1 2006-11-27 Roger Sayle <roger@eyesopen.com>
2 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4 * c-common.c (constant_fits_type_p): Delete.
5 (unsigned_conversion_warning): Delete.
6 (conversion_warning): Integrate Wconversion warning from
7 unsigned_conversion_warning.
8 (convert_and_check): Integrate Woverflow warning from
9 unsigned_conversion_warning. Reorganize and simplify to avoid
10 dependence upon the middle-end setting TREE_OVERFLOW on integral
11 conversions, by using int_fits_type_p directly.
13 2006-11-27 Tobias Burnus <burnus@net-b.de>
15 * doc/invoke.texi: Fixed typo.
17 2006-11-27 Michael Matz <matz@suse.de>
18 Andreas Krebbel <krebbel1@de.ibm.com>
21 * config/s390/predicates.md (larl_operand): Check addend of larl
22 operand to be in range of -/+2GB.
23 * config/s390/s390.c (legitimize_pic_address): Likewise.
24 Changed type of variable even to HOST_WIDE_INT.
26 2006-11-27 Jan Hubicka <jh@suse.cz>
28 * expr.c (emit_block_move_via_libcall): Export.
29 (clear_storage_via_libcall): Rename to ...
30 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
31 (clear_storage): Update to set_storage_via_libcall.
32 * expr.h (emit_block_move_via_libcall): Declare
33 * config/i386/i386.h (stringop_alg): New enum.
34 (MAX_STRINGOP_ALGS): New constant.
35 (stringop_algs): New struct.
36 (processor_costs): Add memcpy/memset descriptors.
37 (TARGET_REP_MOVEL_OPTIMAL): Remove.
38 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
39 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
41 * config/i386/i386.opt (minline-stringops-dynamically,
42 mstringop-strategy): New
44 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
45 (ix86_expand-clrmem): Rename to ...
46 (ix86_expand_setmem): ... this one; update prototype.
47 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
48 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
49 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
50 nocona_cost, core2_cost, generic_cost, generic64_cost,
51 generic32_cost): Add memcpy/memset descriptors.
52 (x86_rep_movl_optimal): Remove.
53 (stringop_alg): New static variable.
54 (ix86_expand_aligntest): Handle predictions.
55 (override_options): Add strgop_alg handling.
56 (predict_jump): New function.
57 (scale_counter): New function.
58 (expand_set_or_movmem_via_loop): New function.
59 (expand_movmem_via_rep_mov): New function.
60 (expand_setmem_via_rep_stots): New function.
61 (emit_strmov): New function.
62 (expand_movmem_epilogue): New function.
63 (expand_setmem_epilogue_via_loop): New function.
64 (expand_setmem_epilogue): New function.
65 (expand_movmem_prologue): New function.
66 (expand_setmem_prologue): New function.
67 (decide_alg): New function.
68 (decide_alignment): New function.
69 (ix86_exand_movmem): Rewrite.
70 (promote_duplicated_reg): New function.
71 (ix86_expand_clrmem): Rename to ...
72 (ix86_expand_setmem): ... this one. Rewrite.
74 * invoke.texi (minline-stringops-dynamically): New command line option.
75 (mstringop-strategy): Likewise.
77 2006-11-27 Jan Hubicka <jh@suse.cz>
79 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
80 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
81 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
82 * insn-notes.def (FUNCTION_END): Remove.
83 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
84 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
86 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
87 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
88 * cfglayout.c (duplicate_insn_chain): Don't worry about
91 2006-11-27 Richard Guenther <rguenther@suse.de>
92 Zdenek Dvorak <dvorakz@suse.cz>
94 * target.h (struct gcc_target): Add builtin_vectorized_function
96 * target-def.h (TARGET_VECTORIZE): Likewise.
97 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
98 Document new target hook.
99 * targhooks.h (default_builtin_vectorized_function): Declare.
100 * targhooks.c (default_builtin_vectorized_function): Define.
101 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
102 (vectorizable_call): Declare.
103 * tree-vect-analyze.c (vect_analyze_operations): Call
105 * tree-vect-transform.c (vectorizable_function): New static function.
106 (build_vectorized_function_call): Likewise.
107 (vectorizable_call): New function.
108 (vect_transform_stmt): Handle vectorizable calls.
110 2006-11-27 Richard Guenther <rguenther@suse.de>
113 * builtins.c (expand_builtin_pow): Optimize non integer valued
114 constant exponents using sqrt or cbrt if possible. Always fall back
115 to expanding via optabs.
117 2006-11-27 Ira Rosen <irar@il.ibm.com>
119 PR tree-optimization/22372
120 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
121 the type of the base address.
122 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
123 it in the data-ref pointer creation.
124 (vect_init_vector): Add an argument, type of the init vector. Use it in
126 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
127 (get_initial_def_for_reduction): Likewise.
128 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
130 (vectorizable_assignment, vect_permute_store_chain): Likewise.
131 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
132 correct type in stmt creation.
133 (vect_setup_realignment): Use the correct type in stmt creation.
134 (vect_permute_load_chain): Change type of MODIFY_EXPR to
136 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
137 of MODIFY_EXPR to void_type_node.
138 (vectorizable_condition): Change type of MODIFY_EXPR to
140 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
143 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
146 2006-05-08 Uros Bizjak <uros@kss-loka.si>
147 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
148 standard 80387 constants, raise the cost to prevent
149 compress_float_constant() to generate load from memory.
151 * config/i386/i386.md: Add new splitter pattern to split
152 float_extended load of constant from constant pool into
155 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
157 * doc/install.texi: Move GMP/MPFR configure options from Fortran
158 section to general section. Remove documentation for
159 --with-mpfr-dir and --with-gmp-dir, add documentation for
160 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
163 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
165 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
167 * testsuite/gcc.dg/ipa/ipa-6.c: New.
169 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
171 PR tree-optimization/29122
172 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
173 for the new version. Assign NULL to DECL_RTL of the new version.
175 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
177 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
179 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
181 * cse.c (cse_altered): Remove.
182 (record_jump_equiv): Make true/false argument a bool instead
184 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
185 where appropriate. Emit a new jump before the existing one
186 instead of after so that delete_insn_and_edges removes the
187 dead edges properly. Check any_condjump_p before calling
189 (cse_basic_block): Check any_condjump_p before calling
191 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
193 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
195 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
196 -ffixed-line-length-* options.
198 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
200 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
201 (fprem1xf4): Rename to fprem1xf4_i387.
203 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
204 Rename patterns to fmod<mode>3. Use general_operand operand
205 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
206 patterns for SSE math.
207 (remaindersf3, remainderdf3): Ditto.
209 2006-11-25 Joseph Myers <joseph@codesourcery.com>
211 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
212 inside start_sequence / end_sequence pair.
214 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
216 * jump.c (mark_all_labels): Work in cfglayout mode.
217 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
218 when in cfglayout mode, because there are no dead jumptables
220 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
222 (commit_edge_insertions): Do not allow insertion of instructions
223 with control flow insns when in cfglayout mode.
225 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
227 * tree-vrp.c (execute_vrp): Do not pass loops structure through
229 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
230 unswitch_loop): Ditto.
231 * tree-loop-linear.c (linear_transform_loops): Ditto.
232 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
233 tree_ssa_lim): Ditto.
234 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
235 free_numbers_of_iterations_estimates): Ditto.
236 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
237 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
238 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
239 remove_path, add_loop, loopify, unloop, fix_loop_placements,
240 place_new_loop, duplicate_loop, duplicate_subloops,
241 update_single_exit_for_duplicated_loops, copy_loops_to,
242 duplicate_loop_to_header_edge, create_preheaders,
243 force_single_succ_latches, loop_version, fix_loop_structure):
245 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
246 tree_unroll_loop): Ditto.
247 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
248 * tree-scalar-evolution.c (select_loops_exit_conditions,
249 scev_initialize, scev_analysis): Ditto.
250 * tree-scalar-evolution.h (scev_initialize): Ditto.
251 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
252 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
253 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
254 * modulo-sched.c (sms_schedule): Ditto.
255 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
256 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
257 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
258 * ifcvt.c (if_convert): Ditto.
259 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
260 canonicalize_loop_induction_variables,
261 canonicalize_induction_variables,
262 tree_unroll_loops_completely, remove_empty_loops): Ditto.
263 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
264 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
265 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
266 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
267 tree_ssa_loop_done): Ditto.
268 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
269 estimate_bb_frequencies): Ditto.
270 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
271 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
272 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
273 decide_unrolling_and_peeling, peel_loop_completely,
274 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
275 peel_loop_simple, unroll_loop_stupid): Ditto.
276 * loop-doloop.c (doloop_optimize_loops): Ditto.
277 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
278 * loop-invariant.c (move_loop_invariants): Ditto.
279 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
280 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
281 tree_ssa_prefetch_arrays): Ditto.
282 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
284 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
285 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
286 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
287 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
288 verify_loop_structure): Ditto.
289 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
290 canonicalize_induction_variables, tree_unroll_loops_completely,
291 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
292 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
293 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
294 tree_unroll_loop, linear_transform_loops): Declaration changed.
295 * basic-block.h: Remove declaration of struct loops.
296 * cfghooks.h (struct cfg_hooks): Change type of
297 cfg_hook_duplicate_loop_to_header_edge.
298 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
299 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
300 vect_transform_loop): Declaration changed.
301 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
302 * cfgloop.h (flow_loops_dump, fix_loop_structure,
303 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
304 cancel_loop_tree, create_preheaders, force_single_succ_latches,
305 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
306 loopify, loop_version, remove_path, unswitch_loops,
307 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
310 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
312 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
313 (X87MODEF): New mode macro.
314 (ssemodefsuffix): New mode attribute.
315 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
316 (sqrt_extend<mode>xf2_i387): New insn pattern.
317 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
318 insn and truncate result back to original mode using
319 UNSPEC_TRUNC_NOOP truncation.
320 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
321 ssemodefsuffix mode attribute.
322 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
323 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
324 (*sqrtextenddfxf2_i387): Remove insn patterns.
326 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
329 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
331 2006-11-24 Jakub Jelinek <jakub@redhat.com>
334 * c-tree.h (c_maybe_initialize_eh): New prototype.
335 * c-decl.c (finish_decl): Move EH initialization...
336 (c_maybe_initialize_eh): ... here. New function.
337 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
338 if not #pragma omp atomic.
341 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
342 or UNION_TYPE inner types.
344 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
347 * ipa-pure-const.c (check_tree): If the original tree
348 is volatile return early and say the function is not pure
349 nor const. Remove the volatile check for writes.
350 (analyze_function): Print out the result of the local
353 2006-11-24 Joseph Myers <joseph@codesourcery.com>
355 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
357 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
358 * config/rs6000/rs6000.c (rs6000_override_options): Use
359 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
362 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
364 * config/s390.c (s390_emit_compare_and_swap): New function.
365 (s390_expand_cs_hqi, s390_expand_atomic): Call
366 s390_emit_compare_and_swap.
368 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
370 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
372 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
376 * c-common.c (conversion_warning): New.
377 (convert_and_check): Call conversion_warning unless there is an
379 * doc/invoke.texi (-Wconversion): Update description.
381 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
383 * tree-ssa-alias.c (tree_pointer_compare): New function.
384 (compact_name_tags): New function.
385 (group_aliases): Call compact_name_tags.
387 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
389 * real.h (real_isinteger): Declare.
390 * real.c (real_isinteger): Define.
391 * builtins.c (integer_valued_real_p): Use it.
393 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
396 * c.opt (Wtraditional-conversion): New.
397 (Wconversion): Update description.
398 * c-typeck.c (convert_arguments): Warnings for prototypes causing
399 type conversions different from what would happen in the absence
400 of prototype are now handled by Wtraditional-conversion.
401 * doc/invoke.texi (Wtraditional-conversion): New.
402 (Wconversion): Update description.
403 * doc/trouble.texi (Wconversion): Replace Wconversion by
404 Wtraditional-conversion.
406 2006-11-23 Andrew Pinski <pinskia@gmail.com>
408 * predict.c (tree_estimate_probability): Check to make
409 sure current_loops is non null before calling flow_loops_dump.
411 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
413 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
415 2006-11-23 David Ung <davidu@mips.com>
417 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
419 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
420 (ASM_SPEC): Pass along -mfp32 and -mfp64.
421 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
422 high part of FP register when in 64-bit FP register mode. Similarly
423 use gen_mfhc1 to load high part of FP register.
424 (override_options): Allow -mgp32 and -mfp64 combination if
425 ISA_HAS_MXHC1 (currently for O32 only).
426 (mips_cannot_change_mode_class): If floating-point registers are
427 bigger than word size. disallow conversion of float register from a
428 large integer mode to a float mode smaller than the float register
430 (mips_class_max_nregs): Handle float registers case seperately.
431 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
433 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
434 (movdf_hardfloat_32bit): Similarly.
435 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
436 support a full 64-bit fpu.
437 (mthc1): New pattern to generate MTHC1 instruction.
438 (mfhc1): New pattern to generate MFHC1 instruction.
439 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
440 option for the MIPS32R2 and mention its use under O32 ABI.
442 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
444 * var-tracking.c (emit_note_insn_var_location): Take care not to
445 cause verify_flow_info failures.
447 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
449 * tree-ssa-structalias.c: Remove edge weights in favor of just
450 processing them as complex constraints.
451 (struct constraint_graph): Remove weighted succs and preds. Rename
452 nonweighted succs and preds.
453 (constraint_edge): Removed.
454 (constraint_edge_t): Ditto.
455 (constraint_edge_pool): Ditto.
456 (new_constraint_edge): Ditto.
457 (constraint_edge_equal): Ditto.
458 (constraint_edge_less): Ditto.
459 (constraint_edge_vec_find): Ditto.
460 (erase_self_graph_edge): Ditto.
461 (add_graph_edge): Removed.
462 (get_graph_weights): Ditto.
463 (allocate_graph_weights): Ditto.
464 (valid_weighted_graph_edge): Ditto
465 (bitmap_other_than_zero_bit_set): Ditto.
466 (int_add_graph_edge): Renamed to add_graph_edge.
467 (clear_edges_for_node): Remove support for weighted edges.
468 (merge_graph_nodes): Ditto.
469 (valid_graph_edge): Ditto.
470 (build_constraint_graph): Ditto.
472 (collapse_nodes): Ditto.
473 (process_unification_queue): Ditto.
475 (do_ds_constraint): Ditto.
476 (perform_var_subsitution): Ditto.
477 (solve_graph): Ditto.
478 (init_alias_vars): Ditto.
479 (delete_points_to_sets): Ditto.
480 (do_complex_constraint): Support offsetted copies here.
482 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
484 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
486 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
488 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
491 2006-11-23 Ben Elliston <bje@au.ibm.com>
493 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
495 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
497 PR tree-optimization/29921
498 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
499 signed and unsigned zero equal.
501 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
503 * config/rs6000/rs6000.c (get_store_dest): New.
504 (adjacent_mem_locations): Use get_store_dest() to get
505 the rtl of the store destination.
507 2006-11-22 Joseph Myers <joseph@codesourcery.com>
509 * config/rs6000/spe.md (SPE64): New mode macro.
510 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
512 (mov_si<mode>_e500_subreg0_2): New.
513 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
515 (mov_si<mode>_e500_subreg4_2): New.
516 * config/rs6000/predicates.md (input_operand): Do not allow
517 invalid E500 subregs.
518 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
520 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
521 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
522 involving vector modes if TARGET_SPE.
524 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
527 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
528 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
530 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
532 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
533 mem_i_address_operand): New predicates.
534 * config/bfin/bfin.c (bfin_issue_rate): New function.
535 (TARGET_SCHED_ISSUE_RATE): New macro.
536 * config/bfin/bfin.md (addrtype): New attribute.
537 (slot0, slot1, slot2, store, pregs): New cpu_units.
538 (core): Now a define_reservation.
539 (alu): Remove some insn types from this reservation.
540 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
542 (dummy reservation): Don't trigger for mcld insns.
543 (absence_sets): Two new absence sets to enforce slot ordering.
544 (popsi_insn): Set addrtype.
546 2006-11-22 Ira Rosen <irar@il.ibm.com>
548 * doc/c-tree.texi: Document new tree codes.
549 * doc/md.texi: Document new optabs.
550 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
552 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
553 * optabs.h (optab_index): Add new.
554 (vec_extract_even_optab, vec_extract_odd_optab,
555 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
556 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
557 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
559 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
560 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
561 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
562 along with macros for their access.
563 * tree-data-ref.h (first_location_in_loop, data_reference): Update
565 * tree-vect-analyze.c (toplev.h): Include.
566 (vect_determine_vectorization_factor): Fix indentation.
567 (vect_insert_into_interleaving_chain,
568 vect_update_interleaving_chain, vect_equal_offsets): New functions.
569 (vect_analyze_data_ref_dependence): Add argument for interleaving
570 check. Check for interleaving if it's true.
571 (vect_check_dependences): New function.
572 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
573 every ddr. Call vect_analyze_data_ref_dependence with new argument.
574 (vect_update_misalignment_for_peel): Update for interleaving.
575 (vect_verify_datarefs_alignment): Check only first data-ref for
577 (vect_enhance_data_refs_alignment): Update for interleaving. Check
578 only first data-ref for interleaving.
579 (vect_analyze_data_ref_access): Check interleaving, update
581 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
582 with different parameters.
583 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
584 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
585 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
586 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
587 Update step in case of interleaving.
588 (vect_strided_store_supported, vect_permute_store_chain): New
590 (vectorizable_store): Handle strided stores.
591 (vect_strided_load_supported, vect_permute_load_chain,
592 vect_transform_strided_load): New functions.
593 (vectorizable_load): Handle strided loads.
594 (vect_transform_stmt): Add argument. Handle strided stores. Check
595 that vectorized stmt exists for patterns.
596 (vect_gen_niters_for_prolog_loop): Update calculation for
598 (vect_transform_loop): Remove stmt_vec_info for strided stores after
599 whole chain vectorization.
600 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
601 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
602 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
603 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
604 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
606 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
608 * cse.c (enum taken): Remove PATH_AROUND.
609 (addr_affects_sp_p, invalidate_skipped_set,
610 invalidate_skipped_block): Remove.
611 (cse_end_of_basic_block): Remove skip_blocks and related code.
612 (cse_main): Don't test for flag_cse_skip_blocks.
613 Update cse_end_of_basic_block call.
614 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
615 code to lengthen the path if a jump was simplified.
617 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
619 PR rtl-optimization/29924
620 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
621 (unroll_loop_runtime_iterations): Assert that the argument passed to
622 split_edge_and_insert is not NULL.
623 * loop-doloop.c (add_test): Ditto.
625 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
627 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
629 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
630 * cfgloopmanip.c (update_single_exits_after_duplication,
631 update_single_exit_for_duplicated_loop, loop_version): Ditto.
632 * tree-scalar-evolution.c (get_loop_exit_condition,
633 get_exit_conditions_rec, loop_closed_phi_def,
634 number_of_iterations_in_loop, scev_const_prop): Ditto.
635 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
636 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
638 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
640 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
641 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
642 slpeel_make_loop_iterate_ntimes,
643 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
644 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
646 * tree-if-conv.c (if_convertible_loop_p): Ditto.
647 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
648 vect_analyze_loop_form): Ditto.
649 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
650 can_convert_to_perfect_nest, perfect_nestify): Ditto.
651 * tree-vect-transform.c (vect_create_epilog_for_reduction,
652 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
653 vect_transform_loop): Ditto.
654 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
655 (single_exit, set_single_exit): New functions.
656 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
657 (single_exit, set_single_exit): Declare.
658 * doc/loop.texi: Undocument single_exit field. Document single_exit
661 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
663 PR tree-optimization/29902
664 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
665 any involved ssa name appears in abnormal phi node.
667 2006-11-21 Bob Wilson <bob.wilson@acm.org>
669 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
670 (xtensa_const_ok_for_letter_p): Delete.
671 (xtensa_extra_constraint): Delete.
672 (override_options): Delete xtensa_char_to_class initialization.
673 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
674 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
675 (EXTRA_CONSTRAINT): Delete.
676 * config/xtensa/xtensa.md: Include constraints.md.
677 (call_internal): Combine alternatives.
678 (call_value_internal): Likewise, and remove invalid constraints.
679 * config/xtensa/constraints.md: New file.
680 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
681 (xtensa_extra_constraint): Delete.
682 * doc/md.texi (Machine Constraints): Refer to constraints.md for
685 2006-11-21 Janis Johnson <janis187@us.ibm.com>
687 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
688 of conversion that doesn't fit.
690 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
691 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
692 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
694 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
696 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
698 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
700 2006-11-21 Richard Guenther <rguenther@suse.de>
702 * tree-vectorizer.h (NUM_PATTERNS): Increase.
703 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
704 vect_recog_pow_pattern.
705 (vect_recog_pow_pattern): New function.
707 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
709 * config/bfin/bfin.opt (mstack-check-l1): New.
710 * doc/invoke.texi (Blackfin Options): Document it.
711 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
712 stack bounds in L1 memory if the new option is enabled.
713 (override_options): Don't allow combinations of -fstack-limit and
715 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
718 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
720 (bfin_register_move_cost): Bump costs if trying to move plain
721 integer values through accumulators.
723 2006-11-21 Ben Elliston <bje@au.ibm.com>
725 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
727 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
728 Russell Olsen <Russell_Olsen@playstation.sony.com>
729 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
730 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
731 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
732 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
733 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
735 * config.gcc: Add target for SPU.
736 * config/spu/constraints.md: New file.
737 * config/spu/crt0.c: New file.
738 * config/spu/crtend.c: New file.
739 * config/spu/crti.asm: New file.
740 * config/spu/crtn.asm: New file.
741 * config/spu/float_unsdidf.c: New file.
742 * config/spu/float_unssidf.c: New file.
743 * config/spu/predicates.md: New file.
744 * config/spu/spu-builtins.def: New file.
745 * config/spu/spu-builtins.h: New file.
746 * config/spu/spu-builtins.md: New file.
747 * config/spu/spu-c.c: New file.
748 * config/spu/spu-elf.h: New file.
749 * config/spu/spu-modes.def: New file.
750 * config/spu/spu-protos.h: New file.
751 * config/spu/spu.c: New file.
752 * config/spu/spu.h: New file.
753 * config/spu/spu.md: New file.
754 * config/spu/spu.opt: New file.
755 * config/spu/spu_internals.h: New file.
756 * config/spu/spu_intrinsics.h: New file.
757 * config/spu/spu_mfcio.h: New file.
758 * config/spu/t-spu-elf: New file.
759 * config/spu/vec_types.h: New file.
760 * config/spu/vmx2spu.h: New file.
761 * doc/contrib.texi: Document SPU contributor.
762 * doc/extend.texi: Document SPU extensions.
763 * doc/invoke.texi: Document SPU options.
764 * doc/md.texi: Document SPU constraints.
766 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
768 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
770 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
772 (flow_loop_dump): Do not dump loop level.
773 (flow_loops_find): Do not call flow_loops_level_compute.
774 * cfgloop.h (struct loop): Remove level field.
776 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
778 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
779 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
780 Use vector of edges instead of array.
781 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
782 estimate_numbers_of_iterations_loop): Ditto.
783 * predict.c (predict_loops): Ditto.
784 * loop-unroll.c (analyze_insns_in_loop): Ditto.
785 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
787 * basic-block.h: Declare heap allocation for edge vectors.
788 * tree-outof-ssa.c: Ditto.
789 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
790 * cfgloop.h (get_loop_exit_edges): Declaration changed.
792 2006-11-20 Zack Weinberg <zackw@panix.com>
794 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
795 Add another out parameter, "skip".
796 (set_gc_used_type): Adjust calls to process_gc_options. If a field
797 is tagged "skip", do not mark its type used.
799 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
802 * tree-sra.c (single_scalar_field_in_record_p): New function.
803 (decide_block_copy): Use it.
805 2006-11-20 David Daney <ddaney@avtrex.com>
807 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
808 PC to point to following instruction.
810 2006-11-20 Anatoly Sokolov <aesok@post.ru>
814 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
816 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
818 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
820 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
821 Add sh/superh.h to tm_file.
823 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
824 Mark Mitchell <mark@codesourcery.com>
826 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
828 (cpp_relocated): New function.
829 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
831 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
832 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
833 replace configured prefix with gcc_exec_prefix.
835 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
837 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
838 bfin_legitimate_constant_p.
839 * config/bfin/bfin.md (movsi expander): Check return value of
841 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
842 (expand_move): Adjust prototype.
843 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
844 invalid constants specially.
845 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
847 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
849 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
850 sibcall_value_symbol): Allow these patterns if
851 TARGET_LEAF_ID_SHARED_LIBRARY.
852 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
853 (override_options): Turn on id shared library flags if -msep-data,
854 but disallow the combination of these options on the command line.
855 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
856 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
857 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
859 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
860 * doc/invoke.texi (Blackfin Options): Document new switches.
862 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
863 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
865 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
866 inflate costs for addresses with an out-of-bounds address.
868 2006-11-19 Andrew Pinski <pinskia@gmail.com>
871 * fwprop.c (loops): Remove.
872 (forward_propagate_into): Use current_loops instead of
874 (fwprop_init): Call loop_optimizer_init instead of
876 (fwprop_done): Call loop_optimizer_finalize instead of
878 (fwprop): Use current_loops instead of loops.
880 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
883 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
885 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
888 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
889 larger than BITS_PER_WORD.
891 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
895 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
896 to MAX_FIXED_MODE_SIZE.
898 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
901 (fold_builtin_fmin_fmax): New.
902 (fold_builtin_1): Use it.
904 * fold-const.c (fold_strip_sign_ops): Handle copysign.
906 2006-11-18 Richard Guenther <rguenther@suse.de>
908 * config/i386/i386.c (ix86_builtins): New array for ix86
909 builtin function decls.
910 (def_builtin): New function.
911 (def_builtin_const): Likewise.
912 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
914 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
916 * doc/invoke.texi (core2): Add item.
918 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
920 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
921 (TARGET_CPU_DEFAULT_generic): Change value.
922 (TARGET_CPU_DEFAULT_NAMES): Add core2.
923 (processor_type): Add new constant PROCESSOR_CORE2.
925 * config/i386/i386.md (cpu): Add core2.
927 * config/i386/i386.c (core2_cost): New initialized variable.
928 (m_CORE2): New macro.
929 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
930 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
931 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
932 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
933 x86_partial_reg_dependency, x86_memory_mismatch_stall,
934 x86_accumulate_outgoing_args, x86_prologue_using_move,
935 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
936 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
937 x86_use_incdec, x86_four_jump_limit, x86_schedule,
938 x86_pad_returns): Add m_CORE2.
939 (override_options): Add entries for Core2.
940 (ix86_issue_rate): Add case for Core2.
942 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
944 * doc/invoke.texi: Fix mno-isel typo.
946 2006-11-18 Joseph Myers <joseph@codesourcery.com>
948 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
949 easy vector constant loads.
951 2006-11-18 Joseph Myers <joseph@codesourcery.com>
953 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
954 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
955 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
956 * config/rs6000/sync.md (lwsync): Emit plain sync if
959 2006-11-17 DJ Delorie <dj@redhat.com>
961 * reload1.c (reloads_unique_chain): New.
962 (reloads_conflict): Call it.
964 2006-11-17 Bob Wilson <bob.wilson@acm.org>
966 * config/xtensa/predicates.md (addsubx_operand): New.
967 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
968 (xtensa_emit_bit_branch): New.
969 (xtensa_emit_movcc): New.
970 * config/xtensa/xtensa.md (any_minmax): New code macro.
971 (minmax): New code attribute.
972 (any_cond, any_scc, any_scc_sf): New code macros.
973 (*addx2, *addx4, *addx8): Delete.
975 (*subx2, *subx4, *subx8): Delete.
977 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
978 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
979 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
980 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
981 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
982 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
983 (movsfcc_internal0, movsfcc_internal1): Likewise.
984 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
985 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
986 (xtensa_emit_bit_branch): New.
987 (xtensa_emit_movcc): New.
988 (function_arg_boundary): Add missing prototype.
990 2006-11-17 Bob Wilson <bob.wilson@acm.org>
992 * config/xtensa/xtensa.md (tstsi): Delete
994 2006-11-17 Bob Wilson <bob.wilson@acm.org>
996 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
998 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1000 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1002 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1004 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1006 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1008 * tree-vrp.c (execute_vrp): Do not update current_loops.
1009 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1010 * doc/loop.texi: Remove documentation for cancelled functions.
1011 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1012 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1014 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1015 (remove_path): Ensure that in delete_basic_blocks, the loops
1016 are still allocated.
1017 (add_loop): Work on valid loop structures.
1018 (loopify): Modify call of add_loop.
1019 (mfb_update_loops): Removed.
1020 (create_preheader): Do not update loops explicitly.
1021 (force_single_succ_latches, loop_version): Do not use
1022 loop_split_edge_with.
1023 (loop_split_edge_with): Removed.
1024 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1025 Do not use bsi_insert_on_edge_immediate_loop.
1026 (split_loop_exit_edge, tree_unroll_loop): Do not use
1027 loop_split_edge_with.
1028 (bsi_insert_on_edge_immediate_loop): Removed.
1029 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1030 use loop_split_edge_with.
1031 * cfghooks.c: Include cfgloop.h.
1032 (verify_flow_info): Verify that loop_father is filled iff current_loops
1034 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1035 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1037 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1039 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1040 loop_split_edge_with.
1041 (sms_schedule): Use current_loops.
1042 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1043 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1045 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1046 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1047 * ifcvt.c (if_convert): Ditto.
1048 * predict.c (predict_loops): Do not clear current_loops.
1049 (tree_estimate_probability): Use current_loops.
1050 (propagate_freq): Receive head of the region to propagate instead of
1052 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1053 (estimate_loops): New function. Handle case current_loops == NULL.
1054 (estimate_bb_frequencies): Do not allocate tovisit. Use
1056 * tree-ssa-loop.c (current_loops): Removed.
1057 (tree_loop_optimizer_init): Do not return loops.
1058 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1059 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1060 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1061 Do not update loops explicitly.
1062 * function.h (struct function): Add x_current_loops field.
1063 (current_loops): New macro.
1064 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1065 * loop-unroll.c (split_edge_and_insert): New function.
1066 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1067 use loop_split_edge_with.
1068 * loop-doloop.c (add_test, doloop_modify): Ditto.
1069 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1070 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1071 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1072 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1074 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1075 (flow_loops_free): Do not free dfs_order and rc_order.
1076 (flow_loops_find): Do not set dfs_order and rc_order in loops
1077 structure. Do not call loops and flow info verification.
1078 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1079 already belongs to some loop.
1080 * cfgloop.h (struct loops): Remove struct cfg.
1081 (current_loops, loop_split_edge_with): Declaration removed.
1082 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1083 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1084 Declaration removed.
1085 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1086 * basic-block.h (split_edge_and_insert): Declare.
1087 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1089 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1091 PR tree-optimization/29801
1092 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1093 (get_default_value): Use get_symbol_constant_value.
1094 (set_lattice_value): ICE when the value of the constant is
1096 (visit_assignment): Ignore VDEFs of read-only variables.
1098 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1100 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1102 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1103 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1105 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1107 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1108 select subvars of var.
1110 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1113 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1114 optimize if DEF doesn't have integral type.
1116 2006-11-16 Mike Stump <mrs@apple.com>
1118 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1119 pre-darwin9 system, unless the user asks for it directly.
1120 (PREFERRED_DEBUGGING_TYPE): Likewise.
1121 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1122 * config.gcc: Add suppport for darwin9.h.
1123 * config/darwin9.h: Add.
1124 * doc/install.texi (Specific): Clarify darwin documentation.
1126 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1128 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1129 optimizing for size.
1131 2006-11-16 Mike Stump <mrs@apple.com>
1133 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1135 2006-11-16 Dirk Mueller <dmueller@suse.de>
1137 * tree-vrp.c (get_value_range): Use XCNEW instead
1139 (insert_range_assertions): Use XCNEWVEC instead
1140 of XNEWVEC and memset.
1141 (vrp_initialize): Same.
1142 (vrp_finalize): Same.
1143 * tree-ssa-ccp.c (ccp_initialize): Same.
1144 * predict.c (tree_bb_level_predictions): Same.
1145 * calls.c (expand_call): Same.
1146 * tree-ssa-copy.c (init_copy_prop): Same.
1147 (fini_copy_prop): Same.
1148 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1149 of GGC_NEW and memset.
1151 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1154 * gimplify.c (gimplify_expr): Only force a load for references to
1155 non-BLKmode volatile values.
1156 * doc/implement-c.texi (Qualifiers implementation): Document the
1157 interpretation of what a volatile access is.
1158 * doc/extend.texi (C++ Extensions): Rework same documentation.
1160 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1162 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1165 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1167 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1169 (arm_neg_abssi2): Renamed from neg_abssi2.
1170 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1172 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1174 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1175 number of arguments passed to local functions in SSE registers is 3.
1177 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1178 number of arguments passed in SSE registers to 3.
1180 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1183 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1185 (get_last_bb_insn): ... new global function.
1186 (basic_block.h): Declare it.
1187 * haifa-sched.c (create_recovery_block): Use it.
1189 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1192 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1194 2006-11-15 Paul Brook <paul@codesourcery.com>
1196 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1197 _Unwind_GetTextRelBase): Move from here ...
1198 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1199 _Unwind_GetTextRelBase): ... To here.
1201 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1203 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1204 addresses we generate for testing are aligned.
1206 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1209 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1210 to what is the const decl is a place holder for.
1212 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1214 * config/i386/i386.opt: New target option -mx87regparm.
1216 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1217 and float_in_x87 variables. mmx_words, sse_words: Remove.
1218 (X87_REGPARM_MAX): Define.
1220 * config/i386/i386.c (override_options): Error out for
1221 -mx87regparm but no 80387 support.
1222 (ix86_attribute_table): Add x87regparm.
1223 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1224 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1225 (ix86_function_x87regparm): New function.
1226 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1228 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1230 (function_arg_advance): Process x87_nregs and x87_regno when
1231 floating point argument is to be passed in 80387 register.
1232 (function_arg): Pass XFmode arguments in 80387 registers for local
1233 functions. Pass SFmode and DFmode arguments to local functions
1234 in 80387 registers when flag_unsafe_math_optimizations is set.
1236 * reg-stack.c (convert_regs_entry): Disable NaN load for
1237 stack registers that are used for argument passing.
1239 * doc/extend.texi: Document x87regparm function attribute.
1240 * doc/invoke.texi: Document -mx87regparm.
1242 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1244 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1245 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1246 arg MODE; all callers changed. Use it to determine validity per
1247 machine mode instead of using Pmode for all memory references.
1248 (get_address_cost): Likewise add and use new arg MEM_MODE.
1250 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1251 J"orn Rennecke <joern.rennecke@st.com>
1253 * combine.c (likely_spilled_retval_1): Fix masking operation.
1254 (likely_spilled_retval_p): Use proper pattern for call to
1255 likely_spilled_retval_1.
1257 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1259 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1261 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1262 that tests for CONSTANT_POOL_ADDRESS_P.
1264 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1266 PR tree-optimization/29581
1267 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1268 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1269 type is different between Y and USE, create a temporary
1270 variable, initialize it at the beginning of the body bb
1271 and use it as replacement instead of Y.
1273 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1276 * gimplify.c (fold_indirect_ref_rhs): Use
1277 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1279 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1281 * expmed.c (emit_store_flag_1): New function.
1282 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1284 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1285 Use do_compare_rtx_and_jump.
1286 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1287 * arm.md (cstoresi4): New define_expand.
1288 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1289 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1290 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1292 2006-11-14 Caroline Tice <ctice@apple.com>
1294 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1295 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1297 (pubname_table): Redefine as a vector.
1298 (pubtype_table): New static global variable, defined as a vector.
1299 (pubname_table_allocated): Remove static global variable.
1300 (pubname_table_in_use): Remove static global variable.
1301 (PUBNAME_TABLE_INCREMENT): Remove constant.
1302 (size_of_pubnames): Add parameter to deal with either pubnames or
1303 pubtypes, and change code to deal with table being a vector.
1304 (add_pubname): Change to deal with table being a vector.
1305 (add_pubtype): New function.
1306 (output_pubnames): Add parameter to deal with either pubnames or
1307 pubtypes, and change code to deal with table being a vector.
1308 (gen_array_type_die): Add call to add_pubtype.
1309 (gen_enumeration_type_die): Add call to add_pubtype.
1310 (gen_struct_or_union_type_die): Add call to add_pubtype.
1311 (gen_subroutine_type_die): Add call to add_pubtype.
1312 (gen_typedef_die): Add call to add_pubtype.
1313 (dwarf2out_init): Add code to initialize pubname_table and
1314 pubtype_table vectors; also initialize debug_pubtypes_section.
1315 (prune_unused_types): Change to deal with pubnames being a vector.
1316 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1317 pubnames table to call to output_pubnames; Add code to output pubtypes
1318 table if DEBUG_PUBTYPES_SECTION is defined.
1319 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1321 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1323 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1325 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1326 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1327 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1328 movv2si_internal): Support moves between core registers.
1330 2006-11-14 Eric Christopher <echristo@apple.com>
1332 * configure: Regenerate with autoconf 2.59.
1334 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1336 Fix PR tree-optimization/27755
1338 * tree-ssa-pre.c: Update comments.
1339 (bb_bitmap_sets): Add pa_in and deferred member.
1340 (BB_DEFERRED): New macro.
1341 (maximal_set): New variable.
1342 (pre_stats): Add pa_insert member.
1343 (bitmap_set_and): Short circuit orig == dest.
1344 (bitmap_set_subtract_values): New function.
1345 (bitmap_set_contains_expr): Ditto.
1346 (translate_vuses_through_block): Add phiblock argument.
1347 (dependent_clean): New function.
1348 (compute_antic_aux): Update for maximal_set changes.
1349 (compute_partial_antic_aux): New function.
1350 (compute_antic): Handle partial anticipation.
1351 (do_partial_partial_insertion): New function.
1352 (insert_aux): Handle partial anticipation.
1353 (add_to_sets): Add to maximal set.
1354 (compute_avail): Ditto.
1355 (init_pre): Initialize maximal_set.
1356 (execute_pre): Do partial anticipation if -O3+.
1358 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1360 PR rtl-optimization/29798
1362 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1363 TARGET_INSN before any other check.
1364 (fwprop_init): Always calculate dominators.
1365 (fwprop_done): Always free them.
1367 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1372 2006-11-13 DJ Delorie <dj@redhat.com>
1374 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1375 temporary for intermediates.
1377 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1379 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1380 (sh_optimize_target_register_callee_saved): #if 0 the code
1381 using NOTE_INSN_LOOP_{BEG,END}.
1383 2006-11-13 Roger Sayle <roger@eyesopen.com>
1385 * fold-const.c (optimize_bit_field_compare): Recursively call
1386 fold when simplifying non-constant comparisons between bit-fields.
1388 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1390 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1392 * configure: Rebuilt.
1394 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1396 * config/rs6000/cell.md: New file.
1397 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1399 (ppccell_cost): New cost matrix.
1400 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1401 (rs6000_override_options): Set rs6000_always_hint to false
1402 for cell. Also align functions/lables/loops to 8byte
1403 for the Cell. Use PROCESSOR_CELL.
1404 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1405 using_mtcr_multiple.
1406 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1407 on the Cell, return 0.
1408 (rs6000_adjust_cost): Add Cell cost adjustments.
1409 (is_microcoded_insn): Return true for Cell microcoded
1411 (is_nonpipeline_insn): New function.
1412 (rs6000_issue_rate): Add PROCESSOR_CELL.
1413 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1415 (rs6000_use_sched_lookahead_guard): New function.
1416 (rs6000_sched_reorder): Reorder the ready list, if the second
1417 to last ready insn is a nonepipeline insn on the Cell.
1418 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1419 (ASM_CPU_SPEC): Add Cell.
1420 * config/rs6000/rs6000.md (cpu): Add Cell.
1421 (cell_micro): New Attr.
1424 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1426 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1428 * configure: Rebuilt.
1430 2006-11-13 Richard Guenther <rguenther@suse.de>
1432 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1434 (ix86_expand_lfloorceil): Likewise.
1435 (ix86_expand_rint): Likewise.
1436 (ix86_expand_floorceildf_32): Likewise.
1437 (ix86_expand_floorceil): Likewise.
1438 (ix86_expand_rounddf_32): Likewise.
1439 (ix86_expand_truncdf_32): Likewise.
1440 (ix86_expand_round): Likewise.
1442 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1443 Mark Mitchell <mark@codesourcery.com>
1445 * gcc.c: Organize search path variables into $prefix relative,
1446 and well-known native. Add comments.
1447 (add_sysrooted_prefix): Add comment.
1448 (process_command): If !gcc_exec_prefix add $prefix based paths.
1449 If *cross_compile == '0', add native well-known paths.
1450 Assert tooldir_base_prefix is always relative.
1451 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1452 use this value for 'install:' path.
1453 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1455 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1457 * config/i386/i386.c: Fix a typo in comment.
1459 2006-11-13 Michael Matz <matz@suse.de>
1461 * genemit.c (gen_expand): Allocate enough memory.
1463 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1465 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1466 __GXX_TYPEINFO_EQUALITY_INLINE but not
1467 __GXX_MERGED_TYPEINFO_NAMES.
1468 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1469 __GXX_MERGED_TYPEINFO_NAMES.
1470 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1471 __GXX_TYPEINFO_EQUALITY_INLINE.
1473 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1474 Zdenek Dvorak <dvorakz@suse.cz>
1476 PR tree-optimization/29680
1477 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1480 2006-11-12 Jason Merrill <jason@redhat.com>
1481 Andrew Pinski <pinskia@physics.uc.edu>
1484 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1486 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1488 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1489 * tree.c (build_vector): Handle non-_CST elements.
1491 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1493 * genemit.c (gen_insn): Call gen_exp with a non-null used
1494 when handling multiple insns.
1495 (gen_expand): Likewise.
1496 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1497 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1498 (movsi_const_16bit+1): Copy operands[1].
1499 (call_pcrel): Copy the call_site pattern.
1500 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1502 2006-11-12 Roger Sayle <roger@eyesopen.com>
1504 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1505 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1506 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1507 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1509 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1511 Fix PR tree-optimization/29587
1512 * tree-ssa-structalias.c (process_constraint): Don't
1513 mark address taken due only to escaped vars constraint.
1515 2006-11-12 Michael Matz <matz@suse.de>
1516 Roger Sayle <roger@eyesopen.com>
1518 PR rtl-optimization/29797
1519 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1520 BITS_BIG_ENDIAN targets.
1522 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1524 * builtins.c (fold_builtin_cosh): New.
1525 (fold_builtin_1): Use it.
1526 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1527 trunc to the list of "odd" functions. Also add llrint, lrint,
1528 rint and nearbyint when flag_rounding_math is false.
1530 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1532 * tree-flow.h (name_mappings_registered_p): Declare.
1533 * tree-into-ssa.c (name_mappings_registered_p): New function.
1534 * tree-cfg.c (tree_can_merge_blocks_p): Check
1535 name_mappings_registered_p instead of need_ssa_update_p.
1537 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1539 * tree-ssa-loop.c (tree_vectorize): Return the result of
1541 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1542 if anything changed.
1543 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1544 * tree-flow.h (vectorize_loops): Declaration changed.
1546 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1548 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1550 (issue_prefetch_ref): Move assignment to write_p out of loop.
1551 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1552 SIMULTANEOUS_PREFETCHES into account.
1553 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1554 * lambda-code.c (lcm): Renamed to ...
1555 (least_common_multiple): ... and exported.
1556 * tree-flow.h (least_common_multiple): Declare.
1558 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1560 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1561 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1562 ud-chains. Handle AND_EXPR.
1563 (record_estimate): Record whether the estimate is realistic
1564 and whether it is derived from a loop exit.
1565 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1566 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1568 (compute_estimated_nb_iterations): Take only realistic bounds into
1569 account. Set estimate_state. Use double_ints.
1570 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1571 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1572 that do not have to be always executed.
1573 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1574 to determine whether to call infer_loop_bounds_from_undefined
1575 and compute_estimated_nb_iterations.
1576 (n_of_executions_at_most): Use double_ints.
1577 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1578 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1579 * double-int.c (double_int_to_tree): Improve comment.
1580 (double_int_fits_to_tree_p): New function.
1581 * double-int.h (double_int_fits_to_tree_p): Declare.
1582 * tree-data-ref.c: Include langhooks.h.
1583 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1584 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1585 (analyze_array): Do not pass estimate_only argument to
1586 analyze_array_indexes.
1587 (get_number_of_iters_for_loop): Build tree from the stored double_int
1589 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1590 (find_data_references_in_loop): Use find_data_references_in_stmt.
1591 * tree-data-ref.h (struct data_ref_loc_d): New.
1592 (get_references_in_stmt): Declare.
1593 (estimate_iters_using_array): Declaration removed.
1594 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1595 double_int. Improve comments. Add is_exit and realistic
1597 (struct loop): Changed type of estimated_nb_iterations to double_int.
1598 Added estimate_state field.
1599 (record_estimate): Declaration removed.
1601 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1603 * params.c (set_param_value): Initialize the "set" field.
1604 * params.h (struct param_info): Add "set" field.
1605 (PARAM_SET_P): New macro.
1606 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1607 L1_CACHE_LINE_SIZE): New macros.
1608 * toplev.c (DEFPARAM): Initialize the "set" field.
1609 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1610 SIMULTANEOUS_PREFETCHES): Removed.
1611 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1612 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1613 * config/sparc/sparc.c: Include params.h.
1614 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1615 L1_CACHE_LINE_SIZE parameters.
1616 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1618 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1620 * config/i386/i386.c: Include params.h.
1621 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1622 (override_options): Set SIMULTANEOUS_PREFETCHES and
1623 L1_CACHE_LINE_SIZE parameters.
1624 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1625 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1626 L1_CACHE_LINE_SIZE parameters.
1627 * config/ia64/ia64.c (ia64_optimization_options): Set
1628 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1629 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1631 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1632 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1633 * doc/invoke.texi: Document new params.
1635 2006-11-12 Roger Sayle <roger@eyesopen.com>
1637 PR tree-optimization/13827
1638 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1641 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1643 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1644 update_single_exit_for_duplicated_loops): New functions.
1645 (duplicate_loop_to_header_edge): Use
1646 update_single_exit_for_duplicated_loops.
1647 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1648 functions only with ENABLE_CHECKING.
1650 2006-11-12 Andreas Schwab <schwab@suse.de>
1652 * except.c (sjlj_emit_function_enter): Remove unused variable.
1654 2006-11-11 Roger Sayle <roger@eyesopen.com>
1656 * fold-const.c (int_binop_types_match_p): New function.
1657 (size_binop): Relax constraint that both arguments must both have
1658 exactly the same sizetype type. Instead use int_binop_types_match_p.
1659 (size_diffop): Likewise.
1661 (make_range): Use build_int_cst instead of fold_convert.
1662 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1663 integer constants of the correct type.
1664 (fold_div_compare): Likewise.
1665 (fold_single_bit_test): Likewise.
1666 (fold_binary): Likewise.
1667 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1668 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1670 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1673 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1674 non null value if the struct memory access is in the 0th
1677 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1680 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1681 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1684 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1685 instead of builtin_define for bfin and BFIN.
1687 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1692 2006-11-11 Jan Hubicka <jh@suse.cz>
1694 * extend.texi (__builtin_expect): We no longer require second argument
1696 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1697 * builtins.c (expand_builtin_expect): Simplify.
1698 (expand_builtin_expect_jump): Kill.
1699 * final.c (final_scan_insn): Do not skip the removed notes.
1700 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1701 EXPECTED_VALUE): Remove.
1702 * dojump.c (do_jump): Do not care about __builtin_expect.
1703 * predict.c (expected_value_to_br_prob): Kill.
1704 * function.c (expand_function_end): Do not expand
1705 NOTE_INSN_REPEATED_LINE_NUMBER.
1706 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1707 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1708 * cfgexpand.c (add_reg_br_prob_note): Export.
1709 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1710 expected_value_to_br_prob.
1711 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1712 * rtl.h (add_reg_br_prob_note): Declare.
1714 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1716 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1718 2006-11-11 Jan Hubicka <jh@suse.cz>
1720 * predict.c (predict_loops): Kill RTL variant.
1722 2006-11-11 Jan Hubicka <jh@suse.cz>
1724 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1725 * modulo-sched.c (find_line_note): Remove.
1726 (loop_canon_p): Do not worry about line number notes.
1727 (sms_schedule): Likewise.
1728 * cse.c (cse_main): Likewise.
1729 * regmove.c (fixup_match_1): Likewise
1730 * function.c (emit_return_info_block): Likewise.
1731 (expand_function_end): Likewise.
1732 (thread_prologue_an_epilogue_insns): Likewise.
1733 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1735 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1736 emit_note_copy_after): Kill.
1737 (emit_note_copy): Do not worry about line numbers.
1738 * jump.c (purge_line_number_notes): Kill.
1739 (pass_purge_lineno_notes): Kill.
1740 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1742 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1743 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1744 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1745 * tree-pass.h (pass_purge_lineno_notes): Kill.
1746 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1747 rm_redundant_line_notes.
1748 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1749 rm_redundant_line_notes.
1750 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1751 * haifa-sched.c: Update comment about handling notes.
1752 (unlink_line_notes): Kill.
1753 (rm_line_notes): Kill.
1754 (save_line_notes): Simplify.
1755 (rm_redundant_line_notes): Kill.
1757 2006-11-11 Richard Guenther <rguenther@suse.de>
1759 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1760 Remove unused tree codes.
1761 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1762 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1763 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1764 * tree.c (stabilize_reference): Likewise.
1765 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1766 fold_unary): Likewise.
1767 * tree-gimple.c (is_gimple_cast): Likewise.
1768 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1769 * expr.c (expand_expr_real_1): Likewise.
1770 * tree-eh.c (tree_could_trap_p): Likewise.
1771 * gimplify.c (gimplify_expr): Likewise.
1772 * tree-inline.c (estimate_num_insns_1): Likewise.
1773 * tree-cfg.c (verify_expr): Likewise.
1775 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1777 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1778 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1779 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1781 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1784 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1785 constraints accept neither registers or memories.
1787 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1789 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1790 (NO_PROFILE_COUNTERS): Define as 1.
1792 2006-11-10 Roger Sayle <roger@eyesopen.com>
1794 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1795 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1797 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1799 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1801 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1804 (fold_builtin_hypot): Likewise.
1805 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1807 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1809 2006-11-10 Roger Sayle <roger@eyesopen.com>
1811 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1812 when attempting to build INTEGER_CSTs of non-integral types.
1813 * expmed.c (make_tree): Use the correct type, i.e. the inner
1814 type, when constructing the individual elements of a CONST_VECTOR.
1816 2006-11-10 Jan Hubicka <jh@suse.cz>
1818 * cse.c (cse_process_notes): Copy the propagated value.
1819 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1821 * gcse.c (try_replace_reg): Copy the replacement.
1822 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1823 (assign_386_stack_local): Always return copied memory expression
1824 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1827 2006-11-10 Jan Hubicka <jh@suse.cz>
1829 * final.c (final): Walk from first instruction.
1830 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1832 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1837 (umulv8hi3_highpart): Ditto.
1838 (vec_widen_smult_hi_v8hi): New expander.
1839 (vec_widen_smult_lo_v8hi): Ditto.
1841 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * builtins.c (do_mpfr_arg3): New.
1845 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1847 2006-11-09 Eric Christopher <echristo@apple.com>
1852 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1853 * config.gcc (powerpc64-*-darwin*): New target.
1854 * config.host: Ditto.
1855 * config/rs6000/darwin64.h: New file.
1856 * config/rs6000/x-darwin64: Ditto.
1857 * config/rs6000/host-ppc64-darwin.c: Ditto.
1859 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1861 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1862 routines for integer division.
1864 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1866 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1868 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1871 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1873 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1875 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1876 simplify_subreg with BLKmode outer mode.
1878 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1880 * doc/invoke.texi: Minor formatting fixes in option lists.
1882 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1884 PR tree-optimization/29738
1885 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1886 (ccp_lattice_t): Remove UNKNOWN_VAL.
1887 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1888 Do not handle UNKNOWN_VAL.
1889 (get_default_value): Set initial value of virtual operands to
1891 (get_value): Always use get_default_value on uninitialized
1893 (set_value_varying, surely_varying_stmt_p): New functions.
1894 (set_lattice_value): Do not pass argument to get_value.
1895 Do not handle UNKNOWN_VAL.
1896 (likely_value): Follow the semantics described in the comment.
1897 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1898 phi nodes DONT_SIMULATE_AGAIN.
1899 (ccp_fold): Do not pass argument to get_value.
1900 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1903 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1905 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1906 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1908 2006-11-08 Roger Sayle <roger@eyesopen.com>
1910 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1911 test for inclusion rather than as a test for exclusion.
1912 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1913 the condition after calling fold_binary.
1914 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1915 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1916 * builtins.c (fold_builtin_isascii): Likewise.
1917 (fold_builtin_isdigit): Likewise.
1919 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1921 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1922 * configure: Regenerate.
1924 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1926 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1927 enum argument instead of bool.
1928 (vect_analyze_operations): Call vectorizable_type_promotion.
1929 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1930 stmt_vec_info_type value.
1931 (supportable_widening_operation, vectorizable_type_promotion): New
1932 function declarations.
1933 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1934 (vectorizable_type_promotion): New function.
1935 (vect_transform_stmt): Call vectorizable_type_promotion.
1936 * tree-vect-analyze.c (supportable_widening_operation): New function.
1937 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1939 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1942 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1943 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1944 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1946 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1947 * expr.c (expand_expr_real_1): Likewise.
1948 * optabs.c (optab_for_tree_code): Likewise.
1949 (init_optabs): Initialize new optabs.
1950 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1951 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1952 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1953 vec_unpacku_lo_optab): Initialize new optabs.
1954 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1955 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1956 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1958 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1959 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1960 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1961 (vec_unpacku_lo_optab): New optabs.
1962 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1963 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1964 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1965 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1966 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1967 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1969 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1970 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1971 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1972 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1973 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1974 implement the unsigned unpacking patterns.
1975 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1976 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1977 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1978 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1979 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1980 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1981 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1982 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1983 multiplication patterns.
1985 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1986 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1987 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1988 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1989 (rs6000_builtin_mul_widen_odd): New.
1990 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1991 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1992 * tree-vectorizer.h (enum vect_relevant): New enum type.
1993 (_stmt_vec_info): Field relevant chaned from bool to enum
1995 (STMT_VINFO_RELEVANT_P): Updated.
1996 (STMT_VINFO_RELEVANT): New.
1997 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1998 instead of STMT_VINFO_RELEVANT_P.
1999 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2000 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2001 and boolean variable with enum vect_relevant.
2002 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2003 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2004 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2006 2006-11-08 Richard Henderson <rth@redhat.com>
2008 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2009 vec_widen_umult_lo_v8hi): New.
2010 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2011 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2013 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2014 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2015 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2016 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2017 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2018 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2019 vec_unpacks_lo_v4si): New.
2021 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2023 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2024 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2025 (vect_analyze_operations): Call vectorizable_type_demotion.
2026 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2027 stmt_vec_info_type value.
2028 (vectorizable_type_demotion): New function declaration.
2029 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2032 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2033 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2035 * tree-iniline.c (estimate_num_insns_1): Likewise.
2036 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2037 * optabs.c (optab_for_tree_code): Likewise.
2039 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2040 compared against the predicate of the result is not 'mode' (the input
2041 to the function) but a mode with half the size of 'mode'.
2042 (init_optab): Initialize new optabs.
2043 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2045 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2047 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2048 (vec_pack_usat_optab): Initialize new optabs.
2049 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2050 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2052 2006-11-08 Richard Henderson <rth@redehat.com>
2054 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2055 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2056 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2057 (vec_interleave_highv4si, vec_interleave_lowv4si):
2058 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2060 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2062 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2064 (vect_transform_stmt): Removed redundant code.
2066 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2068 * tree-vect-transform.c (vectorizable_operation): Support multiple
2071 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2073 * tree-vect-transform.c (vect_align_data_ref): Removed.
2074 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2075 Updated function documentation. Return the increment stmt in ptr_incr.
2076 (bump_vector_ptr): New function.
2077 (vect_get_vec_def_for_stmt_copy): New function.
2078 (vect_finish_stmt_generation): Create a stmt_info to newly created
2080 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2082 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2083 VF is greater than the number of elements that can fit in one vector
2085 (vectorizable_operation, vectorizable_condition): Likewise.
2086 (vectorizable_store, vectorizable_load): Support the case that the VF
2087 is greater than the number of elements that can fit in one vector word.
2088 (vect_transform_loop): Don't fail in case of multiple data-types.
2089 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2090 in case of multiple data-types; the smallest type determines the VF.
2091 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2092 if they are of different sizes.
2093 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2094 number of elements rather than number of bytes.
2095 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2096 (vect_can_advance_ivs_p): Fix a dump printout
2098 2006-11-07 Eric Christopher <echristo@apple.com>
2100 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2101 (__bswapsi2): Ditto.
2102 * libgcc2.h: Remove transformation of bswap routines.
2103 * config/i386/i386.md (bswapsi2): New.
2106 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2108 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2109 (handle_gnu_inline_attribute): New function.
2110 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2111 (merge_decls, start_decl, start_function): Likewise.
2112 * doc/extend.texi: Document gnu_inline attribute.
2114 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2117 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2118 _fixunstfdi, and _floatditf
2120 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2122 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2124 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2125 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2126 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2127 which start in an odd register.
2129 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2131 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2133 2006-11-07 Josh Conner <jconner@apple.com>
2135 * doc/invoke.texi (fstrict-aliasing): Move implementation
2137 * doc/tree-ssa.texi (Alias analysis): ...here.
2139 2006-11-07 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/29610
2142 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2143 of tree_purge_dead_eh_edges as it may free dominators.
2145 * g++.dg/other/pr29610.C: New testcase.
2147 2006-11-07 David Ung <davidu@mips.com>
2149 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2150 costs when optimizing for size.
2151 (override_options): Use mips_rtx_cost_optimize_size table for cost
2154 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2156 * gcc.c (process_command): Treat -b as normal switch if its argument
2159 2006-11-07 David Ung <davidu@mips.com>
2161 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2164 2006-11-06 Eric Christopher <echristo@apple.com>
2166 * config.gcc: Add x86_64-darwin host support.
2167 * config.host: Ditto.
2168 * config/i386/darwin64.h: New file.
2169 * config/i386/t-darwin64: Ditto.
2171 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2173 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2174 and output-exists-not.
2176 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2179 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2180 checking for overflow.
2182 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2184 * configure.ac: Fixed typo in case statement: :: changed to ;;
2186 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2188 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2189 count_leading_zeros, and count_trailing_zeros.
2190 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2191 (TARGET_FOLD_BUILTIN): Define.
2192 (TARGET_EXPAND_BUILTIN): Define.
2193 (xtensa_init_builtins): New.
2194 (xtensa_fold_builtin): New.
2195 (xtensa_expand_builtin): New.
2196 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2197 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2198 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2199 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2200 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2201 (any_extend): New code macro.
2202 (u, su): New code attributes.
2203 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2204 (nsau): Remove; replaced by clzsi2.
2205 (ffssi2): Use clzsi2.
2206 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2207 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2208 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2209 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2210 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2212 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2214 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2216 * config/arm/t-strongarm-elf: Likewise.
2217 * config/arm/t-pe: Likewise.
2218 * config/arm/t-arm-elf: Likewise.
2219 * config/arm/t-xscale-elf: Likewise.
2220 * config/arm/t-arm-coff: Likewise.
2221 * config/arm/t-xscale-coff: Likewise.
2222 * config/arm/t-wince-pe: Likewise.
2224 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2226 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2229 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2232 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2235 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2238 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2239 as a valid 80387 constant.
2240 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2241 * config/i386/i386.md (unnamed splitter): Split the load of
2242 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2245 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2247 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2248 from the soft-frame, argument and virtual registers.
2250 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2252 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2253 patterns for standard 80387 constants.
2255 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2256 Steven Bosscher <steven@gcc.gnu.org>
2258 * fwprop.c: New file.
2259 * Makefile.in: Add fwprop.o.
2260 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2261 * passes.c (init_optimization_passes): Schedule forward propagation.
2262 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2264 * timevar.def (TV_FWPROP): New.
2265 * common.opt (-fforward-propagate): New.
2266 * opts.c (decode_options): Enable forward propagation at -O2.
2267 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2268 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2269 canon_for_address, table_size): Remove.
2270 (new_basic_block, insert, remove_from_table): Remove references to
2272 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2273 simplification loop more straightforward by not calling fold_rtx
2275 (equiv_constant): Move here a small part of fold_rtx_subreg,
2276 do not call fold_rtx. Call avoid_constant_pool_reference
2278 * recog.h (canonicalize_change_group): New.
2280 * doc/invoke.texi (Optimization Options): Document fwprop.
2281 * doc/passes.texi (RTL passes): Document fwprop.
2283 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2285 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2286 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2287 (grokdeclarator): Likewise.
2289 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2291 * tree-dump.c (dump_enable_all): Rename local variable
2292 ir_type to avoid name conflicts.
2293 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2294 instead of using ir_type().
2295 * profile.c (tree_register_profile_hooks): Likewise.
2296 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2297 * basic-block.h (struct edge_def): Likewise.
2298 * config/arm/arm.c (legitimize_pic_address): Likewise.
2299 * coretypes.h (ir_type): New enum of all intermediate languages
2301 * cfghooks.c (ir_type): Rename to...
2302 (current_ir_type): ...this. Distinguish between cfgrtl and
2303 cfglayout mode when the current IR is RTL. Return enum ir_type.
2304 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2306 2006-11-03 Paul Brook <paul@codesourcery.com>
2308 * config/arm/arm.c (arm_file_start): New function.
2309 (TARGET_ASM_FILE_START): Define.
2310 (arm_default_cpu): New variable.
2311 (arm_override_options): Set arm_default_cpu.
2313 2006-11-03 David Ung <davidu@mips.com>
2315 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2316 PROCESSOR_24KC and PROCESSOR_24KF.
2317 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2318 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2319 (mips_rtx_cost_data): Add costs for the 24kc.
2320 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2321 * config/mips/24k.md: Remove references to 24k and replace with
2322 uses of 24kc/24kf in the appropriate reservations.
2323 * doc/invoke.texi (MIPS Options): Updated.
2325 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2327 * config/sh/crt1.asm: Fix #ifdef indent.
2329 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2330 Merged from STMicroelectronics sources:
2331 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2332 * config/sh/crt1.asm (vbr_600): Add missing #if.
2333 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2334 * sh.opt (mfused-madd): New option.
2335 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2336 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2337 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2338 Remove pointless handler at VBR+0.
2339 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2340 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2341 fr7. Make sure the timer handler is called with the correct FPU
2342 precision setting, according to the ABI.
2343 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2344 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2345 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2346 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2347 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2348 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2349 zero as second operand.
2350 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2351 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2352 Fixed some bugs related to negative values, in particular -0
2353 and overflow at -0x80000000.
2354 * config/sh/divcost-analysis: Added sh4-300 figures.
2355 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2356 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2357 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2358 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2359 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2360 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2362 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2364 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2365 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2366 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2367 mac_mem, mem_mac, dfp_mul, fp_cmp.
2368 (insn_class, dfp_comp, any_fp_comp): Update.
2369 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2370 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2371 (muldf3_i): Likewise.
2372 (movsi_i): Split rI08 alternative into two separate alternatives.
2374 (movsi_ie, movsi_i_lowpart): Likewise.
2375 (movqi_i): Split ri alternative into two separate alternatives.
2377 * sh1.md (sh1_load_store, sh1_fp): Update.
2378 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2379 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2380 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2381 (sh4a_fp_double_arith): Likewise.
2382 * sh4-300.md: New file.
2383 * sh.c (sh_handle_option): Handle m4-300* options.
2384 (sh_adjust_cost): Fix latency of auto-increments.
2385 Handle SH4-300 differently than other SH4s. Check for new insn types.
2386 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2387 been set by an option.
2388 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2389 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2390 (mbranch-cost=): Likewise.
2391 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2393 * sh.md (mulsf3): Remove special expansion code.
2394 (mulsf3_ie): Now a define_insn_and_split.
2395 (macsf3): Allow for TARGET_SH4.
2397 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2398 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2399 (expand_cbranchdi4): Likewise.
2400 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2401 CONST_DOUBLE if the outer code is COMPARE.
2402 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2403 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2404 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2405 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2406 Remove redundant fp_{zero,one}_operand checks.
2407 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2408 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2409 (expand_cbranchdi4): Likewise.
2410 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2411 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2413 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2415 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2418 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2420 * doc/invoke.texi: Fix mfp-trap-mode typo.
2422 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2424 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2425 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2426 file_end_indicate_exec_stack.
2427 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2429 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2430 for a non-executable stack.
2431 * crti.asm: Likewise.
2432 * crtn.asm: Likewise.
2433 * libunwind.S: Likewise.
2435 2006-11-02 Ben Elliston <bje@au.ibm.com>
2437 * tree-ssa.c (warn_uninit): Use expand_location variables for
2438 locus and declaration locus.
2440 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2443 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2444 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2445 cmp{eq,gt,gtu}{si,di}_media.
2446 (*cmpne0si_media): Remove.
2447 (*movsicc_umin): Adjust gen_cmp*_media call.
2448 (unordered): Change the mode of unordered and operands[1] to
2450 (seq): Adjust gen_cmp*_media calls. Make the mode of
2451 a temporary result of compare SImode if needed. If the mode
2452 of operands[0] is DImode, extend the temporary result to DImode.
2453 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2454 (sunorderd): Change the mode of match_operand and unorderd to
2456 (cmpeq{sf,df}_media): Remove.
2457 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2458 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2459 and compare operation to SImode.
2461 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2463 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2465 (sparc64-sun-solaris2*): Likewise.
