1 2006-11-27 Jan Hubicka <jh@suse.cz>
3 * expr.c (emit_block_move_via_libcall): Export.
4 (clear_storage_via_libcall): Rename to ...
5 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
6 (clear_storage): Update to set_storage_via_libcall.
7 * expr.h (emit_block_move_via_libcall): Declare
8 * config/i386/i386.h (stringop_alg): New enum.
9 (MAX_STRINGOP_ALGS): New constant.
10 (stringop_algs): New struct.
11 (processor_costs): Add memcpy/memset descriptors.
12 (TARGET_REP_MOVEL_OPTIMAL): Remove.
13 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
14 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
16 * config/i386/i386.opt (minline-stringops-dynamically,
17 mstringop-strategy): New
19 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
20 (ix86_expand-clrmem): Rename to ...
21 (ix86_expand_setmem): ... this one; update prototype.
22 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
23 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
24 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
25 nocona_cost, core2_cost, generic_cost, generic64_cost,
26 generic32_cost): Add memcpy/memset descriptors.
27 (x86_rep_movl_optimal): Remove.
28 (stringop_alg): New static variable.
29 (ix86_expand_aligntest): Handle predictions.
30 (override_options): Add strgop_alg handling.
31 (predict_jump): New function.
32 (scale_counter): New function.
33 (expand_set_or_movmem_via_loop): New function.
34 (expand_movmem_via_rep_mov): New function.
35 (expand_setmem_via_rep_stots): New function.
36 (emit_strmov): New function.
37 (expand_movmem_epilogue): New function.
38 (expand_setmem_epilogue_via_loop): New function.
39 (expand_setmem_epilogue): New function.
40 (expand_movmem_prologue): New function.
41 (expand_setmem_prologue): New function.
42 (decide_alg): New function.
43 (decide_alignment): New function.
44 (ix86_exand_movmem): Rewrite.
45 (promote_duplicated_reg): New function.
46 (ix86_expand_clrmem): Rename to ...
47 (ix86_expand_setmem): ... this one. Rewrite.
49 * invoke.texi (minline-stringops-dynamically): New command line option.
50 (mstringop-strategy): Likewise.
52 2006-11-27 Jan Hubicka <jh@suse.cz>
54 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
55 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
56 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
57 * insn-notes.def (FUNCTION_END): Remove.
58 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
59 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
61 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
62 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
63 * cfglayout.c (duplicate_insn_chain): Don't worry about
66 2006-11-27 Richard Guenther <rguenther@suse.de>
67 Zdenek Dvorak <dvorakz@suse.cz>
69 * target.h (struct gcc_target): Add builtin_vectorized_function
71 * target-def.h (TARGET_VECTORIZE): Likewise.
72 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
73 Document new target hook.
74 * targhooks.h (default_builtin_vectorized_function): Declare.
75 * targhooks.c (default_builtin_vectorized_function): Define.
76 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
77 (vectorizable_call): Declare.
78 * tree-vect-analyze.c (vect_analyze_operations): Call
80 * tree-vect-transform.c (vectorizable_function): New static function.
81 (build_vectorized_function_call): Likewise.
82 (vectorizable_call): New function.
83 (vect_transform_stmt): Handle vectorizable calls.
85 2006-11-27 Richard Guenther <rguenther@suse.de>
88 * builtins.c (expand_builtin_pow): Optimize non integer valued
89 constant exponents using sqrt or cbrt if possible. Always fall back
90 to expanding via optabs.
92 2006-11-27 Ira Rosen <irar@il.ibm.com>
94 PR tree-optimization/22372
95 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
96 the type of the base address.
97 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
98 it in the data-ref pointer creation.
99 (vect_init_vector): Add an argument, type of the init vector. Use it in
101 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
102 (get_initial_def_for_reduction): Likewise.
103 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
105 (vectorizable_assignment, vect_permute_store_chain): Likewise.
106 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
107 correct type in stmt creation.
108 (vect_setup_realignment): Use the correct type in stmt creation.
109 (vect_permute_load_chain): Change type of MODIFY_EXPR to
111 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
112 of MODIFY_EXPR to void_type_node.
113 (vectorizable_condition): Change type of MODIFY_EXPR to
115 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
118 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
121 2006-05-08 Uros Bizjak <uros@kss-loka.si>
122 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
123 standard 80387 constants, raise the cost to prevent
124 compress_float_constant() to generate load from memory.
126 * config/i386/i386.md: Add new splitter pattern to split
127 float_extended load of constant from constant pool into
130 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
132 * doc/install.texi: Move GMP/MPFR configure options from Fortran
133 section to general section. Remove documentation for
134 --with-mpfr-dir and --with-gmp-dir, add documentation for
135 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
138 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
140 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
142 * testsuite/gcc.dg/ipa/ipa-6.c: New.
144 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
146 PR tree-optimization/29122
147 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
148 for the new version. Assign NULL to DECL_RTL of the new version.
150 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
152 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
154 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
156 * cse.c (cse_altered): Remove.
157 (record_jump_equiv): Make true/false argument a bool instead
159 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
160 where appropriate. Emit a new jump before the existing one
161 instead of after so that delete_insn_and_edges removes the
162 dead edges properly. Check any_condjump_p before calling
164 (cse_basic_block): Check any_condjump_p before calling
166 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
168 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
170 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
171 -ffixed-line-length-* options.
173 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
175 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
176 (fprem1xf4): Rename to fprem1xf4_i387.
178 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
179 Rename patterns to fmod<mode>3. Use general_operand operand
180 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
181 patterns for SSE math.
182 (remaindersf3, remainderdf3): Ditto.
184 2006-11-25 Joseph Myers <joseph@codesourcery.com>
186 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
187 inside start_sequence / end_sequence pair.
189 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
191 * jump.c (mark_all_labels): Work in cfglayout mode.
192 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
193 when in cfglayout mode, because there are no dead jumptables
195 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
197 (commit_edge_insertions): Do not allow insertion of instructions
198 with control flow insns when in cfglayout mode.
200 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
202 * tree-vrp.c (execute_vrp): Do not pass loops structure through
204 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
205 unswitch_loop): Ditto.
206 * tree-loop-linear.c (linear_transform_loops): Ditto.
207 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
208 tree_ssa_lim): Ditto.
209 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
210 free_numbers_of_iterations_estimates): Ditto.
211 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
212 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
213 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
214 remove_path, add_loop, loopify, unloop, fix_loop_placements,
215 place_new_loop, duplicate_loop, duplicate_subloops,
216 update_single_exit_for_duplicated_loops, copy_loops_to,
217 duplicate_loop_to_header_edge, create_preheaders,
218 force_single_succ_latches, loop_version, fix_loop_structure):
220 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
221 tree_unroll_loop): Ditto.
222 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
223 * tree-scalar-evolution.c (select_loops_exit_conditions,
224 scev_initialize, scev_analysis): Ditto.
225 * tree-scalar-evolution.h (scev_initialize): Ditto.
226 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
227 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
228 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
229 * modulo-sched.c (sms_schedule): Ditto.
230 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
231 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
232 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
233 * ifcvt.c (if_convert): Ditto.
234 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
235 canonicalize_loop_induction_variables,
236 canonicalize_induction_variables,
237 tree_unroll_loops_completely, remove_empty_loops): Ditto.
238 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
239 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
240 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
241 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
242 tree_ssa_loop_done): Ditto.
243 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
244 estimate_bb_frequencies): Ditto.
245 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
246 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
247 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
248 decide_unrolling_and_peeling, peel_loop_completely,
249 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
250 peel_loop_simple, unroll_loop_stupid): Ditto.
251 * loop-doloop.c (doloop_optimize_loops): Ditto.
252 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
253 * loop-invariant.c (move_loop_invariants): Ditto.
254 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
255 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
256 tree_ssa_prefetch_arrays): Ditto.
257 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
259 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
260 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
261 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
262 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
263 verify_loop_structure): Ditto.
264 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
265 canonicalize_induction_variables, tree_unroll_loops_completely,
266 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
267 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
268 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
269 tree_unroll_loop, linear_transform_loops): Declaration changed.
270 * basic-block.h: Remove declaration of struct loops.
271 * cfghooks.h (struct cfg_hooks): Change type of
272 cfg_hook_duplicate_loop_to_header_edge.
273 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
274 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
275 vect_transform_loop): Declaration changed.
276 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
277 * cfgloop.h (flow_loops_dump, fix_loop_structure,
278 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
279 cancel_loop_tree, create_preheaders, force_single_succ_latches,
280 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
281 loopify, loop_version, remove_path, unswitch_loops,
282 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
285 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
288 (X87MODEF): New mode macro.
289 (ssemodefsuffix): New mode attribute.
290 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
291 (sqrt_extend<mode>xf2_i387): New insn pattern.
292 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
293 insn and truncate result back to original mode using
294 UNSPEC_TRUNC_NOOP truncation.
295 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
296 ssemodefsuffix mode attribute.
297 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
298 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
299 (*sqrtextenddfxf2_i387): Remove insn patterns.
301 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
304 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
306 2006-11-24 Jakub Jelinek <jakub@redhat.com>
309 * c-tree.h (c_maybe_initialize_eh): New prototype.
310 * c-decl.c (finish_decl): Move EH initialization...
311 (c_maybe_initialize_eh): ... here. New function.
312 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
313 if not #pragma omp atomic.
316 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
317 or UNION_TYPE inner types.
319 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
322 * ipa-pure-const.c (check_tree): If the original tree
323 is volatile return early and say the function is not pure
324 nor const. Remove the volatile check for writes.
325 (analyze_function): Print out the result of the local
328 2006-11-24 Joseph Myers <joseph@codesourcery.com>
330 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
332 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
333 * config/rs6000/rs6000.c (rs6000_override_options): Use
334 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
337 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
339 * config/s390.c (s390_emit_compare_and_swap): New function.
340 (s390_expand_cs_hqi, s390_expand_atomic): Call
341 s390_emit_compare_and_swap.
343 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
345 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
347 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
351 * c-common.c (conversion_warning): New.
352 (convert_and_check): Call conversion_warning unless there is an
354 * doc/invoke.texi (-Wconversion): Update description.
356 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
358 * tree-ssa-alias.c (tree_pointer_compare): New function.
359 (compact_name_tags): New function.
360 (group_aliases): Call compact_name_tags.
362 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
364 * real.h (real_isinteger): Declare.
365 * real.c (real_isinteger): Define.
366 * builtins.c (integer_valued_real_p): Use it.
368 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
371 * c.opt (Wtraditional-conversion): New.
372 (Wconversion): Update description.
373 * c-typeck.c (convert_arguments): Warnings for prototypes causing
374 type conversions different from what would happen in the absence
375 of prototype are now handled by Wtraditional-conversion.
376 * doc/invoke.texi (Wtraditional-conversion): New.
377 (Wconversion): Update description.
378 * doc/trouble.texi (Wconversion): Replace Wconversion by
379 Wtraditional-conversion.
381 2006-11-23 Andrew Pinski <pinskia@gmail.com>
383 * predict.c (tree_estimate_probability): Check to make
384 sure current_loops is non null before calling flow_loops_dump.
386 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
388 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
390 2006-11-23 David Ung <davidu@mips.com>
392 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
394 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
395 (ASM_SPEC): Pass along -mfp32 and -mfp64.
396 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
397 high part of FP register when in 64-bit FP register mode. Similarly
398 use gen_mfhc1 to load high part of FP register.
399 (override_options): Allow -mgp32 and -mfp64 combination if
400 ISA_HAS_MXHC1 (currently for O32 only).
401 (mips_cannot_change_mode_class): If floating-point registers are
402 bigger than word size. disallow conversion of float register from a
403 large integer mode to a float mode smaller than the float register
405 (mips_class_max_nregs): Handle float registers case seperately.
406 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
408 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
409 (movdf_hardfloat_32bit): Similarly.
410 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
411 support a full 64-bit fpu.
412 (mthc1): New pattern to generate MTHC1 instruction.
413 (mfhc1): New pattern to generate MFHC1 instruction.
414 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
415 option for the MIPS32R2 and mention its use under O32 ABI.
417 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
419 * var-tracking.c (emit_note_insn_var_location): Take care not to
420 cause verify_flow_info failures.
422 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
424 * tree-ssa-structalias.c: Remove edge weights in favor of just
425 processing them as complex constraints.
426 (struct constraint_graph): Remove weighted succs and preds. Rename
427 nonweighted succs and preds.
428 (constraint_edge): Removed.
429 (constraint_edge_t): Ditto.
430 (constraint_edge_pool): Ditto.
431 (new_constraint_edge): Ditto.
432 (constraint_edge_equal): Ditto.
433 (constraint_edge_less): Ditto.
434 (constraint_edge_vec_find): Ditto.
435 (erase_self_graph_edge): Ditto.
436 (add_graph_edge): Removed.
437 (get_graph_weights): Ditto.
438 (allocate_graph_weights): Ditto.
439 (valid_weighted_graph_edge): Ditto
440 (bitmap_other_than_zero_bit_set): Ditto.
441 (int_add_graph_edge): Renamed to add_graph_edge.
442 (clear_edges_for_node): Remove support for weighted edges.
443 (merge_graph_nodes): Ditto.
444 (valid_graph_edge): Ditto.
445 (build_constraint_graph): Ditto.
447 (collapse_nodes): Ditto.
448 (process_unification_queue): Ditto.
450 (do_ds_constraint): Ditto.
451 (perform_var_subsitution): Ditto.
452 (solve_graph): Ditto.
453 (init_alias_vars): Ditto.
454 (delete_points_to_sets): Ditto.
455 (do_complex_constraint): Support offsetted copies here.
457 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
459 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
461 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
463 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
466 2006-11-23 Ben Elliston <bje@au.ibm.com>
468 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
470 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
472 PR tree-optimization/29921
473 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
474 signed and unsigned zero equal.
476 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
478 * config/rs6000/rs6000.c (get_store_dest): New.
479 (adjacent_mem_locations): Use get_store_dest() to get
480 the rtl of the store destination.
482 2006-11-22 Joseph Myers <joseph@codesourcery.com>
484 * config/rs6000/spe.md (SPE64): New mode macro.
485 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
487 (mov_si<mode>_e500_subreg0_2): New.
488 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
490 (mov_si<mode>_e500_subreg4_2): New.
491 * config/rs6000/predicates.md (input_operand): Do not allow
492 invalid E500 subregs.
493 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
495 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
496 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
497 involving vector modes if TARGET_SPE.
499 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
502 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
503 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
505 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
507 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
508 mem_i_address_operand): New predicates.
509 * config/bfin/bfin.c (bfin_issue_rate): New function.
510 (TARGET_SCHED_ISSUE_RATE): New macro.
511 * config/bfin/bfin.md (addrtype): New attribute.
512 (slot0, slot1, slot2, store, pregs): New cpu_units.
513 (core): Now a define_reservation.
514 (alu): Remove some insn types from this reservation.
515 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
517 (dummy reservation): Don't trigger for mcld insns.
518 (absence_sets): Two new absence sets to enforce slot ordering.
519 (popsi_insn): Set addrtype.
521 2006-11-22 Ira Rosen <irar@il.ibm.com>
523 * doc/c-tree.texi: Document new tree codes.
524 * doc/md.texi: Document new optabs.
525 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
527 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
528 * optabs.h (optab_index): Add new.
529 (vec_extract_even_optab, vec_extract_odd_optab,
530 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
531 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
532 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
534 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
535 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
536 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
537 along with macros for their access.
538 * tree-data-ref.h (first_location_in_loop, data_reference): Update
540 * tree-vect-analyze.c (toplev.h): Include.
541 (vect_determine_vectorization_factor): Fix indentation.
542 (vect_insert_into_interleaving_chain,
543 vect_update_interleaving_chain, vect_equal_offsets): New functions.
544 (vect_analyze_data_ref_dependence): Add argument for interleaving
545 check. Check for interleaving if it's true.
546 (vect_check_dependences): New function.
547 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
548 every ddr. Call vect_analyze_data_ref_dependence with new argument.
549 (vect_update_misalignment_for_peel): Update for interleaving.
550 (vect_verify_datarefs_alignment): Check only first data-ref for
552 (vect_enhance_data_refs_alignment): Update for interleaving. Check
553 only first data-ref for interleaving.
554 (vect_analyze_data_ref_access): Check interleaving, update
556 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
557 with different parameters.
558 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
559 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
560 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
561 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
562 Update step in case of interleaving.
563 (vect_strided_store_supported, vect_permute_store_chain): New
565 (vectorizable_store): Handle strided stores.
566 (vect_strided_load_supported, vect_permute_load_chain,
567 vect_transform_strided_load): New functions.
568 (vectorizable_load): Handle strided loads.
569 (vect_transform_stmt): Add argument. Handle strided stores. Check
570 that vectorized stmt exists for patterns.
571 (vect_gen_niters_for_prolog_loop): Update calculation for
573 (vect_transform_loop): Remove stmt_vec_info for strided stores after
574 whole chain vectorization.
575 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
576 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
577 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
578 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
579 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
581 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
583 * cse.c (enum taken): Remove PATH_AROUND.
584 (addr_affects_sp_p, invalidate_skipped_set,
585 invalidate_skipped_block): Remove.
586 (cse_end_of_basic_block): Remove skip_blocks and related code.
587 (cse_main): Don't test for flag_cse_skip_blocks.
588 Update cse_end_of_basic_block call.
589 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
590 code to lengthen the path if a jump was simplified.
592 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
594 PR rtl-optimization/29924
595 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
596 (unroll_loop_runtime_iterations): Assert that the argument passed to
597 split_edge_and_insert is not NULL.
598 * loop-doloop.c (add_test): Ditto.
600 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
602 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
604 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
605 * cfgloopmanip.c (update_single_exits_after_duplication,
606 update_single_exit_for_duplicated_loop, loop_version): Ditto.
607 * tree-scalar-evolution.c (get_loop_exit_condition,
608 get_exit_conditions_rec, loop_closed_phi_def,
609 number_of_iterations_in_loop, scev_const_prop): Ditto.
610 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
611 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
613 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
615 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
616 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
617 slpeel_make_loop_iterate_ntimes,
618 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
619 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
621 * tree-if-conv.c (if_convertible_loop_p): Ditto.
622 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
623 vect_analyze_loop_form): Ditto.
624 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
625 can_convert_to_perfect_nest, perfect_nestify): Ditto.
626 * tree-vect-transform.c (vect_create_epilog_for_reduction,
627 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
628 vect_transform_loop): Ditto.
629 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
630 (single_exit, set_single_exit): New functions.
631 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
632 (single_exit, set_single_exit): Declare.
633 * doc/loop.texi: Undocument single_exit field. Document single_exit
636 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
638 PR tree-optimization/29902
639 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
640 any involved ssa name appears in abnormal phi node.
642 2006-11-21 Bob Wilson <bob.wilson@acm.org>
644 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
645 (xtensa_const_ok_for_letter_p): Delete.
646 (xtensa_extra_constraint): Delete.
647 (override_options): Delete xtensa_char_to_class initialization.
648 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
649 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
650 (EXTRA_CONSTRAINT): Delete.
651 * config/xtensa/xtensa.md: Include constraints.md.
652 (call_internal): Combine alternatives.
653 (call_value_internal): Likewise, and remove invalid constraints.
654 * config/xtensa/constraints.md: New file.
655 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
656 (xtensa_extra_constraint): Delete.
657 * doc/md.texi (Machine Constraints): Refer to constraints.md for
660 2006-11-21 Janis Johnson <janis187@us.ibm.com>
662 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
663 of conversion that doesn't fit.
665 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
666 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
667 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
669 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
671 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
673 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
675 2006-11-21 Richard Guenther <rguenther@suse.de>
677 * tree-vectorizer.h (NUM_PATTERNS): Increase.
678 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
679 vect_recog_pow_pattern.
680 (vect_recog_pow_pattern): New function.
682 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
684 * config/bfin/bfin.opt (mstack-check-l1): New.
685 * doc/invoke.texi (Blackfin Options): Document it.
686 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
687 stack bounds in L1 memory if the new option is enabled.
688 (override_options): Don't allow combinations of -fstack-limit and
690 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
693 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
695 (bfin_register_move_cost): Bump costs if trying to move plain
696 integer values through accumulators.
698 2006-11-21 Ben Elliston <bje@au.ibm.com>
700 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
702 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
703 Russell Olsen <Russell_Olsen@playstation.sony.com>
704 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
705 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
706 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
707 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
708 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
710 * config.gcc: Add target for SPU.
711 * config/spu/constraints.md: New file.
712 * config/spu/crt0.c: New file.
713 * config/spu/crtend.c: New file.
714 * config/spu/crti.asm: New file.
715 * config/spu/crtn.asm: New file.
716 * config/spu/float_unsdidf.c: New file.
717 * config/spu/float_unssidf.c: New file.
718 * config/spu/predicates.md: New file.
719 * config/spu/spu-builtins.def: New file.
720 * config/spu/spu-builtins.h: New file.
721 * config/spu/spu-builtins.md: New file.
722 * config/spu/spu-c.c: New file.
723 * config/spu/spu-elf.h: New file.
724 * config/spu/spu-modes.def: New file.
725 * config/spu/spu-protos.h: New file.
726 * config/spu/spu.c: New file.
727 * config/spu/spu.h: New file.
728 * config/spu/spu.md: New file.
729 * config/spu/spu.opt: New file.
730 * config/spu/spu_internals.h: New file.
731 * config/spu/spu_intrinsics.h: New file.
732 * config/spu/spu_mfcio.h: New file.
733 * config/spu/t-spu-elf: New file.
734 * config/spu/vec_types.h: New file.
735 * config/spu/vmx2spu.h: New file.
736 * doc/contrib.texi: Document SPU contributor.
737 * doc/extend.texi: Document SPU extensions.
738 * doc/invoke.texi: Document SPU options.
739 * doc/md.texi: Document SPU constraints.
741 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
743 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
745 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
747 (flow_loop_dump): Do not dump loop level.
748 (flow_loops_find): Do not call flow_loops_level_compute.
749 * cfgloop.h (struct loop): Remove level field.
751 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
753 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
754 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
755 Use vector of edges instead of array.
756 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
757 estimate_numbers_of_iterations_loop): Ditto.
758 * predict.c (predict_loops): Ditto.
759 * loop-unroll.c (analyze_insns_in_loop): Ditto.
760 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
762 * basic-block.h: Declare heap allocation for edge vectors.
763 * tree-outof-ssa.c: Ditto.
764 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
765 * cfgloop.h (get_loop_exit_edges): Declaration changed.
767 2006-11-20 Zack Weinberg <zackw@panix.com>
769 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
770 Add another out parameter, "skip".
771 (set_gc_used_type): Adjust calls to process_gc_options. If a field
772 is tagged "skip", do not mark its type used.
774 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
777 * tree-sra.c (single_scalar_field_in_record_p): New function.
778 (decide_block_copy): Use it.
