_parser_pragma): New.
19447 (pragma_lex): Likewise.
19448 (c_parser_pragma_pch_preprocess): New.
19449 (c_parser_new): Merge into ...
19450 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19452 2006-01-04 Jeff Law <law@redhat.com>
19455 * tree-cfg.c (bsi_replace): Remove the original statement
19456 from the EH throw statement table.
19458 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19460 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19461 make the prototype extern "C" and add throw ().
19464 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19465 and pos non-negative and pos + len <= 32.
19466 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19467 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19468 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19471 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19472 as well as sizes not multiple of component size.
19475 * function.c (instantiate_expr): New function.
19476 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19477 walk its DECL_VALUE_EXPR with instantiate_expr.
19479 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19480 DW_OP_deref{,_size} if address isn't going to be added.
19482 2006-01-04 Ben Elliston <bje@au.ibm.com>
19484 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19485 * config/fp-bit.c: Likewise.
19487 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19489 * dominance.c: Add comment about why we use DFS numbering
19492 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19493 Richard Henderson <rth@redhat.com>
19495 Merge from gomp-branch:
19496 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19497 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19499 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19501 PR rtl-optimization/25578
19502 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19503 pass a parameter to simplify_shift_const if changing ASHIFTRT
19506 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19508 * builtins.c (get_builtin_sync_mem): New function.
19509 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19510 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19511 Call get_builtin_sync_mem to generate mem rtx.
19513 2006-01-03 Richard Guenther <rguenther@suse.de>
19516 * stmt.c (add_case_node): Make sure to clear overflow flags
19519 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19521 Merge from gomp-branch.
19522 * config/sparc/sync.md: New file.
19523 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19524 UNSPECV_LDSTUB): New constants.
19525 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19526 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19527 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19530 2006-01-03 Roger Sayle <roger@eyesopen.com>
19532 * combine.c (reg_subword_p): New predicate to test whether the
19533 destination of a set refers to a subword/piece of a register.
19534 (try_combine): Generalize the code to merge the setting of a
19535 pseudo to a constant followed by a set of a subword of that
19536 register to a constant.
19538 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19540 * basic-block.h (control_flow_graph): Change the type of
19541 x_label_to_block_map to VEC(basic_block,gc) *.
19542 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19543 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19545 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19546 VEC(basic_block,heap) *.
19547 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19548 ssa_prop_fini): Adjust the uses of cfg_blocks.
19550 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19552 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19554 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19555 hashing trees instead of a pointer hash.
19556 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19557 compare for MEM_EXPR.
19559 PR rtl-optimization/25130
19560 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19561 when comparing MEMs for GCSE
19563 2006-01-03 Ben Elliston <bje@au.ibm.com>
19565 * targhooks.h (default_decimal_float_supported_p): Declare.
19566 * targhooks.c (default_decimal_float_supported_p): Define.
19567 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19568 `default_decimal_float_supported_p'.
19569 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19571 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19573 * combine.c (apply_distributive_law <SUBREG>): Check
19574 TRULY_NOOP_TRUNCATION.
19576 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19578 * dwarf2out.c (have_switched_text_section): Delete.
19579 (have_multiple_function_sections): New.
19580 (have_location_lists): Make 'bool'.
19581 (add_AT_loc_list): Use 'true' not '1'.
19582 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19583 (output_loc_list): Use have_multiple_function_sections.
19584 (output_ranges): Likewise.
19585 (dwarf2out_begin_function): Set have_multiple_function_sections if
19587 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19588 Check function_section rather than DECL_SECTION_NAME.
19589 (dwarf2out_finish): Use have_multiple_function_sections.
19590 Don't clear have_location_lists.
19592 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19593 Jan Hubicka <jh@suse.cz>
19595 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19596 case of conditional jump jumping to the next instruction.
19597 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19598 cases of conditional jump jumping to the next instruction.
19600 2006-01-02 Jan Hubicka <jh@suse.cz>
19602 * i386.c (*_cost): Add COSTS_N_INSNS.
19603 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19605 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19608 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19610 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19612 * config/arm/arm.c (all_fpus): Fix comment typo.
19613 * config/darwin.c: Likewise.
19614 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19615 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19616 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19618 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19620 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19621 (rs6000_split_compare_and_swapqhi): New.
19622 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19623 (sync_compare_and_swapqhi_internal): New.
19624 * config/rs6000/rs6000-protos.h: Declare.