2467 2006-11-02 Paul Brook <paul@codesourcery.com>
2469 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2470 from priority argument. Use different section for non-default
2472 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2474 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2477 * except.c (switch_to_exception_section): Do not cache the section
2478 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2479 and flag_function_sections is set.
2481 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * builtins.c (do_mpfr_sincos): New.
2485 (fold_builtin_1): Use it to fold builtin sincos.
2487 2006-11-01 Roger Sayle <roger@eyesopen.com>
2489 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2490 it into -D_REENTRANT.
2492 2006-11-01 Roger Sayle <roger@eyesopen.com>
2494 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2495 whether the assembler supports taking the difference of symbols in
2496 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2497 * configure: Regenerate.
2498 * config.in: Regenerate.
2499 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2500 the assembler doesn't support taking the difference of symbols in
2501 different sections, i.e. we're using the native solaris assembler.
2503 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2504 Peter Bergner <bergner@vnet.ibm.com>
2506 * doc/invoke.texi: Add cpu_type power6x
2507 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2508 * config.gcc: Add cpu_type power6x.
2509 * configure.ac: Add test for mf{t,f}gpr instructions.
2510 (HAVE_AS_MFPGPR): New.
2511 * config.in: Regenerate.
2512 * configure: Regenerate.
2513 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2514 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2515 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2516 and mftgpr attributes.
2517 (define_attr "cpu"): Add power6.
2518 Change instruction sequences to use new attributes.
2519 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2520 (fix_truncdfsi2_mfpgpr): New.
2521 (floatsidf_ppc64_mfpgpr): New.
2522 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2523 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2524 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2525 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2526 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2527 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2528 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2529 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2530 cntlz,exts and var_delayed_compare.
2531 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2532 _ARCH_PWR6X, if features enabled.
2533 * config/rs6000/rs6000.opt (mmfpgpr): New.
2534 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2535 (cached_can_issue_more): New variable.
2536 (processor_costs): Add power6_cost.
2537 (rs6000_sched_init): New function.
2538 (is_dispatch_slot_restricted): Deleted.
2539 (set_to_load_agen): New function.
2540 (is_load_insn,is_store_insn): New functions.
2541 (adjacent_mem_locations): New function.
2542 (insn_must_be_first_in_group): New function.
2543 (insn_must_be_last_in_group): New function.
2544 (rs6000_sched_reorder): New function.
2545 (rs6000_sched_reorder2): New function.
2546 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2547 TARGET_SCHED_REORDER2): Define.
2548 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2549 Add power6x. Add MASK_MFPGPR for power6x.
2550 (POWERPC_MASKS): Add MASK_MFPGPR.
2551 (rs6000_override_options): Set rs6000_always_hint to false
2552 for power6. Set rs6000_align_branch_targets. Replace
2553 rs6000_sched_groups check with rs6000_align_branch_targets.
2554 Use PROCESSOR_POWER6.
2555 (last_scheduled_insn): New variable.
2556 (load_store_pendulum): New variable.
2557 (rs6000_variable_issue): Set last_scheduled_insn and
2558 cached_can_issue_more.
2559 (rs6000_adjust_cost): Add power6 cost adjustments.
2560 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2561 with insn_must_be_first_in_group. Add power6 priority adjustments.
2562 (rs6000_issue_rate): Add CPU_POWER6.
2563 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2564 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2565 (TARGET_MFPGPR): New.
2566 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2567 (ASM_CPU_SPEC): Add power6x.
2568 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2570 * config/rs6000/power6.md: New file.
2572 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2574 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2575 HOST_WIDE_INT_PRINT to print high and low parts. Use
2576 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2577 printing a hexadecimal number prefix it with 0x.
2579 2006-11-01 Chris Johns <chris@contemporary.net.au>
2582 * Makefile.in (install-driver): Use exeext when installing
2583 $target-gcc-$version.
2585 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2587 * c-common.c (flag_cpp0x): New.
2588 * c-common.h (flag_cpp0x): New.
2589 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2590 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2591 * c-opts.c (set_std_cxx0x): New.
2592 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2593 * c.opt (std=c++0x): Document.
2594 (std=gnu++0x): Ditto.
2595 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2596 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2598 2006-11-01 Richard Guenther <rguenther@suse.de>
2600 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2602 (ix86_expand_floorceildf_32): Likewise.
2603 (ix86_expand_floorceil): Likewise.
2604 (ix86_expand_trunc): Likewise.
2606 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2608 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2611 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2613 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2615 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2617 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2619 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2620 * configure.ac (use_cxa_atexit): As a special case, don't test
2621 for libc definition of __cxa_atexit on mingw32
2622 * configure: Regenerate.
2623 * config.gcc (i[34567]86-pc-mingw32): Default to
2624 enable__cxa_atexit=yes.
2626 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2630 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2633 * c-decl.c (start_struct): Don't create self-containing
2635 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2637 * config/rs6000/rs6000-protos.h
2638 (darwin_rs6000_special_round_type_align): New.
2639 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2640 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2642 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2644 * toplev.c (compile_file): Call final_write_globals
2645 even if there have been errors.
2647 2006-10-31 Eric Christopher <echristo@apple.com>
2648 Falk Hueffner <falk@debian.org>
2650 * doc/extend.texi (__builtin_bswap32): Document.
2651 (__builtin_bswap64): Ditto.
2652 * doc/libgcc.texi (bswapsi2): Document.
2654 * doc/rtl.texi (bswap): Document.
2655 * optabs.c (expand_unop): Don't widen a bswap.
2656 (init_optabs): Init bswap. Set libfuncs explicitly
2657 for bswapsi2 and bswapdi2.
2658 * optabs.h (OTI_bswap): New.
2659 (bswap_optab): Ditto.
2660 * genopinit.c (optabs): Handle bswap_optab.
2661 * tree.h (tree_index): Add TI_UINT32_TYPE and
2663 (uint32_type_node): New.
2664 (uint64_type_node): Ditto.
2665 * tree.c (build_common_tree_nodes_2): Initialize
2666 uint32_type_node and uint64_type_node.
2667 * builtins.c (expand_builtin_bswap): New.
2668 (expand_builtin): Call.
2669 (fold_builtin_bswap): New.
2670 (fold_builtin_1): Call.
2671 * fold-const.c (tree_expr_nonnegative_p): Return true
2673 * builtin-types.def (BT_UINT32): New.
2675 (BT_FN_UINT32_UINT32): Ditto.
2676 (BT_FN_UINT64_UINT64): Ditto.
2677 * builtins.def (BUILT_IN_BSWAP32): New.
2678 (BUILT_IN_BSWAP64): Ditto.
2679 * rtl.def (BSWAP): New.
2680 * genattrtab.c (check_attr_value): New.
2681 * libgcc2.c (__bswapSI2): New.
2682 (__bswapDI2): Ditto.
2683 * libgcc2.h (__bswapSI2): Declare.
2684 (__bswapDI2): Ditto.
2685 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2686 * simplify-rtx.c (simplify_const_unary_operation): Return
2688 * libgcc-std.ver (__bwapsi2): Add.
2689 (__bswapdi2): Ditto.
2690 * reload1.c (eliminate_regs_1): Add bswap.
2691 (elimination_effects): Ditto.
2692 * config/i386/i386.h (x86_bswap): New.
2693 (TARGET_BSWAP): Use.
2694 * config/i386/i386.c (x86_bswap): Set.
2696 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2698 * coverage.c (coverage_checksum_string): Update comment.
2699 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2700 of get_file_function_name.
2701 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2702 of get_file_function_name_long.
2703 * tree.c (get_file_function_name): Rename from
2704 get_file_function_name_long; improve comment; handle 'I' and 'D'
2705 specially when the target has ctor/dtor support; remove special
2707 (get_file_function_name): Remove.
2708 * tree.h (get_file_function_name): Rename from
2709 get_file_function_name_long.
2710 (get_file_function_name): Remove prototype.
2712 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2714 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2715 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2717 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2718 Call dsymutil when compiling and linking one or more source files
2721 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2724 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2726 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2728 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2729 inline static functions in c99 mode.
2732 * doc/extend.texi (Inline): Update.
2733 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2734 * c-decl.c (current_extern_inline): Delete.
2735 (pop_scope): Adjust test for an undefined nested function.
2736 Add warning about undeclared inline function.
2737 (diagnose_mismatched_decls): Update comments. Disallow overriding
2738 of inline functions in a translation unit in C99. Allow inline
2739 declarations in C99 at any time.
2740 (merge_decls): Boolize variables. Handle C99 'extern inline'
2742 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2743 C99 inline semantics.
2744 (start_function): Don't clear current_extern_inline. Don't set
2746 (c_push_function_context): Don't push current_extern_inline.
2747 (c_pop_function_context): Don't restore current_extern_inline.
2750 * c-typeck.c (build_external_ref): Warn about static variables
2751 used in extern inline functions.
2752 * c-decl.c (start_decl): Warn about static variables declared
2753 in extern inline functions.
2755 2006-10-31 Roger Sayle <roger@eyesopen.com>
2758 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2759 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2760 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2761 or y is an even integer.
2763 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2766 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2767 * gthr-posix95.h (__gthread_active_p): Likewise.
2769 2006-10-31 Richard Guenther <rguenther@suse.de>
2771 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2772 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2773 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2774 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2775 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2776 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2777 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2778 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2781 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2783 * opts.c (decode_options): Disable CSE skip blocks.
2785 2006-10-30 Dirk Mueller <dmueller@suse.de>
2787 * c-common.h (strict_aliasing_warning): Fix whitespace.
2788 * c-decl (start_function): Move code for main decl warning ..
2789 * c-common.c (check_main_parameter_types): .. here.
2790 * c-common.h (check_main_parameter_types): Declare.
2792 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2795 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2797 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2799 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2800 be a PARALLEL containing sets. Return false when out_pat is not
2803 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2805 * config/mips/mips.md (mul<mode>3): Split into...
2806 (mulsi3, muldi3): ...these separate patterns.
2808 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2810 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2811 but with each set of options separated by spaces.
2813 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2815 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2816 dwarf_reg_size_table has been initialized.
2818 2006-10-30 Roger Sayle <roger@eyesopen.com>
2820 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2821 * ddg.c (print_ddg_edge): Likewise.
2822 * dwarf2out.c (prune_unused_types_walk): Likewise.
2823 * ifcvt.c (noce_try_cmove_arith): Likewise.
2824 * langhooks.c (add_builtin_function): Likewise.
2825 * reg-stack.c (subst_stack_regs_pat): Likewise.
2826 * tree.c (expanded_location): Likewise.
2827 * tree-dump.c (dequeue_and_dump): Likewise.
2829 2006-10-30 David Daney <ddaney@avtrex.com>
2831 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2833 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2835 PR tree-optimization/29637
2836 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2837 of the innertype is the innertype itself.
2839 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2841 * dwarf2out.c (file_name_acquire): Correct typo.
2843 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2845 * tree.h (tree_value_handle): Remove struct value_set declaration.
2846 Change value_set to bitmap_set.
2847 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2848 * tree-vn.c (get_value_handle): Made inline and moved to
2850 * tree-flow-inline.h: (has_stmt_ann): New function.
2851 * tree-ssa-pre.c (expressions): New variable.
2852 (next_expression_id): Ditto.
2853 (alloc_expression_id): New function.
2854 (struct value_set): Remove.
2855 (get_expression_id): New function.
2856 (get_or_alloc_expression_id): Ditto.
2857 (expression_for_id): Ditto.
2858 (clear_expression_ids): Ditto.
2859 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2860 (bb_value_sets): Renamed to bb_bitmap_sets.
2861 All value sets replaced with bitmap_sets.
2863 (BB_VISITED): New macro.
2864 (postorder): New variable.
2865 (add_to_value): Removed.
2866 (value_exists_in_set_bitmap): Ditto.
2867 (value_insert_into_set_bitmap): Ditto.
2870 (set_remove): Ditto.
2871 (set_contains_value): Ditto.
2872 (insert_into_set): Ditto.
2874 (find_leader): Ditto.
2875 (bitmap_set_subtract_from_value_set): Ditto.
2876 (value_insert_into_set): Ditto.
2877 (print_value_set): Ditto.
2878 (debug_value_set): Ditto.
2879 (constant_expr_p): New function.
2880 (bitmap_remove_from_set): Ditto.
2881 (bitmap_insert_into_set): Ditto.
2882 (bitmap_set_free): Ditto.
2883 (vh_compare): Ditto.
2884 (sorted_array_from_bitmap_set): Ditto.
2885 (bitmap_set_subtract): Ditto.
2886 (bitmap_set_equal): Ditto.
2887 (debug_bitmap_set): Ditto.
2888 (find_leader_in_sets): Ditto.
2889 (bitmap_set_replace_value): Modify for bitmapped sets.
2890 (phi_translate): Ditto.
2891 (phi_translate_set): Ditto.
2892 (bitmap_find_leader): Ditto.
2893 (valid_in_sets): Ditto.
2894 (union_contains_value): Ditto.
2896 (compute_antic_aux): Ditto. Mark changed blocks.
2897 (compute_antic): Ditto. Iterate in postorder and only over
2899 (compute_rvuse_and_antic_safe): Reuse postorder.
2900 (create_component_ref_by_pieces): Modify for bitmapped sets.
2901 (find_or_generate_expression): Ditto.
2902 (create_expression_by_pieces): Ditto.
2903 (insert_into_preds_of_block): Ditto.
2904 (changed_blocks): New variable.
2905 (do_regular_insertion): Broken out from insert_aux.
2906 (insert_aux): Modified for bitmapped sets.
2907 (find_existing_value_expr): New function.
2908 (create_value_expr_from): Use it.
2909 (insert_extra_phis): Removed.
2910 (print_bitmap_set): Renamed from bitmap_print_value_set.
2911 (compute_avail): Handle RETURN_EXPR.
2912 (init_pre): Modify for bitmapped sets.
2913 * tree-flow.h (has_stmt_ann): New function.
2915 2006-10-29 Roger Sayle <roger@eyesopen.com>
2917 * builtins.c (fold_builtin_floor): Check for the availability of
2918 the C99 trunc function before transforming floor into trunc.
2920 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2922 * builtins.c (fold_builtin_hypot): Rearrange recursive
2923 transformation before others, and also do ABS_EXPR. When
2924 necessary, check flag_unsafe_math_optimizations. When necessary,
2927 2006-10-29 Roger Sayle <roger@eyesopen.com>
2929 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2930 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2931 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2932 Fold -X eq/ne -Y as X eq/ne Y.
2934 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2936 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2937 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2938 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2939 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2940 Use an inclusive test for "mult" rather than "mul".
2941 (rotr<mode>3): Depend on ISA_HAS_ROR.
2942 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2944 (GENERATE_MULT3_DI): Delete.
2945 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2946 (ISA_HAS_MUL3): New macro.
2947 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2948 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2949 (ISA_HAS_CLZ_CLO): Likewise.
2950 (ISA_HAS_DCLZ_DCLO): Delete.
2951 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2952 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2953 the VR4120 and VR4130.
2954 (ISA_HAS_MACCHI): Use consistent formatting.
2955 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2956 (ISA_HAS_ROR): ...this new macro.
2957 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2958 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2959 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2961 2006-10-29 Roger Sayle <roger@eyesopen.com>
2963 PR tree-optimization/15458
2964 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2967 2006-10-29 Richard Guenther <rguenther@suse.de>
2969 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2970 (ix86_expand_truncdf_32): Likewise.
2971 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2972 trunc inline for SSE math and -fno-trapping-math and if not
2973 optimizing for size.
2974 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2975 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2976 for expanding btrunc inline for SSE math.
2978 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2980 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2981 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2982 i[34567]86-*-solaris2.1[0-9]*.
2983 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2984 Define conditionally depending on TARGET_64BIT_DEFAULT.
2985 (SPEC_32, SPEC_64): Define.
2986 (LINK_SPEC): Use them.
2987 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2989 2006-10-29 Richard Guenther <rguenther@suse.de>
2991 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2992 (ix86_expand_rounddf_32): Likewise.
2993 * config/i386/i386.c (ix86_expand_round): New function expanding
2994 round inline for SSE math and -fno-trapping-math and if not
2995 optimizing for size.
2996 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2997 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2998 round via ix86_expand_round.
3000 2006-10-29 Richard Guenther <rguenther@suse.de>
3002 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3003 (ix86_expand_floorceildf_32): Likewise.
3004 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3005 static helper function.
3006 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3008 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3009 * config/i386/i386.md (floordf2): Adjust to enable floor
3010 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3011 -fno-trapping-math is enabled and if not optimizing for size.
3012 (floorsf2, ceildf2, ceilsf2): Likewise.
3013 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3014 (sse2_maskcmpdf3): Likewise.
3016 2006-10-29 Richard Guenther <rguenther@suse.de>
3018 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3019 rint in case -fno-trapping-math is enabled.
3020 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3021 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3022 (ix86_expand_sse_fabs): Likewise.
3023 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3024 * config/i386/i386.md (rintdf2): Enable for SSE math if
3025 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3026 (rintsf2): Likewise.
3028 2006-10-29 Richard Guenther <rguenther@suse.de>
3030 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3031 to conversion optabs.
3032 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3033 as conversion optab.
3034 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3035 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3036 (lfloor_optab, lceil_optab): Adjust defines.
3037 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3038 lfloor and lceil optabs now being conversion optabs.
3039 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3040 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3041 New static helper function.
3042 (ix86_expand_lfloorceil): New function to expand lfloor and
3044 * config/i386/i386.md (lfloor<mode>2): Split into ...
3045 (lfloorxf<mode>2): ... x87 variant
3046 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3047 using ix86_expand_lfloorceil.
3048 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3050 * doc/md.texi (lfloorMN, lceilMN): Document.
3052 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3054 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3055 -mno-shared assembler option on mips targets.
3056 * configure, config.in: Regenerate.
3057 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3058 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3059 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3061 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3063 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3064 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3066 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3068 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3069 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3072 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3076 (fold_builtin_pow): Evaluate constant arguments at compile-time
3078 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3079 (do_mpfr_ckconv): New helper function.
3080 (do_mpfr_arg1): Use do_mpfr_ckconv.
3081 (do_mpfr_arg2): New.
3083 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3086 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3087 (-fdump-rtl-sched): Rename to ..
3088 (-fdump-rtl-sched1): here. Also fix file extension number.
3090 2006-10-28 Richard Guenther <rguenther@suse.de>
3092 * fold-const.c (maybe_canonicalize_comparison): Fix code
3095 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3097 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3098 (NON_QI_REG_P): Use IN_RANGE.
3099 (REX_INT_REGNO_P): Use IN_RANGE.
3100 (FP_REGNO_P): Use IN_RANGE.
3101 (SSE_REGNO_P): Use IN_RANGE.
3102 (REX_SSE_REGNO_P): Use IN_RANGE.
3103 (MMX_REGNO_P): Use IN_RANGE.
3104 (STACK_REGNO_P): New macro.
3105 (STACK_REG_P): Use STACK_REGNO_P.
3106 (NON_STACK_REG_P): Use STACK_REGNO_P.
3107 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3108 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3109 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3110 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3111 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3113 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3115 * except.h (output_function_exception_table): Add 'const char*' param.
3116 * except.c (switch_to_exception_section): Add 'const char*' param.
3117 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3118 and flag_function_sections is set, use a function-specific section.
3119 (output_function_exception_table): Add 'const char*' param.
3120 Adjust call to switch_to_exception_section.
3121 * final.c (rest_of_handle_final): Adjust calls to
3122 output_function_exception_table.
3123 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3124 * config.in: Regenerate.
3125 * configure: Likewise.
3127 2006-10-28 Richard Guenther <rguenther@suse.de>
3130 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3131 for maybe_canonicalize_comparison.
3132 (maybe_canonicalize_comparison): New function for canonicalizing
3134 (fold_comparison): Call it to canonicalize comparisons with
3137 2006-10-28 Richard Guenther <rguenther@suse.de>
3140 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3141 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3142 (expand_builtin): Adjust likewise.
3143 * genopinit.c (optabs[]): Add lround optab.
3144 * optabs.c (init_optabs): Initialize lround_optab.
3145 * optabs.h (enum convert_optab_index): Add COI_lround.
3146 (lround_optab): Define.
3147 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3148 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3150 (ix86_expand_lround): New function.
3151 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3153 * doc/md.texi (lroundMN2): Document.
3155 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3158 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3159 argument to HOST_WIDE_INT. Update function prototype.
3160 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3161 "size" argument to HOST_WIDE_INT. Update function prototype.
3163 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3165 * config/i386/i386.c (output_387_ffreep): Create output from a
3166 template string for !HAVE_AS_IX86_FFREEP.
3168 2006-10-27 Eric Christopher <echristo@apple.com>
3170 * config/darwin.c: Fix formatting and grammar.
3172 2006-10-27 Jan Hubicka <jh@suse.cz>
3174 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3175 to be thrown away soon when IGNORE is set.
3176 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3177 indicating when return value shall not be computed.
3178 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3180 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3182 * config/i386/i386.h (TARGET_GEODE):
3183 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3184 (TARGET_CPU_DEFAULT_geode): New macro.
3185 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3186 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3187 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3188 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3189 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3191 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3192 (processor_type): Add PROCESSOR_GEODE.
3194 * config/i386/i386.md: Include geode.md.
3197 * config/i386/i386.c (geode_cost): New initialized global
3199 (m_GEODE, m_K6_GEODE): New macros.
3200 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3201 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3202 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3203 x86_schedule): Use m_K6_GEODE instead of m_K6.
3204 (x86_movx, x86_cmove): Set up m_GEODE.
3205 (x86_integer_DFmode_moves): Clear m_GEODE.
3206 (processor_target_table): Add entry for geode.
3207 (processor_alias_table): Ditto.
3209 * config/i386/geode.md: New file.
3211 * doc/invoke.texi: Add entry about geode processor.
3213 2006-10-27 Mike Stump <mrs@apple.com>
3215 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3216 __DYNAMIC__ from here back to ...
3217 * config/darwin.h (CPP_SPEC): ... here.
3219 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3220 Nathan Sidwell <nathan@codesourcery.com>
3222 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3223 when choosing the minimum heapsize.
3225 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3227 * gcc/unwind-dw2.h: Move cfa-related variables into
3228 struct frame_state_reg_info to ensure that the CFA is properly
3229 handled when executing DW_CFA_{remember,restore}_state.
3230 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3231 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3232 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3233 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3234 gcc/config/rs6000/linux-unwind.h,
3235 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3236 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3237 Modify to use new cfa_* fields.
3239 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3241 * config/s390/s390.c (s390_init_frame_layout): Check positive
3244 2006-10-26 Ben Elliston <bje@au.ibm.com>
3246 * gimplify.c (get_name): Remove extraneous break.
3247 (gimplify_omp_for): Initialise ret with GS_OK.
3249 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3251 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3252 Add unix98.o to link line.
3254 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3257 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3258 Calculate compile-time constants using MPFR.
3259 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3260 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3262 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3264 * config/xtensa/lib2funcs.S: Use C-style comments.
3266 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3268 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3269 (file_table_relative_p): Likewise.
3270 (dwarf2out_finish): Likewise.
3271 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3273 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3275 * tree-ssa-structalias.c (intra_create_variable_infos):
3276 Don't recreate nonlocal_all if it already exists.
3278 2006-10-25 Richard Guenther <rguenther@suse.de>
3281 * optabs.h (enum optab_index): Remove OTI_lrint.
3282 (enum convert_optab_index): Add COI_lrint.
3283 (lrint_optab): Adjust.
3284 (expand_sfix_optab): Declare.
3285 * optabs.c (expand_sfix_optab): New function.
3286 (init_optabs): Init lrint_optab as conversion optab.
3287 * genopinit.c (lrint_optab): Change to a conversion optab.
3288 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3289 expansion via conversion optab.
3290 * config/i386/i386.md (*fistdi2_1): Remove
3291 flag_unsafe_math_optimizations guard.
3292 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3293 fist<mode>2_with_temp): Likewise.
3294 (lrint<mode>2): Split into...
3295 (lrintxf<mode>2): ... x87 part
3296 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3297 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3298 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3299 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3300 * doc/md.texi (lrintMN2): Document.
3302 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3305 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3306 Use inc and dec instructions for TARGET_USE_INCDEC.
3307 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3308 ("sync_double_compare_and_swap<mode>"): Likewise.
3309 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3310 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3311 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3312 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3313 ("sync_old_add<mode>"): Likewise.
3314 ("sync_lock_test_and_set<mode>"): Likewise.
3315 ("sync_lock_test_and_set<mode>"): Likewise.
3316 ("sync_add<mode>"): Likewise.
3317 ("sync_sub<mode>"): Likewise.
3318 ("sync_ior<mode>"): Likewise.
3319 ("sync_and<mode>"): Likewise.
3320 ("sync_xor<mode>"): Likewise.
3322 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3324 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3325 (remainder_optab): Define corresponding macro.
3326 (drem_optab): Remove.
3327 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3328 drem_optab initialization.
3329 * genopinit.c (optabs): Implement remainder_optab using
3330 remainder?f3 patterns. Remove drem_optab.
3331 * builtins.c (expand_builtin_mathfn_2): Handle
3332 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3333 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3334 expand_builtin_mathfn_2.
3336 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3337 depend on flag_unsafe_math_optimizations.
3339 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3340 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3341 Do not depend on flag_unsafe_math_optimizations. Use
3342 truncxf?f expander instead of truncxf?f_i387_noop.
3344 ("fpremxf4", "fprem1xf4"): Do not depend on
3345 flag_unsafe_math_optimizations.
3346 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3347 flag_unsafe_math_optimizations. Use truncxf?f expander
3348 instead of truncxf?f_i387_noop.
3350 * doc/md.texi (fmod, remainder): Document standard named pattern.
3352 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3353 David Daney <ddaney@avtrex.com>
3356 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3358 2006-10-25 Ben Elliston <bje@au.ibm.com>
3360 * doc/extend.texi (Variable Attributes): Typo fix.
3362 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3364 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3365 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3366 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3367 (FRAME_POINTER_REGNUM): Update register number to 21.
3368 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3369 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3371 * config/i386/i386.c (regclass_map): Add fpcr entry.
3372 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3374 (print_reg): Assert REGNO (x) != FPCR_REG.
3376 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3377 (DIRFLAG_REG): Renumber.
3378 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3379 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3380 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3381 hardcoded SSE register numbers.
3383 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3384 hardcoded MMX register numbers.
3386 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3389 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3390 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3392 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3393 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3394 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3395 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3397 2006-10-24 Richard Guenther <rguenther@suse.de>
3400 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3401 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3402 for deciding optimizations in consistency with fold-const.c
3403 (fold_builtin_unordered_cmp): Likewise.
3405 2006-10-24 Richard Guenther <rguenther@suse.de>
3407 * builtins.c (fold_builtin_floor): Fold floor (x) where
3408 x is nonnegative to trunc (x).
3409 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3410 nonnegative to FIX_TRUNC_EXPR.
3412 2006-10-24 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/29567
3415 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3416 for TRUTH_NOT_EXPR. Clarify comments.
3418 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3421 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3422 at compile-time using MPFR. Change parameter VALUE to FUNC,
3424 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3425 for overflow and underflow at all times and avoid folding in
3428 2006-10-24 Ben Elliston <bje@au.ibm.com>
3430 * reload1.c: Formatting fixes.
3432 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3434 PR tree-optimization/14784
3435 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3436 * tree-ssa-structalias.c (get_constraint_for,
3437 intra_create_variable_infos): Set is_heapvar.
3438 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3439 non-heapvar pointer variables specially.
3441 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3444 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3445 fold_builtin_tan): Fold all constant arguments. Take a "type"
3446 argument as necessary.
3447 (do_mpfr_arg1): New.
3448 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3450 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3452 * config/xtensa/lib1funcs.asm: Use C-style comments.
3454 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3456 * tree.c (local_define_builtin): Replace calls to
3457 lang_hooks.builtin_function with add_builtin_function.
3458 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3460 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3462 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3463 common code to add_builtin_function.
3464 * langhooks.c (add_builtin_function): New function.
3465 (lhd_builtin_function): New function.
3466 * langhooks.h (struct lang_hooks): Change the signature of
3468 (add_builtin_function): New function.
3469 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3470 calls to lang_hooks.builtin_function with add_builtin_function.
3471 * c-common.c (decl_builtin_1): Replace calls to
3472 lang_hooks.builtin_function with add_builtin_function.
3473 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3474 lang_hooks.builtin_function with add_builtin_function.
3475 * config/frv/frv.c (def_builtin): Replace calls to
3476 lang_hooks.builtin_function with add_builtin_function.
3477 * config/s390/s390.c (s390_init_builtins): Replace calls to
3478 lang_hooks.builtin_function with add_builtin_function.
3479 * config/sparc/sparc.c (def_builtin): Replace calls to
3480 lang_hooks.builtin_function with add_builtin_function.
3481 * config/i386/i386.c (def_builtin): Replace calls to
3482 lang_hooks.builtin_function with add_builtin_function.
3483 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3484 lang_hooks.builtin_function with add_builtin_function.
3485 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3486 lang_hooks.builtin_function with add_builtin_function.
3487 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3488 Replace calls to lang_hooks.builtin_function with
3489 add_builtin_function.
3490 * config/iq2000/iq2000.c (def_builtin):
3491 Replace calls to lang_hooks.builtin_function with
3492 add_builtin_function.
3493 * config/ia64/ia64.c (def_builtin): Replace calls to
3494 lang_hooks.builtin_function with add_builtin_function.
3495 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3496 lang_hooks.builtin_function with add_builtin_function.
3497 (altivec_init_builtins): Replace calls to
3498 lang_hooks.builtin_function with add_builtin_function.
3499 * config/arm/arm.c (def_mbuiltin): Replace calls to
3500 lang_hooks.builtin_function with add_builtin_function.
3501 (arm_init_tls_builtins): Replace calls to
3502 lang_hooks.builtin_function with add_builtin_function.
3503 * config/mips/mips.c (mips_init_builtins): Replace calls to
3504 lang_hooks.builtin_function with add_builtin_function.
3505 * config/bfin/bfin.c (def_builtin): Replace calls to
3506 lang_hooks.builtin_function with add_builtin_function.
3507 * langhooks-def.h (lhd_builtin_function): New function.
3508 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3510 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3512 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3513 BUILT_IN_STRNCAT_CHK.
3515 2006-10-23 Jan Hubicka <jh@suse.cz>
3517 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3518 don't do conversion from memmove to memcpy here.
3519 (expand_builtin_bcopy, expand_builtin): Update call of
3520 expand_builtin_memmove.
3521 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3523 2006-10-23 Paul Brook <paul@codesourcery.com>
3525 * stor-layout.c (start_record_layout): maximum_field_alignment
3526 overrides STRUCTURE_SIZE_BOUNDARY.
3528 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3530 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3531 nonlocal function symbols if flag_pic.
3533 2006-10-23 Richard Guenther <rguenther@suse.de>
3537 * builtins.c (fold_binary): Remove checks for flag_wrapv
3538 and flag_trapv where negate_expr_p covers these cases.
3540 2006-10-23 Richard Guenther <rguenther@suse.de>
3543 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3544 of two on the absolute value.
3545 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3546 and negating -C does not overflow.
3548 2006-10-23 Richard Guenther <rguenther@suse.de>
3551 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3552 only if not flag_rounding_math.
3554 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3555 Kaz Kojima <kkojima@gcc.gnu.org>
3558 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3559 SImode memory reference for the source of a movua.
3560 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3561 (movua): Use an unspec instead of sign_extract. Expect the source
3562 to have mode BLKmode.
3563 (extv, insv): Use a BLKmode rather than SImode memory reference
3564 for the source of a movua.
3566 2006-10-22 Jeff Law <law@redhat.com>
3567 Richard Guenther <rguenther@suse.de>
3569 PR tree-optimization/15911
3570 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3571 (register_edge_assert_for_1): Likewise.
3572 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3573 (find_conditional_asserts): Adjust for new function signature.
3574 (find_assert_locations): Likewise.
3576 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3578 * config/i386/tmmintrin.h: Remove the duplicated content.
3580 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3582 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3583 (x86_64-*-*): Likewise.
3585 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3586 (override_options): Check SSSE3.
3587 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3588 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3589 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3590 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3591 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3592 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3593 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3594 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3595 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3596 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3597 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3598 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3599 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3600 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3601 IX86_BUILTIN_PABSD128.
3602 (bdesc_2arg): Add SSSE3.
3603 (bdesc_1arg): Likewise.
3604 (ix86_init_mmx_sse_builtins): Support SSSE3.
3605 (ix86_expand_builtin): Likewise.
3606 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3608 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3609 (UNSPEC_PSIGN): Likewise.
3610 (UNSPEC_PALIGNR): Likewise.
3611 Include mmx.md before sse.md.
3613 * config/i386/i386.opt: Add -mssse3.
3615 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3616 (ssse3_phaddwv4hi3): Likewise.
3617 (ssse3_phadddv4si3): Likewise.
3618 (ssse3_phadddv2si3): Likewise.
3619 (ssse3_phaddswv8hi3): Likewise.
3620 (ssse3_phaddswv4hi3): Likewise.
3621 (ssse3_phsubwv8hi3): Likewise.
3622 (ssse3_phsubwv4hi3): Likewise.
3623 (ssse3_phsubdv4si3): Likewise.
3624 (ssse3_phsubdv2si3): Likewise.
3625 (ssse3_phsubswv8hi3): Likewise.
3626 (ssse3_phsubswv4hi3): Likewise.
3627 (ssse3_pmaddubswv8hi3): Likewise.
3628 (ssse3_pmaddubswv4hi3): Likewise.
3629 (ssse3_pmulhrswv8hi3): Likewise.
3630 (ssse3_pmulhrswv4hi3): Likewise.
3631 (ssse3_pshufbv16qi3): Likewise.
3632 (ssse3_pshufbv8qi3): Likewise.
3633 (ssse3_psign<mode>3): Likewise.
3634 (ssse3_psign<mode>3): Likewise.
3635 (ssse3_palignrti): Likewise.
3636 (ssse3_palignrdi): Likewise.
3637 (abs<mode>2): Likewise.
3638 (abs<mode>2): Likewise.
3640 * config/i386/tmmintrin.h: New file.
3642 * doc/extend.texi: Document SSSE3 built-in functions.
3644 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3646 2006-10-22 Ira Rosen <irar@il.ibm.com>
3648 * tree-vect-transform.c (vectorizable_load): Use the type of the
3649 return value of the mask_for_load builtin to create realign_load
3652 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3654 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3657 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3659 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3660 (UNSPEC_LDDQU): This.
3661 * config/i386/sse.md (sse3_lddqu): Updated.
3663 2006-10-21 Richard Guenther <rguenther@suse.de>
3665 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3666 (expand_builtin): Use it to expand lrint instead of
3667 expand_builtin_mathfn.
3669 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3672 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3673 flag_unsafe_math_optimizations is set.
3675 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3678 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3679 patterns to use memory input operand in x87->mem->XMM
3680 reload sequences. Skip transformation for TARGET_K8.
3682 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3684 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3685 force operand1 to register if both operands are memory operands.
3686 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3687 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3688 if both operands are memory operands.
3689 (truncdfsf2): Do not force operand1 to register if both operands
3690 are memory operands.
3692 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3694 * Makefile.in (LIBS): Add $(GMPLIBS).
3695 * doc/install.texi: Update GMP and MPFR requirements.
3696 * doc/sourcebuild.texi (need_gmp): Delete.
3698 2006-10-21 Richard Guenther <rguenther@suse.de>
3700 PR tree-optimization/3511
3701 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3702 got new invariant arguments during PHI translation.
3704 2006-10-21 Richard Guenther <rguenther@suse.de>
3707 * fold-const.c (fold_comparison): Fold signed comparisons
3708 of the form X +- C1 CMP Y +- C2.
3710 2006-10-21 Richard Guenther <rguenther@suse.de>
3713 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3714 if flag_unsafe_math_optimizations is specified. We have
3715 flag_finite_math_only for that.
3716 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3717 or flag_unsafe_math_optimizations.
3719 2006-10-21 Richard Guenther <rguenther@suse.de>
3721 * builtins.c (fold_builtin_classify): Fix typo.
3723 2006-10-21 Richard Guenther <rguenther@suse.de>
3726 * simplify-rtx.c (simplify_const_relational_operation):
3727 Do not constant-fold ORDERED and UNORDERED for
3728 flag_unsafe_math_optimizations but only we do not need to
3729 honor NaNs for the given mode.
3731 2006-10-21 Richard Guenther <rguenther@suse.de>
3734 * config/i386/i386.c (classify_argument): Remove redundant
3735 walking of the BINFOs.
3736 (contains_128bit_aligned_vector_p): Likewise.
3738 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3740 * BASE-VER: Set to 4.3.0.
3742 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3744 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3745 (tree_decl_with_vis): Remove artificial_pta_var flag.
3746 * tree-flow.h (referenced_var_check_and_insert): Expose.
3747 (nonlocal_all): New prototype.
3748 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3749 (nonlocal_all): Make global.
3750 (nonlocal_lookup): Remove.
3751 (nonlocal_insert): Ditto.
3752 (create_nonlocal_var): Do not call nonlocal_insert.
3753 (get_nonlocal_id_for_type): Remove.
3754 (find_global_initializers): Mark new vars we find for renaming.
3755 (intra_create_variable_infos): Only create one nonlocal.
3756 (expand_nonlocal_solutions): Remove.
3757 (compute_points_to_sets): Don't call it.
3758 (ipa_pta_execute): Ditto.
3759 (init_alias_heapvars): Don't create nonlocal_for_type.
3760 (delete_alias_heapvars): Don't remove it.
3761 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3764 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3766 * doc/install.texi (Downloading GCC): Clarify mention of
3767 Fortran in the "full distribution" description.
3769 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3771 Fix PR tree-optimization/28778
3772 Fix PR tree-optimization/29156
3773 Fix PR tree-optimization/29415
3774 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3775 (tree_decl_with_vis): Add artificial_pta_var flag.
3776 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3777 pushed into callers.
3778 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3779 (nonlocal_all): Ditto.
3780 (struct variable_info): Add directly_dereferenced member.
3781 (var_escaped_vars): New variable.
3782 (escaped_vars_tree): Ditto.
3783 (escaped_vars_id): Ditto.
3784 (nonlocal_vars_id): Ditto.
3785 (new_var_info): Set directly_dereferenced.
3786 (graph_size): New variable
3787 (build_constraint_graph): Use graph_size.
3788 (solve_graph): Don't process constraints that cannot change the
3789 solution, don't try to propagate an empty solution to our
3791 (process_constraint): Set directly_dereferenced.
3792 (could_have_pointers): New function.
3793 (get_constraint_for_component_ref): Don't process STRING_CST.
3794 (nonlocal_lookup): New function.
3795 (nonlocal_insert): Ditto.
3796 (create_nonlocal_var): Ditto.
3797 (get_nonlocal_id_for_type): Ditto.
3798 (get_constraint_for): Allow results vector to be empty in the case
3799 of string constants.
3800 Handle results of calls properly.
3801 (update_alias_info): Update alias info stats on number and type of
3803 (find_func_aliases): Use could_have_pointers.
3804 (make_constraint_from_escaped): Renamed from
3805 make_constraint_to_anything, and changed to make constraints from
3807 (make_constraint_to_escaped): New function.
3808 (find_global_initializers): Ditto.
3809 (create_variable_info_for): Make constraint from escaped to any
3810 global variable, and from any global variable to the set of
3812 (intra_create_variable_infos): Deal with escaped instead of
3813 pointing to anything.
3814 (set_uids_in_ptset): Do type pruning on directly dereferenced
3816 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3817 (init_base_vars): Fix comment, and initialize escaped_vars.
3818 (need_to_solve): Removed.
3819 (find_escape_constraints): New function.
3820 (expand_nonlocal_solutions): Ditto.
3821 (compute_points_to_sets): Call find_escape_constraints and
3822 expand_nonlocal_solutions.
3823 (delete_points_to_sets): Don't fall off the end of the graph.
3824 (init_alias_heapvars): Initialize nonlocal_for_type and
3826 (delete_alias_heapvars): Free nonlocal_for_type and null out
3829 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3831 * fold-const.c (add_double): Rename to add_double_with_sign.
3832 Add 'unsigned_p' parameter and take it into account for the overflow.
3833 (mul_double): Rename to mul_double_with_sign.
3834 Add 'unsigned_p' parameter and take it into account for the overflow.
3835 (fold_div_compare): Call add_double_with_sign instead of add_double
3836 and mul_double_with_sign instead of mul_double, passing them the
3837 unsignedness of the type.
3838 * tree.h (add_double): Macroize.
3839 (add_double_with_sign): New prototype.
3840 (mul_double): Macroize.
3841 (mul_double_with_sign): New prototype.
3843 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3845 * config/score/crti.asm: New file.
3846 * config/score/crtn.asm: New file.
3847 * config/score/elf.h: New file.
3848 * config/score/mac.md: New file.
3849 * config/score/misc.md: New file.
3850 * config/score/mul-div.S: New file.
3851 * config/score/predicates.md: New file.
3852 * config/score/score7.md: New file.
3853 * config/score/score.c: New file.
3854 * config/score/score-conv.h: New file.
3855 * config/score/score.h: New file.
3856 * config/score/score.md: New file.
3857 * config/score/score-mdaux.c: New file.
3858 * config/score/score-mdaux.h: New file.
3859 * config/score/score-modes.def: New file.
3860 * config/score/score.opt: New file.
3861 * config/score/score-protos.h: New file.
3862 * config/score/score-version.h: New file.
3863 * config/score/t-score-elf: New file.
3864 * config.gcc: Add score*-*-* configurations(Update before).
3865 * doc/invoke.texi (Score Options): New section.
3866 * doc/md.texi (Score family): New section to document constraints.
3868 2006-10-19 Nick Clifton <nickc@redhat.com>
3870 * config/arm/arm.c: Fix spelling typo.
3872 2006-10-18 Tom Tromey <tromey@redhat.com>
3874 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3876 2006-10-18 Jan Hubicka <jh@suse.cz>
3879 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3882 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3884 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3885 TSI_SAME_STMT, since that's the desired entity.
3887 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3889 * config/s390/contraints.md: New file.
3890 * config/s390/s390-protos.h (s390_mem_constraint,
3891 s390_O_constraint_str, s390_N_constraint_str,
3892 s390_float_const_zero_p): Function prototypes added.
3893 * config/s390/s390.c (s390_extra_constraint_str,
3894 s390_const_double_ok_for_constraint_p,
3895 s390_const_ok_for_constraint_p): Functions removed.
3896 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3897 s390_float_const_zero_p): New functions.
3898 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3899 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3900 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3901 Macro definitions removed.
3902 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3903 s390_extra_constraint_str): Functions removed.
3905 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3906 Richard Sandiford <richard@codesourcery.com>
3909 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3910 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3912 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3914 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3915 (DWARF2_FRAME_REG_OUT): Likewise.
3916 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3917 (DWARF2_FRAME_REG_OUT): Likewise.
3919 2006-10-17 Paul Brook <paul@codesourcery.com>
3921 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3923 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3925 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3926 Standardize on "GNU Fortran" as the official name of the Fortran
3929 2006-10-16 Mike Stump <mrs@apple.com>
3931 * doc/invoke.texi (Darwin Options): Document -mkernel.
3932 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3934 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3935 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3936 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3937 (OS_MISSING_ALTIVEC): Add.
3938 * config/i386/i386.c (override_options): Add
3939 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3940 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3941 -mkernel, -static or -mdynamic-no-pic is given.
3942 (C_COMMON_OVERRIDE_OPTIONS): Add.
3943 * config/darwin.opt (fapple-kext): Add.
3945 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3946 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3948 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3949 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3950 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3951 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3952 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3953 (flag_mkernel): Add.
3954 (flag_apple_kext): Add.
3955 (TARGET_KEXTABI): Add.
3956 * config/darwin.c (darwin_handle_kext_attribute): Add.
3957 (DARWIN_VTABLE_P): Add.
3958 (darwin_binds_local_p): Add partial support for rebinding vtables
3960 (darwin_kextabi_p): Add.
3961 (darwin_override_options): Add.
3962 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3963 (darwin_kextabi_p): Add.
3964 (darwin_override_options): Add.
3965 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3966 __DYNAMIC__ and __STATIC__ here.
3968 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3970 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3971 Added mention of "make pdf" target, and Texinfo requirements for
3974 2006-10-16 DJ Delorie <dj@redhat.com>
3976 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3977 into the GOT in case we need a subreg of the address.
3979 2006-10-16 Richard Guenther <rguenther@suse.de>
3982 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3983 SSE builtin documentation. Document SSE2 builtins.
3985 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3987 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3988 symbol in the output file for non-shared links when -nostdlib or
3989 -nodefaultlibs isn't specified.
3991 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3992 posix thread support.
3994 2006-10-15 Jan Hubicka <jh@suse.cz>
3997 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3998 declared always_inline even when not inlining.
4000 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4001 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4002 Andrew Pinski <pinskia@gmail.com>
4005 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4007 2006-10-15 Jan Hubicka <jh@suse.cz>
4008 Richard Guenther <rguenther@suse.de>
4011 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4012 process_function_and_variable_attributes on all variables, including
4013 those discovered during cgraph construction phase.
4015 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4017 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4019 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4021 * config/i386/athlon.md (athlon_fist): Add fisttp.
4023 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4024 Ian Lance Taylor <ian@airs.com>
4027 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4028 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4031 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4033 * config/score/score.c, config/score/score.h: Fix comment
4036 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4039 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4042 2006-10-13 Eric Christopher <echristo@apple.com>
4044 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4046 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4049 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4050 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4051 alignment supported by 32-bit ELF.
4053 2006-10-13 Eric Christopher <echristo@apple.com>
4055 * config/darwin.c (darwin_emit_unwind_label): Strip
4056 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4058 2006-10-13 Richard Guenther <rguenther@suse.de>
4060 PR tree-optimization/29446
4061 * tree-vrp.c (fix_equivalence_set): Remove.
4062 (extract_range_from_assert): Do not call fix_equivalence_set.
4063 (debug_value_range): Print a newline.
4064 (compare_name_with_value): For equivalence sets with
4065 inconsistent value ranges conservatively bail out.
4066 (compare_names): Likewise.
4068 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4070 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4071 and MPFR for gfortran.
4073 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4075 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4076 alignment supported by 32-bit ELF.
4078 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4082 * c-typeck.c (digest_init): Always allow initializing vectors
4083 that have static storage duration with compound literals.
4084 * tree.c (build_type_attribute_qual_variant): New, based on
4085 build_type_attribute_variant.
4086 (build_type_attribute_variant): Rewrite using the former.
4087 (make_vector_type): Use build_type_attribute_qual_variant to build
4088 type variants. Use type_hash_canon on the others.
4090 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4091 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4093 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4095 2006-10-12 Jan Hubicka <jh@suse.cz>
4098 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4099 current_function_decl is set but current_function_scope is not.
4101 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4103 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4104 emit_insn to emit eh_return_internal instruction.
4105 (eh_return_internal): Explicitly set pc.
4107 2006-10-11 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/28230
4110 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4111 to the correct place.
4113 2006-10-11 Richard Guenther <rguenther@suse.de>
4116 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4119 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4121 * configure.ac: Added pdf to "Make-hooks"
4122 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4123 targets and *.pdf file patterns in cleanup targets.
4124 * configure: Regenerated.
4126 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4128 * config/avr/predicates.md: New file.
4129 * config/avr/avr.md: Include it.
4130 (REG_SP): New constant.
4131 (peepholes): Use predicates.
4132 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4133 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4134 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4136 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4138 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4141 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4144 * builtins.c (var_decl_component_p): New function.
4145 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4146 single entry optimization to variables and components thereof.
4148 2006-10-10 Richard Guenther <rguenther@suse.de>
4150 PR rtl-optimization/29323
4151 * except.c (set_nothrow_function_flags): For functions
4152 that do not bind local bail out early.
4154 2006-10-10 Ben Elliston <bje@au.ibm.com>
4156 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4159 2006-10-09 Richard Henderson <rth@redhat.com>
4161 Revert emutls patch.
4163 2006-10-09 Richard Guenther <rguenther@suse.de>
4166 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4169 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4172 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4173 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4174 * configure: Regenerate.
4175 * config.in: Regenerate.
4177 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4179 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4181 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4183 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4184 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4185 Remove stray newline.
4187 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4189 * config/mips/mips.c (mips_classify_symbol): Do not return
4190 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4191 (mips_in_small_data_p): Tweak comments.
4193 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4195 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4197 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4199 * gimplify.c, sched-int.h: Fix comment typos.
4201 * sched-int.h: Fix comment typos.
4203 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4205 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4207 * sched-ebb.c (begin_schedule_ready): Use them.
4208 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4209 add_to_speculative_block, create_check_block_twin, speculate_insn,
4210 fix_jump_move, move_block_after_check): Ditto.
4211 * sched-rgn.c (new_ready): Ditto.
4213 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4215 PR rtl-optimization/29128
4216 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4217 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4218 allow interblock movement of speculation checks.
4220 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4223 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4224 casted to integer type.
4225 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4226 if they are significantly more expensive than [reg + index] ones.
4228 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4230 PR tree-optimization/29330
4231 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4232 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4233 on newly allocated ddrs.
4234 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4235 to VEC (loop_p, heap) pointer.
4236 (compute_data_dependences_for_loop): Adjust caller.
4237 (free_dependence_relations): Free DDR_LOOP_NEST.
4239 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4240 free DEPENDENCE_RELATIONS and DATAREFS.
4243 * builtins.c (expand_builtin_sync_operation,
4244 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4245 Use convert_to_mode to handle promoted arguments.
4247 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4249 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4251 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4253 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4255 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4257 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4258 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4259 Use <modeconstraint> instead of "r" as operand 1 constraint.
4261 2006-10-06 Olivier Hainque <hainque@adacore.com>
4263 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4264 Don't recurse on the pointed-to type.
4265 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4266 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4267 types with components of variable size.
4269 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4271 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4273 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4275 PR tree-optimization/29290
4276 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4280 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4281 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4284 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4285 the number of vector elements fill the rest with zeros.
4287 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4289 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4290 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4293 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4295 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4296 unnamed pattern into subsi3. Use correct constraints/predicates.
4297 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4298 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4300 2006-10-05 Ira Rosen <irar@il.ibm.com>
4302 * doc/loop.texi: Add data references analysis description.
4304 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4306 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4308 2006-10-04 Richard Henderson <rth@redhat.com>
4309 Jakub Jelinek <jakub@redhat.com>
4311 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4312 * builtin-types.def (BT_WORD): Make unsigned.
4313 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4314 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4315 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4316 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4317 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4318 * cgraph.c (decide_is_variable_needed): Look at force_output.
4319 Recurse for emulated tls.
4320 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4321 checks redundant with decide_is_variable_needed.
4322 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4323 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4325 * expr.c (emutls_var_address): New.
4326 (expand_expr_real_1): Expand emulated tls.
4327 (expand_expr_addr_expr_1): Likewise.
4328 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4329 * output.h (emutls_finish): Declare.
4330 * toplev.c (compile_file): Call it.
4331 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4332 address before wrapping in CONST.
4333 * varasm.c (emutls_htab, emutls_object_type): New.
4334 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4335 (get_emutls_object_name, get_emutls_object_type): New.
4336 (get_emutls_init_templ_addr, emutls_decl): New.
4337 (emutls_common_1, emutls_finish): New.
4338 (assemble_variable): When emulating tls, swap decls; generate
4339 constructor for the emutls objects.
4340 (do_assemble_alias): When emulating tls, swap decl and target name.
4341 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4343 * emutls.c: New file.
4344 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4345 tls_object for real tls.
4347 2006-10-04 Zack Weinberg <zackw@panix.com>
4349 Fix bug in constraint-check generator, reported by Rask Ingemann
4351 * genpreds.c (add_constraint): Don't remove anything from the
4353 (write_tm_constrs_h): Detect whether "op" argument is used, and
4354 mark it ARG_UNUSED if it isn't.
4355 (write_insn_const_int_ok_for_constraint): Skip the part of the
4356 expression that would test whether "op" (which is not available
4357 here) is a CONST_INT.
4359 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4362 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4364 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4366 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4367 current Leopard versions.
4368 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4370 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4372 * doc/install.texi: Fix typos.
4374 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4376 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4377 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4378 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4380 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4382 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4383 arg to be struct mach_header_64* instead.
4385 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4388 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4389 side effects after the outer expression's post side effects.
4391 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4393 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4394 comments to reflect actual behavior and relationship between
4395 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4397 * doc/c-tree.texi (Working with declarations): Fix documentation
4398 of FIELD_DECL likewise.
4400 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4403 * doc/extend.texi: Add used variable attribute description.
4405 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4408 * c.opt (Woverride-init): New.
4409 * c-opts.c (c_common_post_options): Default warn_override_init to
4411 * c-typeck.c (add_pending_init, output_init_element): Warn for
4412 overriding initializers without side effects.
4413 * doc/invoke.texi (-Woverride-init): Document.
4416 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4418 PR rtl-optimization/28096
4419 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4420 assignment has already been used as a destination earlier in the block.
4422 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4424 * builtins.c (expand_builtin_setjmp): Delete.
4425 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4426 <BUILT_IN_SETJMP_SETUP>: New case.
4427 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4428 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4429 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4430 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4431 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4432 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4433 (lower_function_body): Initialize it to false. If it is set to true
4434 at the end of the processing, emit the setjmp dispatcher.
4435 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4436 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4437 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4438 on the rhs of the assignment.
4439 (lower_builtin_setjmp): New function.
4440 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4441 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4442 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4443 to detect calls that can go to non-local labels. Use specific
4444 helper to create the abnormal edges associated with them.
4445 <MODIFY_EXPR>: Likewise.
4446 (make_abnormal_goto_edges): New function extracted from...
4447 (make_goto_expr_edges): ...here. Call it for computed gotos.
4448 (simple_goto_p): Minor tweak.
4449 (tree_can_make_abnormal_goto): New predicate.
4450 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4451 (tree_purge_dead_abnormal_call_edges): New function.
4452 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4453 (tree_purge_dead_abnormal_call_edges): Likewise.
4454 (make_abnormal_goto_edges): Likewise.
4455 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4456 Purge all dead abnormal edges if the call was in the last statement.
4457 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4458 (execute_fixup_cfg): If there are non-local labels in the function,
4459 scan the basic blocks and split them at calls that can go to non-local
4460 labels or add missing abnormal call edges. Write down the CFG in the
4462 (pass_fixup_cfg): Remove TODO_dump_func flag.
4463 * unwind-sjlj.c: Poison setjmp.
4464 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4465 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4466 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4467 (DONT_USE_BUILTIN_SETJMP): Document it.
4469 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4472 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4473 to 1 when __ppc64__ is defined.
4474 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4476 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4478 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4480 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4481 * config/ia64/unwind-hpux.c: Delete.
4483 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4485 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4486 on the element before gimplifying it, instead of punting if it is of
4489 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4491 * doc/loop.texi: New file.
4492 * doc/gccint.texi: Reference loop.texi.
4493 * Makefile.in (loop.texi): Add.
4495 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4497 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4499 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4500 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4502 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4504 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4506 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4508 * doc/install.texi: Document required versions of GMP and MPFR.
4510 2006-09-27 Paul Brook <paul@codesourcery.com>
4513 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4515 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4517 * reload1.c (alter_reg): Require the alignment of the stack slot to
4518 be at least reg_max_ref_width bytes.
4519 (scan_paradoxical_subregs): Record the largest width in
4522 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4526 * tree-nested.c (struct nesting_info): Added static_chain_added.
4527 (convert_call_expr): Set static_chain_added when adding static
4528 chain. Handle OMP_PARALLEL and OMP_SECTION.
4530 2006-09-25 Matthias Klose <doko@debian.org>
4532 * doc/invoke.texi: Add missing full stop.
4534 2006-09-25 Richard Henderson <rth@redhat.com>
4536 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4537 before cgraph_function_flags_ready.
4539 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4540 Adam Nemet <anemet@caviumnetworks.com>
4542 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4543 determine_common_wider_type): New functions.
4544 (get_computation_aff): Use them to simplify arithmetic between
4545 UBASE and CBASE if they are shortened from the same type.
4547 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4550 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4551 -2147483647 - 1 instead of 0x80000000.
4553 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4555 * flags.h (HONOR_NANS): Fix typo in comment.
4557 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4559 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4561 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4565 * tree.c (merge_attributes, attribute_list_contained): If both
4566 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4568 * c-typeck.c (comptypes_internal): Don't consider aggregates
4569 in different TUs as compatible if there one set of attributes is
4570 not a subset of the other type's attributes.
4571 (composite_type): Try harder not to create a new aggregate type.
4573 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4575 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4576 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4577 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4578 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4579 than replicating condition above.
4580 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4582 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4583 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4584 the linker by default.
4586 2006-09-22 Mike Stump <mrs@apple.com>
4588 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4591 2006-09-22 Richard Guenther <rguenther@suse.de>
4594 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4595 sort of stack variables stable.
4597 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4600 * explow.c (force_reg): Set REG_POINTER flag according to
4603 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4605 PR tree-optimization/28888
4606 * tree-if-conv.c (combine_blocks): Rewritten.
4607 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4608 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4610 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4612 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4615 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4617 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4619 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4621 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4623 2006-09-21 Roger Sayle <roger@eyesopen.com>
4626 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4627 dw_fde_current_label, to be the start of the function, i.e. the same
4628 value as dw_fde_begin.
4630 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4632 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4633 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4634 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4635 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4636 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4637 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4638 (abs<mode>2, neg<mode>2): Likewise.
4639 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4640 (*mips_abs_ps): New define_insn.
4642 2006-09-20 Josh Conner <jconner@apple.com>
4645 * calls.c (expand_call): Allow reuse of structure return stack
4648 2006-09-20 Paul Brook <paul@codesourcery.com>
4650 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4653 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4655 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4656 clean up terminology.
4658 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4661 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4662 with tablejumps in them.
4664 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4667 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4668 wrap it into TARGET_EXPR.
4670 2006-09-20 Eric Christopher <echristo@apple.com>
4672 * config/i386/i386.c (x86_fisttp): Remove.
4673 * config/i386/i386.h (x86_fisttp): Ditto.
4674 (TARGET_FISTTP): Ditto.
4676 2006-09-19 Eric Christopher <echristo@apple.com>
4678 * doc/tm.texi (OBJC_JBLEN): Describe.
4679 * config/i386/darwin.h (OBJC_JBLEN): Define.
4680 * config/rs6000/darwin.h: Ditto.
4682 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4684 PR rtl-optimization/21299
4685 * reload1.c (reload): Purge invalid ASMs in the final pass.
4687 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4690 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4691 pointers as legitimate constants.
4693 2006-09-19 Paul Brook <paul@codesourcery.com>
4696 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4698 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4700 PR tree-optimization/28887
4701 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4702 component parts from the reference.
4703 (gather_memory_references_ref): Record the reference without the
4704 nonaddressable component parts.
4706 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4709 * c-opts.c (c_common_handle_option): Ignore the -std options
4710 if the input language is assembly.
4712 2006-09-17 Ira Rosen <irar@il.ibm.com>
4715 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4717 (ptr_ptr_may_alias_p): Likewise.
4718 (record_record_differ_p): New function.
4719 (base_object_differ_p): Call record_record_differ_p.
4721 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4724 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4725 away for the expr argument.
4727 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4730 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4731 before using it for dumping after vectorizing loops.
4733 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4734 Jack Howarth <howarth@bromo.med.uc.edu>
4737 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4738 skip on error_mark_node.
4739 (rs6000_darwin64_record_arg_recurse): Likewise.
4741 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4743 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4744 * doc/rtl.texi: Remove related documentation.
4746 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4748 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4751 2006-09-15 Jim Wilson <wilson@specifix.com>
4753 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4754 Handle symbol offsets same as they are handled in ia64_expand_move
4757 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4759 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4760 Add forgotten parameter to the fprintf call.
4762 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4764 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4766 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4768 * doc/contrib.texi: Add my entry.
4770 2006-09-15 Nick Clifton <nickc@redhat.com>
4772 * doc/md.texi (Processor pipeline description): Fix typo in
4773 example of how to use the absence_set directive and reword the
4774 description to make it slightly easier to read.
4776 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4778 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4779 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4780 expanding the number of iterations.
4781 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4783 * cfgrtl.c (emit_insn_at_entry): New function.
4784 * rtl.h (emit_insn_at_entry): Declare it.
4785 * integrate.c (emit_initial_value_sets): Use it.
4787 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4789 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4791 (struct loop_work and related VEC declarations): Delete.
4792 (bfin_dump_loops): Print out new member bad.
4793 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4794 (bfin_scan_loop): Don't recurse.
4795 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4796 loops. No longer need to update outer loops if the current one is
4797 found bad. Move some validitiy checks to bfin_discover_loop.
4798 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4799 but changed not to check for nesting. Also changed to use the new bad
4801 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4802 time. Use bitmap based test to discover loop nesting.
4804 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4806 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4809 2006-09-14 Richard Guenther <rguenther@suse.de>
4810 Kazu Hirata <kazu@codesourcery.com>
4812 PR middle-end/28884.
4813 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4814 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4815 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4816 with TARGET_FUNCTION_VALUE.
4818 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4821 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4823 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4825 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4828 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4831 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4834 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4836 * basic_block.h (bb_has_eh_pred): Fix comment.
4838 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4840 * flow.c (calculate_global_regs_live): Invalidate eh registers
4841 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4842 (propagate_block): Handle eh registers as if they were set at basic
4844 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4846 * global.c (global_conflicts): Make eh registers to conflict with
4847 pseudos live at basic block begin.
4848 * basic_block.h (bb_has_eh_pred): New function.
4850 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4852 PR rtl-optimization/28982
4853 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4854 index of a PRE_MODIFY or POST_MODIFY address.
4855 * reload1.c (inc_for_reload): Use find_replacement on the original
4856 base and index registers.
4858 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4860 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4861 for -Os. Update __m128 alignment requirement.
4863 2006-09-13 Jan Hubicka <jh@suse.cz>
4865 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4867 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4869 PR rtl-optimization/28243
4870 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4871 the insn to which the note was originally attached.
4873 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4874 Roger Sayle <roger@eyesopen.com>
4876 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4877 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4878 on platforms that don't use dwarf for debug info.
4880 2006-09-12 Jason Merrill <jason@redhat.com>
4883 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4884 hard_frame_pointer_rtx after using it to update the frame pointer.
4886 2006-09-12 Roger Sayle <roger@eyesopen.com>
4888 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4889 (TARGET_ASM_CLOSE_PAREN): Likewise.
4890 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4891 (TARGET_ASM_CLOSE_PAREN): Likewise.
4893 2006-09-12 Roger Sayle <roger@eyesopen.com>
4896 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4897 frame information for frames larger than 512 Kbytes on Tru64 when
4898 using the native assembler.
4900 2006-09-12 Roger Sayle <roger@eyesopen.com>
4904 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4905 and symbols. Instead use the implementation from cse.c's hash_rtx.
4907 2006-09-12 Jan Hubicka <jh@suse.cz>
4909 PR rtl-optimization/28071
4910 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4911 (vect_transform_loop): Likewise.
4912 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4913 (new_loop_vec_info): Likewise.
4914 (destroy_loop_vec_info): Likewise.
4915 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4916 (create_stmt_ann): Likewise.
4917 (create_tree_ann): Rename to ...
4918 (create_tree_common_ann): ... this one; allocate only the common part
4920 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4921 (get_value_handle): Likewise.
4922 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4923 get_tree_common_ann.
4924 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4925 (vinfo_for_stmt): Use stmt annotations.
4926 * tree-flow.h (tree_ann_common_t): New type.
4927 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4928 (tree_ann, get_tree_ann, create_tree_ann): New.
4929 * tree-flow-inline.h (get_function_ann): Do more type checking.
4930 (stmt_ann): Likewise.
4931 (tree_ann): Rename to ...
4932 (tree_common_ann): ... this one; return ony common_ann
4933 (get_tree_ann): Rename to ...
4934 (tree_common_ann): This one; return only common_ann.
4935 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4938 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4940 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4941 with_cpu by default.
4943 * dwarf2out.c (dwarf_file_data): New.
4944 (enum dw_val_class): Add dw_val_class_file.
4945 (struct dw_val_struct): Add val_file.
4946 (file_table): Change to a hash table.
4947 (file_table_emitted): Delete.
4948 (file_table_last_lookup_index): Delete.
4949 (emitcount): Delete.
4950 (last_emitted_file): New.
4951 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4952 (init_file_table): Delete.
4953 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4954 (AT_addr): Add comment.
4958 (print_die): Handle dw_val_class_file.
4959 (print_dwarf_line_table): Update for new file table structure.
4960 (attr_checksum): Do checksum a filename.
4961 (same_dw_val_p, same_attr_p): Do compare a filename.
4962 (size_of_die): Handle dw_val_class_file.
4963 (value_format): Likewise.
4964 (output_die): Likewise. Also, call maybe_emit_file here.
4965 (struct file_info): Constify filenames. Make file_idx a pointer
4966 to a struct dwarf_file_data.
4967 (struct dir_info): Constify directory names. Remove 'used' field.
4968 (struct file_name_acquire_data): New.
4969 (file_name_acquire): New.
4970 (output_file_names): Modify to handle new file data structures.
4971 (add_src_coords_attributes): Use add_AT_file.
4972 (add_call_src_coords_attributes): Likewise.
4973 (dwarf2out_imported_module_or_decl): Likewise.
4974 (gen_subprogram_die): Modify for new file data structures.
4975 (gen_variable_die): Likewise.
4976 (file_table_eq): New.
4977 (file_table_hash): New.
4978 (file_table_last_lookup): New.
4979 (lookup_filename): Rewrite to handle new file data structures.
4980 (maybe_emit_file): Rewrite to handle new file data structures.
4981 (dwarf2out_source_line): Always call lookup_filename and
4983 (dwarf2out_init): Create file_table here.
4984 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4985 (file_table_relative_p): New.
4986 (dwarf2out_finish): Change detection of relative filenames
4987 to work with new file data structures. Move output_line_info call
4988 after debug_info output.