780 2006-11-20 David Daney <ddaney@avtrex.com>
782 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
783 PC to point to following instruction.
785 2006-11-20 Anatoly Sokolov <aesok@post.ru>
789 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
791 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
793 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
795 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
796 Add sh/superh.h to tm_file.
798 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
799 Mark Mitchell <mark@codesourcery.com>
801 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
803 (cpp_relocated): New function.
804 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
806 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
807 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
808 replace configured prefix with gcc_exec_prefix.
810 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
812 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
813 bfin_legitimate_constant_p.
814 * config/bfin/bfin.md (movsi expander): Check return value of
816 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
817 (expand_move): Adjust prototype.
818 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
819 invalid constants specially.
820 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
822 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
824 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
825 sibcall_value_symbol): Allow these patterns if
826 TARGET_LEAF_ID_SHARED_LIBRARY.
827 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
828 (override_options): Turn on id shared library flags if -msep-data,
829 but disallow the combination of these options on the command line.
830 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
831 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
832 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
834 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
835 * doc/invoke.texi (Blackfin Options): Document new switches.
837 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
838 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
840 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
841 inflate costs for addresses with an out-of-bounds address.
843 2006-11-19 Andrew Pinski <pinskia@gmail.com>
846 * fwprop.c (loops): Remove.
847 (forward_propagate_into): Use current_loops instead of
849 (fwprop_init): Call loop_optimizer_init instead of
851 (fwprop_done): Call loop_optimizer_finalize instead of
853 (fwprop): Use current_loops instead of loops.
855 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
858 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
860 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
863 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
864 larger than BITS_PER_WORD.
866 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
870 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
871 to MAX_FIXED_MODE_SIZE.
873 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
875 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
876 (fold_builtin_fmin_fmax): New.
877 (fold_builtin_1): Use it.
879 * fold-const.c (fold_strip_sign_ops): Handle copysign.
881 2006-11-18 Richard Guenther <rguenther@suse.de>
883 * config/i386/i386.c (ix86_builtins): New array for ix86
884 builtin function decls.
885 (def_builtin): New function.
886 (def_builtin_const): Likewise.
887 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
889 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
891 * doc/invoke.texi (core2): Add item.
893 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
895 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
896 (TARGET_CPU_DEFAULT_generic): Change value.
897 (TARGET_CPU_DEFAULT_NAMES): Add core2.
898 (processor_type): Add new constant PROCESSOR_CORE2.
900 * config/i386/i386.md (cpu): Add core2.
902 * config/i386/i386.c (core2_cost): New initialized variable.
903 (m_CORE2): New macro.
904 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
905 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
906 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
907 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
908 x86_partial_reg_dependency, x86_memory_mismatch_stall,
909 x86_accumulate_outgoing_args, x86_prologue_using_move,
910 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
911 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
912 x86_use_incdec, x86_four_jump_limit, x86_schedule,
913 x86_pad_returns): Add m_CORE2.
914 (override_options): Add entries for Core2.
915 (ix86_issue_rate): Add case for Core2.
917 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
919 * doc/invoke.texi: Fix mno-isel typo.
921 2006-11-18 Joseph Myers <joseph@codesourcery.com>
923 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
924 easy vector constant loads.
926 2006-11-18 Joseph Myers <joseph@codesourcery.com>
928 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
929 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
930 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
931 * config/rs6000/sync.md (lwsync): Emit plain sync if
934 2006-11-17 DJ Delorie <dj@redhat.com>
936 * reload1.c (reloads_unique_chain): New.
937 (reloads_conflict): Call it.
939 2006-11-17 Bob Wilson <bob.wilson@acm.org>
941 * config/xtensa/predicates.md (addsubx_operand): New.
942 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
943 (xtensa_emit_bit_branch): New.
944 (xtensa_emit_movcc): New.
945 * config/xtensa/xtensa.md (any_minmax): New code macro.
946 (minmax): New code attribute.
947 (any_cond, any_scc, any_scc_sf): New code macros.
948 (*addx2, *addx4, *addx8): Delete.
950 (*subx2, *subx4, *subx8): Delete.
952 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
953 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
954 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
955 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
956 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
957 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
958 (movsfcc_internal0, movsfcc_internal1): Likewise.
959 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
960 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
961 (xtensa_emit_bit_branch): New.
962 (xtensa_emit_movcc): New.
963 (function_arg_boundary): Add missing prototype.
965 2006-11-17 Bob Wilson <bob.wilson@acm.org>
967 * config/xtensa/xtensa.md (tstsi): Delete
969 2006-11-17 Bob Wilson <bob.wilson@acm.org>
971 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
973 2006-11-17 Bob Wilson <bob.wilson@acm.org>
975 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
977 2006-11-17 Bob Wilson <bob.wilson@acm.org>
979 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
981 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
983 * tree-vrp.c (execute_vrp): Do not update current_loops.
984 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
985 * doc/loop.texi: Remove documentation for cancelled functions.
986 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
987 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
989 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
990 (remove_path): Ensure that in delete_basic_blocks, the loops
992 (add_loop): Work on valid loop structures.
993 (loopify): Modify call of add_loop.
994 (mfb_update_loops): Removed.
995 (create_preheader): Do not update loops explicitly.
996 (force_single_succ_latches, loop_version): Do not use
997 loop_split_edge_with.
998 (loop_split_edge_with): Removed.
999 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1000 Do not use bsi_insert_on_edge_immediate_loop.
1001 (split_loop_exit_edge, tree_unroll_loop): Do not use
1002 loop_split_edge_with.
1003 (bsi_insert_on_edge_immediate_loop): Removed.
1004 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1005 use loop_split_edge_with.
1006 * cfghooks.c: Include cfgloop.h.
1007 (verify_flow_info): Verify that loop_father is filled iff current_loops
1009 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1010 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1012 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1014 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1015 loop_split_edge_with.
1016 (sms_schedule): Use current_loops.
1017 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1018 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1020 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1021 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1022 * ifcvt.c (if_convert): Ditto.
1023 * predict.c (predict_loops): Do not clear current_loops.
1024 (tree_estimate_probability): Use current_loops.
1025 (propagate_freq): Receive head of the region to propagate instead of
1027 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1028 (estimate_loops): New function. Handle case current_loops == NULL.
1029 (estimate_bb_frequencies): Do not allocate tovisit. Use
1031 * tree-ssa-loop.c (current_loops): Removed.
1032 (tree_loop_optimizer_init): Do not return loops.
1033 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1034 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1035 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1036 Do not update loops explicitly.
1037 * function.h (struct function): Add x_current_loops field.
1038 (current_loops): New macro.
1039 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1040 * loop-unroll.c (split_edge_and_insert): New function.
1041 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1042 use loop_split_edge_with.
1043 * loop-doloop.c (add_test, doloop_modify): Ditto.
1044 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1045 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1046 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1047 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1049 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1050 (flow_loops_free): Do not free dfs_order and rc_order.
1051 (flow_loops_find): Do not set dfs_order and rc_order in loops
1052 structure. Do not call loops and flow info verification.
1053 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1054 already belongs to some loop.
1055 * cfgloop.h (struct loops): Remove struct cfg.
1056 (current_loops, loop_split_edge_with): Declaration removed.
1057 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1058 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1059 Declaration removed.
1060 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1061 * basic-block.h (split_edge_and_insert): Declare.
1062 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1064 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1066 PR tree-optimization/29801
1067 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1068 (get_default_value): Use get_symbol_constant_value.
1069 (set_lattice_value): ICE when the value of the constant is
1071 (visit_assignment): Ignore VDEFs of read-only variables.
1073 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1075 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1077 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1078 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1080 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1082 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1083 select subvars of var.
1085 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1088 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1089 optimize if DEF doesn't have integral type.
1091 2006-11-16 Mike Stump <mrs@apple.com>
1093 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1094 pre-darwin9 system, unless the user asks for it directly.
1095 (PREFERRED_DEBUGGING_TYPE): Likewise.
1096 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1097 * config.gcc: Add suppport for darwin9.h.
1098 * config/darwin9.h: Add.
1099 * doc/install.texi (Specific): Clarify darwin documentation.
1101 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1103 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1104 optimizing for size.
1106 2006-11-16 Mike Stump <mrs@apple.com>
1108 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1110 2006-11-16 Dirk Mueller <dmueller@suse.de>
1112 * tree-vrp.c (get_value_range): Use XCNEW instead
1114 (insert_range_assertions): Use XCNEWVEC instead
1115 of XNEWVEC and memset.
1116 (vrp_initialize): Same.
1117 (vrp_finalize): Same.
1118 * tree-ssa-ccp.c (ccp_initialize): Same.
1119 * predict.c (tree_bb_level_predictions): Same.
1120 * calls.c (expand_call): Same.
1121 * tree-ssa-copy.c (init_copy_prop): Same.
1122 (fini_copy_prop): Same.
1123 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1124 of GGC_NEW and memset.
1126 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1129 * gimplify.c (gimplify_expr): Only force a load for references to
1130 non-BLKmode volatile values.
1131 * doc/implement-c.texi (Qualifiers implementation): Document the
1132 interpretation of what a volatile access is.
1133 * doc/extend.texi (C++ Extensions): Rework same documentation.
1135 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1137 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1140 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1142 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1144 (arm_neg_abssi2): Renamed from neg_abssi2.
1145 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1147 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1149 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1150 number of arguments passed to local functions in SSE registers is 3.
1152 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1153 number of arguments passed in SSE registers to 3.
1155 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1158 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1160 (get_last_bb_insn): ... new global function.
1161 (basic_block.h): Declare it.
1162 * haifa-sched.c (create_recovery_block): Use it.
1164 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1167 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1169 2006-11-15 Paul Brook <paul@codesourcery.com>
1171 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1172 _Unwind_GetTextRelBase): Move from here ...
1173 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1174 _Unwind_GetTextRelBase): ... To here.
1176 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1178 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1179 addresses we generate for testing are aligned.
1181 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1184 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1185 to what is the const decl is a place holder for.
1187 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1189 * config/i386/i386.opt: New target option -mx87regparm.
1191 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1192 and float_in_x87 variables. mmx_words, sse_words: Remove.
1193 (X87_REGPARM_MAX): Define.
1195 * config/i386/i386.c (override_options): Error out for
1196 -mx87regparm but no 80387 support.
1197 (ix86_attribute_table): Add x87regparm.
1198 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1199 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1200 (ix86_function_x87regparm): New function.
1201 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1203 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1205 (function_arg_advance): Process x87_nregs and x87_regno when
1206 floating point argument is to be passed in 80387 register.
1207 (function_arg): Pass XFmode arguments in 80387 registers for local
1208 functions. Pass SFmode and DFmode arguments to local functions
1209 in 80387 registers when flag_unsafe_math_optimizations is set.
1211 * reg-stack.c (convert_regs_entry): Disable NaN load for
1212 stack registers that are used for argument passing.
1214 * doc/extend.texi: Document x87regparm function attribute.
1215 * doc/invoke.texi: Document -mx87regparm.
1217 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1219 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1220 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1221 arg MODE; all callers changed. Use it to determine validity per
1222 machine mode instead of using Pmode for all memory references.
1223 (get_address_cost): Likewise add and use new arg MEM_MODE.
1225 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1226 J"orn Rennecke <joern.rennecke@st.com>
1228 * combine.c (likely_spilled_retval_1): Fix masking operation.
1229 (likely_spilled_retval_p): Use proper pattern for call to
1230 likely_spilled_retval_1.
1232 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1234 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1236 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1237 that tests for CONSTANT_POOL_ADDRESS_P.
1239 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1241 PR tree-optimization/29581
1242 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1243 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1244 type is different between Y and USE, create a temporary
1245 variable, initialize it at the beginning of the body bb
1246 and use it as replacement instead of Y.
1248 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1251 * gimplify.c (fold_indirect_ref_rhs): Use
1252 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1254 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1256 * expmed.c (emit_store_flag_1): New function.
1257 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1259 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1260 Use do_compare_rtx_and_jump.
1261 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1262 * arm.md (cstoresi4): New define_expand.
1263 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1264 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1265 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1267 2006-11-14 Caroline Tice <ctice@apple.com>
1269 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1270 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1272 (pubname_table): Redefine as a vector.
1273 (pubtype_table): New static global variable, defined as a vector.
1274 (pubname_table_allocated): Remove static global variable.
1275 (pubname_table_in_use): Remove static global variable.
1276 (PUBNAME_TABLE_INCREMENT): Remove constant.
1277 (size_of_pubnames): Add parameter to deal with either pubnames or
1278 pubtypes, and change code to deal with table being a vector.
1279 (add_pubname): Change to deal with table being a vector.
1280 (add_pubtype): New function.
1281 (output_pubnames): Add parameter to deal with either pubnames or
1282 pubtypes, and change code to deal with table being a vector.
1283 (gen_array_type_die): Add call to add_pubtype.
1284 (gen_enumeration_type_die): Add call to add_pubtype.
1285 (gen_struct_or_union_type_die): Add call to add_pubtype.
1286 (gen_subroutine_type_die): Add call to add_pubtype.
1287 (gen_typedef_die): Add call to add_pubtype.
1288 (dwarf2out_init): Add code to initialize pubname_table and
1289 pubtype_table vectors; also initialize debug_pubtypes_section.
1290 (prune_unused_types): Change to deal with pubnames being a vector.
1291 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1292 pubnames table to call to output_pubnames; Add code to output pubtypes
1293 table if DEBUG_PUBTYPES_SECTION is defined.
1294 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1296 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1298 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1300 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1301 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1302 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1303 movv2si_internal): Support moves between core registers.
1305 2006-11-14 Eric Christopher <echristo@apple.com>
1307 * configure: Regenerate with autoconf 2.59.
1309 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1311 Fix PR tree-optimization/27755
1313 * tree-ssa-pre.c: Update comments.
1314 (bb_bitmap_sets): Add pa_in and deferred member.
1315 (BB_DEFERRED): New macro.
1316 (maximal_set): New variable.
1317 (pre_stats): Add pa_insert member.
1318 (bitmap_set_and): Short circuit orig == dest.
1319 (bitmap_set_subtract_values): New function.
1320 (bitmap_set_contains_expr): Ditto.
1321 (translate_vuses_through_block): Add phiblock argument.
1322 (dependent_clean): New function.
1323 (compute_antic_aux): Update for maximal_set changes.
1324 (compute_partial_antic_aux): New function.
1325 (compute_antic): Handle partial anticipation.
1326 (do_partial_partial_insertion): New function.
1327 (insert_aux): Handle partial anticipation.
1328 (add_to_sets): Add to maximal set.
1329 (compute_avail): Ditto.
1330 (init_pre): Initialize maximal_set.
1331 (execute_pre): Do partial anticipation if -O3+.
1333 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1335 PR rtl-optimization/29798
1337 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1338 TARGET_INSN before any other check.
1339 (fwprop_init): Always calculate dominators.
1340 (fwprop_done): Always free them.
1342 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1344 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1347 2006-11-13 DJ Delorie <dj@redhat.com>
1349 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1350 temporary for intermediates.
1352 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1354 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1355 (sh_optimize_target_register_callee_saved): #if 0 the code
1356 using NOTE_INSN_LOOP_{BEG,END}.
1358 2006-11-13 Roger Sayle <roger@eyesopen.com>
1360 * fold-const.c (optimize_bit_field_compare): Recursively call
1361 fold when simplifying non-constant comparisons between bit-fields.
1363 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1365 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1367 * configure: Rebuilt.
1369 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1371 * config/rs6000/cell.md: New file.
1372 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1374 (ppccell_cost): New cost matrix.
1375 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1376 (rs6000_override_options): Set rs6000_always_hint to false
1377 for cell. Also align functions/lables/loops to 8byte
1378 for the Cell. Use PROCESSOR_CELL.
1379 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1380 using_mtcr_multiple.
1381 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1382 on the Cell, return 0.
1383 (rs6000_adjust_cost): Add Cell cost adjustments.
1384 (is_microcoded_insn): Return true for Cell microcoded
1386 (is_nonpipeline_insn): New function.
1387 (rs6000_issue_rate): Add PROCESSOR_CELL.
1388 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1390 (rs6000_use_sched_lookahead_guard): New function.
1391 (rs6000_sched_reorder): Reorder the ready list, if the second
1392 to last ready insn is a nonepipeline insn on the Cell.
1393 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1394 (ASM_CPU_SPEC): Add Cell.
1395 * config/rs6000/rs6000.md (cpu): Add Cell.
1396 (cell_micro): New Attr.
1399 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1401 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1403 * configure: Rebuilt.
1405 2006-11-13 Richard Guenther <rguenther@suse.de>
1407 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1409 (ix86_expand_lfloorceil): Likewise.
1410 (ix86_expand_rint): Likewise.
1411 (ix86_expand_floorceildf_32): Likewise.
1412 (ix86_expand_floorceil): Likewise.
1413 (ix86_expand_rounddf_32): Likewise.
1414 (ix86_expand_truncdf_32): Likewise.
1415 (ix86_expand_round): Likewise.
1417 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1418 Mark Mitchell <mark@codesourcery.com>
1420 * gcc.c: Organize search path variables into $prefix relative,
1421 and well-known native. Add comments.
1422 (add_sysrooted_prefix): Add comment.
1423 (process_command): If !gcc_exec_prefix add $prefix based paths.
1424 If *cross_compile == '0', add native well-known paths.
1425 Assert tooldir_base_prefix is always relative.
1426 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1427 use this value for 'install:' path.
1428 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1430 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1432 * config/i386/i386.c: Fix a typo in comment.
1434 2006-11-13 Michael Matz <matz@suse.de>
1436 * genemit.c (gen_expand): Allocate enough memory.
1438 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1440 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1441 __GXX_TYPEINFO_EQUALITY_INLINE but not
1442 __GXX_MERGED_TYPEINFO_NAMES.
1443 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1444 __GXX_MERGED_TYPEINFO_NAMES.
1445 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1446 __GXX_TYPEINFO_EQUALITY_INLINE.
1448 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1449 Zdenek Dvorak <dvorakz@suse.cz>
1451 PR tree-optimization/29680
1452 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1455 2006-11-12 Jason Merrill <jason@redhat.com>
1456 Andrew Pinski <pinskia@physics.uc.edu>
1459 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1461 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1463 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1464 * tree.c (build_vector): Handle non-_CST elements.
1466 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1468 * genemit.c (gen_insn): Call gen_exp with a non-null used
1469 when handling multiple insns.
1470 (gen_expand): Likewise.
1471 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1472 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1473 (movsi_const_16bit+1): Copy operands[1].
1474 (call_pcrel): Copy the call_site pattern.
1475 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1477 2006-11-12 Roger Sayle <roger@eyesopen.com>
1479 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1480 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1481 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1482 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1484 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1486 Fix PR tree-optimization/29587
1487 * tree-ssa-structalias.c (process_constraint): Don't
1488 mark address taken due only to escaped vars constraint.
1490 2006-11-12 Michael Matz <matz@suse.de>
1491 Roger Sayle <roger@eyesopen.com>
1493 PR rtl-optimization/29797
1494 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1495 BITS_BIG_ENDIAN targets.
1497 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1499 * builtins.c (fold_builtin_cosh): New.
1500 (fold_builtin_1): Use it.
1501 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1502 trunc to the list of "odd" functions. Also add llrint, lrint,
1503 rint and nearbyint when flag_rounding_math is false.
1505 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1507 * tree-flow.h (name_mappings_registered_p): Declare.
1508 * tree-into-ssa.c (name_mappings_registered_p): New function.
1509 * tree-cfg.c (tree_can_merge_blocks_p): Check
1510 name_mappings_registered_p instead of need_ssa_update_p.
1512 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1514 * tree-ssa-loop.c (tree_vectorize): Return the result of
1516 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1517 if anything changed.
1518 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1519 * tree-flow.h (vectorize_loops): Declaration changed.
1521 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1523 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1525 (issue_prefetch_ref): Move assignment to write_p out of loop.
1526 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1527 SIMULTANEOUS_PREFETCHES into account.
1528 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1529 * lambda-code.c (lcm): Renamed to ...
1530 (least_common_multiple): ... and exported.
1531 * tree-flow.h (least_common_multiple): Declare.
1533 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1535 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1536 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1537 ud-chains. Handle AND_EXPR.
1538 (record_estimate): Record whether the estimate is realistic
1539 and whether it is derived from a loop exit.
1540 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1541 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1543 (compute_estimated_nb_iterations): Take only realistic bounds into
1544 account. Set estimate_state. Use double_ints.
1545 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1546 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1547 that do not have to be always executed.
1548 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1549 to determine whether to call infer_loop_bounds_from_undefined
1550 and compute_estimated_nb_iterations.
1551 (n_of_executions_at_most): Use double_ints.
1552 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1553 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1554 * double-int.c (double_int_to_tree): Improve comment.
1555 (double_int_fits_to_tree_p): New function.
1556 * double-int.h (double_int_fits_to_tree_p): Declare.
1557 * tree-data-ref.c: Include langhooks.h.
1558 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1559 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1560 (analyze_array): Do not pass estimate_only argument to
1561 analyze_array_indexes.
1562 (get_number_of_iters_for_loop): Build tree from the stored double_int
1564 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1565 (find_data_references_in_loop): Use find_data_references_in_stmt.
1566 * tree-data-ref.h (struct data_ref_loc_d): New.
1567 (get_references_in_stmt): Declare.
1568 (estimate_iters_using_array): Declaration removed.
1569 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1570 double_int. Improve comments. Add is_exit and realistic
1572 (struct loop): Changed type of estimated_nb_iterations to double_int.
1573 Added estimate_state field.
1574 (record_estimate): Declaration removed.
1576 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1578 * params.c (set_param_value): Initialize the "set" field.
1579 * params.h (struct param_info): Add "set" field.
1580 (PARAM_SET_P): New macro.
1581 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1582 L1_CACHE_LINE_SIZE): New macros.
1583 * toplev.c (DEFPARAM): Initialize the "set" field.
1584 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1585 SIMULTANEOUS_PREFETCHES): Removed.
1586 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1587 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1588 * config/sparc/sparc.c: Include params.h.
1589 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1590 L1_CACHE_LINE_SIZE parameters.
1591 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1593 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1595 * config/i386/i386.c: Include params.h.
1596 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1597 (override_options): Set SIMULTANEOUS_PREFETCHES and
1598 L1_CACHE_LINE_SIZE parameters.
1599 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1600 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1601 L1_CACHE_LINE_SIZE parameters.
1602 * config/ia64/ia64.c (ia64_optimization_options): Set
1603 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1604 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1606 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1607 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1608 * doc/invoke.texi: Document new params.
1610 2006-11-12 Roger Sayle <roger@eyesopen.com>
1612 PR tree-optimization/13827
1613 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1616 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1618 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1619 update_single_exit_for_duplicated_loops): New functions.
1620 (duplicate_loop_to_header_edge): Use
1621 update_single_exit_for_duplicated_loops.
1622 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1623 functions only with ENABLE_CHECKING.
1625 2006-11-12 Andreas Schwab <schwab@suse.de>
1627 * except.c (sjlj_emit_function_enter): Remove unused variable.