4990 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4995 * config/i386/i386.c (override_options): Always default to 16
4996 byte stack boundary.
4998 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5001 * var-tracking.c (dump_dataflow_set): Start dumping at
5003 (clobber_variable_part): Kill only the variable part in
5004 registers holding it, leaving other variables alone.
5006 2006-09-11 Josh Triplett <josh@freedesktop.org>
5008 * doc/extend.texi (Other Builtins): Actually use the macro
5009 argument in the documentation example for
5010 __builtin_types_compatible_p.
5012 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5014 PR rtl-optimization/28726
5015 * sched-deps.c (sched_analyze_reg): New function extracted from...
5016 (sched_analyze_1): ...here. Call it to analyze references to
5017 registers. Treat again writes to a stack register as writing to the
5019 (sched_analyze_2): ...and here. Call it to analyze references to
5020 registers. Treat again reads of a stack register as reading the
5023 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5024 David Edelsohn <edelsohn@gnu.org>
5027 * config/rs6000/spe.md (frob_df_di): Remove %H.
5028 (frob_di_df): Remove %H. Change evmergelo to mr.
5029 (frob_di_df_2): Remove %H. Change evldd to two loads.
5031 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5033 * doc/cpp.texi: Fix names of charset options.
5035 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5038 * config/i386/i386.c (override_options): Use 128-bit
5039 stack boundary always for 64bits.
5041 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5043 PR rtl-optimization/28636
5044 * combine.c (force_to_mode): Test for side-effects before
5045 substituting by zero.
5046 (simplify_shift_const): Likewise for zero or other constants.
5048 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5051 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5054 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5057 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5058 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5059 returned by mode_for_size, rather than the mode of src itself,
5060 to choose between 32-bit and 64-bit patterns.
5061 (mips_mem_fits_mode_p): New function.
5062 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5063 that the size of the source matches the size of the destination.
5064 (mov_<store>l, mov_<store>r): Likewise.
5066 2006-09-10 Eric Christopher <echristo@apple.com>
5068 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5071 2006-09-09 Eric Christopher <echristo@apple.com>
5074 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5077 2006-09-09 Roger Sayle <roger@eyesopen.com>
5078 Nicolas Setton <setton@adacore.com>
5080 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5082 2006-09-10 Andreas Schwab <schwab@suse.de>
5084 * config/m68k/m68k.md (bungt_rev): New pattern.
5086 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5087 Dale Johannesen <dalej@apple.com>
5090 * regclass.c (struct reg_pref): Update documentation.
5091 (regclass): Set prefclass to NO_REGS if memory is the best option.
5092 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5094 2006-09-08 Eric Christopher <echristo@apple.com>
5096 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5097 * config/t-slibgcc-darwin: Support x86_64 multilib.
5098 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5099 Return 1 for x86_64-darwin.
5100 * config/i386/t-darwin: Add m64 multilib.
5101 (LIB2_SIDITI_CONV_FUNCS): Use.
5102 (LIB2FUNCS_EXTRA): Ditto.
5103 * config/i386/darwin.h: Support x86_64.
5104 * config/i386/i386.c (override_options): Turn on flag_pic
5105 for x86_64-darwin. Disable flag_omit_pointer.
5106 (get_pc_thunk_name): Assert !TARGET_64BIT.
5107 (legitimate_address_p): Disable machopic addressing for
5109 (legitimize_pic_address): Ditto.
5110 (ix86_expand_move): Ditto.
5111 (ix86_expand_call): Ditto.
5112 (machopic_output_stub): Ditto.
5113 * config/darwin.c (machopic_select_section): Support literal16.
5114 (machopic_select_rtx_section): Ditto.
5115 * config/darwin-sections.def: Ditto.
5116 * config/darwin-64.c: New.
5118 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5121 * c-tree.h (struct c_arg_info): Add pending_sizes.
5122 * c-parser.c (c_parser_parms_declarator,
5123 c_parser_parms_list_declarator): Initialize pending_sizes.
5124 * c-decl.c (get_parm_info): Initialize pending_sizes.
5125 (get_parm_info): Set pending_sizes.
5126 (grokdeclarator): Call put_pending_sizes for parameters for
5127 function definition only.
5129 2006-09-07 Jason Merrill <jason@redhat.com>
5132 * varasm.c (output_constant): Only strip actual no-op conversions.
5135 * config/i386/i386.c (override_options): Use 128-bit
5136 stack boundary if -msse.
5138 2006-09-07 Eric Christopher <echristo@apple.com>
5140 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5142 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5145 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5147 * dwarf2out.c: Remove strange characters from comment above
5148 dwarf2out_frame_debug_expr.
5150 2006-09-07 Eric Christopher <echristo@apple.com>
5152 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5153 * config/darwin.h: ... to here.
5155 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5157 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5159 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5160 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5162 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5163 TARGET_PARTIAL_FLAG_REG_STALL.
5164 (*ashldi3_cconly_rex64): Likewise.
5165 (*ashlsi3_cmp): Likewise.
5166 (*ashlsi3_cconly): Likewise.
5167 (*ashlsi3_cmp_zext): Likewise.
5168 (*ashlhi3_cmp): Likewise.
5169 (*ashlhi3_cconly): Likewise.
5170 (*ashlqi3_cmp): Likewise.
5171 (*ashlqi3_cconly): Likewise.
5172 (*ashrdi3_cmp_rex64): Likewise.
5173 (*ashrdi3_cconly_rex64): Likewise.
5174 (*ashrsi3_cmp): Likewise.
5175 (*ashrsi3_cconly): Likewise.
5176 (*ashrsi3_cmp_zext): Likewise.
5177 (*ashrhi3_cmp): Likewise.
5178 (*ashrhi3_cconly): Likewise.
5179 (*ashrqi3_cmp): Likewise.
5180 (*ashrqi3_cconly): Likewise.
5181 (*lshrdi3_cmp_rex64): Likewise.
5182 (*lshrdi3_cconly_rex64): Likewise.
5183 (*lshrsi3_cmp): Likewise.
5184 (*lshrsi3_cconly): Likewise.
5185 (*lshrsi3_cmp_zext): Likewise.
5186 (*lshrhi3_cmp): Likewise.
5187 (*lshrhi3_cconly): Likewise.
5188 (*lshrqi2_cmp): Likewise.
5189 (*lshrqi2_cconly): Likewise.
5191 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5194 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5195 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5196 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5197 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5198 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5199 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5200 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5201 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5202 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5203 implement only CC setting effects of shift instructions.
5205 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5207 * doc/contrib.texi: Add myself.
5209 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5212 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5213 was set by the user.
5215 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5218 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5219 (divsi_inv_m1): Use them.
5220 (UNSPEC_DIV_INV_TABLE): New constant.
5222 2006-09-06 James E Wilson <wilson@specifix.com>
5225 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5226 then call count_or_remove_death_notes.
5228 2006-09-06 Jason Merrill <jason@redhat.com>
5231 * tree-inline.c (copy_result_decl_to_var): New fn.
5232 (declare_return_variable): Use it. Call declare_inline_vars here.
5233 (expand_call_inline): Not here.
5235 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5237 * doc/contrib.texi: Update my entry.
5239 2006-09-06 Nick Clifton <nickc@redhat.com>
5241 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5243 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5246 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5247 (canonicalize_induction_variables): Likewise.
5248 (tree_unroll_loops_completely): Likewise.
5249 (tree_ssa_prefetch_arrays): Likewise.
5250 (remove_empty_loops): Likewise.
5251 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5252 TODO_cleanup_cfg instead of directly calling
5253 cleanup_tree_cfg_loop.
5254 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5256 (tree_unroll_loops_completely): Likewise.
5257 (remove_empty_loops): Likewise.
5258 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5259 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5260 of tree_ssa_unswitch_loops.
5261 (tree_ssa_loop_ivcanon): Use the return value of
5262 canonicalize_induction_variables.
5263 (tree_ssa_empty_loop): Use the return value of
5265 (tree_complete_unroll): Use the return value of
5266 tree_unroll_loops_completely.
5267 (tree_ssa_loop_prefetch): Use the return value of
5268 tree_ssa_prefetch_arrays.
5269 * passes.c (execute_todo): Before Cleanup CFG, set
5270 updating_used_alone and after cleanup CFG, call
5271 recalculate_used_alone.
5273 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5276 * tree-vect-transform.c (vectorizable_condition): Move the check
5277 for the type after the check for simple condition.
5279 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5280 Kaz Kojima <kkojima@gcc.gnu.org>
5283 * mode-switching.c (optimize_mode_switching): Make the destination
5284 block of an abnormal edge have no anticipatable mode. Don't
5285 insert mode switching code at the end of the source block of
5288 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5290 PR rtl-optimization/26847
5291 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5292 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5293 (simplify_plus_minus): Count n_constants while filling ops. Replace
5294 qsort with insertion sort. Before going through the array to simplify
5295 pairs, sort it. Delay early exit until after the first sort, exiting
5296 only if no swaps occurred. Simplify pairs in reversed order, without
5297 special-casing the first iteration. Pack ops after simplifying pairs.
5299 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5301 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5302 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5303 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5304 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5306 2006-09-05 Richard Guenther <rguenther@suse.de>
5308 PR tree-optimization/28900
5309 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5310 compound conditional before creating COND_EXPR condition.
5312 2006-09-05 Richard Guenther <rguenther@suse.de>
5314 PR tree-optimization/28905
5315 * tree-vrp.c (fix_equivalence_set): Manually implement
5316 !value_ranges_intersect_p to also handle symbolic ranges.
5318 2006-09-05 Richard Guenther <rguenther@suse.de>
5321 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5324 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5326 PR rtl-optimization/27616
5327 * cse.c (table_size): New static variable.
5328 (new_basic_block): Initialize it to 0.
5329 (remove_from_table): Decrement it.
5330 (insert): Increment it.
5331 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5332 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5333 fold_rtx_mem_1 if under the cap.
5334 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5335 the lookup of the equivalent expression and test for equality of the
5336 first operand of the equivalent expression before in turn looking up
5337 an equivalent constant for the second operand.
5339 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5342 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5343 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5344 pointer, instead of assuming it is possible to derive the
5345 correct args size from a call insn.
5347 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5350 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5351 (fold_builtin_mempcpy): Rename to...
5352 (fold_builtin_memory_op): ... this. Optimize one element copy
5354 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5356 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5357 (expand_builtin_memcpy, expand_builtin_mempcpy,
5358 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5359 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5360 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5361 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5363 2006-09-01 DJ Delorie <dj@redhat.com>
5365 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5366 (stzx_16): Likewise.
5367 ("stzx_24_<mode>"): Likewise.
5368 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5369 ("cmp<mode>_op"): New.
5370 (cmp<mode>): Change to expander; just save operands.
5372 (b<code>): Change to expander, emit compare here.
5373 (s<code>_op): Change to use split and expander.
5374 (s<code>_24_op): Likewise.
5375 (s<code>_<mode>): New.
5376 (s<code>_<mode>_24): New.
5377 (movqicc_<code>_<mode): New.
5378 (movhicc_<code>_<mode>): New.
5381 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5382 (m32c_pend_compare): New.
5383 (m32c_unpend_compare): New.
5384 (m32c_expand_scc): New.
5385 (m32c_expand_movcc): Emit the compare also.
5386 * config/m32c/predicates.md (mra_nopp_operand): New.
5388 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5389 Richard Guenther <rguenther@suse.de>
5390 Adam Nemet <anemet@caviumnetworks.com>
5393 * builtins.c (get_pointer_alignment): Handle more forms
5394 of base addresses that can be used to derive more precise
5395 information about alignment.
5397 2006-09-01 Jason Merrill <jason@redhat.com>
5400 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5403 * gimplify.c (voidify_wrapper_expr): Handle null type.
5405 2006-09-01 Josh Conner <jconner@apple.com>
5408 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5409 (execute_return_slot_opt): Use it.
5411 2006-08-31 Josh Conner <jconner@apple.com>
5414 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5415 returning aggregates.
5417 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5419 PR tree-optimization/28839
5420 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5421 blocks in that phi arguments appear.
5423 2006-08-31 Roger Sayle <roger@eyesopen.com>
5426 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5427 NULL, otherwise use an advance_loc4 to adjust relative to the
5429 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5430 (dwarf2out_switch_text_section): Reset the current label to avoid
5431 using advance_loc4 over section boundaries.
5433 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5436 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5437 r12 + SYMBOLIC_CONST.
5439 2006-08-30 Richard Guenther <rguenther@suse.de>
5441 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5443 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5445 PR rtl-optimization/27735
5446 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5447 Add new argument to keep track of whether an irreducible region
5448 was affected. All callers changed.
5449 (fix_irreducible_loops): Removed.
5450 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5451 flags were invalidated.
5453 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5455 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5456 instead of SF operands.
5457 (*fop_df_comm_sse): Likewise.
5458 (*fop_df_comm_i387): Likewise.
5459 (*fop_df_1_mixed): Likewise.
5460 (*fop_df_1_sse): Likewise.
5462 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5463 J"orn Rennecke <joern.rennecke@st.com>
5465 PR tree-optimization/17506
5466 * tree-ssa.c (warn_uninit): If warning about a location outside of
5467 the current function, note where the variable was declared.
5469 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5471 PR tree-optimization/28411
5472 * double-int.c (double_int_div): Use double_int_divmod.
5473 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5474 double_int_mod, double_int_smod, double_int_umod): New functions.
5475 * double-int.h (double_int_divmod, double_int_sdivmod,
5476 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5478 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5480 (get_computation_aff, get_computation_cost_at): Handle double_int
5481 return type of constant_multiple_of.
5483 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5486 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5487 an implicit conversion.
5489 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5491 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5493 2006-08-27 Roger Sayle <roger@eyesopen.com>
5495 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5498 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5500 * config/i386/crtfastmath.c: Fix a comment typo.
5502 2006-08-26 Roger Sayle <roger@eyesopen.com>
5504 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5505 temporary visit flags on CASE_LABEL_EXPRs.
5506 * c-common.c (match_case_to_enum): Add function comment. Avoid
5507 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5508 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5509 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5510 a constant, only warn if that constant value isn't handled.
5512 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5515 * input.h (restore_input_file_stack): Declare.
5516 (INPUT_FILE_STACK_BITS): Define.
5517 * toplev.c (fs_p, input_file_stack_history,
5518 input_file_stack_restored, restore_input_file_stack): New.
5519 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5520 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5521 (pop_srcloc): Don't free old state of stack.
5523 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5526 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5527 (PowerPC Type Attributes): New.
5529 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5531 * config/xtensa/xtensa.c (function_arg_boundary): New.
5532 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5534 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5535 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5537 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5540 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5543 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5545 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5546 (verify_local_live_at_start): Likewise.
5548 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5551 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5552 omp_add_variable): Treat sizes as variable whenever not
5555 2006-08-26 Richard Guenther <rguenther@suse.de>
5558 * fold-const.c (fold_binary): Fold temporary to correct
5559 type before constructing new comparison.
5561 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5564 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5565 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5567 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5570 * c-decl.c (start_function): Don't try to process prototype
5571 information from old declaration that isn't a function.
5573 2006-08-25 Jan Hubicka <jh@suse.cz>
5576 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5578 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5581 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5584 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5586 PR tree-optimization/16876
5587 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5588 exit if PARM doesn't match VALUE.
5590 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5592 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5593 literal_prefix directive.
5594 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5595 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5596 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5598 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5601 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5602 predicate to general_operand. Add 0->y and I->r alternatives.
5604 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5606 * doc/tm.texi: Fix a typo.
5607 * predict.c: Fix comment typos.
5609 2006-08-25 Nick Clifton <nickc@redhat.com>
5611 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5612 assertions of "cpu" and "machine".
5614 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5617 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5618 the access through a base which has an alias set of 0 cannot
5621 2006-08-24 Bill Wendling <wendling@apple.com>
5623 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5625 2006-08-24 Jan Hubicka <jh@suse.cz>
5627 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5629 2006-08-24 Jan Hubicka <jh@suse.cz>
5632 * cgraph.c: Fix comments.
5633 (cgraph_varpool_mark_needed_node): Mark only variables not already
5635 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5636 (cgraph_varpool_assembled_nodes_queue): New static variable.
5637 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5638 (cgraph_varpool_output_debug_info): New function.
5639 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5640 * Makefile.in: Add gt-cgraphunit.h
5642 2006-08-24 Jan Hubicka <jh@suse.cz>
5644 * predict.c (probability_reliable_p): New predicate.
5645 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5646 (predict_loops): Do not predict loop exit with less than 2%
5648 * basic-block.h (edge_probability_reliable_p,
5649 br_prob_note_reliable_p): Declare.
5650 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5651 prediction when static predictor is not reliable.
5652 * rs6000.c (output_cbranch): Likewise.
5654 2006-08-23 Stuart Hastings <stuart@apple.com>
5657 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5658 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5660 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5663 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5664 complex values, nor for generic vector values.
5666 2006-08-22 Richard Guenther <rguenther@suse.de>
5669 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5670 parameter. Convert arguments to arithmetic expression to the
5672 (analyze_scalar_evolution_1): Adjust caller.
5674 2006-08-22 Jan Hubicka <jh@suse.cz>
5676 Patch by Paolo Bonzini
5677 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5680 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5682 PR tree-optimization/28003
5683 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5684 before grouping aliases.
5686 2006-08-22 Roger Sayle <roger@eyesopen.com>
5688 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5689 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5691 2006-08-21 Jason Merrill <jason@redhat.com>
5694 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5695 wrapper. Loop to handle nested wrappers.
5696 (gimplify_bind_expr): Remove temp parameter.
5697 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5698 and STATEMENT_LIST on the rhs.
5699 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5700 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5701 (gimplify_target_expr): Remove special BIND_EXPR handling.
5703 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5705 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5708 2006-08-21 Olivier Hainque <hainque@adacore.com>
5710 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5711 Arrange for the temporary captures of components overlapping the lhs
5712 to happen before the lhs is possibly cleared.
5714 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5716 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5717 necessary places to pass the correct "number of registers" values
5720 2006-08-20 Jan Hubicka <jh@suse.cz>
5722 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5723 (create_name_tags): Instead of quadratic checking use hashtable.
5724 * bitmap.h: Include hashtab.h.
5725 (bitmap_hash): Declare.
5726 * bitmap.c (bitmap_hash): New function.
5728 2006-08-20 Jan Hubicka <jh@suse.cz>
5730 PR rtl-optimization/28071
5731 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5733 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5734 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5735 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5736 cgraph_decide_inlining_incrementally): Update use of
5737 cgraph_check_inline_limits.
5738 * cgraph.c (edge_hash, edge_eq): New function.
5739 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5740 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5741 cgraph_remove_node): Maintain call site hash.
5742 * cgraph.h (struct cgraph_node): Add call_site_hash.
5743 (cgraph_set_call_stmt): New function.
5745 2006-08-20 Jan Hubicka <jh@suse.cz>
5747 PR rtl-optimization/28071
5748 * reload1.c (reg_has_output_reload): Turn into regset.
5749 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5750 choose_reload_regs, emit_reload_insns): Update to new
5751 reg_has_output_reload.
5753 2006-08-20 Jan Hubicka <jh@suse.cz>
5756 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5757 function body sizes.
5758 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5760 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5763 * tree.c (handle_dll_attribute): Return early if not a
5764 var or function decl.
5766 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5769 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5770 alignment of SPE vector types.
5772 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5774 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5776 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5779 * cgraph.h (struct cgraph_node): Remove externally_visible
5781 * cgraphunit.c (process_function_and_variable_attributes): Set
5782 local.externally_visible rather than externally_visible.
5785 * c-common.c (handle_externally_visible_attribute): First look
5786 at TREE_CODE and only if it is function or var decl, check for
5787 non-public objects. Don't warn for DECL_EXTERNAL.
5788 * cgraphunit.c (process_function_and_variable_attributes): Warn
5789 if externally_visible attribute is used on non-public object.
5791 2006-08-17 Jan Hubicka <jh@suse.cz>
5793 PR tree-optimization/27865
5794 * reload1.c (forget_marked_reloads): New function.
5795 (forget_old_reloads_1): When data are passed, just mark the registers
5797 (reload_as_needed): Use the new mechanizm.
5799 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5802 * reload.h (reg_equiv_alt_mem_list): New declaration.
5803 * reload1.c (reg_equiv_alt_mem_list): New definition.
5804 (reload): Initialize it and release it.
5805 (delete_output_reload): Use it.
5806 * reload.c (push_reg_equiv_alt_mem): New function.
5807 (find_reloads_toplev): Call it.
5808 (find_reloads_address, find_reloads_address_1): Likewise.
5809 (find_reloads_subreg_address): Likewise.
5811 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5813 PR rtl-optimization/28489
5814 * sched-ebb.c (begin_schedule_ready): Create basic block
5816 (advance_target_bb): Skip empty blocks.
5817 * haifa-sched.c (bb_note): Make global.
5818 * sched-int.h (bb_note): Add prototype.
5820 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5822 PR tree-optimization/27865
5823 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5825 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5826 fold_used_pointer, pointer_used_p): New functions.
5827 (analyze_scalar_evolution_1): Use fold_used_pointer.
5828 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5829 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5832 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5835 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5836 or the INTEGER_CST. Fail on a CALL_EXPR.
5837 (fold_offsetof): Pass new argument to fold_offsetof_1.
5838 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5839 operand into an INDIRECT_REF.
5840 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5842 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5844 PR gcov/profile/26570
5845 * value-prof.c (static_values): Removed.
5846 (tree_find_values_to_profile): Do not set static_values.
5847 (find_values_to_profile): Do not free static_values.
5848 * profile.c (instrument_values): Do not free the values.
5849 (branch_prob): Free the values.
5851 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5853 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5855 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5858 * c-typeck.c (build_component_ref): Combine qualifiers of
5859 structure or union and field.
5861 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5863 PR rtl-optimization/28071
5864 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5865 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5866 * tree-into-ssa.c (struct dom_dfsnum): New.
5867 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5869 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5870 compute_global_livein.
5871 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5872 in phi nodes in the correct blocks.
5874 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5876 PR tree-optimization/28364
5877 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5879 (fold_affine_expr): New function.
5880 (may_eliminate_iv): Use fold_affine_expr.
5882 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5885 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5888 2006-08-16 Mike Stump <mrs@apple.com>
5890 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5891 * doc/cppopts.texi (-MD): Likewise.
5893 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5896 * c-common.c (handle_weak_attribute): Ignore and warn if
5897 not a FUNCTION_ or VAR_DECL.
5899 2006-07-15 Mike Stump <mrs@apple.com>
5902 * c-parser.c (c_parser_typeof_specifier): Don't use
5903 c_finish_expr_stmt, open code desired semantics instead.
5905 2006-08-15 Nick Clifton <nickc@redhat.com>
5907 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5908 fragment to tmake_file only if threads are enabled.
5909 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5910 * config/i386/t-gthr-win32: New file. ... here.
5912 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5915 * c-parser.c (c_parser_compound_statement_nostart): Reset
5916 parser->error after each statement.
5918 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5921 * omp-low.c (lower_omp_parallel): Convert t to
5922 receiver_decl's type.
5923 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5924 source before comparison.
5927 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5928 to itype in assignment to oldival2.
5930 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5934 * c-typeck.c (build_compound_expr): If the second expression
5935 is an error mark, then just return an error mark instead of
5936 creating a COMPOUND_EXPR.
5938 2006-07-14 Mike Stump <mrs@apple.com>
5940 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5942 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5944 * c-decl.c, var-tracking.c: Fix comment typos.
5946 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5948 PR rtl-optimization/28634
5949 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5950 for floating-point modes unless flag_unsafe_math_optimizations.
5952 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5953 Andrew Pinski <pinskia@physics.uc.edu>
5956 * tree.c (build_array_type): Unify array types with
5957 unspecified index_type.
5958 * c-decl.c (grokdeclarator): Make sure we do not modify a
5959 unified incomplete array type.
5960 * c-typeck.c (store_init_value): Create distinct type before
5961 filling in the index type in an initializer from a compound
5964 * c-decl.c (grokdeclarator): Remove code where we copy the
5967 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5969 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5970 into account for TODO_dump_cgraph.
5971 (TODO_update_ssa_no_phi): Likewise.
5972 (TODO_update_ssa_full_phi): Likewise.
5973 (TODO_update_ssa_only_virtuals): Likewise.
5974 (TODO_remove_unused_locals): Likewise.
5975 (TODO_set_props): Likewise.
5976 (TODO_update_stmt_usage): Likewise.
5978 2006-08-13 Dirk Mueller <dmueller@suse.de>
5980 * c-common.c (strict_aliasing_warning): Fix formatting.
5982 2006-08-13 Matthias Klose <doko@debian.org>
5984 * doc/invoke.texi: Fix spelling errors.
5986 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5988 PR rtl-optimization/23454
5989 * reorg.c (relax_delay_slots): Update comment.
5991 2006-08-11 Richard Guenther <rguenther@suse.de>
5994 * simplify-rtx.c (simplify_const_relational_operation):
5995 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5998 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6000 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6001 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6003 2006-08-10 Paul Brook <paul@codesourcery.com>
6005 * final.c (final_scan_insn): Clear current_insn_predicate before
6006 outputting inline asm.
6008 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6010 PR tree-optimization/26197
6011 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6012 get_ref_base_and_extent and overlap_subvar to add only relevant
6013 subvars as may-aliases.
6014 (add_may_alias_for_new_tag): New function, factored out of
6016 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6017 with additional argument.
6018 * tree-flow.h (new_type_alias): Takes additional argument.
6020 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6022 * gcov.c (no_data_file): New flag.
6023 (read_count_file): Set it if data file not present. Assume counts
6025 (output_lines): Don't name the data file, if there wasn't one.
6027 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6029 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6030 (rs6000_generate_compare): Tweak comments.
6031 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6033 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6035 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6036 (var_debug_decl): New function.
6037 (var_reg_set): Follow debug decl link. Add location even if
6038 reg is already known to hold some other variable.
6039 (var_mem_set): Follow debug decl link.
6040 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6041 decl link. Delete other known locations of the variable part
6043 (var_reg_delete, var_mem_delete): Delete other known locations
6044 of the variable part if requested.
6045 (same_variable_part_p): New function.
6046 (add_stores): Select MO_COPY when appropriate.
6047 (vt_initialize): Handle it.
6048 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6049 known locations for MO_SET and MO_CLOBBER.
6050 (find_variable_location_part): New function.
6051 (set_variable_part, delete_variable_part): Use it.
6052 (clobber_variable_part): New function.
6053 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6056 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6058 PR tree-optimization/26969
6059 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6060 with an empty list of PHIs.
6062 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6066 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6069 2006-08-06 Andreas Schwab <schwab@suse.de>
6071 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6072 string. Whitespace and comment fixup.
6074 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6077 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6081 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6084 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6086 2006-08-04 Jan Hubicka <jh@suse.cz>
6090 * reload.c (push_reload): Patch out the mismatching instruction;
6092 (find_reload): Bail out if the instruction was patched out.
6094 2006-08-04 Jan Hubicka <jh@suse.cz>
6096 PR tree-optimization/24888
6097 * tree-inline.c (expand_call_inline): Do not re-record variables.
6098 (declare_inline_vars): Add variable to unexpanded_var_list.
6100 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6101 Roger Sayle <roger@eyesopen.com>
6103 PR rtl-optimization/26244
6104 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6105 inner_const are negative or greater than or equal to the bitsize of
6106 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6107 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6108 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6109 CONST0_RTX (mode) when the new shift count is greater than or equal to
6110 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6113 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6115 * tree-cfg.c: Fix a comment typo.
6117 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6120 * varasm.c (output_constant): Give the front end another chance to
6121 expand constants, after stripping NOPs.
6123 2006-08-03 Jan Hubicka <jh@suse.cz>
6125 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6128 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6130 PR tree-optimization/27770
6131 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6132 declaration removed (moved to tree-flow.h).
6133 (vect_can_force_dr_alignment_p): Likewise.
6134 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6135 (moved from tree-vectorizer.h).
6136 (vect_can_force_dr_alignment_p): Likewise.
6137 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6138 from outside the vectorizer - in particular from cgraph stage.
6139 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6140 the alignment of global arrays when -fsection-anchors is enabled.
6141 * cgraphunit.c (cgraph_increase_alignment): New function.
6142 (cgraph_optimize): Call cgraph_increase_alignment.
6144 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6147 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6148 not reload a SPE symbol_ref into a lo_sum address.
6150 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6153 * dwarf2out.c (prune_unused_types_prune): Move call to
6154 prune_unused_types_update_strings to cover the parent DIE also.
6156 2006-08-02 Jan Hubicka <jh@suse.cz>
6158 PR gcov/profile/28480
6159 * tree-cfg.c (change_bb_for_stmt): New function.
6160 (tree_merge_blocks, tree_split_blocks): Use it.
6162 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6168 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6169 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6170 (cgraph_optimize): Likewise.
6172 2006-08-01 Stuart Hastings <stuart@apple.com>
6174 * rtl.h (UINTVAL) New.
6175 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6176 * testsuite/gcc.dg/20060801-1.c: New.
6178 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6181 * c-typeck.c (build_external_type): Mark used enum types.
6182 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6184 (gen_subprogram_die): Whitespace fix.
6186 2006-08-01 Jan Hubicka <jh@suse.cz>
6188 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6189 bitmap when not needed.
6190 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6193 2006-08-01 Dirk Mueller <dmueller@suse.de>
6195 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6197 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6199 * Makefile.in: Revert part of previous patch:
6200 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6203 2006-07-30 Eric Christopher <echristo@apple.com>
6206 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6207 (PowerPC Variable Attributes): New section.
6209 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6211 PR target/28126 (partial fix)
6212 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6214 2006-07-28 Jan Hubicka <jh@suse.cz>
6216 PR rtl-optimization/28071
6217 * cfgrtl.c (rtl_delete_block): Free regsets.
6218 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6220 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6222 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6223 and variables used in dependencies.
6225 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6227 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6228 %fs for -mcmodel=kernel.
6229 (stack_tls_protect_test_di): Likewise.
6231 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6233 * Makefile.in: Use mkinstalldirs.
6235 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6238 * opts-common.c (prune_options): Skip joined switches.
6240 2006-07-27 Jan Hubicka <jh@suse.cz>
6242 PR rtl-optimization/28071
6243 * cselib.c (cselib_process_insn): Don't remove useless values too
6244 often for very large hashtables.
6246 2006-07-27 Jan Hubicka <jh@suse.cz>
6248 PR rtl-optimization/28071
6249 * global.c (greg_obstack): New obstack.
6250 (allocate_bb_info): Use it.
6251 (free_bb_info): Likewise.
6252 (modify_reg_pav): Likewise.
6254 2006-07-27 Roger Sayle <roger@eyesopen.com>
6256 * builtins.c (fold_fixed_mathfn): When long and long long are the
6257 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6258 functions to their lceil*, lfloor*, lround* and lrint* forms.
6260 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6263 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6265 (rev_branch_insn): Likewise.
6267 2006-07-27 Jan Hubicka <jh@suse.cz>
6269 PR rtl-optimization/28071
6270 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6271 (reg_set_in_bb, max_reg_computed): New static variables.
6272 (regmove_optimize): Free the new array.
6273 (fixup_match_1): Update call of reg_is_remote_constant_p.
6275 2006-07-26 Jan Hubicka <jh@suse.cz>
6277 PR tree-optimization/27882
6278 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6280 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6282 (cgraph_analyze_compilation_unit): Likewise.
6283 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6284 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6285 (cgraph_early_inlinine): Make order garbage collected.
6286 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6288 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6290 * dbxout.c (output_types_sort): Add a comment.
6291 (output_used_types): Free the VEC.
6293 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6295 * function.c (reorder_fix_fragments): Delete.
6296 (reorder_blocks): Don't call it.
6297 (reorder_blocks_1): Put all subblocks under the origin block.
6299 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6301 PR rtl-optimization/27907
6302 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6305 2006-07-25 Roger Sayle <roger@eyesopen.com>
6308 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6309 bar(x) check that bar's result type can represent all the values of T.
6311 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6313 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6315 2006-07-25 Nick Clifton <nickc@redhat.com>
6317 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6318 size_lookup[] array.
6319 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6320 (ggc_pch_count_object): Likewise.
6321 (ggc_pch_alloc_object): Likewise.
6322 (ggc_pch_write_object): Likewise.
6323 (init_ggc): Do not attempt to initialize entries in the
6324 size_lookup[] array for objects whose size is greater than than
6325 the length of the array.
6327 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6329 * dbxout.c (output_used_types_helper): Push queued types
6331 (output_types_sort): New.
6332 (output_used_types): Collect used types on a VEC and sort them
6335 2006-07-24 Richard Guenther <rguenther@suse.de>
6338 * cgraph.c (cgraph_remove_node): Do not check if dumps
6340 * cgraphunit.c (cgraph_optimize): Likewise.
6342 2006-07-24 Jan Hubicka <jh@suse.cz>
6344 PR rtl-optimization/28071
6345 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6346 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6347 splitting before first stmt.
6349 2006-07-24 Jan Hubicka <jh@suse.cz>
6351 PR rtl-optimization/28071
6352 * ipa-inline.c (update_caller_keys): Remove edges that
6353 are no longer inline candidates.
6355 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6358 * dbxout.c (output_used_types_helper, output_used_types): New.
6359 (dbxout_symbol): Call output_used_types.
6361 2006-07-23 Jan Hubicka <jh@suse.cz>
6365 * cgraph.c (cgraph_varpool_nodes): Export.
6366 (decide_is_variable_needed): Ignored "used" attribute in
6367 unit-at-a-time mode.
6368 * cgraph.h (cgraph_varpool_nodes): Declare.
6369 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6370 unit-at-a-time mode.
6372 2006-07-23 Roger Sayle <roger@eyesopen.com>
6375 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6376 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6377 the __gthrw form of thr_keycreate.
6378 (__gthread_key_delete): Silence the unused argument warning.
6380 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6383 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6384 Cache the last found '\0' marker to avoid quadratic behavior.
6386 2006-07-23 Jan Hubicka <jh@suse.cz>
6388 * i386.md (subsi_3_zext): Fix output template.
6390 2006-07-21 Mike Stump <mrs@apple.com>
6392 * doc/invoke.texi (C++ Dialect Options): Note that
6393 -fvisibility-inlines-hidden doesn't affect explicitly
6394 instantiationed inline methods.
6396 2006-07-20 Roger Sayle <roger@eyesopen.com>
6398 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6399 if the target assembler is GNU binutils' gas.
6400 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6401 whether to pass GNU gas or native as command line options.
6403 2006-07-20 Jason Merrill <jason@redhat.com>
6405 * tree.c (remove_attribute): New fn.
6406 * tree.h: Declare it.
6408 2006-07-20 Paul Brook <paul@codesourcery.com>
6411 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6412 they are invalidated by this instruction.
6414 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6417 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6419 2006-07-20 Eric Christopher <echristo@apple.com>
6422 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6424 2006-07-19 Eric Christopher <echristo@apple.com>
6426 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6427 Rewrite dependencies for libgcc_s.1.dylib.
6429 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6431 * except.c (duplicate_eh_regions_1): Clear next_peer.
6433 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6435 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6436 -mlongcall does not guarantee all calls will be long.
6437 * doc/extend.texi (long_call/short_call): Document that longcall
6438 does not guarantee a long call will be used.
6439 (longcall/shortcall): Likewise.
6441 2006-07-18 Roger Sayle <roger@eyesopen.com>
6444 * expmed.c (expand_shift): Additionally check that the shift_cost
6445 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6446 before implementing a LSHIFT_EXPR as a sequence of additions.
6447 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6448 middle-end that DImode shifts need to be synthesized by expand.
6450 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6453 * tree-ssa-operands.c (access_can_touch_variable): Update
6455 Return true if ALIAS is .GLOBAL_VAR.
6457 2006-07-18 David Daney <ddaney@avtrex.com>
6459 * gcc.c (display_help): Fix typo in help text.
6461 2006-07-18 Olivier Hainque <hainque@adacore.com>
6463 * tree.h (categorize_ctor_elements): Adjust prototype and add
6464 descriptive comment, both in accordance with the interface change
6466 * varasm.c (constructor_static_from_elts_p): New function.
6467 Whether a constructor node is a valid static constant initializer
6468 if all its elements are.
6469 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6470 * output.h: Declare it.
6471 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6472 is a valid constant initializer instead of computing the number of
6473 non-constant elements. Use constructor_static_from_elts_p for this
6474 purpose. Replace the head comment with an indication that this is a
6475 helper for categorize_ctor_elements.
6476 (categorize_ctor_elements): Same interface change as for the _1
6477 helper. Former head comment from this helper moved here, adjusted to
6478 account for the interface changes.
6479 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6480 (all_zeros_p): Likewise.
6481 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6482 static versions of the constructor from the categorize_ctor_elements
6483 return value instead of the formerly computed number of non-constant
6486 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6488 * configure: Regenerate.
6489 * Makefile.in (build_libsubdir): New configure substitution
6490 (build_libobjdir): New variable.
6491 (BUILD_LIBIBERTY): Use it.
6493 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6496 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6498 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6501 * c-common.c (handle_weakref_attribute): Ignore attribute in
6502 the same conditions the alias attribute is ignored.
6504 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6506 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6507 (dbxout_begin_prologue): Increment scope_labelno.
6509 2006-07-17 Richard Henderson <rth@redhat.com>
6512 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6515 2006-07-17 Roger Sayle <roger@eyesopen.com>
6516 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6518 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6519 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6520 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6521 functions such as sbrk, write, etc.. Add function prototypes.
6522 Convert function declarations from K&R to ISO C. Cast pointers
6523 to "long" and "unsigned long" instead of "int" and "unsigned int".
6524 Convert tokens following #endif into comments.
6526 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6528 * invoke.texi: Remove mention of f77; Reformat table for
6529 inline parameter options correctly; mention that -malign-double
6530 is default on x86-64 targets.
6532 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6534 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6535 (convert_affine_scev, chrec_convert_aggressive): Use
6536 avoid_arithmetics_in_type_p. Do not check for the subtypes
6539 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6542 * optabs.c (expand_doubleword_shift): Wrap the call to
6543 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6545 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6548 * optabs.c (expand_binop): Pass next_methods rather than methods
6549 to expand_doubleword_shift.
6551 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6554 * tree.h (dump_addr): Declare.
6555 * print-tree.c (dump_addr): New function.
6556 (print_node_brief, print_node): Use it.
6557 * print-rtl.c (print_rtx): Likewise.
6558 * common.opt (-fdump-noaddr): New option.
6559 * doc/invoke.texi (-fdump-noaddr): Document.
6560 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6561 (ve_info_hash): Likewise.
6563 2006-07-13 Andrew Haley <aph@redhat.com>
6565 PR tree-optimization/19505
6566 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6567 edge leaving this block, make sure that the destination of this
6568 block has only one predecessor.
6570 2006-07-17 Richard Guenther <rguenther@suse.de>
6572 PR tree-optimization/28238
6573 * tree-inline.c (copy_bb): Check if we produced valid
6574 gimple copying and substituting a stmt. If not, gimplify
6577 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6579 * optabs.c (maybe_encapsulate_block): New function extracted from...
6580 (emit_libcall_block): ...here. Invoke it on the block of insns to
6581 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6582 (emit_no_conflict_block): Likewise.
6584 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6586 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6588 2006-07-15 Roger Sayle <roger@eyesopen.com>
6590 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6591 a new NOP_EXPR case of the switch statement.
6593 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6596 * stor-layout.c (place_field): Take the bit field with
6597 an excessive size into account in the ms-bitfiled case.
6600 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6601 the previous bit field.
6603 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6606 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6608 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6610 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6611 signal frames correctly even when the signal was installed with
6614 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6616 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6617 (dbxout_function_end): Use local label LFBB. Remove hook
6619 (dbxout_source_line): Use local label LFBB.
6620 (dbxout_block): Likewise.
6621 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6622 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6623 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6624 and DBX_OUTPUT_NFUN.
6626 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6628 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6630 2006-07-13 Jan Hubicka <jh@suse.cz>
6632 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6634 * output.h (align_variable): Declare.
6635 * varasm.c (align_variable): Export.
6636 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6637 when basic block changed.
6639 2006-07-13 Nick Clifton <nickc@redhat.com>
6641 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6642 walking the LOG_LINKS chain.
6644 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6646 * doc/invoke.texi (C++ Dialect Options): Explain difference
6647 between -fvisibility-inlines-hidden and setting hidden
6648 visibility explicitly.
6650 2006-07-12 Eric Christopher <echristo@apple.com>
6652 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6653 (stmp-lipo): Depend on libgcc.a.
6655 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6657 * tree.c: Fix a comment typo.
6659 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6661 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6663 (umulhisi3_r): Likewise.
6665 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6668 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6669 x < 19, vs wchar_t support.
6671 2006-07-12 Nick Clifton <nickc@redhat.com>
6673 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6674 instead of -isa=sh4.
6676 2006-07-12 Mike Stump <mrs@apple.com>
6678 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6680 2006-07-10 Eric Christopher <echristo@apple.com>
6682 * config/t-slibgcc-darwin: Rewrite.
6684 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6687 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6690 2006-07-08 Matthias Klose <doko@debian.org>
6692 * doc/sourcebuild.texi: Fix typo.
6694 2006-07-07 Mike Stump <mrs@apple.com>
6696 * toplev.c (process_options): Don't give -ffunction-sections may
6697 affect debugging warning for Mach-O.
6699 2006-07-07 James E Wilson <wilson@specifix.com>
6701 * config/mips/mips.md (cpu): Add sb1a.
6702 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6703 addition to sb1. Adjust comments to clarify SB-1A differences from
6705 (ir_sb1a_load): New. Modify bypasses to use it.
6706 (ir_sb1a_simple_alu): Likewise.
6707 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6708 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6709 (mips_issue_rate): Add PROCESSOR_SB1A.
6710 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6711 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6712 (TARGET_SB1): Add PROCESSOR_SB1A check.
6713 (TUNE_SB1): Likewise.
6715 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6716 * config/mips/mips.c (mips_store_data_bypass_p): New.
6717 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6718 store_data_bypass_p.
6720 2006-07-08 Paul Brook <paul@codesourcery.com>
6723 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6725 2006-07-07 Richard Guenther <rguenther@suse.de>
6728 * tree.h (build_one_cst): Declare.
6729 * tree.c (build_one_cst): New function.
6730 * tree-ssa-math-opts.c (get_constant_one): Remove.
6731 (insert_reciprocals): Use build_one_cst.
6732 * fold-const.c (fold_plusminus_mult): Likewise.
6734 2006-07-07 Roger Sayle <roger@eyesopen.com>
6736 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6737 * cfgloopanal.c (dump_graph): Likewise.
6738 * dojump.c (discard_pending_stack_adjust): Likewise.
6739 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6741 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6742 * function.c (finalize_block_changes): Likewise.
6743 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6744 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6745 * rtl.c (dump_rtx_statistics): Likewise.
6746 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6748 * varray.c (dump_varray_statistics): Likewise.
6749 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6750 decode_decimal64, encode_decimal128, decode_decimal128,
6751 decimal_real_to_decimal): Likewise.
6753 2006-07-07 Richard Guenther <rguenther@suse.de>
6755 PR tree-optimization/28187
6756 * tree-vrp.c (vrp_operand_equal_p): New function.
6757 (vrp_bitmap_equal_p): Likewise.
6758 (update_value_range): Use them to compare old and new
6761 2006-07-06 Roger Sayle <roger@eyesopen.com>
6763 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6764 a default case to switch statement to silence compiler warnings.
6766 2006-07-06 Roger Sayle <roger@eyesopen.com>
6769 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6770 the configured assembler supports the x87's ffreep mnemonic.
6771 * configure: Regenerate.
6772 * config.in: Regenerate.
6774 * config/i386/i386.c (output_387_ffreep): New function.
6775 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6776 (output_387_reg_move): Likewise.
6778 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6780 Port to hosts whose 'sort' and 'tail' implementations
6781 treat operands with leading '+' as file names, as POSIX
6782 has required since 2001. However, make sure the code still
6783 works on pre-POSIX hosts.
6784 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6785 which says you should use "tail -c +N" rather than "tail +Nc".
6786 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6788 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6790 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6793 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6796 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6797 PRE_{INC,DEC} of TFmode.
6799 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6800 Alan Modra <amodra@bigpond.net.au>
6803 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6806 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6809 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6810 Remove duplicate gtu.
6812 2006-07-05 Jason Merrill <jason@redhat.com>
6816 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6817 * c-common.c (handle_packed_attribute): So don't copy it here.
6818 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6820 2006-07-05 Mike Stump <mrs@apple.com>
6822 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6824 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6827 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6829 2006-07-05 Richard Guenther <rguenther@suse.de>
6832 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6833 TARGET_SSE2 targets if using SSE math.
6834 (*absdf2_1): Likewise.
6836 2006-07-05 Richard Guenther <rguenther@suse.de>
6838 PR tree-optimization/28162
6839 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6840 make sure to convert the operands to the correct type.
6842 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6844 PR tree-optimization/28218
6846 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6847 to calculate and free the dominator information.
6849 2006-07-04 Peter O'Gorman <peter@pogma.com>
6851 * mklibgcc.in: chmod 644 before ranlib during install.
6853 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6854 J"orn Rennecke <joern.rennecke@st.com>
6856 * configure.ac (.eh_frame data check): Use diff -b.
6858 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6861 * Makefile.in (BUILD_RTL): Add build/vec.o.
6862 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6863 (build/genextract): Delete.
6864 (build/genautomata): Likewise.
6866 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6869 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6870 128-bit IBM long doubles for ABI_V4.
6872 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6874 * tree.c (range_in_array_bounds_p): New predicate.
6875 * tree.h (range_in_array_bounds_p): Declare it.
6876 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6877 return a less conservative answer.
6878 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6879 and flag 'is_group'.
6880 (IS_ELEMENT_FOR_GROUP): New macro.
6881 (FOR_EACH_ACTUAL_CHILD): Likewise.
6882 (next_child_for_group): New helper function.
6883 (can_completely_scalarize_p): Take into account groups.
6884 (sra_hash_tree): Handle RANGE_EXPR.
6885 (sra_elt_eq): Likewise.
6886 (lookup_element): Be prepared for handling groups.
6887 (is_valid_const_index): Delete.
6888 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6889 instead of is_valid_const_index.
6890 <ARRAY_RANGE_REF>: New case.
6891 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6892 is_valid_const_index.
6893 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6894 (scan_dump): Dump info for groups too.
6895 (decide_instantiation_1): Likewise.
6896 (decide_block_copy): Assert that the element is not a group.
6897 Propagate decision to groups.
6898 (generate_one_element_ref): Handle RANGE_EXPR.
6899 (mark_no_warning): Iterate over actual childs.
6900 (generate_copy_inout): Likewise.
6901 (generate_element_copy): Likewise.
6902 (generate_element_zero): Likewise.
6903 (generate_element_init_1): Likewise.
6904 (dump_sra_elt_name): Handle RANGE_EXPR.
6906 2006-07-03 Roger Sayle <roger@eyesopen.com>
6908 PR tree-optimization/26251
6909 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6910 (thread_block): When optimizing for size refuse to thread jumps
6911 that would require duplication of blocks other than redirection
6914 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6916 * configure.ac: Fix thinko in previous check-in.
6917 * configure: Regenerate.
6919 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6922 * configure.ac (for lang...): Simplify nesting of conditionals.
6923 Test subdir_requires for non-enabled languages. Move processing
6924 of lang_opt_files and lang_tree_fiels below that test.
6925 * configure: Regenerate.
6926 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6928 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6930 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6932 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6934 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6937 2006-06-29 Jason Merrill <jason@redhat.com>
6944 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6945 * c-common.c (c_determine_visibility): Handle it here.
6946 * c-decl.c (finish_decl): Call c_determine_visibility for
6948 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6950 * varasm.c (default_assemble_visibility): Likewise.
6951 * c-common.c (handle_visibility_attribute): Complain about trying
6952 to give visibility to an already defined class, or trying to change
6953 declared visibility. Always attach the attribute.
6958 * attribs.c (decl_attributes): Ignore type-in-place attributes
6959 once the type has been defined.
6961 2006-06-29 Roger Sayle <roger@eyesopen.com>
6964 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6965 to indicate the cpplib has issued an error message for us.
6967 2006-06-29 Asher Langton <langton2@llnl.gov>
6970 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6971 insert a label at the end of an function under Mach-O.
6973 2006-06-29 Eric Christopher <echristo@apple.com>
6974 Evan Cheng <evan.cheng@apple.com>
6976 * predicates.md (vector_all_ones_operand): New.
6977 (nonimmediate_or_sse_const_operand): Ditto.
6978 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6979 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6980 (standard_sse_mode_p): Ditto.
6981 (standard_sse_constant_p): Add case for -1 vector.
6982 (ix86_expand_vector_move): Try to use.
6983 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6984 Call standard_sse_constant_opcode.
6985 (*movv4sf_internal): Ditto.
6986 (*movv2df_internal): Ditto.
6988 2006-06-29 Roger Sayle <roger@eyesopen.com>
6990 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6991 of XEXP to extract the operands of a MATCH_CODE rtx.
6993 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6995 * tree.c (tree_size): Do not waste tail padding in
6996 struct tree_string and make the size be the same as
6997 build_string will generate.
6999 2006-06-28 Jason Merrill <jason@redhat.com>
7002 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7003 may_aliases already in the tag's annotations to the bitmap.
7005 2006-06-28 Roger Sayle <roger@eyesopen.com>
7007 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7009 2006-06-28 Roger Sayle <roger@eyesopen.com>
7011 * genpreds.c (generate_switch_p): New function.
7012 (add_mode_tests): Push the new mode test down inside an AND expr
7013 if this allows the switch-suitable MATCH_CODE to be near the root.
7014 (write_match_code_switch): New function to write a MATCH_CODE as
7016 (write_predicate_stmts): New function to write a predicate RTX
7017 expression as a sequence of statements.
7018 (write_one_predicate_function): Use write_predicate_stmts.
7019 (write_tm_constrs_h): Likewise.
7021 2006-06-26 Fred Fish <fnf@specifix.com>
7023 * config/mips/t-sb1: New file.
7024 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7027 2006-06-26 DJ Delorie <dj@redhat.com>
7029 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7031 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7032 Jayant Sonar <jayants@kpitcummins.com>
7033 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7035 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7036 (subsi3, subsi3_1, subsi3_2): New.
7037 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7038 * config/m32c/mov.md (SI mov peephole): New.
7039 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7040 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7042 2006-06-26 Olivier Hainque <hainque@adacore.com>
7044 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7045 a CALL_EXPR target function declaration.
7047 2006-06-26 Richard Guenther <rguenther@suse.de>
7049 * tree.c (build_string): Do not waste tail padding in
7052 2006-06-26 Richard Guenther <rguenther@suse.de>
7054 * ggc-page.c (init_ggc): Add missing element to size_lookup
7058 2006-06-23 Richard Guenther <rguenther@suse.de>
7060 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7061 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7062 alignment requests instead. Add verification code.
7063 Add struct tree_function_decl and struct tree_binfo size to
7064 extra_order_size_table. Add missing element to size_lookup
7067 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7070 * fold-const.c (const_binop): Be prepared for self returning zero.
7071 Simplify code handling complex values.
7073 2006-06-24 Olivier Hainque <hainque@adacore.com>
7075 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7076 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7079 2006-06-24 Olivier Hainque <hainque@adacore.com>
7081 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7082 ARRAY_REF, so have the callback called for the low bound expression.
7084 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7086 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7087 * c-typeck.c (c_common_type): Disallow operations on decimal float
7088 types and other float types.
7089 * convert.c (convert_to_real): Don't ignore conversions involving
7090 decimal float types.
7092 2006-06-23 Olivier Hainque <hainque@adacore.com>
7094 * tree.c (max_int_size_in_bytes): New function, inspired from
7095 code in function.c:assign_temp.
7096 * tree.h (max_int_size_in_bytes): Declare.
7097 * function.c (assign_temp): Use it.
7098 * gimplify.c (create_tmp_var): Relax the assertions on the type
7099 properties, not mandating constant size any more.
7100 (force_constant_size): New static function.
7101 (gimple_add_tmp_var): Use it, forcing variable size to a
7102 constant upper bound if it is not constant on entry.
7104 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7107 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7108 for initialization and setting of one_only flag to ...
7109 (i386_pe_encode_section_info): ...here.
7110 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7111 Recheck that the symbol has not been defined.
7113 2006-06-23 Richard Guenther <rguenther@suse.de>
7115 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7116 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7117 alignment requests instead. Add verification code.
7118 Add struct tree_function_decl and struct tree_binfo size to
7119 extra_order_size_table. Add missing element to size_lookup
7122 2006-06-22 Roger Sayle <roger@eyesopen.com>
7123 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7126 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7127 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7129 2006-06-23 Ben Elliston <bje@au.ibm.com>
7131 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7132 negate dn -- manipulate it directly.
7134 2006-06-22 Roger Sayle <roger@eyesopen.com>
7135 Steven Bosscher <stevenb.gcc@gmail.com>
7138 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7139 generated by gen_move_insn to add REG_LABEL notes if necessary.
7141 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7143 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7144 (leaf_entry): Remove use of MIN_ESA.
7146 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7148 PR rtl-optimization/28121
7149 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7152 2006-06-21 DJ Delorie <dj@redhat.com>
7154 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7156 (mulhisi3_r): Likewise.
7158 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7161 * coverage.c (coverage_counter_alloc): Leave the index type
7163 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7166 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7168 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7169 section from the "Options for Code Generation Conventions".
7171 2006-06-21 Richard Henderson <rth@redhat.com>
7175 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7177 (global_symbolic_operand): Allow weak symbols, even if local_p.
7179 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7181 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7182 (find_interesting_uses_address): Punt if above function returns true.
7184 2006-06-21 Richard Guenther <rguenther@suse.de>
7186 * configure: Regenerated.
7188 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7190 * config/mips/mips.c (function_arg): Where one part of a
7191 complex argument is in registers and the other part in the stack,
7192 return a REG not a PARALLEL.
7194 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7196 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7197 when cross-compiling. Do not substitute libstdcxx_incdir.
7198 * configure: Regenerated.
7200 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7202 * varasm.c (mergeable_string_section): Check for embedded NULs and
7203 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7204 rather than TREE_STRING_LENGTH bytes.
7206 2006-06-21 Richard Guenther <rguenther@suse.de>
7208 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7209 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7212 2006-06-21 Richrad Guenther <rguenther@suse.de>
7214 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7215 Limit iteration over the dominators.
7217 2006-06-20 Roger Sayle <roger@eyesopen.com>
7219 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7220 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7222 2006-06-20 Richard Guenther <rguenther@suse.de>
7223 Michael Matz <matz@suse.de>
7225 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7227 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7228 * et-forest.h (et_free_pools): Prototype new function.
7229 * et-forest.c (et_free_tree_force): Free parent occurrence.
7230 (et_free_pools): New function.
7231 * dominance.c (free_dominance_info): Free et-forest alloc
7234 2006-06-20 Roger Sayle <roger@eyesopen.com>
7236 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7237 integer modes, attempt to directly construct an integer constant.
7239 * fold-const.c (native_encode_vector): Determine the size of each
7240 element from the vector type instead of the first vector element.
7242 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7243 if all of its elements/components are constant.
7244 (build_constructor_from_list): Likewise.
7246 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7248 PR tree-optimization/27331
7249 * tree-data-ref.c (free_data_ref): New function.
7250 (create_data_ref): Fail if the data reference has unknown access
7252 (free_data_refs): Use free_data_ref.
7254 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7257 * tree-inline.c (setup_one_parameter): Strip useless
7258 type conversion before adding it to the IR.
7259 (declare_return_variable): Likewise.
7261 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7264 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7266 2006-06-19 Mike Stump <mrs@apple.com>
7268 * tree.c (variably_modified_type_p): VM arguments don't make the
7271 2006-06-19 Richard Guenther <rguenther@suse.de>
7273 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7274 type conversions after folding.
7276 2006-06-19 Richard Guenther <rguenther@suse.de>
7278 * ggc-page.c (extra_order_size_tab): Add entries with
7279 size of struct function and basic_block.
7280 (size_lookup): Extend to cover sizes up to 511.
7281 (ggc_alloc_stat): Adjust user.
7282 (ggc_pch_count_object): Likewise.
7283 (ggc_pch_alloc_object): Likewise.
7284 (ggc_pch_write_object): Likewise.
7286 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7288 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7289 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7292 2006-06-19 Denis Chertykov <denisc@overta.ru>
7294 * config/avr/libgcc.S : Correct my wrong previous commit.
7296 2006-06-19 Roger Sayle <roger@eyesopen.com>
7299 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7300 have stripped a SUBREG from the shift count, so we may need to
7301 convert_to_mode back to the type's mode before calling make_tree.
7302 Use new_amount instead of amount to avoid expanding a tree twice.
7304 2006-06-19 Richard Guenther <rguenther@suse.de>
7307 * fold-const.c (operand_equal_p): Check if the argument types
7308 have the same precision before stripping NOPs.
7310 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7312 Fix PR tree-optimization/27341
7313 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7315 * tree-complex.c (pass_lower_complex): Update SMT usage.
7317 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7319 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7320 Add a new alternative to the constraint strings. Add move of
7321 operand 1 to 3 to the splitter definition.
7322 ("doloop_si_long"): Second contraint alternative removed.
7324 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7326 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7327 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7329 (AVR_HAVE_MOVW) Define.
7330 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7331 (ASM_SPEC): Add avr25.
7332 (LINK_SPEC): Add avr25.
7333 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7334 (base_arch_s): Add new member 'have_movw_lpmx'.
7335 (avr_arch_types): Init 'have_movw_lpmx'.
7336 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7337 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7338 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7339 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7340 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7342 (avr_file_start): Do not output '.arh' derective.
7343 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7344 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7345 * config/avr/avr.md (mcu_enhanced): Delete.
7346 (mcu_have_movw): Define.
7347 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7348 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7349 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7350 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7351 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7352 attiny861 and at86rf401 devices.
7354 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7356 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7359 2006-06-17 Karl Berry <karl@gnu.org>
7361 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7362 doc/gccint.texi, doc/install.texi (@dircategory): Use
7363 "Software development" instead of "Programming", following
7364 the Free Software Directory.
7366 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7368 * config/i386/i386.c (legitimate_tls_address)
7369 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7370 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7371 (*tls_dynamic_gnu2_combine_64): Likewise.
7373 2006-06-16 Richard Guenther <rguenther@suse.de>
7376 * fold-const.c (negate_expr_p): Do not introduce undefined
7377 overflow in negating INTEGER_CSTs.
7378 (fold_negate_expr): Rename from negate_expr. Revert last
7379 change for folding BIT_NOT_EXPR. Change semantics to
7380 return NULL_TREE for non-simplified negations. Do not
7381 strip type conversions and unify type handling.
7382 (negate_expr): New function, wrap around fold_negate_expr
7383 but ensure building a tree always. Strip type conversions
7384 here, fold to result type.
7385 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7387 2006-06-16 Roger Sayle <roger@eyesopen.com>
7390 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7391 that (would) return their results in stack registers.
7393 2006-06-16 Michael Matz <matz@suse.de>
7394 Richard Guenther <rguenther@suse.de>
7396 * fold-const.c (fold_truthop): Only return new tree node if
7397 we canonicalized something.
7399 2006-06-16 Richard Guenther <rguenther@suse.de>
7401 * function.h (enum function_frequency): Move declaration
7402 out of struct function.
7403 (struct function): Move bool fields and the enum to the bitfield
7404 section. Reorder elements to avoid padding. Remove unused
7405 fields left over from the RTL inliner removal.
7406 * function.c (free_after_compilation): Do not zero removed fields.
7407 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7408 (ipa-type-escape.o): Likewise.
7410 2006-06-16 Richard Guenther <rguenther@suse.de>
7412 * cgraph.h (struct cgraph_local_info): Turn bool elements
7414 (struct cgraph_node): Likewise.
7415 (struct cgraph_varpool_node): Likewise.
7417 2006-06-15 Richard Guenther <rguenther@suse.de>
7419 * fold-const.c (fold_truth_not_expr): Rename from
7420 invert_truthvalue. Give it fold_* semantics to avoid
7422 (invert_truthvalue): New function. Wrapper around
7423 fold_truth_not_expr.
7424 (optimize_minmax_comparison): Avoid creating garbage.
7425 (fold_unary): Use fold_truth_not_expr for folding
7427 (fold_ternary): Replace uses of invert_truthvalue with
7428 fold_truth_not_expr where applicable.
7429 * tree.h (fold_truth_not_expr): Prototype.
7431 2006-06-16 Richard Guenther <rguenther@suse.de>
7433 PR tree-optimization/27781
7434 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7435 * ipa-pure-const.c (target.h): Include.
7436 (analyze_function): Do not analyze functions that do not
7439 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7442 * tree-dfa.c (referenced_vars_dup_list): Remove.
7443 (find_referenced_vars): Remove assert.
7444 (referenced_var_check_and_insert): Replace dup list with assert.
7445 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7446 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7448 2006-06-15 Richard Guenther <rguenther@suse.de>
7450 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7451 extra unused identifiers if not dumping.
7452 (create_variable_info_for): Likewise.
7454 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7456 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7457 (derive_constant_upper_bound): Derive more precise upper bound in
7458 common cases. Return type changed to double_int.
7459 (record_estimate): Reflect the changed return type of
7460 derive_constant_upper_bound.
7461 * double-int.c (double_int_zext, double_int_sext): Fix.
7463 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7465 * configure.ac (CFLAGS): Get them from the toplevel or from the
7466 configure invocation.
7467 * configure: Regenerate.
7468 * Makefile.in (CFLAGS): Substitute value provided by configure.
7470 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7473 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7474 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7475 rather than calling add_stmt on it.
7476 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7478 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7481 * reload1.c (reload): Remove registers returned by update_eliminables
7482 from used_spill_regs.
7484 2006-06-13 DJ Delorie <dj@redhat.com>
7486 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7488 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7490 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7491 html__strip_dir, html__mkdir_p. Enhance install-html target.
7492 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7493 * configure: Regenerate.
7495 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7497 * fold-const.c (fold_cond_expr_with_comparison): Check for
7498 Objective-C++ as language in deciding COND_EXPR transformation.
7500 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7503 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7504 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7505 * config/sh/lib1funcs.h (SL, SL1): Define.
7506 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7507 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7508 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7509 (OBJS_Os_4_200): New variable.
7510 ($(T)libgcc-Os-4-200.a): Use it.
7511 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7512 when dividing 1 and/or by 0.
7514 2006-06-13 Roger Sayle <roger@eyesopen.com>
7516 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7517 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7518 * configure: Regenerate.
7520 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7522 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7523 for real instruction.
7525 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7528 * haifa-sched.c (check_cfg): Handle special case.
7530 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7533 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7534 Add debug_info parameter. Chain the vars to the BLOCK instead
7535 of the BIND_EXPR if debug info are requested for them.
7536 (pop_gimplify_context): Adjust for above change.
7537 (gimple_add_tmp_var): Likewise.
7538 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7540 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7541 (convert_local_reference): Likewise.
7542 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7543 (finalize_nesting_tree_1): Request that debug info be emitted
7544 for debug_var_chain.
7546 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7548 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7549 for PR target/27863.
7551 2006-06-13 Richard Guenther <rguenther@suse.de>
7554 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7556 2006-06-13 Richard Guenther <rguenther@suse.de>
7558 PR tree-optimization/27830
7559 * tree-inline.c (copy_body_r): For copying the operand
7560 of an ADDR_EXPR make sure to fold &* afterwards.
7562 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7564 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7565 lvalues in the fb_none case with side-effects.
7567 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7569 * tree-flow.h: Remove the prototype for
7570 compute_phi_arg_on_exit.
7571 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7572 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7575 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7577 * builtins.c (expand_builtin_return_addr): Only use
7578 frame_pointer_rtx when count == 0 and we are expanding
7579 __builtin_return_address.
7581 2006-06-12 Fred Fish <fnf@specifix.com>
7583 * config/mips/mips.c (mips_file_start): Create special section
7584 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7586 2006-06-11 Eric Christopher <echristo@apple.com>
7589 * stor-layout.c (place_field): Remove check for
7590 remaining_in_alignment when aligning at the end of a run.
7592 2006-06-11 Eric Christopher <echristo@apple.com>
7595 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7598 2006-06-11 Roger Sayle <roger@eyesopen.com>
7601 Revert incorrect fix for PR target/27158
7602 2006-05-08 Roger Sayle <roger@eyesopen.com>
7603 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7604 of a reg_equiv_constant if the result is a legitimate constant.
7606 2006-06-11 Roger Sayle <roger@eyesopen.com>
7609 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7610 extract a CONST_VECTOR element and interpret it as an integer.
7611 (vspltis_constant): Use const_vector_elt_as_int instead of the
7612 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7613 * config/rs6000/predicates.md (easy_vector_const): Consider
7614 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7616 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7619 * stor-layout.c (update_alignment_for_field): Don't add extra
7620 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7623 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7625 * config/mips/t-rtems: Add EL/EB multilib variants.
7627 2006-06-09 Mike Stump <mrs@apple.com>
7629 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7631 2006-06-09 David Daney <ddaney@avtrex.com>
7633 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7635 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7637 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7639 2006-06-09 Richard Guenther <rguenther@suse.de>
7641 PR tree-optimization/26998
7642 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7643 of signed types, only TYPE_MIN_VALUE is special, but for both,
7644 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7645 in this case, as is -fwrapv.
7647 2006-06-08 Mike Stump <mrs@apple.com>
7650 * config/darwin.c (darwin_asm_output_anchor): Disable
7651 -fsection-anchors on darwin for now.
7652 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7653 * rs6000/rs6000.c (optimization_options): Likewise.
7655 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7658 * config/i386/i386.c (classify_argument): Skip fields with invalid
7661 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7663 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7664 (cse_insn): Likewise for the stack_pointer_rtx.
7666 2006-06-08 Roger Sayle <roger@eyesopen.com>
7668 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7669 conditions from floating point comparisons.
7671 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7674 * expmed.c (struct alg_hash_entry): Fix type of field T
7675 to match synth_mult argument.
7676 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7678 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7681 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7684 2006-06-08 Richard Guenther <rguenther@suse.de>
7687 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7688 only, if overflow is defined and not trapping.
7689 (negate_expr): Likewise.
7691 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7693 PR tree-optimization/27872
7694 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7695 flag on the new exit edge of the unrolled loop.
7697 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7699 PR rtl-optimization/26449
7700 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7702 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7705 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7706 referenced_variables with matching DECL_UID's.
7707 (find_referenced_vars): Make sure duplicate list is empty to start.
7708 (referenced_var_p): Remove.
7709 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7710 Check if var is in the list, and add if needed. Update the duplicate
7711 list if a different var is in the list with the same DECL_UID.
7712 (add_referenced_var): Call routine to check and insert.
7713 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7714 * tree-flow.h (referenced_vars_dup_list): External declaration.
7716 2006-06-07 Fred Fish <fnf@specifix.com>
7718 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7721 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7724 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7725 the imaginary and real parts of a clobbered register.
7726 Emit insn to set the imaginary part.
7728 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7730 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7731 in lieu of unwind-dw2-fde.c.
7733 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7735 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7737 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7740 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7741 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7742 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7743 V4SImode temporaries and operations instead.
7745 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7747 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7750 2006-06-06 Mike Stump <mrs@apple.com>
7752 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7753 installing during build.
7755 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7757 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7759 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7760 * config/ia64/ia64.c (params.h): New header.
7761 (ia64_optimization_options): New function to adjust parameters.
7762 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7763 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7764 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7766 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7768 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7770 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7773 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7775 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7776 Victor Kaplansky <victork@il.ibm.com>
7778 PR tree-optimization/26360
7779 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7782 2006-06-04 Roger Sayle <roger@eyesopen.com>
7783 Andrew Pinski <pinskia@physics.uc.edu>
7786 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7787 for LABEL_DECL before calling DECL_WEAK.
7790 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7791 LABEL_DECL and PARM_DECL.
7793 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7797 * c-decl.c (grokdeclarator): Disallow variably modified types at
7798 file scope. Avoid marking shared array type of constant size as
7801 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7804 * c-common.c (fold_offsetof_1): Handle static members.
7806 2006-06-04 Eric Christopher <echristo@apple.com>
7808 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7809 (debug_rli): Output value for remaining_in_alignment.
7810 (update_alignment_for_field): Unconditionalize
7811 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7812 extra alignment code.
7813 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7814 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7815 * tree.h (record_layout_info_s): Remove prev_packed.
7816 * doc/extend.texi (ms_struct): Add documentation of format.
7818 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7820 * tree.h: Declare folding_initializer.
7821 * builtins.c (fold_builtin_constant_p): Give definite answer
7822 if folding inside an initializer.
7823 * fold-const.c: Define folding_initializer.
7824 (START_FOLD_INIT): Save and then set folding_initializer.
7825 (END_FOLD_INIT): Restore folding_initializer.
7827 2006-06-04 Richard Guenther <rguenther@suse.de>
7829 PR tree-optimization/27039
7830 * fold-const.c (fold_comparison): Handle pointer comparison
7831 again for all comparison codes. Compare offsets in signed
7833 (fold_binary): Move code from here.
7835 2006-06-03 Roger Sayle <roger@eyesopen.com>
7838 * config/i386/i386.c (construct_container): Split static issued_error
7839 flag into issued_sse_arg_error, issued_sse_ret_error and
7840 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7841 requires the use of x87 registers and the user explicitly
7842 specified the -mno-80387 command line option.
7844 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7846 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7847 HAVE_DECL_SIGALTSTACK.
7849 (segv_handler): Use MC_FLD.
7850 * configure.ac: Check for a sigaltstack declaration.
7851 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7852 * configure: Regenerate.
7853 * config.in: Regenerate.
7855 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7858 * Makefile.in (stmp-fixinc): Fix typo.
7860 2006-06-02 Roger Sayle <roger@eyesopen.com>
7862 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7863 are type correct. Clean-up.
7864 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7865 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7867 2006-06-01 DJ Delorie <dj@redhat.com>
7869 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7870 shift, as we've disabled the "switch" insn that needs it.
7872 2006-06-01 Per Bothner <bothner@bothner.com>
7874 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7875 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7876 * c-ppoutput.c (cb_define): Don't increment line 0.
7878 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7880 * doc/invoke.texi: Add cpu_type power6.
7881 * config.gcc: Add cpu_type power6.
7882 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7883 to power5+ with Altivec.
7884 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7885 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7887 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7889 * config/avr/avr.h (SET_ASM_OP): Define.
7891 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7893 * config/bfin/bfin.c: Fix comment typos.
7895 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7898 * doc/install.texi: Document --enable-bootstrap and
7899 --disable-bootstrap.
7901 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7903 * doc/install.texi: Document that InfoZIP can replace jar.
7905 2006-05-31 Roger Sayle <roger@eyesopen.com>
7907 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7908 isn't available, directly generate the simpler x87 patterns without
7909 the (use (const_int 0)).
7910 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7911 implementation isn't available.
7912 (*negdf2_1): Likewise.
7913 (*negxf2_1): XF mode negation is always done using the x87.
7914 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7916 2006-05-31 Roger Sayle <roger@eyesopen.com>
7918 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7919 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7921 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7923 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7925 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7926 * config/bfin/bfin.c (basic-block.h): Include.
7927 (struct machine_function): New.
7928 (bfin_init_machine_status): New.
7929 (override_options): Initialize init_machine_status.
7930 (bfin_hardware_loop): New.
7931 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7932 (DEF_VEC_P (loop_info)): New.
7933 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7934 (struct loop_info): New.
7935 (loop_info): New typedef.
7936 (struct loop_work): New.
7937 (loop_work): New typedef.
7938 (DEF_VEC_O (loop_work)): New.
7939 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7940 (bfin_dump_loops): New.
7941 (bfin_bb_in_loop): New.
7942 (bfin_scan_loop): New.
7943 (bfin_optimize_loop): New.
7944 (bfin_reorg_loops): New.
7945 (bfin_reorg): Use bfin_reorg_loops.
7946 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7948 (I_REGNO_P): Simplify.
7949 (DP_REGNO_P, DPREG_P): New macros.
7950 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7951 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7952 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7953 Add LT_REGS, LC_REGS, LB_REGS.
7954 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7956 (REGNO_REG_CLASS): Deal with loop registers.
7957 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7959 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7960 New constants for loop registers.
7961 (UNSPEC_LSETUP_END): New.
7962 (seq_insns): New define_attr. Set it for appropriate insns.
7963 (movsi_insn): Add alternatives for move from/to
7964 loop count registers.
7965 (doloop_end): New define_expand.
7966 (loop_end): New define_insn.
7967 (define_split for bad doloop_end): New.
7968 (lsetup_with_autoinit): New define_insn.
7969 (lsetup_without_autoinit): New define_insn.
7970 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7971 * config/bfin/predicates.md (lc_register_operand): New.
7972 (lt_register_operand): New.
7973 (lb_register_operand): New.
7974 (nondp_register_operand): New.
7975 (nondp_reg_or_memory_operand): New.
7976 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7978 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7980 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7981 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7983 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7985 * Makefile.in (CATALOGS): Add po/ prefix.
7986 * configure: Regenerated.
7988 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7991 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7992 a shift operand before calling shift_op. Avoid redundant call of
7995 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7996 DJ Delorie <dj@redhat.com>
7998 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7999 we're inserting is a singlt-bit constant.
8001 2006-05-30 Roger Sayle <roger@eyesopen.com>
8003 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8004 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8006 2006-05-30 Roger Sayle <roger@eyesopen.com>
8008 PR tree-optimization/23452
8009 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8010 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8011 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8012 complex values and with -ffast-math for FP complex values.
8014 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8016 * c-common.h: Remove the prototype for yyparse.
8017 * rtl.h: Remove the prototype for init_loop.
8019 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8021 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8024 2006-05-30 Roger Sayle <roger@eyesopen.com>
8026 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8028 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8029 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8031 2006-05-30 Dirk Mueller <dmueller@suse.de>
8034 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8035 for CONSTANT_CLASS_P expresisons.
8037 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8040 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8042 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8044 PR tree-optimization/27779
8045 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8046 initial_condition instead of CHREC_LEFT.
8048 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8050 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8051 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8052 Make prototypes ISO C90.
8054 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8055 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8057 * see.c (see_analyze_one_def): Correct check.
8058 (see_get_extension_data): Check if extension is parallel.
8059 (see_get_extension_reg): Likewise.
8061 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8064 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8065 into register for (code == GTU).
8067 2006-05-29 Roger Sayle <roger@eyesopen.com>
8069 PR tree-optimization/24964
8070 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8071 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8072 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8073 abs(x)*abs(x) as x*x for scalar floating point modes.
8075 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8078 * lambda-code.c (perfect_nestify): Don't copy statements
8079 in the inner loop: move them to the inner loop header.
8081 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8084 * c-tree.texi: Document OpenMP directives and clauses.
8086 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8088 * varasm.c (globalize_decl): Fix indentation.
8090 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8093 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8094 pass_fre, pass_store_ccp, pass_copy_prop,
8095 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8096 pass_return_slot, pass_object_size, pass_lim,
8097 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8098 pass_loop_prefetch and pass_stdarg.
8100 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8102 * config/bfin/bfin.opt (mfdpic): New option.
8103 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8104 (EXTRA_MULTILIB_PARTS): Likewise.
8105 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8106 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8108 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8109 (CRT_CALL_STATIC_FUNCTION): New.
8110 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8112 (CRT_CALL_STATIC_FUNCTION): New.
8113 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8115 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8116 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8117 (initialize_trampoline): Changed to handle FD-PIC code generation.
8118 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8119 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8120 (override_options): Disallow -mid-shared-library -mfdpic combination.
8121 Can't do unaligned ops if FD-PIC.
8122 Turn off flag_pic if trying to generate non-id-shared-library
8123 non-fdpic code, since it's not supported.
8124 (bfin_assemble_integer): New function.
8125 (TARGET_ASM_INTEGER): Define.
8126 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8128 * config/bfin/crtn.s: Restore them.
8129 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8131 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8132 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8133 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8134 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8135 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8137 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8138 FDPIC_REGS and FDPIC_FPTR_REGS.
8139 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8140 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8141 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8142 (load_funcdescsi): New pattern.
8143 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8144 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8145 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8147 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8149 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8152 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8154 * tree-flow.h: Remove the prototype for add_type_alias.
8155 * tree-ssa-alias.c (add_type_alias): Remove.
8157 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8159 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8160 config/fr30/fr30.md, config/i386/i386-interix.h,
8161 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8162 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8163 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8164 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8165 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8166 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8167 Follow spelling conventions.
8168 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8169 Follow spelling conventions.
8171 2006-05-27 Richard Guenther <rguenther@suse.de>
8174 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8175 to produce a constant of value 1 of generic type.
8177 2006-05-27 Dirk Mueller <dmueller@suse.de>
8179 * cgraphunit.c (decide_is_function_needed): Fix wrong
8182 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8184 PR rtl-optimization/27661
8185 * reload.c (find_reloads): When reloading a VOIDmode constant
8186 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8187 use Pmode as mode of the reload register.
8189 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8191 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8192 is enabled at -O and above.
8194 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8197 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8200 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8203 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8204 for anonymous variables explicitly declared by front ends.
8206 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8208 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8209 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8210 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8211 ref-all pointers, run a finalization pass for them.
8212 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8213 (finalize_ref_all_pointers): New function.
8214 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8215 regular pointer type to a ref-all pointer type.
8216 (get_tmt_for): Return the special memory tag for ref-all pointers.
8218 2006-05-25 Richard Guenther <rguenther@suse.de>
8221 * fold-const.c (fold_binary): Do not look at the stripped
8222 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8224 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8226 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8227 for LT and GT if the computed range is effectively empty.
8229 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8232 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8233 mips_quad_format formats instead of ieee_single_format,
8234 ieee_double_format and ieee_quad_format formats, respectively.
8236 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8238 PR tree-optimization/27639
8239 PR tree-optimization/26719
8240 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8241 call to scev_probably_wraps_p.
8242 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8243 used_in_pointer_arithmetic_p, convert_step): Removed.
8244 (nowrap_type_p): New function.
8245 (scev_probably_wraps_p): Rewritten.
8246 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8247 chrec_convert if chrec_convert_aggressive might have been used.
8248 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8249 scev_direction): New functions.
8250 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8251 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8252 instead of convert_step.
8253 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8254 (convert_step): Declaration removed.
8255 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8257 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8259 * df-core.c: Added to header comments.
8260 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8261 df_ur_bb_info, df_urec_bb_info): Added comments.
8262 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8263 urec, ri problems): Fixed header comments.
8264 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8265 code from df_rd_transfer_function.
8267 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8269 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8270 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8271 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8273 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8275 * expr.c (undefined_operand_subword_p): New.
8276 (emit_move_multi_word): Do not generate move from undefined bits
8277 of a paradoxical subreg.
8279 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8281 PR rtl-optimization/27736
8282 * combine.c (replaced_rhs_value): New variable.
8283 (combine_instructions): Set it.
8284 (distribute_notes): When distributing a note in replaced_rhs_insn,
8285 check whether the value was used in replaced_rhs_value.
8287 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8290 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8291 add_referenced_var instead of add_referenced_tmp_var.
8292 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8293 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8295 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8296 tree_optimize_tail_calls_1): Use add_referenced_var.
8297 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8298 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8299 Use add_referenced_var.
8300 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8301 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8302 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8303 Use add_referenced_var.
8304 * tree-dfa.c (struct walk_state): Remove.
8305 (find_referenced_vars): Remove walk state and vars_found hash table.
8306 (make_rename_temp): Use add_referenced_var.
8307 (find_vars_r): Pass less parameters to add_referenced_var.
8308 (referenced_var_p): New. Is var in referenced_var hash table.
8309 (referenced_var_insert): Assert var isn't already in hash table.
8310 (add_referenced_var): Don't need walk_state parameter. Add var if it
8311 isn't already in the hash table.
8312 (add_referenced_tmp_var): Remove.
8313 (find_new_referenced_vars_1): Use add_referenced_var.
8314 * tree-ssa-pre.c (create_expression_by_pieces,
8315 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8316 Use add_referenced_var.
8317 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8318 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8319 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8321 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8322 vect_create_data_ref_ptr, vect_create_destination_var,
8323 vect_init_vector, vect_build_loop_niters,
8324 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8325 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8326 Use add_referenced_var.
8327 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8328 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8329 (add_referenced_var): Add prototype.
8330 * tree-ssa-structalias.c (get_constraint_for,
8331 intra_create_variable_infos): Use add_referenced_var.
8333 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8335 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8336 big-endian paradoxical subregs.
8337 * var-tracking.c (struct micro_operation_def): Document that,
8338 for modify micro operations, insn is the subsequent instruction.
8339 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8340 (var_reg_set, var_mem_set): ... new functions.
8341 (add_stores): Record subsequent insn.
8342 (compute_bb_dataflow): Use new functions for MO_USE.
8343 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8344 notes after the insn, and modify notes before the insn known
8345 to be the subsequent one.
8346 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8348 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8351 * config/i386/i386.c (ix86_expand_builtin): Use
8352 gen_sse3_monitor64 for TARGET_64BIT.
8354 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8356 PR rtl-optimization/26375
8357 PR rtl-optimization/26855
8358 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8360 (df_ru_bb_local_compute): Reversed statements and removed bogus
8361 comment explaining why they should be in wrong order.
8362 (df_ru_dump, df_rd_dump): Enhanced debug info.
8363 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8365 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8366 reaching uses and fixed space problem.
8368 2006-05-23 Jan Hubicka <jh@suse.cz>
8370 * cgraphunit.c (decide_is_function_needed): Also nested functions
8371 and functions declared inline can be optimized out at -O0.
8373 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8375 * doc/install.texi (Configuration): Remove reference to CrossGCC
8379 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8382 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8383 ix86_compare_emitted is non-NULL.
8385 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8388 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8391 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8393 PR rtl-optimization/25514
8394 * combine.c (replaced_rhs_insn): New variable.
8395 (combine_instructions): Set replaced_rhs_insn when trying to replace
8396 a SET_SRC with a REG_EQUAL note.
8397 (distribute_notes): Use replaced_rhs_insn when determining the live
8398 range of a REG_DEAD register.
8400 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8401 Anatoly Sokolov <aesok@post.ru>
8403 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8404 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8405 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8406 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8407 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8408 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8409 at90usb647, at90usb1286 and at90usb1287 devices.
8410 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8411 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8413 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8415 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8417 2006-05-22 Richard Guenther <rguenther@suse.de>
8420 2006-01-31 Richard Guenther <rguenther@suse.de>
8421 Paolo Bonzini <bonzini@gnu.org>
8423 * doc/install.texi (--disable-libgcc-math): Document.
8425 2006-05-22 Richard Guenther <rguenther@suse.de>
8428 2006-01-31 Richard Guenther <rguenther@suse.de>
8430 * doc/invoke.texi (-msselibm): Document.
8431 * target.h (expand_library_builtin): New target hook.
8432 * builtins.c (expand_builtin): Use expand_library_builtin.
8433 (default_expand_library_builtin): New function.
8434 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8435 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8436 (link_gcc_math_spec): Declare.
8437 (static_specs): Add link_gcc_math_spec.
8438 * expr.h (default_expand_library_builtin): Declare.
8439 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8440 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8441 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8442 * config/i386/i386.opt (msselibm): New target option.
8443 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8444 (ix86_init_sse_abi_builtins): New function.
8445 (ix86_expand_library_builtin): Likewise.
8446 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8447 (override_options): Handle error conditions wrt -msselibm.
8448 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8449 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8450 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8453 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8456 * c-common.c (self_promoting_args_p): Skip erroneous args.
8459 * c-decl.c (finish_struct): Skip erroneous fields.
8461 2006-05-22 Nick Clifton <nickc@redhat.com>
8463 * config/cris/cris.opt (march): Remove VarExists attribute.
8464 (max-stackframe=): Likewise.
8466 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8468 * doc/rtl.texi: Fix a typo.
8469 * see.c: Fix comment typos.
8471 * tree-ssa-structalias.h (alias_info): Remove num_references.
8473 2006-05-21 Mike Stump <mrs@apple.com>
8475 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8477 (darwin_pragma_options): Use BAD instead.
8478 (darwin_pragma_unused): Likewise.
8479 (darwin_pragma_ms_struct): Likewise.
8481 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8483 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8485 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8487 PR rtl-optimization/27671
8488 * simplify-rtx.c (simplify_relational_operation_1): Fix
8489 simplifications of (eq/ne (xor x y) y) and
8490 (eq/ne (xor x y) x).
8492 PR tree-optimization/26622.
8493 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8496 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8498 * tree-cfg.c: Prune whitespace.
8499 (debug_tree_cfg): Point to correct header containing the
8502 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8505 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8507 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8510 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8511 or sorry count is non zero.
8513 2006-05-20 Andreas Schwab <schwab@suse.de>
8515 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8517 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8518 Kenneth Zadeck <zadeck@naturalbridge.com>
8520 PR rtl-optimization/26855
8522 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8524 (df_scan_alloc): Added code to properly handle multiword hard
8525 registers and add all_blocks parameter.
8526 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8527 code to properly handle multiword hard registers.
8528 (df_rescan_blocks): Added code to remove deleted blocks from
8530 (df_ref_create_structure, df_ref_record): Added code to properly
8532 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8533 and set DF_REF_PARTIAL.
8534 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8535 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8536 (df_scan_add_problem): Added flags parameter.
8537 (df_ref_create_structure): Changed switching structure.
8538 (df_bb_refs_record): Fixed case where duplicate artificial refs
8539 were created. Changed location of flags.
8540 (df_record_entry_block_defs): Added code to make stack pointer
8541 live in entry block. Refined cases where frame pointer is needed.
8542 Changed location of flags.
8543 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8544 (df_set_state): Removed function.
8545 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8546 df_insn_create_insn_record, df_insn_refs_delete,
8547 df_ref_create_structure): Formatting changes.
8548 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8549 df_delete_basic_block): New function.
8550 (df_init): Changed location of flags.
8551 (df_add_problem): Added flags parameter and the way flags are
8553 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8554 debug_df_chain): Improved debugging output.
8555 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8556 (df_refs_chain_dump): Removed df parameter.
8557 (df_iterative_dataflow): Added consistency check.
8558 (df_prune_to_subcfg): Made public.
8559 (df_analyze_problem): Added blocks_to_init parameter and made
8561 (df_ref_record, df_bb_refs_record, df_mark_reg,
8562 df_record_exit_block_uses): Whitespace changes.
8563 (df_dump): Whitespace changes.
8564 * df.h: Some reordering to remove forward references.
8565 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8566 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8567 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8568 (dataflow.flags): New field.
8569 (df.flag): Deleted field.
8570 (df_alloc_function): Added additional bitmap parameter.
8571 (df_dependent_problem_function): New type.
8572 (df_problem.changeable_flags): New field.
8573 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8574 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8575 (df_mw_hardreg): New struct.
8576 (DF_INSN_UID_MWS): New macro.
8577 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8579 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8580 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8581 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8582 (df_set_state): Removed function.
8583 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8584 * df-problems.c (df_chain_dump): Removed df parameter.
8585 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8586 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8588 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8589 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8590 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8591 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8592 DF_REF_MUST_CLOBBER cases.
8593 (df_ru_bb_local_compute_process_def,
8594 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8595 df_lr_bb_local_compute, df_ur_bb_local_compute,
8596 df_chain_create_bb): Made subreg aware.
8597 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8598 df_lr_bb_local_compute, df_lr_bb_local_compute,
8599 df_chain_create_bb): Cleanup to use proper macros.
8600 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8601 code to fixup bitvectors.
8602 (df_ri_alloc): Cleared lifetime.
8603 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8604 df_create_unused_note): New function.
8605 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8606 REG_DEAD and REG_UNUSED notes as well as register information.
8607 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8608 df_chains_dump): Fixed crash if problem was never run.
8609 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8610 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8611 df_ri_add_problem): Processes flags in uniform manner.
8612 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8613 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8614 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8615 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8616 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8617 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8618 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8619 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8620 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8621 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8622 * see.c (see_initialize_data): Ditto.
8623 * final.c (rest_of_clean_state) Added regstack_completed.
8624 * rtl.h (regstack_completed): Ditto.
8625 * reg-stack.c (regstack_completed): Ditto.
8627 2006-05-19 Mike Stump <mrs@apple.com>
8629 * c-tree.h (default_conversion): Remove.
8630 * c-common.h (default_conversion): Add.
8632 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8634 * tree-vrp.c (valid_value_p): New function.
8635 (adjust_range_with_scev): Fail if the value of bound is not
8638 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8640 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8641 (mips_fallback_frame_state): Use syscall numbers to determine
8642 the appropriate li instruction for the current ABI. Only use
8643 __NR_sigreturn for o32.
8645 2006-05-19 Nicolas Setton <setton@adacore.com>
8647 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8648 * langhooks.c (lhd_dwarf_name): New function.
8649 * langhooks-def.h (lhd_dwarf_name): Declare.
8650 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8651 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8653 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8655 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8657 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8658 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8659 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8660 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8661 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8662 determine the size of Wtype, etc.
8663 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8664 (swfloatfuncs): New variable.
8665 (dwfloatfuncs): Likewise.
8666 (lib2funcs): Remove floating-point conversion functions from
8667 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8668 the set of conversion routines needed. Allow entries to specify
8669 an object name, filename and word size. Update users accordingly.
8670 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8671 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8675 2006-02-08 Roger Sayle <roger@eyesopen.com>
8678 * config/fixtfdi.c: New libgcc source file.
8679 * config/fixunstfdi.c: New source file.
8680 * config/floatditf.c: New source file.
8681 * config/floatunditf.c: New souce file.
8682 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8683 files above instead of config/mips/_tilib.c.
8684 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8686 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8688 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8689 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8691 2006-05-18 Mike Stump <mrs@apple.com>
8693 Fix up vla, vm and [*] sematics.
8699 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8700 (c_vla_unspec_p): Add.
8701 (c_vla_type_p): Add.
8702 * c-decl.c (struct c_scope): Add had_vla_unspec.
8703 (build_array_declarator): Add support for [*].
8704 (grokdeclarator): Likewise.
8705 (grokparms): Likewise.
8706 (get_parm_info): Likewise.
8707 * c-objc-common.c (c_vla_unspec_p): Likewise.
8708 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8709 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8710 typeof when argument is a variably modified type not inside sizeof or alignof.
8711 (c_parser_direct_declarator_inner): Propagate errors.
8712 (c_parser_sizeof_expression): Add support for [*].
8713 (c_parser_parms_declarator): Initialize had_vla_unspec.
8714 (c_parser_parms_list_declarator): Likewise.
8715 * c-typeck.c (c_vla_type_p): Add.
8716 (composite_type): Add support for vla compositing.
8717 (comptypes_internal): Add support for vla compatibility.
8718 (c_expr_sizeof_expr): Evaluate vla arguments.
8719 * tree.c (variably_modified_type_p): Update comment for [*].
8721 2006-05-18 Michael Matz <matz@suse.de>
8724 * config.host: Make assignments to host_xmake_file cumulative.
8725 * config.host (*-darwin*): Test $host, not $target.
8727 2006-05-12 Stuart Hastings <stuart@apple.com>
8729 * config/i386/i386.opt (-mstackrealign): New flag.
8730 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8731 (ix86_handle_cconv_attribute): Emit error when
8732 force_align_arg_pointer attribute collides with too many regparms.
8733 (ix86_function_regparm): Limit regparms when used with
8734 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8735 Support stack-realigning prologue in non-main functions. Emit
8736 warning for nested functions under -mstackrealign, emit error for
8737 nested functions with force_align_arg_pointer attribute.
8738 * doc/extend.texi (force_align_arg_pointer): Document it.
8739 * doc/invoke.texi (-mstackrealign): Document it.
8741 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8743 PR rtl-optimization/27477
8744 * combine.c (try_combine): Don't split a parallel consisting
8745 of two sets into two individual sets if both sets reference
8748 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8750 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8751 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8753 * doc/options.texi (VarExists): Updated.
8755 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8757 * unwind-dw2.c: Add declarations for uw_update_context and
8759 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8760 detected, advance frame state and context once to skip over stub.
8762 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8766 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8767 Call rewrite_into_loop_closed_ssa only when something changed.
8768 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8769 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8770 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8771 Test for perfect_nest_p here. Fix formating.
8772 (replace_uses_equiv_to_x_with_y): Fix formating.
8773 (stmt_uses_op): Removed.
8774 (can_convert_to_perfect_nest): Removed loopivs parameter.
8775 Complete the test by checking the scalar dependences.
8776 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8779 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8782 From Dan Kegel <dank@kegel.com>:
8783 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8785 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8787 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8788 if the element type is variably modified without recursing.
8790 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8793 * tree-loop-linear.c (try_interchange_loops): Test for
8794 no data dependences.
8796 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8798 PR tree-optimization/27548
8799 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8800 range of ssa names that appear on abnormal edges.
8801 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8802 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8804 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8807 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8809 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8812 * tree.h (OMP_PARALLEL_COMBINED): Define.
8813 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8814 (new_omp_context): Add is_combined_parallel argument.
8815 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8816 new_omp_context caller.
8817 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8818 Adjust gimplify_scan_omp_clauses callers.
8819 (omp_is_private): Issue errors if iteration variable is firstprivate
8820 or reduction in the current context.
8821 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8822 on combined parallel workshare constructs.
8824 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8826 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8827 (gcc-options.o): New rule.
8829 * optc-gen.awk: Protect variables for gcc-options.o with
8830 #ifdef GCC_DRIVER/#endif.
8832 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8834 Fix PR tree-optimization/27373
8835 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8836 (forward_propagate_addr_expr): Update call.
8838 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8840 * doc/options.texi: Move the Negative option.
8842 2006-05-16 Richard Guenther <rguenther@suse.de>
8844 PR tree-optimization/22303
8845 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8847 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8848 ccp_fold did not simplify the statement.
8850 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8853 * Makefile.in (GCC_OBJS): New.
8854 (OBJS-common): Add opts-common.o.
8855 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8856 (cpp$(exeext)): Likewise.
8857 (gcc.o): Also depend on opts.h.
8858 (opts-common.o): New.
8860 * common.opt (gcoff): Add Negative(gdwarf-2).
8861 (gdwarf-2): Add Negative(gstabs).
8862 (gstabs): Add Negative(gstabs+).
8863 (gstabs+): Add Negative(gvms).
8864 (gvms): Add Negative(gxcoff).
8865 (gxcoff): Add Negative(gxcoff+).
8866 (gxcoff+): Add Negative(gcoff).
8867 * config/i386/i386.opt (m32): Add Negative(m64).
8868 (m64): Add Negative(m32).
8870 * doc/options.texi: Document the Negative option.
8872 * gcc.c: Include "opts.h".
8873 (main): Call prune_options after expandargv.
8875 * optc-gen.awk: Generate common declarations for all flag
8876 variables in options.c. Output the neg_index field.
8878 * opts.c (find_opt): Moved to ...
8879 * opts-common.c: Here. New file.
8881 * opts.h (cl_option): Add a neg_index field.
8883 (prune_options): Likewise.
8885 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8888 * omp-low.c (expand_omp_parallel): Don't assert
8889 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8890 instead search for it.
8893 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8896 2006-05-16 Andreas Schwab <schwab@suse.de>
8898 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8901 2006-05-15 Roger Sayle <roger@eyesopen.com>
8904 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8905 integer constants other than zero are only legitimate on TARGET_64BIT.
8906 <CONST_VECTOR> Only zero vectors are legitimate.
8907 (ix86_cannot_force_const_mem): Integral and vector constants can
8908 always be put in the constant pool.
8910 2006-05-16 DJ Delorie <dj@redhat.com>
8912 * crtstuff.c (__dso_handle): Set section from
8913 TARGET_LBIGCC_SDATA_SECTION if defined.
8914 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8915 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8917 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8920 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8923 2006-05-16 Ben Elliston <bje@au.ibm.com>
8925 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8927 2006-05-15 Per Bothner <per@bothner.com>
8929 * tree.c: (last_annotated_node): Use source_locus typedef.
8930 This permits bootstrapping with --enable-mapped-location.
8932 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8934 PR tree-optimization/26830
8935 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8936 (info_for_ssa_name, current_info_for_ssa_name_age,
8937 blocks_to_update): New variables.
8938 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8939 (clear_ssa_name_info, initialize_flags_in_bb,
8940 mark_block_for_update): New functions.
8941 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8942 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8943 prepare_def_site_for): Use mark_block_for_update.
8944 (mark_def_interesting): Assert that the processed block is marked in
8945 blocks_to_update. Do not take blocks argument.
8946 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8948 (rewrite_update_init_block, rewrite_update_stmt): Only process
8949 blocks with statements to rewrite.
8950 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8951 (update_ssa): Initialize and free blocks_to_update. Do not
8952 clear flags on statements. Do not use blocks bitmap.
8953 * tree.h (SSA_NAME_AUX): Removed.
8954 (struct tree_ssa_name): Removed aux field.
8955 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8957 2006-05-15 Richard Guenther <rguenther@suse.de>
8959 PR tree-optimization/27603
8960 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8961 Do computations in original type.
8963 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8965 * see.c: Code style changes such as redundant paranthesis,
8966 redundant intialization of local variables etc.
8967 (see_main): Declared now as static.
8968 * doc/invoke.texi: Update that -fsee is not enabled by
8971 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8973 * omp-low.c (check_omp_nesting_restrictions): New function.
8974 (scan_omp_1): Call it.
8977 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8978 construct, return *VAR.
8980 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8982 PR rtl-optimization/27406
8983 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8986 2006-05-14 Roger Sayle <roger@eyesopen.com>
8988 PR rtl-optimization/27538
8989 * combine.c (expand_compound_operation): Call gen_lowpart
8990 before calling simplify_shift_const.
8992 2006-05-14 Roger Sayle <roger@eyesopen.com>
8994 PR rtl-optimization/22563
8995 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8996 a fixed width bitfield, always force the intermediates into psuedos.
8998 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9001 * mkconfig.sh: Use operator = instead of == for test.
9003 2006-05-13 Nick Clifton <nickc@redhat.com>
9005 * dwarf2out.c (dbx_reg_number): Check return value from
9006 LEAF_REG_REMAP and only use it if it is valid.
9007 (multiple_reg_loc_descriptor): Likewise.
9009 2006-05-13 Richard Guenther <rguenther@suse.de>
9011 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9014 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9016 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9017 information attached to non-INSNs such as NOTEs.
9018 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9020 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9022 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9024 * config/s390/s390.md: Adjust comment describing On constraint.
9026 2006-05-11 Jan Hubicka <jh@suse.cz>
9028 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9029 to be output at -O0.
9031 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9034 * fold-const.c (size_binop): Move sanity check for arguments to
9035 the beginning of the function.
9038 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9041 2006-05-11 Richard Guenther <rguenther@suse.de>
9044 * fold-const.c (fold_unary): Handle intermediate conversion
9045 to a pointer type like intermediate conversion to an integer
9046 type in folding of (T1)(T2)var to var.
9047 Match the code to the comment in the final conversion for
9048 (T1)(T2)var to (T1)var regarding to type precision. Rather
9049 than disallow T1 being of pointer type, assert that both T1
9050 and var are of pointer type or not. Make sure not to fall
9051 over the frontends lazyness wrt array to pointer decay though.
9053 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9055 * arm.c (arm_struct_value_rtx): Delete.
9056 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9057 (arm_init_cumulative_args): Always initialize nregs to zero.
9059 2006-05-10 Richard Guenther <rguenther@suse.de>
9061 PR tree-optimization/27532
9062 * tree-object-size.c (plus_expr_object_size): Fix typo.
9064 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9067 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9068 ashrdi_const, ashrdi3): Use a scratch register.
9070 2006-05-10 Richard Guenther <rguenther@suse.de>
9072 PR tree-optimization/27302
9073 * fold-const.c (operand_equal_p): For two comparisons,
9074 try comparison of one comparison code swapped if that yields
9077 2006-05-10 Ben Elliston <bje@au.ibm.com>
9079 * tree-pretty-print.c (pretty_print_string): No need to handle
9080 '\0' as a special character.
9082 * tree.h: Include "hashtab.h".
9083 (iterative_hash_expr): Use hashval_t in its prototype.
9084 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9086 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9089 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9090 (hppa*64*-*-hpux11*): Ditto.
9091 (hppa[12]*-*-hpux11*): Ditto.
9093 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9096 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9098 2006-05-09 Michael Matz <matz@suse.de>
9100 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9101 host_extra_gcc_objs and host_xmake_file.
9102 (<*-*-linux*>): Don't overwrite host_xmake_file.
9103 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9104 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9105 (host_detect_local_cpu): Declare.
9106 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9107 * config/i386/i386.c (override_options): Handle -mtune=native
9109 * config/i386/x-i386: New file.
9110 * config/i386/driver-i386.c: New file.
9111 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9114 2006-05-09 Dirk Mueller <dmueller@suse.de>
9115 Richard Guenther <rguenther@suse.de>
9118 * fold-const.c (fold_read_from_constant_string): Relax check
9119 for matching types to matching modes.
9121 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9123 PR rtl-optimization/27335
9124 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9127 2006-05-08 Chao-ying Fu <fu@mips.com>
9128 Richard Sandiford <richard@codesourcery.com>
9130 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9131 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9132 * config/mips/mips.md (UNSPEC_SCC): New constant.
9133 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9134 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9135 (mips_emit_compare): Use it.
9136 (mips_expand_vcondv2sf): New function.
9138 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9140 Fix PR tree-optimization/27093
9141 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9142 renaming when they become not-used_alone.
9144 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9146 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9147 relocation and relocation stubs.
9149 2006-05-08 Eric Christopher <echristo@apple.com>
9151 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9154 2006-05-08 Jan Hubicka <jh@suse.cz>
9157 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9158 unused static functions are needed.
9160 2006-05-08 Roger Sayle <roger@eyesopen.com>
9163 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9164 of a reg_equiv_constant if the result is a legitimate constant.
9166 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9169 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9170 standard 80387 constants, raise the cost to prevent
9171 compress_float_constant() to generate load from memory.
9173 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9175 * config/arm/constraints.md (c): Fix a typo.
9177 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9180 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9183 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9185 (_mm_mwait): Likewise.
9187 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9189 (sse3_monitor): Make it 32bit only.
9190 (sse3_monitor64): New. 64bit monitor.
9192 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9195 * config/i386/i386.c (classify_argument): Skip fields with invalid
9198 2006-05-07 Richard Guenther <rguenther@suse.de>
9200 PR tree-optimization/27409
9201 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9202 Do not try to find zero-sized subvars.
9204 2006-05-07 Richard Guenther <rguenther@suse.de>
9206 PR tree-optimization/27136
9207 * tree-ssa-loop-niter.c (get_val_for): Correct function
9208 comment, assert requirements.
9209 (loop_niter_by_eval): Stop processing if the iterated
9210 value did not simplify.
9212 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9214 * opts.c (flag_see): remove its setting at -O3.
9216 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9218 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9219 * arm/constraints.md: New file.
9220 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9221 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9222 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9223 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9224 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9225 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9226 * arm.md: Include constraints.md.
9227 (thumb_movsi_insn): Use satisfies_constraint_J.
9228 (movhi, movqi): Use satisfies_constraint_I.
9230 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9232 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9233 for atmeg a645 device.
9235 2006-05-06 Richard Guenther <rguenther@suse.de>
9237 PR tree-optimization/27151
9238 * tree-vect-transform.c (vectorizable_condition): Punt on
9239 values that have a different type than the condition.
9241 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9244 * c-parser.c (c_parser_cast_expression): Only insert casts into
9245 hash table if pointer.
9246 * function.c (used_types_insert_helper): Rename from
9248 (used_types_insert): Call used_types_insert_helper.
9249 * function.h (used_types_insert): Accept only one argument.
9251 2006-05-05 David Edelsohn <edesohn@gnu.org>
9253 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9254 scratch with output modifier.
9256 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9259 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9260 with output modifier.
9262 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9265 * config/mips/mips.c (mips_symbolic_address_p): Return true
9266 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9267 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9269 2006-05-04 Richard Guenther <rguenther@suse.de>
9271 PR tree-optimization/14287
9272 PR tree-optimization/14844
9273 PR tree-optimization/19792
9274 PR tree-optimization/21608
9275 PR tree-optimization/27090
9276 * tree-ssa-pre.c (try_combine_conversion): New function.
9277 (compute_avail): After constructing the value-handle
9278 expression, use try_combine_conversion to combine NOP_EXPRs
9279 with previous value-handle expressions and use the result if it
9282 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9284 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9286 2006-05-04 Jan Hubicka <jh@suse.cz>
9289 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9291 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9293 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9294 that this only matches CONST_INTs. All users changed to VOIDmode
9297 * config/bfin/bfin.c: Include "optabs.h".
9298 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9300 (enum bfin_builtins): Add a number of fractional and vector builtins.
9301 (bfin_init_builtins): Likewise.
9302 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9303 (safe_vector_operand, bfin_expand_binop_builtin,
9304 bfin_expand_unop_builtin): New functions.
9305 (bfin_expand_builtin): Handle the new builtins.
9306 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9309 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9312 * Makefile.in (OBJS-common): Add see.o.
9313 (see.o): Add dependencies.
9314 * common.opt (fsee): New flag for the see optimization was added.
9315 * opts.c (flag_see): Initialized.
9316 * passes.c (init_optimization_passes, pass_see): New pass.
9317 * rtl.h (see_main): Declaration as extern.
9318 * timevar.def (TV_SEE): New.
9319 * tree-pass.h (pass_see): Declaration as extern.
9320 * invoke.texi (-fsee): Document.
9321 * recog.c (validate_simplify_insn): New function.
9322 * recog.h (validate_simplify_insn): Declaration as extern.
9323 * df-problems.c (df_chain_dump): Check for NULL.
9325 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9326 Daniel Berlin <dberlin@dberlin.org>
9328 * cfgrtl.c (insert_insn_bb_end_new): New function.
9329 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9331 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9333 * df.h (struct web_entry): Moved from web.c.
9334 (union_defs): Declaration as extern.
9335 (unionfind_root): Likewise.
9336 (unionfind_union): Likewise.
9337 * web.c (struct web_entry): Moved to df.h.
9338 (unionfind_root): Remove static declaration.
9339 (unionfind_union): Likewise.
9340 (union_defs): Likewise and generalize to use callback function.
9341 (web_main): Update arguments for union_defs function call.
9343 2006-05-04 Richard Guenther <rguenther@suse.de>
9345 PR tree-optimization/26447
9346 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9347 produce SSA_NAME copies before the store stmt to avoid
9348 breaking exception handling.
9350 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9353 * gimplify.c (omp_is_private): If var is shared in some outer context,
9354 return false instead of true. Stop searching on parallel context
9357 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9360 * coverage.c: Use get_gcov_unsigned_t() instead of
9361 unsigned_type_node all over.
9363 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9365 PR tree-optimization/27381
9366 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9367 maintain the same immediate_use links.
9368 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9369 node rather than segfaulting.
9371 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9374 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9375 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9376 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9378 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9380 Fix PR tree-optimization/26626
9381 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9383 * tree-ssa-operands.c (access_can_touch_variable): Allow
9384 typecasting through union pointers.
9386 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9389 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9390 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9391 to find if var will be a global variable even in the nested context.
9392 (omp_copy_decl): Only check for global variable at the end, it might
9393 be overridden in outer contexts.
9394 (scan_sharing_clauses): For global variables don't create a field.
9395 (lower_rec_input_clauses): Do nothing for global shared variables.
9396 Emit a barrier at the end of ILIST if there were any decls in both
9397 firstprivate and lastprivate clauses.
9398 (lower_send_clauses): Do nothing for global variables except for
9401 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9403 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9404 of the correct signedness is returned.
9406 2006-05-02 Jeff Law <law@redhat.com>
9408 PR tree-optimization/27364
9409 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9410 multiply expressions.
9412 2006-05-02 Tom Tromey <tromey@redhat.com>
9414 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9416 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9419 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9420 -mthumb -fPIC are used.
9422 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9423 Joshua Kinard <kumba@gentoo.org>
9426 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9427 with 64-bit pointers.
9429 2006-05-02 Paul Brook <paul@codesourcery.com>
9431 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9433 (create_fix_barrier): Check that a suitable barrier location is
9435 (arm_reorg): Include ftmp->address in allowable range of addresses.
9437 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9440 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9443 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9446 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9447 around RESULT_DECL for result passed by reference.
9448 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9449 * omp-low.c (use_pointer_for_field): Don't look at
9450 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9451 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9452 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9453 time or var for passing by reference for
9454 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9455 TREE_ADDRESSABLE variables when passing by reference.
9457 * omp-low.c (dump_omp_region): Fix output formatting.
9460 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9461 (expand_omp_parallel): Likewise.
9462 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9465 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9466 on statement list containing also constructors and destructors.
9467 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9470 * except.c (duplicate_eh_regions): Fix clearing of
9471 cfun->eh->region_array entries.
9473 2006-05-01 DJ Delorie <dj@redhat.com>
9475 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9477 (gcc_cv_objdump): Likewise.
9478 * configure: Regenerated.
9480 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9483 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9484 templates for case 3 and 4.
9486 2006-05-01 DJ Delorie <dj@redhat.com>
9488 * vec.c: Include bconfig.h when appropriate.
9489 * Makefile.in (build/vec.o): Adjust dependencies.
9490 * mkconfig.sh: Make sure config.h isn't used for build machine
9493 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9495 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9497 (mark_phi_for_rewrite): New function.
9498 (insert_phi_nodes_for, mark_use_interesting): Call
9499 mark_phi_for_rewrite.
9500 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9501 (update_ssa): Initialize and free phis_to_rewrite.
9503 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9505 PR rtl-optimization/27291
9506 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9507 folded to a constant.
9509 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9511 PR tree-optimization/27283
9512 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9513 not whole # of iteration descriptions.
9514 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9515 uses abnormal ssa name.
9516 (niter_for_single_dom_exit): Ditto.
9517 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9518 return just the number of iterations.
9520 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9522 PR tree-optimization/27144
9523 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9524 (record_estimate): Only record constant upper bound.
9525 (infer_loop_bounds_from_undefined): Call
9526 compute_estimated_nb_iterations just once.
9527 (proved_non_wrapping_p): Renamed to ...
9528 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9529 (convert_step_widening, scev_probably_wraps_p): Call
9530 n_of_executions_at_most instead of proved_non_wrapping_p.
9531 (substitute_in_loop_info): Do not replace values in bounds.
9532 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9535 2006-05-01 Richard Henderson <rth@redhat.com>
9538 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9539 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9542 2006-05-01 Roger Sayle <roger@eyesopen.com>
9544 * c-typeck.c (parser_build_binary_op): Don't call the function
9545 unsigned_conversion_warning to spot operand/result type overflow.
9546 (build_binary_op): Instead, call convert_and_check instead of
9547 convert to report the problem when the operands are promoted.
9548 * c-common.c (unsigned_conversion_warning): Make static.
9549 * c-common.h (unsigned_conversion_warning): Delete prototype.
9551 2006-05-01 Richard Guenther <rguenther@suse.de>
9553 PR tree-optimization/26726
9554 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9556 (find_interesting_uses_address): ... we work around here
9557 by folding INDIRECT_REFs in the substituted base.
9559 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9561 * omp-low.c (dump_omp_region): Add newlines.
9563 2006-04-30 Roger Sayle <roger@eyesopen.com>
9565 * common.opt (Woverflow): New command line option.
9566 * c-common.c (constant_expression_warning): Check warn_overflow.
9567 (overflow_waring): Pass OPT_Woverflow to warning.
9568 (unsigned_conversion_warning): Likewise.
9569 (convert_and_check): Likewise.
9570 * doc/invoke.texi: Document new command line option.
9572 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9574 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9575 TARGET_NO_FP_IN_TOC for section anchors.
9576 (optimization_options): Enable section anchors for all
9577 non-"Objective" languages.
9579 2006-04-28 Eric Christopher <echristo@apple.com>
9581 * config/darwin-c.c (darwin_ms_struct): Move this
9582 (darwin_set_default_type_attributes): and this...
9583 * config/darwin.c: ... here.
9584 * config/darwin.h (darwin_ms_struct): Declare.
9586 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9588 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9590 2006-04-28 Roger Sayle <roger@eyesopen.com>
9593 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9594 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9595 an unsigned HOST_WIDE_INT.
9596 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9598 (really_start_incremental_init): No need to call convert because
9599 bitsize_zero_node is already of type bitsizetype.
9600 (push_init_level): Extract the value of constructor_index as an
9601 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9602 (process_init_element): Likewise.
9604 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9606 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9607 value before passing to make_relative_prefix.
9609 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9612 * builtins.c (expand_builtin_memset): Expand val in original mode.
9614 2006-04-27 Eric Christopher <echristo@apple.com>
9616 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9617 with #ifndef/#endif.
9618 * config/darwin-c.c (darwin_ms_struct): New.
9619 (darwin_pragma_ms_struct): Ditto.
9620 (darwin_set_default_type_attributes): Ditto.
9621 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9622 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9623 Register ms_struct pragma.
9624 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9625 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9626 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9627 darwin_set_default_type_attributes if TARGET_MACHO.
9629 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9631 PR tree-optimization/26854
9632 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9633 * doc/tree-ssa.texi: Update immuse iterator documentation.
9634 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9635 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9636 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9637 first_safe_imm_use, next_safe_imm_use): Remove.
9638 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9639 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9640 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9641 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9642 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9643 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9644 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9645 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9646 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9647 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9648 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9649 (perfect_nestify): Use new iterator.
9650 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9652 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9653 (next_imm_name): New field in struct immediate_use_iterator_d.
9654 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9655 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9656 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9657 * tree-cfg.c (replace_uses_by): Use new iterator.
9658 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9659 * tree-ssa-operands.c (correct_use_link): Remove.
9660 (finalize_ssa_use_ops): No longer call correct_use_link.
9662 2006-04-27 Stuart Hastings <stuart@apple.com>
9664 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9665 * config/t-darwin (crt3.o): Use it.
9666 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9667 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9668 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9669 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9670 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9673 2006-04-27 Roger Sayle <roger@eyesopen.com>
9675 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9676 size, force the intermediate into a new pseudo rather instead of
9677 performing both a bitwise AND and a bitwise IOR in memory.
9679 2006-04-27 Richard Guenther <rguenther@suse.de>
9681 PR rtl-optimization/26685
9682 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9683 this one "max-flow-memory-locations".
9685 2006-04-27 Richard Guenther <rguenther@suse.de>
9687 PR tree-optimization/25148
9688 * tree-vrp.c (compare_values): Remove code dealing with
9689 comparisons against type min/max value. Honour overflow
9690 and negative constants in code dealing with comparisons
9691 of plus and minus expressions.
9692 (value_inside_range): Use fold_binary with LE_EXPR and
9693 GE_EXPR rather than compare_values.
9695 2006-04-27 Dirk Mueller <dmueller@suse.de>
9697 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9700 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9702 * basic-block.h (safe_insert_insn_on_edge): Removed.
9703 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9705 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9706 Paolo Bonzini <bonzini@gnu.org>
9709 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9710 (simplify_and_const_int): Same.
9712 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9714 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9716 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9719 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9720 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9721 cgraph_global_info_ready.
9724 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9727 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9728 either decl or init is error_mark_node.
9731 * tree-flow.h (struct omp_region): Add sched_kind.
9732 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9733 instead of extracting omp for data.
9734 (expand_omp_for): Save extracted sched_kind.
9736 2006-04-25 Roger Sayle <roger@eyesopen.com>
9738 * expmed.c (store_bit_field): Also check whether the bitsize is
9739 valid for the machine's "insv" instruction before moving the
9740 target into a pseudo for use with the insv.
9741 * config/i386/predicates.md (const8_operand): New predicate.
9742 * config/i386/i386.md (extv, extzv, insv): Use the new
9743 const8_operand predicate where appropriate.
9745 2006-04-25 DJ Delorie <dj@redhat.com>
9747 * doc/install.texi (Specific): Clarify that this is not a list of
9748 supported hosts or targets.
9750 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9752 PR rtl-optimization/26725
9753 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9754 block's BB_DIRTY flag.
9756 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9758 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9761 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9762 to print an integer.
9764 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9766 * varasm.c (align_variable): New function.
9767 (get_block_for_decl): Apply align_variable to DECL before
9768 calculating section information.
9769 (assemble_variable): Split out alignment computation.
9771 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9773 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9776 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9778 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9779 MODE_PARTIAL_INT mode.
9780 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9781 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9783 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9784 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9786 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9788 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9790 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9791 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9792 MACFLAG_IH): Likewise.
9793 (movstricthi_1): Renamed from "*movstricthi".
9794 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9795 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9796 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9797 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9798 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9799 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9800 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9801 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9802 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9803 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9804 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9805 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9806 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9807 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9808 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9810 * doc/rtl.texi (ss_ashift): Improve wording.
9812 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9814 * dwarf2out.c (verify_marks_clear): New.
9815 (prune_unused_types): Call verify_marks_clear initially, not
9818 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9820 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9821 * doc/rtl.texi: Document them.
9822 * simplify-rtx.c (simplify_unary_operation,
9823 simplify_binary_operation_1): Don't abort when we see them.
9825 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9828 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9829 * configure.ac: Completely disregard languages that are not
9831 * configure: Regenerated.
9833 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9834 Richard Guenther <rguenther@suse.de>
9836 PR tree-optimization/27236
9837 * tree-inline.c (copy_body_r): Make sure to copy
9838 TREE_THIS_VOLATILE flag.
9840 2006-04-24 Richard Guenther <rguenther@suse.de>
9843 * tree-complex.c (update_parameter_components): Don't handle
9844 unused parameters which have no default def.
9846 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9847 Richard Guenther <rguenther@suse.de>
9849 PR tree-optimization/27218
9850 * tree-inline.c (expand_call_inline): Strip useless type
9851 conversions for the return slot address.
9853 2006-04-24 Richard Guenther <rguenther@suse.de>
9855 * cfgloop.h (struct loops): Remove unused field array. Reorder
9857 (LOOP_PREFETCH): Remove.
9859 2006-04-24 Richard Guenther <rguenther@suse.de>
9861 PR tree-optimization/22525
9862 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9863 variable, adjust types of generated expressions.
9865 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9867 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9868 (tree-vect-patterns.o): Likewise.
9870 (cselib.o): Likewise.
9871 (loop-doloop.o): Likewise.
9872 (regclass.o): Likewise.
9873 (reload1.o): Likewise.
9874 (explow.o): Replace target.h with $(TARGET_H).
9875 (ipa-prop.o): Likewise.
9876 (ipa-cp.o): Likewise.
9877 (ipa-inline.o): Likewise.
9878 (reorg.o): Likewise.
9879 (reg-stack.o): Likewise.
9881 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9883 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9885 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9887 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9889 * configure.ac: Completely disregard languages that are not
9891 * configure: Regenerated.
9894 * c-common.h (c_build_bitfield_integer_type): Declare.
9895 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9896 * c-common.c (c_build_bitfield_integer_type): ... here.
9898 2006-04-23 Roger Sayle <roger@eyesopen.com>
9901 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9902 a SImode SUBREG of a floating point register after no_new_pseudos.
9904 2006-04-23 Roger Sayle <roger@eyesopen.com>
9906 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9907 identify potentially eliminable registers to additionally catch
9908 VIRTUAL_INCOMING_ARGS_REGNUM.
9909 (addsi3): Update the conditions on when to use addsi_small_int.
9911 2006-04-23 Roger Sayle <roger@eyesopen.com>
9914 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9915 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9916 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9918 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9920 * fold-const.c (range_predecessor): Use operand_equal_p
9921 as the predicate for equality.
9922 (range_successor): Likewise.
9924 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9927 * config/soft-fp/op-common.h: Fix a typo.
9929 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9932 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9933 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9935 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9937 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9939 * doc/tm.texi: Fix a typo.
9941 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9943 * dwarf2out.c (struct die_struct): Document that die_sib makes
9944 a circular linked list.
9945 (FOR_EACH_CHILD): New.
9946 (reverse_die_lists): Delete.
9947 (reverse_all_dies): Delete.
9948 (add_dwarf_attr): Correct documentation.
9949 (remove_child_with_prev): New.
9950 (remove_child_TAG): Update for change to die_struct, use
9951 remove_child_with_prev.
9952 (add_child_die): Update for change to die_struct.
9953 (splice_child_die): Use remove_child_with_prev and add_child_die.
9954 (print_die): Use FOR_EACH_CHILD.
9955 (die_checksum): Likewise.
9956 (assign_symbol_names): Likewise.
9957 (output_location_lists): Likewise.
9958 (build_abbrev_table): Likewise.
9959 (calc_die_sizes): Likewise.
9960 (mark_dies): Likewise.
9961 (unmark_dies): Likewise.
9962 (unmark_all_dies): Likewise.
9963 (output_die): Likewise.
9964 (prune_unused_types_mark): Likewise.
9965 (prune_unused_types_walk): Likewise.
9966 (same_die_p): Update for change to die_struct.
9967 (break_out_includes): Likewise.
9968 (prune_unused_types_prune): Likewise.
9969 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9970 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9972 (dwarf2out_finish): Don't call reverse_all_dies.
9974 2006-04-21 Eric Christopher <echristo@apple.com>
9976 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9977 in comments and function names.
9979 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9982 * c-typeck.c (digest_init): Robustify.
9984 * c-typeck.c (pop_init_level): Simplify.
9986 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9988 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9990 2006-04-21 Paul Brook <paul@codesourcery.com>
9992 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9993 hardware floating point.
9995 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9997 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10000 2006-04-21 Nick Clifton <nickc@redhat.com>
10002 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10005 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10008 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10009 C++ lang type in traceback table for Objective-C++.
10011 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10013 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10015 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10017 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10020 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10021 were errors. Remove check for erroneous objects.
10023 2006-04-20 Jeff Law <law@redhat.com>
10025 PR tree-optimization/26854
10026 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10027 checking for zero or one use.
10028 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10029 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10030 * tree-ssa-reassoc.c (negate_value): Similarly.
10031 (reassociate_bb): Similarly.
10033 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10035 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10036 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10037 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10039 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10041 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10042 fp regs if the last fp arg doesn't fit in regs.
10044 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10047 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10048 that the last insn has the REG_INC note.
10050 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10051 Nathan Sidwell <nathan@codesourcery.com>
10054 * stor-layout.c (update_alignment_for_field): Do not align
10056 (place_union_field): Place union field at the start of the union.
10057 (place_field): Move ERROR_MARK check later, and use the current
10058 allocation position to maintain monotonicity.
10060 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10062 * dominance.c: Include timevar.h.
10063 (calculate_dominance_info): Use TV_DOMINANCE.
10064 * timevar.def (TV_DOMINANCE): New timevar.
10065 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10067 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10069 PR rtl-optimization/14261
10070 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10071 move would be an INSV insn.
10072 (noce_process_if_block): Don't optimize if the destination is a
10073 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10075 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10077 * config/s390/s390.md: Add comments with the instructions emitted
10078 by an insn pattern if macros are used.
10080 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10082 PR rtl-optimization/26026
10083 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10084 is a known power of two shifted left a variable amount.
10086 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10088 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10089 to hash table twice when the debug_str section has SECTION_MERGE.
10091 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10093 * config/soft-fp: New directory. From glibc.
10094 * config/soft-fp/t-softfp: New.
10095 * config/soft-fp/README: New.
10096 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10097 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10098 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10099 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10100 * config.gcc: Use rs6000/t-fprules-fpbit or
10101 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10103 * config/rs6000/sfp-machine.h: New. Based on glibc.
10104 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10106 * config/rs6000/t-fprules: Remove fp-bit rules.
10107 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10108 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10109 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10110 (softfp_wrap_start, softfp_wrap_end): New.
10112 2006-04-18 DJ Delorie <dj@redhat.com>
10114 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10116 2006-04-18 Devang Patel <dpatel@apple.com>
10118 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10120 2006-04-18 Nick Clifton <nickc@redhat.com>
10122 * config/sh/t-symbian: Add rule to build sh-c.o
10123 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10124 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10125 (sh_symbian_encode_section_info): Likewise.
10127 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10129 * builtins.c (expand_builtin_strcmp): Cover label definition of
10130 do_libcall with HAVE_cmpstrnsi.
10132 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10134 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10136 * function.h (temp_slot_p): New.
10137 (function): Change the type of x_used_temp_slots to
10138 VEC(temp_slot_p,gc) *.
10140 2006-04-18 Nick Clifton <nickc@redhat.com>
10142 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10143 flag_strength_reduce.
10145 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10147 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10151 Partial revert of revision 112637
10152 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10153 Dale Johannesen <dalej@apple.com>
10156 * regclass.c (struct reg_pref): Update documentation.
10157 (regclass): Set prefclass to NO_REGS if memory is the best option.
10158 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10160 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10162 PR tree-optimization/26821
10163 * tree-ssa-math-opts.c (get_constant_one): New.
10164 (insert_reciprocals): Use it.
10166 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10168 * dwarf2out.c (free_AT): Delete.
10169 (remove_AT): Update string ref counts.
10170 (remove_child_TAG): Don't call free_die.
10171 (free_die): Delete.
10172 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10173 or DW_TAG_GNU_EINCL.
10174 (prune_unused_types_walk_attribs): Reset string refcounts.
10175 (prune_unused_types_update_strings): New.
10176 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10177 call free_die. Do call prune_unused_types_update_strings.
10178 (prune_unused_types): Empty debug_str_hash.
10180 2006-04-17 Roger Sayle <roger@eyesopen.com>
10182 * expr.c (expand_assignment): Optimize away no-op moves where the
10183 source and destination are equal and have no side-effects.
10185 2006-04-17 Richard Guenther <rguenther@suse.de>
10188 * reload.c (push_reload): Guard calls to get_secondary_mem
10189 for memory subregs.
10191 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10193 * alias.c (reg_base_value, old_reg_base_value): Change the
10194 type to VEC(rtx,gc) *.
10195 (REG_BASE_VALUE, find_base_value, record_set,
10196 init_alias_analysis): Use VEC instead of VARRAY.
10198 * alias.c (alias_sets): Change the type to
10199 VEC(alias_set_entry,gc) *.
10200 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10201 VEC instead of VARRAY.
10202 (last_alias_set): Remove.
10204 * cgraph.h (cgraph_edge_p): New.
10205 Update the prototype of cgraph_function_versioning.
10206 * cgraphunit.c (cgraph_copy_node_for_versioning,
10207 cgraph_function_versioning): Use VEC instead of VARRAY.
10208 * ipa-cp.c (ipcp_insert_stage): Likewise.
10210 2006-04-16 Roger Sayle <roger@eyesopen.com>
10213 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10214 "A op B" or "A op C", we may need to convert A to the type of B and C.
10216 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10218 * target.h (struct gcc_target): Add mode_rep_extended.
10219 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10220 (init_num_sign_bit_copies_in_rep): Initialize it using
10222 (truncate_to_mode): Use it.
10223 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10224 * targhooks.h (default_mode_rep_extended): Declare it.
10225 * targhooks.c (default_mode_rep_extended): Define it.
10226 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10227 default_mode_rep_extended.
10228 (TARGET_INITIALIZER): Include it.
10229 * doc/tm.texi (Misc): Document it.
10230 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10231 (mips_truncated_to_mode): New function.
10233 2006-04-16 Roger Sayle <roger@eyesopen.com>
10235 PR middle-end/25474
10236 * expr.c (compress_float_constant): Copy the narrow constant into
10237 a new pseudo before extending it to its final width.
10239 2006-04-16 Roger Sayle <roger@eyesopen.com>
10240 Andrew Pinski <pinskia@gcc.gnu.org>
10241 Dale Johannesen <dalej@apple.com>
10244 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10245 special case code to implement V8HImode and V16QImode with SSE2.
10247 2006-04-15 Roger Sayle <roger@eyesopen.com>
10249 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10250 trees are constructed with a suitable tree type.
10252 2006-04-15 Roger Sayle <roger@eyesopen.com>
10254 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10255 (integer_onep): Likewise.
10256 (integer_all_onesp): Likewise.
10257 (integer_pow2p): Likewise.
10258 (integer_nonzerop): Likewise.
10259 (real_zerop): Likewise.
10260 (real_onep): Likewise.
10261 (real_twop): Likewise.
10262 (real_minus_onep): Likewise.
10263 (int_size_in_bytes): Likewise.
10264 (host_integerp): Likewise.
10266 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10268 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10269 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10270 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10272 * tree-ssa-structalias.h (alias_info): Remove num_references.
10274 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10276 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10277 (output_bvb patterns): Likewise.
10278 * pa.c (output_bb): Use 'bb' insn for long branch case.
10279 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10280 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10281 1. Correct length operand for alternatives 1 and 2.
10282 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10283 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10285 2006-04-14 Roger Sayle <roger@eyesopen.com>
10287 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10288 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10289 were accidentally reverted by r112959.
10291 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10293 PR middle-end/26823
10294 * except.h (eh_region_outermost): New prototype.
10295 * except.c (eh_region_outermost): New function.
10296 * tree-cfg.c (find_outermost_region_in_block): Use it.
10298 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10300 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10302 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10303 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10304 (init_reload, reload): Use VEC instead of VARRAY.
10305 * reload.h: Update the prototype for
10306 reg_equiv_memory_loc_varray.
10308 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10309 Eric Botcazou <ebotcazou@libertysurf.fr>
10311 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10312 register save area.
10314 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10316 PR middle-end/27134
10317 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10318 to expand fallback builtin function call.
10320 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10322 PR middle-end/27095
10323 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10324 and emit libcall here in case the builtin fails.
10325 (expand_builtin_strcmp): Always emit the libcall here on failure.
10327 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10329 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10330 * flow.c (reg_n_info): Change the type to
10331 VEC(reg_info_p,heap) *.
10332 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10334 * regs.h (reg_info_p): New.
10335 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10336 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10337 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10340 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10342 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10344 * params.h (MAX_SCHED_READY_INSNS): New macro.
10345 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10346 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10347 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10348 the ready list for 1 cycle during the first scheduling pass.
10349 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10351 2006-04-13 Richard Henderson <rth@redhat.com>
10354 * gimple-low.c (lower_omp_directive): Remove dead code.
10355 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10356 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10357 * omp-low.c (struct omp_region): Move to tree-flow.h.
10358 (root_omp_region): Export.
10359 (omp_regions, lookup_omp_region): Remove.
10360 (determine_parallel_type): Update for struct omp_region changes.
10361 (dump_omp_region): Dump regions with block numbers.
10362 (new_omp_region): Take type and block instead of stmt; malloc
10364 (free_omp_region_1, free_omp_regions): New.
10365 (expand_parallel_call): Take entry_stmt as argument; update for
10366 changes to omp_region.
10367 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10368 (remove_exit_barriers): New.
10369 (expand_omp_parallel): Update for struct omp_region changes.
10370 (expand_omp_synch): Likewise.
10371 (expand_omp): Likewise.
10372 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10373 (expand_omp_for_static_chunk): Likewise.
10374 (expand_omp_for): Likewise.
10375 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10376 (expand_omp_sections): Similarly, with GOMP_sections_end.
10377 (expand_omp_single): New.
10378 (build_omp_regions_1): Update for OMP_CONTINUE.
10379 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10380 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10381 OMP_SECTIONS_SECTIONS.
10382 (lower_omp_single_simple): Don't emit barrier here.
10383 (lower_omp_single_copy): Likewise.
10384 (lower_omp_single): Fix bindings, and lower to straightline now.
10385 (lower_omp_master, lower_omp_ordered): Likewise.
10386 (lower_omp_critical): Likewise.
10387 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10388 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10389 omp edges, free it afterward.
10390 (make_omp_sections_edges): Remove.
10391 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10392 (move_stmt_r): Handle OMP_CONTINUE.
10393 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10394 statement pointers to basic blocks. Add type member.