1629 2006-11-11 Roger Sayle <roger@eyesopen.com>
1631 * fold-const.c (int_binop_types_match_p): New function.
1632 (size_binop): Relax constraint that both arguments must both have
1633 exactly the same sizetype type. Instead use int_binop_types_match_p.
1634 (size_diffop): Likewise.
1636 (make_range): Use build_int_cst instead of fold_convert.
1637 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1638 integer constants of the correct type.
1639 (fold_div_compare): Likewise.
1640 (fold_single_bit_test): Likewise.
1641 (fold_binary): Likewise.
1642 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1643 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1645 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1648 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1649 non null value if the struct memory access is in the 0th
1652 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1655 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1659 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1660 instead of builtin_define for bfin and BFIN.
1662 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1664 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1667 2006-11-11 Jan Hubicka <jh@suse.cz>
1669 * extend.texi (__builtin_expect): We no longer require second argument
1671 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1672 * builtins.c (expand_builtin_expect): Simplify.
1673 (expand_builtin_expect_jump): Kill.
1674 * final.c (final_scan_insn): Do not skip the removed notes.
1675 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1676 EXPECTED_VALUE): Remove.
1677 * dojump.c (do_jump): Do not care about __builtin_expect.
1678 * predict.c (expected_value_to_br_prob): Kill.
1679 * function.c (expand_function_end): Do not expand
1680 NOTE_INSN_REPEATED_LINE_NUMBER.
1681 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1682 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1683 * cfgexpand.c (add_reg_br_prob_note): Export.
1684 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1685 expected_value_to_br_prob.
1686 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1687 * rtl.h (add_reg_br_prob_note): Declare.
1689 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1691 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1693 2006-11-11 Jan Hubicka <jh@suse.cz>
1695 * predict.c (predict_loops): Kill RTL variant.
1697 2006-11-11 Jan Hubicka <jh@suse.cz>
1699 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1700 * modulo-sched.c (find_line_note): Remove.
1701 (loop_canon_p): Do not worry about line number notes.
1702 (sms_schedule): Likewise.
1703 * cse.c (cse_main): Likewise.
1704 * regmove.c (fixup_match_1): Likewise
1705 * function.c (emit_return_info_block): Likewise.
1706 (expand_function_end): Likewise.
1707 (thread_prologue_an_epilogue_insns): Likewise.
1708 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1710 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1711 emit_note_copy_after): Kill.
1712 (emit_note_copy): Do not worry about line numbers.
1713 * jump.c (purge_line_number_notes): Kill.
1714 (pass_purge_lineno_notes): Kill.
1715 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1717 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1718 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1719 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1720 * tree-pass.h (pass_purge_lineno_notes): Kill.
1721 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1722 rm_redundant_line_notes.
1723 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1724 rm_redundant_line_notes.
1725 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1726 * haifa-sched.c: Update comment about handling notes.
1727 (unlink_line_notes): Kill.
1728 (rm_line_notes): Kill.
1729 (save_line_notes): Simplify.
1730 (rm_redundant_line_notes): Kill.
1732 2006-11-11 Richard Guenther <rguenther@suse.de>
1734 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1735 Remove unused tree codes.
1736 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1737 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1738 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1739 * tree.c (stabilize_reference): Likewise.
1740 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1741 fold_unary): Likewise.
1742 * tree-gimple.c (is_gimple_cast): Likewise.
1743 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1744 * expr.c (expand_expr_real_1): Likewise.
1745 * tree-eh.c (tree_could_trap_p): Likewise.
1746 * gimplify.c (gimplify_expr): Likewise.
1747 * tree-inline.c (estimate_num_insns_1): Likewise.
1748 * tree-cfg.c (verify_expr): Likewise.
1750 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1752 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1753 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1754 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1756 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1759 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1760 constraints accept neither registers or memories.
1762 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1764 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1765 (NO_PROFILE_COUNTERS): Define as 1.
1767 2006-11-10 Roger Sayle <roger@eyesopen.com>
1769 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1770 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1772 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1774 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1776 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1778 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1779 (fold_builtin_hypot): Likewise.
1780 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1782 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1784 2006-11-10 Roger Sayle <roger@eyesopen.com>
1786 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1787 when attempting to build INTEGER_CSTs of non-integral types.
1788 * expmed.c (make_tree): Use the correct type, i.e. the inner
1789 type, when constructing the individual elements of a CONST_VECTOR.
1791 2006-11-10 Jan Hubicka <jh@suse.cz>
1793 * cse.c (cse_process_notes): Copy the propagated value.
1794 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1796 * gcse.c (try_replace_reg): Copy the replacement.
1797 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1798 (assign_386_stack_local): Always return copied memory expression
1799 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1802 2006-11-10 Jan Hubicka <jh@suse.cz>
1804 * final.c (final): Walk from first instruction.
1805 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1807 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1810 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1812 (umulv8hi3_highpart): Ditto.
1813 (vec_widen_smult_hi_v8hi): New expander.
1814 (vec_widen_smult_lo_v8hi): Ditto.
1816 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1819 * builtins.c (do_mpfr_arg3): New.
1820 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1822 2006-11-09 Eric Christopher <echristo@apple.com>
1827 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1828 * config.gcc (powerpc64-*-darwin*): New target.
1829 * config.host: Ditto.
1830 * config/rs6000/darwin64.h: New file.
1831 * config/rs6000/x-darwin64: Ditto.
1832 * config/rs6000/host-ppc64-darwin.c: Ditto.
1834 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1836 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1837 routines for integer division.
1839 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1841 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1843 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1846 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1848 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1850 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1851 simplify_subreg with BLKmode outer mode.
1853 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1855 * doc/invoke.texi: Minor formatting fixes in option lists.
1857 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1859 PR tree-optimization/29738
1860 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1861 (ccp_lattice_t): Remove UNKNOWN_VAL.
1862 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1863 Do not handle UNKNOWN_VAL.
1864 (get_default_value): Set initial value of virtual operands to
1866 (get_value): Always use get_default_value on uninitialized
1868 (set_value_varying, surely_varying_stmt_p): New functions.
1869 (set_lattice_value): Do not pass argument to get_value.
1870 Do not handle UNKNOWN_VAL.
1871 (likely_value): Follow the semantics described in the comment.
1872 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1873 phi nodes DONT_SIMULATE_AGAIN.
1874 (ccp_fold): Do not pass argument to get_value.
1875 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1878 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1880 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1881 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1883 2006-11-08 Roger Sayle <roger@eyesopen.com>
1885 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1886 test for inclusion rather than as a test for exclusion.
1887 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1888 the condition after calling fold_binary.
1889 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1890 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1891 * builtins.c (fold_builtin_isascii): Likewise.
1892 (fold_builtin_isdigit): Likewise.
1894 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1896 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1897 * configure: Regenerate.
1899 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1901 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1902 enum argument instead of bool.
1903 (vect_analyze_operations): Call vectorizable_type_promotion.
1904 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1905 stmt_vec_info_type value.
1906 (supportable_widening_operation, vectorizable_type_promotion): New
1907 function declarations.
1908 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1909 (vectorizable_type_promotion): New function.
1910 (vect_transform_stmt): Call vectorizable_type_promotion.
1911 * tree-vect-analyze.c (supportable_widening_operation): New function.
1912 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1914 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1917 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1918 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1919 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1921 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1922 * expr.c (expand_expr_real_1): Likewise.
1923 * optabs.c (optab_for_tree_code): Likewise.
1924 (init_optabs): Initialize new optabs.
1925 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1926 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1927 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1928 vec_unpacku_lo_optab): Initialize new optabs.
1929 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1930 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1931 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1933 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1934 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1935 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1936 (vec_unpacku_lo_optab): New optabs.
1937 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1938 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1939 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1940 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1941 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1942 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1944 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1945 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1946 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1947 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1948 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1949 implement the unsigned unpacking patterns.
1950 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1951 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1952 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1953 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1954 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1955 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1956 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1957 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1958 multiplication patterns.
1960 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1961 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1962 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1963 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1964 (rs6000_builtin_mul_widen_odd): New.
1965 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1966 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1967 * tree-vectorizer.h (enum vect_relevant): New enum type.
1968 (_stmt_vec_info): Field relevant chaned from bool to enum
1970 (STMT_VINFO_RELEVANT_P): Updated.
1971 (STMT_VINFO_RELEVANT): New.
1972 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1973 instead of STMT_VINFO_RELEVANT_P.
1974 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1975 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1976 and boolean variable with enum vect_relevant.
1977 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1978 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1979 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1981 2006-11-08 Richard Henderson <rth@redhat.com>
1983 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1984 vec_widen_umult_lo_v8hi): New.
1985 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1986 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1988 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1989 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1990 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1991 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1992 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1993 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1994 vec_unpacks_lo_v4si): New.
1996 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1998 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1999 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2000 (vect_analyze_operations): Call vectorizable_type_demotion.
2001 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2002 stmt_vec_info_type value.
2003 (vectorizable_type_demotion): New function declaration.
2004 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2007 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2008 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2010 * tree-iniline.c (estimate_num_insns_1): Likewise.
2011 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2012 * optabs.c (optab_for_tree_code): Likewise.
2014 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2015 compared against the predicate of the result is not 'mode' (the input
2016 to the function) but a mode with half the size of 'mode'.
2017 (init_optab): Initialize new optabs.
2018 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2020 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2022 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2023 (vec_pack_usat_optab): Initialize new optabs.
2024 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2025 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2027 2006-11-08 Richard Henderson <rth@redehat.com>
2029 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2030 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2031 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2032 (vec_interleave_highv4si, vec_interleave_lowv4si):
2033 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2035 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2037 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2039 (vect_transform_stmt): Removed redundant code.
2041 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2043 * tree-vect-transform.c (vectorizable_operation): Support multiple
2046 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2048 * tree-vect-transform.c (vect_align_data_ref): Removed.
2049 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2050 Updated function documentation. Return the increment stmt in ptr_incr.
2051 (bump_vector_ptr): New function.
2052 (vect_get_vec_def_for_stmt_copy): New function.
2053 (vect_finish_stmt_generation): Create a stmt_info to newly created
2055 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2057 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2058 VF is greater than the number of elements that can fit in one vector
2060 (vectorizable_operation, vectorizable_condition): Likewise.
2061 (vectorizable_store, vectorizable_load): Support the case that the VF
2062 is greater than the number of elements that can fit in one vector word.
2063 (vect_transform_loop): Don't fail in case of multiple data-types.
2064 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2065 in case of multiple data-types; the smallest type determines the VF.
2066 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2067 if they are of different sizes.
2068 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2069 number of elements rather than number of bytes.
2070 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2071 (vect_can_advance_ivs_p): Fix a dump printout
2073 2006-11-07 Eric Christopher <echristo@apple.com>
2075 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2076 (__bswapsi2): Ditto.
2077 * libgcc2.h: Remove transformation of bswap routines.
2078 * config/i386/i386.md (bswapsi2): New.
2081 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2083 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2084 (handle_gnu_inline_attribute): New function.
2085 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2086 (merge_decls, start_decl, start_function): Likewise.
2087 * doc/extend.texi: Document gnu_inline attribute.
2089 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2092 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2093 _fixunstfdi, and _floatditf
2095 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2097 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2099 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2100 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2101 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2102 which start in an odd register.
2104 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2106 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2108 2006-11-07 Josh Conner <jconner@apple.com>
2110 * doc/invoke.texi (fstrict-aliasing): Move implementation
2112 * doc/tree-ssa.texi (Alias analysis): ...here.
2114 2006-11-07 Richard Guenther <rguenther@suse.de>
2116 PR tree-optimization/29610
2117 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2118 of tree_purge_dead_eh_edges as it may free dominators.
2120 * g++.dg/other/pr29610.C: New testcase.
2122 2006-11-07 David Ung <davidu@mips.com>
2124 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2125 costs when optimizing for size.
2126 (override_options): Use mips_rtx_cost_optimize_size table for cost
2129 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2131 * gcc.c (process_command): Treat -b as normal switch if its argument
2134 2006-11-07 David Ung <davidu@mips.com>
2136 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2139 2006-11-06 Eric Christopher <echristo@apple.com>
2141 * config.gcc: Add x86_64-darwin host support.
2142 * config.host: Ditto.
2143 * config/i386/darwin64.h: New file.
2144 * config/i386/t-darwin64: Ditto.
2146 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2148 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2149 and output-exists-not.
2151 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2154 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2155 checking for overflow.
2157 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2159 * configure.ac: Fixed typo in case statement: :: changed to ;;
2161 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2163 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2164 count_leading_zeros, and count_trailing_zeros.
2165 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2166 (TARGET_FOLD_BUILTIN): Define.
2167 (TARGET_EXPAND_BUILTIN): Define.
2168 (xtensa_init_builtins): New.
2169 (xtensa_fold_builtin): New.
2170 (xtensa_expand_builtin): New.
2171 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2172 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2173 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2174 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2175 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2176 (any_extend): New code macro.
2177 (u, su): New code attributes.
2178 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2179 (nsau): Remove; replaced by clzsi2.
2180 (ffssi2): Use clzsi2.
2181 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2182 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2183 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2184 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2185 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2187 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2189 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2191 * config/arm/t-strongarm-elf: Likewise.
2192 * config/arm/t-pe: Likewise.
2193 * config/arm/t-arm-elf: Likewise.
2194 * config/arm/t-xscale-elf: Likewise.
2195 * config/arm/t-arm-coff: Likewise.
2196 * config/arm/t-xscale-coff: Likewise.
2197 * config/arm/t-wince-pe: Likewise.
2199 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2201 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2204 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2207 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2210 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2213 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2214 as a valid 80387 constant.
2215 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2216 * config/i386/i386.md (unnamed splitter): Split the load of
2217 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2220 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2222 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2223 from the soft-frame, argument and virtual registers.
2225 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2227 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2228 patterns for standard 80387 constants.
2230 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2231 Steven Bosscher <steven@gcc.gnu.org>
2233 * fwprop.c: New file.
2234 * Makefile.in: Add fwprop.o.
2235 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2236 * passes.c (init_optimization_passes): Schedule forward propagation.
2237 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2239 * timevar.def (TV_FWPROP): New.
2240 * common.opt (-fforward-propagate): New.
2241 * opts.c (decode_options): Enable forward propagation at -O2.
2242 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2243 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2244 canon_for_address, table_size): Remove.
2245 (new_basic_block, insert, remove_from_table): Remove references to
2247 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2248 simplification loop more straightforward by not calling fold_rtx
2250 (equiv_constant): Move here a small part of fold_rtx_subreg,
2251 do not call fold_rtx. Call avoid_constant_pool_reference
2253 * recog.h (canonicalize_change_group): New.
2255 * doc/invoke.texi (Optimization Options): Document fwprop.
2256 * doc/passes.texi (RTL passes): Document fwprop.
2258 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2260 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2261 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2262 (grokdeclarator): Likewise.
2264 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2266 * tree-dump.c (dump_enable_all): Rename local variable
2267 ir_type to avoid name conflicts.
2268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2269 instead of using ir_type().
2270 * profile.c (tree_register_profile_hooks): Likewise.
2271 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2272 * basic-block.h (struct edge_def): Likewise.
2273 * config/arm/arm.c (legitimize_pic_address): Likewise.
2274 * coretypes.h (ir_type): New enum of all intermediate languages
2276 * cfghooks.c (ir_type): Rename to...
2277 (current_ir_type): ...this. Distinguish between cfgrtl and
2278 cfglayout mode when the current IR is RTL. Return enum ir_type.
2279 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2281 2006-11-03 Paul Brook <paul@codesourcery.com>
2283 * config/arm/arm.c (arm_file_start): New function.
2284 (TARGET_ASM_FILE_START): Define.
2285 (arm_default_cpu): New variable.
2286 (arm_override_options): Set arm_default_cpu.
2288 2006-11-03 David Ung <davidu@mips.com>
2290 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2291 PROCESSOR_24KC and PROCESSOR_24KF.
2292 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2293 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2294 (mips_rtx_cost_data): Add costs for the 24kc.
2295 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2296 * config/mips/24k.md: Remove references to 24k and replace with
2297 uses of 24kc/24kf in the appropriate reservations.
2298 * doc/invoke.texi (MIPS Options): Updated.
2300 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2302 * config/sh/crt1.asm: Fix #ifdef indent.
2304 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2305 Merged from STMicroelectronics sources:
2306 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2307 * config/sh/crt1.asm (vbr_600): Add missing #if.
2308 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2309 * sh.opt (mfused-madd): New option.
2310 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2311 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2312 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2313 Remove pointless handler at VBR+0.
2314 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2315 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2316 fr7. Make sure the timer handler is called with the correct FPU
2317 precision setting, according to the ABI.
2318 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2319 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2320 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2321 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2322 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2323 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2324 zero as second operand.
2325 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2326 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2327 Fixed some bugs related to negative values, in particular -0
2328 and overflow at -0x80000000.
2329 * config/sh/divcost-analysis: Added sh4-300 figures.
2330 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2331 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2332 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2333 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2334 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2335 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2337 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2339 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2340 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2341 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2342 mac_mem, mem_mac, dfp_mul, fp_cmp.
2343 (insn_class, dfp_comp, any_fp_comp): Update.
2344 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2345 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2346 (muldf3_i): Likewise.
2347 (movsi_i): Split rI08 alternative into two separate alternatives.
2349 (movsi_ie, movsi_i_lowpart): Likewise.
2350 (movqi_i): Split ri alternative into two separate alternatives.
2352 * sh1.md (sh1_load_store, sh1_fp): Update.
2353 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2354 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2355 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2356 (sh4a_fp_double_arith): Likewise.
2357 * sh4-300.md: New file.
2358 * sh.c (sh_handle_option): Handle m4-300* options.
2359 (sh_adjust_cost): Fix latency of auto-increments.
2360 Handle SH4-300 differently than other SH4s. Check for new insn types.
2361 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2362 been set by an option.
2363 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2364 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2365 (mbranch-cost=): Likewise.
2366 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2368 * sh.md (mulsf3): Remove special expansion code.
2369 (mulsf3_ie): Now a define_insn_and_split.
2370 (macsf3): Allow for TARGET_SH4.
2372 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2373 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2374 (expand_cbranchdi4): Likewise.
2375 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2376 CONST_DOUBLE if the outer code is COMPARE.
2377 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2378 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2379 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2380 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2381 Remove redundant fp_{zero,one}_operand checks.
2382 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2383 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2384 (expand_cbranchdi4): Likewise.
2385 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2386 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2388 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2390 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2393 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2395 * doc/invoke.texi: Fix mfp-trap-mode typo.
2397 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2399 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2400 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2401 file_end_indicate_exec_stack.
2402 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2404 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2405 for a non-executable stack.
2406 * crti.asm: Likewise.
2407 * crtn.asm: Likewise.
2408 * libunwind.S: Likewise.
2410 2006-11-02 Ben Elliston <bje@au.ibm.com>
2412 * tree-ssa.c (warn_uninit): Use expand_location variables for
2413 locus and declaration locus.
2415 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2418 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2419 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2420 cmp{eq,gt,gtu}{si,di}_media.
2421 (*cmpne0si_media): Remove.
2422 (*movsicc_umin): Adjust gen_cmp*_media call.
2423 (unordered): Change the mode of unordered and operands[1] to
2425 (seq): Adjust gen_cmp*_media calls. Make the mode of
2426 a temporary result of compare SImode if needed. If the mode
2427 of operands[0] is DImode, extend the temporary result to DImode.
2428 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2429 (sunorderd): Change the mode of match_operand and unorderd to
2431 (cmpeq{sf,df}_media): Remove.
2432 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2433 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2434 and compare operation to SImode.
2436 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2438 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2440 (sparc64-sun-solaris2*): Likewise.
2442 2006-11-02 Paul Brook <paul@codesourcery.com>
2444 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2445 from priority argument. Use different section for non-default
2447 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2449 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2452 * except.c (switch_to_exception_section): Do not cache the section
2453 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2454 and flag_function_sections is set.
2456 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2459 * builtins.c (do_mpfr_sincos): New.
2460 (fold_builtin_1): Use it to fold builtin sincos.
2462 2006-11-01 Roger Sayle <roger@eyesopen.com>
2464 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2465 it into -D_REENTRANT.
2467 2006-11-01 Roger Sayle <roger@eyesopen.com>
2469 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2470 whether the assembler supports taking the difference of symbols in
2471 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2472 * configure: Regenerate.
2473 * config.in: Regenerate.
2474 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2475 the assembler doesn't support taking the difference of symbols in
2476 different sections, i.e. we're using the native solaris assembler.
2478 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2479 Peter Bergner <bergner@vnet.ibm.com>
2481 * doc/invoke.texi: Add cpu_type power6x
2482 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2483 * config.gcc: Add cpu_type power6x.
2484 * configure.ac: Add test for mf{t,f}gpr instructions.
2485 (HAVE_AS_MFPGPR): New.
2486 * config.in: Regenerate.
2487 * configure: Regenerate.
2488 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2489 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2490 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2491 and mftgpr attributes.
2492 (define_attr "cpu"): Add power6.
2493 Change instruction sequences to use new attributes.
2494 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2495 (fix_truncdfsi2_mfpgpr): New.
2496 (floatsidf_ppc64_mfpgpr): New.
2497 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2498 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2499 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2500 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2501 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2502 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2503 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2504 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2505 cntlz,exts and var_delayed_compare.
2506 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2507 _ARCH_PWR6X, if features enabled.
2508 * config/rs6000/rs6000.opt (mmfpgpr): New.
2509 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2510 (cached_can_issue_more): New variable.
2511 (processor_costs): Add power6_cost.
2512 (rs6000_sched_init): New function.
2513 (is_dispatch_slot_restricted): Deleted.
2514 (set_to_load_agen): New function.
2515 (is_load_insn,is_store_insn): New functions.
2516 (adjacent_mem_locations): New function.
2517 (insn_must_be_first_in_group): New function.
2518 (insn_must_be_last_in_group): New function.
2519 (rs6000_sched_reorder): New function.
2520 (rs6000_sched_reorder2): New function.
2521 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2522 TARGET_SCHED_REORDER2): Define.
2523 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2524 Add power6x. Add MASK_MFPGPR for power6x.
2525 (POWERPC_MASKS): Add MASK_MFPGPR.
2526 (rs6000_override_options): Set rs6000_always_hint to false
2527 for power6. Set rs6000_align_branch_targets. Replace
2528 rs6000_sched_groups check with rs6000_align_branch_targets.
2529 Use PROCESSOR_POWER6.
2530 (last_scheduled_insn): New variable.
2531 (load_store_pendulum): New variable.
2532 (rs6000_variable_issue): Set last_scheduled_insn and
2533 cached_can_issue_more.
2534 (rs6000_adjust_cost): Add power6 cost adjustments.
2535 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2536 with insn_must_be_first_in_group. Add power6 priority adjustments.
2537 (rs6000_issue_rate): Add CPU_POWER6.
2538 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2539 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2540 (TARGET_MFPGPR): New.
2541 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2542 (ASM_CPU_SPEC): Add power6x.
2543 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2545 * config/rs6000/power6.md: New file.
2547 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2549 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2550 HOST_WIDE_INT_PRINT to print high and low parts. Use
2551 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2552 printing a hexadecimal number prefix it with 0x.
2554 2006-11-01 Chris Johns <chris@contemporary.net.au>
2557 * Makefile.in (install-driver): Use exeext when installing
2558 $target-gcc-$version.
2560 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2562 * c-common.c (flag_cpp0x): New.
2563 * c-common.h (flag_cpp0x): New.
2564 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2565 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2566 * c-opts.c (set_std_cxx0x): New.
2567 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2568 * c.opt (std=c++0x): Document.
2569 (std=gnu++0x): Ditto.
2570 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2571 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2573 2006-11-01 Richard Guenther <rguenther@suse.de>
2575 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2577 (ix86_expand_floorceildf_32): Likewise.
2578 (ix86_expand_floorceil): Likewise.
2579 (ix86_expand_trunc): Likewise.
2581 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2583 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2586 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2588 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2590 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2592 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2594 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2595 * configure.ac (use_cxa_atexit): As a special case, don't test
2596 for libc definition of __cxa_atexit on mingw32
2597 * configure: Regenerate.
2598 * config.gcc (i[34567]86-pc-mingw32): Default to
2599 enable__cxa_atexit=yes.
2601 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2605 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2608 * c-decl.c (start_struct): Don't create self-containing
2610 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2612 * config/rs6000/rs6000-protos.h
2613 (darwin_rs6000_special_round_type_align): New.
2614 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2615 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2617 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2619 * toplev.c (compile_file): Call final_write_globals
2620 even if there have been errors.
2622 2006-10-31 Eric Christopher <echristo@apple.com>
2623 Falk Hueffner <falk@debian.org>
2625 * doc/extend.texi (__builtin_bswap32): Document.
2626 (__builtin_bswap64): Ditto.
2627 * doc/libgcc.texi (bswapsi2): Document.
2629 * doc/rtl.texi (bswap): Document.
2630 * optabs.c (expand_unop): Don't widen a bswap.
2631 (init_optabs): Init bswap. Set libfuncs explicitly
2632 for bswapsi2 and bswapdi2.
2633 * optabs.h (OTI_bswap): New.
2634 (bswap_optab): Ditto.
2635 * genopinit.c (optabs): Handle bswap_optab.
2636 * tree.h (tree_index): Add TI_UINT32_TYPE and
2638 (uint32_type_node): New.
2639 (uint64_type_node): Ditto.
2640 * tree.c (build_common_tree_nodes_2): Initialize
2641 uint32_type_node and uint64_type_node.
2642 * builtins.c (expand_builtin_bswap): New.
2643 (expand_builtin): Call.
2644 (fold_builtin_bswap): New.
2645 (fold_builtin_1): Call.
2646 * fold-const.c (tree_expr_nonnegative_p): Return true
2648 * builtin-types.def (BT_UINT32): New.
2650 (BT_FN_UINT32_UINT32): Ditto.
2651 (BT_FN_UINT64_UINT64): Ditto.
2652 * builtins.def (BUILT_IN_BSWAP32): New.
2653 (BUILT_IN_BSWAP64): Ditto.
2654 * rtl.def (BSWAP): New.
2655 * genattrtab.c (check_attr_value): New.
2656 * libgcc2.c (__bswapSI2): New.
2657 (__bswapDI2): Ditto.
2658 * libgcc2.h (__bswapSI2): Declare.
2659 (__bswapDI2): Ditto.
2660 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2661 * simplify-rtx.c (simplify_const_unary_operation): Return
2663 * libgcc-std.ver (__bwapsi2): Add.
2664 (__bswapdi2): Ditto.
2665 * reload1.c (eliminate_regs_1): Add bswap.
2666 (elimination_effects): Ditto.
2667 * config/i386/i386.h (x86_bswap): New.
2668 (TARGET_BSWAP): Use.
2669 * config/i386/i386.c (x86_bswap): Set.
2671 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2673 * coverage.c (coverage_checksum_string): Update comment.
2674 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2675 of get_file_function_name.
2676 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2677 of get_file_function_name_long.
2678 * tree.c (get_file_function_name): Rename from
2679 get_file_function_name_long; improve comment; handle 'I' and 'D'
2680 specially when the target has ctor/dtor support; remove special
2682 (get_file_function_name): Remove.
2683 * tree.h (get_file_function_name): Rename from
2684 get_file_function_name_long.
2685 (get_file_function_name): Remove prototype.
2687 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2689 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2690 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2692 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2693 Call dsymutil when compiling and linking one or more source files
2696 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2699 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2701 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2703 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2704 inline static functions in c99 mode.
2707 * doc/extend.texi (Inline): Update.
2708 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2709 * c-decl.c (current_extern_inline): Delete.
2710 (pop_scope): Adjust test for an undefined nested function.
2711 Add warning about undeclared inline function.
2712 (diagnose_mismatched_decls): Update comments. Disallow overriding
2713 of inline functions in a translation unit in C99. Allow inline
2714 declarations in C99 at any time.
2715 (merge_decls): Boolize variables. Handle C99 'extern inline'
2717 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2718 C99 inline semantics.
2719 (start_function): Don't clear current_extern_inline. Don't set
2721 (c_push_function_context): Don't push current_extern_inline.
2722 (c_pop_function_context): Don't restore current_extern_inline.
2725 * c-typeck.c (build_external_ref): Warn about static variables
2726 used in extern inline functions.
2727 * c-decl.c (start_decl): Warn about static variables declared
2728 in extern inline functions.
2730 2006-10-31 Roger Sayle <roger@eyesopen.com>
2733 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2734 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2735 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2736 or y is an even integer.
2738 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2741 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2742 * gthr-posix95.h (__gthread_active_p): Likewise.
2744 2006-10-31 Richard Guenther <rguenther@suse.de>
2746 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2747 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2748 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2749 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2750 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2751 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2752 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2753 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2756 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2758 * opts.c (decode_options): Disable CSE skip blocks.
2760 2006-10-30 Dirk Mueller <dmueller@suse.de>
2762 * c-common.h (strict_aliasing_warning): Fix whitespace.
2763 * c-decl (start_function): Move code for main decl warning ..
2764 * c-common.c (check_main_parameter_types): .. here.
2765 * c-common.h (check_main_parameter_types): Declare.
2767 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2770 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2772 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2774 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2775 be a PARALLEL containing sets. Return false when out_pat is not
2778 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2780 * config/mips/mips.md (mul<mode>3): Split into...
2781 (mulsi3, muldi3): ...these separate patterns.
2783 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2785 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2786 but with each set of options separated by spaces.
2788 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2790 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2791 dwarf_reg_size_table has been initialized.
2793 2006-10-30 Roger Sayle <roger@eyesopen.com>
2795 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2796 * ddg.c (print_ddg_edge): Likewise.
2797 * dwarf2out.c (prune_unused_types_walk): Likewise.
2798 * ifcvt.c (noce_try_cmove_arith): Likewise.
2799 * langhooks.c (add_builtin_function): Likewise.
2800 * reg-stack.c (subst_stack_regs_pat): Likewise.
2801 * tree.c (expanded_location): Likewise.
2802 * tree-dump.c (dequeue_and_dump): Likewise.
2804 2006-10-30 David Daney <ddaney@avtrex.com>
2806 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2808 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2810 PR tree-optimization/29637
2811 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2812 of the innertype is the innertype itself.
2814 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2816 * dwarf2out.c (file_name_acquire): Correct typo.
2818 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2820 * tree.h (tree_value_handle): Remove struct value_set declaration.
2821 Change value_set to bitmap_set.
2822 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2823 * tree-vn.c (get_value_handle): Made inline and moved to
2825 * tree-flow-inline.h: (has_stmt_ann): New function.
2826 * tree-ssa-pre.c (expressions): New variable.
2827 (next_expression_id): Ditto.
2828 (alloc_expression_id): New function.
2829 (struct value_set): Remove.
2830 (get_expression_id): New function.
2831 (get_or_alloc_expression_id): Ditto.
2832 (expression_for_id): Ditto.
2833 (clear_expression_ids): Ditto.
2834 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2835 (bb_value_sets): Renamed to bb_bitmap_sets.
2836 All value sets replaced with bitmap_sets.
2838 (BB_VISITED): New macro.
2839 (postorder): New variable.
2840 (add_to_value): Removed.
2841 (value_exists_in_set_bitmap): Ditto.
2842 (value_insert_into_set_bitmap): Ditto.
2845 (set_remove): Ditto.
2846 (set_contains_value): Ditto.
2847 (insert_into_set): Ditto.
2849 (find_leader): Ditto.
2850 (bitmap_set_subtract_from_value_set): Ditto.
2851 (value_insert_into_set): Ditto.
2852 (print_value_set): Ditto.
2853 (debug_value_set): Ditto.
2854 (constant_expr_p): New function.
2855 (bitmap_remove_from_set): Ditto.
2856 (bitmap_insert_into_set): Ditto.
2857 (bitmap_set_free): Ditto.
2858 (vh_compare): Ditto.
2859 (sorted_array_from_bitmap_set): Ditto.
2860 (bitmap_set_subtract): Ditto.
2861 (bitmap_set_equal): Ditto.
2862 (debug_bitmap_set): Ditto.
2863 (find_leader_in_sets): Ditto.
2864 (bitmap_set_replace_value): Modify for bitmapped sets.
2865 (phi_translate): Ditto.
2866 (phi_translate_set): Ditto.
2867 (bitmap_find_leader): Ditto.
2868 (valid_in_sets): Ditto.
2869 (union_contains_value): Ditto.
2871 (compute_antic_aux): Ditto. Mark changed blocks.
2872 (compute_antic): Ditto. Iterate in postorder and only over
2874 (compute_rvuse_and_antic_safe): Reuse postorder.
2875 (create_component_ref_by_pieces): Modify for bitmapped sets.
2876 (find_or_generate_expression): Ditto.
2877 (create_expression_by_pieces): Ditto.
2878 (insert_into_preds_of_block): Ditto.
2879 (changed_blocks): New variable.
2880 (do_regular_insertion): Broken out from insert_aux.
2881 (insert_aux): Modified for bitmapped sets.
2882 (find_existing_value_expr): New function.
2883 (create_value_expr_from): Use it.
2884 (insert_extra_phis): Removed.
2885 (print_bitmap_set): Renamed from bitmap_print_value_set.
2886 (compute_avail): Handle RETURN_EXPR.
2887 (init_pre): Modify for bitmapped sets.
2888 * tree-flow.h (has_stmt_ann): New function.
2890 2006-10-29 Roger Sayle <roger@eyesopen.com>
2892 * builtins.c (fold_builtin_floor): Check for the availability of
2893 the C99 trunc function before transforming floor into trunc.
2895 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2897 * builtins.c (fold_builtin_hypot): Rearrange recursive
2898 transformation before others, and also do ABS_EXPR. When
2899 necessary, check flag_unsafe_math_optimizations. When necessary,
2902 2006-10-29 Roger Sayle <roger@eyesopen.com>
2904 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2905 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2906 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2907 Fold -X eq/ne -Y as X eq/ne Y.
2909 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2911 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2912 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2913 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2914 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2915 Use an inclusive test for "mult" rather than "mul".
2916 (rotr<mode>3): Depend on ISA_HAS_ROR.
2917 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2919 (GENERATE_MULT3_DI): Delete.
2920 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2921 (ISA_HAS_MUL3): New macro.
2922 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2923 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2924 (ISA_HAS_CLZ_CLO): Likewise.
2925 (ISA_HAS_DCLZ_DCLO): Delete.
2926 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2927 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2928 the VR4120 and VR4130.
2929 (ISA_HAS_MACCHI): Use consistent formatting.
2930 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2931 (ISA_HAS_ROR): ...this new macro.
2932 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2933 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2934 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2936 2006-10-29 Roger Sayle <roger@eyesopen.com>
2938 PR tree-optimization/15458
2939 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2942 2006-10-29 Richard Guenther <rguenther@suse.de>
2944 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2945 (ix86_expand_truncdf_32): Likewise.
2946 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2947 trunc inline for SSE math and -fno-trapping-math and if not
2948 optimizing for size.
2949 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2950 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2951 for expanding btrunc inline for SSE math.
2953 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2955 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2956 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2957 i[34567]86-*-solaris2.1[0-9]*.
2958 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2959 Define conditionally depending on TARGET_64BIT_DEFAULT.
2960 (SPEC_32, SPEC_64): Define.
2961 (LINK_SPEC): Use them.
2962 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2964 2006-10-29 Richard Guenther <rguenther@suse.de>
2966 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2967 (ix86_expand_rounddf_32): Likewise.
2968 * config/i386/i386.c (ix86_expand_round): New function expanding
2969 round inline for SSE math and -fno-trapping-math and if not
2970 optimizing for size.
2971 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2972 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2973 round via ix86_expand_round.
2975 2006-10-29 Richard Guenther <rguenther@suse.de>
2977 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2978 (ix86_expand_floorceildf_32): Likewise.
2979 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2980 static helper function.
2981 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2983 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2984 * config/i386/i386.md (floordf2): Adjust to enable floor
2985 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2986 -fno-trapping-math is enabled and if not optimizing for size.
2987 (floorsf2, ceildf2, ceilsf2): Likewise.
2988 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2989 (sse2_maskcmpdf3): Likewise.
2991 2006-10-29 Richard Guenther <rguenther@suse.de>
2993 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2994 rint in case -fno-trapping-math is enabled.
2995 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2996 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2997 (ix86_expand_sse_fabs): Likewise.
2998 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2999 * config/i386/i386.md (rintdf2): Enable for SSE math if
3000 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3001 (rintsf2): Likewise.
3003 2006-10-29 Richard Guenther <rguenther@suse.de>
3005 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3006 to conversion optabs.
3007 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3008 as conversion optab.
3009 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3010 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3011 (lfloor_optab, lceil_optab): Adjust defines.
3012 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3013 lfloor and lceil optabs now being conversion optabs.
3014 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3015 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3016 New static helper function.
3017 (ix86_expand_lfloorceil): New function to expand lfloor and
3019 * config/i386/i386.md (lfloor<mode>2): Split into ...
3020 (lfloorxf<mode>2): ... x87 variant
3021 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3022 using ix86_expand_lfloorceil.
3023 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3025 * doc/md.texi (lfloorMN, lceilMN): Document.
3027 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3029 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3030 -mno-shared assembler option on mips targets.
3031 * configure, config.in: Regenerate.
3032 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3033 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3034 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3036 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3038 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3039 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3041 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3043 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3044 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3047 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3051 (fold_builtin_pow): Evaluate constant arguments at compile-time
3053 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3054 (do_mpfr_ckconv): New helper function.
3055 (do_mpfr_arg1): Use do_mpfr_ckconv.
3056 (do_mpfr_arg2): New.
3058 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3061 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3062 (-fdump-rtl-sched): Rename to ..
3063 (-fdump-rtl-sched1): here. Also fix file extension number.
3065 2006-10-28 Richard Guenther <rguenther@suse.de>
3067 * fold-const.c (maybe_canonicalize_comparison): Fix code
3070 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3072 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3073 (NON_QI_REG_P): Use IN_RANGE.
3074 (REX_INT_REGNO_P): Use IN_RANGE.
3075 (FP_REGNO_P): Use IN_RANGE.
3076 (SSE_REGNO_P): Use IN_RANGE.
3077 (REX_SSE_REGNO_P): Use IN_RANGE.
3078 (MMX_REGNO_P): Use IN_RANGE.
3079 (STACK_REGNO_P): New macro.
3080 (STACK_REG_P): Use STACK_REGNO_P.
3081 (NON_STACK_REG_P): Use STACK_REGNO_P.
3082 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3083 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3084 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3085 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3086 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3088 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3090 * except.h (output_function_exception_table): Add 'const char*' param.
3091 * except.c (switch_to_exception_section): Add 'const char*' param.
3092 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3093 and flag_function_sections is set, use a function-specific section.
3094 (output_function_exception_table): Add 'const char*' param.
3095 Adjust call to switch_to_exception_section.
3096 * final.c (rest_of_handle_final): Adjust calls to
3097 output_function_exception_table.
3098 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3099 * config.in: Regenerate.
3100 * configure: Likewise.
3102 2006-10-28 Richard Guenther <rguenther@suse.de>
3105 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3106 for maybe_canonicalize_comparison.
3107 (maybe_canonicalize_comparison): New function for canonicalizing
3109 (fold_comparison): Call it to canonicalize comparisons with
3112 2006-10-28 Richard Guenther <rguenther@suse.de>
3115 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3116 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3117 (expand_builtin): Adjust likewise.
3118 * genopinit.c (optabs[]): Add lround optab.
3119 * optabs.c (init_optabs): Initialize lround_optab.
3120 * optabs.h (enum convert_optab_index): Add COI_lround.
3121 (lround_optab): Define.
3122 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3123 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3125 (ix86_expand_lround): New function.
3126 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3128 * doc/md.texi (lroundMN2): Document.
3130 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3133 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3134 argument to HOST_WIDE_INT. Update function prototype.
3135 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3136 "size" argument to HOST_WIDE_INT. Update function prototype.
3138 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3140 * config/i386/i386.c (output_387_ffreep): Create output from a
3141 template string for !HAVE_AS_IX86_FFREEP.
3143 2006-10-27 Eric Christopher <echristo@apple.com>
3145 * config/darwin.c: Fix formatting and grammar.
3147 2006-10-27 Jan Hubicka <jh@suse.cz>
3149 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3150 to be thrown away soon when IGNORE is set.
3151 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3152 indicating when return value shall not be computed.
3153 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3155 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3157 * config/i386/i386.h (TARGET_GEODE):
3158 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3159 (TARGET_CPU_DEFAULT_geode): New macro.
3160 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3161 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3162 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3163 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3164 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3166 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3167 (processor_type): Add PROCESSOR_GEODE.
3169 * config/i386/i386.md: Include geode.md.
3172 * config/i386/i386.c (geode_cost): New initialized global
3174 (m_GEODE, m_K6_GEODE): New macros.
3175 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3176 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3177 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3178 x86_schedule): Use m_K6_GEODE instead of m_K6.
3179 (x86_movx, x86_cmove): Set up m_GEODE.
3180 (x86_integer_DFmode_moves): Clear m_GEODE.
3181 (processor_target_table): Add entry for geode.
3182 (processor_alias_table): Ditto.
3184 * config/i386/geode.md: New file.
3186 * doc/invoke.texi: Add entry about geode processor.
3188 2006-10-27 Mike Stump <mrs@apple.com>
3190 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3191 __DYNAMIC__ from here back to ...
3192 * config/darwin.h (CPP_SPEC): ... here.
3194 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3195 Nathan Sidwell <nathan@codesourcery.com>
3197 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3198 when choosing the minimum heapsize.
3200 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3202 * gcc/unwind-dw2.h: Move cfa-related variables into
3203 struct frame_state_reg_info to ensure that the CFA is properly
3204 handled when executing DW_CFA_{remember,restore}_state.
3205 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3206 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3207 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3208 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3209 gcc/config/rs6000/linux-unwind.h,
3210 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3211 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3212 Modify to use new cfa_* fields.
3214 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3216 * config/s390/s390.c (s390_init_frame_layout): Check positive
3219 2006-10-26 Ben Elliston <bje@au.ibm.com>
3221 * gimplify.c (get_name): Remove extraneous break.
3222 (gimplify_omp_for): Initialise ret with GS_OK.
3224 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3226 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3227 Add unix98.o to link line.
3229 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3233 Calculate compile-time constants using MPFR.
3234 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3235 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3237 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3239 * config/xtensa/lib2funcs.S: Use C-style comments.
3241 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3243 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3244 (file_table_relative_p): Likewise.
3245 (dwarf2out_finish): Likewise.
3246 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3248 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3250 * tree-ssa-structalias.c (intra_create_variable_infos):
3251 Don't recreate nonlocal_all if it already exists.
3253 2006-10-25 Richard Guenther <rguenther@suse.de>
3256 * optabs.h (enum optab_index): Remove OTI_lrint.
3257 (enum convert_optab_index): Add COI_lrint.
3258 (lrint_optab): Adjust.
3259 (expand_sfix_optab): Declare.
3260 * optabs.c (expand_sfix_optab): New function.
3261 (init_optabs): Init lrint_optab as conversion optab.
3262 * genopinit.c (lrint_optab): Change to a conversion optab.
3263 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3264 expansion via conversion optab.
3265 * config/i386/i386.md (*fistdi2_1): Remove
3266 flag_unsafe_math_optimizations guard.
3267 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3268 fist<mode>2_with_temp): Likewise.
3269 (lrint<mode>2): Split into...
3270 (lrintxf<mode>2): ... x87 part
3271 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3272 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3273 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3274 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3275 * doc/md.texi (lrintMN2): Document.
3277 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3280 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3281 Use inc and dec instructions for TARGET_USE_INCDEC.
3282 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3283 ("sync_double_compare_and_swap<mode>"): Likewise.
3284 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3285 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3286 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3287 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3288 ("sync_old_add<mode>"): Likewise.
3289 ("sync_lock_test_and_set<mode>"): Likewise.
3290 ("sync_lock_test_and_set<mode>"): Likewise.
3291 ("sync_add<mode>"): Likewise.
3292 ("sync_sub<mode>"): Likewise.
3293 ("sync_ior<mode>"): Likewise.
3294 ("sync_and<mode>"): Likewise.
3295 ("sync_xor<mode>"): Likewise.
3297 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3299 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3300 (remainder_optab): Define corresponding macro.
3301 (drem_optab): Remove.
3302 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3303 drem_optab initialization.
3304 * genopinit.c (optabs): Implement remainder_optab using
3305 remainder?f3 patterns. Remove drem_optab.
3306 * builtins.c (expand_builtin_mathfn_2): Handle
3307 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3308 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3309 expand_builtin_mathfn_2.
3311 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3312 depend on flag_unsafe_math_optimizations.
3314 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3315 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3316 Do not depend on flag_unsafe_math_optimizations. Use
3317 truncxf?f expander instead of truncxf?f_i387_noop.
3319 ("fpremxf4", "fprem1xf4"): Do not depend on
3320 flag_unsafe_math_optimizations.
3321 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3322 flag_unsafe_math_optimizations. Use truncxf?f expander
3323 instead of truncxf?f_i387_noop.
3325 * doc/md.texi (fmod, remainder): Document standard named pattern.
3327 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3328 David Daney <ddaney@avtrex.com>
3331 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3333 2006-10-25 Ben Elliston <bje@au.ibm.com>
3335 * doc/extend.texi (Variable Attributes): Typo fix.
3337 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3339 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3340 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3341 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3342 (FRAME_POINTER_REGNUM): Update register number to 21.
3343 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3344 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3346 * config/i386/i386.c (regclass_map): Add fpcr entry.