10395 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10396 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10397 * tree-inline.c (estimate_num_insns_1): Likewise.
10398 * tree-pretty-print.c (dump_generic_node): Likewise.
10399 * tree-ssa-operands.c (get_expr_operands): Likewise.
10400 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10401 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10402 (OMP_CONTINUE): New.
10403 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10404 (OMP_SECTIONS_SECTIONS): Remove.
10405 (OMP_SECTION_LAST): New.
10406 (OMP_RETURN_NOWAIT): New.
10408 2006-04-13 Roger Sayle <roger@eyesopen.com>
10410 * fold-const.c (native_encode_vector, native_interpret_real):
10411 Correct obvious mistakes in the previous check-in.
10413 2006-04-13 Roger Sayle <roger@eyesopen.com>
10415 * fold-const.c (native_encode_expr): New function to encode
10416 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10417 or VECTOR_CST into a specified buffer.
10418 (native_encode_int): New function.
10419 (native_encode_real): New function.
10420 (native_encode_complex): New function.
10421 (native_encode_vector): New function.
10422 (native_interpret_expr): Inverse of native_encode_expr to convert
10423 a target representation into an INTEGER_CST, REAL_CST etc...
10424 (native_interpret_int): New function.
10425 (native_interpret_real): New function.
10426 (native_interpret_complex): New function.
10427 (native_interpret_vector): New function.
10428 (fold_view_convert_expr): New function to constant fold/evaluate
10429 a VIEW_CONVERT_EXPR of a suitable constant expression.
10430 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10431 Change call of build1 to fold_build1 when constructing a
10434 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10435 Ulrich Weigand <uweigand@de.ibm.com>
10438 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10441 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10444 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10445 optimize to lo_sum for DFmode if !TARGET_FPRS.
10447 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10449 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10450 delete_alias_info, compute_flow_sensitive_aliasing,
10451 group_aliases): Use VEC instead of VARRAY.
10452 * tree-ssa-structalias.c (update_alias_info): Likewise.
10453 * tree-ssa-structalias.h (alias_info): Change the type of
10454 processed_ptrs to VEC(tree,heap) *.
10456 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10459 * config/sh/lib1funcs.h: New file, broken out of:
10460 * config/sh/lib1funcs.asm.
10461 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10463 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10464 * config/sh/lib1funcs-Os-4-200.asm: New file.
10465 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10466 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10467 (EXTRA_MULTILIB_PARTS): Include it.
10468 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10469 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10470 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10471 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10474 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10476 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10477 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10478 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10480 * tree-ssa-live.h: Include vecprim.h.
10481 (tree_partition_associator_d): Change the type of
10482 first_partition to VEC(int,heap) *.
10483 (tpa_first_partition): Use VEC instead of VARRAY.
10485 * Makefile.in (GTFILES): Move functions.h after tree.h.
10486 * function.c (reset_block_changes, record_block_change,
10487 check_block_change, free_block_changes): Use VEC instead of
10489 * function.h (function): Change the type of
10490 ib_boundaries_block to VEC(tree,gc) *.
10491 * tree-inline.c (copy_cfg_body): Initialize
10492 ib_boundaries_block to NULL instead of (varray_type) 0.
10494 2006-04-12 Roger Sayle <roger@eyesopen.com>
10496 * expr.c (emit_group_store): Correct operand order in call to
10497 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10498 a SUBREG_BYTE of zero.
10500 2006-04-12 Richard Guenther <rguenther@suse.de>
10502 * profile.c (compute_branch_probabilities): Remove code
10503 encapsulated in !ir_type (), which are remanents of the
10504 removed RTL profiling code.
10505 * rtl-profile.c: Remove.
10507 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10509 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10510 magic NULL_RTX comment.
10511 (function_arg): Store entire fp arg to mem if any part should go
10513 (rs6000_arg_partial_bytes): Adjust for above change.
10515 2006-04-11 Roger Sayle <roger@eyesopen.com>
10517 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10518 if it hasn't been initialized by dwarf2out_init.
10520 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10522 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10523 symbolic constants in branch patterns.
10525 2006-04-11 Roger Sayle <roger@eyesopen.com>
10527 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10529 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10531 PR rtl-optimization/27073
10532 * gcse.c (try_replace_reg): Revert last change. Continue to search
10533 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10536 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10538 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10539 aggregate types other than record and union types.
10540 (function_arg): Likewise.
10541 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10543 (function_value): In 64-bit mode, return objects that require it
10546 2006-04-11 Roger Sayle <roger@eyesopen.com>
10548 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10550 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10552 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10554 2006-04-03 Jeff Law <law@redhat.com>
10557 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10558 alias information too.
10560 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10562 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10564 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10567 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10568 (premark_used_types_helper): New.
10569 (premark_used_types): New.
10570 (gen_subprogram_die): Call premark_used_types.
10571 (prune_unused_types_walk): Do not prune perennial dies.
10572 * function.c (used_types_insert): New.
10573 * function.h (struct function): Add used_types_hash field.
10574 (used_types_insert): Add prototype.
10575 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10576 * c-parser.c (c_parser_cast_expression): Save casted types in used
10579 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10582 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10583 rs6000_explicit_options.float_gprs.
10585 2006-04-10 Roger Sayle <roger@eyesopen.com>
10587 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10588 from ix86_expand_vector_init_low_nonzero. Take an additional
10589 one_var argument indicating which element is non-zero. Support
10590 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10591 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10592 with one_var instead of ix86_expand_vector_init_low_nonzero.
10594 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10596 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10597 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10598 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10599 build/genextract.o): Depend on vecprim.h.
10600 * cfglayout.c, df-problems.c, function.c, genextract.c,
10601 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10602 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10606 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10608 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10609 Declare VECs of this type.
10610 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10611 (remove_children): Delete.
10612 (add_dwarf_attr): Use VEC routines.
10613 (add_AT_flag): Update for changes to add_dwarf_attr.
10614 (add_AT_int): Likewise.
10615 (add_AT_unsigned): Likewise.
10616 (add_AT_long_long): Likewise.
10617 (add_AT_vec): Likewise.
10618 (add_AT_string): Likewise.
10619 (add_AT_die_ref): Likewise.
10620 (add_AT_fde_ref): Likewise.
10621 (add_AT_loc): Likewise.
10622 (add_AT_loc_list): Likewise.
10623 (add_AT_addr): Likewise.
10624 (add_AT_lbl_id): Likewise.
10625 (add_AT_lineptr): Likewise.
10626 (add_AT_macptr): Likewise.
10627 (add_AT_offset): Likewise.
10628 (add_AT_range_list): Likewise.
10629 (get_AT): Use VEC_iterate.
10630 (remove_AT): Use VEC_ordered_remove.
10631 (free_die): Fold remove_children into here; have it use VEC_iterate.
10632 (print_die): Use VEC_iterate on attrs.
10633 (reverse_die_lists): Don't reverse attr lists.
10634 (die_checksum): Use VEC_iterate on attrs.
10635 (same_die_p): Likewise.
10636 (output_location_lists): Likewise.
10637 (build_abbrev_table): Likewise.
10638 (size_of_die): Likewise.
10639 (unmark_all_dies): Likewise.
10640 (output_abbrev_section): Likewise.
10641 (output_die): Likewise.
10642 (prune_unused_types_walk_attribs): Likewise.
10644 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10646 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10648 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10651 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10653 2006-04-09 Roger Sayle <roger@eyesopen.com>
10655 * expr.c (store_constructor): Don't bother clearing target if
10656 we're about to assign a vector to it using vec_init_optab.
10658 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10660 * tree-ssa-alias.c (lhs_may_store_to): New function.
10661 (recalculate_used_alone): Handle LHS of calls.
10663 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10667 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10668 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10669 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10670 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10671 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10672 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10673 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10674 stubs. Add ".align 8" directives before all ".dword" directives.
10675 (GTHREAD_USE_WEAK): Revise comment.
10676 (TARGET_ATTRIBUTE_WEAK): Define.
10677 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10678 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10679 * stublib.c: New file.
10684 * pa.md (cbranch patterns): Revise arguments used in calls to
10685 output_cbranch, output_bb and output_bvd. Add long branch length
10687 (fbranch patterns): Handle long branches.
10688 (jump): Revise length check. Revise arguments for output_lbranch call.
10689 Add long branch length attributes.
10690 (decrement_and_branch_until_zero): Add long branch length attributes.
10691 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10692 Likewise. Revise arguments for output_parallel_addb and
10693 output_parallel_movb calls.
10694 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10695 output_parallel_movb and output_parallel_addb): Update prototypes.
10696 * pa.c (output_cbranch): Revise arguments. Correct handling of
10697 nullification in long branches.
10698 (output_lbranch): Add new argument to control extraction of delay
10700 (output_bb): Handle long branches.
10701 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10702 output_parallel_addb): Likewise.
10704 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10706 PR rtl-optimization/27073
10707 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10710 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10712 * tree.h (tree_memory_tag): Add old_used_alone.
10713 (SMT_OLD_USED_ALONE): New macro.
10714 * tree-ssa-alias.c (recalculate_used_alone): Stop
10715 marking things for renaming unnecessarily.
10717 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10719 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10720 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10721 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10722 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10723 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10724 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10725 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10726 spelling convensions.
10727 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10728 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10729 typos. Follow spelling conventions.
10731 2006-04-07 DJ Delorie <dj@redhat.com>
10733 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10734 passed on the stack.
10735 (m32c_init_cumulative_args): When a function returns a structure,
10736 always pass the pointer to that return area on the stack.
10737 (m32c_function_arg_advance): Don't increment the parameter number
10738 if we're processing the returned structure pointer.
10739 (pushm_info): Reverse order of registers.
10741 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10743 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10744 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10745 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10746 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10747 build_int_cst_type.
10748 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10749 chrec_fold_multiply): Same.
10750 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10751 force_expr_to_var_cost): Same.
10752 * tree-mudflap.c (mf_xform_derefs_1): Same.
10753 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10755 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10757 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10758 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10761 2006-04-07 Jan Hubicka <jh@suse.cz>
10763 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10765 2006-04-07 Richard Guenther <rguenther@suse.de>
10767 PR tree-optimization/26135
10768 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10769 loads for store copy-prop.
10770 (copy_prop_visit_stmt): Likewise.
10772 2006-04-05 Robert Millan <robertmh@gnu.org>
10774 * config/i386/linux.h: Add a comment to mark macros that are
10775 being overriden in config/k*bsd-gnu.h.
10776 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10778 * config/knetbsd-gnu.h: Ditto.
10780 2006-04-06 Jan Hubicka <jh@suse.cz>
10784 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10787 2006-04-06 Mike Stump <mrs@apple.com>
10789 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10790 for HAVE_nonlocal_goto to be consistent.
10791 (expand_builtin_nonlocal_goto): Likewise.
10792 (expand_builtin_strcmp): Use #ifdef instead of #if
10793 for HAVE_cmpstrnsi to be consistent.
10795 2006-04-05 DJ Delorie <dj@redhat.com>
10797 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10800 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10802 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10803 got-relative addressing for anything but SImode.
10805 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10806 even if the calling function doesn't modify them.
10808 2006-04-05 Richard Guenther <rguenther@suse.de>
10810 PR tree-optimization/26919
10811 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10812 to cgraph_estimate_size_after_inlining.
10814 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10816 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10818 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10820 PR tree-optimization/26996
10821 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10822 VECTOR_TYPE variables.
10824 2006-04-05 Richard Guenther <rguenther@suse.de>
10826 PR tree-optimization/26763
10827 * fold-const.c (fold_comparison): Move folding of
10828 PTR + CST CMP PTR + CST ...
10829 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10831 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10833 * doc/install.texi (Prerequisites): Refine some wording on
10834 bootstrapping and ksh.
10835 Move the version numbers of DejaGnu here from the testing section
10836 and fix casing of names.
10837 Fix markup and clarify wording for autogen requirements.
10838 Refer to GCJ instead of just java.
10839 Refer to SVN instead of CVS.
10840 Describe diffutils as useful instead of necessary.
10841 (Downloading the source): Refer to SVN instead of CVS.
10842 Adjust a link to our web site accordingly.
10843 (Configuration): Fix casing of Bison.
10844 (Building): Refer to SVN instead of CVS.
10845 Fix a sentence on the use of Bison and remove duplicate (and
10846 incorrect) version number of Bison requirement.
10847 Remove one redundant list of packages needed for building.
10848 (Specific): Avoid reference to CVS.
10850 2006-04-04 Eric Christopher <echristo@apple.com>
10852 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10853 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10854 (rs6000_handle_struct_attribute): New.
10855 (rs6000_ms_bitfield_layout_p): Ditto.
10857 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10859 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10860 NULL for dso parameter to atexit_common.
10862 2006-04-04 Eric Christopher <echristo@apple.com>
10864 * config/i386/i386.c (machopic_output_stub): Output \t
10865 between instructions and operands.
10867 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10869 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10870 satisfies_constraint_[IL] to explicit tests on value.
10872 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10874 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10875 set_nb_iterations_in_loop): Use build_int_cst instead of
10876 build_int_cst_type.
10877 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10878 build_int_cst instead of convert.
10880 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10882 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10883 new value 2 for incoming.
10884 * function.c (expand_function_start): Call struct_value_rtx
10885 with incoming as 2.
10886 * config/sparc/sparc.md: Comment updated_return.
10887 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10888 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10889 struct return if sparc_std_struct_return and incoming is 2.
10890 (print_operand): Do not adjust return if
10891 sparc_std_struct_return.
10893 2006-04-04 Roger Sayle <roger@eyesopen.com>
10895 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10896 convert in the middle-end.
10897 * expr.c (store_expr, store_constructor, get_inner_reference,
10898 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10900 * tree.c (build_range_type): Likewise.
10902 2006-04-04 Tom Tromey <tromey@redhat.com>
10904 * doc/install.texi (Prerequisites): Mention jar.
10906 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10908 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10911 2006-04-04 Matthias Klose <doko@debian.org>
10913 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10917 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10920 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10922 * doc/extend.texi (Function Attributes): Rewrite visibility
10923 attribute documentation.
10924 * doc/invoke.texi (C++ Dialect Options): Rewrite
10925 -fvisibility-inlines-hidden documentation to describe something
10926 entirely different, although in practise compatible.
10927 (Code Gen Options): Warn about system headers in -fvisibility=
10930 * doc/extend.texi (Other Builtins): Document that
10931 __builtin_nan is a compile-time constant only when its argument
10934 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10936 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10937 trying to remove TRUNCATE check if all bits outside the new mode
10938 are identical to the sign bit.
10940 2006-04-03 Jeff Law <law@redhat.com>
10942 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10943 and operand scanning in some common cases.
10945 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10946 Dale Johannesen <dalej@apple.com>
10949 * regclass.c (struct reg_pref): Update documentation.
10950 (regclass): Set prefclass to NO_REGS if memory is the best option.
10951 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10952 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10953 into account. For non-registers, equate an empty preferred
10954 reload class to a `!' in the constraint; move the if clause to
10955 do so after those that reject the insn.
10956 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10958 (find_dummy_reload): Likewise.
10959 * doc/tm.texi (Register Classes): Document what it means
10960 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10961 * config/i386/i386.c (ix86_preferred_reload_class): Force
10962 using SSE registers (and return NO_REGS for floating-point
10963 constants) if math is done with SSE.
10964 (ix86_preferred_output_reload_class): New.
10965 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10966 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10967 * config/i386/i386.md: Remove # register preferences.
10969 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10972 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10973 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10974 the type of nb_iter.
10975 (instantiate_parameters_1): Convert the operands before calling
10976 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10977 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10979 2006-04-02 Roger Sayle <roger@eyesopen.com>
10981 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10982 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10983 instead of convert.
10984 * dojump.c (do_jump): Likewise.
10985 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10986 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10987 gimplify_boolean_expr): Likewise.
10988 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10989 * varasm.c (array_size_for_constructor): Likewise.
10990 * tree-object-size.c (compute_object_offset): Likewise.
10992 2006-04-02 Roger Sayle <roger@eyesopen.com>
10994 PR middle-end/26977
10995 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10996 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10998 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11000 PR tree-optimization/26939
11001 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11003 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11005 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11006 at_stmt. Convert the type of operands before calling
11007 build_polynomial_chrec.
11008 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11009 add_to_evolution_1.
11010 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11011 (instantiate_parameters_1): Convert the type of operands before calling
11012 build_polynomial_chrec.
11013 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11014 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11015 reset_evolution_in_loop): Insert asserts to check the types of the
11017 (chrec_type): Moved...
11018 (eq_evolutions_p): Use operand_equal_p.
11019 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11020 the types of the operands.
11021 (chrec_type): ...here.
11022 * tree-data-ref.c (create_data_ref): Convert the operands before
11023 calling chrec_replace_initial_condition.
11024 (same_access_functions, analyze_subscript_affine_affine,
11025 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11026 (compute_subscript_distance, analyze_ziv_subscript,
11027 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11028 analyze_miv_subscript): Convert the operands before calling
11029 chrec_fold_minus or chrec_fold_plus.
11031 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11033 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11034 the dependence_relations vector.
11035 (compute_data_dependences_for_loop): Adjust call to
11036 compute_all_dependences.
11038 2006-04-01 Roger Sayle <roger@eyesopen.com>
11039 Richard Henderson <rth@redhat.com>
11041 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11042 gimple_boolify on the condition before calling gimplify_expr.
11044 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11046 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11047 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11048 the frame size. Update to use the new macros.
11049 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11050 * config/xtensa/ieee754-df.S: Likewise.
11052 2006-03-31 Richard Henderson <rth@redhat.com>
11054 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11055 (make_edges): ... here. Control fallthru creation with a local
11056 variable. Do not play with fake edges.
11057 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11058 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11061 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11063 * dwarf2.h (DW64_CIE_ID): Define.
11064 * dwarf2out.c (DWARF_CIE_ID): Define.
11065 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11066 length header. Use DWARF_CIE_ID.
11067 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11068 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11070 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11072 * config/sh/linux-atomic.asm: New file.
11073 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11075 2006-03-31 DJ Delorie <dj@redhat.com>
11077 * config/m32c/cond.md: Set condition flags properly throughout.
11078 * config/m32c/minmax.md: Likewise.
11079 * config/m32c/prologue.md: Likewise.
11080 * config/m32c/bitops.md: Likewise.
11081 * config/m32c/muldiv.md: Likewise.
11082 * config/m32c/mov.md: Likewise.
11083 * config/m32c/addsub.md: Likewise.
11084 * config/m32c/m32c.md: Likewise.
11085 * config/m32c/jump.md: Likewise.
11086 * config/m32c/shift.md: Likewise.
11088 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11089 conditionally output the pattern for this.
11090 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11091 (m32c_compare_redundant): New.
11092 (m32c_output_compare): New.
11093 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11095 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11096 dest, not src. Allow other 4-byte modes.
11098 2006-03-30 Denis Chertykov <denisc@overta.ru>
11100 * doc/md.texi: Refer to avr/constraints.md instead of
11103 2006-03-30 Roger Sayle <roger@eyesopen.com>
11105 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11106 signed vs. unsigned comparison failures on some hosts.
11108 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11111 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11112 change to FLOAT_REGS.
11114 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11115 (rs6000_override_options): Use it.
11116 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11117 only for -mabi=spe/no-spe and -mabi=altivec.
11119 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11121 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11124 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11126 * Makefile.in: Rename docdir to gcc_docdir.
11128 2006-03-30 Roger Sayle <roger@eyesopen.com>
11131 * expr.c (emit_group_store): Optimize group stores into a pseudo
11132 register by using a paradoxical subreg to initialize the destination
11133 if the first or last member of the group specifies a "low part".
11135 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11138 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11139 * target.h (struct gcc_target.speculate_insn): Change type of the
11140 second parameter to 'int'.
11141 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11142 the second operand of the DEPS_LIST.
11143 (copy_DEPS_LIST_list): Update reference to the second operand of the
11145 * rtl.h (alloc_DEPS_LIST): Update signature.
11146 * sched-int.h (ds_t): Change typedef to 'int'.
11147 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11149 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11151 * haifa-sched.c (try_ready): Change condition to restore
11152 non-speculative pattern of the instruction.
11153 (process_insn_depend_be_in_spec): Code to keep probability of the
11154 speculative dependence non-decreasing.
11156 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11158 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11159 (single_move_for_movmem): ... this. Also change all uses.
11160 (bfin_expand_strmov): Renamed to...
11161 (bfin_expand_movmem): ... this. Also change all uses.
11162 * config/bfin/bfin.md (movstrsi): Renamed to...
11163 (movstrsi): ...this.
11165 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11167 PR tree-optimization/26830
11169 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11170 (copy_prop_visit_stmt): Remove write-only variable ann.
11171 (init_copy_prop): Check variable loop depth here. Do not simulate
11172 memory-tag and virtual operand PHIs except for store copy prop.
11174 2006-03-30 Richard Guenther <rguenther@suse.de>
11176 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11177 variants with double arguments.
11179 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11181 * genpreds.c (write_tm_constrs_h): Delete variable p.
11182 * genconditions.c (write_header): Add tm-constrs.h to included
11184 * genpeep.c (main): Add toplev.h to included headers.
11185 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11186 (build/genpeep.o): Add toplev.h dependency.
11187 * config/rs6000/constraints.md: Add "W" constraint.
11189 2006-03-29 Roger Sayle <roger@eyesopen.com>
11191 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11192 sizes by correctly testing whether the size fits a host integer.
11193 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11194 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11195 SImode range for the default sizetype and bitsizetype.
11197 2006-03-29 Roger Sayle <roger@eyesopen.com>
11199 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11200 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11201 quickly if the argument is already of the correct type.
11202 Call fold_build1 instead of build1. Tidy up blank lines.
11204 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11206 * genemit.c (main): Add tm-constrs.h to included headers.
11207 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11208 * genpeep.c (main): Add tm-constrs.h to included headers.
11209 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11210 (write_tm_constrs_h): this and write complete file.
11211 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11212 (write_insn_preds_c): Add tm-constrs.h to included headers.
11213 (gen_constrs): New variable.
11214 (parse_option): Parse "-c".
11215 (main): Invoke write_tm_constrs_h.
11216 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11217 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11218 (object_out_file): Add tm-constrs.h dependency.
11219 (insn-emit.o): Same.
11220 (insn-output.o): Same.
11221 (insn-peep.o): Same.
11222 (insn-preds.o): Same.
11223 (insn-recog.o): Same.
11224 (tm-constsr.h): New target.
11225 (s-constrs-h): New target.
11227 * config/rs6000/constraints.md: New file.
11228 * config/rs6000/rs6000.c: Include tm-constrs.h.
11229 (num_insn_constant_wide): Convert to satisfies_constraint.
11230 (rs6000_rtx_costs): Convert to satisfies_constraint.
11231 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11232 (CONST_OK_FOR_LETTER_P): Delete.
11233 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11234 (EXTRA_CONSTRAINT): Delete.
11235 (EXTRA_MEMORY_CONSTRAINT): Delete.
11236 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11237 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11238 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11239 satisfies_constraint.
11241 * config/i386/i386.c: Include tm-constrs.h.
11243 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11245 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11246 * tree-data-ref.c (find_data_references_in_loop,
11247 compute_data_dependences_for_loop): Use pointers to VEC.
11248 (analyze_all_data_dependences): Adjust calls.
11249 * tree-data-ref.h (find_data_references_in_loop,
11250 compute_data_dependences_for_loop): Adjust declarations.
11251 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11252 compute_data_dependences_for_loop.
11254 2006-03-29 Paul Brook <paul@codesourcery.com>
11256 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11257 (movdf_vfp): Ditto.
11259 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11261 PR tree-optimization/26859
11262 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11264 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11265 for the step after fold_convert.
11267 2006-03-29 Paul Brook <paul@codesourcery.com>
11269 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11270 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11272 2006-03-29 Paul Brook <paul@codesourcery.com>
11274 PR middle-end/23623
11275 * targhooks.c (default_narrow_bitfield): New fuction.
11276 * targhooks.h (default_narrow_bitfield): add prototype.
11277 * target.h (gcc_target): Add narrow_volatile_bitfield.
11278 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11279 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11280 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11281 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11283 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11285 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11287 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11288 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11289 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11290 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11291 (s390_function_arg_float): Allow SDmode and DDmode values to be
11292 passed in floating point registers.
11293 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11294 check with SCALAR_FLOAT_MODE_P.
11295 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11297 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11299 PR tree-optimization/25985
11300 * tree-ssa-loop-niter.c (number_of_iterations_le,
11301 number_of_iterations_ne): Make comments more precise.
11302 (number_of_iterations_cond): Add only_exit argument. Use the
11303 fact that signed variables do not overflow only when only_exit
11305 (loop_only_exit_p): New.
11306 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11307 number_of_iterations_cond.
11309 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11311 PR tree-optimization/26643
11312 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11315 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11317 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11318 (divsi3_i4_int): Likewise.
11320 2006-03-28 Roger Sayle <roger@eyesopen.com>
11322 * expr.c (emit_group_store): Only create a new pseudo reg if the
11323 quantity it needs to hold isn't already a suitable pseudo.
11325 2006-03-28 Jeff Law <law@redhat.com>
11327 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11328 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11330 2006-03-28 Roger Sayle <roger@eyesopen.com>
11332 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11333 the equivalent ~X & Y, and the symmetry related transformations.
11334 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11335 ~X & Y, and symmetry related transforms.
11337 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11339 Revert my 2006-03-27 patches.
11341 2006-03-28 Roger Sayle <roger@eyesopen.com>
11343 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11344 ~(T1)X, when T1 and T2 are integer types of the same precision
11345 and (T2)X isn't an extension.
11347 2006-03-28 Jeff Law <law@redhat.com>
11349 PR tree-optimization/26796
11350 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11351 need EH edge cleanups rather than purging them immediately.
11352 (eliminate_degenerate_phis): Handle queued EH cleanups.
11354 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11356 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11359 2006-03-27 Roger Sayle <roger@eyesopen.com>
11361 PR middle-end/22524
11362 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11363 cast BIT_NOT_EXPR operand to the correct type.
11365 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11367 * tree-loop-linear.c: Don't include varray.h.
11368 (gather_interchange_stats, try_interchange_loops,
11369 linear_transform_loops): Use VEC instead of VARRAY.
11370 * lambda-mat.c: Don't include varray.h.
11371 * tree-chrec.c: Same.
11372 * lambda-trans.c: Same.
11373 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11374 VEC instead of VARRAY.
11375 * tree-vectorizer.h: Idem.
11376 * tree-data-ref.c (dump_data_references,
11377 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11378 initialize_data_dependence_relation, finalize_ddr_dependent,
11379 compute_all_dependences, find_data_references_in_loop,
11380 compute_data_dependences_for_loop, analyze_all_data_dependences,
11381 free_dependence_relation, free_dependence_relations,
11382 free_data_refs): Idem.
11383 * tree-data-ref.h (data_reference_p, subscript_p): New.
11384 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11385 VEC instead of VARRAY.
11386 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11387 (find_data_references_in_loop, compute_data_dependences_for_loop,
11388 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11389 dump_data_dependence_relations, free_dependence_relations,
11390 free_data_refs): Adjust declaration.
11391 (lambda_transform_legal_p): Move declaration here...
11392 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11393 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11394 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11395 vect_analyze_data_refs): Use VEC instead of VARRAY.
11396 * lambda.h (lambda_transform_legal_p): ...from here.
11397 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11398 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11399 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11400 tree-chrec.o): Don't depend on VARRAY_H.
11402 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11404 * rtl.def (Copyright): Update date.
11405 (DEPS_LIST): Change type of the second operand to 'int'.
11406 * target.h (Copyright): Update date.
11407 (struct gcc_target.speculate_insn): Change type of the second parameter
11409 * lists.c (Copyright): Update date.
11410 (alloc_DEPS_LIST): Change signature. Update reference to the second
11411 operand of the DEPS_LIST.
11412 (copy_DEPS_LIST_list): Update reference to the second operand of the
11414 * rtl.h (Copyright): Update date.
11415 (alloc_DEPS_LIST): Update signature.
11416 * sched-int.h (Copyright): Update date.
11417 (ds_t): Change typedef to 'int'.
11418 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11420 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11422 * haifa-sched.c (Copyright): Update date.
11423 (try_ready): Change condition to restore non-speculative pattern
11424 of the instruction.
11425 (process_insn_depend_be_in_spec): Code to keep probability of the
11426 speculative dependence non-decreasing.
11428 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11430 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11431 shut up the compiler.
11433 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11435 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11436 to use lib prefix for target.
11437 ($(T)libic_invalidate_array_4-200.a): Likewise.
11438 ($(T)libic_invalidate_array_4a.a): Likewise.
11440 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11441 J"orn Rennecke <joern.rennecke@st.com>
11443 * superh.opt: New file.
11444 * sh.c (boardtype, osruntime): Remove.
11445 * superh.h (SUBTARGET_OPTIONS): Remove.
11446 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11448 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11449 arguments with ^ and/or [].
11451 * config.gcc (sh-*-*): Add quoting to account for quirk of
11453 Replace == with = in enable_incomplete_targets test.
11455 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11456 with MASK_LITTLE_ENDIAN.
11458 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11459 * config/sh/sh.opt: Added to some comments.
11460 * config/sh/superh.h: Removed some chaff.
11462 * config/sh/sh.opt: Add m4-[1234]00* options.
11463 * config/sh/sh.c (sh_handle_option): Likewise.
11464 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11465 (ic_invalidate_array_4-100.o): New rule.
11466 ($(T)libic_invalidate_array_4-100.a): Likewise.
11467 (ic_invalidate_array_4-200.o): Likewise.
11468 ($(T)libic_invalidate_array_4-200.a): Likewise.
11469 (ic_invalidate_array_4a.o): Likewise.
11470 ($(T)libic_invalidate_array_4a.a): Likewise.
11471 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11472 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11474 * config/sh/crt1.asm: Merged in profiling code.
11475 * config/sh/superh.h (STARTFILE_SPEC): Override.
11476 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11477 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11478 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11480 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11481 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11482 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11484 * sh.opt (mpretend-cmove): New option.
11485 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11486 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11487 (movsicc): Add TARGET_PRETEND_CMOVE code.
11489 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11491 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11492 s390_class_max_nregs): New function prototypes.
11493 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11494 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11495 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11496 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11498 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11500 * dwarf2out.c (add_location_or_const_value_attribute): Call
11501 tree_add_const_value_attribute if nothing else works.
11502 (reference_to_unused): New.
11503 (rtl_for_decl_init): Use reference_to_unused to decide whether
11504 to output an initializer.
11506 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11509 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11510 peephole removing spe frob_di_df_2.
11512 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11514 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11515 (subscript_dependence_tester_1): Declared.
11516 (print_dir_vectors, print_dist_vectors): New.
11517 (debug_data_dependence_relation): New.
11518 (dump_data_dependence_relation): Print more details.
11519 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11520 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11521 (save_dist_v, save_dir_v, add_outer_distances,
11522 build_classic_dist_vector_1): New.
11523 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11524 Don't test for lambda_vector_lexico_pos.
11525 (same_access_functions, add_multivariate_self_dist,
11526 add_other_self_distances, dir_from_dist): New.
11527 (build_classic_dir_vector): Replace implementation almost identical to
11528 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11530 (subscript_dependence_tester_1): New.
11531 (subscript_dependence_tester): Handle the lexicographically negative
11532 distance vectors by recomputing the dependence relation.
11533 (compute_affine_dependence): Remove parameter loop_nest_depth.
11534 (compute_self_dependence): Don't call compute_subscript_distance.
11535 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11536 Add a parameter for the loop_nest.
11537 (find_loop_nest_1, find_loop_nest): New.
11538 (compute_data_dependences_for_loop): Compute the loop nest, and give
11539 up if the nest is not well formed.
11540 * tree-data-ref.h (loop_p): New.
11541 (struct data_dependence_relation): Replace size_vect field with
11542 loop_nest, a vec of loops.
11543 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11544 (DDR_LOOP_NEST): New.
11545 (print_dir_vectors, print_dist_vectors,
11546 debug_data_dependence_relation): Declared.
11547 (index_in_loop_nest): New.
11548 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11549 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11552 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11554 * simplify-rtx.c (simplify_relational_operation): Call
11555 simplify_relational_operation_1 even if mode is VOIDmode.
11557 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11559 PR tree-optimization/26804
11560 * tree.h (DECL_CALL_CLOBBERED): New macro.
11561 (tree_decl_common): Add call_clobbered_flag.
11562 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11563 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11564 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11565 (mark_non_addressable): Ditto.
11566 * tree-ssa.c (verify_call_clobbered): New function.
11567 (verify_alias_info): Use it.
11568 * tree-pass.h (pass_reset_cc_flags): New prototype.
11569 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11570 (reset_cc_flags): New function.
11571 * passes.c (init_optimization_passes): Call reset_cc_flags after
11572 initializing referenced_vars.
11574 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11575 Roger Sayle <roger@eyesopen.com>
11577 PR middle-end/26717
11578 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11579 to 1.0 for non-real operands. Implement A / A optimization for
11582 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11584 * config/i386/i386.c (size_cost): Correct the comment for
11585 cost of storing fp registers.
11586 (i386_cost): Likewise.
11587 (i486_cost): Likewise.
11588 (pentium_cost): Likewise.
11589 (pentiumpro_cost): Likewise.
11590 (k6_cost): Likewise.
11591 (athlon_cost): Likewise.
11592 (k8_cost): Likewise.
11593 (pentium4_cost): Likewise.
11594 (nocona_cost): Likewise.
11595 (generic64_cost): Likewise.
11596 (generic32_cost): Likewise.
11598 2006-03-24 Denis Chertykov <denisc@overta.ru>
11600 * config/avr/avr-protos.h (extra_constraint): Delete.
11601 (extra_constraint_Q): New declaration.
11602 * config/avr/constraints.md: New file.
11603 * config/avr/avr.md: Include it.
11604 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11605 (TMP_REGNO, ZERO_REGNO): Likewise.
11606 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11607 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11608 (extra_constraint): Delete.
11609 (extra_constraint_Q): Test for memory constraint 'Q'.
11610 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11611 (REG_CLASS_FROM_LETTER): Delete.
11612 (CONST_OK_FOR_LETTER_P): Delete.
11613 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11614 (EXTRA_CONSTRAINT): Delete.
11615 (TMP_REGNO): Delete.
11616 (ZERO_REGNO): Delete.
11618 2006-03-24 Jeff Law <law@redhat.com>
11620 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11621 directly. Call mark_new_vars_to_rename slightly earlier.
11623 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11625 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11626 (is_cxx): Likewise.
11627 (gen_compile_unit_die): Use new language types for Objective-C and
11629 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11630 DW_LANG_C_plus_plus.
11633 * config/t-darwin (crt3.o): Work around bug 26840.
11634 * config/darwin-crt3.c: Rewrite.
11635 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11637 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11639 * doc/invoke.texi: Document -femit-class-debug-always
11640 * common.opt: Add -femit-class-debug-always.
11642 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11644 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11645 index and base register.
11646 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11647 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11648 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11649 REGNO_OK_FOR_INDEX_P.
11650 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11652 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11653 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11654 REG_OK_FOR_BASE_P): Definitions removed.
11656 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11658 PR middle-end/26611
11659 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11660 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11661 set yet or weren't marked as local yet.
11663 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11665 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11668 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11670 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11671 (rs6000_legitimate_small_data_p): Delete.
11672 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11673 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11674 and make static. Add forward declaration. Update uses.
11675 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11676 of offsettable_memref_p.
11677 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11678 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11680 2006-03-24 Jeff Law <law@redhat.com>
11682 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11683 around bug in immediate-use iterator.
11685 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11688 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11689 or __LITTLE_ENDIAN__.
11691 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11693 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11694 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11695 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11696 * config/sh/sh.opt (mdiv=): Amend description.
11697 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11698 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11699 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11700 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11701 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11702 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11703 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11704 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11705 TARGET_DIVIDE_CALL_FP.
11707 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11709 * haifa-sched.c (choose_ready): Fix type of the local variable.
11710 Move local variables. Add comment.
11711 (check_reg_live): Change signature. Make callable from debugger.
11712 * sched-int.h (check_reg_live): Update signature.
11713 * sched-ebb.c (check_reg_live): Update parameters.
11714 * sched-rgn.c (check_reg_live): Ditto.
11715 (region_head_or_leaf_p): Check pointer before dereferencing.
11716 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11717 before reload on optimization levels below 1.
11719 2006-03-23 Richard Henderson <rth@redhat.com>
11721 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11725 * config/alpha/predicates.md (local_symbolic_operand): Reject
11728 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11731 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11732 expressions which have overflowed constants.
11734 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11736 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11738 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11740 * cfgloopmanip.c (create_loop_notes): Removed.
11741 * final.c (final_scan_insn): Do not handle loop notes.
11742 * jump.c (squeeze_notes): Ditto.
11743 * cfglayout.c (skip_insns_after_block,
11744 duplicate_insn_chain): Ditto.
11745 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11747 * cfgloop.h (create_loop_notes): Declaration removed.
11749 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11751 * varasm.c (output_constant_pool): Restore fnname and fndecl
11753 (assemble_start_function): Adjust call accordingly.
11754 (assemble_end_function): Likewise.
11756 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11759 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11762 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11764 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11767 * system.h (ICE_EXIT_CODE): New macro.
11768 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11769 (diagnostic_action_after_output): Likewise.
11770 * gcc.c (fatal_ice): New function.
11771 (execute): Use it instead of fatal.
11772 (fancy_abort): Likewise.
11773 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11775 2006-03-22 Jeff Law <law@redhat.com>
11777 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11778 iv_analyze_result returning false.
11780 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11782 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11784 2006-03-22 Richard Henderson <rth@redhat.com>
11786 PR middle-end/26084
11787 * except.c (duplicate_eh_regions_0): New.
11788 (duplicate_eh_region_1): Duplicate the children of the node as
11789 well as the node itself. Link them up properly.
11790 (duplicate_eh_region_2): Merge into ...
11791 (duplicate_eh_regions): ... here. Take copy_region argument, and
11792 copy only a sub-tree if asked. Simplify copying and fixup.
11793 (eh_region_outer_p): New.
11794 * except.h (duplicate_eh_regions): Update decl.
11795 (eh_region_outer_p): Declare.
11796 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11797 (lower_omp_master): Likewise.
11798 (lower_omp_ordered): Likewise.
11799 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11800 (move_stmt_r): Use it to remap labels. Handle recursion vs
11801 remap_decls_p properly.
11802 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11803 (find_outermost_region_in_block): New.
11804 (new_label_mapper): New.
11805 (move_sese_region_to_fn): Copy eh information to the new function
11807 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11809 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11812 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11814 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11815 into shared libraries.
11817 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11819 * doc/md.texi: Refer to i386/constraints.md instead of
11820 i386/predicates.md.
11821 * config/i386/constraints.md: New file, extracted from...
11822 * config/i386/predicates.md: ...here.
11823 * config/i386/i386.md: Include constraints.md.
11825 2006-03-21 Jason Merrill <jason@redhat.com>
11827 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11829 PR middle-end/20297
11830 * expr.c (init_block_move_fn): Force default visibility.
11831 (init_block_clear_fn): Likewise.
11832 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11833 * targhooks.c (default_external_stack_protect_fail): Likewise.
11835 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11837 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11838 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11839 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11840 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11841 (loadgp): Use mips_current_loadgp_style.
11842 (loadgp_noshared): New pattern.
11843 (sibcall_internal): Use MIPS_CALL.
11844 (sibcall_value_internal): Likewise.
11845 (sibcall_value_multiple_internal): Likewise.
11846 (call_internal): Likewise.
11847 (call_value_internal): Likewise.
11848 (call_value_multiple_internal): Likewise.
11849 (call_split): Use MIPS_CALL and add an 'S' constraint.
11850 (call_value_split): Likewise.
11851 (call_value_multiple_split): Likewise.
11852 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11853 (-mshared): New option.
11854 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11855 (mips_current_loadgp_style): Declare.
11856 * config/mips/mips.c (mips_classify_symbol): Avoid using
11857 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11858 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11859 TARGET_ABSOLUTE_ABICALLS.
11860 (override_options): Adjust comments. Improve the warning that is
11861 issued when -mabicalls and -G are used together.
11862 (mips_file_start): Remove comment.
11863 (mips_current_loadgp_style): New function.
11864 (mips_gnu_local_gp): New variable.
11865 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11867 (mips_output_function_prologue): Use mips_current_laodgp_style.
11868 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11869 the cprestore instruction.
11870 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11871 live for TARGET_ABSOLUTE_ABICALLS.
11872 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11873 (ASM_SPEC): Pass down -mshared and -mno-shared.
11874 (MIPS_CALL): New macro.
11875 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11877 * doc/invoke.texi (-mabicalls): Update documentation.
11878 (-mshared): Document.
11880 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11882 * config/ia64/unwind-hpux.c: New file.
11883 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11885 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11888 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11890 2006-03-21 Jeff Law <law@redhat.com>
11892 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11893 type conversions of a VR_VARYING source to a wider type.
11895 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11897 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11898 tm_file on Solaris 10 and later.
11899 (sparc64-*-solaris2*): Likewise.
11900 (sparc-*-solaris2*): Likewise.
11901 * config/sol26.h: Rename to config/sol2-6.h.
11902 * config/sol2-10.h: New file.
11904 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11907 * tree-ssa-pre.c (create_component_ref_by_pieces):
11910 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11913 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11914 return it immediately.
11916 2006-03-21 Michael Matz <matz@suse.de>
11918 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11920 (remove_arc, add_arc): Update num_out_arcs member.
11921 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11923 (cache_presence): New function.
11924 (compare_states_for_equiv): New function.
11925 (state_is_differed): Don't take number of outargs, adjust callers.
11926 Use new invariant for speeding up.
11927 (init_equiv_class): Create initial classes based on sorted
11929 (partition_equiv_class): Don't track out_arcs_num.
11930 (evaluate_equiv_classes): Call cache_presence on all states and
11933 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11935 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11936 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11937 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11938 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11940 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11941 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11942 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11943 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11944 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11946 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11947 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11948 (REGNO_REG_CLASS): ARGP is in PREGS.
11949 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11951 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11952 to deal with those addresses.
11953 * addresses.h: New file.
11954 * caller-save.c: Include "addresses.h".
11955 (init_caller_save): Use new base_reg_class function.
11956 * rtl-factoring.c: Include "addresses.h".
11957 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11958 * recog.c: Include "addresses.h".
11959 (preprocess_constraints): Use new base_reg_class function.
11960 * regrename.c: Include "addresses.h".
11961 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11962 functions. Keep track of a new var INDEX_CODE to compute valid
11964 (replace_oldest_value_addr): Likewise.
11965 (replace_oldest_value_mem): Use base_reg_class.
11966 * reload.c: Include "addresses.h".
11967 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11968 (find_reloads): Use new base_reg_class function.
11969 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11970 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11971 all callers and prototype changed.
11972 * reload1.c: Include "addresses.h".
11973 (maybe_fix_stack_asms): Use base_reg_class.
11974 * regclass.c: Include "addresses.h".
11975 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11976 (init_reg_autoinc): Use new base_reg_class function.
11977 (record_reg_classes): Likewise.
11978 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11979 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11980 Use new args to compute necessary class.
11982 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11983 regrename.o, rtl-factoring.o): Update dependencies.
11984 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11985 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11986 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11987 REG_OK_FOR_INDEX_P): Delete documentation.
11989 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11991 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11992 from V7 to V9 for Solaris 7 and above.
11994 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11996 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11997 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11998 argument pointers may not alias any other storage.
11999 * common.opt: Define option -fargument-noalias-anything.
12000 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12001 alias semantics is specified by flag_argument_noalias > 2.
12003 2006-03-20 Jeff Law <law@redhat.com>
12005 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12006 (pass_phi_only_cprop): Declare.
12007 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12008 with phi_only_cprop
12009 * tree-ssa-dom.c (degenerate_phi_result): New function.
12010 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12011 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12012 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12013 (eliminate_degenerate_phis): Likewise.
12014 (pass_phi_only_cprop): New pass descriptor.
12015 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12016 support code. Callers updated.
12017 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12018 (store_copy_prop): Likewise.
12019 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12021 2006-03-20 Jason Merrill <jason@redhat.com>
12024 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12025 (push_visibility, pop_visibility): Likewise.
12026 * c-pragma.h: Declare them.
12028 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12030 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12032 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12033 parameter and use get_ebb_head_tail.
12034 (sh_md_init_global): Adjust uses of find_regmode_weight.
12036 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12038 * function.h (struct function) <x_tail_recursion_reentry>:
12039 Rename to x_stack_check_probe_note.
12040 (tail_recursion_reentry): Rename to stack_check_probe_note.
12041 * function.c: Replace tail_recursion_reentry with
12042 stack_check_probe_note everywhere.
12043 (expand_function_start): Only emit a note for
12044 stack_check_probe_note with -fstack-protect.
12045 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12047 * emit-rtl.c (remove_unnecessary_notes): Remove.
12048 (pass_remove_unnecessary_notes): Remove.
12049 * rtl.h (remove_unnecessary_notes): Remove prototype.
12050 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12051 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12052 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12054 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12057 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12058 (valid_in_set): Handle ARRAY_REF.
12059 Change "if min_variant or VH" to asserts.
12060 (create_component_ref_by_pieces): Handle ARRAY_REF.
12061 (create_expression_by_pieces): Likewise.
12062 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12064 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12066 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12067 is operand of switch, not str[0].
12069 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12071 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12072 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12074 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12076 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12077 end of insn_extra_address_constraint declaration.
12079 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12081 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12082 (no-sum-in-toc): Same.
12083 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12085 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12086 NO_FP_IN_TOC for -fPIC instead of mask.
12088 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12089 (BOOT_LDFLAGS): Delete.
12091 * config/rs6000/t-aix52: Same.
12093 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12094 (stmsi[345678]_power): New.
12096 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12098 * config/ia64/ia64.opt: Add empty line to end of file.
12100 2006-03-17 Richard Guenther <rguenther@suse.de>
12102 PR middle-end/26721
12103 * builtins.c (get_pointer_alignment): For component style references
12104 adjust alignment to the component type alignment. Make sure
12105 to adjust alignment for component access of constants.
12107 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12109 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12110 unconditional jump.
12112 2006-03-17 Paul Brook <paul@codesourcery.com>
12114 * doc/install.texi: Docuemnt --with-mode.
12115 * config.gcc: Add --with-mode for arm*-*-*.
12116 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12118 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12120 * sh.c (max_labelno_before_reorg): New variable.
12121 (sh_reorg): Initialize it.
12122 (find_barrier): Check max_labelno_before_reorg before using
12123 label_to_alignment. Take length of explicit alignment insns
12124 into account. When seeing a UNSPECV_CONST_END, return it.
12126 * sh.c (fixup_mova): Set mode of affected label to QImode.
12127 (untangle_mova): New function.
12128 (find_barrier): Use it. Check mode of label before decrementing
12130 (sh_reorg): Likewise.
12131 Set mode of all insns back to VOIDmode.
12133 * sh.c (MOVA_LABELREF): New macro.
12134 (mova_p, fixup_mova, sh_reorg): Use it.
12135 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12136 ADDR_DIFF_VEC matches mova.
12138 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12140 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12141 with ATTRIBUTE_UNUSED.
12143 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12145 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12146 pointer, instead of assuming it is possible to derive the
12147 correct args size from a call insn.
12149 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12151 * rtl.h (CONST_INT_P): Define.
12152 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12153 instead of GET_CODE(x) == CONST_INT.
12154 (vax_rtx_costs): Likewise.
12155 (vax_output_int_move): Likewise.
12156 (vax_output_int_add): Likewise.
12157 (legitimate_constant_address_p): Likewise.
12158 (index_term_p): Likewise.
12159 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12160 * config/vax/vax.md (and<mode>3): Likewise.
12161 (ashrsi3): Likewise.
12163 (movstricthi): Likewise.
12164 (movstrictqi): Likewise.
12165 (rotrsi3): Likewise.
12166 (five unnamed insns): Likewise.
12168 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12170 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12171 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12172 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12173 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12174 Pass to ASM_OUTPUT_DWARF_OFFSET.
12175 * dwarf2out.c (debug_frame_section): New.
12176 (output_call_frame_info): Use debug_frame_section. Pass it to
12177 dw2_asm_output_offset.
12178 (output_die): Pass appropriate section to dw2_asm_output_offset.
12179 (output_compilation_unit_header): Likewise.
12180 (output_pubnames): Likewise.
12181 (output_aranges): Likewise.
12182 (enum dw_val_class): Break dw_val_class_lbl_offset into
12183 dw_val_class_lineptr and dw_val_class_macptr.
12184 (add_AT_lbl_offset): Delete.
12185 (add_AT_lineptr): New.
12186 (add_AT_macptr): New.
12187 (AT_lbl): Expect a lineptr or macptr.
12188 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12189 (attr_checksum): Likewise.
12190 (same_dw_val_p): Likewise.
12191 (size_of_die): Likewise.
12192 (value_format): Likewise.
12193 (output_die): Likewise.
12194 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12196 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12197 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12198 * config/darwin-protos.h (darwin_file_start): New.
12199 (darwin_asm_output_dwarf_offset): New.
12200 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12201 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12203 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12204 if not EH section; simplify.
12205 (darwin_file_start): New.
12206 (darwin_asm_output_dwarf_offset): New.
12207 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12209 (DEBUG_INFO_SECTION): Likewise.
12210 (DEBUG_ABBREV_SECTION): Likewise.
12211 (DEBUG_ARANGES_SECTION): Likewise.
12212 (DEBUG_MACINFO_SECTION): Likewise.
12213 (DEBUG_LINE_SECTION): Likewise.
12214 (DEBUG_LOC_SECTION): Likewise.
12215 (DEBUG_PUBNAMES_SECTION): Likewise.
12216 (DEBUG_STR_SECTION): Likewise.
12217 (DEBUG_RANGES_SECTION): Likewise.
12218 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12219 (ASM_OUTPUT_DWARF_OFFSET): New.
12221 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12223 * config.gcc (tm_defines): Always add to previous value rather
12226 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12228 * config/mips/predicates.md (splittable_const_int_operand): New,
12229 split from move_operand.
12230 (splittable_symbolic_operand): New.
12231 (move_operand): Add commentary. Use splittable_const_int_operand.
12232 Inline mips_atomic_symbolic_constant_p.
12233 * config/mips/mips.md: Add combine splitters for handling moves
12234 of splittable_const_int_operands and splittable_symbolic_operands.
12235 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12236 (mips_split_symbol): Declare.
12237 (mips_move_integer): Declare.
12238 * config/mips/mips.c (mips_split_p): Make global.
12239 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12240 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12241 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12242 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12243 (mips_offset_within_object_p): Handle block symbols.
12244 (mips_atomic_symbolic_constant_p): Delete.
12245 (mips_cannot_force_const_mem): Return false for constants that
12246 mips_legitimize_move can handle.
12247 (mips_use_blocks_for_constant_p): New function.
12248 (mips_split_symbol): Make global.
12249 (mips_move_integer): Likewise. Add a temporary register argument.
12250 (mips_legitimize_const_move): Use splittable_const_int_operand and
12251 splittable_symbolic_operand.
12252 (mips_use_anchors_for_symbol_p): New function.
12253 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12254 (mips_split_p): Declare.
12256 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12258 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12259 (mips*-*-linux*): Likewise.
12261 2006-03-16 Roger Sayle <roger@eyesopen.com>
12262 Daniel Speyer <dspeyer@wam.umd.edu>
12264 PR middle-end/18259
12265 * tree-dump.c (dump_real): New function.
12266 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12267 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12268 (tree-dump.o): Add $(REAL_H) to the dependencies.
12270 2006-03-16 Roger Sayle <roger@eyesopen.com>
12272 PR middle-end/21781
12273 * real.c (real_from_string): If the mantissa is zero, don't bother
12274 parsing the exponent as the result should always be zero.
12276 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12278 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12280 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12282 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12283 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12284 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12285 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12286 ia64_sched_finish_global): New static functions to implement
12287 hooks from gcc_target.sched.
12288 (spec_check_no, max_uid, pending_data_specs): New static variables.
12289 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12290 ia64_spec_check_src_p): New static functions.
12291 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12292 (TARGET_SCHED_ADJUST_COST): Removed.
12293 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12294 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12295 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12296 TARGET_SCHED_GEN_CHECK,
12297 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12298 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12299 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12300 Fixed to handle speculation checks.
12301 (rtx_needs_barrier): Fixed to handle speculative loads and
12303 (ia64_variable_issue): Added code to count speculative loads and their
12305 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12307 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12309 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12311 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12312 (ia64_reorg): Reset stops_p to NULL after it is freed.
12313 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12314 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12315 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12317 (data_speculative, control_speculative, check_load): New attributes.
12318 (mov<mode>_advanced, mov<mode>_speculative,
12319 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12320 zero_extend<mode>di2_speculative,
12321 zero_extend<mode>di2_speculative_advanced): New patterns for
12322 data and control speculative loads.
12323 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12325 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12326 New pattern for data and control speculation checks.
12327 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12328 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12329 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12330 Auxiliary definitions for the patterns.
12331 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12332 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12334 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12336 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12337 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12338 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12339 New resource constraints.
12340 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12342 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12343 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12344 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12345 msched-in-control-spec, msched-ldc, msched-control-ldc,
12346 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12347 msched-prefer-non-control-spec-insns,
12348 msched-count-spec-in-critical-path): New flags to tune speculative
12350 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12351 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12352 msched-in-control-spec, msched-ldc, msched-control-ldc,
12353 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12354 msched-prefer-non-control-spec-insns,
12355 msched-count-spec-in-critical-path): Document new flags.
12357 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12359 * target.h (struct spec_info_def): New opaque declaration.
12360 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12361 speculate_insn, needs_block_p, gen_check,
12362 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12363 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12364 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12365 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12366 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12367 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12369 (TARGET_SCHED): Use new macros.
12370 * rtl.h (copy_DEPS_LIST_list): New prototype.
12371 * sched-int.h (struct sched_info): Change signature of new_ready field,
12372 adjust all initializations. New fields: add_remove_insn,
12373 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12374 region_head_or_leaf_p.
12375 (struct spec_info_def): New structure declaration.
12376 (spec_info_t): New typedef.
12377 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12378 recovery_block, orig_pat.
12379 (glat_start, glat_end): New variables declaraions.
12380 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12382 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12383 DETACH_LIFE_INFO, USE_GLAT.
12384 (enum SPEC_SCHED_FLAGS): New enumeration.
12385 (NOTE_NOTE_BB_P): New macro.
12386 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12387 attach_life_info, debug_spec_status, check_reg_live): New functions.
12388 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12389 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12391 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12392 * ddg.c (get_block_head_tail): Adjust all uses.
12393 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12394 (sms_sched_info): Initialize new fields.
12395 (contributes_to_priority): Removed.
12396 * haifa-sched.c (params.h): New include.
12397 (get_block_head_tail): Adjust all uses.
12398 (ISSUE_POINTS): New macro.
12399 (glat_start, glat_end): New global variables.
12400 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12401 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12402 old_last_basic_block, before_recovery, current_sched_info_var,
12403 rgn_n_insns, luid): New static variables.
12404 (insn_cost1): New function. Move logic from insn_cost to here.
12405 (find_insn_reg_weight1): New function. Move logic from
12406 find_insn_reg_weight to here.
12407 (reemit_notes, move_insn, max_issue): Change signature.
12408 (move_insn1): Removed.
12409 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12410 extend_bb): New static functions to support extension of scheduler's
12412 (generate_recovery_code, process_insn_depend_be_in_spec,
12413 begin_speculative_block, add_to_speculative_block,
12414 init_before_recovery, create_recovery_block, create_check_block_twin,
12415 fix_recovery_deps): New static functions to support
12416 generation of recovery code.
12417 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12418 restore_bb_notes, move_block_after_check, move_succs): New static
12419 functions to support ebb scheduling.
12420 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12421 functions to support handling of register live information.
12422 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12423 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12424 add_jump_dependencies): New static functions.
12425 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12426 consistancy checking.
12427 (debug_spec_status): New function to call from debugger.
12428 (priority): Added code to handle speculation checks.
12429 (rank_for_schedule): Added code to distinguish speculative instructions.
12430 (schedule_insn): Added code to handle speculation checks.
12431 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12432 Fixed to handle ebbs.
12433 (move_insn): Added code to handle ebb scheduling.
12434 (max_issue): Added code to use ISSUE_POINTS of instructions.
12435 (choose_ready): Added code to choose between speculative and
12436 non-speculative instructions.
12437 (schedule_block): Added code to handle ebb scheduling and scheduling of
12438 speculative instructions.
12439 (sched_init): Initialize new variables.
12440 (sched_finish): Free new variables. Print statistics.
12441 (try_ready): Added code to handle speculative instructions.
12442 * lists.c (copy_DEPS_LIST_list): New function.
12443 * sched-deps.c (extend_dependency_caches): New function. Move logic
12444 from create_dependency_caches to here.
12445 (get_dep_weak, ds_merge): Make global.
12446 * genattr.c (main): Code to output prototype for
12447 dfa_clear_single_insn_cache.
12448 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12449 (output_dfa_clean_insn_cache_func): Code to output
12450 dfa_clear_single_insn_cache function.
12451 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12453 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12455 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12456 New static variables.
12457 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12458 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12460 (ebb_sched_info): Initialize new fields.
12461 (get_block_head_tail): Adjust all uses.
12462 (compute_jump_reg_dependencies): Fixed to use glat_start.
12463 (schedule_ebb): Code to remove unreachable last block.
12464 (schedule_ebbs): Added code to update register live information.
12465 * sched-rgn.c (region_sched_info): Initialize new fields.
12466 (get_block_head_tail): Adjust all uses.
12467 (last_was_jump): Removed. Adjust users.
12468 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12469 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12470 Implement new hooks.
12471 (check_dead_notes1): New static function.
12472 (struct region): New fields: dont_calc_deps, has_real_ebb.
12473 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12474 (BB_TO_BLOCK): Fixed to handle EBBs.
12475 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12476 (ebb_head): New static variable.
12477 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12478 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12480 (compute_dom_prob_ps): New assertion.
12481 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12482 global_live_at_start.
12483 (init_ready_list): New assertions.
12484 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12485 (new_ready): Add support for BEGIN_CONTROL speculation.
12486 (schedule_insns): Fixed code that updates register live information
12488 (schedule_region): Fixed to handle EBBs.
12489 (init_regions): Use extend_regions and check_dead_notes1.
12490 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12491 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12492 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12493 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12494 TARGET_SCHED_GEN_CHECK,
12495 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12496 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12497 * doc/invoke.texi (max-sched-insn-conflict-delay,
12498 sched-spec-prob-cutoff): Document.
12500 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12502 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12503 inter_tick, queue_index.
12504 (struct sched_info): Change signature of init_ready_list field.
12505 Adjust all initializations.
12506 (RESOLVED_DEPS): New access macro.
12507 (ready_add): Remove prototype.
12508 (try_ready): Add prototype.
12509 * sched-rgn.c (init_ready_list): Use try_ready.
12510 (schedule_region): Initialize
12511 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12512 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12513 (init_ready_list): Use try_ready.
12514 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12515 * lists.c (remove_list_elem): Remove `static'.
12516 (remove_free_INSN_LIST_elem): New function.
12517 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12518 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12519 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12521 (readyp): New variable.
12522 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12523 change_queue_index, resolve_dep): New static functions.
12524 (try_ready): New function. Adjust callers in sched-rgn.c and
12525 sched-ebb.c to use it instead of ready_add.
12526 (clock_var): Move at the begining of file.
12527 (rank_for_schedule): Fix typo.
12528 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12529 (ready_lastpos): Enforce assertion.
12530 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12531 update all callers.
12532 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12533 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12534 (queue_to_ready): Use free_INSN_LIST_list.
12535 (early_queue_to_ready): Fix typo.
12536 (schedule_block): Init readyp. Move init_ready_list call after the
12537 initialization of clock_var. Fix error in rejecting insn by
12538 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12539 that previously corrected INSN_TICKs. Add code for handling
12541 (set_priorities): Fix typo.
12542 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12543 Clarify comment and code that keeps current_sched_info->next_tail
12546 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12548 * sched-rgn.c (extend_rgns): New static function.
12549 (find_rgns): Use it.
12550 (gather_region_statistics, print_region_statistics): New static
12552 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12553 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12555 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12556 Andrey Belevantsev <abel@ispras.ru>
12558 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12559 * lists.c (unused_deps_list): New variable.
12560 (free_list): Add assertions to verify the proper distinguishing
12561 between INSN_LISTs and DEPS_LISTs.
12562 (find_list_elem, remove_list_elem, remove_list_node): New static
12564 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12565 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12566 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12567 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12569 (free_INSN_LIST_node): Likewise.
12570 * modulo-sched.c (current_sched_info): Initialize flags field.
12571 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12572 * rtl.def (DEPS_LIST): Define.
12573 * rtl.h: Declare new functions from lists.c.
12574 * sched-deps.c (spec_dependency_cache): New static variable.
12575 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12576 (add_dependence): Change return type to void. Move the logic to ...
12577 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12578 (delete_all_dependences): Add comment about forward_dependency_cache.
12579 Handle spec_dependency_cache. Handle DEPS_LISTs.
12580 (fixup_sched_groups): Clarify the change of priority of output
12581 and anti dependencies.
12582 (sched_analyze_2): Adjust add_dependence calls to create data
12583 speculative dependence.
12584 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12585 Adjust all callers. Handle DEPS_LISTS.
12586 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12587 presence of speculation.
12588 (init_dependency_caches, free_dependency_caches):
12589 Handle spec_dependency_cache.
12590 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12591 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12592 New static functions.
12593 (add_or_update_back_dep, add_or_update_back_forw_dep,
12594 add_back_forw_dep, delete_back_forw_dep): New functions.
12595 * sched-int.h (ds_t, dw_t): New typedefs.
12596 (struct sched_info): Add new field flags.
12597 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12598 Prototype new sched-deps.c functions.
12599 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12600 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12601 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12602 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12603 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12604 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12606 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12608 * sched-rgn.c (current_sched_info): Initialize flags field.
12609 (schedule_insns): Initialize current_sched_info before the sched_init
12611 * sched-ebb.c (current_sched_info): Initialize flags field.
12612 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12613 Call add_or_update_back_dep instead of add_dependence.
12614 Create control speculative dependencies.
12615 (schedule_insns): Initialize current_sched_info before the sched_init
12618 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12620 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12622 (sh_fallback_frame_state): Likewise.
12624 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12626 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12627 Do switch on default_use_cxa_atexit.
12628 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12629 * config/darwin-crt3.o: New.
12630 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12631 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12632 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12634 * config/rs6000/t-darwin: Move crt2.o building to here.
12635 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12636 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12639 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12641 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12642 from '! xxx' to '!xxx' for coding-style conformance.
12643 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12644 (EXTRA_CONSTRAINT): Likewise.
12645 * config/vax/vax.md (four unnamed insns): Likewise.
12647 2006-03-15 Paul Brook <paul@codesourcery.com>
12649 * config/arm/arm.c (minipool_pad): New.
12650 (add_minipool_forward_ref): Include pool alignment padding in address
12652 (push_minipool_fix): Set minipool_pad.
12653 (minipool_pad): Ditto.
12655 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12657 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12658 instead of GET_CODE() == MEM and REG_P() instead of
12660 (print_operand_address): Likewise.
12661 (vax_address_cost): Likewise.
12662 (vax_rtx_costs): Likewise.
12663 (vax_notice_update_cc): Likewise.
12664 (vax_output_int_add): Likewise.
12665 (INDEX_REGISTER_P): Likewise.
12666 (BASE_REGISTER_P): Likewise.
12667 (nonindexed_address_p): Likewise.
12668 (vax_mode_dependent_address_p): Likewise.
12669 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12670 (PRINT_OPERAND): Likewise.
12671 * config/vax/vax.md (ashlsi3): Likewise.
12672 (ashlsi3): Likewise.
12673 (some more unnamed insns): Likewise.
12675 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12677 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12678 iterator-style macro.
12679 (mark_control_dependent_edges_necessary): Update the use of
12680 EXECUTE_IF_CONTROL_DEPENDENT.
12682 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12684 * config/sh/predicates.md (cache_address_operand): Special.
12685 (ua_address_operand): Likewise.
12687 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12689 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12691 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12693 2006-03-15 Andreas Schwab <schwab@suse.de>
12695 * gensupport.c (identify_predicable_attribute): Don't free p_false
12696 when it is still in use.
12698 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12700 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12701 the default setting here.
12703 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12705 * tree-pass.h (pass_cfg): Remove.
12706 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12707 * passes.c (pass_cfg): Don't run it.
12709 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12711 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12712 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12714 (stack_regs_mentioned): Update the uses of
12715 stack_regs_mentioned_data. Don't access the array beyond its
12717 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12718 Don't include gt-reg-stack.h.
12720 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12721 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12723 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12725 PR middle-end/26684
12726 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12729 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12731 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12733 2006-03-14 Richard Guenther <rguenther@suse.de>
12735 PR tree-optimization/26672
12736 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12739 2006-03-14 Richard Guenther <rguenther@suse.de>
12741 PR tree-optimization/26667
12742 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12743 node for the callees. Always allow inlining if it will shrink
12746 2006-03-14 Richard Guenther <rguenther@suse.de>
12748 PR middle-end/26659
12749 * builtins.c (get_pointer_alignment): Prefer alignment
12750 information from decls over that from types.
12752 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12755 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12757 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12759 * config/rs6000/rs6000.opt (mdlmzb): New option.
12760 (msched-prolog, msched-epilog): Use Var not Mask.
12761 * doc/invoke.texi (-mdlmzb): Document.
12762 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12764 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12765 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12767 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12769 PR rtl-optimization/25739
12770 * bt-load.c (augment_live_range): Free tos pointer.
12772 * gensupport.c (identify_predicable_attribute): Free
12774 * gcov.c (create_file_names): Free name pointer.