3347 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3349 (print_reg): Assert REGNO (x) != FPCR_REG.
3351 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3352 (DIRFLAG_REG): Renumber.
3353 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3354 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3355 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3356 hardcoded SSE register numbers.
3358 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3359 hardcoded MMX register numbers.
3361 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3364 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3365 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3367 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3368 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3369 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3370 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3372 2006-10-24 Richard Guenther <rguenther@suse.de>
3375 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3376 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3377 for deciding optimizations in consistency with fold-const.c
3378 (fold_builtin_unordered_cmp): Likewise.
3380 2006-10-24 Richard Guenther <rguenther@suse.de>
3382 * builtins.c (fold_builtin_floor): Fold floor (x) where
3383 x is nonnegative to trunc (x).
3384 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3385 nonnegative to FIX_TRUNC_EXPR.
3387 2006-10-24 Richard Guenther <rguenther@suse.de>
3389 PR tree-optimization/29567
3390 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3391 for TRUTH_NOT_EXPR. Clarify comments.
3393 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3396 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3397 at compile-time using MPFR. Change parameter VALUE to FUNC,
3399 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3400 for overflow and underflow at all times and avoid folding in
3403 2006-10-24 Ben Elliston <bje@au.ibm.com>
3405 * reload1.c: Formatting fixes.
3407 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3409 PR tree-optimization/14784
3410 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3411 * tree-ssa-structalias.c (get_constraint_for,
3412 intra_create_variable_infos): Set is_heapvar.
3413 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3414 non-heapvar pointer variables specially.
3416 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3419 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3420 fold_builtin_tan): Fold all constant arguments. Take a "type"
3421 argument as necessary.
3422 (do_mpfr_arg1): New.
3423 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3425 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3427 * config/xtensa/lib1funcs.asm: Use C-style comments.
3429 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3431 * tree.c (local_define_builtin): Replace calls to
3432 lang_hooks.builtin_function with add_builtin_function.
3433 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3435 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3437 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3438 common code to add_builtin_function.
3439 * langhooks.c (add_builtin_function): New function.
3440 (lhd_builtin_function): New function.
3441 * langhooks.h (struct lang_hooks): Change the signature of
3443 (add_builtin_function): New function.
3444 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3445 calls to lang_hooks.builtin_function with add_builtin_function.
3446 * c-common.c (decl_builtin_1): Replace calls to
3447 lang_hooks.builtin_function with add_builtin_function.
3448 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3449 lang_hooks.builtin_function with add_builtin_function.
3450 * config/frv/frv.c (def_builtin): Replace calls to
3451 lang_hooks.builtin_function with add_builtin_function.
3452 * config/s390/s390.c (s390_init_builtins): Replace calls to
3453 lang_hooks.builtin_function with add_builtin_function.
3454 * config/sparc/sparc.c (def_builtin): Replace calls to
3455 lang_hooks.builtin_function with add_builtin_function.
3456 * config/i386/i386.c (def_builtin): Replace calls to
3457 lang_hooks.builtin_function with add_builtin_function.
3458 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3459 lang_hooks.builtin_function with add_builtin_function.
3460 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3461 lang_hooks.builtin_function with add_builtin_function.
3462 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3463 Replace calls to lang_hooks.builtin_function with
3464 add_builtin_function.
3465 * config/iq2000/iq2000.c (def_builtin):
3466 Replace calls to lang_hooks.builtin_function with
3467 add_builtin_function.
3468 * config/ia64/ia64.c (def_builtin): Replace calls to
3469 lang_hooks.builtin_function with add_builtin_function.
3470 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3471 lang_hooks.builtin_function with add_builtin_function.
3472 (altivec_init_builtins): Replace calls to
3473 lang_hooks.builtin_function with add_builtin_function.
3474 * config/arm/arm.c (def_mbuiltin): Replace calls to
3475 lang_hooks.builtin_function with add_builtin_function.
3476 (arm_init_tls_builtins): Replace calls to
3477 lang_hooks.builtin_function with add_builtin_function.
3478 * config/mips/mips.c (mips_init_builtins): Replace calls to
3479 lang_hooks.builtin_function with add_builtin_function.
3480 * config/bfin/bfin.c (def_builtin): Replace calls to
3481 lang_hooks.builtin_function with add_builtin_function.
3482 * langhooks-def.h (lhd_builtin_function): New function.
3483 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3485 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3487 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3488 BUILT_IN_STRNCAT_CHK.
3490 2006-10-23 Jan Hubicka <jh@suse.cz>
3492 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3493 don't do conversion from memmove to memcpy here.
3494 (expand_builtin_bcopy, expand_builtin): Update call of
3495 expand_builtin_memmove.
3496 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3498 2006-10-23 Paul Brook <paul@codesourcery.com>
3500 * stor-layout.c (start_record_layout): maximum_field_alignment
3501 overrides STRUCTURE_SIZE_BOUNDARY.
3503 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3505 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3506 nonlocal function symbols if flag_pic.
3508 2006-10-23 Richard Guenther <rguenther@suse.de>
3512 * builtins.c (fold_binary): Remove checks for flag_wrapv
3513 and flag_trapv where negate_expr_p covers these cases.
3515 2006-10-23 Richard Guenther <rguenther@suse.de>
3518 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3519 of two on the absolute value.
3520 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3521 and negating -C does not overflow.
3523 2006-10-23 Richard Guenther <rguenther@suse.de>
3526 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3527 only if not flag_rounding_math.
3529 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3530 Kaz Kojima <kkojima@gcc.gnu.org>
3533 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3534 SImode memory reference for the source of a movua.
3535 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3536 (movua): Use an unspec instead of sign_extract. Expect the source
3537 to have mode BLKmode.
3538 (extv, insv): Use a BLKmode rather than SImode memory reference
3539 for the source of a movua.
3541 2006-10-22 Jeff Law <law@redhat.com>
3542 Richard Guenther <rguenther@suse.de>
3544 PR tree-optimization/15911
3545 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3546 (register_edge_assert_for_1): Likewise.
3547 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3548 (find_conditional_asserts): Adjust for new function signature.
3549 (find_assert_locations): Likewise.
3551 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3553 * config/i386/tmmintrin.h: Remove the duplicated content.
3555 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3557 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3558 (x86_64-*-*): Likewise.
3560 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3561 (override_options): Check SSSE3.
3562 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3563 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3564 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3565 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3566 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3567 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3568 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3569 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3570 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3571 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3572 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3573 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3574 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3575 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3576 IX86_BUILTIN_PABSD128.
3577 (bdesc_2arg): Add SSSE3.
3578 (bdesc_1arg): Likewise.
3579 (ix86_init_mmx_sse_builtins): Support SSSE3.
3580 (ix86_expand_builtin): Likewise.
3581 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3583 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3584 (UNSPEC_PSIGN): Likewise.
3585 (UNSPEC_PALIGNR): Likewise.
3586 Include mmx.md before sse.md.
3588 * config/i386/i386.opt: Add -mssse3.
3590 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3591 (ssse3_phaddwv4hi3): Likewise.
3592 (ssse3_phadddv4si3): Likewise.
3593 (ssse3_phadddv2si3): Likewise.
3594 (ssse3_phaddswv8hi3): Likewise.
3595 (ssse3_phaddswv4hi3): Likewise.
3596 (ssse3_phsubwv8hi3): Likewise.
3597 (ssse3_phsubwv4hi3): Likewise.
3598 (ssse3_phsubdv4si3): Likewise.
3599 (ssse3_phsubdv2si3): Likewise.
3600 (ssse3_phsubswv8hi3): Likewise.
3601 (ssse3_phsubswv4hi3): Likewise.
3602 (ssse3_pmaddubswv8hi3): Likewise.
3603 (ssse3_pmaddubswv4hi3): Likewise.
3604 (ssse3_pmulhrswv8hi3): Likewise.
3605 (ssse3_pmulhrswv4hi3): Likewise.
3606 (ssse3_pshufbv16qi3): Likewise.
3607 (ssse3_pshufbv8qi3): Likewise.
3608 (ssse3_psign<mode>3): Likewise.
3609 (ssse3_psign<mode>3): Likewise.
3610 (ssse3_palignrti): Likewise.
3611 (ssse3_palignrdi): Likewise.
3612 (abs<mode>2): Likewise.
3613 (abs<mode>2): Likewise.
3615 * config/i386/tmmintrin.h: New file.
3617 * doc/extend.texi: Document SSSE3 built-in functions.
3619 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3621 2006-10-22 Ira Rosen <irar@il.ibm.com>
3623 * tree-vect-transform.c (vectorizable_load): Use the type of the
3624 return value of the mask_for_load builtin to create realign_load
3627 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3629 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3632 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3634 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3635 (UNSPEC_LDDQU): This.
3636 * config/i386/sse.md (sse3_lddqu): Updated.
3638 2006-10-21 Richard Guenther <rguenther@suse.de>
3640 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3641 (expand_builtin): Use it to expand lrint instead of
3642 expand_builtin_mathfn.
3644 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3647 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3648 flag_unsafe_math_optimizations is set.
3650 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3653 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3654 patterns to use memory input operand in x87->mem->XMM
3655 reload sequences. Skip transformation for TARGET_K8.
3657 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3659 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3660 force operand1 to register if both operands are memory operands.
3661 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3662 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3663 if both operands are memory operands.
3664 (truncdfsf2): Do not force operand1 to register if both operands
3665 are memory operands.
3667 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3669 * Makefile.in (LIBS): Add $(GMPLIBS).
3670 * doc/install.texi: Update GMP and MPFR requirements.
3671 * doc/sourcebuild.texi (need_gmp): Delete.
3673 2006-10-21 Richard Guenther <rguenther@suse.de>
3675 PR tree-optimization/3511
3676 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3677 got new invariant arguments during PHI translation.
3679 2006-10-21 Richard Guenther <rguenther@suse.de>
3682 * fold-const.c (fold_comparison): Fold signed comparisons
3683 of the form X +- C1 CMP Y +- C2.
3685 2006-10-21 Richard Guenther <rguenther@suse.de>
3688 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3689 if flag_unsafe_math_optimizations is specified. We have
3690 flag_finite_math_only for that.
3691 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3692 or flag_unsafe_math_optimizations.
3694 2006-10-21 Richard Guenther <rguenther@suse.de>
3696 * builtins.c (fold_builtin_classify): Fix typo.
3698 2006-10-21 Richard Guenther <rguenther@suse.de>
3701 * simplify-rtx.c (simplify_const_relational_operation):
3702 Do not constant-fold ORDERED and UNORDERED for
3703 flag_unsafe_math_optimizations but only we do not need to
3704 honor NaNs for the given mode.
3706 2006-10-21 Richard Guenther <rguenther@suse.de>
3709 * config/i386/i386.c (classify_argument): Remove redundant
3710 walking of the BINFOs.
3711 (contains_128bit_aligned_vector_p): Likewise.
3713 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3715 * BASE-VER: Set to 4.3.0.
3717 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3719 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3720 (tree_decl_with_vis): Remove artificial_pta_var flag.
3721 * tree-flow.h (referenced_var_check_and_insert): Expose.
3722 (nonlocal_all): New prototype.
3723 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3724 (nonlocal_all): Make global.
3725 (nonlocal_lookup): Remove.
3726 (nonlocal_insert): Ditto.
3727 (create_nonlocal_var): Do not call nonlocal_insert.
3728 (get_nonlocal_id_for_type): Remove.
3729 (find_global_initializers): Mark new vars we find for renaming.
3730 (intra_create_variable_infos): Only create one nonlocal.
3731 (expand_nonlocal_solutions): Remove.
3732 (compute_points_to_sets): Don't call it.
3733 (ipa_pta_execute): Ditto.
3734 (init_alias_heapvars): Don't create nonlocal_for_type.
3735 (delete_alias_heapvars): Don't remove it.
3736 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3739 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3741 * doc/install.texi (Downloading GCC): Clarify mention of
3742 Fortran in the "full distribution" description.
3744 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3746 Fix PR tree-optimization/28778
3747 Fix PR tree-optimization/29156
3748 Fix PR tree-optimization/29415
3749 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3750 (tree_decl_with_vis): Add artificial_pta_var flag.
3751 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3752 pushed into callers.
3753 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3754 (nonlocal_all): Ditto.
3755 (struct variable_info): Add directly_dereferenced member.
3756 (var_escaped_vars): New variable.
3757 (escaped_vars_tree): Ditto.
3758 (escaped_vars_id): Ditto.
3759 (nonlocal_vars_id): Ditto.
3760 (new_var_info): Set directly_dereferenced.
3761 (graph_size): New variable
3762 (build_constraint_graph): Use graph_size.
3763 (solve_graph): Don't process constraints that cannot change the
3764 solution, don't try to propagate an empty solution to our
3766 (process_constraint): Set directly_dereferenced.
3767 (could_have_pointers): New function.
3768 (get_constraint_for_component_ref): Don't process STRING_CST.
3769 (nonlocal_lookup): New function.
3770 (nonlocal_insert): Ditto.
3771 (create_nonlocal_var): Ditto.
3772 (get_nonlocal_id_for_type): Ditto.
3773 (get_constraint_for): Allow results vector to be empty in the case
3774 of string constants.
3775 Handle results of calls properly.
3776 (update_alias_info): Update alias info stats on number and type of
3778 (find_func_aliases): Use could_have_pointers.
3779 (make_constraint_from_escaped): Renamed from
3780 make_constraint_to_anything, and changed to make constraints from
3782 (make_constraint_to_escaped): New function.
3783 (find_global_initializers): Ditto.
3784 (create_variable_info_for): Make constraint from escaped to any
3785 global variable, and from any global variable to the set of
3787 (intra_create_variable_infos): Deal with escaped instead of
3788 pointing to anything.
3789 (set_uids_in_ptset): Do type pruning on directly dereferenced
3791 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3792 (init_base_vars): Fix comment, and initialize escaped_vars.
3793 (need_to_solve): Removed.
3794 (find_escape_constraints): New function.
3795 (expand_nonlocal_solutions): Ditto.
3796 (compute_points_to_sets): Call find_escape_constraints and
3797 expand_nonlocal_solutions.
3798 (delete_points_to_sets): Don't fall off the end of the graph.
3799 (init_alias_heapvars): Initialize nonlocal_for_type and
3801 (delete_alias_heapvars): Free nonlocal_for_type and null out
3804 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3806 * fold-const.c (add_double): Rename to add_double_with_sign.
3807 Add 'unsigned_p' parameter and take it into account for the overflow.
3808 (mul_double): Rename to mul_double_with_sign.
3809 Add 'unsigned_p' parameter and take it into account for the overflow.
3810 (fold_div_compare): Call add_double_with_sign instead of add_double
3811 and mul_double_with_sign instead of mul_double, passing them the
3812 unsignedness of the type.
3813 * tree.h (add_double): Macroize.
3814 (add_double_with_sign): New prototype.
3815 (mul_double): Macroize.
3816 (mul_double_with_sign): New prototype.
3818 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3820 * config/score/crti.asm: New file.
3821 * config/score/crtn.asm: New file.
3822 * config/score/elf.h: New file.
3823 * config/score/mac.md: New file.
3824 * config/score/misc.md: New file.
3825 * config/score/mul-div.S: New file.
3826 * config/score/predicates.md: New file.
3827 * config/score/score7.md: New file.
3828 * config/score/score.c: New file.
3829 * config/score/score-conv.h: New file.
3830 * config/score/score.h: New file.
3831 * config/score/score.md: New file.
3832 * config/score/score-mdaux.c: New file.
3833 * config/score/score-mdaux.h: New file.
3834 * config/score/score-modes.def: New file.
3835 * config/score/score.opt: New file.
3836 * config/score/score-protos.h: New file.
3837 * config/score/score-version.h: New file.
3838 * config/score/t-score-elf: New file.
3839 * config.gcc: Add score*-*-* configurations(Update before).
3840 * doc/invoke.texi (Score Options): New section.
3841 * doc/md.texi (Score family): New section to document constraints.
3843 2006-10-19 Nick Clifton <nickc@redhat.com>
3845 * config/arm/arm.c: Fix spelling typo.
3847 2006-10-18 Tom Tromey <tromey@redhat.com>
3849 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3851 2006-10-18 Jan Hubicka <jh@suse.cz>
3854 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3857 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3859 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3860 TSI_SAME_STMT, since that's the desired entity.
3862 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3864 * config/s390/contraints.md: New file.
3865 * config/s390/s390-protos.h (s390_mem_constraint,
3866 s390_O_constraint_str, s390_N_constraint_str,
3867 s390_float_const_zero_p): Function prototypes added.
3868 * config/s390/s390.c (s390_extra_constraint_str,
3869 s390_const_double_ok_for_constraint_p,
3870 s390_const_ok_for_constraint_p): Functions removed.
3871 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3872 s390_float_const_zero_p): New functions.
3873 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3874 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3875 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3876 Macro definitions removed.
3877 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3878 s390_extra_constraint_str): Functions removed.
3880 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3881 Richard Sandiford <richard@codesourcery.com>
3884 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3885 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3887 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3889 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3890 (DWARF2_FRAME_REG_OUT): Likewise.
3891 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3892 (DWARF2_FRAME_REG_OUT): Likewise.
3894 2006-10-17 Paul Brook <paul@codesourcery.com>
3896 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3898 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3900 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3901 Standardize on "GNU Fortran" as the official name of the Fortran
3904 2006-10-16 Mike Stump <mrs@apple.com>
3906 * doc/invoke.texi (Darwin Options): Document -mkernel.
3907 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3909 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3910 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3911 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3912 (OS_MISSING_ALTIVEC): Add.
3913 * config/i386/i386.c (override_options): Add
3914 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3915 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3916 -mkernel, -static or -mdynamic-no-pic is given.
3917 (C_COMMON_OVERRIDE_OPTIONS): Add.
3918 * config/darwin.opt (fapple-kext): Add.
3920 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3921 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3923 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3924 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3925 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3926 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3927 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3928 (flag_mkernel): Add.
3929 (flag_apple_kext): Add.
3930 (TARGET_KEXTABI): Add.
3931 * config/darwin.c (darwin_handle_kext_attribute): Add.
3932 (DARWIN_VTABLE_P): Add.
3933 (darwin_binds_local_p): Add partial support for rebinding vtables
3935 (darwin_kextabi_p): Add.
3936 (darwin_override_options): Add.
3937 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3938 (darwin_kextabi_p): Add.
3939 (darwin_override_options): Add.
3940 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3941 __DYNAMIC__ and __STATIC__ here.
3943 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3945 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3946 Added mention of "make pdf" target, and Texinfo requirements for
3949 2006-10-16 DJ Delorie <dj@redhat.com>
3951 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3952 into the GOT in case we need a subreg of the address.
3954 2006-10-16 Richard Guenther <rguenther@suse.de>
3957 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3958 SSE builtin documentation. Document SSE2 builtins.
3960 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3962 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3963 symbol in the output file for non-shared links when -nostdlib or
3964 -nodefaultlibs isn't specified.
3966 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3967 posix thread support.
3969 2006-10-15 Jan Hubicka <jh@suse.cz>
3972 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3973 declared always_inline even when not inlining.
3975 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3976 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3977 Andrew Pinski <pinskia@gmail.com>
3980 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3982 2006-10-15 Jan Hubicka <jh@suse.cz>
3983 Richard Guenther <rguenther@suse.de>
3986 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3987 process_function_and_variable_attributes on all variables, including
3988 those discovered during cgraph construction phase.
3990 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3992 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3994 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3996 * config/i386/athlon.md (athlon_fist): Add fisttp.
3998 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3999 Ian Lance Taylor <ian@airs.com>
4002 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4003 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4006 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4008 * config/score/score.c, config/score/score.h: Fix comment
4011 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4014 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4017 2006-10-13 Eric Christopher <echristo@apple.com>
4019 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4021 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4024 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4025 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4026 alignment supported by 32-bit ELF.
4028 2006-10-13 Eric Christopher <echristo@apple.com>
4030 * config/darwin.c (darwin_emit_unwind_label): Strip
4031 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4033 2006-10-13 Richard Guenther <rguenther@suse.de>
4035 PR tree-optimization/29446
4036 * tree-vrp.c (fix_equivalence_set): Remove.
4037 (extract_range_from_assert): Do not call fix_equivalence_set.
4038 (debug_value_range): Print a newline.
4039 (compare_name_with_value): For equivalence sets with
4040 inconsistent value ranges conservatively bail out.
4041 (compare_names): Likewise.
4043 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4045 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4046 and MPFR for gfortran.
4048 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 Paolo Bonzini <bonzini@gnu.org>
4057 * c-typeck.c (digest_init): Always allow initializing vectors
4058 that have static storage duration with compound literals.
4059 * tree.c (build_type_attribute_qual_variant): New, based on
4060 build_type_attribute_variant.
4061 (build_type_attribute_variant): Rewrite using the former.
4062 (make_vector_type): Use build_type_attribute_qual_variant to build
4063 type variants. Use type_hash_canon on the others.
4065 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4066 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4068 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4070 2006-10-12 Jan Hubicka <jh@suse.cz>
4073 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4074 current_function_decl is set but current_function_scope is not.
4076 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4078 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4079 emit_insn to emit eh_return_internal instruction.
4080 (eh_return_internal): Explicitly set pc.
4082 2006-10-11 Richard Guenther <rguenther@suse.de>
4084 PR tree-optimization/28230
4085 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4086 to the correct place.
4088 2006-10-11 Richard Guenther <rguenther@suse.de>
4091 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4094 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4096 * configure.ac: Added pdf to "Make-hooks"
4097 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4098 targets and *.pdf file patterns in cleanup targets.
4099 * configure: Regenerated.
4101 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4103 * config/avr/predicates.md: New file.
4104 * config/avr/avr.md: Include it.
4105 (REG_SP): New constant.
4106 (peepholes): Use predicates.
4107 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4108 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4109 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4111 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4113 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4116 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4119 * builtins.c (var_decl_component_p): New function.
4120 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4121 single entry optimization to variables and components thereof.
4123 2006-10-10 Richard Guenther <rguenther@suse.de>
4125 PR rtl-optimization/29323
4126 * except.c (set_nothrow_function_flags): For functions
4127 that do not bind local bail out early.
4129 2006-10-10 Ben Elliston <bje@au.ibm.com>
4131 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4134 2006-10-09 Richard Henderson <rth@redhat.com>
4136 Revert emutls patch.
4138 2006-10-09 Richard Guenther <rguenther@suse.de>
4141 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4144 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4147 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4148 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4149 * configure: Regenerate.
4150 * config.in: Regenerate.
4152 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4154 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4156 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4158 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4159 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4160 Remove stray newline.
4162 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4164 * config/mips/mips.c (mips_classify_symbol): Do not return
4165 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4166 (mips_in_small_data_p): Tweak comments.
4168 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4170 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4172 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4174 * gimplify.c, sched-int.h: Fix comment typos.
4176 * sched-int.h: Fix comment typos.
4178 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4180 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4182 * sched-ebb.c (begin_schedule_ready): Use them.
4183 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4184 add_to_speculative_block, create_check_block_twin, speculate_insn,
4185 fix_jump_move, move_block_after_check): Ditto.
4186 * sched-rgn.c (new_ready): Ditto.
4188 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4190 PR rtl-optimization/29128
4191 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4192 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4193 allow interblock movement of speculation checks.
4195 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4198 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4199 casted to integer type.
4200 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4201 if they are significantly more expensive than [reg + index] ones.
4203 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4205 PR tree-optimization/29330
4206 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4207 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4208 on newly allocated ddrs.
4209 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4210 to VEC (loop_p, heap) pointer.
4211 (compute_data_dependences_for_loop): Adjust caller.
4212 (free_dependence_relations): Free DDR_LOOP_NEST.
4214 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4215 free DEPENDENCE_RELATIONS and DATAREFS.
4218 * builtins.c (expand_builtin_sync_operation,
4219 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4220 Use convert_to_mode to handle promoted arguments.
4222 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4224 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4226 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4228 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4230 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4232 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4233 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4234 Use <modeconstraint> instead of "r" as operand 1 constraint.
4236 2006-10-06 Olivier Hainque <hainque@adacore.com>
4238 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4239 Don't recurse on the pointed-to type.
4240 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4241 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4242 types with components of variable size.
4244 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4246 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4248 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4250 PR tree-optimization/29290
4251 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4255 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4256 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4259 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4260 the number of vector elements fill the rest with zeros.
4262 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4264 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4265 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4268 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4270 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4271 unnamed pattern into subsi3. Use correct constraints/predicates.
4272 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4273 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4275 2006-10-05 Ira Rosen <irar@il.ibm.com>
4277 * doc/loop.texi: Add data references analysis description.
4279 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4281 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4283 2006-10-04 Richard Henderson <rth@redhat.com>
4284 Jakub Jelinek <jakub@redhat.com>
4286 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4287 * builtin-types.def (BT_WORD): Make unsigned.
4288 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4289 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4290 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4291 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4292 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4293 * cgraph.c (decide_is_variable_needed): Look at force_output.
4294 Recurse for emulated tls.
4295 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4296 checks redundant with decide_is_variable_needed.
4297 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4298 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4300 * expr.c (emutls_var_address): New.
4301 (expand_expr_real_1): Expand emulated tls.
4302 (expand_expr_addr_expr_1): Likewise.
4303 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4304 * output.h (emutls_finish): Declare.
4305 * toplev.c (compile_file): Call it.
4306 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4307 address before wrapping in CONST.
4308 * varasm.c (emutls_htab, emutls_object_type): New.
4309 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4310 (get_emutls_object_name, get_emutls_object_type): New.
4311 (get_emutls_init_templ_addr, emutls_decl): New.
4312 (emutls_common_1, emutls_finish): New.
4313 (assemble_variable): When emulating tls, swap decls; generate
4314 constructor for the emutls objects.
4315 (do_assemble_alias): When emulating tls, swap decl and target name.
4316 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4318 * emutls.c: New file.
4319 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4320 tls_object for real tls.
4322 2006-10-04 Zack Weinberg <zackw@panix.com>
4324 Fix bug in constraint-check generator, reported by Rask Ingemann
4326 * genpreds.c (add_constraint): Don't remove anything from the
4328 (write_tm_constrs_h): Detect whether "op" argument is used, and
4329 mark it ARG_UNUSED if it isn't.
4330 (write_insn_const_int_ok_for_constraint): Skip the part of the
4331 expression that would test whether "op" (which is not available
4332 here) is a CONST_INT.
4334 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4337 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4339 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4341 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4342 current Leopard versions.
4343 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4345 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4347 * doc/install.texi: Fix typos.
4349 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4351 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4352 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4353 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4355 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4357 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4358 arg to be struct mach_header_64* instead.
4360 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4363 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4364 side effects after the outer expression's post side effects.
4366 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4368 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4369 comments to reflect actual behavior and relationship between
4370 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4372 * doc/c-tree.texi (Working with declarations): Fix documentation
4373 of FIELD_DECL likewise.
4375 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4378 * doc/extend.texi: Add used variable attribute description.
4380 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4383 * c.opt (Woverride-init): New.
4384 * c-opts.c (c_common_post_options): Default warn_override_init to
4386 * c-typeck.c (add_pending_init, output_init_element): Warn for
4387 overriding initializers without side effects.
4388 * doc/invoke.texi (-Woverride-init): Document.
4391 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4393 PR rtl-optimization/28096
4394 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4395 assignment has already been used as a destination earlier in the block.
4397 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4399 * builtins.c (expand_builtin_setjmp): Delete.
4400 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4401 <BUILT_IN_SETJMP_SETUP>: New case.
4402 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4403 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4404 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4405 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4406 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4407 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4408 (lower_function_body): Initialize it to false. If it is set to true
4409 at the end of the processing, emit the setjmp dispatcher.
4410 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4411 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4412 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4413 on the rhs of the assignment.
4414 (lower_builtin_setjmp): New function.
4415 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4416 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4417 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4418 to detect calls that can go to non-local labels. Use specific
4419 helper to create the abnormal edges associated with them.
4420 <MODIFY_EXPR>: Likewise.
4421 (make_abnormal_goto_edges): New function extracted from...
4422 (make_goto_expr_edges): ...here. Call it for computed gotos.
4423 (simple_goto_p): Minor tweak.
4424 (tree_can_make_abnormal_goto): New predicate.
4425 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4426 (tree_purge_dead_abnormal_call_edges): New function.
4427 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4428 (tree_purge_dead_abnormal_call_edges): Likewise.
4429 (make_abnormal_goto_edges): Likewise.
4430 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4431 Purge all dead abnormal edges if the call was in the last statement.
4432 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4433 (execute_fixup_cfg): If there are non-local labels in the function,
4434 scan the basic blocks and split them at calls that can go to non-local
4435 labels or add missing abnormal call edges. Write down the CFG in the
4437 (pass_fixup_cfg): Remove TODO_dump_func flag.
4438 * unwind-sjlj.c: Poison setjmp.
4439 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4440 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4441 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4442 (DONT_USE_BUILTIN_SETJMP): Document it.
4444 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4447 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4448 to 1 when __ppc64__ is defined.
4449 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4451 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4453 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4455 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4456 * config/ia64/unwind-hpux.c: Delete.
4458 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4460 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4461 on the element before gimplifying it, instead of punting if it is of
4464 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4466 * doc/loop.texi: New file.
4467 * doc/gccint.texi: Reference loop.texi.
4468 * Makefile.in (loop.texi): Add.
4470 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4472 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4474 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4475 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4477 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4479 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4481 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4483 * doc/install.texi: Document required versions of GMP and MPFR.
4485 2006-09-27 Paul Brook <paul@codesourcery.com>
4488 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4490 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4492 * reload1.c (alter_reg): Require the alignment of the stack slot to
4493 be at least reg_max_ref_width bytes.
4494 (scan_paradoxical_subregs): Record the largest width in
4497 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4501 * tree-nested.c (struct nesting_info): Added static_chain_added.
4502 (convert_call_expr): Set static_chain_added when adding static
4503 chain. Handle OMP_PARALLEL and OMP_SECTION.
4505 2006-09-25 Matthias Klose <doko@debian.org>
4507 * doc/invoke.texi: Add missing full stop.
4509 2006-09-25 Richard Henderson <rth@redhat.com>
4511 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4512 before cgraph_function_flags_ready.
4514 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4515 Adam Nemet <anemet@caviumnetworks.com>
4517 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4518 determine_common_wider_type): New functions.
4519 (get_computation_aff): Use them to simplify arithmetic between
4520 UBASE and CBASE if they are shortened from the same type.
4522 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4525 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4526 -2147483647 - 1 instead of 0x80000000.
4528 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4530 * flags.h (HONOR_NANS): Fix typo in comment.
4532 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4534 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4536 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4540 * tree.c (merge_attributes, attribute_list_contained): If both
4541 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4543 * c-typeck.c (comptypes_internal): Don't consider aggregates
4544 in different TUs as compatible if there one set of attributes is
4545 not a subset of the other type's attributes.
4546 (composite_type): Try harder not to create a new aggregate type.
4548 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4550 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4551 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4552 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4553 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4554 than replicating condition above.
4555 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4557 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4558 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4559 the linker by default.
4561 2006-09-22 Mike Stump <mrs@apple.com>
4563 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4566 2006-09-22 Richard Guenther <rguenther@suse.de>
4569 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4570 sort of stack variables stable.
4572 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4575 * explow.c (force_reg): Set REG_POINTER flag according to
4578 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4580 PR tree-optimization/28888
4581 * tree-if-conv.c (combine_blocks): Rewritten.
4582 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4583 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4585 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4587 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4590 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4592 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4594 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4596 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4598 2006-09-21 Roger Sayle <roger@eyesopen.com>
4601 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4602 dw_fde_current_label, to be the start of the function, i.e. the same
4603 value as dw_fde_begin.
4605 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4607 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4608 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4609 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4610 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4611 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4612 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4613 (abs<mode>2, neg<mode>2): Likewise.
4614 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4615 (*mips_abs_ps): New define_insn.
4617 2006-09-20 Josh Conner <jconner@apple.com>
4620 * calls.c (expand_call): Allow reuse of structure return stack
4623 2006-09-20 Paul Brook <paul@codesourcery.com>
4625 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4628 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4630 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4631 clean up terminology.
4633 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4636 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4637 with tablejumps in them.
4639 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4642 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4643 wrap it into TARGET_EXPR.
4645 2006-09-20 Eric Christopher <echristo@apple.com>
4647 * config/i386/i386.c (x86_fisttp): Remove.
4648 * config/i386/i386.h (x86_fisttp): Ditto.
4649 (TARGET_FISTTP): Ditto.
4651 2006-09-19 Eric Christopher <echristo@apple.com>
4653 * doc/tm.texi (OBJC_JBLEN): Describe.
4654 * config/i386/darwin.h (OBJC_JBLEN): Define.
4655 * config/rs6000/darwin.h: Ditto.
4657 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4659 PR rtl-optimization/21299
4660 * reload1.c (reload): Purge invalid ASMs in the final pass.
4662 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4665 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4666 pointers as legitimate constants.
4668 2006-09-19 Paul Brook <paul@codesourcery.com>
4671 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4673 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4675 PR tree-optimization/28887
4676 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4677 component parts from the reference.
4678 (gather_memory_references_ref): Record the reference without the
4679 nonaddressable component parts.
4681 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4684 * c-opts.c (c_common_handle_option): Ignore the -std options
4685 if the input language is assembly.
4687 2006-09-17 Ira Rosen <irar@il.ibm.com>
4690 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4692 (ptr_ptr_may_alias_p): Likewise.
4693 (record_record_differ_p): New function.
4694 (base_object_differ_p): Call record_record_differ_p.
4696 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4699 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4700 away for the expr argument.
4702 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4705 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4706 before using it for dumping after vectorizing loops.
4708 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4709 Jack Howarth <howarth@bromo.med.uc.edu>
4712 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4713 skip on error_mark_node.
4714 (rs6000_darwin64_record_arg_recurse): Likewise.
4716 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4718 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4719 * doc/rtl.texi: Remove related documentation.
4721 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4723 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4726 2006-09-15 Jim Wilson <wilson@specifix.com>
4728 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4729 Handle symbol offsets same as they are handled in ia64_expand_move
4732 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4734 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4735 Add forgotten parameter to the fprintf call.
4737 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4739 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4741 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4743 * doc/contrib.texi: Add my entry.
4745 2006-09-15 Nick Clifton <nickc@redhat.com>
4747 * doc/md.texi (Processor pipeline description): Fix typo in
4748 example of how to use the absence_set directive and reword the
4749 description to make it slightly easier to read.
4751 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4753 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4754 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4755 expanding the number of iterations.
4756 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4758 * cfgrtl.c (emit_insn_at_entry): New function.
4759 * rtl.h (emit_insn_at_entry): Declare it.
4760 * integrate.c (emit_initial_value_sets): Use it.
4762 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4764 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4766 (struct loop_work and related VEC declarations): Delete.
4767 (bfin_dump_loops): Print out new member bad.
4768 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4769 (bfin_scan_loop): Don't recurse.
4770 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4771 loops. No longer need to update outer loops if the current one is
4772 found bad. Move some validitiy checks to bfin_discover_loop.
4773 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4774 but changed not to check for nesting. Also changed to use the new bad
4776 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4777 time. Use bitmap based test to discover loop nesting.
4779 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4781 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4784 2006-09-14 Richard Guenther <rguenther@suse.de>
4785 Kazu Hirata <kazu@codesourcery.com>
4787 PR middle-end/28884.
4788 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4789 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4790 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4791 with TARGET_FUNCTION_VALUE.
4793 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4796 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4798 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4800 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4803 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4806 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4809 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4811 * basic_block.h (bb_has_eh_pred): Fix comment.
4813 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4815 * flow.c (calculate_global_regs_live): Invalidate eh registers
4816 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4817 (propagate_block): Handle eh registers as if they were set at basic
4819 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4821 * global.c (global_conflicts): Make eh registers to conflict with
4822 pseudos live at basic block begin.
4823 * basic_block.h (bb_has_eh_pred): New function.
4825 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4827 PR rtl-optimization/28982
4828 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4829 index of a PRE_MODIFY or POST_MODIFY address.
4830 * reload1.c (inc_for_reload): Use find_replacement on the original
4831 base and index registers.
4833 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4835 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4836 for -Os. Update __m128 alignment requirement.
4838 2006-09-13 Jan Hubicka <jh@suse.cz>
4840 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4842 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4844 PR rtl-optimization/28243
4845 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4846 the insn to which the note was originally attached.
4848 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4849 Roger Sayle <roger@eyesopen.com>
4851 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4852 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4853 on platforms that don't use dwarf for debug info.
4855 2006-09-12 Jason Merrill <jason@redhat.com>
4858 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4859 hard_frame_pointer_rtx after using it to update the frame pointer.
4861 2006-09-12 Roger Sayle <roger@eyesopen.com>
4863 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4864 (TARGET_ASM_CLOSE_PAREN): Likewise.
4865 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4866 (TARGET_ASM_CLOSE_PAREN): Likewise.
4868 2006-09-12 Roger Sayle <roger@eyesopen.com>
4871 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4872 frame information for frames larger than 512 Kbytes on Tru64 when
4873 using the native assembler.
4875 2006-09-12 Roger Sayle <roger@eyesopen.com>
4879 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4880 and symbols. Instead use the implementation from cse.c's hash_rtx.
4882 2006-09-12 Jan Hubicka <jh@suse.cz>
4884 PR rtl-optimization/28071
4885 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4886 (vect_transform_loop): Likewise.
4887 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4888 (new_loop_vec_info): Likewise.
4889 (destroy_loop_vec_info): Likewise.
4890 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4891 (create_stmt_ann): Likewise.
4892 (create_tree_ann): Rename to ...
4893 (create_tree_common_ann): ... this one; allocate only the common part
4895 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4896 (get_value_handle): Likewise.
4897 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4898 get_tree_common_ann.
4899 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4900 (vinfo_for_stmt): Use stmt annotations.
4901 * tree-flow.h (tree_ann_common_t): New type.
4902 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4903 (tree_ann, get_tree_ann, create_tree_ann): New.
4904 * tree-flow-inline.h (get_function_ann): Do more type checking.
4905 (stmt_ann): Likewise.
4906 (tree_ann): Rename to ...
4907 (tree_common_ann): ... this one; return ony common_ann
4908 (get_tree_ann): Rename to ...
4909 (tree_common_ann): This one; return only common_ann.
4910 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4913 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4915 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4916 with_cpu by default.
4918 * dwarf2out.c (dwarf_file_data): New.
4919 (enum dw_val_class): Add dw_val_class_file.
4920 (struct dw_val_struct): Add val_file.
4921 (file_table): Change to a hash table.
4922 (file_table_emitted): Delete.
4923 (file_table_last_lookup_index): Delete.
4924 (emitcount): Delete.
4925 (last_emitted_file): New.
4926 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4927 (init_file_table): Delete.
4928 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4929 (AT_addr): Add comment.
4933 (print_die): Handle dw_val_class_file.
4934 (print_dwarf_line_table): Update for new file table structure.
4935 (attr_checksum): Do checksum a filename.
4936 (same_dw_val_p, same_attr_p): Do compare a filename.
4937 (size_of_die): Handle dw_val_class_file.
4938 (value_format): Likewise.
4939 (output_die): Likewise. Also, call maybe_emit_file here.
4940 (struct file_info): Constify filenames. Make file_idx a pointer
4941 to a struct dwarf_file_data.
4942 (struct dir_info): Constify directory names. Remove 'used' field.
4943 (struct file_name_acquire_data): New.
4944 (file_name_acquire): New.
4945 (output_file_names): Modify to handle new file data structures.
4946 (add_src_coords_attributes): Use add_AT_file.
4947 (add_call_src_coords_attributes): Likewise.
4948 (dwarf2out_imported_module_or_decl): Likewise.
4949 (gen_subprogram_die): Modify for new file data structures.
4950 (gen_variable_die): Likewise.
4951 (file_table_eq): New.
4952 (file_table_hash): New.
4953 (file_table_last_lookup): New.
4954 (lookup_filename): Rewrite to handle new file data structures.
4955 (maybe_emit_file): Rewrite to handle new file data structures.
4956 (dwarf2out_source_line): Always call lookup_filename and
4958 (dwarf2out_init): Create file_table here.
4959 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4960 (file_table_relative_p): New.
4961 (dwarf2out_finish): Change detection of relative filenames
4962 to work with new file data structures. Move output_line_info call
4963 after debug_info output.
4965 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4970 * config/i386/i386.c (override_options): Always default to 16
4971 byte stack boundary.
4973 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4976 * var-tracking.c (dump_dataflow_set): Start dumping at
4978 (clobber_variable_part): Kill only the variable part in
4979 registers holding it, leaving other variables alone.
4981 2006-09-11 Josh Triplett <josh@freedesktop.org>
4983 * doc/extend.texi (Other Builtins): Actually use the macro
4984 argument in the documentation example for
4985 __builtin_types_compatible_p.
4987 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4989 PR rtl-optimization/28726
4990 * sched-deps.c (sched_analyze_reg): New function extracted from...
4991 (sched_analyze_1): ...here. Call it to analyze references to
4992 registers. Treat again writes to a stack register as writing to the
4994 (sched_analyze_2): ...and here. Call it to analyze references to
4995 registers. Treat again reads of a stack register as reading the
4998 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4999 David Edelsohn <edelsohn@gnu.org>
5002 * config/rs6000/spe.md (frob_df_di): Remove %H.
5003 (frob_di_df): Remove %H. Change evmergelo to mr.
5004 (frob_di_df_2): Remove %H. Change evldd to two loads.
5006 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5008 * doc/cpp.texi: Fix names of charset options.
5010 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5013 * config/i386/i386.c (override_options): Use 128-bit
5014 stack boundary always for 64bits.
5016 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5018 PR rtl-optimization/28636
5019 * combine.c (force_to_mode): Test for side-effects before
5020 substituting by zero.
5021 (simplify_shift_const): Likewise for zero or other constants.
5023 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5026 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5029 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5032 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5033 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5034 returned by mode_for_size, rather than the mode of src itself,
5035 to choose between 32-bit and 64-bit patterns.
5036 (mips_mem_fits_mode_p): New function.
5037 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5038 that the size of the source matches the size of the destination.
5039 (mov_<store>l, mov_<store>r): Likewise.
5041 2006-09-10 Eric Christopher <echristo@apple.com>
5043 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5046 2006-09-09 Eric Christopher <echristo@apple.com>
5049 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5052 2006-09-09 Roger Sayle <roger@eyesopen.com>
5053 Nicolas Setton <setton@adacore.com>
5055 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5057 2006-09-10 Andreas Schwab <schwab@suse.de>
5059 * config/m68k/m68k.md (bungt_rev): New pattern.
5061 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5062 Dale Johannesen <dalej@apple.com>
5065 * regclass.c (struct reg_pref): Update documentation.
5066 (regclass): Set prefclass to NO_REGS if memory is the best option.
5067 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5069 2006-09-08 Eric Christopher <echristo@apple.com>
5071 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5072 * config/t-slibgcc-darwin: Support x86_64 multilib.
5073 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5074 Return 1 for x86_64-darwin.
5075 * config/i386/t-darwin: Add m64 multilib.
5076 (LIB2_SIDITI_CONV_FUNCS): Use.
5077 (LIB2FUNCS_EXTRA): Ditto.
5078 * config/i386/darwin.h: Support x86_64.
5079 * config/i386/i386.c (override_options): Turn on flag_pic
5080 for x86_64-darwin. Disable flag_omit_pointer.
5081 (get_pc_thunk_name): Assert !TARGET_64BIT.
5082 (legitimate_address_p): Disable machopic addressing for
5084 (legitimize_pic_address): Ditto.
5085 (ix86_expand_move): Ditto.
5086 (ix86_expand_call): Ditto.
5087 (machopic_output_stub): Ditto.
5088 * config/darwin.c (machopic_select_section): Support literal16.
5089 (machopic_select_rtx_section): Ditto.
5090 * config/darwin-sections.def: Ditto.
5091 * config/darwin-64.c: New.
5093 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5096 * c-tree.h (struct c_arg_info): Add pending_sizes.
5097 * c-parser.c (c_parser_parms_declarator,
5098 c_parser_parms_list_declarator): Initialize pending_sizes.
5099 * c-decl.c (get_parm_info): Initialize pending_sizes.
5100 (get_parm_info): Set pending_sizes.
5101 (grokdeclarator): Call put_pending_sizes for parameters for
5102 function definition only.
5104 2006-09-07 Jason Merrill <jason@redhat.com>
5107 * varasm.c (output_constant): Only strip actual no-op conversions.
5110 * config/i386/i386.c (override_options): Use 128-bit
5111 stack boundary if -msse.
5113 2006-09-07 Eric Christopher <echristo@apple.com>
5115 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5117 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5120 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5122 * dwarf2out.c: Remove strange characters from comment above
5123 dwarf2out_frame_debug_expr.
5125 2006-09-07 Eric Christopher <echristo@apple.com>
5127 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5128 * config/darwin.h: ... to here.
5130 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5132 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5134 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5135 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5137 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5138 TARGET_PARTIAL_FLAG_REG_STALL.
5139 (*ashldi3_cconly_rex64): Likewise.
5140 (*ashlsi3_cmp): Likewise.
5141 (*ashlsi3_cconly): Likewise.
5142 (*ashlsi3_cmp_zext): Likewise.
5143 (*ashlhi3_cmp): Likewise.
5144 (*ashlhi3_cconly): Likewise.
5145 (*ashlqi3_cmp): Likewise.
5146 (*ashlqi3_cconly): Likewise.
5147 (*ashrdi3_cmp_rex64): Likewise.
5148 (*ashrdi3_cconly_rex64): Likewise.