12776 2006-03-13 Roger Sayle <roger@eyesopen.com>
12778 PR middle-end/26557
12779 * stmt.c (emit_case_nodes): Handle the case where the index is a
12780 CONST_INT, where the comparison mode is specified by the index type.
12782 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12784 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12787 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12789 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12790 (*branch_fp_inverted): Likewise.
12792 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12794 PR middle-end/25989
12795 * omp-low.c (expand_omp_for_generic): Mark istart0
12796 and iend0 as addressable.
12798 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12800 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12802 2006-03-13 Jeff Law <law@redhat.com>
12804 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12805 virtual operands are interesting.
12806 (vrp_visit_stmt): Corresponding changes.
12808 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12810 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12812 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12813 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12814 * config/bfin/crti.S: Use it instead of __PIC__.
12815 * config/bfin/crtn.S: Likewise.
12817 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12818 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12820 Lose 'G' modifier for call operand.
12821 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12822 recognize 'G' modifier.
12824 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12826 PR middle-end/18859
12827 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12828 * stmt.c (expand_case): Likewise.
12830 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12832 PR rtl-optimization/26254
12833 * loop-invariant.c (seq_insns_valid_p): New function.
12834 (move_invariant_reg): Only emit new code if it is valid.
12836 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12838 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12840 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12841 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12842 (commit_one_edge_insertion): Do not look for loop notes.
12844 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12846 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12847 flag_test_coverage out of loop.
12849 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12851 * final.c (shorten_branches): Remove outdated comment, and turn
12852 the if branch that guards it to continue.
12854 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12856 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12857 * cfgloop.h (struct loop): Remove unused fields.
12859 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12861 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12862 (-dL, -fdump-rtl-loop2): Update the dump file names
12864 * doc/invoke.texi: Update dump file names.
12866 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12868 * predict.c (estimate_probability): Remove.
12869 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12870 * basic-block.h (estimate_probability): Remove prototype.
12871 * passes.c (finish_optimization_passes): Dump branch prediction or
12872 profiling heuristics to the .profile tree dump.
12873 (init_optimization_passes): Unqueue pass_branch_prob.
12875 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12877 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12879 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12880 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12882 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12884 * function.h (frame_offset_overflow): Declare.
12885 * function.c (frame_offset_overflow): New function.
12886 (assign_stack_local_1): Call it to detect that the offset overflows.
12887 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12889 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12891 * config/sh/sh.c: Include alloc-pool.h.
12892 (label_ref_list_pool): New alloc pool.
12893 (label_ref_list_t): New type for lists of labels.
12894 (struct pool_node): Make wend a label_ref_list_t.
12895 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12897 (dump_table): Likewise.
12898 (sh_reorg): Set up the alloc pool before using add_constant and
12899 dump_table, and destroy it when finishing.
12901 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12903 * config/mips/mips.c: Remove redundant comment.
12905 2006-03-10 Jason Merrill <jason@redhat.com>
12908 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12909 the target was declared 'register'.
12911 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12913 * genpreds.c (write_insn_constraint_len): Change definition of
12914 insn_constraint_len to return size_t to match the declaration.
12916 2006-03-10 DJ Delorie <dj@redhat.com>
12918 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12920 (m32c_expand_insv): Fix test for an AND mask.
12922 2006-03-10 Richard Guenther <rguenther@suse.de>
12924 PR middle-end/26565
12925 * builtins.c (get_pointer_alignment): Handle component
12926 references for field alignment.
12928 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12930 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12931 when building with libgloss.
12932 (sh*elf): Implement --without-fp option.
12933 (sh64-superh-linux*): Don't multilib.
12935 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12937 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12939 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12941 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12942 Set it when one of the replacement functions returned true.
12943 Return TODO_cleanup_cfg if cfgchanged is true.
12944 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12946 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12948 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12949 instead of gen_lowpart.
12951 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12953 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12955 (mips_output_order_conditional_branch): Declare.
12956 * config/mips/mips.h (MIPS_BRANCH): New macro.
12957 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12958 for the comparison. Use gen_condjump.
12959 (mips_output_conditional_branch): Rework interface to take the
12960 asm templates for a direct branch and the inverse of a direct branch.
12961 (mips_output_order_conditional_branch): New function.
12962 (mips_builtin_branch_and_move): New function.
12963 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12964 branch condition. Use gen_single_cc as the condition for
12965 __builtin_mips_upper_* or __builtin_mips_lower_*.
12966 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12967 Use VOIDmode for the branch condition.
12968 * config/mips/predicates.md (order_operator): New predicate.
12969 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12970 (branch_fp): Rename to...
12971 (*branch_fp): ...this. Remove mode from comparison operator.
12972 Use new mips_output_conditional_branch interface.
12973 (branch_fp_inverted): Rename to...
12974 (*branch_fp_inverted): ...this and update as for *branch_fp.
12975 (*branch_zero<mode>): Rename to...
12976 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12977 Use mips_output_order_conditional_branch. Only accept ordered
12979 (*branch_zero<mode>_inverted): Rename to...
12980 (*branch_order<mode>_inverted): ...this and update as for
12981 *branch_order<mode>.
12982 (*branch_equality<mode>): Accept zero as the second operand to
12983 the equality operator. Use the new mips_output_conditional_branch
12985 (*branch_equality<mode>_inverted): Likewise.
12986 (condjump): New expander.
12987 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12989 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12990 (bc1any2t, bc1any2f): Likewise.
12991 (single_cc): New expander.
12992 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12994 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12996 * doc/md.texi: Update documentation of MIPS constraints.
12997 * config/mips/constraints.md: New file.
12998 * config/mips/mips.md: Include it.
12999 * config/mips/mips.c (mips_char_to_class): Delete.
13000 (override_options): Don't initialize mips_char_to_class.
13001 * config/mips/mips.h (mips_char_to_class): Delete.
13002 (REG_CLASS_FROM_LETTER): Delete.
13003 (CONST_OK_FOR_LETTER_P): Delete.
13004 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13005 (EXTRA_CONSTRAINT_Y): Delete.
13006 (EXTRA_CONSTRAINT_STR): Delete.
13007 (CONSTRAINT_LEN): Delete.
13008 (EXTRA_MEMORY_CONSTRAINT): Delete.
13010 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13012 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13013 original fn's eh regions.
13015 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13017 * fold-const.c (build_range_check): Make sure to use a valid type to
13018 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13021 (range_predecessor): New static function.
13022 (range_successor): Likewise.
13023 (merge_ranges): Use them to compute predecessors and successors of
13026 2006-03-09 Roger Sayle <roger@eyesopen.com>
13028 PR middle-end/26561
13029 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13030 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13032 2006-03-08 DJ Delorie <dj@redhat.com>
13034 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13035 (addpsi3): Expand to include memory operands. Remove
13036 reload-specific splits.
13037 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13038 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13039 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13040 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13041 (shift1_qi, shift1_hi, insv): New.
13042 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13043 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13044 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13046 * config/m32c/m32c-protos.h: Update as needed.
13047 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13048 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13049 Fail for unrecognized R* constraints.
13050 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13051 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13052 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13054 (m32c_init_libfuncs): New.
13055 (m32c_legitimate_address_p): Add debug wrapper.
13056 (m32c_rtx_costs): New.
13057 (m32c_address_cost): New.
13058 (conversions): Add 'B' prefix.
13059 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13060 operands, or word regnames for QI operands. 'B' prints bit
13062 (m32c_expand_setmemhi): New.
13063 (m32c_expand_movmemhi): New.
13064 (m32c_expand_movstr): New.
13065 (m32c_expand_cmpstr): New.
13066 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13067 (m32c_expand_neg_mulpsi3): Handle non-ints.
13068 (m32c_cmp_flg_0): New.
13069 (m32c_expand_movcc): New.
13070 (m32c_expand_insv): New.
13071 (m32c_scc_pattern): New.
13072 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13073 a0/a1 out of SIregs.
13074 (STORE_FLAG_VALUE): New.
13075 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13078 * config/m32c/mov.md: Make constraints more liberal.
13079 (zero_extendqihi2): Optimize r0/r1 case.
13080 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13081 * config/m32c/predicates.md (m32c_any_operand): New.
13082 (m32c_nonimmediate_operand): New.
13083 (m32c_hl_operand): New.
13084 (m32c_r3_operand): New.
13087 (memsym_operand): New.
13088 (memimmed_operand): New.
13089 (a_qi_operand): New.
13090 (m32c_eqne_operator): New.
13091 (m32c_1bit8_operand): New.
13092 (m32c_1bit16_operand): New.
13093 (m32c_1mask8_operand): New.
13094 (m32c_1mask16_operand): New.
13095 * config/m32c/blkmov.md: New file.
13096 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13098 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13100 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13101 unsigned to fix signed/unsigned comparison issue in
13102 DWARF2_FRAME_REG_OUT.
13103 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13104 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13106 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13107 of ptr into the ENABLE_CHECKING section.
13109 2006-03-08 Jeff Law <law@redhat.com>
13111 * tree-vrp.c (infer_value_range): Only count pointer uses
13112 and dereferences if -fdelete-null-pointer-checks is enabled.
13114 * tree-vrp.c (find_assert_locations): Infer value ranges for
13115 single use pointers, but do not create ASSERT_EXPRs for them.
13116 When a non-null range is inferred for a pointer, backwards
13117 propagate that range to other equivalent pointers through the
13120 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13123 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13124 language hook targets.
13125 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13126 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13127 if language hook targets were missing.
13129 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13131 * tree-ssa-opfinalize.h: Removed.
13132 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13134 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13135 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13136 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13137 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13138 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13139 finalize_ssa_v_must_def_ops): New.
13141 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13143 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13144 block as parameter.
13146 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13148 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13150 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13151 addresses with offsets; reorganize.
13153 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13154 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13155 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13157 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13160 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13162 2006-03-08 Ben Elliston <bje@au.ibm.com>
13164 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13166 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13169 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13172 2006-03-07 Richard Guenther <rguenther@suse.de>
13174 PR tree-optimization/26587
13175 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13177 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13179 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13181 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13183 * hooks.c (hook_bool_mode_rtx_true): New function.
13184 * hooks.h (hook_bool_mode_rtx_true): Declare.
13185 * toplev.c (compile_file): Call output_shared_constant_pool.
13186 * varasm.c (shared_constant_pool): New variable.
13187 (assemble_start_function, assemble_end_function): Remove arguments
13188 from call to output_constant_pool.
13189 (create_constant_pool): New function, split out from...
13190 (init_varasm_status): ...here.
13191 (force_const_mem): Choose between the shared and per-function constant
13192 pools. Set current_function_uses_const_pool when reusing old entries
13193 as well as when creating new ones.
13194 (mark_constant): Ignore data argument.
13195 (mark_constants): Remove pool argument.
13196 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13197 to decide whether the function uses a constant pool.
13198 (output_constant_pool_contents): New function, split out from...
13199 (output_constant_pool): ...here.
13200 (output_shared_constant_pool): New function.
13201 (init_varasm_once): Initialize shared_constant_pool.
13202 * output.h (output_constant_pool): Delete.
13203 (output_shared_constant_pool): Declare.
13204 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13205 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13207 2006-03-06 Nick Clifton <nickc@redhat.com>
13209 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13210 flag_strength_reduce.
13212 2006-03-06 Ben Elliston <bje@au.ibm.com>
13214 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13215 x86_64-*-linux* configurations.
13217 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13218 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13220 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13222 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13224 * basic-block.h: Remove the extern for
13225 rediscover_loops_after_threading.
13227 * cfgloop.c (cancel_loop): Make it static.
13228 * cfgloop.h: Remove the prototype for cancel_loop.
13230 * flow.c (recompute_reg_usage): Make it static.
13231 * rtl.h: Remove the prototype for recompute_reg_usage.
13233 * function.c (use_return_register): Make it static.
13234 * function.h: Remove the prototype.
13236 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13238 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13240 * recog.h: Remove the prototype for
13241 validate_change_maybe_volatile.
13243 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13245 * rtlanal.c (replace_reg): Remove.
13246 * rtl.h: Remove the prototype for replace_reg.
13248 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13250 * regclass.c (reg_scan_update): Remove.
13251 (reg_scan_mark_refs): Remove the last argument.
13252 * rtl.h: Remove the prototype for reg_scan_update.
13254 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13256 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13257 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13258 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13259 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13260 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13261 loop-invariant.c, omp-low.c, opts.c, passes.c,
13262 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13263 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13264 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13265 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13266 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13267 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13269 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13271 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13272 * dwarf2out.h: Remove the prototype for
13273 dwarf2out_add_library_unit_info.
13275 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13277 * tree.c (add_var_to_bind_expr): Remove.
13278 * tree.h: Remove the prototype for add_var_to_bind_expr.
13280 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13282 * regclass.c (n_non_fixed_regs): Remove.
13283 (init_reg_sets_1, globalize_reg): Remove all uses of
13285 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13287 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13289 * rtlanal.c (insns_safe_to_move_p): Remove.
13290 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13292 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13294 * expmed.c (expand_mult_add): Remove.
13295 * expr.h: Remove the prototype for expand_mult_add.
13297 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13299 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13300 and REG_SAVED_VAL_EXP constants.
13301 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13302 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13303 Handle regs stored by value.
13304 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13305 (execute_cfa_program): Handle DW_CFA_val_offset,
13306 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13307 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13308 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13309 (uw_install_context_1): Handle target regs stored by value.
13311 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13313 * tree-sra.c (tree_sra): Return todoflags;
13314 (generate_one_element): Set TODO_update_smt_usage if needed.
13315 (pass_sra): Remove TODO_update_smt_usage.
13316 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13318 (tree_ssa_forward_propagate_single_use_vars): Return
13319 TODO_update_smt_usage if we need to update SMT usage.
13320 (pass_forwprop): Remove TODO_update_smt_usage.
13322 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13324 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13325 (correct_use_link): Remove reference to get_stmt_operands.
13326 (update_stmt_operands): Likewise.
13327 (get_modify_expr_operands): New function factored out of
13328 parse_ssa_operands and get_expr_operands.
13329 Try to create V_MUST_DEFs for LHS by default.
13330 (get_expr_operands) <case MODIFY_EXPR>: Call
13331 get_modify_expr_operands.
13332 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13333 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13334 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13335 get_modify_expr_operands.
13337 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13339 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13340 * tree-flow.h: Remove the prototype for
13341 referenced_var_lookup_if_exists.
13343 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13345 PR rtl-optimization/26345
13347 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13349 2006-03-03 Roger Sayle <roger@eyesopen.com>
13351 PR tree-optimization/26524
13352 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13353 fold_convert to create a constant of the appropriate type.
13355 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13357 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13358 SYMBOL_REF_IN_BLOCK_P.
13359 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13360 of SYMBOL_FLAG_IN_BLOCK.
13361 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13362 instead of SYMBOL_REF_IN_BLOCK_P.
13363 * explow.c (use_anchored_address): Likewise.
13364 * rtl.c (rtx_size): Likewise.
13365 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13366 instead of SYMBOL_FLAG_IN_BLOCK.
13367 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13368 SYMBOL_REF_IN_BLOCK_P.
13369 (assemble_variable): Likewise.
13370 (output_constant_def_contents): Likewise.
13371 (output_constant_pool): Likewise.
13372 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13373 instead of SYMBOL_FLAG_IN_BLOCK.
13374 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13375 SYMBOL_REF_IN_BLOCK_P.
13376 (SYMBOL_REF_BLOCK): Likewise.
13377 (SYMBOL_REF_OFFSET): Likewise.
13378 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13379 SYMBOL_REF_IN_BLOCK_P.
13380 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13381 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13382 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13383 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13385 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13387 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13389 2006-03-02 Roger Sayle <roger@eyesopen.com>
13391 * simplify-rtx.c (simplify_unary_operation): When simplifying
13392 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13393 that we perform the right shift in the appropriate mode, and
13394 then extend or truncate the result to requested mode.
13396 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13398 * gengtype.c (main): Handle double_int type.
13399 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13400 * double-int.c: New file.
13401 * double-int.h: New file.
13402 * system.h: Include doubleint.h.
13403 * Makefile.in (SYSTEM_H): Include double-int.h.
13404 (double-int.o): Add.
13406 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13409 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13412 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13414 * tree-vrp.c (remove_range_assertions): Do not update statements
13417 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13419 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13421 * gcse.c (rest_of_handle_gcse): Ditto.
13422 * except.c (gate_handle_eh): Ditto.
13423 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13424 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13426 2006-03-02 Eric Christopher <echristo@apple.com>
13428 * config/i386/i386.c (machopic_output_stub): Add indirection to
13431 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13435 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13437 Sun Niagara specific optimizations.
13438 * config.gcc: Recognize niagara as target.
13439 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13440 (TARGET_CPU_niagara): Define.
13441 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13442 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13443 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13444 (ASM_CPU_SPEC): Likewise.
13445 (PROCESSOR_NIAGARA): New enum entry.
13446 (REGISTER_MOVE_COST): Handle Niagara.
13447 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13448 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13449 (sparc_override_options): Recognize "niagara", set appropriate
13450 default MASK_* values for it, and align functions to 32-bytes
13451 by default just like ULTRASPARC/ULTRASPARC3.
13452 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13453 (sparc64_initialize_trampoline): Likewise.
13454 (sparc_use_sched_lookahead): Use zero for niagara.
13455 (sparc_issue_rate): Use one for niagara.
13456 * config/sparc/niagara.md: New file.
13457 * config/sparc/sparc.md: Include it.
13458 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13459 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13460 when default cpu is niagara.
13461 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13462 (ASM_CPU_SPEC): Likewise.
13463 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13464 when default cpu is niagara.
13465 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13466 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13467 just like v9/ultrasparc/ultrasparc3.
13468 * doc/invoke.texi: Add documentation for "niagara" and improve
13469 existing documentation for ultrasparc variants.
13471 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13473 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13475 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13477 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13478 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13479 and say that only one is needed.
13480 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13481 * target.h (have_switchable_bss_sections): New hook.
13482 * explow.c (use_anchored_address): Check that the symbol is in a block.
13483 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13484 (bss_noswitch_section): New variables.
13485 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13486 (get_noswitch_section): New function.
13487 (get_block_for_section): Allow SECT to be null.
13488 (unlikely_text_section_p): Use SECTION_STYLE.
13489 (bss_initializer_p): New function.
13490 (get_variable_section): Move earlier in file. Take a new argument,
13491 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13492 Return one of the new *_sections in such cases.
13493 (get_block_for_decl): New function, extracting some logic from
13494 use_blocks_for_decl_p.
13495 (change_symbol_section): Remove in favor of...
13496 (change_symbol_block): ...this new function.
13497 (use_blocks_for_decl_p): Remove checks now performed by
13498 get_block_for_decl.
13499 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13500 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13501 (emit_local, emit_bss, emit_common): ...these new functions.
13502 Return true if the alignment was honored.
13503 (emit_tls_common): New function.
13504 (asm_emit_uninitialised): Delete.
13505 (assemble_variable_noswitch): New function, split out from...
13506 (assemble_variable): ...here. Don't make decisions about common
13507 variables here. Globalize all public decls that go into non-common
13508 sections. Check whether SYMBOL_REF_BLOCK is null.
13509 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13510 (output_constant_pool): Likewise.
13511 (init_varasm_once): Initialize the new section variables.
13512 (have_global_bss_p): New function.
13513 (categorize_decl_for_section): Use bss_initializer_p.
13514 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13515 (place_block_symbol): Assert that the symbol must be in a block.
13516 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13517 (TARGET_INITIALIZER): Include it.
13518 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13519 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13520 (SECTION_MACH_DEP): Bump by two.
13521 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13522 (unnamed_section): Mention SECTION_UNNAMED in comment.
13523 (named_section): Likewise SECTION_NAMED.
13524 (noswitch_section_callback): New type.
13525 (noswitch_section): New structure.
13526 (section): Add a noswitch_section alternative.
13527 (SECTION_STYLE): New macro.
13528 (tls_comm_section, comm_section, lcomm_section): Declare.
13529 (bss_noswitch_section, have_global_bss_p): Declare.
13530 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13531 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13533 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13534 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13537 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13539 * tree-vrp.c (execute_vrp): Return value.
13540 * regrename.c (rest_of_handle_regrename): Ditto.
13541 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13542 * tree-complex.c (tree_lower_complex): Ditto.
13543 (tree_lower_complex_O0): Ditto.
13544 * tracer.c (rest_of_handle_tracer): Ditto.
13545 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13546 * postreload.c (rest_of_handle_postreload): Ditto.
13547 * tree-tailcall.c (execute_tail_recursion): Ditto.
13548 (execute_tail_calls): Ditto.
13549 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13550 * tree.h (init_function_for_compilation): Ditto.
13551 * ipa-cp.c (ipcp_driver): Ditto.
13552 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13553 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13554 * final.c (compute_alignments): Ditto.
13555 (rest_of_handle_final): Ditto.
13556 (rest_of_handle_shorten_branches): Ditto.
13557 (rest_of_clean_state): Ditto.
13558 * omp-low.c (execute_expand_omp): Ditto.
13559 (execute_lower_omp): Ditto.
13560 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13561 * ipa-reference.c (static_execute): Ditto.
13562 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13563 * reorg.c (rest_of_handle_delay_slots): Ditto.
13564 (rest_of_handle_machine_reorg): Ditto.
13565 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13566 * flow.c (recompute_reg_usage): Ditto.
13567 (rest_of_handle_remove_death_notes): Ditto.
13568 (rest_of_handle_life): Ditto.
13569 (rest_of_handle_flow2): Ditto.
13570 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13571 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13572 (do_ssa_store_ccp): Ditto.
13573 (execute_fold_all_builtins): Ditto.
13574 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13575 * modulo-sched.c (rest_of_handle_sms): Ditto.
13576 * ipa-pure-const.c (static_execute): Ditto.
13577 * cse.c (rest_of_handle_cse): Ditto.
13578 (rest_of_handle_cse2): Ditto.
13579 * web.c (rest_of_handle_web): Ditto.
13580 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13581 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13582 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13583 * tree-nrv.c (tree_nrv): Ditto.
13584 (execute_return_slot_opt): Ditto.
13585 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13586 (create_structure_vars): Ditto.
13587 * loop-init.c (rtl_loop_init): Ditto.
13588 (rtl_loop_done): Ditto.
13589 (rtl_move_loop_invariants): Ditto.
13590 (rtl_unswitch): Ditto.
13591 (rtl_unroll_and_peel_loops): Ditto.
13592 (rtl_doloop): Ditto.
13593 * gimple-low.c (lower_function_body): Ditto.
13594 (mark_used_blocks): Ditto.
13595 * tree-ssa-sink.c (execute_sink_code): Ditto.
13596 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13597 (cgraph_early_inlining): Ditto.
13598 * global.c (rest_of_handle_global_alloc): Ditto.
13599 * jump.c (cleanup_barriers): Ditto.
13600 (purge_line_number_notes): Ditto.
13601 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13602 (rest_of_handle_if_after_reload): Ditto.
13603 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13604 (tree_ssa_loop_im): Ditto.
13605 (tree_ssa_loop_unswitch): Ditto.
13606 (tree_vectorize): Ditto.
13607 (tree_linear_transform): Ditto.
13608 (tree_ssa_loop_ivcanon): Ditto.
13609 (tree_ssa_empty_loop): Ditto.
13610 (tree_ssa_loop_bounds): Ditto.
13611 (tree_complete_unroll): Ditto.
13612 (tree_ssa_loop_prefetch): Ditto.
13613 (tree_ssa_loop_ivopts): Ditto.
13614 (tree_ssa_loop_done): Ditto.
13615 * predict.c (tree_estimate_probability): Ditto.
13616 * recog.c (split_all_insns_noflow): Ditto.
13617 (rest_of_handle_peephole2): Ditto.
13618 (rest_of_handle_split_all_insns): Ditto.
13619 * tree-eh.c (lower_eh_constructs): Ditto.
13620 * regmove.c (rest_of_handle_regmove): Ditto.
13621 (rest_of_handle_stack_adjustments): Ditto.
13622 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13623 * function.c (instantiate_virtual_regs): Ditto.
13624 (init_function_for_compilation): Ditto.
13625 (rest_of_handle_check_leaf_regs): Ditto.
13626 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13627 (rest_of_handle_gcse): Ditto.
13628 * ipa-type-escape.c (type_escape_execute): Ditto.
13629 * alias.c (rest_of_handle_cfg): Ditto.
13630 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13631 * profile.c (rest_of_handle_branch_prob): Ditto.
13632 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13633 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13634 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13635 * tree-dfa.c (find_referenced_vars): Ditto.
13636 * except.c (set_nothrow_function_flags): Ditto.
13637 (convert_to_eh_region_ranges): Ditto.
13638 (rest_of_handle_eh): Ditto.
13639 * emit-rtl.c (unshare_all_rtl): Ditto.
13640 (remove_unnecessary_notes): Ditto.
13641 * except.h (set_nothrow_function_flags): Ditto.
13642 (convert_to_eh_region_ranges): Ditto.
13643 * cfgexpand.c (tree_expand_cfg): Ditto.
13644 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13645 * tree-ssa-pre.c (do_pre): Ditto.
13646 (execute_fre): Ditto.
13647 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13648 (rest_of_handle_jump2): Ditto.
13649 * tree-sra.c (tree_sra): Ditto.
13650 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13651 (execute_mudflap_function_decls): Ditto.
13652 * tree-ssa-copy.c (do_copy_prop): Ditto.
13653 (do_store_copy_prop): Ditto.
13654 * ipa-prop.h (ipcp_driver): Ditto.
13655 * cfglayout.c (insn_locators_initialize): Ditto.
13656 * tree-ssa-forwprop.c
13657 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13658 * cfglayout.h (insn_locators_initialize): Ditto.
13659 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13660 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13661 (execute_late_warn_uninitialized): Ditto.
13662 * rtl.h (cleanup_barriers): Ditto.
13663 (split_all_insns_noflow): Ditto.
13664 (purge_line_number_notes): Ditto.
13665 (unshare_all_rtl): Ditto.
13666 (remove_unnecessary_notes): Ditto.
13667 (recompute_reg_usage): Ditto.
13668 (variable_tracking_main): Ditto.
13669 * integrate.c (emit_initial_value_sets): Ditto.
13670 * integrate.h (emit_initial_value_sets): Ditto.
13671 * tree-optimize.c (execute_free_datastructures): Ditto
13672 (execute_free_cfg_annotations): Ditto.
13673 (execute_fixup_cfg): Ditto.
13674 (execute_cleanup_cfg_pre_ipa): Ditto.
13675 (execute_cleanup_cfg_post_optimizing): Ditto.
13676 (execute_init_datastructures): Ditto.
13677 * tree-object-size.c (compute_object_sizes): Ditto.
13678 * combine.c (rest_of_handle_combine): Ditto.
13679 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13680 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13681 (rest_of_handle_reorder_blocks): Ditto.
13682 (rest_of_handle_partition_blocks): Ditto.
13683 * var-tracking.c (variable_tracking_main): Ditto.
13684 * tree-profile.c (tree_profiling): Ditto.
13685 * tree-vect-generic.c (expand_vector_operations): Ditto.
13686 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13687 * sched-rgn.c (rest_of_handle_sched): Ditto.
13688 (rest_of_handle_sched2): Ditto.
13689 * basic-block.h (free_bb_insn): Ditto.
13690 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13691 * tree-cfg.c (execute_build_cfg): Ditto.
13692 (remove_useless_stmts): Ditto.
13693 (split_critical_edges): Ditto.
13694 (execute_warn_function_return): Ditto.
13695 (execute_warn_function_noreturn): Ditto.
13696 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13697 * cfgrtl.c (free_bb_for_insn): Ditto.
13698 * passes.c (execute_one_pass): Run additional
13699 todos returned by execute function.
13700 * tree-pass.h (struct tree_opt_pass): Make execute
13703 2006-03-02 Richard Guenther <rguenther@suse.de>
13705 * tree-ssa-alias.c (find_used_portions): Consider taking
13706 the address as making the variable not write-only.
13708 2006-03-02 Nick Clifton <nickc@redhat.com>
13710 * config.gcc (default_use_cxa_atexit): Extend the description of
13711 this configure variable. Set its default value to "yes" for
13712 Linux, NetBSD and ELF targets on the assumption that they will
13713 use C libraries with the __cxa_atexit function.
13715 2006-03-02 Ben Elliston <bje@au.ibm.com>
13717 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13718 parameter as unused to suppress a build warning.
13720 2006-03-02 Ben Elliston <bje@au.ibm.com>
13722 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13725 2006-03-01 Roger Sayle <roger@eyesopen.com>
13728 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13729 declared name, the weak reference name, and the typeof name.
13730 (__gthrw): Avoid expanding the declared name suffix.
13731 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13733 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13735 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13737 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13738 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13739 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13740 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13741 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13742 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13743 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13744 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13745 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13746 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13747 (DW_END_default, DW_END_big, DW_END_little): New.
13748 (DW_END_lo_user, DW_END_hi_user): Define.
13749 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13750 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13751 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13754 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13756 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13758 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13760 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13762 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13764 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13765 to 'symbol_mem_tag'.
13767 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13770 2006-03-01 Roger Sayle <roger@eyesopen.com>
13772 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13774 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13777 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13778 MACHO_DYNAMIC_NO_PIC_P.
13779 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13781 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13784 * config/darwin-protos.h (darwin_asm_output_anchor):
13786 * config/darwin-sections.def (cstring_section):
13787 Add SECTION_MERGE to the flags.
13788 (literal4_section): Likewise.
13789 (literal8_section): Likewise.
13790 (objc_selector_refs_section): Likewise.
13791 (objc_cls_refs_section): Likewise.
13792 * config/darwin.c (darwin_asm_output_anchor): New
13794 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13796 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13798 Fix PR tree-optimization/26443
13799 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13800 to todo and PROP_tmt_usage to properties_destroyed.
13801 * tree-ssa-ccp.c (pass_ccp): Ditto.
13802 (pass_store_ccp): Ditto.
13803 * tree-ssa-dom.c (pass_dominator): Ditto.
13805 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13807 * tree-ssa-operands.c: Cleanup whitespace.
13808 (get_asm_expr_operands): Move before first invocation.
13809 (get_indirect_ref_operands): Likewise.
13810 (get_tmr_operands): Likewise.
13811 (get_call_expr_operands): Likewise.
13812 (append_def): Likewise.
13813 (append_use): Likewise.
13814 (append_v_may_def): Likewise.
13815 (append_v_must_def): Likewise.
13816 (add_call_clobber_ops): Likewise.
13817 (add_call_read_ops): Likewise.
13818 (add_stmt_operand): Likewise.
13819 (add_virtual_operand): Likewise.
13820 (build_ssa_operands): Likewise.
13822 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13824 PR middle-end/26022
13826 PR middle-end/24437
13827 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13828 with a call expr to ...
13829 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13831 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13833 * tree-vrp.c (extract_range_from_assert): Remove special
13834 handling for types with super-types.
13836 2006-03-01 Ben Elliston <bje@au.ibm.com>
13838 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13839 and powerpc64-*-linux* configurations.
13840 * config/t-dfprules: New file.
13842 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13843 Compile dfp-bit.c from the source directory using -DWIDTH and
13844 $DFP_CFLAGS to control the compilation of that file, rather than
13845 generating width-specific versions in the build directory.
13846 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13847 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13849 2006-02-28 Zack Weinberg <zackw@panix.com>
13851 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13854 2006-02-28 Eric Christopher <echristo@apple.com>
13856 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13857 Set up IN_LIBGCC definition of TARGET_64BIT.
13858 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13860 2006-02-28 Roger Sayle <roger@eyesopen.com>
13862 PR middle-end/14752
13863 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13864 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13865 cases via the construction of "expr != 0".
13867 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13869 * alias.c (alias_invariant, alias_invariant_size): Remove.
13870 (record_base_value): Remove.
13871 (memrefs_conflict_p): Don't look at alias_invariant.
13872 (end_alias_analysis): Don't free it.
13873 * alias.h (record_base_value): Remove prototype.
13875 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13876 Adam Nemet <anemet@caviumnetworks.com>
13878 * rtl.h (truncated_to_mode): Declare it.
13879 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13880 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13881 (RTL_HOOKS_INITIALIZER): Include it.
13882 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13883 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13884 reg_truncated_to_mode.
13885 * rtlanal.c (truncated_to_mode): Define it.
13886 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13888 2006-02-28 Jeff Law <law@redhat.com>
13890 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13891 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13892 the range allowed by TYPE_PRECISION.
13894 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13896 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13898 PR tree-optimization/26419
13899 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13902 2006-02-27 Zack Weinberg <zackw@panix.com>
13904 * doc/md.texi: Fix typo in previous change.
13906 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13910 2006-02-27 Zack Weinberg <zackw@panix.com>
13912 * rtl.def (define_constraint, define_register_constraint)
13913 (define_memory_constraint, define_address_constraint): New MD forms.
13914 * gensupport.c (process_rtx): Put define_constraint etc on the
13916 * genpreds.c (process_define_predicate): Adjust comment. Validate
13917 the name, and call validate_exp to validate the expression.
13918 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13919 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13920 all callers changed.
13921 (validate_exp, needs_variable, struct constraint_data)
13922 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13923 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13924 (const_dbl_constraints, constraint_max_namelen)
13925 (have_register_constraints, have_memory_constraints)
13926 (have_address_constraints, have_address_constraints)
13927 (have_extra_constraints, have_const_int_constraints)
13928 (have_const_dbl_constraints, mangle, add_constraint)
13929 (process_define_constraint, process_define_register_constraint)
13930 (write_enum_constraint_num, write_lookup_constraint)
13931 (write_insn_constraint_len, write_regclass_for_constraint)
13932 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13933 (write_insn_extra_memory_constraint)
13934 (write_insn_extra_address_constraint)
13935 (write_satisfies_constraint_fns): New.
13936 (write_tm_preds_h): If we have new-style constraint definitions,
13937 prototype the functions generated from them, and define the
13938 old constraint interface (still used by generic code) in terms of
13940 (write_insn_preds_c): If we have new-style constraint definitions,
13941 generate all relevant functions from those definitions.
13942 (main): Handle define_constraint etc.
13943 * genoutput.c (struct constraint_data, indep_constraints)
13944 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13945 (mdep_constraint_len): New data structures and functions, defined
13946 #ifdef USE_MD_CONSTRAINTS.
13947 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13948 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13949 use new logic to validate operand constraints against constraint
13951 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13953 * defaults.h: If none of the old-style constraint macros are
13954 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13955 old-style macros; and poison REG_CLASS_FROM_LETTER,
13956 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13958 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13959 * doc/md.texi: Document new constraint-definition mechanism and the
13960 C interface it provides. Remove references to old mechanism
13961 elsewhere in the document.
13962 (Machine Constraints): Use pathnames relative to gcc directory,
13963 i.e. config/ARCH/FILE. Change i386 section to refer to
13964 config/i386/predicates.md; update that section to match docstrings.
13965 * doc/tm.texi: Move all documentation of the old constraint-
13966 definition macros to their own section, clearly mark as obsolete.
13968 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13969 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13971 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13972 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13973 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13974 constraint strings.
13975 (splits and peepholes): Use satisfies_constraint_*.
13976 * config/i386/i386.c (memory_address_length)
13977 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13979 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13981 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13982 scalar operation to be put back into the loop.
13984 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13987 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13988 (extract_cie_info): Handle S flag in augmentation string.
13989 (execute_cfa_program): If context->signal_frame, execute also
13990 fs->pc == context->ra instructions.
13991 (uw_frame_state_for): If context->signal_frame, don't subtract one
13992 from context->ra to find FDE.
13993 (uw_update_context_1): Set context->signal_frame to
13995 (_Unwind_GetIPInfo): New function.
13996 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13997 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13999 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14000 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14001 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14002 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14003 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14004 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14005 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14006 x86_64_fallback_frame_state): Set fs->signal_frame.
14007 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14008 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14009 (frob_update_context): Likewise. Workaround missing S flag in
14010 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14011 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14012 Remove the psw_addr + 1 hack.
14014 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14016 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14017 with aggregates here.
14018 (find_func_aliases): Remove code for &<aggregate> from here.
14020 2006-02-26 Roger Sayle <roger@eyesopen.com>
14022 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14023 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14024 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14025 as (X & C) ne/eq 0.
14027 2006-02-26 Roger Sayle <roger@eyesopen.com>
14029 PR middle-end/19983
14030 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14032 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14034 * opts.c (decode_options): Do not handle flag_strength_reduce.
14035 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14036 and OPT_fstrength_reduce.
14037 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14038 flag_prefetch_loop_arrays for being nonzero.
14039 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14041 (fprefetch-loop-arrays-rtl): Removed.
14042 (flag_prefetch_loop_arrays): Do not specify the value.
14044 * doc/passes.texi: Update documentation of loop optimizer
14046 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14047 -frerun-loop-opt): Remove.
14049 2006-02-26 Richard Guenther <rguenther@suse.de>
14051 PR tree-optimization/26421
14052 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14053 in function calls that are ADDR_EXPRs as using the whole structure.
14055 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14057 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14058 * tree-pass.h (pass_loop_optimize): Remove.
14059 * passes.c (pass_loop_optimize): Never run it.
14060 * toplev.c (backend_init): Don't call init_loop.
14061 * opts.c (flag_loop_optimize_set): Remove.
14062 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14063 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14064 the old RTL loop optimizer when profiling enabled.
14065 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14066 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14067 pre-headers for the sake of the old RTL loop optimizer.
14068 * Makefile.in: Remove all references to loop.o.
14070 * doc/invoke.texi: Remove all references to -floop-optimize
14071 and -frerun-loop-opt.
14073 2006-02-26 Zack Weinberg <zackw@panix.com>
14075 * doc/md.texi (Machine Constraints): Refer to all files with paths
14076 relative to gcc directory (i.e. config/CPU/file). Add missing
14077 @table @code ... @end table to M32C subsection.
14079 2006-02-26 Roger Sayle <roger@eyesopen.com>
14081 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14083 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14085 2006-02-26 Roger Sayle <roger@eyesopen.com>
14086 James A. Morrison <phython@gcc.gnu.org>
14088 PR middle-end/21137
14089 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14090 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14091 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14092 signedness of the shift operation.
14094 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14096 PR tree-optimization/26359
14097 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14099 2006-02-25 Roger Sayle <roger@eyesopen.com>
14101 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14102 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14103 as X == 0, and some symmetry related transformations.
14104 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14106 2006-02-25 Roger Sayle <roger@eyesopen.com>
14108 PR middle-end/23673
14109 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14110 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14111 symmetry related transformations. Fold (X^C1) == C2 as
14114 2006-02-25 Juergen Weigert <jw@suse.de>
14115 Richard Guenther <rguenther@suse.de>
14117 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14119 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14121 * combine.c (gen_lowpart_or_truncate): Call
14122 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14124 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14126 * doc/invoke.texi: Move -fopenmp description to "Options for
14128 Remove reference to -lgomp.
14130 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14132 * doc/install.texi: Require GNU tar version 1.14.
14134 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14136 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14137 * doc/invoke.texi (C++ Dialect Options): Document
14138 -fno-use-cxa-get-exception-ptr.
14139 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14140 * configure: Regenerate.
14141 * c.opt (fuse-cxa-get-exception-ptr): New.
14142 * c-opts.c (c_common_handle_option): Handle
14143 OPT_fuse_cxa_get_exception_ptr.
14144 * c-common.c (flag_use_cxa_atexit): Update documentation.
14145 (flag_use_cxa_get_exception_ptr): New.
14146 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14147 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14149 (C_COMMON_OVERRIDE_OPTIONS): New.
14151 2006-02-24 Roger Sayle <roger@eyesopen.com>
14153 PR middle-end/24952
14154 * combine.c (try_combine): Explicitly check whether GET_CODE is
14155 a SET or a CLOBBER, instead on checking that it isn't a USE.
14157 2006-02-24 Roger Sayle <roger@eyesopen.com>
14159 * fold-const.c (fold_comparison): New subroutine of fold_binary
14160 containing transformations common to both the equality and
14161 ordering relational operators, factored out of fold_binary.
14162 (fold_binary): Separate out the equality operators (EQ_EXPR
14163 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14164 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14165 transformations common to both.
14166 (fold_div_compare): Fix latent bugs in the previously unreachable
14167 LT_EXPR and GE_EXPR cases.
14169 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14171 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14172 decl libname for clog to __clog on AIX.
14174 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14176 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14179 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14180 output traceback table for thunks. Localise rs6000_stack_info call.
14182 2006-02-23 Roger Sayle <roger@eyesopen.com>
14183 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14185 * gthr-posix.h (__gthrw): Fix typo in comment.
14187 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14189 * doc/cpp.texi (Character sets): Document that we do support
14190 input files to be in any character set.
14192 2006-02-23 Jeff Law <law@redhat.com>
14194 * tree.h (PHI_ARG_NONZERO): Remove.
14195 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14196 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14197 node to the new node.
14199 PR tree-optimization/26425
14200 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14201 min/max, then assume its varying.
14203 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14205 PR rtl-optimization/26316
14206 * rtlanal.c (enum may_trap_p_flags): New.
14207 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14208 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14209 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14210 (may_trap_after_code_motion_p): New function.
14211 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14212 (find_invariant_insn): Use may_trap_after_code_motion_p.
14213 * rtl.h (may_trap_after_code_motion_p): Declare.
14215 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14217 * emit-rtl.c (immed_double_const): Cleanup.
14219 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14221 Fix PR tree-optimization/26376
14222 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14225 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14227 PR middle-end/26412
14228 * gimplify.c (omp_add_variable): Guard variable size decl test with
14229 DECL_SIZE (decl) check.
14231 2006-02-23 Richard Guenther <rguenther@suse.de>
14233 PR middle-end/26439
14234 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14235 like aggregate types.
14237 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14239 * configure.ac: Add --with{,out}-long-double-128 configure option.
14240 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14241 * configure: Rebuilt.
14242 * config.in: Rebuilt.
14243 * doc/install.texi (Options specification): Document
14244 --with-long-double-128.
14246 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14247 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14248 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14249 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14251 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14253 * config/s390/s390.c (override_options): Handle
14254 TARGET_DEFAULT_LONG_DOUBLE_128.
14256 * config/alpha/alpha.c (override_options): Handle
14257 TARGET_DEFAULT_LONG_DOUBLE_128.
14259 * config/sparc/sparc.c (sparc_override_options): Handle
14260 TARGET_DEFAULT_LONG_DOUBLE_128.
14262 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14264 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14265 (real-install-headers-tar, real-install-headers-cpio)
14266 (real-install-headers-cp): New targets.
14268 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14270 * tree.h (variable_section): Delete.
14271 * varasm.c (variable_section): Delete.
14273 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14275 * install.texi: Add notes on install.texi2html.
14276 (Building in parallel): Do not use footnotes.
14278 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14281 * doc/install.texi (Configuration): Document --disable-libgomp.
14283 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14285 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14287 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14289 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14290 (vec_extractv2df_0_sse): New.
14292 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14294 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14295 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14296 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14297 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14298 to the result of the expression.
14299 (def_cfa_1): Adjust.
14300 (frame_pointer_cfa_offset): Rename to...
14301 (frame_pointer_fb_offset): ... this. Adjust all uses.
14302 (convert_cfa_to_loc_list): Rename to...
14303 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14304 Pass it on to build_cfa_loc.
14305 (compute_frame_pointer_to_cfa_displacement): Rename to...
14306 (compute_frame_pointer_to_fb_displacement): ... this. New
14307 offset parameter. Use it in computation.
14308 (gen_subprogram_die): Compute cfa_fb_offset with the new
14309 macro, and use it to compute the fb loc list and the
14312 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14314 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14315 replaced with register_operand.
14316 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14317 non-DREG is expensive.
14318 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14319 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14322 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14324 * doc/install.texi2html: Use set -e.
14326 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14328 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14329 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14330 * doc/invoke.texi (-fshared-data): Delete.
14331 * common.opt (fshared-data): Delete.
14332 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14333 (assemble_static_space): Remove #if 0 code.
14334 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14335 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14336 * config/cris/cris.h: Remove FIXME.
14338 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14340 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14343 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14345 PR middle-end/26379
14346 * combine.c (simplify_shift_const_1): Disable nested shifts
14347 optimization for vector shifts.
14349 2006-02-20 Roger Sayle <roger@eyesopen.com>
14351 PR tree-optimization/26361
14352 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14353 of unsigned integer types.
14355 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14357 * tree-chrec.c (eq_evolutions_p): New.
14358 * tree-chrec.h (eq_evolutions_p): Declared.
14359 * tree-data-ref.c: Fix formatting.
14360 (datadep_stats, dependence_stats): New.
14362 (print_direction_vector): New.
14363 (dump_data_dependence_relation): Use print_direction_vector.
14364 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14365 (compute_subscript_distance): Static.
14366 (initialize_data_dependence_relation): Static. Get the number
14367 of loops surrounding the references from the callers, and initialize
14368 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14369 base_object_differ_p analyzers.
14370 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14371 compute_overlap_steps_for_affine_1_2,
14372 analyze_subscript_affine_affine): Count the classified dependences.
14373 Print a message when a test failed.
14374 (can_use_analyze_subscript_affine_affine): New.
14375 (analyze_siv_subscript): Compute the data dependences on symbolic
14376 scevs that verify can_use_analyze_subscript_affine_affine.
14377 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14378 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14379 Handle symbolic scevs.
14380 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14382 (subscript_dependence_tester): Moved...
14383 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14384 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14385 DDR_SIZE_VECT instead of getting it in parameter.
14386 (subscript_dependence_tester): ... here. Take as a parameter
14387 loop_nest_depth. Call build_classic_dist_vector and
14388 build_classic_dir_vector.
14389 (compute_affine_dependence): Update subscript_dependence_tester
14390 parameters. Update datadep_stats counters. Call
14391 compute_subscript_distance.
14392 (compute_self_dependence): Save the dist and dir vectors. Call
14393 compute_subscript_distance.
14394 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14395 (compute_all_dependences): Reorder parameters as they were before
14396 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14397 compute_subscript_distance. Update the use of
14398 compute_affine_dependence and initialize_data_dependence_relation.
14399 (find_data_references_in_loop): Handle COMPONENT_REF.
14400 (compute_data_dependences_for_loop): Initialize dependence_stats.
14401 Don't call build_classic_dist_vector and build_classic_dir_vector.
14402 Update the parameters of initialize_data_dependence_relation and
14403 compute_all_dependences. Print the statistics from datadep_stats.
14404 (analyze_all_data_dependences): Static. Not used until the pass for
14405 checking the data dependences is contributed.
14406 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14407 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14408 (initialize_data_dependence_relation, compute_affine_dependence,
14409 analyze_all_data_dependences, compute_subscript_distance): Removed.
14410 (print_direction_vector): New.
14411 * lambda.h (gcd): ... here.
14412 (lambda_vector_gcd): Moved here from gcd_vector.
14413 * lambda-code.c (gcd, gcd_vector): Removed.
14414 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14415 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14417 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14419 * ipa-type-escape.c: Tidy some comments and white space.
14420 * tree-ssa-operands.c: Likewise.
14422 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14425 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14426 (dump_decl_name): Do not walk the decl tree chains.
14427 * tree-pass.h (TDF_CHAIN): Remove.
14429 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14431 * Makefile.in (C): Remove
14433 (.PHONY): Remove C and PROTO
14435 2006-02-20 Roger Sayle <roger@eyesopen.com>
14437 PR middle-end/26236
14438 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14439 deprecated CHAR_TYPE tree code.
14441 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14443 * configure.ac (target_list): Add install-info, dvi, html.
14444 * configure: Regenerate.
14446 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14447 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14448 treelang/Make-lang.in: Do not use double-colon rules.
14450 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14452 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14453 (TMT_USED_ALONE): New macro.
14454 * tree-pass.h (PROP_tmt_usage): New property.
14455 (TODO_update_tmt_usage): New todo.
14456 * tree-ssa-alias.c (updating_used_alone): New variable.
14457 (recalculate_used_alone): New function.
14458 (compute_may_aliases): Set updating_used_alone, call
14459 recalculate_used_alone.
14460 * tree-sra.c (pass_sra): Note that this pass destroys
14461 PROP_tmt_usage, and add TODO_update_tmt_usage.
14462 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14463 * tree-flow.h (updating_used_alone): Prototype.
14464 (recalculate_used_alone): Ditto.
14465 * passes.c (execute_todo): Add code to set updating_used_alone,
14466 and call recalculate.
14467 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14468 for clobber if used alone, and add assert to verify used_alone
14471 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14473 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14474 for non tls symbols added.
14475 (legitimize_address): Do nothing for PLUS expressions if one of the
14476 addends is a tls symbol reference.
14478 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14482 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14484 * Makefile.in (BOOTSTRAPPING): New.
14485 (quickstrap): New definition if BOOTSTRAPPING=yes.
14487 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14488 * configure.ac: Substitute all_selected_languages with the languages
14489 that were configured. For all the other variables except
14490 lang_specs_files, include all the languages in the tree.
14491 * configure: Regenerate.
14493 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14494 if there is one. Run the commands to run fixincludes in the same
14497 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14498 * doc/install.texi: Document exact conventions for searching target tools.
14499 Document --with-build-time-tools. Document toplevel bootstrap. Document
14500 something more about building an Ada cross-compiler. Don't list GNU Make
14501 requirements which affect all platforms.
14503 2006-02-19 Roger Sayle <roger@eyesopen.com>
14505 PR middle-end/19543
14506 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14507 only equivalent if the have both the same mode and precision.
14509 2006-02-20 Ben Elliston <bje@au.ibm.com>
14511 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14513 2006-02-19 Roger Sayle <roger@eyesopen.com>
14514 Steven Bosscher <stevenb.gcc@gmail.com>
14516 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14517 constant pool references to identify stack mode constants.
14518 * rtlanal.c (constant_pool_constant_p): New predicate to check
14519 whether operand is a floating point constant in the pool.
14520 * rtl.h (constant_pool_constant_p): Prototype here.
14521 * loop.c (scan_loop): Avoid hoisting constants from the constant
14522 pool on STACK_REGS targets.
14523 (load_mems): Likewise.
14524 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14525 loads into x87 registers expensive in terms of register pressure.
14527 2006-02-19 Roger Sayle <roger@eyesopen.com>
14529 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14530 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14532 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14534 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14535 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14537 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14539 * doc/invoke.texi: Document -fipa-pta.
14540 * common.opt: Add ipa-pta option.
14541 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14542 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14543 (do_ds_constraint): Ditto.
14544 (get_constraint_for): Only add to referenced_vars if
14545 referenced_vars exists.
14546 (insert_into_field_list): Rewrite to do this unsorted.
14547 (insert_into_field_list_sorted): Rename old insert_into_field_list
14549 (create_function_info_for): Use insert_into_field_list_sorted.
14550 (create_variable_info_for): Rewrite so it uses unsorted version,
14551 since the field list is sorted.
14552 (intra_create_variable_infos): Only add to referenced_vars if
14553 referenced_vars exists.
14554 (ipa_pta_execute): Init heapvars, and delete when done.
14555 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14557 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14559 * doc/install.texi: Add missing `@samp'.
14561 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14563 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14566 2006-02-18 Mark Wielaard <mark@klomp.org>
14568 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14569 who added new 4.1 features, bug fixes and integration support.
14571 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14574 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14575 MEM for ABI_V4 pic.
14577 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14579 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14580 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14581 (copy_insn_1): Likewise. Don't copy each field individually.
14583 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14585 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14586 * rtl.c (rtx_size): Rename variable to...
14587 (rtx_code_size): ...this.
14588 (rtx_size): New function.
14589 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14590 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14592 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14593 * rtl.h (rtx_code_size): New variable.
14594 (rtx_size): Change from a variable to a function.
14595 (RTX_SIZE): Rename to...
14596 (RTX_CODE_SIZE): ...this.
14599 PR tree-optimization/17106
14600 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14601 (Anchored Addresses): New section.
14602 * doc/invoke.texi (-fsection-anchors): Document.
14603 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14604 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14605 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14606 * hooks.c (hook_bool_mode_rtx_false): New function.
14607 * hooks.h (hook_bool_mode_rtx_false): Declare.
14608 * gengtype.c (create_optional_field): New function.
14609 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14610 SYMBOL_REF_IN_BLOCK_P is true.
14611 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14612 (min_anchor_offset, max_anchor_offset): Likewise.
14613 (use_anchors_for_symbol_p): New hook.
14614 * toplev.c (compile_file): Call output_object_blocks.
14615 (target_supports_section_anchors_p): New function.
14616 (process_options): Check that -fsection-anchors is only used on
14617 targets that support it and when -funit-at-a-time is in effect.
14618 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14619 if the decl doesn't have one.
14620 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14621 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14622 of force_const_mem through use_anchored_address.
14623 (expand_expr_constant): New function.
14624 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14625 calling expand_expr for INDIRECT_REF.
14626 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14627 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14628 * expr.h (use_anchored_address): Declare.
14629 * loop-unroll.c: Don't declare rtx vectors here.
14630 * explow.c: Include output.h.
14631 (validize_mem): Call use_anchored_address.
14632 (use_anchored_address): New function.
14633 * common.opt (-fsection-anchors): New switch.
14634 * varasm.c (object_block_htab, anchor_labelno): New variables.
14635 (hash_section, object_block_entry_eq, object_block_entry_hash)
14636 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14637 (use_blocks_for_decl_p, change_symbol_section): New functions.
14638 (get_variable_section): New function, split out from assemble_variable.
14639 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14640 use_blocks_for_decl_p say so. Use change_symbol_section if the
14641 symbol has already been created.
14642 (assemble_variable_contents): New function, split out from...
14643 (assemble_variable): ...here. Don't output any code for
14644 block symbols; just pass them to place_block_symbol.
14645 Use get_variable_section and assemble_variable_contents.
14646 (get_constant_alignment, get_constant_section, get_constant_size): New
14647 functions, split from output_constant_def_contents.
14648 (build_constant_desc): Create a block symbol if use_object_blocks_p
14649 says so. Or into SYMBOL_REF_FLAGS.
14650 (assemble_constant_contents): New function, split from...
14651 (output_constant_def_contents): ...here. Don't output any code
14652 for block symbols; just pass them to place_section_symbol.
14653 Use get_constant_section and get_constant_alignment.
14654 (force_const_mem): Create a block symbol if use_object_blocks_p and
14655 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14656 (output_constant_pool_1): Add an explicit alignment argument.
14657 Don't switch sections here.
14658 (output_constant_pool): Adjust call to output_constant_pool_1.
14659 Switch sections here instead. Don't output anything for block symbols;
14660 just pass them to place_block_symbol.
14661 (init_varasm_once): Initialize object_block_htab.
14662 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14663 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14664 (place_block_symbol, get_section_anchor, output_object_block)
14665 (output_object_block_htab, output_object_blocks): New functions.
14666 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14667 (TARGET_ASM_OUT): Include it.
14668 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14669 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14670 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14671 (TARGET_INITIALIZER): Include them.
14672 * rtl.c (rtl_check_failed_block_symbol): New function.
14673 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14674 (block_symbol, object_block): New structures.
14675 (rtx_def): Add a block_symbol field to the union.
14676 (BLOCK_SYMBOL_CHECK): New macro.
14677 (rtl_check_failed_block_symbol): Declare.
14678 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14679 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14680 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14681 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14682 * output.h (output_section_symbols): Declare.
14683 (object_block): Name structure.
14684 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14685 (default_use_anchors_for_symbol_p): Declare.
14686 * Makefile.in (RTL_BASE_H): Add vec.h.
14687 (explow.o): Depend on output.h.
14688 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14689 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14690 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14691 (rs6000_use_blocks_for_constant_p): New function.
14693 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14695 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14697 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14700 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14703 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14705 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14709 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14711 PR middle-end/26334
14712 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14713 instead of DECL_REGISTER.
14715 2006-02-18 Olivier Hainque <hainque@adacore.com>
14718 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14720 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14723 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14724 * opth-gen.awk: Handle Var and InverseMask together.
14725 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14726 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14727 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14728 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14730 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14731 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14732 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14733 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14734 LINUX_DYNAMIC_LINKER): Define.
14735 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14736 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14738 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14739 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14740 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14741 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14742 (TARGET_C99_FUNCTIONS): Don't define.
14743 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14744 GLIBC_DYNAMIC_LINKER.
14745 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14746 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14747 GLIBC_DYNAMIC_LINKER64): Define.
14748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14749 LINUX_DYNAMIC_LINKER64.
14750 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14751 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14752 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14753 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14754 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14756 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14757 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14758 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14759 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14760 and LINUX_DYNAMIC_LINKER32.
14761 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14763 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14765 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14767 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14768 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14769 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14770 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14771 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14772 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14773 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14774 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14775 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14776 LINUX_DYNAMIC_LINKER): Define.
14777 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14778 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14779 GLIBC_DYNAMIC_LINKER64): Define.
14780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14781 LINUX_DYNAMIC_LINKER64.
14782 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14783 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14784 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14785 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14786 LINUX_DYNAMIC_LINKER): Define.
14787 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14788 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14789 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14790 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14791 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14792 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14793 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14794 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14795 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14796 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14797 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14798 * doc/invoke.texi (-muclibc): Remove caveat about supported
14801 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14803 * doc/cpp.texi (__TIMESTAMP__): Document.
14805 2006-02-17 Roger Sayle <roger@eyesopen.com>
14807 PR middle-end/25600
14808 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14809 C is one less than the width of X (and related transformations).
14810 * simplify-rtx.c (simplify_unary_operation_1): Transform
14811 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14812 depending on STORE_FLAG_VALUE, were C is one less then the
14815 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14817 Fix PR tree-optimization/26341
14818 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14819 about NAME_MEMORY_TAG's.
14821 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14824 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14825 with hardware float support, and software float support. Add fcpy
14826 alternative to hardware patterns. Add alternatives to copy between
14827 general and floating-point registers to the 32-bit pattern.
14828 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14829 secondary reload to load a QI or HI mode constant into a floating
14831 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14832 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14834 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14837 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14839 (load_macho_picbase_di): Likewise.
14841 2006-02-16 Jeff Law <law@redhat.com>
14843 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14844 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14845 (ssa_name_nonzero_p): Likewise.
14846 (get_value_range): Return NULL if VRP is not running.
14847 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14848 VRP routines do not discover a range.
14849 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14850 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14851 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14852 (tree_expr_nonnegative_p): Similarly.
14853 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14854 (restore_nonzero_vars_to_original_value): Remove.
14855 (unsafe_associative_fp_binop): Remove.
14856 (tree_ssa_dominator_optimize): Remove initialization and
14857 finalization of nonzero_vars and nonzero_vars_stack.
14858 (dom_opt_initialize_block): No longer push marker on
14859 nonzero_vars_stack.
14860 (dom_opt_finalize_block): No longer call
14861 restore_nonzero_vars_to_original_value.
14862 (record_equivalences_from_phis): No longer look for
14863 nonzero PHI arguments.
14864 (cprop_into_successor_phis): No longer propagate nonzero
14865 property into PHI arguments. Lose unused argument. Caller
14867 (record_equivalences_from_stmt): No longer record nonzero
14868 values for SSA_NAMEs.
14869 (lookup_avail_expr): No longer use nonzero_vars.
14871 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14872 for sizetype when sizetype is unsigned.
14874 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14876 PR rtl-optimization/25603
14877 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14878 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14879 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14880 with new meaning of SETS.
14882 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14887 * config/linux.opt: New file.
14888 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14889 LINUX_DYNAMIC_LINKER): Define.
14890 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14891 * config.gcc (*-*-linux*): Define extra_options.
14892 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14893 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14894 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14895 GLIBC_DYNAMIC_LINKER.
14896 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14897 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14898 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14900 * doc/invoke.texi (GNU/Linux Options): New section.
14902 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14904 * config/sparc/sparc.md (setjmp): Rewrite.
14905 (setjmp_32): Delete.
14906 (setjmp_64): Likewise.
14908 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14910 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14913 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14915 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14918 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14920 PR rtl-optimization/26296
14921 * Makefile.in (loop-invariant.c): Add except.h dependency.
14922 * loop-invariant.c: Include except.h.
14923 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14925 2005-02-16 Paul Brook <paul@codesourcery.com>
14927 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14930 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14932 PR rtl-optimization/25636
14933 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14934 when deciding whether an insn is an initializing insn.
14936 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14938 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14939 (tree_code_size): Ditto.
14940 * tree.h (struct tree_memory_tag): Remove parent_var.
14941 (struct tree_struct_field_tag): New.
14944 (union tree_node): Add sft member.
14945 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14947 (create_sft): Add size and offset argument, set SFT_OFFSET and
14949 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14950 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14951 * tree-flow-inline.h (get_subvar_at): Update for
14952 SFT_OFFSET/SFT_SIZE.
14953 (var_can_have_subvars): Ditto.
14954 (overlap_subvar): Ditto.
14955 * print-tree.c (print_node): Print out interesting things for
14957 * tree-flow.h (struct subvar): Remove offset and size members.
14958 * tree-ssa-operands.c (get_expr_operands): Update for
14959 get_indirect_ref_operands changes.
14960 (get_indirect_ref_operands): Call add_virtual_operand instead of
14961 add_stmt_operand. Only recurse on base var if requested.
14962 (access_can_touch_variable): New function.
14963 (add_stmt_operand): Split virtual operand handling into ...
14964 (add_virtual_operand): Here. Add offset, size, and for_clobber
14965 arguments. Prune alias sets.
14966 (add_call_clobber_ops): Call add_virtual_operand.
14968 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14970 PR middle-end/26300
14971 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14973 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14974 than TREE_CODE as index into omp_clause_num_ops array.
14976 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14978 PR rtl-optimization/26184
14979 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14981 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14982 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14983 must_precede, must_follow and tobe_scheduled.
14986 * opts.c (common_handle_option): Free new_option pointer.
14987 * df-core.c (df_analyze): Free postorder pointer.
14989 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14991 * Makefile.in: Fix the examples about the use of stamps
14993 2006-02-15 Michael Matz <matz@suse.de>
14995 PR middle-end/22275
14997 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14998 influenced by maximum_field_alignment or DECL_PACKED.
14999 (update_alignment_for_field): Ditto.
15000 (place_field): Ditto.
15001 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15004 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15006 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15007 (debug_flow_info): Pass it.
15008 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15009 * bb-reorder.c (reorder_basic_blocks): Likewise.
15010 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15011 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15012 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15013 * gcse.c (gcse_main, bypass_jumps): Likewise.
15014 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15015 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15016 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15017 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15018 * rtl.h (dump_flow_info): Adjust prototype.
15019 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15020 * var-tracking.c (variable_tracking_main): Likewise.
15021 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15022 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15025 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15027 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15030 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15032 PR tree-optimization/26209
15033 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15034 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15036 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15038 2006-02-14 Roger Sayle <roger@eyesopen.com>
15040 PR middle-end/23670
15041 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15042 (X,Y) and the corresponding symmetry related transformations.
15043 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15044 (X,Y) and its symmetry related transformations.
15046 2006-02-14 Roger Sayle <roger@eyesopen.com>
15048 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15051 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15053 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15055 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15058 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15059 support COMDAT group.
15060 * configure: Regenerate.
15062 2006-02-14 Roger Sayle <roger@eyesopen.com>
15064 PR middle-end/26279
15065 PR middle-end/26280
15066 PR middle-end/26283
15067 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15069 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15071 Fix PR tree-optimization/26260
15073 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15075 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15076 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15077 * tree-ssa-structalias.c (create_variable_info_for): Use
15078 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15080 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15082 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15084 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15085 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15086 of the ending condition.
15087 * tree-ssa-loop-manip.c: Include params.h.
15088 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15089 tree_unroll_loop): New functions.
15090 * tree-pass.h (pass_loop_prefetch): Declare.
15091 * loop.c (rest_of_handle_loop_optimize): Test for
15092 -fprefetch-loop-arrays-rtl.
15093 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15094 * timevar.def (TV_TREE_PREFETCH): New timevar.
15095 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15096 pass_loop_prefetch): New.
15097 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15098 (cleanup_tree_cfg_loop): Call scev_reset.
15099 * common.opt (fprefetch-loop-arrays-rtl): Add.
15100 * tree-ssa-loop-prefetch.c: New file.
15101 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15102 (new_temp_expr_table): Initialize expr_vars.
15103 (free_temp_expr_table): Cleanup expr_vars.
15104 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15105 expressions from being merged into one.
15106 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15107 (struct tree_niter_desc): Add control, bound and cmp fields.
15108 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15110 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15111 (tree-cfgcleanup.o): Add SCEV_H dependency.
15112 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15113 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15115 2006-02-14 Richard Guenther <rguenther@suse.de>
15117 PR tree-optimization/26258
15118 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15119 in PHI argument processing.
15121 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15123 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15124 new expression in the requested machine mode.
15126 2006-02-13 Roger Sayle <roger@eyesopen.com>
15128 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15129 directly, instead let do_compare_rtx_and_jump handle this for us.
15130 * expr.c (expand_expr_real_1): Likewise.
15131 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15132 before do_jump_by_parts_greater.
15133 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15134 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15136 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15138 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15140 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15142 PR rtl-optimization/26235
15143 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15144 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15147 2006-02-13 Jeff Law <law@redhat.com>
15149 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15152 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15154 PR middle-end/26092
15155 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15156 twice if decl is a builtin. When trying again, call get_callee_fndecl
15157 first to verify it is still a builtin.
15159 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15161 * dwarf2out.c (base_type_die): Don't add AT_name here.
15162 (subrange_type_die): Don't add AT_name here.
15163 (modified_type_die): Rearrange code flow. Do add AT_name here.
15165 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15167 PR rtl-optimization/26247
15168 PR rtl-optimization/26248
15169 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15171 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15173 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15174 * config/fixtfdi.c: Likewise.
15175 * config/fixunstfdi.c: Likewise.
15176 * config/floatditf.c: Likewise.
15178 2006-02-13 Roger Sayle <roger@eyesopen.com>
15180 PR middle-end/24427
15181 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15182 into (X,C2) if C1 is a subset of the bits of C2. Transform
15183 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15185 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15187 2006-02-13 Josh Conner <jconner@apple.com>
15190 * varasm.c (function_section): Check for section name before
15191 calling select_section on targets that define
15192 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15193 unlikely_text_section instead of hot_function_section if
15194 first_function_block_is_cold.