5149 (*ashrsi3_cmp): Likewise.
5150 (*ashrsi3_cconly): Likewise.
5151 (*ashrsi3_cmp_zext): Likewise.
5152 (*ashrhi3_cmp): Likewise.
5153 (*ashrhi3_cconly): Likewise.
5154 (*ashrqi3_cmp): Likewise.
5155 (*ashrqi3_cconly): Likewise.
5156 (*lshrdi3_cmp_rex64): Likewise.
5157 (*lshrdi3_cconly_rex64): Likewise.
5158 (*lshrsi3_cmp): Likewise.
5159 (*lshrsi3_cconly): Likewise.
5160 (*lshrsi3_cmp_zext): Likewise.
5161 (*lshrhi3_cmp): Likewise.
5162 (*lshrhi3_cconly): Likewise.
5163 (*lshrqi2_cmp): Likewise.
5164 (*lshrqi2_cconly): Likewise.
5166 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5169 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5170 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5171 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5172 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5173 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5174 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5175 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5176 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5177 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5178 implement only CC setting effects of shift instructions.
5180 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5182 * doc/contrib.texi: Add myself.
5184 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5187 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5188 was set by the user.
5190 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5193 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5194 (divsi_inv_m1): Use them.
5195 (UNSPEC_DIV_INV_TABLE): New constant.
5197 2006-09-06 James E Wilson <wilson@specifix.com>
5200 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5201 then call count_or_remove_death_notes.
5203 2006-09-06 Jason Merrill <jason@redhat.com>
5206 * tree-inline.c (copy_result_decl_to_var): New fn.
5207 (declare_return_variable): Use it. Call declare_inline_vars here.
5208 (expand_call_inline): Not here.
5210 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5212 * doc/contrib.texi: Update my entry.
5214 2006-09-06 Nick Clifton <nickc@redhat.com>
5216 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5218 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5221 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5222 (canonicalize_induction_variables): Likewise.
5223 (tree_unroll_loops_completely): Likewise.
5224 (tree_ssa_prefetch_arrays): Likewise.
5225 (remove_empty_loops): Likewise.
5226 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5227 TODO_cleanup_cfg instead of directly calling
5228 cleanup_tree_cfg_loop.
5229 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5231 (tree_unroll_loops_completely): Likewise.
5232 (remove_empty_loops): Likewise.
5233 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5234 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5235 of tree_ssa_unswitch_loops.
5236 (tree_ssa_loop_ivcanon): Use the return value of
5237 canonicalize_induction_variables.
5238 (tree_ssa_empty_loop): Use the return value of
5240 (tree_complete_unroll): Use the return value of
5241 tree_unroll_loops_completely.
5242 (tree_ssa_loop_prefetch): Use the return value of
5243 tree_ssa_prefetch_arrays.
5244 * passes.c (execute_todo): Before Cleanup CFG, set
5245 updating_used_alone and after cleanup CFG, call
5246 recalculate_used_alone.
5248 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5251 * tree-vect-transform.c (vectorizable_condition): Move the check
5252 for the type after the check for simple condition.
5254 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5255 Kaz Kojima <kkojima@gcc.gnu.org>
5258 * mode-switching.c (optimize_mode_switching): Make the destination
5259 block of an abnormal edge have no anticipatable mode. Don't
5260 insert mode switching code at the end of the source block of
5263 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5265 PR rtl-optimization/26847
5266 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5267 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5268 (simplify_plus_minus): Count n_constants while filling ops. Replace
5269 qsort with insertion sort. Before going through the array to simplify
5270 pairs, sort it. Delay early exit until after the first sort, exiting
5271 only if no swaps occurred. Simplify pairs in reversed order, without
5272 special-casing the first iteration. Pack ops after simplifying pairs.
5274 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5276 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5277 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5278 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5279 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5281 2006-09-05 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/28900
5284 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5285 compound conditional before creating COND_EXPR condition.
5287 2006-09-05 Richard Guenther <rguenther@suse.de>
5289 PR tree-optimization/28905
5290 * tree-vrp.c (fix_equivalence_set): Manually implement
5291 !value_ranges_intersect_p to also handle symbolic ranges.
5293 2006-09-05 Richard Guenther <rguenther@suse.de>
5296 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5299 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5301 PR rtl-optimization/27616
5302 * cse.c (table_size): New static variable.
5303 (new_basic_block): Initialize it to 0.
5304 (remove_from_table): Decrement it.
5305 (insert): Increment it.
5306 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5307 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5308 fold_rtx_mem_1 if under the cap.
5309 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5310 the lookup of the equivalent expression and test for equality of the
5311 first operand of the equivalent expression before in turn looking up
5312 an equivalent constant for the second operand.
5314 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5317 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5318 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5319 pointer, instead of assuming it is possible to derive the
5320 correct args size from a call insn.
5322 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5325 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5326 (fold_builtin_mempcpy): Rename to...
5327 (fold_builtin_memory_op): ... this. Optimize one element copy
5329 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5331 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5332 (expand_builtin_memcpy, expand_builtin_mempcpy,
5333 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5334 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5335 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5336 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5338 2006-09-01 DJ Delorie <dj@redhat.com>
5340 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5341 (stzx_16): Likewise.
5342 ("stzx_24_<mode>"): Likewise.
5343 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5344 ("cmp<mode>_op"): New.
5345 (cmp<mode>): Change to expander; just save operands.
5347 (b<code>): Change to expander, emit compare here.
5348 (s<code>_op): Change to use split and expander.
5349 (s<code>_24_op): Likewise.
5350 (s<code>_<mode>): New.
5351 (s<code>_<mode>_24): New.
5352 (movqicc_<code>_<mode): New.
5353 (movhicc_<code>_<mode>): New.
5356 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5357 (m32c_pend_compare): New.
5358 (m32c_unpend_compare): New.
5359 (m32c_expand_scc): New.
5360 (m32c_expand_movcc): Emit the compare also.
5361 * config/m32c/predicates.md (mra_nopp_operand): New.
5363 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5364 Richard Guenther <rguenther@suse.de>
5365 Adam Nemet <anemet@caviumnetworks.com>
5368 * builtins.c (get_pointer_alignment): Handle more forms
5369 of base addresses that can be used to derive more precise
5370 information about alignment.
5372 2006-09-01 Jason Merrill <jason@redhat.com>
5375 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5378 * gimplify.c (voidify_wrapper_expr): Handle null type.
5380 2006-09-01 Josh Conner <jconner@apple.com>
5383 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5384 (execute_return_slot_opt): Use it.
5386 2006-08-31 Josh Conner <jconner@apple.com>
5389 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5390 returning aggregates.
5392 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5394 PR tree-optimization/28839
5395 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5396 blocks in that phi arguments appear.
5398 2006-08-31 Roger Sayle <roger@eyesopen.com>
5401 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5402 NULL, otherwise use an advance_loc4 to adjust relative to the
5404 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5405 (dwarf2out_switch_text_section): Reset the current label to avoid
5406 using advance_loc4 over section boundaries.
5408 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5411 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5412 r12 + SYMBOLIC_CONST.
5414 2006-08-30 Richard Guenther <rguenther@suse.de>
5416 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5418 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5420 PR rtl-optimization/27735
5421 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5422 Add new argument to keep track of whether an irreducible region
5423 was affected. All callers changed.
5424 (fix_irreducible_loops): Removed.
5425 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5426 flags were invalidated.
5428 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5430 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5431 instead of SF operands.
5432 (*fop_df_comm_sse): Likewise.
5433 (*fop_df_comm_i387): Likewise.
5434 (*fop_df_1_mixed): Likewise.
5435 (*fop_df_1_sse): Likewise.
5437 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5438 J"orn Rennecke <joern.rennecke@st.com>
5440 PR tree-optimization/17506
5441 * tree-ssa.c (warn_uninit): If warning about a location outside of
5442 the current function, note where the variable was declared.
5444 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5446 PR tree-optimization/28411
5447 * double-int.c (double_int_div): Use double_int_divmod.
5448 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5449 double_int_mod, double_int_smod, double_int_umod): New functions.
5450 * double-int.h (double_int_divmod, double_int_sdivmod,
5451 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5453 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5455 (get_computation_aff, get_computation_cost_at): Handle double_int
5456 return type of constant_multiple_of.
5458 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5461 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5462 an implicit conversion.
5464 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5466 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5468 2006-08-27 Roger Sayle <roger@eyesopen.com>
5470 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5473 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5475 * config/i386/crtfastmath.c: Fix a comment typo.
5477 2006-08-26 Roger Sayle <roger@eyesopen.com>
5479 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5480 temporary visit flags on CASE_LABEL_EXPRs.
5481 * c-common.c (match_case_to_enum): Add function comment. Avoid
5482 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5483 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5484 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5485 a constant, only warn if that constant value isn't handled.
5487 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5490 * input.h (restore_input_file_stack): Declare.
5491 (INPUT_FILE_STACK_BITS): Define.
5492 * toplev.c (fs_p, input_file_stack_history,
5493 input_file_stack_restored, restore_input_file_stack): New.
5494 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5495 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5496 (pop_srcloc): Don't free old state of stack.
5498 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5501 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5502 (PowerPC Type Attributes): New.
5504 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5506 * config/xtensa/xtensa.c (function_arg_boundary): New.
5507 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5509 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5510 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5512 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5515 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5518 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5520 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5521 (verify_local_live_at_start): Likewise.
5523 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5526 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5527 omp_add_variable): Treat sizes as variable whenever not
5530 2006-08-26 Richard Guenther <rguenther@suse.de>
5533 * fold-const.c (fold_binary): Fold temporary to correct
5534 type before constructing new comparison.
5536 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5539 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5540 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5542 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5545 * c-decl.c (start_function): Don't try to process prototype
5546 information from old declaration that isn't a function.
5548 2006-08-25 Jan Hubicka <jh@suse.cz>
5551 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5553 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5556 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5559 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5561 PR tree-optimization/16876
5562 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5563 exit if PARM doesn't match VALUE.
5565 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5567 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5568 literal_prefix directive.
5569 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5570 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5571 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5573 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5576 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5577 predicate to general_operand. Add 0->y and I->r alternatives.
5579 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5581 * doc/tm.texi: Fix a typo.
5582 * predict.c: Fix comment typos.
5584 2006-08-25 Nick Clifton <nickc@redhat.com>
5586 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5587 assertions of "cpu" and "machine".
5589 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5592 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5593 the access through a base which has an alias set of 0 cannot
5596 2006-08-24 Bill Wendling <wendling@apple.com>
5598 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5600 2006-08-24 Jan Hubicka <jh@suse.cz>
5602 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5604 2006-08-24 Jan Hubicka <jh@suse.cz>
5607 * cgraph.c: Fix comments.
5608 (cgraph_varpool_mark_needed_node): Mark only variables not already
5610 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5611 (cgraph_varpool_assembled_nodes_queue): New static variable.
5612 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5613 (cgraph_varpool_output_debug_info): New function.
5614 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5615 * Makefile.in: Add gt-cgraphunit.h
5617 2006-08-24 Jan Hubicka <jh@suse.cz>
5619 * predict.c (probability_reliable_p): New predicate.
5620 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5621 (predict_loops): Do not predict loop exit with less than 2%
5623 * basic-block.h (edge_probability_reliable_p,
5624 br_prob_note_reliable_p): Declare.
5625 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5626 prediction when static predictor is not reliable.
5627 * rs6000.c (output_cbranch): Likewise.
5629 2006-08-23 Stuart Hastings <stuart@apple.com>
5632 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5633 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5635 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5638 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5639 complex values, nor for generic vector values.
5641 2006-08-22 Richard Guenther <rguenther@suse.de>
5644 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5645 parameter. Convert arguments to arithmetic expression to the
5647 (analyze_scalar_evolution_1): Adjust caller.
5649 2006-08-22 Jan Hubicka <jh@suse.cz>
5651 Patch by Paolo Bonzini
5652 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5655 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5657 PR tree-optimization/28003
5658 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5659 before grouping aliases.
5661 2006-08-22 Roger Sayle <roger@eyesopen.com>
5663 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5664 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5666 2006-08-21 Jason Merrill <jason@redhat.com>
5669 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5670 wrapper. Loop to handle nested wrappers.
5671 (gimplify_bind_expr): Remove temp parameter.
5672 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5673 and STATEMENT_LIST on the rhs.
5674 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5675 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5676 (gimplify_target_expr): Remove special BIND_EXPR handling.
5678 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5680 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5683 2006-08-21 Olivier Hainque <hainque@adacore.com>
5685 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5686 Arrange for the temporary captures of components overlapping the lhs
5687 to happen before the lhs is possibly cleared.
5689 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5691 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5692 necessary places to pass the correct "number of registers" values
5695 2006-08-20 Jan Hubicka <jh@suse.cz>
5697 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5698 (create_name_tags): Instead of quadratic checking use hashtable.
5699 * bitmap.h: Include hashtab.h.
5700 (bitmap_hash): Declare.
5701 * bitmap.c (bitmap_hash): New function.
5703 2006-08-20 Jan Hubicka <jh@suse.cz>
5705 PR rtl-optimization/28071
5706 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5708 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5709 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5710 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5711 cgraph_decide_inlining_incrementally): Update use of
5712 cgraph_check_inline_limits.
5713 * cgraph.c (edge_hash, edge_eq): New function.
5714 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5715 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5716 cgraph_remove_node): Maintain call site hash.
5717 * cgraph.h (struct cgraph_node): Add call_site_hash.
5718 (cgraph_set_call_stmt): New function.
5720 2006-08-20 Jan Hubicka <jh@suse.cz>
5722 PR rtl-optimization/28071
5723 * reload1.c (reg_has_output_reload): Turn into regset.
5724 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5725 choose_reload_regs, emit_reload_insns): Update to new
5726 reg_has_output_reload.
5728 2006-08-20 Jan Hubicka <jh@suse.cz>
5731 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5732 function body sizes.
5733 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5735 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5738 * tree.c (handle_dll_attribute): Return early if not a
5739 var or function decl.
5741 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5744 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5745 alignment of SPE vector types.
5747 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5749 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5751 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5754 * cgraph.h (struct cgraph_node): Remove externally_visible
5756 * cgraphunit.c (process_function_and_variable_attributes): Set
5757 local.externally_visible rather than externally_visible.
5760 * c-common.c (handle_externally_visible_attribute): First look
5761 at TREE_CODE and only if it is function or var decl, check for
5762 non-public objects. Don't warn for DECL_EXTERNAL.
5763 * cgraphunit.c (process_function_and_variable_attributes): Warn
5764 if externally_visible attribute is used on non-public object.
5766 2006-08-17 Jan Hubicka <jh@suse.cz>
5768 PR tree-optimization/27865
5769 * reload1.c (forget_marked_reloads): New function.
5770 (forget_old_reloads_1): When data are passed, just mark the registers
5772 (reload_as_needed): Use the new mechanizm.
5774 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5777 * reload.h (reg_equiv_alt_mem_list): New declaration.
5778 * reload1.c (reg_equiv_alt_mem_list): New definition.
5779 (reload): Initialize it and release it.
5780 (delete_output_reload): Use it.
5781 * reload.c (push_reg_equiv_alt_mem): New function.
5782 (find_reloads_toplev): Call it.
5783 (find_reloads_address, find_reloads_address_1): Likewise.
5784 (find_reloads_subreg_address): Likewise.
5786 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5788 PR rtl-optimization/28489
5789 * sched-ebb.c (begin_schedule_ready): Create basic block
5791 (advance_target_bb): Skip empty blocks.
5792 * haifa-sched.c (bb_note): Make global.
5793 * sched-int.h (bb_note): Add prototype.
5795 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5797 PR tree-optimization/27865
5798 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5800 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5801 fold_used_pointer, pointer_used_p): New functions.
5802 (analyze_scalar_evolution_1): Use fold_used_pointer.
5803 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5804 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5807 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5810 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5811 or the INTEGER_CST. Fail on a CALL_EXPR.
5812 (fold_offsetof): Pass new argument to fold_offsetof_1.
5813 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5814 operand into an INDIRECT_REF.
5815 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5817 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5819 PR gcov/profile/26570
5820 * value-prof.c (static_values): Removed.
5821 (tree_find_values_to_profile): Do not set static_values.
5822 (find_values_to_profile): Do not free static_values.
5823 * profile.c (instrument_values): Do not free the values.
5824 (branch_prob): Free the values.
5826 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5828 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5830 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5833 * c-typeck.c (build_component_ref): Combine qualifiers of
5834 structure or union and field.
5836 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5838 PR rtl-optimization/28071
5839 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5840 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5841 * tree-into-ssa.c (struct dom_dfsnum): New.
5842 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5844 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5845 compute_global_livein.
5846 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5847 in phi nodes in the correct blocks.
5849 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5851 PR tree-optimization/28364
5852 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5854 (fold_affine_expr): New function.
5855 (may_eliminate_iv): Use fold_affine_expr.
5857 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5860 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5863 2006-08-16 Mike Stump <mrs@apple.com>
5865 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5866 * doc/cppopts.texi (-MD): Likewise.
5868 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5871 * c-common.c (handle_weak_attribute): Ignore and warn if
5872 not a FUNCTION_ or VAR_DECL.
5874 2006-07-15 Mike Stump <mrs@apple.com>
5877 * c-parser.c (c_parser_typeof_specifier): Don't use
5878 c_finish_expr_stmt, open code desired semantics instead.
5880 2006-08-15 Nick Clifton <nickc@redhat.com>
5882 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5883 fragment to tmake_file only if threads are enabled.
5884 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5885 * config/i386/t-gthr-win32: New file. ... here.
5887 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5890 * c-parser.c (c_parser_compound_statement_nostart): Reset
5891 parser->error after each statement.
5893 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5896 * omp-low.c (lower_omp_parallel): Convert t to
5897 receiver_decl's type.
5898 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5899 source before comparison.
5902 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5903 to itype in assignment to oldival2.
5905 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5909 * c-typeck.c (build_compound_expr): If the second expression
5910 is an error mark, then just return an error mark instead of
5911 creating a COMPOUND_EXPR.
5913 2006-07-14 Mike Stump <mrs@apple.com>
5915 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5917 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5919 * c-decl.c, var-tracking.c: Fix comment typos.
5921 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5923 PR rtl-optimization/28634
5924 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5925 for floating-point modes unless flag_unsafe_math_optimizations.
5927 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5928 Andrew Pinski <pinskia@physics.uc.edu>
5931 * tree.c (build_array_type): Unify array types with
5932 unspecified index_type.
5933 * c-decl.c (grokdeclarator): Make sure we do not modify a
5934 unified incomplete array type.
5935 * c-typeck.c (store_init_value): Create distinct type before
5936 filling in the index type in an initializer from a compound
5939 * c-decl.c (grokdeclarator): Remove code where we copy the
5942 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5944 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5945 into account for TODO_dump_cgraph.
5946 (TODO_update_ssa_no_phi): Likewise.
5947 (TODO_update_ssa_full_phi): Likewise.
5948 (TODO_update_ssa_only_virtuals): Likewise.
5949 (TODO_remove_unused_locals): Likewise.
5950 (TODO_set_props): Likewise.
5951 (TODO_update_stmt_usage): Likewise.
5953 2006-08-13 Dirk Mueller <dmueller@suse.de>
5955 * c-common.c (strict_aliasing_warning): Fix formatting.
5957 2006-08-13 Matthias Klose <doko@debian.org>
5959 * doc/invoke.texi: Fix spelling errors.
5961 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5963 PR rtl-optimization/23454
5964 * reorg.c (relax_delay_slots): Update comment.
5966 2006-08-11 Richard Guenther <rguenther@suse.de>
5969 * simplify-rtx.c (simplify_const_relational_operation):
5970 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5973 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5975 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5976 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5978 2006-08-10 Paul Brook <paul@codesourcery.com>
5980 * final.c (final_scan_insn): Clear current_insn_predicate before
5981 outputting inline asm.
5983 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5985 PR tree-optimization/26197
5986 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5987 get_ref_base_and_extent and overlap_subvar to add only relevant
5988 subvars as may-aliases.
5989 (add_may_alias_for_new_tag): New function, factored out of
5991 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5992 with additional argument.
5993 * tree-flow.h (new_type_alias): Takes additional argument.
5995 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5997 * gcov.c (no_data_file): New flag.
5998 (read_count_file): Set it if data file not present. Assume counts
6000 (output_lines): Don't name the data file, if there wasn't one.
6002 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6004 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6005 (rs6000_generate_compare): Tweak comments.
6006 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6008 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6010 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6011 (var_debug_decl): New function.
6012 (var_reg_set): Follow debug decl link. Add location even if
6013 reg is already known to hold some other variable.
6014 (var_mem_set): Follow debug decl link.
6015 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6016 decl link. Delete other known locations of the variable part
6018 (var_reg_delete, var_mem_delete): Delete other known locations
6019 of the variable part if requested.
6020 (same_variable_part_p): New function.
6021 (add_stores): Select MO_COPY when appropriate.
6022 (vt_initialize): Handle it.
6023 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6024 known locations for MO_SET and MO_CLOBBER.
6025 (find_variable_location_part): New function.
6026 (set_variable_part, delete_variable_part): Use it.
6027 (clobber_variable_part): New function.
6028 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6031 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6033 PR tree-optimization/26969
6034 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6035 with an empty list of PHIs.
6037 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6041 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6044 2006-08-06 Andreas Schwab <schwab@suse.de>
6046 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6047 string. Whitespace and comment fixup.
6049 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6052 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6056 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6059 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6061 2006-08-04 Jan Hubicka <jh@suse.cz>
6065 * reload.c (push_reload): Patch out the mismatching instruction;
6067 (find_reload): Bail out if the instruction was patched out.
6069 2006-08-04 Jan Hubicka <jh@suse.cz>
6071 PR tree-optimization/24888
6072 * tree-inline.c (expand_call_inline): Do not re-record variables.
6073 (declare_inline_vars): Add variable to unexpanded_var_list.
6075 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6076 Roger Sayle <roger@eyesopen.com>
6078 PR rtl-optimization/26244
6079 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6080 inner_const are negative or greater than or equal to the bitsize of
6081 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6082 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6083 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6084 CONST0_RTX (mode) when the new shift count is greater than or equal to
6085 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6088 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6090 * tree-cfg.c: Fix a comment typo.
6092 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6095 * varasm.c (output_constant): Give the front end another chance to
6096 expand constants, after stripping NOPs.
6098 2006-08-03 Jan Hubicka <jh@suse.cz>
6100 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6103 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6105 PR tree-optimization/27770
6106 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6107 declaration removed (moved to tree-flow.h).
6108 (vect_can_force_dr_alignment_p): Likewise.
6109 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6110 (moved from tree-vectorizer.h).
6111 (vect_can_force_dr_alignment_p): Likewise.
6112 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6113 from outside the vectorizer - in particular from cgraph stage.
6114 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6115 the alignment of global arrays when -fsection-anchors is enabled.
6116 * cgraphunit.c (cgraph_increase_alignment): New function.