15196 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15198 PR middle-end/25335
15199 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15201 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15203 PR rtl-optimization/26222
15204 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15205 after tree->rtl expansion.
15206 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15207 before passing it to emit_move_insn.
15209 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15211 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15213 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15214 Clarify documentation.
15215 * c-common.h (warn_write_strings): Remove.
15216 * c-common.c (warn_write_strings): Likewise.
15217 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15220 2006-02-12 Roger Sayle <roger@eyesopen.com>
15222 PR middle-end/25724
15223 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15224 (do_jump_parts_zero_rtx): New function renamed from
15225 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15226 (do_jump_parts_equality_rtx): New function split out from
15227 do_jump_parts_equality. Old implementation renamed as above.
15228 Call do_jump_parts_zero_rtx if either operand is zero.
15229 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15230 do all of the heavy lifting.
15231 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15232 calling either do_jump_by_parts_greater_rtx or
15233 do_jump_by_parts_equality_rtx.
15234 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15235 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15236 moved to do_compare_rtx_and_jump, call it directly.
15237 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15238 mode argument. Call do_compare_rtx_and_jump.
15239 (emit_case_nodes): Update calls to do_jump_if_equal.
15241 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15243 PR rtl-optimization/26225
15244 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15246 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15248 PR rtl-optimization/26232
15249 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15251 2006-02-11 Jason Merrill <jason@redhat.com>
15254 * tree-inline.c (declare_return_variable): Just don't use the
15255 modify target if it's a gimple complex reg and the return slot
15258 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15260 * doc/contrib.texi: Update my entry.
15262 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15264 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15266 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15268 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15271 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15273 * doc/invoke.texi (-floop-optimize2): Removed.
15274 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15275 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15276 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15277 * common.opt (floop-optimize2): Removed.
15278 (fmove-loop-invariants): Enabled by default.
15280 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15282 * tree-if-conv.c (combine_blocks): Free the result of
15283 get_loop_exit_edges.
15285 2006-02-10 Jeff Law <law@redhat.com>
15287 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15289 PR tree-optimization/26213
15290 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15291 loop trying to follow SSA_NAME_VALUE chains.
15293 2006-02-10 Richard Guenther <rguenther@suse.de>
15295 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15296 deal with structures that end in implicitly variable sized arrays.
15298 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15300 PR rtl-optimization/24762
15301 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15304 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15306 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15307 (struct ivopts_data): Add regs_used field.
15308 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15309 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15310 instead of loop_data->regs_used;
15311 (free_loop_data): Do not free aux fields for loops.
15312 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15313 and tree_ssa_iv_optimize_finalize.
15315 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15317 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15319 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15322 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15323 computing the effective result type.
15325 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15327 PR inline-asm/16194
15328 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15329 (tree_overlaps_hard_reg_set): Declare.
15330 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15331 type and signature to match function type expected by walk_tree.
15332 (tree_overlaps_hard_reg_set): New function.
15333 (decl_conflicts_with_clobbers_p): Rename to:
15334 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15335 Use tree_overlaps_hard_reg_set. Changed caller.
15336 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15337 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15338 * cris.c (cris_md_asm_clobbers): Likewise.
15340 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15342 * reload1.c (emit_input_reload_insns): Delete code that tries to
15343 inherit using find_equiv_reg.
15345 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15347 * c-common.h (flag_const_strings): Don't declare.
15348 * c-common.c (flag_const_strings): Remove.
15349 * c.opt (fconst_strings): Remove.
15350 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15351 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15352 (c_common_init_options): Don't set flag_const_strings.
15353 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15355 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15357 * arm.md (tlobits_cbranch): New pattern.
15358 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15359 testing a single bit.
15361 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15364 * tree-ssa-pre.c (create_component_ref_by_pieces):
15365 Handle RETURN_DECL like VAR_DECL.
15367 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15369 PR middle-end/26134
15370 * fold-const.c (fold_indirect_ref_1): Fold
15371 "*(foo *)&complexfoo" to "__real__ complexfoo"
15372 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15374 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15376 * tree-flow-inline.h (var_can_have_subvars):
15377 Volatile variables should not have subvariables.
15379 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15382 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15383 multiplying unsigned values.
15386 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15388 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15390 2006-02-08 Jason Merrill <jason@redhat.com>
15393 * tree.def: Elaborate on difference from MODIFY_EXPR.
15394 * doc/c-tree.texi (INIT_EXPR): Likewise.
15395 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15396 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15397 (gimplify_target_expr): Likewise.
15398 (gimplify_cond_expr): Remove target handling.
15399 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15400 (gimplify_expr): Clobber it here.
15401 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15402 Do return slot optimization if we have an INIT_EXPR.
15405 * tree-inline.c (declare_return_variable): Also clear
15406 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15409 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15411 PR middle-end/22439
15412 * gimplify.c (gimplify_one_sizepos): Fix typo.
15414 2006-02-08 Jeff Law <law@redhat.com>
15416 PR tree-optimization/21417
15417 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15418 across a backedge if the control statement at the end of the
15419 block is data dependent on other statements in the same block.
15420 (record_temporary_equivalences_from_stmts): Remove over-conservative
15421 test for threading across backedges.
15423 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15424 control statement, handle all three special cases in the same
15425 manner as they all have the same desired solution. No longer
15426 special case edge flag updating when the post dominator is
15429 2006-02-08 Roger Sayle <roger@eyesopen.com>
15431 * tree.def (CHAR_TYPE): Remove.
15432 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15433 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15434 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15435 (gen_string_type_die): Delete unreachable function.
15437 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15438 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15439 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15440 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15441 * builtins.c (type_to_class): Likewise.
15442 * fold-const.c (fold_convert, build_range_check,
15443 merge_ranges): Likewise.
15444 * expr.c (count_type_elements): Likewise.
15445 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15446 * stor-layout.c (layout_type): Likewise.
15447 * ipa-type-escape.c (type_to_consider): Likewise.
15448 * gimplify.c (omp_firstprivatize_type_sizes,
15449 gimplify_type_sizes): Likewise.
15450 * explow.c (promote_mode): Likewise.
15451 * tree-sra.c (is_sra_scalar_type): Likewise.
15452 * varasm.c (output_constant): Likewise.
15453 * tree-inline.c (remap_type_1): Likewise.
15454 * convert.c (convert_to_pointer, convert_to_real,
15455 convert_to_integer, convert_to_complex): Likewise.
15457 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15459 * df-scan.c (df_def_record_1): A set destination may
15460 be a parallel regardless of mode.
15462 2006-02-08 Roger Sayle <roger@eyesopen.com>
15465 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15466 * config/mips/_tilib.c: Remove.
15467 * config/fixtfdi.c: New libgcc source file.
15468 * config/fixunstfdi.c: New source file.
15469 * config/floatditf.c: New source file.
15470 * config/floatunditf.c: New souce file.
15471 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15472 files above instead of config/mips/_tilib.c.
15473 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15475 2006-02-08 Jeff Law <law@redhat.com>
15477 PR tree-optimization/26169
15478 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15481 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15483 * df.h (DF_REG_SIZE): Return the length of the initialized
15486 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15488 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15489 __muldf3): Return a correctly signed zero.
15491 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15493 * passes.c (register_one_dump_file): Accept the current properties
15494 instead of pass number. Adjust call to dump_register. Remove
15496 (register_dump_files): Now a wrapper around...
15497 (register_dump_files_1): ... this one. Do not modify the pass
15499 (next_pass_1): Cosmetic fix.
15500 (execute_todo): Keep second parameter only. Use curr_properties
15501 instead of fetching it from the pass structure. Check and set
15503 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15504 instead of fetching it from the pass structure. Fix calls to
15505 execute_todo. Update curr_properties and initialize .vcg RTL dump
15506 after running the pass. Reset last_verified.
15507 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15509 (FIRST_AUTO_NUMBERED_DUMP): New.
15510 (dump_register): Remove "num" parameter, assign it within the
15512 (get_dump_file_name): Modify template for dumps.
15513 * tree-dump.h (dump_register): Adjust prototype.
15514 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15515 (PROP_trees): Add PROP_gimple_lomp.
15516 (TODO_set_props): New.
15517 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15518 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15519 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15521 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15523 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15524 (sparc64-*-linux*): Likewise.
15525 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15526 * config/sparc/t-linux: New file.
15527 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15528 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15529 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15530 -m32 -mlong-double-128.
15532 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15533 * config/alpha/t-linux: New file.
15534 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15536 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15537 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15538 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15539 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15540 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15541 (CPP_ARCH32_SPEC): Remove.
15543 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15545 PR tree-optimization/26145
15546 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15549 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15552 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15553 >= 240000 when generating code for SOM runtime.
15554 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15555 to $$dyncall when generating code for SOM runtime..
15557 2006-02-07 Dirk Mueller <dmueller@suse.com>
15560 * doc/invoke.texi (-Wsequence-point): Update documentation
15561 that -Wsequence-point is implemented for C++ as well.
15563 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15565 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15566 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15567 (LIB_SPEC): Likewise.
15568 * doc/invoke.texi (SPARC options): Document -pthread.
15570 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15572 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15575 2006-02-07 Roger Sayle <roger@eyesopen.com>
15577 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15578 Correct comment describing BOOLEAN_TYPE.
15580 2006-02-07 Dirk Mueller <dmueller@suse.com>
15582 * c.opt: C++ frontend supports -Wdiv-by-zero.
15583 * c-opts.c (c_common_handle_option): Remove dead case.
15585 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15587 * configure.ac (TLS assembler check): Do not enable TLS by
15588 default on SPARC/Solaris before version 10.
15589 * configure: Regenerate.
15591 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15593 * doc/invoke.texi (xl-compat): Document conversion and support
15596 2006-02-07 Jeff Law <law@redhat.com>
15598 * tree-vrp.c (find_conditional_asserts): Update comments.
15599 (simplify_stmt_for_jump_threading): New.
15600 (identify_jump_threads, finalize_jump_threads): New.
15601 (vrp_finalize): Call identify_jump_threads.
15602 (execute_vrp): Call finalize_jump_threads.
15603 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15604 (vrp_element, vrp_data, vrp_element_p): Remove.
15605 (vrp_hash_elt, vrp_variables_stack): Remove.
15606 (vrp_hash, vrp_eq, record_range): Remove.
15607 (simplify_cond_and_lookup_avail_expr): Remove.
15608 (extract_range_from_cond): Remove.
15609 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15610 (simplify_stmt_for_jump_threading): New.
15611 (dom_thread_across_edge): New wrapper.
15612 (tree_ssa_dominator_optimize): No longer initialize or
15613 finalize any of the VRP datastructures. Remove iteration
15614 step and simplify as a result of removal of iteration step.
15615 (pass_dominator): Perform a cfg cleanup after DOM.
15616 (dom_opt_finalize_block): Use the new common routines
15617 for threading jumps. Simplify stack management slightly.
15618 No longer need to unwind VRP state.
15619 (record_equivalences_from_incoming_edge): No longer record
15621 (eliminate_redundant_computations): No longer call
15622 simplify_cond_and_lookup_avail_expr.
15623 * tree-flow.h (potentially_threadable_block): Prototype.
15624 (thread_across_edge): Likewise.
15625 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15626 (tree-ssa-threadedge.o): Add dependencies.
15627 * tree-ssa-threadedge.c: New file.
15628 * passes.c (init_optimization_passes): Merge PHIs before
15629 calling VRP. Run VRP again late in the SSA optimization pipeline.
15631 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15633 * df-core.c (df_set_blocks): Do not dereference function pointers.
15634 (df_finish1): Likewise.
15635 (df_hybrid_search_forward): Likewise.
15636 (df_hybrid_search_backward): Likewise.
15637 (df_iterative_dataflow): Likewise.
15638 (df_analyze_problem): Likewise.
15639 (df_compact_blocks): Likewise.
15640 (df_dump): Likewise.
15641 * df-scan.c (df_rescan_blocks): Likewise.
15642 (df_record_entry_block_defs): Likewise.
15644 * genconditions.c (write_conditions): Guard the definition of
15645 'insn_conditions' with the check on GCC version.
15646 (write_writer): Guard the traversal 'insn_conditions' with
15647 the check on GCC version.
15649 2006-02-07 Richard Guenther <rguenther@suse.de>
15653 2006-01-30 Richard Guenther <rguenther@suse.de>
15655 * gimplify.c (gimplify_target_expr): Handle easy cases
15656 without creating a temporary.
15658 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15660 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15661 use of float in probability computations. Use edge probabilities
15662 in place of statically computed probabilities.
15663 (min_spec_prob): New static variable.
15664 (schedule_insns): Initialize it.
15665 (GET_SRC_PROB): Removed.
15666 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15668 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15671 * config/ia64/unwind-ia64.c: Revert last change.
15672 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15673 (INCOMING_FRAME_SP_OFFSET): Define.
15675 2006-02-06 Roger Sayle <roger@eyesopen.com>
15677 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15679 2006-02-07 Ben Elliston <bje@au.ibm.com>
15681 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15682 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15683 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15684 (ix86_return_in_memory): Handle TDmode.
15685 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15686 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15688 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15690 * reorg.c (dbr_schedule): Use dump_file instead of file.
15692 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15695 * config/ia64/predicates.md (extr_len_operand): New predicate.
15696 * config/ia64/ia64.md (extv): Tighten constraints.
15698 (*tbit_and_2): Ditto.
15699 (*tbit_and_3): Ditto.
15700 (*tbit_or_2): Ditto.
15701 (*tbit_or_3): Ditto.
15702 (*bit_zero): Ditto.
15705 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15708 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15710 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15712 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15713 loop_optimizer_init and loop_optimizer_finalize
15714 * tree-ssa-sink.c (execute_sink_code): Ditto.
15715 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15716 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15717 tree_ssa_loop_done): Ditto.
15718 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15719 * sched-ebb.c: Include output.h.
15720 (schedule_ebbs): Do not use dump argument.
15721 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15722 * loop.c (loop_dump_stream): Removed.
15723 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15725 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15726 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15727 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15728 loop_iterations, strength_reduce, record_biv, record_giv,
15729 final_giv_value, check_final_value, check_ext_dependent_givs,
15730 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15731 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15732 dump_file instead of loop_dump_stream.
15733 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15734 argument dump_file.
15735 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15737 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15738 * haifa-sched.c: Include output.h
15739 (schedule_insns, sched_init): Do not use dump argument.
15740 * mode-switching.c (optimize_mode_switching): Ditto.
15741 * modulo-sched.c (stats_file): Removed.
15742 (print_node_sched_params): Do not call argument dump_file.
15743 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15744 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15746 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15748 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15749 rtl_loop_init, rtl_loop_done): Ditto.
15750 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15751 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15753 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15754 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15755 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15756 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15757 * emit-rtl.c (renumber_insns): Ditto.
15758 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15759 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15760 * regclass.c (regclass): Ditto.
15761 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15762 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15763 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15764 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15766 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15767 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15769 * gcse.c (gcse_file, debug_stderr): Removed.
15770 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15771 rest_of_handle_gcse): Do not use dump argument.
15772 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15773 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15774 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15775 compute_code_hoist_vbeinout, compute_code_hoist_data,
15776 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15777 compute_store_table, build_store_vectors, insert_insn_start_bb,
15778 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15779 store_motion): Use dump_file instead of gcse_file.
15780 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15781 * profile.c (profile_dump_file): Removed.
15782 (branch_prob): Use dump_file instead of profile_dump_file.
15783 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15785 * tree-ssa-copy.c (dump_copy_of): Ditto.
15786 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15787 dump file to life_analysis.
15788 * bt-load.c (branch_target_load_optimize): Ditto.
15789 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15791 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15792 regclass, dbr_schedule): Declaration changed.
15793 * sched-int.h (sched_init): Declaration changed.
15794 * tree-profile.c (tree_profile_dump_file): Removed.
15795 (tree_profile_hooks): Removed profile_dump_file hook.
15796 * rtl-profile (rtl_profile_dump_file): Removed.
15797 (rtl_profile_hooks): emoved profile_dump_file hook.
15798 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15800 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15801 * tree-cfg.c (build_tree_cfg): Ditto.
15802 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15803 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15804 Declaration changed.
15805 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15806 life_analysis and schedule_insns.
15807 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15809 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15811 * config/mips/mips.c (mips_reorg): Ditto.
15812 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15815 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15817 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15818 (s390_mangle_fundamental_type): New.
15819 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15822 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15823 (alpha_mangle_fundamental_type): New.
15824 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15827 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15829 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15831 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15832 (sparc_mangle_fundamental_type): New.
15834 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15836 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15837 (s390x-*-linux*): Likewise.
15838 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15839 * config/s390/t-linux: New file.
15841 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15843 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15844 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15846 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15848 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15849 (ANTIC_SAFE_LOADS): New macro.
15850 (find_or_generate_expression): Add prototype.
15851 (set_contains_value): Allow null set for sake of not always having
15852 to allocate ANTIC_SAFE_LOADS.
15853 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15854 Allow COMPONENT_REF too.
15855 (valid_in_set): Allow COMPONENT_REF.
15856 Check ANTIC_SAFE_LOADS too.
15857 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15858 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15860 (can_PRE_operation): Add COMPONENT_REF.
15861 (create_component_ref_by_pieces): New function.
15862 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15863 (insert_aux): Move AGGREGATE_TYPE_P check here.
15864 (compute_avail): Set bb local stmt uids.
15865 (pass_pre): Use TODO_update_ssa_only_virtuals.
15867 2006-02-06 Ben Elliston <bje@au.ibm.com>
15869 * configure.ac: Unconditionally disable decimal float by default.
15870 * configure: Regenerate.
15872 2006-02-06 Ben Elliston <bje@au.ibm.com>
15874 * read-rtl.c (read_name): Terminate reading on EOF.
15876 2006-02-06 Ben Elliston <bje@au.ibm.com>
15878 * dfp.c (decimal_real_arithmetic): Change second argument type
15879 from int to enum tree_code. Do not always return true, but now
15880 return result of any call to decimal_do helper functions.
15881 * dfp.h (decimal_real_arithmetic): Update prototype.
15883 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15885 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15887 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15890 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15893 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15895 * tree-vrp.c (cfg_loops): Removed.
15896 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15897 Use current_loops instead of cfg_loops. Pass flags to
15898 loop_optimizer_init.
15899 * cfgloopmanip.c (fix_loop_structure): Update only available
15901 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15902 loop_optimizer_init.
15903 * modulo-sched.c (build_loops_structure): Removed.
15904 (sms_schedule): Use loop_optimizer_init.
15905 * loop-init.c (loop_optimizer_init): Use flags to determine
15906 which properties of loops to prepare.
15907 (rtl_loop_init): Pass flags to loop_optimizer_init.
15908 * tree-ssa-sink.c (execute_sink_code): Ditto.
15909 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15910 * tree-ssa-pre.c (init_pre): Ditto.
15911 * cfgloop.h (LOOPS_NORMAL): New.
15912 (loop_optimizer_init): Declaration changed.
15914 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15916 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15917 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15919 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15921 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15923 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15924 * pa/t-pa64: Delete quadlib.c rule.
15925 * pa/x-ada: Revert last change.
15926 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15928 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15930 PR rtl-optimization/26087
15931 * rtlanal.c (canonicalize_condition): Do not cross basic block
15934 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15937 * config/ia64/ia64.c: Include debug.h.
15938 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15939 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15940 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15941 (process_epilogue, process_set, process_for_unwind_directive):
15942 Output unwind info only if requested. Add CFA info if requested.
15943 Add new arguments as needed. Adjust callers.
15944 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15946 (DWARF2_FRAME_INFO): Define to zero.
15947 * config/ia64/unwind-ia64.c: Remove code that compensated for
15948 the CFA offset error fixed above.
15949 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15950 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15951 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15952 -funwind-tables and -fexceptions to enable frame info.
15953 (dwarf2out_frame_init): Define initial CFA even if
15954 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15955 DWARF2_UNWIND_INFO is nonzero, not just defined.
15956 (dwarf2out_frame_finish): Output non-EH call frame info only
15957 if DWARF2_FRAME_INFO is nonzero.
15958 (convert_cfa_to_loc_list,
15959 compute_frame_pointer_to_cfa_displacement): Define even if
15960 unwind info is not supported.
15961 (gen_subprogram_die): Use the above unconditionally. Remove
15962 legacy alternate code.
15963 * toplev.c (compile_file): Compile in call to
15964 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15965 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15967 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15968 Jakub Jelinek <jakub@redhat.com>
15970 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15971 IBM extended float format long double as "g" on powerpc*-linux.
15973 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15976 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15977 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15979 2006-02-03 Jason Merrill <jason@redhat.com>
15982 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15984 PR middle-end/25977
15985 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15986 on the return slot if it's an NRV.
15988 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15990 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15991 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15992 rewrite_use): Do not handle USE_OUTER.
15993 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15994 add_iv_outer_candidates, may_replace_final_value,
15995 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15996 (find_interesting_uses_op): Functionality of
15997 find_interesting_uses_outer_or_nonlin moved here.
15998 (find_interesting_uses_outside): Use find_interesting_uses_op.
16000 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16003 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16005 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16006 Ulrich Weigand <uweigand@de.ibm.com>
16009 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16010 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16011 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16012 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16014 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16015 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16016 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16017 Define secondary reloads for TFmode moves.
16018 (constant_modes): Add TFmode.
16019 (NR_C_MODES): Set to 8.
16020 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16022 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16023 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16024 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16025 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16026 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16027 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16028 (FPR mode macro): Add TFmode.
16029 (DSF mode macro): New.
16030 (<de>, <dee> mode attributes): Removed.
16031 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16032 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16033 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16034 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16035 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16036 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16037 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16038 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16039 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16040 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16041 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16042 "*negabs<mode>2", "sqrt<mode>2"):
16043 Changed <de> to <xde>. R constraint replaced by <Rf>.
16044 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16046 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16047 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16048 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16050 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16051 "extenddftf2", "extendsftf2"): New expanders.
16052 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16053 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16054 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16055 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16057 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16058 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16059 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16060 __floatditf): Add a GCC_4.1.0 symbol version tag.
16061 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16064 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16067 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16068 Use targetm.binds_local_p instead of TREE_PUBLIC.
16070 2006-02-02 Roger Sayle <roger@eyesopen.com>
16072 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16073 on INTEGER_TYPEs to indicate that it denotes a character type.
16074 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16075 signed_char_type_node, unsigned_char_type_node and char_type_node.
16076 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16077 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16078 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16080 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16081 Daniel Berlin <dberlin@dberlin.org>
16083 * tree-tailcall.c (arg_needs_copy_p): New function.
16084 (eliminate_tail_call): Use arg_needs_copy_p.
16085 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16086 (add_virtual_phis): New function.
16088 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16090 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16091 #ignore instead of #scratch for %g7 .register directive.
16093 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16095 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16098 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16100 * flow.c (calculate_global_regs_live): Assert that there aren't any
16103 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16105 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16106 what its name says.
16107 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16108 bsi_after_labels iterator.
16109 * tree-if-conv.c (find_phi_replacement_condition,
16110 replace_phi_with_cond_modify_expr): Likewise.
16111 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16112 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16114 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16116 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16118 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16121 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16122 array after growing it.
16124 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16126 PR middle-end/24901
16127 * fold-const.c (fold_checksum_tree): Change type of buf.
16129 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16131 * reload.c (push_secondary_reload): Initialize t_icode.
16133 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16135 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16136 -msoft-float -mlong-double-128 only issue a warning, but don't
16137 swich to DFmode long double.
16139 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16141 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16142 has a constant equivalent, iterate over equivalents for arg0,
16143 calling simplify_relational_operation and if there's a result
16144 cheaper than X, apply fold_rtx and return the result.
16146 2006-02-01 Jan Hubicka <jh@suse.cz>
16148 * opts.c (no_unit_at_a_time_default): New global variable.
16149 (decode_options): Use it.
16150 * opts.h (no_unit_at_a_time_default): Declare.
16152 2006-02-01 Paul Brook <paul@codesourcery.com>
16154 * function.c (assign_parm_setup_reg): Use function argument promotion
16156 * expr.c (expand_expr_real_1): Use function argument promotion rules
16159 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16161 * gcc.c (process_command): Change j to 'unsigned int'.
16163 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16165 PR middle-end/26001
16166 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16167 Use the corrected index for the character
16168 out of the string constant.
16170 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16172 * mode-switching.c (optimize_mode_switching): Fix size
16173 allocated for bb_info[n_entities].
16175 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16177 * gcc.c (main): Correct type that is allocated for
16178 explicit_link_files.
16180 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16182 * config/s390/s390.c (init_alignment_context): Set
16183 ALIAS_SET_MEMORY_BARRIER on the MEM.
16184 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16186 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16188 PR middle-end/25933
16189 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16191 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16194 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16196 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16197 * regrename.c: Ditto.
16198 * tree-ssa-loop-im.c: Ditto.
16199 * tree-dump.c: Ditto.
16200 * tree-complex.c: Ditto.
16201 * genrecog.c: Ditto.
16202 * tree-ssa-threadupdate.c: Ditto.
16204 * java/class.c: Ditto.
16205 * java/jcf-parse.c: Ditto.
16206 * java/resource.c: Ditto.
16207 * java/except.c: Ditto.
16208 * java/jvspec.c: Ditto.
16209 * java/jcf-write.c: Ditto.
16210 * java/jcf-path.c: Ditto.
16211 * java/gjavah.c: Ditto.
16212 * java/zextract.c: Ditto.
16213 * java/jcf-io.c: Ditto.
16214 * java/jcf.h: Ditto.
16215 * java/buffer.c: Ditto.
16216 * java/lang.c: Ditto.
16217 * java/parse-scan.y: Ditto.
16218 * java/lex.c: Ditto.
16219 * java/lex.h: Ditto.
16220 * cfgloopmanip.c: Ditto.
16221 * postreload-gcse.c: Ditto.
16222 * tree-ssa-loop-manip.c: Ditto.
16223 * postreload.c: Ditto.
16224 * tree-ssa-loop-ch.c: Ditto.
16227 * cppspec.c: Ditto.
16228 * diagnostic.c: Ditto.
16230 * genoutput.c: Ditto.
16232 * cfghooks.c: Ditto.
16233 * cfgloopanal.c: Ditto.
16234 * objc/objc-act.c: Ditto.
16236 * genextract.c: Ditto.
16237 * genautomata.c: Ditto.
16238 * pretty-print.c: Ditto.
16239 * genemit.c: Ditto.
16240 * cgraphunit.c: Ditto.
16242 * df-scan.c: Ditto.
16243 * haifa-sched.c: Ditto.
16244 * dominance.c: Ditto.
16246 * tree-ssa-loop-ivopts.c: Ditto.
16247 * df-core.c: Ditto.
16248 * mode-switching.c: Ditto.
16249 * modulo-sched.c: Ditto.
16251 * ipa-pure-const.c: Ditto.
16253 * fix-header.c: Ditto.
16255 * tree-stdarg.c: Ditto.
16256 * ipa-utils.c: Ditto.
16257 * loop-init.c: Ditto.
16258 * ipa-inline.c: Ditto.
16259 * cfganal.c: Ditto.
16261 * alloc-pool.c: Ditto.
16262 * dwarf2out.c: Ditto.
16264 * genattrtab.c: Ditto.
16265 * tree-ssa-loop-ivcanon.c: Ditto.
16266 * predict.c: Ditto.
16267 * timevar.c: Ditto.
16269 * fortran/gfortranspec.c: Ditto.
16270 * regmove.c: Ditto.
16271 * local-alloc.c: Ditto.
16272 * langhooks.c: Ditto.
16273 * function.c: Ditto.
16274 * tree-vectorizer.c: Ditto.
16276 * ipa-type-escape.c: Ditto.
16278 * tree-if-conv.c: Ditto.
16279 * profile.c: Ditto.
16281 * tree-data-ref.c: Ditto.
16282 * loop-unroll.c: Ditto.
16283 * treelang/treetree.c: Ditto.
16285 * bt-load.c: Ditto.
16286 * ggc-common.c: Ditto.
16288 * coverage.c: Ditto.
16290 * tree-cfgcleanup.c: Ditto.
16291 * tree-ssa-pre.c: Ditto.
16292 * cfgcleanup.c: Ditto.
16293 * loop-invariant.c: Ditto.
16294 * loop-iv.c: Ditto.
16295 * ipa-prop.c: Ditto.
16296 * print-tree.c: Ditto.
16297 * conflict.c: Ditto.
16298 * ggc-page.c: Ditto.
16299 * sched-deps.c: Ditto.
16300 * regclass.c: Ditto.
16301 * tree-object-size.c: Ditto.
16302 * combine.c: Ditto.
16303 * bb-reorder.c: Ditto.
16304 * resource.c: Ditto.
16305 * var-tracking.c: Ditto.
16306 * cfgloop.c: Ditto.
16307 * df-problems.c: Ditto.
16308 * reg-stack.c: Ditto.
16310 * gccspec.c: Ditto.
16311 * sched-rgn.c: Ditto.
16312 * tree-ssa-structalias.c: Ditto.
16313 * tree-ssa-reassoc.c: Ditto.
16314 * config/darwin-c.c: Ditto.
16315 * config/darwin.c: Ditto.
16316 * config/arm/arm.c: Ditto.
16318 * collect2.c: Ditto.
16319 * reload1.c: Ditto.
16321 2006-01-31 Nicolas Pitre <nico@cam.org>
16323 * arm.md (smaxsi3): Make aware of smax_m1.
16326 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16328 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16330 2006-01-31 Richard Guenther <rguenther@suse.de>
16332 * doc/invoke.texi (-msselibm): Document.
16333 * target.h (expand_library_builtin): New target hook.
16334 * builtins.c (expand_builtin): Use expand_library_builtin.
16335 (default_expand_library_builtin): New function.
16336 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16337 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16338 (link_gcc_math_spec): Declare.
16339 (static_specs): Add link_gcc_math_spec.
16340 * expr.h (default_expand_library_builtin): Declare.
16341 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16342 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16343 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16344 * config/i386/i386.opt (msselibm): New target option.
16345 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16346 (ix86_init_sse_abi_builtins): New function.
16347 (ix86_expand_library_builtin): Likewise.
16348 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16349 (override_options): Handle error conditions wrt -msselibm.
16350 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16351 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16352 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16355 2006-01-31 Richard Guenther <rguenther@suse.de>
16356 Paolo Bonzini <bonzini@gnu.org>
16358 * doc/install.texi (--disable-libgcc-math): Document.
16360 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16362 * expr.h (expand_normal): new inline function.
16363 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16364 * dojump.c: use it.
16365 * dwarf2out.c: use it.
16368 * expmed.c: use it.
16369 * except.c: use it.
16370 * config/sparc/sparc.c: use it.
16371 * config/i386/i386.c: use it.
16372 * config/rs6000/rs6000.c: use it.
16373 * config/arm/arm.c: use it.
16374 * config/mips/mips.c: use it.
16375 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16377 2006-01-30 Roger Sayle <roger@eyesopen.com>
16379 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16380 argv to the appropriate type.
16382 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16384 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16387 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16390 * config/s390/s390.c (struct machine_function): New flag
16391 decomposed_literal_pool_addresses_ok_p.
16392 (s390_reorg): Set it before final stage of literal pool transforms.
16393 (s390_decompose_address): Only accept displacements of the form
16394 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16396 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16398 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16399 the comparison routine return.
16401 2006-01-30 Michael Matz <matz@suse.de>
16403 * global.c (find_reg): Only evict for global regs.
16404 Take n_refs into account and dump more info.
16406 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16409 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16410 (pragma_trap, pragma_nosave_low_regs): Likewise.
16411 (current_function_anonymous_args): Likewise.
16412 (sh_deferred_function_attributes): New variable.
16413 (sh_deferred_function_attributes_tail): Likewise.
16414 (print_operand): For '@', look up trap_exit attribute.
16415 (calc_live_regs): Look up trapa_handler attribute. For trapa
16416 handlers, save/restore fpscr, but don't do any other
16417 interrupt-specific saves.
16418 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16419 Fix check for partially saved registers to check for SHmedia.
16420 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16421 (sh_output_function_epilogue): Don't clear any of the removed
16423 (sh_insert_attributes): Don't check pragma_interrupt.
16424 Insert deferred attributes. Check that interrupt attribute is
16425 present for other attributes that require its presence.
16426 (sh_attribute_table): Add new attributes trapa_handler and
16428 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16429 Don't check for pragma_interrupt. Don't store argument.
16430 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16431 (sh_deferred_function_attributes): Declare.
16432 (sh_deferred_function_attributes_tail): Likewise.
16433 * sh.md (sp_switch_1): Add operand. Change generator caller.
16434 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16435 (*return_i): Don't use when trap_exit attribute is in effect.
16436 (*return_trapa): New insn pattern.
16437 * sh-c.c: New file.
16438 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16439 setting c_target_objs and cxx_target_objs.
16440 * t-sh: Add rule for sh-c.o.
16442 2006-01-30 Richard Guenther <rguenther@suse.de>
16445 * gimplify.c (gimplify_target_expr): Handle easy cases
16446 without creating a temporary.
16448 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16450 * vec.h (safe_grow): Remove duplicated line.
16452 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16455 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16456 (expand_omp): ... here.
16457 (expand_omp_parallel): Only remove barriers for combined
16458 parallel+workshare constructs.
16460 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16464 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16465 * tree.c (build_qualified_type): Chain the new type to the original
16466 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16467 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16468 (build_pointer_type_for_mode): Only return unqualified types.
16469 (build_reference_type_for_mode): Likewise.
16471 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16473 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16474 * Makefile.in (CXX_COMPAT_WARN): Define.
16475 * configure: Regenerate.
16477 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16480 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16483 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16485 * toplev.c: Fix thinko.
16487 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16488 Marcin Dalecki <martin@dalecki.de>
16490 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16491 (push_srcloc): Use XNEW.
16492 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16494 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16496 * df-core.c (df_set_blocks): Deleted all variable.
16498 2006-01-28 Ian Lance Taylor <ian@airs.com>
16500 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16501 cgraph_output_pending_asms.
16503 2006-01-28 Zack Weinberg <zackw@panix.com>
16505 * c.opt: Add -W(no-)overlength-strings.
16506 * doc/invoke.texi: Document it.
16507 * c-opts.c (c_common_handle_option): -pedantic implies
16508 -Woverlength-strings, if not explicitly disabled already.
16509 (c_common_post_options): -Woverlength-strings defaults to off, and
16510 is always off for C++.
16511 * c-common.c (fix_string_type): Issue warning about strings longer
16512 than is portable only if warn_overlength_strings. Rearrange code
16513 a little for clarity.
16514 * configure.in: Check for -Wno-overlength-strings as well before
16515 enabling -pedantic in stage 1.
16516 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16517 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16519 * genconditions.c (write_header, write_one_condition)
16520 (write_conditions, write_writer): Consolidate very long strings
16521 that were broken up to fit in C89 portable limit. Don't use
16522 printf when fputs will do.
16524 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16526 * combine.c (simplify_comparison <AND>): Check
16527 TRULY_NOOP_TRUNCATION before start using a subreg.
16529 * config/mips/mips.md (*branch_zero<mode>,
16530 *branch_zero<mode>_inverted, *branch_equality<mode>,
16531 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16532 Remove mode check from comparisons.
16534 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16536 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16538 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16540 * expmed.c (const_mult_add_overflow_p): Remove.
16541 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16543 * recog.c (validate_replace_rtx_subexp): Remove.
16544 * recog.h: Remove the prototype for
16545 validate_replace_rtx_subexp.
16547 * integrate.h: Remove the prototype for
16548 copy_decl_for_inlining.
16549 * rtl.h: Remove the prototype for mark_constant_function.
16550 * tree-vectorizer.h: Remove the prototype for
16551 vect_strip_conversion.
16553 * modulo-sched.c (create_partial_schedule,
16554 free_partial_schedule, reset_partial_schedule): Make them
16557 * hooks.c (hook_bool_rtx_int_false): Remove.
16558 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16560 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16562 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16563 and -mlong-double-128 are incompatible.
16564 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16565 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16566 (TARGET_LIBGCC2_CFLAGS): Define.
16567 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16568 (TARGET_LIBGCC2_CFLAGS): Same.
16569 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16571 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16574 * c-typeck.c (build_binary_op): Perform implicit casts of
16575 operands before shortening them.
16577 * cfgloopmanip.c (split_loop_bb): Remove.
16578 * cfgloop.h: Remove the prototype for split_loop_bb.
16580 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16581 * cfgloop.h: Remove the prototype for
16582 flow_loop_outside_edge_p.
16584 * emit-rtl.c (init_virtual_regs): Make it static.
16585 * function.h: Remove the prototype for init_virtual_regs.
16587 * recog.c (peephole2_optimize): Make it static.
16588 * recog.h: Remove the prototype for peephole2_optimize.
16590 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16592 * df-scan.c (df_record_entry_block_defs): Check if
16593 INCOMING_RETURN_ADDR_RTX is defined.
16595 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16596 Kenneth Zadeck <zadeck@naturalbridge.com>
16598 PR rtl-optimization/24762
16599 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16600 * targhooks.c (hook_void_bitmap): New hook prototype.
16601 * targhoohs.h (hook_void_bitmap): Ditto.
16602 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16603 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16604 * target.h (live_on_entry): New function pointer.
16605 * df-scan.c (df_all_hard_regs): Removed.
16606 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16607 (df_scan_free_internal): Added df->entry_block_defs.
16608 (df_scan_alloc): Ditto.
16609 (df_scan_dump): Ditto.
16610 (df_uses_record): Plumbed flag field properly thru calls.
16611 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16612 This part fixes PR24762.
16613 (df_bb_refs_record): Added code to make the frame and arg
16614 pointers live in EH blocks.
16615 (df_refs_record): Added call to df_record_entry_block_defs.
16616 (df_record_entry_block_defs): New function.
16617 * df-core.c: Added comments to describe new artifical defs.
16618 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16619 (entry_block_defs): New field in struct df.
16620 (df_all_hard_regs): Deleted.
16621 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16622 * df-problems.c (df_ru_bb_local_compute_process_def):
16623 Added code to handle artifical defs in the entry to a function.
16624 (df_ru_bb_local_compute): Ditto.
16625 (df_rd_bb_local_compute_process_def): Ditto.
16626 (df_rd_bb_local_compute): Ditto.
16627 (df_lr_bb_local_compute): Ditto.
16628 (df_ur_bb_local_compute): Ditto.
16629 (df_urec_bb_local_compute): Ditto.
16630 (df_chain_create_bb): Ditto.
16631 (df_ur_local_finalize): Removed entry.
16632 (df_urec_init): Ditto.
16633 (df_urec_local_finalize): Ditto.
16634 (df_ri_bb_compute): Added detection of last use of pseudos.
16635 * Makefile.in (df-scan.o): Updated dependencies.
16636 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16637 * config/mips/mips.c (mips_set_live_on_entry): Added.
16638 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16640 * dce.c (marked_insn_p): Added code to handle artifical defs.
16642 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16644 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16646 (_mm_cvtsi128_si64): Likewise.
16647 (_mm_cvtsd_si64): Likewise.
16648 (_mm_cvttsd_si64): Likewise.
16649 (_mm_cvtsi64_sd): Likewise.
16650 (_mm_cvtsi64_si128): Likewise.
16651 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16652 (_mm_cvtsi64_m64): Likewise.
16653 (_m_to_int64): Likewise.
16654 (_mm_cvtm64_si64): Likewise.
16655 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16656 (_mm_cvttss_si64): Likewise.
16657 (_mm_cvtsi64_ss): Likewise.
16658 (_mm_cvtss_f32): Likewise.
16660 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16662 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16663 for pragma redefine_extname.
16665 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16668 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16669 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16670 -mno-minimal-toc to previous content.
16671 (bispecs): Remove goal.
16672 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16673 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16674 compatibility aliases on powerpc-*-*gnu*.
16675 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16676 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16677 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16678 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16679 (ldblspecs): New goal.
16680 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16681 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16683 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16684 L_sf_to_tf or L_df_to_tf is defined.
16686 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16687 Alan Modra <amodra@bigpond.net.au>
16690 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16691 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16692 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16693 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16694 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16695 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16696 (rs6000_override_options): Initialize rs6000_ieeequad.
16697 Initialize TFmode format to ibm_extended_format if not
16699 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16701 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16702 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16703 (function_arg_advance): IBM long double passed in two FPRs, not
16705 (function_arg): IBM long double passed in FPRs.
16706 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16707 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16708 Only multireg GPR aligned.
16709 (rs6000_init_libfuncs): Enable IBM long double functions if not
16711 (rs6000_generate_compare): Use IBM long double compare if not
16713 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16714 (TARGET_IEEEQUAD): Define.
16715 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16716 not TARGET_IEEEQUAD.
16717 * config/rs6000/rs6000.md: Enable TFmode patterns if
16719 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16720 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16721 and -mlong-double-128 are incompatible.
16722 * doc/invoke.texi (-mabi): Collect options together. Add
16723 ibmlongdouble and ieeelongdouble.
16725 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16727 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16729 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16730 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16731 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16732 * rtl.h (rtunion_def): Remove rt_ptr.
16734 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16735 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16736 * config/i386/winnt.c (i386_pe_mark_dllexport)
16737 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16739 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16741 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16743 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16747 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16748 pthread_key_delete. From John David Anglin. gthrw-ify
16749 pthread_getunique_np only if it it's not a macro. Delete
16751 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16752 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16753 __gthread_objc_condition_signal, __gthread_key_delete): Add
16754 "__attribute__ ((__unused__))" to unused arguments.
16755 (__gthread_recursive_mutex_init_function): Add missing return.
16756 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16757 gthr-posix95.h: Use macro-based approach for name redirection
16758 on targets missing weakref.
16760 2006-01-26 Zack Weinberg <zackw@panix.com>
16762 * genconditions.c (write_header): In generated code, #ifdef out
16763 all includes and fake declarations, except includes of bconfig.h
16764 and system.h, unless GCC_VERSION >= 3001. Do not include
16765 gensupport.h in any case.
16766 (write_conditions): Generate a definition of struct c_test. Add
16767 a comment to the generated #endif.
16768 (write_one_condition): Escape backslashes in string too.
16769 (write_writer): Generated code must escape backslashes and quote
16770 marks (but not newlines) in the strings it writes.
16771 * Makefile.in (build/gencondmd.o): Update dependencies.
16773 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16776 * Makefile.in (insn-automata.o): Add header file dependencies.
16777 * genautomata.c: Add includes.
16779 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16782 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16784 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16786 * configure.ac: Expect target tools paths to be passed from the toplevel
16787 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16789 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16791 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16794 * c.opt (Wpointer-sign): Init to -1.
16795 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16796 OPT_pedantic, to 0 otherwise.
16797 * doc/invoke.texi: Update.
16799 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16801 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16802 constants provided by 80387 instructions in the destination mode.
16804 2006-01-26 Richard Guenther <rguenther@suse.de>
16805 Andrew Pinski <pinskia@physics.uc.edu>
16808 partial PR tree-opt/17064
16809 * tree-ssa-structalias.c (intra_create_variable_infos):
16810 Create heap variables for incoming parameters if
16811 flag_argument_noalias > 1.
16812 (find_what_p_points_to): Look through default defs of
16815 2006-01-26 Jeff Law <law@redhat.com>
16818 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16819 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16820 within the VR_RANGE, use the VR_RANGE as the result, not the
16822 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16823 bounds for the type.
16825 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16827 * tree-ssa-alias.c (maybe_create_global_var): Change
16828 subvar walking to an assertion that we don't have subvar'd variables.
16830 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16833 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16834 Use a new variable, inner. PARM_DECLs are always non-weak.
16836 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16838 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16839 --disable-checking.
16841 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16843 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16845 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16847 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16848 (smax_insn, smin_insn, smax_0, smin_0): New.
16850 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16853 * config/cris/cris.c (cris_order_for_addsi3): New function.
16854 * config/cris/cris-protos.h: Prototype it.
16855 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16856 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16857 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16858 (split for "op.S1 [rx=rx+i],ry (swapped)")
16859 (split for "op(s|u).S1 [rx=rx+i],ry")
16860 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16861 Apply cris_order_for_addsi3 when generating addsi3 insns.
16863 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16865 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16866 (TREE_BLOCK): Add call to EXPR_CHECK.
16868 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16871 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16872 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16873 (dump_omp_clauses): ... here.
16874 (dump_generic_node): Handle OMP_CLAUSE.
16875 * tree.c (omp_clause_num_ops): New.
16876 (omp_clause_code_name): New.
16877 (tree_code_size): Handle OMP_CLAUSE.
16878 (tree_size): Likewise.
16879 (make_node): Document handling of OMP_CLAUSE.
16880 (tree_node_structure): Handle OMP_CLAUSE.
16881 (omp_clause_check_failed): New.
16882 (omp_clause_range_check_failed): New.
16883 (omp_clause_operand_check_failed): New.
16884 (build_omp_clause): New.
16885 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16886 * tree.h (enum omp_clause_code): Declare.
16887 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16888 (OMP_CLAUSE_RANGE_CHECK): Define.
16889 (OMP_CLAUSE_ELT_CHECK): Define.
16890 (omp_clause_check_failed): Declare.
16891 (omp_clause_operand_check_failed): Declare.
16892 (omp_clause_range_check_failed): Declare.
16893 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16894 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16895 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16896 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16897 (OMP_CLAUSE_IF_EXPR): Likewise.
16898 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16899 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16900 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16901 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16902 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16903 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16904 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16905 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16906 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16907 (OMP_CLAUSE_CODE): Define.
16908 (OMP_CLAUSE_SET_CODE): Define.
16909 (OMP_CLAUSE_CODE): Define.
16910 (OMP_CLAUSE_OPERAND): Define.
16911 (struct tree_omp_clause): Declare.
16912 (union tree_node): Add field 'omp_clause'.
16913 * treestruct.def (TS_OMP_CLAUSE): Define.
16914 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16915 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16916 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16917 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16918 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16919 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16920 (OMP_CLAUSE): Define.
16921 * print-tree.c (print_node): Handle OMP_CLAUSE.
16922 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16923 * c-typeck.c: Likewise.
16924 * gimplify.c: Likewise.
16925 * c-omp.c: Likewise.
16926 * tree-nested.c: Likewise.
16927 * tree-inline.c: Likewise.
16928 * c-parser.c: Likewise.
16929 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16932 2006-01-25 Roger Sayle <roger@eyesopen.com>
16934 PR rtl-optimization/25703
16935 * combine.c (try_combine): Handle zero_extract and strict_low_part
16936 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16938 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16940 * global.c: Fix comment typos.
16942 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16945 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16946 Use output_addr_const instead of assemble_name.
16948 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16950 * Makefile.in (sched-vis.o): Update dependencies.
16951 * haifa-sched.c (sched_finish): Clear current_sched_info.
16952 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16953 (dump_flow_info): Call it.
16954 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16956 * basic-block.h (dump_bb_info): Declare.
16957 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16958 option, and apply options only for dump files whose TDF_RTL,
16959 TDF_TREE, or TDF_IPA bits match.
16960 * rtl.h: Declare new functions exported from sched-vis.c.
16961 * sched-vis.c: Enable also if scheduling is not used.
16962 (print_value): Print the mode of registers if not inside scheduling.
16963 (print_insn): Make it work outside the scheduler. Beautify the output
16965 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16967 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16969 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16970 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16971 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16972 depending on the value of CONSTANT_POOL_ADDRESS_P.
16973 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16975 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16976 rather than SYMBOL_REF_DECL.
16977 (rtx_constant_pool): Remove const_rtx_sym_htab.
16978 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16979 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16980 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16981 Remove handling of const_rtx_sym_htab.
16982 (find_pool_constant): Delete.
16983 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16984 rather than find_pool_constant.
16985 (get_pool_constant_for_function): Delete.
16986 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16987 find_pool_constant.
16988 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16989 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16990 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16991 (SYMBOL_REF_CONSTANT): New macro.
16992 (get_pool_constant_for_function): Delete.
16993 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16994 rather than SYMBOL_REF_DECL.
16995 (i386_pe_mark_dllimport): Likewise.
16996 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16997 rather than SYMBOL_REF_DECL.
16998 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16999 (machopic_indirect_call_target): Likewise.
17001 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17003 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17005 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17007 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17009 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17011 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17013 2006-01-24 David Daney <ddaney@avtrex.com>
17016 * configure.ac (enable_tls): New enable option.
17017 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17018 * configure: Regenerate.
17019 * doc/install.texi (--enable-tls): Document new option.
17020 (--disable-tls): Ditto.
17022 2006-01-24 Richard Henderson <rth@redehat.com>
17024 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17025 * alias.c (true_dependence): Respect it.
17026 (canon_true_dependence, write_dependence_p): Likewise.
17027 * builtins.c (get_builtin_sync_mem): Set it.
17029 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17031 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17034 2006-01-24 DJ Delorie <dj@redhat.com>
17036 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17037 for storing constants in single-bit bitfields.
17039 2006-01-25 Ben Elliston <bje@au.ibm.com>
17041 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17043 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17046 * tree-ssa-pre.c (phi_translate): Return NULL
17047 for AGGREGATE_TYPE's.
17049 2006-01-24 Zack Weinberg <zackw@panix.com>
17051 * genautomata.c (process_state_for_insn_equiv_partition):
17052 Use xcalloc for insn_arcs_array.
17053 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17054 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17056 2006-01-24 Richard Henderson <rth@redhat.com>
17058 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17059 update all callers.
17061 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17063 PR rtl-optimization/25890
17064 PR rtl-optimization/25905
17065 * combine.c (expand_compound_operation, expand_field_assignment):
17066 Fail if the bitfield's final position is out of bounds.
17068 2006-01-24 Ian Lance Taylor <ian@airs.com>
17070 PR middle-end/25930
17071 * cgraphunit.c (cgraph_output_in_order): Don't clear
17072 cgraph_asm_nodes until after asm strings have been output.
17074 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17076 * fix-header.c (read_scan_file): Add new parameter imultilib when
17077 calling register_include_chains.
17079 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17081 * omp-low.c: Update documentation.
17083 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17084 Daniel Berlin <dberlin@dberlin.org>
17088 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17089 return from the function.
17091 2006-01-22 Zack Weinberg <zackw@panix.com>
17093 * rtl.def (match_code): Add second argument.
17094 * genpreds.c (write_extract_subexp): New function.
17095 (write_match_code): Add path argument. Use write_extract_subexp.
17096 (write_predicate_expr): Pass path to write_match_code.
17097 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17098 not perform a mode test.
17099 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17100 a subexpression does not constrain the top-level code set.
17101 * read-rtl.c (read_rtx_variadic): New function.
17102 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17103 * doc/md.texi: Document new notation.
17104 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17105 (cmpsi_operand): ... here, using new notation.
17107 2006-01-22 Zack Weinberg <zackw@panix.com>
17109 * varray.c: Remove GENERATOR_FILE #ifdefs.
17111 2006-01-22 Zack Weinberg <zackw@panix.com>
17113 * genautomata.c (output_reserved_units_table): Emit nothing if
17114 description->query_units_num is zero. Remove extra blank line.
17115 (output_cpu_unit_reservation_p): Short circuit
17116 if description->query_units_num is zero.
17118 2006-01-22 Zack Weinberg <zackw@panix.com>
17120 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17121 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17122 nor any of the random handful of variables that used to be necessary
17123 when this program was linked with rtlanal.o. Prune set of forward
17124 function declarations.
17125 (struct attr_desc): Remove static_p field.
17126 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17127 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17128 (attr_string): Do not read the character one past the length of
17130 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17131 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17132 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17133 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17134 (make_automaton_attrs): New.
17135 (main): Do not call into genautomata. Call local gen_bypass
17136 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17137 Remove special case for insn_alts.
17138 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17139 varray.h (leftover from previous change). Prune set of forward
17140 function declarations. Remove state_alts fields from all
17141 structures. Remove state_alts_table from struct automaton.
17142 Make everything except main static. Do not maintain num_dfa_decls.
17143 Do not maintain state_alts fields of various structures.
17144 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17145 (add_arc): Remove state_alts argument. All callers updated.
17146 (output_reserved_units_table): Emit #ifdef here...
17147 (output_tables): ...not here. Don't generate state_alts tables.
17148 (expand_automata): Don't generate attributes.
17149 (write_automata): Don't generate state_alts functions.
17150 (main): New function.
17151 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17152 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17153 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17154 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17155 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17156 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17157 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17158 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17160 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17161 * genattrtab.h: Delete file.
17162 * Makefile.in (OBJS-common): Add insn-automata.o.
17163 (insn-automata.o): New rule.
17164 (simple_generated_c): Add insn-automata.c.
17165 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17166 (genprogmd): Add automata.
17167 (build/genattrtab): Needs no extra objects nor libraries.
17168 (build/genautomata): Needs build/vec.o and -lm.
17170 2006-01-22 Zack Weinberg <zackw@panix.com>
17172 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17173 (output_dfa_max_issue_rate, locked_states_num): Delete.
17174 (struct automaton): Add locked_states field.
17175 (output_dead_lock_vect): Save number of locked states in
17176 automaton->locked_states. If it is zero, don't print anything.
17177 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17178 (output_internal_dead_lock_func): Only test the dead_lock_vect
17179 for automata that have locked states.
17180 (output_statistics): Always print the number of locked states for
17181 each automaton. Calculate total number of locked states here.
17182 (write_automata): Don't call output_dfa_max_issue_rate.
17183 * genattrtab.c: Define length_unit_log as a const variable.
17184 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17185 max_insn_queue_index const.
17186 * final.c (length_unit_log): Declare const.
17187 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17189 2006-01-22 Zack Weinberg <zackw@panix.com>
17191 * genautomata.c: Include vec.h, not varray.h.
17192 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17193 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17194 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17195 VEC_* macros operating on appropriately typed vectors, or to
17196 malloced arrays when the size is known in advance. Const-ify
17197 many char* variables and function arguments. No functional changes.
17198 * Makefile.in (build/varray.o): Delete rule.
17199 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17200 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17202 2006-01-22 Zack Weinberg <zackw@panix.com>
17204 * gensupport.c: Define get_insn_name and record_insn_name here.
17205 (read_md_rtx): Call record_insn_name as appropriate.
17206 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17207 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17208 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17210 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17211 (BUILD_VARRAY): Delete.
17212 (genprognormal): Rename genprogmd. Fold in all programs from
17213 genprognoprint; also attrtab.
17214 (build/genattrtab): Just mention genautomata.o and varray.o.
17215 Reorganize a bit, add comments to make the categories clearer.
17217 2006-01-22 Zack Weinberg <zackw@panix.com>
17219 * genconditions.c (condition_table, add_condition): Delete.
17220 (write_conditions): Don't emit n_insn_conditions nor
17221 insn_elision_unavailable. Issue the gcc version #ifdef here,
17222 inside the table, with no #else clause ...
17223 (write_header): ...not here.
17224 (write_writer): New function.
17225 (main): Don't initialize condition_table. Use add_c_test.
17227 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17228 files on the command line.
17229 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17230 Return -1 if there is no entry in the table, don't abort.
17231 (add_c_test, traverse_c_tests): New functions.
17232 * gensupport.h (insn_elision_unavailable, insn_conditions)
17233 (n_insn_conditions): Delete declarations.
17234 (add_c_test, traverse_c_tests): Declare.
17235 * read-rtl.c: Include gensupport.h.
17236 (read_conditions): New function.
17237 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17238 (read_rtx_1): If we get EOF when we were looking for an initial
17239 open paren, return 0. Call read_conditions when appropriate.
17240 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17241 dummy-conditions.o. Eliminate references to insn-conditions.o,
17242 or change them to build/gencondmd.o, as appropriate. Remove
17243 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17244 from $(simple_generated_c). For all files remaining in those
17245 two lists, add insn-conditions.md to the generator command line.
17246 Give insn-constants.h/s-constants their own rules. Add rules
17247 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17248 (build/read-rtl.o): Depend on gensupport.h.
17249 (genprognormal): Include preds.
17250 (genprogearly): Rename genprognoprint; only difference is now that
17251 they don't link with $(BUILD_PRINT).
17252 * dummy-conditions.c: Delete.
17254 2006-01-22 Zack Weinberg <zackw@panix.com>
17256 * genextract.c: Don't include insn-config.h. Do include vec.h.
17257 Declare vectors of int, char, and locstr.
17258 (locstr): New typedef.
17259 (struct extraction): Make all array fields into bare pointers.
17260 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17261 (insn_code_number): Delete.
17262 (accum_extract): New struct.
17263 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17264 (gen_insn): Take insn_code_number as an argument. Use an
17265 accum_extract structure instead of loading data directly into
17266 a struct extraction, and having to know how big it might get.
17267 (walk_rtx): Operate entirely on an accum_extract structure.
17268 (print_path): Avoid unnecessary use of printf.
17269 (print_header): New function, split out of main. Distinguish
17270 more carefully between an unrecognizable insn and an insn that
17271 has the code number of a define_expand.
17272 (main): Pass insn_code_number to gen_insn. Call print_header
17273 only after parsing. Avoid unnecessary use of printf.
17274 * Makefile.in (build/vec.o): New rule.
17275 (build/genextract): Depend on build/vec.o.
17276 (build/genextract.o): Don't depend on insn-config.h.
17278 2006-01-22 Zack Weinberg <zackw@panix.com>
17280 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17281 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17282 practical. Eliminate per-generator-program link rules.
17284 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17286 PR middle-end/24437
17287 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17288 with a call expr to ...
17289 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17291 2006-01-23 Richard Guenther <rguenther@suse.de>
17293 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17294 before make_edge with conditional EDGE_TRUE_VALUE.
17296 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17297 Jan Hubicka <jh@suse.cz>
17298 Richard Guenther <rguenther@suse.de>
17300 PR rtl-optimization/25654
17301 * cfgexpand.c (aggregate_contains_union_type): New function.
17302 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17303 for structure variables that contain a union type.
17305 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17307 * gengtype.c (new_structure): Return the structure.
17308 (create_option): Add an extra "next" argument.
17309 (create_field): New function.
17310 (adjust_field_rtx_def): Use create_option and create_field.
17311 Remove a now-unnecessary call to find_structure.
17312 (adjust_field_tree_def): Likewise.
17313 (note_yacc_type): Remove an unnecessary call to find_structure.
17314 * gengtype.h (new_structure): Return the structure.
17315 (create_option): Add an extra argument.
17316 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17317 (option): Adjust calls to create_option.
17319 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17321 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17323 2006-01-22 Paul Brook <paul@codesourcery.com>
17324 Peter Barada <peter@the-baradas.com>
17326 * config/m68k/m68k.md: Add Coldfire FPU support.
17327 Define FP mode macro and associated attributes.
17328 Use it for float mode patterns.
17329 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17330 (LIBCALL_VALUE): Use m68k_libcall_value.
17331 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17332 (m68k_function_value): Ditto.
17333 (emit_move_sequence): Ditto.
17334 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17335 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17336 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17337 (MULTILIB_EXCEPTIONS): Ditto.
17338 * config/m68k/m68k.opt: Add mcfv4e.
17339 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17340 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17341 (m68k_output_function_prologue): Save ColdFire FPU registers.
17342 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17343 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17344 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17345 ColdFire FPU registers.
17346 (m68k_libcall_value, m68k_function_value): New functions.
17347 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17348 (LIBCALL_VALUE): Use m68k_libcall_value.
17349 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17350 (MASK_COLDFIRE): Add MASK_CFV4E.
17351 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17352 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17353 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17354 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17355 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17356 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17357 * doc/invoke.tex: Document -mcfv4e on m68k.
17359 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17361 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17364 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17367 * c-opts.c (c_common_handle_option): Don't include
17368 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17369 * doc/invoke.texi (C++ Dialect Options): Document that
17370 -Wnon-virtual-dtor is no longer included in -Wall.
17372 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17374 * gcov.c (print_version), gcov-dump.c (print_version),
17375 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17378 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17380 * df-scan.c (problem_SCAN): Added NULL reset function.
17381 (df_scan_reset_blocks): Added code to call reset block function
17382 (df_bb_refs_delete) Fixed comment.
17383 (df_insn_refs_delete): Made tolerant of deleting non existent info
17384 for dataflow problems that need to be reset.
17385 * df-core.c (df_set_blocks): Ditto.
17386 * df.h (struct df_problem): Added reset_fun.
17387 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17388 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17389 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17390 functions to clear out all references to def-use or use-def chains.
17392 2006-01-21 Ben Elliston <bje@au.ibm.com>
17394 * varasm.c (assemble_real): Initialise data array.
17396 2006-01-20 Paul Brook <paul@codesourcery.com>
17398 Merge from csl-arm-branch.
17399 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17400 * config/arm/arm.md (movdi): Force operands[1] to a register
17401 if we have a non-register source.
17402 (*arm_movdi, *movdf_soft_insn): Require that one of the
17403 operands be a register.
17404 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17405 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17407 2006-01-20 DJ Delorie <dj@redhat.com>
17409 * varasm.c (initializer_constant_valid_p): Allow pointers
17410 initialized from integer constants of lesser precision.
17411 (output_constant): Allow non-int-sized pointer modes to be
17412 initialized from integer constants.
17414 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17417 * cppdefault.h (struct default_include): Add multilib flag.
17418 * cppdefault.c (cpp_include_defaults): Set it.
17419 * c.opt (-imultilib): New option.
17420 * c-opts.c (imultilib): New.
17421 (c_common_handle_option): Handle -imultilib.
17422 (c_common_post_options): Likewise.
17423 * c-incpath.c (add_standard_paths, register_include_chains):
17425 * c-incpath.h (register_include_chains): Add extra parameter.
17426 * gcc.c (do_spec_1): Generate -imultilib option.
17427 (The Specs Language): Update %I description.
17428 (process_command): Update copyright notice.
17429 * doc/cppopts.texi (-imultilib): Document.
17430 * doc/invoke.texi (-imultilib): Include in option summary.
17431 (%I): Update specs documentation.
17433 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17435 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17437 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17439 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17442 2006-01-20 Richard Guenther <rguenther@suse.de>
17443 Steven Bosscher <stevenb.gcc@gmail.com>
17445 PR rtl-optimization/24626
17446 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17447 EDGE_TRUE_VALUE if in RTL mode.
17450 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17451 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17453 2006-01-20 Dirk Mueller <dmueller@suse.com>
17456 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17457 instead of a special NOP marker.
17458 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17459 NOP marker handling.
17460 * c-common.h (empty_body_warning): Add forward declaration.
17461 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17462 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17464 2006-01-20 Paul Brook <paul@codesourcery.com>
17466 * Makefile.in (lang_checks): Keep going if mkdir fails.
17468 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17470 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17471 be able to clean out basic block when not necessary.
17472 (df_scan_free): Fixed to properly delete information if df is
17473 unused before calling df_finish.
17474 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17475 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17477 (df_bb_refs_delete): New function.
17478 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17479 * df-core.c (df_set_blocks): Added code to properly clean out
17480 unused blocks if they are not part of the blocks to consider.
17481 Added additional null check.
17482 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17483 be able to clean out basic block when not necessary
17484 * df.h (df_free_bb_function): Ditto.
17485 (df_bb_refs_delete): New function.
17486 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17487 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17488 basic block parameter to be able to clean out basic block when not
17490 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17491 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17492 Fixed to properly delete information if df is unused before
17495 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17497 PR rtl-optimization/25799
17498 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17499 Corrected confluence operator to remove bits from op2 before oring
17500 with op1 rather than removing bits from op1.
17501 (df_ru_transfer_function): Corrected test on wrong bitmap which
17502 caused infinite loop. Both of these problems were introduced in
17503 the dataflow rewrite.
17505 2006-01-19 DJ Delorie <dj@redhat.com>
17507 * reload1.c (find_reload_regs): Note the details of reload
17508 failures in the dump file.
17509 (spill_failure): Likewise.
17511 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17513 * loop-iv.c: Include df.h and hashtab.h.
17514 (enum iv_grd_result): New enum.
17515 (DF_REF_IV, DF_REF_IV_SET): New macros.
17516 (struct biv_entry): New.
17517 (df, bivs): New global variables.
17518 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17519 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17521 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17522 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17523 analyzed_for_bivness_p, record_biv): New functions.
17524 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17525 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17526 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17528 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17530 (iv_number_of_iterations): Use new interface to iv analysis.
17531 * loop-unroll.c: Do not include varray.h.
17532 (analyze_iv_to_split_insn): Use new interface to iv
17534 * loop-unswitch.c (may_unswitch_on): Ditto.
17535 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17537 (df_bb_modify): Realloc tables to the new index.
17538 (df_find_use): New function.
17539 * df.h (df_find_use): Declare.
17540 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17542 * cfgloop.h (struct rtx_iv): Remove analysed field.
17543 (iv_get_reaching_def): Removed.
17544 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17545 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17546 (loop-iv.o): Add df.h and hashtab.h dependency.
17547 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17549 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17552 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17554 (__floatundisf, __floatundidf): Likewise.
17555 * libgcc2.h (IS_IBM_EXTENDED): Define.
17557 2006-01-19 DJ Delorie <dj@redhat.com>
17559 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17561 2006-01-19 Paul Brook <paul@codesourcery.com>
17563 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17564 as nothrow when unwinding tables are disabled.
17566 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17569 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17570 of bit-field" when in system header.
17572 2006-01-19 DJ Delorie <dj@redhat.com>
17574 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17575 the 16 bit shift limit of the m16c.
17577 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17580 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17581 * config/i386/i386.c (output_set_got): Output the label if we have one
17582 for the TARGET_DEEP_BRANCH_PREDICTION case.
17584 2006-01-19 Jan Hubicka <jh@suse.cz>
17585 H.J. Lu <hongjiu.lu@intel.com>
17586 Evandro Menezes <evandro.menezes@amd.com>
17588 * invoke.texi (generic): Document
17590 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17591 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17592 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17593 (x86_use_incdec, x86_pad_returns): New variables
17594 (TARGET_CPU_DEFAULT_generic): New constant
17595 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17596 (enum processor_type): Add generic32 and generic64.
17597 * i386.md (cpu attribute): Add generic32/generic64
17598 (movhi splitter): Behave sanely when both partial_reg_dependency and
17599 partial_reg_stall are set.
17600 (K8 splitters): Enable for generic as well.
17601 * predicates.md (incdec_operand): Use TARGET_INCDEC
17602 (aligned_operand): Avoid memory mismatch stalls.
17603 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17604 * ppro.md: Enable for generic32
17605 * i386.c (generic64_cost, generic32_cost): New.
17606 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17607 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17608 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17609 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17610 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17611 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17612 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17613 x86_accumulate_outgoing_args, x86_prologue_using_move,
17614 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17615 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17616 Enable for generic.
17617 (x86_use_incdec, x86_pad_returns): New.
17618 (override_options): Add generic32 and generic64, translate "generic"
17619 to generic32/generic64 and "i686" to "generic32", refuse
17620 "generic32"/"generic64" as arch target.
17621 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17622 (ix86_reorg): Honor PAD_RETURNS.
17624 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17626 * tree-pretty-print.c (dump_generic_node): Handle
17627 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17628 * cgraph.c (cgraph_expand_queue): Rename from
17629 cgraph_analyze_queue. Update all users.
17630 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17631 cgraph_expand_queue.
17632 (cgraph_expand_all_functions): Likewise.
17633 (cgraph_finalize_pending_functions): Remove. Update callers.
17635 * tree.h (OMP_DIRECTIVE_P): Define.
17636 (OMP_PARALLEL_FN): Define.
17637 (OMP_PARALLEL_DATA_ARG): Define.
17638 (OMP_SECTIONS_SECTIONS): Define.
17639 * tree-pass.h (pass_expand_omp): Declare.
17640 * omp-low.c (struct omp_region): Declare.
17641 (struct omp_context): Remove fields 'parallel_type',
17642 'parallel_start_ix' and 'parallel_start_additional_args'.
17644 (struct omp_for_data): Rename from struct expand_omp_for_data.
17645 (omp_regions): New static variable.
17646 (root_omp_region): New static variable.
17647 (find_omp_clause): Make static.
17648 (is_in_combined_parallel_ctx): Remove.
17649 (is_combined_parallel): New.
17650 (extract_omp_for_data): Move earlier in the file.
17651 (workshare_safe_to_combine_p): New.
17652 (get_ws_args_for): New.
17653 (determine_parallel_type): Move earlier in the file.
17654 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17656 (omp_copy_decl): Likewise.
17657 (create_omp_child_function): Likewise.
17658 (lookup_omp_region): New.
17659 (dump_omp_region): New.
17660 (debug_omp_region): New.
17661 (debug_all_omp_regions): New.
17662 (new_omp_region): New.
17663 (scan_omp_parallel): If parallel_nesting_level > 1, the
17664 directive is nested within another parallel directive.
17665 Set OMP_PARALLEL_FN.
17666 (scan_omp_for): Do not try to handle combined parallel+for
17668 Remove FIXME comment.
17669 (scan_omp_nested): Remove.
17670 (scan_omp_1): Do not call scan_omp_nested when
17671 parallel_nesting_level is > 1.
17672 Do not change the DECL_CONTEXT of local variables found.
17673 (lookup_decl_in_outer_ctx): New.
17674 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17675 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17676 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17677 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17678 If CTX is nested, lookup VAR in the outer context when
17679 building copy assignment.
17680 (lower_send_clauses): Rename from expand_send_clauses.
17681 If CTX is nested, lookup VAR in the outer context when
17682 building copy assignments.
17683 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17684 If CTX is nested, lookup VAR in the outer context when
17685 building copy assignments.
17686 (expand_parallel_call): Rename from build_parallel_call.
17687 Handle combined parallel+workshare cases.
17688 Re-implement to emit code into the CFG.
17690 (expand_omp_parallel): Re-implement to emit code into the CFG.
17691 Call move_sese_region_to_fn to outline the sub-graph
17692 containing the parallel region.
17693 (expand_omp_for_1): Remove.
17694 (expand_omp_for_generic): Re-implement to emit code into the
17696 (expand_omp_for_static_nochunk): Likewise.
17697 (expand_omp_for_static_chunk): Likewise.
17698 (expand_omp_for): Likewise.
17699 (expand_omp_sections): Likewise.
17700 (remove_exit_barriers): New.
17701 (expand_omp_synch): New.
17703 (build_omp_regions_1): New.
17704 (build_omp_regions): New.
17705 (execute_expand_omp): New.
17706 (gate_expand_omp): New.
17707 (pass_expand_omp): Define.
17708 (lower_omp_sections): Rename from expand_omp_sections.
17709 Set OMP_SECTIONS_SECTIONS.
17710 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17711 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17712 (lower_omp_single): Rename from expand_omp_simple.
17713 (lower_omp_master): Rename from expand_omp_master.
17714 (lower_omp_ordered): Rename from expand_omp_ordered.
17715 (lower_omp_critical): Rename from expand_omp_critical.
17716 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17717 (lower_omp_for): Re-implement.
17718 (lower_omp_parallel): Re-implement.
17719 (lower_regimplify): Rename from expand_regimplify.
17720 (lower_omp_1): Rename from expand_omp_1.
17721 If there are syntax errors in the program, replace every
17722 OpenMP directive with NOP.
17723 Call lower_omp_* instead of expand_omp_*.
17724 (lower_omp): Rename from expand_omp.
17726 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17727 * tree-gimple.h (enum omp_parallel_type): Remove.
17728 (gimple_boolify): Declare extern.
17729 (find_omp_clause, determine_parallel_type): Remove.
17731 * gimple-low.c (lower_omp_directive): New.
17732 (lower_stmt): Call it.
17733 (record_vars_into): Move from ...
17734 (record_vars): ... here.
17735 Call record_vars_into with current_function_decl.
17737 * gimplify.c (struct gimplify_ctx): Remove fields
17738 combined_pre_p and combined_ctxp. Update users.
17739 (get_formal_tmp_var): Add documentation.
17740 (gimple_boolify): Make extern.
17741 (gimplify_expr_in_ctx): Remove. Update callers.
17742 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17743 will always be a BIND_EXPR.
17744 (gimplify_expr): Handle OMP_RETURN_EXPR.
17745 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17746 (OMP_PARALLEL): Add 3 operands.
17747 (OMP_SECTIONS): Add 1 operand.
17748 (OMP_RETURN_EXPR): Define.
17750 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17751 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17752 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17753 creating a circular free list.
17754 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17756 * tree-flow.h (move_sese_region_to_fn): Declare.
17757 (record_vars_into): Declare.
17758 * tree-cfg.c (make_omp_sections_edges): New.
17759 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17760 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17761 OMP_SECTIONS and OMP_SECTION.
17762 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17763 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17764 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17765 (gather_blocks_in_sese_region): New.
17766 (struct move_stmt_d): Declare.
17767 (move_stmt_r): New.
17768 (move_block_to_fn): New.
17769 (move_sese_region_to_fn): New.
17771 * passes.c (init_optimization_passes): Schedule
17772 pass_expand_omp after pass_init_datastructures.
17774 * tree-ssa-operands.c (get_expr_operands): Handle
17775 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17776 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17778 2006-01-19 Jeff Law <law@redhat.com>
17780 * tree-vrp.c (extract_range_from_assert): Refine the result range
17781 if the variable referenced by the ASSERT_EXPR has a range and
17782 either the tentative result range or the previous range is a
17785 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17787 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17789 2006-01-19 Jan Hubicka <jh@suse.cz>
17791 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17793 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17795 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17796 (expand_compound_operation, expand_field_assignment): Fail if the
17797 bit lengths of an extract operation are out of range.
17798 (make_extraction): Compute wanted_inner_mode based on the position
17799 and length of the extraction. Make it extraction_mode for non-constant
17800 positions, and do not modify offset in that case. When generating a
17801 new MEM, use a mode that can hold the extraction while keeping correct
17802 alignment. Remove code that supported MEMs wrapped by USEs.
17803 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17805 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17807 * config/s390/s390.md ("Y", "y"): New mode attribute.
17808 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17809 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17810 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17811 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17812 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17813 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17814 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17815 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17816 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17817 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17818 "addsi3", "subsi3"): Insn patterns removed.
17819 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17820 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17821 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17822 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17823 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17824 "*sub<mode>3_cconly2"): New insn patterns.
17825 ("addsi3", "subsi3"): New expanders.
17827 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17829 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17830 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17831 existing STMT_VINFO_VECTYPE if available.
17832 (vect_mark_relevant): Add special handling for stmts that are
17833 marked as STMT_VINFO_IN_PATTERN_P.
17834 (vect_analyze_loop): Call vect_pattern_recog.
17835 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17836 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17838 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17839 (vect_recog_func_ptr): New function-pointer type.
17840 * tree-vect-patterns.c: New file.
17841 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17842 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17843 (vect_pattern_recog_1): New functions.
17844 (vect_pattern_recog_funcs): New array of function pointers.
17846 * tree-vectorizer.h (ternary_op): New enum value.
17847 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17848 declaration. Revised documentation. Removed redundant dump prints.
17849 Removed redundant argument. Added support for reduction patterns.
17850 (vectorizable_reduction): Added support for reduction patterns.
17851 (vect_transform_stmt): Added support for patterns.
17853 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17854 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17855 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17856 (expand_widen_pattern_expr): New function.
17857 (init_optabs): Initialize new optabs udot_prod_optab,
17859 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17860 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17861 (expand_widen_pattern_expr): New function declaration.
17862 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17864 * tree-inline.c (estimate_num_insns_1): Added cases for new
17865 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17866 * tree-pretty-print.c (dump_generic_node): Likewise.
17867 (op_prio): Likewise.
17868 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17869 * tree-ssa-operands.c (get_expr_operands): Added case for
17871 * tree-vect-patterns.c (widened_name_p): New function.
17872 (vect_recog_dot_prod_pattern): Added function implementation.
17873 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17874 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17875 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17876 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17878 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17879 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17880 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17881 (init_optabs): Initialize new optabs widen_ssum_optab,
17883 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17884 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17885 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17886 use instead of type of def.
17887 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17888 function implementation.
17889 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17890 widen_ssumv8hi): New.
17892 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17895 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17898 * c-decl.c (add_flexible_array_elts_to_size): New function.
17899 (finish_decl): Use it.
17901 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17903 * diagnostic.h: Include options.h.
17904 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17905 dependancies for diagnostic.h.
17906 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17908 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17910 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17911 (ssa_ro_call_cache_valid): Ditto.
17912 * tree-ssa-alias.c (sort_tags_by_id): New function.
17913 (init_transitive_clobber_worklist): Ditto.
17914 (add_to_worklist): Ditto.
17915 (mark_aliases_call_clobbered): Ditto.
17916 (compute_tag_properties): Ditto.
17917 (set_initial_properties): Ditto.
17918 (compute_call_clobbered): Ditto.
17919 (compute_may_aliases): Call compute_call_clobbered and grouping.
17920 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17921 (compute_flow_insensitive_aliasing): Grouping now happens in our
17923 (setup_pointers_and_addressables): Remove clobbering related code.
17924 (add_may_alias): Ditto.
17925 (replace_may_alias): Ditto.
17926 (get_nmt_for): Ditto.
17927 (create_global_var):
17928 (is_escape_site): Return an escape_type enumeration.
17929 * tree-flow-inline.h (is_call_clobbered): Global var does not
17930 imply call clobbered.
17931 (mark_call_clobbered): Take a reason for marking this. Remove
17932 marking of globalness, and cache invalidation.
17933 (clear_call_clobbered): Remove cache invalidation code.
17934 * tree-dfa.c (dump_variable): If details is on, dump the reason
17936 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17938 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17939 (struct var_ann_d): Ditto.
17940 (enum escape_type): New.
17941 (mark_call_clobbered): Adjust prototype.
17942 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17943 are never call clobbered.
17944 Record reasons for escaping.
17945 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17946 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17947 (ssa_ro_call_cache_valid): Ditto.
17948 (clobbered_v_may_defs): Ditto.
17949 (clobbered_vuses): Ditto.
17950 (ro_call_vuses): Ditto.
17951 (clobber_stats): New.
17952 (init_ssa_operands): Zero out clobber stats.
17953 (fini_ssa_operands): Print out clobber stats.
17954 (get_call_expr_operands): Pass callee fndecl to
17955 add_call_read_ops).
17956 (add_call_clobber_ops): Remove use of cache.
17957 Add use of PURE_CONST information.
17958 (add_call_read_ops): Remove use of cache.
17959 Add use of static not_read information.
17961 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17963 Introduce TLS descriptors for i386 and x86_64.
17964 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17965 (TARGET_ANY_GNU_TLS): New macro.
17966 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17967 (struct machine_function): Add tls_descriptor_call_expanded_p.
17968 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17969 (ix86_current_function_calls_tls_descriptor): Likewise.
17970 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17971 (override_options): Introduce gnu2 tls dialect.
17972 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17974 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17976 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17977 (ix86_init_machine_status): Initialize new field.
17978 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17979 (ix86_tls_module_base): New.
17980 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17981 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17982 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17983 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17984 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17985 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17986 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17987 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17988 * config/i386/predicates.md (tls_modbase_operand): New.
17989 (tp_or_register_operand): New.
17991 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17993 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17994 (look_for_address_of): Ditto.
17995 (ipa_init): Walk the function decls.
17996 (static_execute): Don't set readonly on FUNCTION_DECL's.
17998 2006-01-18 Roger Sayle <roger@eyesopen.com>
18000 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18001 for shifts where the source and destination registers are different.
18003 2006-01-18 Paul Brook <paul@codesourcery.com>
18005 Merge from csl-arm-branch.
18006 2005-03-14 Julian Brown <julian@codesourcery.com>
18007 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18008 (aeabi_llsl): Likewise.
18009 (ashrdi3): Likewise.
18010 (aeabi_lasr): Likewise.
18011 (lshrdi3): Likewise.
18012 (aeabi_llsr): Likewise.
18013 2005-03-10 Julian Brown <julian@codesourcery.com>
18014 * config.gcc: Disable shared libgcc for SymbianOS.
18015 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18017 2006-01-18 DJ Delorie <dj@redhat.com>
18019 * c-pragma.c (handle_pragma_diagnostic): New.
18020 (init_pragma): Register it.
18021 * doc/extend.texi: Document it.
18023 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18024 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18025 (diagnostic_context): Add classify_diagnostic[].
18026 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18027 as errors if they're overridden to DK_WARNING.
18028 (diagnostic_initialize): Initialize classify_diagnostic[].
18029 (diagnostic_set_kind_override): New.
18030 (diagnostic_report_diagnostic): Check for kind changes.
18031 * opts.c (common_handle_option): Take lang_mask. Update callers.
18032 Handle OPT_Werror_.
18033 * common.opt (Werror=): New.
18034 * doc/invoke.texi: Document -Werror=*
18036 2006-01-18 Jeff Law <law@redhat.com>
18038 * tree-vrp.c (test_for_singularity): Correct test for new
18039 min limit. Use operand_equal_p rather than pointer equality
18040 for testing if new min/max values are equal.
18042 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18043 using range information until after propagation and folding.
18045 2006-01-18 Richard Henderson <rth@redhat.com>
18046 Aldy Hernandez <aldyh@redhat.com>
18047 Jakub Jelinek <jakub@redhat.com>
18048 Diego Novillo <dnovillo@redhat.com>
18050 * omp-low.c: New file.
18051 * c-omp.c: New file.
18053 2006-01-18 Richard Henderson <rth@redhat.com>
18054 Jakub Jelinek <jakub@redhat.com>
18055 Diego Novillo <dnovillo@redhat.com>
18057 * doc/invoke.texi: Document -fopenmp.
18058 * tree-dump.h (debug_function): Declare.
18059 * hooks.c (hook_bool_tree_bool_false): New function.
18060 (hook_tree_tree_null): Remove.
18061 (hook_tree_tree_tree_null): New.
18062 * hooks.h: Update to match.
18063 * tree-pretty-print.c (debug_tree_chain): New.
18064 (print_generic_expr): Handle TDF_CHAIN.
18065 (dump_generic_node): Handle BLOCK.
18066 Do not abort with incomplete SWITCH_EXPRs.
18067 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18068 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18069 print space after directive name.
18070 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18071 Handle OMP_MASTER and OMP_ORDERED.
18072 Handle printing of OMP_BODY just in one place, goto
18073 dump_omp_body in the rest of OMP_* nodes that have
18075 Don't handle clause nodes here. Update omp statements to
18076 use dump_omp_clauses.
18077 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18078 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18079 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18080 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18081 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18082 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18083 Adjust output for GOMP_PARALLEL.
18084 (dump_omp_clauses): New.
18085 (print_declaration): Dump DECL_VALUE_EXPR.
18086 (op_symbol_1): Split out of op_symbol.
18087 (dumping_stmts): Remove. Update all users.
18088 * cgraph.c (cgraph_analyze_queue): New.
18089 (cgraph_add_new_function): New.
18090 * cgraph.h (cgraph_analyze_queue): Declare.
18091 (cgraph_add_new_function): Declare.
18092 (cgraph_lower_function): Remove.
18093 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18094 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18095 and TYPE_P nodes in its default clause.
18096 (empty_body_p): New.
18097 (tree_range_check_failed): New.
18098 (build5_stat): New.
18099 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18100 OMP_CLAUSE_REDUCTION_MERGE,
18101 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18102 OMP_CLAUSE_PRIVATE_DEBUG,
18103 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18104 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18105 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18106 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18107 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18108 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18109 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18110 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18111 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18112 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18113 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18114 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18115 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18116 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18117 (TREE_RANGE_CHECK): New.
18118 (empty_body_p): Declare.
18119 (enum omp_clause_default_kind): New.
18120 (build_string_literal): Declare.
18121 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18122 (build5_stat, build5): Declare.
18123 * tree-pass.h (TDF_CHAIN): Define.
18124 * tree-pass.h (PROP_gimple_lomp): Define.
18125 (pass_lower_omp): Declare.
18126 * diagnostic.h (debug_tree_chain): Declare.
18127 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18129 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18130 * builtins.c (build_string_literal): Make extern.
18131 * gcc.c (include_spec_function): New.
18132 (static_spec_functions): Add it.
18133 (main): Move load of libgomp.spec ...
18134 (LINK_COMMAND_SPEC): ... here.
18135 (link_gomp_spec): New.
18136 (static_specs): Include it.
18137 (LINK_COMMAND_SPEC): Add link_gomp.
18138 (GOMP_SELF_SPECS): New.
18139 (driver_self_specs): Include it.
18140 (switch_matches): Don't mark inline.
18141 (main): Load libgomp.spec.
18142 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18143 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18144 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18145 * tree-gimple.h (enum omp_parallel): Declare.
18146 (determine_parallel_type): Declare.
18147 (omp_firstprivatize_variable): Declare.
18148 (omp_reduction_init): Declare.
18149 (diagnose_omp_structured_block_errors): Declare.
18150 (struct walk_stmt_info): Add want_return_expr.
18151 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18152 (find_omp_clause): Declare.
18153 (insert_field_into_struct): Declare.
18154 (struct walk_stmt_info): Move from tree-nested.c
18155 (walk_stmts): Declare.
18156 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18158 * cgraphunit.c (cgraph_lower_function): Make static.
18159 (cgraph_finalize_pending_functions): New.
18160 (cgraph_finalize_function): Call it.
18161 (cgraph_finalize_compilation_unit): Likewise.
18162 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18163 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18164 (BT_FN_UINT_UINT): New.
18165 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18166 DEF_FUNCTION_TYPE_VAR_4): Document.
18167 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18168 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18169 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18170 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18171 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18172 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18173 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18174 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18175 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18176 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18177 into separate files.
18178 (DEF_GOMP_BUILTIN): New.
18179 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18180 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18181 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18182 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18183 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18184 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18185 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18186 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18187 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18188 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18189 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18190 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18191 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18192 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18193 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18194 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18195 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18196 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18197 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18198 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18199 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18200 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18201 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18202 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18203 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18204 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18205 * sync-builtins.def: New file, moved from builtins.def.
18206 * omp-builtins.def: New file, moved from builtins.def.
18207 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18208 * gimple-low.c (lower_function_body): Clear data.
18209 (lower_stmt): Do not handle COMPOUND_EXPR.
18210 Remove call to print_node_brief.
18211 * c-tree.h (c_finish_omp_clauses): New prototype.
18212 (C_DECL_THREADPRIVATE_P): Define.
18213 (lookup_name_no_remap, c_omp_remap_private): Remove
18214 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18215 (check_for_loop_decls): Update decl.
18216 (lookup_name_no_remap, c_omp_remap_private): Declare.
18217 (build_indirect_ref, build_modify_expr, pushdecl,
18218 pushdecl_top_level): Move to c-common.h.
18219 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18220 before the switch, but just in the 2 places that need it.
18221 * c-decl.c (diagnose_mismatched_decls): Do not check for
18222 mismatched thread-local attributes when OLDDECL is marked
18223 threadprivate and NEWDECL has no thread-local attributes.
18224 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18225 (c_gimple_diagnostics_recursively): Rename from
18226 c_warn_unused_result_recursively. Invoke
18227 diagnose_omp_structured_block_errors.
18228 (check_for_loop_decls): Return a singular decl found.
18229 * langhooks.c (lhd_omp_predetermined_sharing): Return
18230 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18231 (lhd_omp_firstprivatize_type_sizes): New.
18232 (lhd_omp_assignment): New.
18233 (lhd_omp_predetermined_sharing): New.
18234 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18235 (struct lang_hooks_for_types): Add
18236 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18237 omp_predetermined_sharing, omp_disregard_value_expr,
18238 omp_private_debug_clause, omp_clause_default_ctor,
18239 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18240 (c_finish_omp_clauses): New.
18241 (c_finish_bc_stmt): Diagnose break within omp for.
18242 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18243 (build_unary_op): Return error_mark after reporting
18245 (build_modify_expr): Likewise.
18246 * gimplify.c: Include optabs.h and pointer-set.h.
18247 (enum gimplify_omp_var_data): Declare.
18248 (struct gimplify_omp_ctx): Declare.
18249 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18251 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18252 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18253 (splay_tree_compare_decl_uid): New.
18254 (new_omp_context): New.
18255 (delete_omp_context): New.
18256 (gimple_add_tmp_var): Call omp_add_variable.
18257 (gimplify_bind_expr): Likewise.
18258 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18259 true, disregard DECL_VALUE_EXPR on the decl if any.
18260 (gimplify_expr_in_ctx): New.
18261 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18262 omp_add_variable, omp_notice_variable, omp_is_private
18263 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18264 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18265 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18266 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18267 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18268 gimplify_omp_atomic): New.
18269 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18270 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18271 OMP_CRITICAL and OMP_ATOMIC.
18272 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18273 * c-pragma.h (enum pragma_kind): Add
18274 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18275 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18276 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18277 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18278 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18279 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18280 PRAGMA_OMP_THREADPRIVATE.
18281 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18282 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18283 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18284 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18285 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18286 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18287 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18288 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18289 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18290 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18291 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18292 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18293 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18295 (struct nesting_info): Add field_map,
18296 suppress_expansion, debug_var_chain.
18297 (create_nesting_tree): Initialize them.
18298 (lookup_field_for_decl): Use field_map.
18299 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18300 (convert_local_omp_clauses): New.
18301 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18302 (walk_body): Split out of walk_function.
18303 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18304 (convert_nonlocal_reference): Handle omp statements.
18305 (convert_local_reference): Likewise.
18306 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18307 (unnest_nesting_tree): New.
18308 (lower_nested_functions): Call it.
18309 (insert_field_into_struct): Make extern.
18310 (struct walk_stmt_info): Move to tree-gimple.h.
18311 (walk_stmts): Make extern.
18312 * omp-builtins.def: New file.
18313 * tree-iterator.c (expr_only): Clarify comment.
18314 * c-common.h (pushdecl_top_level, pushdecl,
18315 build_modify_expr, build_indirect_ref,
18316 c_finish_omp_master, c_finish_omp_critical,
18317 c_finish_omp_ordered, c_finish_omp_barrier,
18318 c_finish_omp_atomic, c_finish_omp_flush,
18319 c_finish_omp_for, c_split_parallel_clauses,
18320 omp_clause_default_kind, c_omp_sharing_predetermined,
18321 c_omp_remap_decl): Declare.
18322 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18323 (OBJS-common): Add omp-low.o.
18324 (c-omp.o, omp-low.o): Add.
18325 (gimplify.o): Add dependency on $(OPTABS_H).
18326 (GTFILES): Add omp-low.c.
18327 (gt-stringpool.h): Add.
18328 * tree-cfg.c (set_bb_for_stmt): Do not update the
18329 block-to-labels map if we are currently expanding to RTL.
18330 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18332 Handle IDENTIFIER_NODE.
18333 (tree_verify_flow_info): Do not ICE when emitting error
18334 messages about invalid labels.
18335 (dump_function_to_file): Reset CFUN before emitting the body
18337 (debug_function): New.
18338 * passes.c (init_optimization_passes): Schedule
18340 * langhooks-def.h (lhd_omp_predetermined_sharing,
18341 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18343 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18344 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18345 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18346 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18347 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18348 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18349 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18350 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18351 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18352 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18353 (LANG_HOOK_DECLS): Use them.
18355 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18356 Richard Henderson <rth@redhat.com>
18357 Jakub Jelinek <jakub@redhat.com>
18358 Diego Novillo <dnovillo@redhat.com>
18360 * c-parser.c (pragma_omp_clause): Define.
18361 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18362 (c_parser_compound_statement): Likewise.
18363 (c_parser_statement): Likewise.
18364 (c_parser_pragma): Handle omp pragmas.
18365 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18366 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18367 (c_parser_omp_clause_name, check_no_duplicate_clause,
18368 c_parser_omp_variable_list,
18369 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18370 c_parser_omp_clause_copyprivate,
18371 c_parser_omp_clause_default,
18372 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18373 c_parser_omp_clause_lastprivate,
18374 c_parser_omp_clause_nowait,
18375 c_parser_omp_clause_num_threads,
18376 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18377 c_parser_omp_clause_reduction,
18378 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18379 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18380 c_parser_omp_atomic, c_parser_omp_barrier,
18381 c_parser_omp_critical, c_parser_omp_flush,
18382 c_parser_omp_for_loop, c_parser_omp_for,
18383 c_parser_omp_master, c_parser_omp_ordered,
18384 c_parser_omp_sections_scope, c_parser_omp_sections,
18385 c_parser_omp_parallel, c_parser_omp_single,
18386 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18387 * c-pragma.c (init_pragma): Do omp pragma registration here.
18388 * c.opt (fopenmp): New flag.
18390 2006-01-18 Eric Christopher <echristo@apple.com>
18392 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18393 * config/darwin.h (GOMP_SELF_SPECS): Define.
18395 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18397 * rtl.h: Remove the prototype for reg_alloc.
18399 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18402 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18403 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18404 sjlj and dwarf2 exception handling.
18405 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18406 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18407 * pa/pa.c (function_value): Treat complex and vector types as
18409 (function_arg): Likewise. Only pass scalar floats in the floating
18410 point argument registers.
18411 * pa/t-slibgcc-dwarf-ver: New file.
18412 * pa/t-slibgcc-sjlj-ver: New file.
18413 * pa/t-slibgcc-elf-ver: Delete file.
18415 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18417 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18418 unlikely_test_section_p test.
18420 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18422 * mode-switching.c (optimize_mode_switching): Make it static.
18423 * basic-block.h: Remove the prototype for
18424 optimize_mode_switching.
18426 * modulo-sched.c (sms_schedule): Make it static.
18427 * rtl.h: Remove the prototype for sms_schedule.
18429 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18430 * rtl.h: Remove the prototype for gcse_after_reload_main.
18432 * reg-stack.c (reg_to_stack): Make it static.
18433 * rtl.h: Remove the prototype for reg_to_stack.
18435 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18437 * rtl.h: Remove the prototypes for regrename_optimize and
18438 copyprop_hardreg_forward.
18440 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18442 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18443 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18444 Test against the appropriate null constant for the mode.
18445 If 'fixup_overlap' is true, swap the operands if they overlap.
18446 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18447 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18448 alpha_split_tmode_pair and adjust for above change.
18449 * config/alpha/alpha.md (movtf_internal): Adjust call to
18450 alpha_split_tfmode_pair and rely on it to swap the operands.
18451 (movti_internal): New insn and post-reload splitter.
18452 (movti): New expander.
18454 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18456 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18459 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18461 * rtlanal.c (global_reg_mentioned_p_1,
18462 global_reg_mentioned_p): Remove.
18463 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18465 * flow.c (initialize_uninitialized_subregs): Make it static.
18466 * rtl.h: Remove the prototype for
18467 initialize_uninitialized_subregs.
18469 * function.c (instantiate_virtual_regs): Make it static.
18470 * function.h: Remove the prototype for
18471 instantiate_virtual_regs.
18473 * regmove.c (regmove_optimize, combine_stack_adjustments):
18475 * rtl.h: Remove the prototypes for regmove_optimize and
18476 combine_stack_adjustments.
18478 2006-01-17 Roger Sayle <roger@eyesopen.com>
18480 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18481 (size_cost): Encode costs in bytes so that a reg-reg addition is
18482 equivalent to COSTS_N_INSNS(1).
18483 (override_options): Use the size_cost.branch_cost as the default
18484 ix86_branch_cost when optimizing for size.
18486 2006-01-18 Ben Elliston <bje@au.ibm.com>
18488 * Makefile.in (D32PBIT_FUNCS): New.
18489 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18490 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18491 D64PBIT_FUNCS and D128PBIT_FUNCS.
18492 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18493 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18495 (decnumber_dep): Define.
18496 * doc/libgcc.texi (Decimal float library routines): New node.
18497 * config/dfp-bit.h, config/dfp-bit.c: New files.
18499 2006-01-18 Ben Elliston <bje@au.ibm.com>
18501 * expr.c (emit_move_change_mode): Always adjust addresses, not
18502 just during reload. Copy replacements only during reload.
18503 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18504 emit_move_via_integer.
18506 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18508 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18509 instead of $(srcdir) and ${srcdir}.
18511 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18514 PR middle-end/11135
18515 * arm.h (struct machine_function): Add pic_reg.
18516 * arm.c (arm_pic_register): Make unsigned.
18517 (arm_override_options): Only set arm_pic_register if
18518 TARGET_SINGLE_PIC_BASE.
18519 (use_return_insn): Only test for a pic register if it is fixed.
18520 (arm_compute_save_reg0_reg12_mask): Likewise.
18521 (thumb_compute_save_reg_mask): Likewise.
18522 (legitimate_pic_operand): Factor out some known invariants.
18523 (legitimize_pic_address): If we don't have a fixed pic register,
18524 then set up a pseudo in the function entry sequence. Handle the
18525 pic base being in a pseudo.
18526 (arm_load_pic_register): Handle the pic register being in a pseudo.
18527 (arm_expand_prologue): Only set up the pic register if it is fixed.
18528 (thumb_expand_prologue): Likewise.
18529 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18530 (pic_load_addr_based_insn): Likewise.
18531 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18534 2006-01-18 Ben Elliston <bje@au.ibm.com>
18536 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18537 decimal float modes for all floating point registers.
18539 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18540 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18542 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18545 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18546 even when the pointer is not NULL.
18548 2006-01-16 Ian Lance Taylor <ian@airs.com>
18550 * common.opt (ftoplevel-reorder): New option.
18551 * cgraph.c (cgraph_asm_nodes): New global variable.
18552 (cgraph_asm_last_node): New static variable.
18553 (cgraph_order): New global variable.
18554 (cgraph_create_node): Set new order field.
18555 (cgraph_varpool_node): Likewise.
18556 (decide_is_variable_needed): Return true if not
18557 flag_toplevel_reorder.
18558 (cgraph_add_asm_node): New function.
18559 * cgraph.h (struct cgraph_node): Add order field.
18560 (struct cgraph_varpool_node): Add order field.
18561 (struct cgraph_asm_node): Define.
18562 (cgraph_asm_nodes, cgraph_order): Declare.
18563 (cgraph_add_asm_node): Declare.
18564 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18566 (cgraph_varpool_assemble_pending_decls): Call it.
18567 (cgraph_output_pending_asms): New static function.
18568 (cgraph_finalize_compilation_unit): Call it.
18569 (struct cgraph_order_sort): Define.
18570 (cgraph_output_in_order): New static function.
18571 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18572 !flag_toplevel_reorder case.
18573 * c-parser.c: Include "cgraph.h".
18574 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18576 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18577 than -fno-unit-at-a-time.
18578 * doc/invoke.texi (Option Summary): Mention
18579 -fno-toplevel-reorder.
18580 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18581 -funit-at-a-time documentation.
18583 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18584 Kazu Hirata <kazu@codesourcery.com>
18586 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18588 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18590 * Makefile.in (FUNCTION_H): New. Use it instead of
18591 function.h throughout the file.
18592 * function.h: Include tree.h.
18594 2006-01-17 Ben Elliston <bje@au.ibm.com>
18596 * recog.c: Separate some functions with whitespace.
18598 2006-01-16 Richard Henderson <rth@redhat.com>
18600 Merge from gomp branch:
18601 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18602 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18603 and rename from struct inline_data. Rename callee* to dst*;
18604 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18605 transform_new_cfg, transform_return_to_modify, and
18606 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18608 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18609 (copy_decl_for_dup): Remove.
18610 * tree-inline.c (struct inline_data): Move to header.
18611 (insert_decl_map): Export.
18612 (remap_decl): Update for member name changes. Use copy_decl hook.
18613 Allow for replacement to be a non-decl. Remove dead code.
18614 (remap_type_1): Check for existing mapping.
18615 (remap_type): Export.
18616 (remap_decls): Update for member name changes.
18617 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18618 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18619 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18620 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18621 (tree_function_versioning, build_duplicate_type): Likewise.
18622 (copy_body_r): Likewise. Export.
18623 (copy_decl_for_dup): Split into ...
18624 (copy_decl_for_dup_finish, copy_decl_to_var,
18625 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18626 (replace_ref_tree, inlining_p): Remove.
18628 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18630 * ifcvt.c (if_convert): Make it static.
18631 * rtl.h: Remove the prototype for if_convert.
18633 * local-alloc.c (local_alloc): Make it static.
18634 * rtl.h: Remove the prototype for local_alloc.
18636 * loop.c (loop_optimize): Make it static.
18637 * cfgloop.h: Remove the prototype for loop_optimize.
18640 2006-01-16 DJ Delorie <dj@redhat.com>
18642 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18645 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18647 * pa.md: Disparage copies between general and floating-point registers
18648 in 32-bit move patterns.
18650 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18653 * Makefile.in (check-%): Depend on site.exp instead of
18654 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18657 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18659 * global.c (global_alloc): Make it static.
18660 * rtl.h: Remove the prototype for global_alloc.
18662 2006-01-16 Richard Guenther <rguenther@suse.de>
18664 * tree-ssa-alias.c (struct used_part): Add write_only field.
18665 (get_or_create_used_part_for): Initialize it to true.
18666 (create_overlap_variables_for): Don't create structure variables
18667 for structures that only are written to.
18668 (find_used_portions): Handle MODIFY_EXPR to track whether a
18669 structure is only written to.
18671 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18673 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18675 * basic-block.h: Remove the prototype for
18676 partition_hot_cold_basic_blocks.
18678 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18680 * cppspec.c (lang_specific_spec_functions): Remove.
18681 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18682 * gcc.h (lang_specific_spec_functions): Remove.
18683 * gccspec.c (lang_specific_spec_functions): Remove.
18685 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18687 * combine.c (record_value_for_reg): Invalidate registers
18689 (record_dead_and_set_regs_1): Likewise, by passing them to
18690 record_value_for_reg.
18691 (record_dead_and_set_regs): Invalidate stores made by a
18692 call. We do not combine across a call, but we still
18693 relied on equivalences.
18695 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18697 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18698 vrp_int_const_binop returning non-constant nodes.
18700 2006-01-16 Paul Brook <paul@codesourcery.com>
18702 * config/m68k/m68k.c (output_move_const_into_data_reg):
18703 Output correct mnemonic for mvz and mvs.
18705 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18707 * rtl-factoring.c: Add sequence abstraction algorithm.
18708 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18709 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18711 (block_has_preserve_label): New function.
18712 * common.opt: Register new pass.
18713 * Makefile.in: Ditto.
18715 * timevar.def: Ditto.
18716 * tree-pass.h: Ditto.
18717 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18718 * rtl.h (make_jump_insn_raw): Add forward decl.
18719 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18721 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18722 Roger Sayle <roger@eyesopen.com>
18724 * fold-const.c (fold_minmax): New static function.
18725 (fold_binary) <MIN_EXPR>: Call it.
18726 <MAX_EXPR>: Likewise.
18727 * stor-layout.c (place_field): Use DECL_SIZE consistently
18728 in the computation of the new record size.
18730 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18732 * cse.c (cse_condition_code_reg): Make it static.
18733 * rtl.h: Remove the prototype for cse_condition_code_reg.
18735 * combine.c (combine_instructions): Make it static.
18736 * rtl.h: Remove the prototype for combine_instructions.
18738 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18741 * tree.c (get_file_function_name_long): Concatenate the first global
18742 object name with a string derived from the input filename of the object
18745 2006-01-16 Ben Elliston <bje@au.ibm.com>
18747 * config/i386/winnt-stubs.c: Update FSF address.
18748 * config/xtensa/ieee754-df.S: Ditto.
18749 * config/xtensa/ieee754-sf.S: Ditto.
18751 2006-01-14 Ian Lance Taylor <ian@airs.com>
18753 * ifcvt.c (noce_init_if_info): New static function, broken out of
18754 noce_process_if_block.
18755 (noce_process_if_block): Call noce_init_if_info.
18756 (check_cond_move_block): New static function.
18757 (cond_move_process_if_block): New static function.
18758 (process_if_block): Call cond_move_process_if_block.
18760 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18762 * cselib.c (hash_table): Rename to cselib_hash_table.
18763 (cselib_clear_table, discard_useless_values,
18764 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18765 cselib_init, cselib_finish): Adjust uses of hash_table.
18767 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18769 PR tree-optimization/25485
18770 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18771 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18772 is known to be false and true, respectively.
18774 2006-01-14 Richard Guenther <rguenther@suse.de>
18776 PR tree-optimization/22548
18777 PR tree-optimization/22555
18778 PR tree-optimization/22501
18779 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18780 * params.def (salias-max-array-elements): New parameter.
18781 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18782 * doc/invoke.texi (salias-max-array-elements): Document.
18783 * tree-flow-inline.h (var_can_have_subvars): We also handle
18785 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18787 * tree-ssa-structalias.c (params.h): Include.
18788 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18789 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18790 (get_constraint_for): For ADDR_EXPR operating on something
18791 containing an ARRAY_REF, add all subvars to the solution.
18792 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18793 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18794 for creating MUST_DEFs.
18795 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18797 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18799 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18801 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18802 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18803 number_of_iterations_le): New functions.
18804 (number_of_iterations_special): Removed.
18805 (number_of_iterations_exit): Do not use number_of_iterations_special.
18806 * tree.c (unsigned_type_for): Always return integer type.
18808 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18809 Richard Guenther <rguenther@suse.de>
18811 PR rtl-optimization/24257
18812 * gcse.c (find_moveable_store): Only consider a store movable
18813 when the SET_SRC of the insn can be assigned to a register.
18815 2006-01-14 Ian Lance Taylor <ian@airs.com>
18817 * tree.c (tree_not_class_check_failed): New function.
18818 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18819 (tree_not_class_check_failed): Declare.
18821 2006-01-13 Ian Lance Taylor <ian@airs.com>
18823 * reload1.c (do_output_reload): Add assertion rejecting a
18826 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18828 * combine.c (struct reg_stat): Add new fields truncation_label and
18830 (record_value_for_reg): Reset truncated_to_mode.
18831 (record_truncated_value): New function.
18832 (check_promoted_subreg): Call it. Rename to check_conversions.
18833 (combine_instructions): Rename check_promoted_subreg to
18835 (reg_truncated_to_mode): New function.
18836 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18837 (gen_lowpart_or_truncate): New function.
18838 (force_to_mode): Use it instead of gen_lowpart.
18840 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18842 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18843 VAR is a tag, not its type tag.
18845 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18847 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18848 alternatives to match style of other entries.
18849 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18851 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18853 PR tree-optimization/25771
18854 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18857 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18860 * tree-inline.c (declare_return_variable): If the return variable
18861 was marked as a non gimple complex, set the return slot variable
18862 to be a non gimple comple variable.
18864 2006-01-13 Richard Guenther <rguenther@suse.de>
18866 * builtins.c (expand_builtin_sincos): New function.
18867 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18869 (expand_builtin): Expand sincos using expand_builtin_sincos.
18871 2006-01-12 DJ Delorie <dj@redhat.com>
18873 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18874 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18875 so that constant shifts can be split.
18876 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18877 (m32c_valid_pointer_mode): Make static.
18878 (shift_gen_func_for): New.
18879 (m32c_prepare_shift): Use it. Split large const shifts into
18881 * config/m32c/predicates.md (shiftcount_operand): Allow more
18883 (longshiftcount_operand): New.
18884 * doc/md.texi (Machine Constraints): Document In6.
18886 2006-01-13 Ben Elliston <bje@au.ibm.com>
18888 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18889 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18892 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18894 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18895 to try to avoid clobbering pieces of structures when we know
18896 something about the whole structure.
18897 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18899 2006-01-13 Ben Elliston <bje@au.ibm.com>
18901 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18902 return in memory, as this is no limitation is no longer present.
18904 2006-01-12 DJ Delorie <dj@redhat.com>
18906 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18907 mova with fb, and for fb+0 -> An.
18909 * config/m32c/mov.md (peephole2): Fix enabling logic.
18911 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18912 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18913 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18914 FINI_ARRAY_SECTION_ASM_OP): Define.
18916 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18918 (m32c_legitimize_reload_address): New logic to reload FB to An.
18919 (m32c_output_reg_push): Add newline.
18920 (m32c_output_reg_pop): Likewise.
18922 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18924 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18926 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18928 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18930 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18932 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18935 2006-01-11 Ben Elliston <bje@au.ibm.com>
18937 * rtlanal.c (find_reg_note): Assert insn is not null.
18939 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18941 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18944 2006-01-11 Jeff Law <law@redhat.com>
18946 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18948 (mark_threaded_blocks, register_jump_thread): New functions.
18949 (thread_through_all_blocks): Remove unwanted argument. No
18950 longer rely on e->aux to communicate thread target info.
18951 Call mark_threaded_blocks. Release the threaded_blocks
18952 bitmap and threaded_edges vector when complete.
18953 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18954 (threaded_blocks): Remove.
18955 (tree_ssa_dominator_optimize): Remove initialization and
18956 finalization of threaded_blocks. Simplify call to
18957 thread_through_all_blocks.
18958 (thread_across_edge): Call register_jump_thread rather than
18959 storing thread information into e->aux.
18960 (free_all_edge_infos): Simplify now that e->aux is no longer
18961 used to communicate with thread_through_all_blocks.
18962 * tree-flow.h (thread_through_all_blocks): Update prototype.
18963 (register_jump_thread): Prototype.
18965 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18967 * df-core.c (df_compact_blocks, df_bb_replace): Use
18968 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18970 2006-01-11 Richard Guenther <rguenther@suse.de>
18972 PR tree-optimization/25734
18973 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18974 stop propagation after successful propagation to the LHS.
18976 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18978 * basic-block.h (control_flow_graph): Change the type of
18979 x_basic_block_info to VEC(basic_block,gc) *.
18980 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18982 (SET_BASIC_BLOCK): New.
18983 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18984 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18985 * cfgbuild.c (find_basic_blocks): Likewise.
18986 * cfglayout.c (fixup_reorder_chain): Likewise.
18987 * cfgrtl.c (create_basic_block_structure,
18988 rtl_create_basic_block): Likewise.
18989 * ifcvt.c (find_if_case_1): Likewise.
18990 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18993 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18995 * Makefile.in: Removed rotted odf.c entry.
18997 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19000 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19001 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19002 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19003 output pattern modifier, not %e.
19004 * config/cris/cris.c (cris_op_str): Update comment about pattern
19006 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19007 before falling through into...
19008 <case 'E'>: Redefined from old 'e' case.
19010 2006-01-11 Jan Hubicka <jh@suse.cz>
19013 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19015 2006-01-11 Jan Hubicka <jh@suse.cz>
19017 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19018 * i386.c (x86_decompose_lea): Kill.
19019 (ix86_rtx_costs): Kill.
19021 2006-01-11 Jan Hubicka <jh@suse.cz>
19023 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19024 * cgraph.h (cgraph_node): Add inline_decl.
19025 (cgraph_insert_node_to_hashtable): Declare.
19026 (save_inline_function_body): Declare.
19027 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19029 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19030 (cgraph_function_versioning): Update call of tree_function_versioning.
19031 (save_inline_function_body): New function.
19032 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19033 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19034 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19035 (cgraph_default_inline_p): Likewise.
19036 (cgraph_decide_inlining_incrementally): Likewise.
19037 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19038 (copy_bb): Kill saving; do updating of clones.
19039 (copy_cfg_body): Kill saving.
19040 (initialize_inlined-parameters): Likewise.
19041 (expand_call_inline): Likewise.
19043 (tree_function_versioning): New parameter "update_clones".
19044 (inlining_p): Kill saving.
19045 * tree-inline.h (tree_function_versioning): Update prototype.
19046 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19049 2006-01-11 Ian Lance Taylor <ian@airs.com>
19051 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19052 Allow undoing set of machine mode.
19053 (do_SUBST): Use enums instead of is_int.
19054 (do_SUBST_MODE): New function.
19055 (SUBST_MODE): New macro.
19056 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19057 reg and trying to replace reg_regno_rtx with a new register.
19058 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19059 (simplify_set): Use SUBST_MODE.
19060 (distribute_notes): Remove code that tried to update reg notes
19061 for regno_reg_rtx changes.
19063 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19065 PR tree-optimization/23109
19066 PR tree-optimization/23948
19067 PR tree-optimization/24123
19069 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19070 * tree-cfg.c (single_noncomplex_succ): New.
19071 * tree-flow.h (single_noncomplex_succ): Declare it.
19072 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19073 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19074 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19075 insert_bb, register_division_in, insert_reciprocals,
19076 replace_reciprocal, free_bb): New.
19077 (execute_cse_reciprocals_1): Rewritten.
19078 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19079 Do not commit any edge insertion. Always compute dominators and
19080 create the allocation pool.
19081 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19082 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19083 * targhooks.c (default_min_divistions_for_recip_mul): New.
19084 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19085 * passes.c (init_optimization_passes): Run recip after tree loop
19087 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19089 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19090 Kenneth Zadeck <zadeck@naturalbridge.com>
19092 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19093 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19094 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19095 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19096 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19097 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19098 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19099 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19100 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19101 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19102 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19103 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19104 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19105 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19106 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19107 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19108 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19109 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19110 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19111 DF_SCAN_POST_ALLOC): New macros.
19112 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19113 df_free_bb_function, df_local_compute_function, df_init_function,
19114 df_dataflow_function, df_confluence_function_0,
19115 df_confluence_function_n, df_transfer_function,
19116 df_finalizer_function, df_free_function, df_dump_problem_function,
19117 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19118 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19119 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19120 df_urec_bb_info, ) New types.
19121 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19123 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19124 df_analyze_simple_change_some_blocks,
19125 df_analyze_simple_change_one_block, df_compact_blocks,
19126 df_bb_replace, df_bb_regno_last_use_find,
19127 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19128 df_insn_regno_def_p, df_find_def, df_find_use,
19129 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19130 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19131 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19132 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19133 debug_df_chain, df_get_dependent_problem, df_chain_create,
19134 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19135 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19136 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19137 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19138 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19139 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19140 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19141 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19142 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19143 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19144 df_reorganize_refs, df_set_state, df_hard_reg_init,
19145 df_read_modify_subreg_p) New public functions.
19146 * df-core.c: The core dataflow solver and glue routines for rtl
19148 (df_init, df_add_problem, df_set_blocks, df_finish,
19149 df_hybrid_search_forward, df_hybrid_search_backward,
19150 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19151 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19152 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19153 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19154 df_reg_defined, df_find_use, df_reg_used, df_dump,
19155 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19156 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19157 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19158 debug_df_useno, reset_df_after_reload): New functions.
19159 * df-scan.c: The scanning fuctions, once in df.c, completely
19160 rewritten so that they now fully model the functionality of
19161 register usage at the backend.
19162 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19163 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19164 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19165 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19166 df_get_artificial_defs, df_get_artificial_uses,
19167 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19168 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19169 df_refs_delete, df_reorganize_refs, df_set_state,
19170 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19171 df_def_record_1, df_defs_record, df_uses_record,
19172 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19173 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19174 df_record_exit_block_uses, df_hard_reg_init): New functions.
19176 * df-problems.c: Seven concrete dataflow problems that use the
19177 scanning in df-scan.c and are solved by the engine in df-core.c.
19178 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19179 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19180 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19181 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19182 df_ru_free_bb_info, df_ru_alloc,
19183 df_ru_bb_local_compute_process_def,
19184 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19185 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19186 df_ru_transfer_function, df_ru_free, df_ru_dump,
19187 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19188 df_rd_free_bb_info, df_rd_alloc,
19189 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19190 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19191 df_rd_transfer_function, df_rd_free, df_rd_dump,
19192 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19193 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19194 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19195 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19196 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19197 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19198 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19199 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19200 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19201 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19202 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19203 df_urec_mark_reg_use_for_earlyclobber,
19204 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19205 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19206 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19207 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19208 df_chain_create_bb_process_use, df_chain_create_bb,
19209 df_chain_finalize, df_chain_free, df_chains_dump,
19210 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19211 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19212 df_reg_lifetime): New functions.
19213 * df.c: Deleted file.
19214 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19215 consistent with new df api.
19216 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19217 rest_of_handle_sms): Ditto.
19218 * web.c (unionfind_union, union_defs, entry_register, web_main):
19220 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19221 invariant_expr_equal_p, find_defs, check_dependencies,
19222 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19223 free_inv_motion_data, move_loop_invariants): Ditto.
19224 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19225 Update dependencies.
19226 (odf.c): Added defective entry that was deleted later in day.
19227 * sched-deps.c (sched_analyze_1): Ditto.
19229 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19231 * tree-ssa-operands.c (get_expr_operands): Record addressable
19232 variables directly. Do not call add_stmt_operands for CONST_DECLs
19234 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19235 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19237 2006-01-11 Ben Elliston <bje@au.ibm.com>
19239 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19240 function returns true in the positive case.
19242 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19245 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19246 for SI, DI, SF and DF modes. Add alternatives to copy between
19247 general and floating point registers to the 32-bit patterns.
19248 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19249 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19250 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19251 generating 64-bit code.
19252 * config/pa/pa.c (output_move_double): Handle copies between general
19253 and floating registers.
19255 2006-01-10 Stuart Hastings <stuart@apple.com>
19257 * config/i386/i386.md (set_got): Update.
19258 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19259 (builtin_setjmp_receiver): Mach-O support.
19260 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19261 (GOT_SYMBOL_NAME): Define.
19262 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19263 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19264 * config/i386/i386.c (override_options): Revise for Darwin.
19265 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19266 support. (darwin_x86_file_end): New. (output_set_got): Add label
19267 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19268 * config/i386/i386-protos.h (output_set_got): Likewise.
19269 * config/darwin.c (machopic_legitimize_pic_address): Update
19272 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19274 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19275 when MODE isn't BLKmode.
19277 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19279 PR rtl-optimization/25367
19280 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19282 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19285 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19286 for a negative bound.
19288 2006-01-10 Richard Guenther <rguenther@suse.de>
19290 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19291 Never override with anything constraint.
19293 2006-01-10 Jan Beulich <jbeulich@novell.com>
19295 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19296 256 bits when optimize_size.
19298 2006-01-10 Jan Beulich <jbeulich@novell.com>
19300 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19302 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19303 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19306 2006-01-10 Ben Elliston <bje@au.ibm.com>
19308 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19310 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19311 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19312 (USE_FP_FOR_ARG): Reject decimal float modes.
19313 (function_arg_advance): Likewise.
19314 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19315 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19316 point types in AltiVec vectors.
19317 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19318 (rs6000_libcall_value): Likewise.
19320 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19322 * config/xtensa/ieee754-df.S: New file.
19323 * config/xtensa/ieee754-sf.S: New file.
19324 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19325 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19326 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19328 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19330 * config/sh/predicates.md (binary_float_operator,
19331 binary_logical_operator, commutative_float_operator,
19332 equality_comparison_operator, greater_comparison_operator,
19333 less_comparison_operator, logical_operator,
19334 noncommutative_float_operator, shift_operator,
19335 symbol_ref_operand, unary_float_operator): Remove redundant
19338 2006-01-09 Jeff Law <law@redhat.com>
19340 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19341 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19342 now unused arguments. Callers updated.
19343 (eliminate_redundant_computations): Remove now unused arguments,
19345 (local_fold): Remove, no longer used.
19346 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19348 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19349 (simplify_cond): New function.
19350 (forward_propagate_into_cond): Call simplify_cond.
19352 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19354 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19355 (*vec_extractv2di_1_sse): New.
19357 2006-01-09 Ben Elliston <bje@au.ibm.com>
19359 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19361 2006-01-08 Richard Guenther <rguenther@suse.de>
19363 * tree-ssa-structalias.c (get_constraint_for): Remove
19364 anyoffset argument.
19365 (get_constraint_for_component_ref): Likewise.
19366 (do_deref): Likewise.
19367 (get_constraint_for): Likewise.
19368 (do_structure_copy): Likewise.
19369 (handle_ptr_arith): Likewise.
19370 (find_func_aliases): Likewise. Remove unused need_anyoffset
19373 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19374 Kaz Kojima <kkojima@gcc.gnu.org>
19376 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19377 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19378 (EXTRA_CONSTRAINT_C16): Remove.
19379 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19380 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19381 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19382 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19383 constants of SHmedia. Handle nested constant expressions of
19385 (andcosts): Fix the costs for SHmedia constants.
19386 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19387 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19388 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19389 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19390 (movv4hi_i, movv2si_i): Likewise.
19391 (movsi_const): Adjust the second operand of ior so to match with
19392 the Csu constraint.
19393 (movdi_const, movdi_const_32bit): Likewise.
19394 (movdi_const_16bit+1): Don't sign-extend LOW.
19395 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19397 (*double_shori): Fix the split condition. Use GEN_INT instead
19398 of get_int_mode calls. Mask lower 16-bit of the argument of
19400 (sym2GOTPLT): Remove.
19401 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19403 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19404 instead of EXTRA_CONSTRAINT_C16.
19406 2006-01-07 Ian Lance Taylor <ian@airs.com>
19407 David Edelsohn <edelsohn@gnu.org>
19409 PR rtl-optimization/25662
19410 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19411 for constant operands instead of simplify_gen_binary.
19412 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19413 after trying simplify_binary_operation
19415 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19417 * tree.c (iterative_hash_expr): Hash decls based on UID.
19419 2006-01-06 Eric Christopher <echristo@apple.com>
19421 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19422 (TARGET_UNWIND_EMIT): Fix spelling.
19423 * target.h (gcc_target): Add except_table_label.
19424 * except.c (output_function_exception_table): Use.
19425 * varasm.c (default_emit_except_table_label): New.
19426 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19428 (asm_out): Add here.
19429 * output.h (default_emit_except_table_label): Prototype.
19430 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19431 * config/darwin.c (darwin_emit_except_table_label): Define.
19432 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19434 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19436 PR tree-optimization/18527
19437 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19438 number_of_iterations_special, number_of_iterations_exit):
19439 Move base and step of an iv to a single structure. Add
19440 no_overflow flag, and use it in # of iterations analysis.
19441 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19442 folded_casts argument.
19443 (simple_iv): Pass base and step in a structure. Set no_overflow
19445 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19446 Evaluate expensiveness of computing # of iterations instead of
19447 the final expression.
19448 * tree-scalar-evolution.h (affine_iv): New structure.
19449 (simple_iv): Declaration changed.
19450 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19451 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19452 find_givs_in_stmt): Changed due to simple_iv change.
19454 2006-01-06 Jeff Law <law@redhat.com>
19457 * tree-cfg.c (bsi_replace): Rename final argument from
19458 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19459 change (stmt -> orig_stmt).
19460 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19461 (bsi_remove): Add new argument. Remove EH information
19463 (verify_eh_throw_table_statements): New function.
19464 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19466 * tree-optimize.c (execute_free_cfg_annotations): Verify
19467 the EH throw statement table after removing annotations.
19468 * except.h (verify_eh_throw_table_statements): Prototype.
19469 * tree-flow.h (bsi_remove): Update prototype.
19470 * tree-vrp.c (remove_range_assertions): Add new argument to
19472 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19473 * tree-complex.c (expand_complex_div_wide): Likewise.
19474 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19475 * tree-tailcall.c (eliminate_tailcall): Likewise.
19476 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19477 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19478 * tree-nrv.c (tree_nrv): Likewise.
19479 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19480 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19481 (combine_blocks): Likewise.
19482 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19483 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19484 (cleanup_control_flow): Likewise.
19485 (remove_forwarder_block): Likewise.
19486 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19487 * tree-sra.c (sra_replace): Likewise.
19488 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19489 (forward_propagate_single_use_vars): Likewise.
19490 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19491 * tree-inline.c (expand_call_inline): Likewise.
19492 * tree-vect-transform.c (vect_transform_loop): Likewise.
19493 * tree-outof-ssa.c (rewrite_trees): Likewise.
19494 * tree-cfg.c (make_goto_expr_edges): Likewise.
19495 (cleanup_dead_labels): Likewise.
19496 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19497 (bsi_move_before, bsi_move_after): Likewise.
19498 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19499 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19501 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19504 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19506 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19507 on non gimple variables. Also add checks at the top for decls and
19509 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19511 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19512 and IMAGPART_EXPR for creating MUST_DEFs.
19513 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19514 and NAME_MEMORY_TAG separately from the DECLs.
19516 2006-01-06 Richard Guenther <rguenther@suse.de>
19518 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19519 annotation, if necessary.
19520 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19521 redundant calls to update_stmt.
19522 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19525 2006-01-05 Richard Henderson <rth@redhat.com>
19527 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19529 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19531 * c-typeck.c: Update copyright date.
19533 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19535 * c-typeck.c (build_c_cast): Always warn when casting
19536 from a pointer to an integer of different size, even if
19537 the node was constant.
19539 2006-01-05 Richard Guenther <rguenther@suse.de>
19541 PR tree-optimization/22555
19542 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19543 if one structure field is an array.
19544 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19545 operands even if we found a subvar, but ignore VOPs in this
19547 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19549 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19551 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19553 PR middle-end/24998
19554 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19556 2006-01-05 Richard Guenther <rguenther@suse.de>
19557 Diego Novillo <dnovillo@redhat.com>
19559 * tree-pass.h (TODO_remove_unused_locals): Define.
19560 * gimple-low.c (expand_var_p, remove_useless_vars,
19561 pass_remove_useless_vars): Remove. Update all users.
19562 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19563 (remove_unused_locals): New function.
19564 * tree-flow.h (remove_unused_locals): Declare.
19565 * passes.c (execute_todo): Call remove_unused_locals if
19566 TODO_remove_unused_locals is set.
19567 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19568 * tree-ssa-dce.c (pass_dce): Likewise.
19569 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19571 2006-01-05 Richard Guenther <rguenther@suse.de>
19573 * tree-flow.h (struct fieldoff): Decompose field to
19574 type, size and decl.
19575 * tree-ssa-alias.c (create_sft): Take type as parameter.
19576 (create_overlap_variables_for): Store type, size and decl
19577 in the fieldoff structure.
19578 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19579 of struct fieldoff.
19580 (push_fields_onto_fieldstack): Likewise.
19581 (create_variable_info_for): Likewise. Use offset for the
19582 SFT name if the decl is not available.
19584 2006-01-04 Paul Brook <paul@codesourcery.com>
19586 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19588 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19590 * lambda-code.c (can_put_in_inner_loop): Relax
19592 (can_put_after_inner_loop): New function.
19593 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19594 (perfect_nestify): Change to make copies and modify uses.
19596 2006-01-04 Richard Henderson <rth@redhat.com>
19598 Merge from gomp branch:
19599 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19600 via integer constant.
19601 (pragma_lex): Remove.
19602 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19603 rather than parsing it.
19604 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19605 handle_pragma_extern_prefix): Add %< %> quotes.
19606 (registered_pragmas): New.
19607 (c_register_pragma_1): New.
19608 (c_register_pragma): Use it.
19609 (c_register_pragma_with_expansion): Likewise.
19610 (c_invoke_pragma_handler): New.
19611 (init_pragma): Use cpp_register_deferred_pragma directly for
19613 * c-pragma.h (enum pragma_kind): New.
19614 (pragma_handler): New.
19615 (c_invoke_pragma_handler): Declare.
19616 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19618 * c-common.h (c_common_pch_pragma): Update decl.
19619 * Makefile.in (c-parser.o): Update dependencies.
19620 (GTFILES): Add c-pragma.h.
19621 * c-parser.c (struct c_token): Add pragma_kind.
19622 (struct c_parser): Add in_pragma.
19623 (c_lex_one_token): Always initialize keyword and pragma_kind.
19624 Extract data for CPP_PRAGMA.
19625 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19626 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19627 Don't allow CPP_PRAGMA_EOL if in_pragma.
19628 (c_parser_consume_pragma): New.
19629 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19630 (c_parser_skip_to_end_of_parameter): Likewise.
19631 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19632 (c_parser_skip_to_pragma_eol): New.
19633 (c_parser_external_declaration): Handle CPP_PRAGMA.
19634 (c_parser_compound_statement_nostart): Likewise.
19635 (c_parser_statement_after_labels): Likewise.
19636 (c_parser_pragma): New.
19637 (pragma_lex): Likewise.
19638 (c_parser_pragma_pch_preprocess): New.
19639 (c_parser_new): Merge into ...
19640 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19642 2006-01-04 Jeff Law <law@redhat.com>
19645 * tree-cfg.c (bsi_replace): Remove the original statement
19646 from the EH throw statement table.
19648 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19650 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19651 make the prototype extern "C" and add throw ().
19654 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19655 and pos non-negative and pos + len <= 32.
19656 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19657 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19658 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19661 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19662 as well as sizes not multiple of component size.
19665 * function.c (instantiate_expr): New function.
19666 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19667 walk its DECL_VALUE_EXPR with instantiate_expr.
19669 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19670 DW_OP_deref{,_size} if address isn't going to be added.
19672 2006-01-04 Ben Elliston <bje@au.ibm.com>
19674 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19675 * config/fp-bit.c: Likewise.
19677 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19679 * dominance.c: Add comment about why we use DFS numbering
19682 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19683 Richard Henderson <rth@redhat.com>
19685 Merge from gomp-branch:
19686 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19687 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19689 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19691 PR rtl-optimization/25578
19692 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19693 pass a parameter to simplify_shift_const if changing ASHIFTRT
19696 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19698 * builtins.c (get_builtin_sync_mem): New function.
19699 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19700 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19701 Call get_builtin_sync_mem to generate mem rtx.
19703 2006-01-03 Richard Guenther <rguenther@suse.de>
19706 * stmt.c (add_case_node): Make sure to clear overflow flags
19709 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19711 Merge from gomp-branch.
19712 * config/sparc/sync.md: New file.
19713 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19714 UNSPECV_LDSTUB): New constants.
19715 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19716 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19717 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19720 2006-01-03 Roger Sayle <roger@eyesopen.com>
19722 * combine.c (reg_subword_p): New predicate to test whether the
19723 destination of a set refers to a subword/piece of a register.
19724 (try_combine): Generalize the code to merge the setting of a
19725 pseudo to a constant followed by a set of a subword of that
19726 register to a constant.
19728 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19730 * basic-block.h (control_flow_graph): Change the type of
19731 x_label_to_block_map to VEC(basic_block,gc) *.
19732 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19733 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19735 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19736 VEC(basic_block,heap) *.
19737 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19738 ssa_prop_fini): Adjust the uses of cfg_blocks.
19740 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19742 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19744 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19745 hashing trees instead of a pointer hash.
19746 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19747 compare for MEM_EXPR.
19749 PR rtl-optimization/25130
19750 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19751 when comparing MEMs for GCSE
19753 2006-01-03 Ben Elliston <bje@au.ibm.com>
19755 * targhooks.h (default_decimal_float_supported_p): Declare.
19756 * targhooks.c (default_decimal_float_supported_p): Define.
19757 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19758 `default_decimal_float_supported_p'.
19759 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19761 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19763 * combine.c (apply_distributive_law <SUBREG>): Check
19764 TRULY_NOOP_TRUNCATION.
19766 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19768 * dwarf2out.c (have_switched_text_section): Delete.
19769 (have_multiple_function_sections): New.
19770 (have_location_lists): Make 'bool'.
19771 (add_AT_loc_list): Use 'true' not '1'.
19772 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19773 (output_loc_list): Use have_multiple_function_sections.
19774 (output_ranges): Likewise.
19775 (dwarf2out_begin_function): Set have_multiple_function_sections if
19777 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19778 Check function_section rather than DECL_SECTION_NAME.
19779 (dwarf2out_finish): Use have_multiple_function_sections.
19780 Don't clear have_location_lists.
19782 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19783 Jan Hubicka <jh@suse.cz>
19785 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19786 case of conditional jump jumping to the next instruction.
19787 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19788 cases of conditional jump jumping to the next instruction.
19790 2006-01-02 Jan Hubicka <jh@suse.cz>
19792 * i386.c (*_cost): Add COSTS_N_INSNS.
19793 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19795 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19798 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19800 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19802 * config/arm/arm.c (all_fpus): Fix comment typo.
19803 * config/darwin.c: Likewise.
19804 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19805 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19806 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19808 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19810 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19811 (rs6000_split_compare_and_swapqhi): New.
19812 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19813 (sync_compare_and_swapqhi_internal): New.
19814 * config/rs6000/rs6000-protos.h: Declare.