6117 (cgraph_optimize): Call cgraph_increase_alignment.
6119 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6122 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6123 not reload a SPE symbol_ref into a lo_sum address.
6125 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6128 * dwarf2out.c (prune_unused_types_prune): Move call to
6129 prune_unused_types_update_strings to cover the parent DIE also.
6131 2006-08-02 Jan Hubicka <jh@suse.cz>
6133 PR gcov/profile/28480
6134 * tree-cfg.c (change_bb_for_stmt): New function.
6135 (tree_merge_blocks, tree_split_blocks): Use it.
6137 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6143 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6144 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6145 (cgraph_optimize): Likewise.
6147 2006-08-01 Stuart Hastings <stuart@apple.com>
6149 * rtl.h (UINTVAL) New.
6150 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6151 * testsuite/gcc.dg/20060801-1.c: New.
6153 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6156 * c-typeck.c (build_external_type): Mark used enum types.
6157 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6159 (gen_subprogram_die): Whitespace fix.
6161 2006-08-01 Jan Hubicka <jh@suse.cz>
6163 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6164 bitmap when not needed.
6165 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6168 2006-08-01 Dirk Mueller <dmueller@suse.de>
6170 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6172 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6174 * Makefile.in: Revert part of previous patch:
6175 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6178 2006-07-30 Eric Christopher <echristo@apple.com>
6181 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6182 (PowerPC Variable Attributes): New section.
6184 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6186 PR target/28126 (partial fix)
6187 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6189 2006-07-28 Jan Hubicka <jh@suse.cz>
6191 PR rtl-optimization/28071
6192 * cfgrtl.c (rtl_delete_block): Free regsets.
6193 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6195 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6197 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6198 and variables used in dependencies.
6200 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6202 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6203 %fs for -mcmodel=kernel.
6204 (stack_tls_protect_test_di): Likewise.
6206 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6208 * Makefile.in: Use mkinstalldirs.
6210 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6213 * opts-common.c (prune_options): Skip joined switches.
6215 2006-07-27 Jan Hubicka <jh@suse.cz>
6217 PR rtl-optimization/28071
6218 * cselib.c (cselib_process_insn): Don't remove useless values too
6219 often for very large hashtables.
6221 2006-07-27 Jan Hubicka <jh@suse.cz>
6223 PR rtl-optimization/28071
6224 * global.c (greg_obstack): New obstack.
6225 (allocate_bb_info): Use it.
6226 (free_bb_info): Likewise.
6227 (modify_reg_pav): Likewise.
6229 2006-07-27 Roger Sayle <roger@eyesopen.com>
6231 * builtins.c (fold_fixed_mathfn): When long and long long are the
6232 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6233 functions to their lceil*, lfloor*, lround* and lrint* forms.
6235 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6238 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6240 (rev_branch_insn): Likewise.
6242 2006-07-27 Jan Hubicka <jh@suse.cz>
6244 PR rtl-optimization/28071
6245 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6246 (reg_set_in_bb, max_reg_computed): New static variables.
6247 (regmove_optimize): Free the new array.
6248 (fixup_match_1): Update call of reg_is_remote_constant_p.
6250 2006-07-26 Jan Hubicka <jh@suse.cz>
6252 PR tree-optimization/27882
6253 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6255 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6257 (cgraph_analyze_compilation_unit): Likewise.
6258 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6259 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6260 (cgraph_early_inlinine): Make order garbage collected.
6261 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6263 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6265 * dbxout.c (output_types_sort): Add a comment.
6266 (output_used_types): Free the VEC.
6268 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6270 * function.c (reorder_fix_fragments): Delete.
6271 (reorder_blocks): Don't call it.
6272 (reorder_blocks_1): Put all subblocks under the origin block.
6274 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6276 PR rtl-optimization/27907
6277 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6280 2006-07-25 Roger Sayle <roger@eyesopen.com>
6283 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6284 bar(x) check that bar's result type can represent all the values of T.
6286 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6288 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6290 2006-07-25 Nick Clifton <nickc@redhat.com>
6292 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6293 size_lookup[] array.
6294 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6295 (ggc_pch_count_object): Likewise.
6296 (ggc_pch_alloc_object): Likewise.
6297 (ggc_pch_write_object): Likewise.
6298 (init_ggc): Do not attempt to initialize entries in the
6299 size_lookup[] array for objects whose size is greater than than
6300 the length of the array.
6302 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6304 * dbxout.c (output_used_types_helper): Push queued types
6306 (output_types_sort): New.
6307 (output_used_types): Collect used types on a VEC and sort them
6310 2006-07-24 Richard Guenther <rguenther@suse.de>
6313 * cgraph.c (cgraph_remove_node): Do not check if dumps
6315 * cgraphunit.c (cgraph_optimize): Likewise.
6317 2006-07-24 Jan Hubicka <jh@suse.cz>
6319 PR rtl-optimization/28071
6320 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6321 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6322 splitting before first stmt.
6324 2006-07-24 Jan Hubicka <jh@suse.cz>
6326 PR rtl-optimization/28071
6327 * ipa-inline.c (update_caller_keys): Remove edges that
6328 are no longer inline candidates.
6330 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6333 * dbxout.c (output_used_types_helper, output_used_types): New.
6334 (dbxout_symbol): Call output_used_types.
6336 2006-07-23 Jan Hubicka <jh@suse.cz>
6340 * cgraph.c (cgraph_varpool_nodes): Export.
6341 (decide_is_variable_needed): Ignored "used" attribute in
6342 unit-at-a-time mode.
6343 * cgraph.h (cgraph_varpool_nodes): Declare.
6344 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6345 unit-at-a-time mode.
6347 2006-07-23 Roger Sayle <roger@eyesopen.com>
6350 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6351 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6352 the __gthrw form of thr_keycreate.
6353 (__gthread_key_delete): Silence the unused argument warning.
6355 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6358 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6359 Cache the last found '\0' marker to avoid quadratic behavior.
6361 2006-07-23 Jan Hubicka <jh@suse.cz>
6363 * i386.md (subsi_3_zext): Fix output template.
6365 2006-07-21 Mike Stump <mrs@apple.com>
6367 * doc/invoke.texi (C++ Dialect Options): Note that
6368 -fvisibility-inlines-hidden doesn't affect explicitly
6369 instantiationed inline methods.
6371 2006-07-20 Roger Sayle <roger@eyesopen.com>
6373 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6374 if the target assembler is GNU binutils' gas.
6375 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6376 whether to pass GNU gas or native as command line options.
6378 2006-07-20 Jason Merrill <jason@redhat.com>
6380 * tree.c (remove_attribute): New fn.
6381 * tree.h: Declare it.
6383 2006-07-20 Paul Brook <paul@codesourcery.com>
6386 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6387 they are invalidated by this instruction.
6389 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6392 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6394 2006-07-20 Eric Christopher <echristo@apple.com>
6397 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6399 2006-07-19 Eric Christopher <echristo@apple.com>
6401 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6402 Rewrite dependencies for libgcc_s.1.dylib.
6404 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6406 * except.c (duplicate_eh_regions_1): Clear next_peer.
6408 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6410 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6411 -mlongcall does not guarantee all calls will be long.
6412 * doc/extend.texi (long_call/short_call): Document that longcall
6413 does not guarantee a long call will be used.
6414 (longcall/shortcall): Likewise.
6416 2006-07-18 Roger Sayle <roger@eyesopen.com>
6419 * expmed.c (expand_shift): Additionally check that the shift_cost
6420 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6421 before implementing a LSHIFT_EXPR as a sequence of additions.
6422 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6423 middle-end that DImode shifts need to be synthesized by expand.
6425 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6428 * tree-ssa-operands.c (access_can_touch_variable): Update
6430 Return true if ALIAS is .GLOBAL_VAR.
6432 2006-07-18 David Daney <ddaney@avtrex.com>
6434 * gcc.c (display_help): Fix typo in help text.
6436 2006-07-18 Olivier Hainque <hainque@adacore.com>
6438 * tree.h (categorize_ctor_elements): Adjust prototype and add
6439 descriptive comment, both in accordance with the interface change
6441 * varasm.c (constructor_static_from_elts_p): New function.
6442 Whether a constructor node is a valid static constant initializer
6443 if all its elements are.
6444 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6445 * output.h: Declare it.
6446 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6447 is a valid constant initializer instead of computing the number of
6448 non-constant elements. Use constructor_static_from_elts_p for this
6449 purpose. Replace the head comment with an indication that this is a
6450 helper for categorize_ctor_elements.
6451 (categorize_ctor_elements): Same interface change as for the _1
6452 helper. Former head comment from this helper moved here, adjusted to
6453 account for the interface changes.
6454 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6455 (all_zeros_p): Likewise.
6456 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6457 static versions of the constructor from the categorize_ctor_elements
6458 return value instead of the formerly computed number of non-constant
6461 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6463 * configure: Regenerate.
6464 * Makefile.in (build_libsubdir): New configure substitution
6465 (build_libobjdir): New variable.
6466 (BUILD_LIBIBERTY): Use it.
6468 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6471 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6473 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6476 * c-common.c (handle_weakref_attribute): Ignore attribute in
6477 the same conditions the alias attribute is ignored.
6479 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6481 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6482 (dbxout_begin_prologue): Increment scope_labelno.
6484 2006-07-17 Richard Henderson <rth@redhat.com>
6487 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6490 2006-07-17 Roger Sayle <roger@eyesopen.com>
6491 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6493 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6494 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6495 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6496 functions such as sbrk, write, etc.. Add function prototypes.
6497 Convert function declarations from K&R to ISO C. Cast pointers
6498 to "long" and "unsigned long" instead of "int" and "unsigned int".
6499 Convert tokens following #endif into comments.
6501 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6503 * invoke.texi: Remove mention of f77; Reformat table for
6504 inline parameter options correctly; mention that -malign-double
6505 is default on x86-64 targets.
6507 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6509 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6510 (convert_affine_scev, chrec_convert_aggressive): Use
6511 avoid_arithmetics_in_type_p. Do not check for the subtypes
6514 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6517 * optabs.c (expand_doubleword_shift): Wrap the call to
6518 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6520 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6523 * optabs.c (expand_binop): Pass next_methods rather than methods
6524 to expand_doubleword_shift.
6526 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6529 * tree.h (dump_addr): Declare.
6530 * print-tree.c (dump_addr): New function.
6531 (print_node_brief, print_node): Use it.
6532 * print-rtl.c (print_rtx): Likewise.
6533 * common.opt (-fdump-noaddr): New option.
6534 * doc/invoke.texi (-fdump-noaddr): Document.
6535 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6536 (ve_info_hash): Likewise.
6538 2006-07-13 Andrew Haley <aph@redhat.com>
6540 PR tree-optimization/19505
6541 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6542 edge leaving this block, make sure that the destination of this
6543 block has only one predecessor.
6545 2006-07-17 Richard Guenther <rguenther@suse.de>
6547 PR tree-optimization/28238
6548 * tree-inline.c (copy_bb): Check if we produced valid
6549 gimple copying and substituting a stmt. If not, gimplify
6552 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6554 * optabs.c (maybe_encapsulate_block): New function extracted from...
6555 (emit_libcall_block): ...here. Invoke it on the block of insns to
6556 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6557 (emit_no_conflict_block): Likewise.
6559 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6561 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6563 2006-07-15 Roger Sayle <roger@eyesopen.com>
6565 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6566 a new NOP_EXPR case of the switch statement.
6568 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6571 * stor-layout.c (place_field): Take the bit field with
6572 an excessive size into account in the ms-bitfiled case.
6575 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6576 the previous bit field.
6578 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6581 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6583 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6585 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6586 signal frames correctly even when the signal was installed with
6589 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6591 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6592 (dbxout_function_end): Use local label LFBB. Remove hook
6594 (dbxout_source_line): Use local label LFBB.
6595 (dbxout_block): Likewise.
6596 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6597 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6598 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6599 and DBX_OUTPUT_NFUN.
6601 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6603 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6605 2006-07-13 Jan Hubicka <jh@suse.cz>
6607 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6609 * output.h (align_variable): Declare.
6610 * varasm.c (align_variable): Export.
6611 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6612 when basic block changed.
6614 2006-07-13 Nick Clifton <nickc@redhat.com>
6616 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6617 walking the LOG_LINKS chain.
6619 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6621 * doc/invoke.texi (C++ Dialect Options): Explain difference
6622 between -fvisibility-inlines-hidden and setting hidden
6623 visibility explicitly.
6625 2006-07-12 Eric Christopher <echristo@apple.com>
6627 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6628 (stmp-lipo): Depend on libgcc.a.
6630 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6632 * tree.c: Fix a comment typo.
6634 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6636 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6638 (umulhisi3_r): Likewise.
6640 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6643 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6644 x < 19, vs wchar_t support.
6646 2006-07-12 Nick Clifton <nickc@redhat.com>
6648 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6649 instead of -isa=sh4.
6651 2006-07-12 Mike Stump <mrs@apple.com>
6653 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6655 2006-07-10 Eric Christopher <echristo@apple.com>
6657 * config/t-slibgcc-darwin: Rewrite.
6659 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6662 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6665 2006-07-08 Matthias Klose <doko@debian.org>
6667 * doc/sourcebuild.texi: Fix typo.
6669 2006-07-07 Mike Stump <mrs@apple.com>
6671 * toplev.c (process_options): Don't give -ffunction-sections may
6672 affect debugging warning for Mach-O.
6674 2006-07-07 James E Wilson <wilson@specifix.com>
6676 * config/mips/mips.md (cpu): Add sb1a.
6677 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6678 addition to sb1. Adjust comments to clarify SB-1A differences from
6680 (ir_sb1a_load): New. Modify bypasses to use it.
6681 (ir_sb1a_simple_alu): Likewise.
6682 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6683 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6684 (mips_issue_rate): Add PROCESSOR_SB1A.
6685 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6686 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6687 (TARGET_SB1): Add PROCESSOR_SB1A check.
6688 (TUNE_SB1): Likewise.
6690 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6691 * config/mips/mips.c (mips_store_data_bypass_p): New.
6692 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6693 store_data_bypass_p.
6695 2006-07-08 Paul Brook <paul@codesourcery.com>
6698 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6700 2006-07-07 Richard Guenther <rguenther@suse.de>
6703 * tree.h (build_one_cst): Declare.
6704 * tree.c (build_one_cst): New function.
6705 * tree-ssa-math-opts.c (get_constant_one): Remove.
6706 (insert_reciprocals): Use build_one_cst.
6707 * fold-const.c (fold_plusminus_mult): Likewise.
6709 2006-07-07 Roger Sayle <roger@eyesopen.com>
6711 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6712 * cfgloopanal.c (dump_graph): Likewise.
6713 * dojump.c (discard_pending_stack_adjust): Likewise.
6714 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6716 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6717 * function.c (finalize_block_changes): Likewise.
6718 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6719 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6720 * rtl.c (dump_rtx_statistics): Likewise.
6721 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6723 * varray.c (dump_varray_statistics): Likewise.
6724 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6725 decode_decimal64, encode_decimal128, decode_decimal128,
6726 decimal_real_to_decimal): Likewise.
6728 2006-07-07 Richard Guenther <rguenther@suse.de>
6730 PR tree-optimization/28187
6731 * tree-vrp.c (vrp_operand_equal_p): New function.
6732 (vrp_bitmap_equal_p): Likewise.
6733 (update_value_range): Use them to compare old and new
6736 2006-07-06 Roger Sayle <roger@eyesopen.com>
6738 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6739 a default case to switch statement to silence compiler warnings.
6741 2006-07-06 Roger Sayle <roger@eyesopen.com>
6744 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6745 the configured assembler supports the x87's ffreep mnemonic.
6746 * configure: Regenerate.
6747 * config.in: Regenerate.
6749 * config/i386/i386.c (output_387_ffreep): New function.
6750 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6751 (output_387_reg_move): Likewise.
6753 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6755 Port to hosts whose 'sort' and 'tail' implementations
6756 treat operands with leading '+' as file names, as POSIX
6757 has required since 2001. However, make sure the code still
6758 works on pre-POSIX hosts.
6759 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6760 which says you should use "tail -c +N" rather than "tail +Nc".
6761 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6763 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6765 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6768 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6771 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6772 PRE_{INC,DEC} of TFmode.
6774 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6775 Alan Modra <amodra@bigpond.net.au>
6778 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6781 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6784 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6785 Remove duplicate gtu.
6787 2006-07-05 Jason Merrill <jason@redhat.com>
6791 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6792 * c-common.c (handle_packed_attribute): So don't copy it here.
6793 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6795 2006-07-05 Mike Stump <mrs@apple.com>
6797 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6799 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6802 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6804 2006-07-05 Richard Guenther <rguenther@suse.de>
6807 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6808 TARGET_SSE2 targets if using SSE math.
6809 (*absdf2_1): Likewise.
6811 2006-07-05 Richard Guenther <rguenther@suse.de>
6813 PR tree-optimization/28162
6814 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6815 make sure to convert the operands to the correct type.
6817 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6819 PR tree-optimization/28218
6821 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6822 to calculate and free the dominator information.
6824 2006-07-04 Peter O'Gorman <peter@pogma.com>
6826 * mklibgcc.in: chmod 644 before ranlib during install.
6828 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6829 J"orn Rennecke <joern.rennecke@st.com>
6831 * configure.ac (.eh_frame data check): Use diff -b.
6833 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6836 * Makefile.in (BUILD_RTL): Add build/vec.o.
6837 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6838 (build/genextract): Delete.
6839 (build/genautomata): Likewise.
6841 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6844 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6845 128-bit IBM long doubles for ABI_V4.
6847 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6849 * tree.c (range_in_array_bounds_p): New predicate.
6850 * tree.h (range_in_array_bounds_p): Declare it.
6851 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6852 return a less conservative answer.
6853 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6854 and flag 'is_group'.
6855 (IS_ELEMENT_FOR_GROUP): New macro.
6856 (FOR_EACH_ACTUAL_CHILD): Likewise.
6857 (next_child_for_group): New helper function.
6858 (can_completely_scalarize_p): Take into account groups.
6859 (sra_hash_tree): Handle RANGE_EXPR.
6860 (sra_elt_eq): Likewise.
6861 (lookup_element): Be prepared for handling groups.
6862 (is_valid_const_index): Delete.
6863 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6864 instead of is_valid_const_index.
6865 <ARRAY_RANGE_REF>: New case.
6866 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6867 is_valid_const_index.
6868 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6869 (scan_dump): Dump info for groups too.
6870 (decide_instantiation_1): Likewise.
6871 (decide_block_copy): Assert that the element is not a group.
6872 Propagate decision to groups.
6873 (generate_one_element_ref): Handle RANGE_EXPR.
6874 (mark_no_warning): Iterate over actual childs.
6875 (generate_copy_inout): Likewise.
6876 (generate_element_copy): Likewise.
6877 (generate_element_zero): Likewise.
6878 (generate_element_init_1): Likewise.
6879 (dump_sra_elt_name): Handle RANGE_EXPR.
6881 2006-07-03 Roger Sayle <roger@eyesopen.com>
6883 PR tree-optimization/26251
6884 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6885 (thread_block): When optimizing for size refuse to thread jumps
6886 that would require duplication of blocks other than redirection
6889 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6891 * configure.ac: Fix thinko in previous check-in.
6892 * configure: Regenerate.
6894 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6897 * configure.ac (for lang...): Simplify nesting of conditionals.
6898 Test subdir_requires for non-enabled languages. Move processing
6899 of lang_opt_files and lang_tree_fiels below that test.
6900 * configure: Regenerate.
6901 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6903 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6905 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6907 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6909 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6912 2006-06-29 Jason Merrill <jason@redhat.com>
6919 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6920 * c-common.c (c_determine_visibility): Handle it here.
6921 * c-decl.c (finish_decl): Call c_determine_visibility for
6923 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6925 * varasm.c (default_assemble_visibility): Likewise.
6926 * c-common.c (handle_visibility_attribute): Complain about trying
6927 to give visibility to an already defined class, or trying to change
6928 declared visibility. Always attach the attribute.
6933 * attribs.c (decl_attributes): Ignore type-in-place attributes
6934 once the type has been defined.
6936 2006-06-29 Roger Sayle <roger@eyesopen.com>
6939 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6940 to indicate the cpplib has issued an error message for us.
6942 2006-06-29 Asher Langton <langton2@llnl.gov>
6945 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6946 insert a label at the end of an function under Mach-O.
6948 2006-06-29 Eric Christopher <echristo@apple.com>
6949 Evan Cheng <evan.cheng@apple.com>
6951 * predicates.md (vector_all_ones_operand): New.
6952 (nonimmediate_or_sse_const_operand): Ditto.
6953 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6954 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6955 (standard_sse_mode_p): Ditto.
6956 (standard_sse_constant_p): Add case for -1 vector.
6957 (ix86_expand_vector_move): Try to use.
6958 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6959 Call standard_sse_constant_opcode.
6960 (*movv4sf_internal): Ditto.
6961 (*movv2df_internal): Ditto.
6963 2006-06-29 Roger Sayle <roger@eyesopen.com>
6965 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6966 of XEXP to extract the operands of a MATCH_CODE rtx.
6968 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6970 * tree.c (tree_size): Do not waste tail padding in
6971 struct tree_string and make the size be the same as
6972 build_string will generate.
6974 2006-06-28 Jason Merrill <jason@redhat.com>
6977 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6978 may_aliases already in the tag's annotations to the bitmap.
6980 2006-06-28 Roger Sayle <roger@eyesopen.com>
6982 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6984 2006-06-28 Roger Sayle <roger@eyesopen.com>
6986 * genpreds.c (generate_switch_p): New function.
6987 (add_mode_tests): Push the new mode test down inside an AND expr
6988 if this allows the switch-suitable MATCH_CODE to be near the root.
6989 (write_match_code_switch): New function to write a MATCH_CODE as
6991 (write_predicate_stmts): New function to write a predicate RTX
6992 expression as a sequence of statements.
6993 (write_one_predicate_function): Use write_predicate_stmts.
6994 (write_tm_constrs_h): Likewise.
6996 2006-06-26 Fred Fish <fnf@specifix.com>
6998 * config/mips/t-sb1: New file.
6999 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7002 2006-06-26 DJ Delorie <dj@redhat.com>
7004 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7006 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7007 Jayant Sonar <jayants@kpitcummins.com>
7008 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7010 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7011 (subsi3, subsi3_1, subsi3_2): New.
7012 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7013 * config/m32c/mov.md (SI mov peephole): New.
7014 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7015 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7017 2006-06-26 Olivier Hainque <hainque@adacore.com>
7019 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7020 a CALL_EXPR target function declaration.
7022 2006-06-26 Richard Guenther <rguenther@suse.de>
7024 * tree.c (build_string): Do not waste tail padding in
7027 2006-06-26 Richard Guenther <rguenther@suse.de>
7029 * ggc-page.c (init_ggc): Add missing element to size_lookup
7033 2006-06-23 Richard Guenther <rguenther@suse.de>
7035 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7036 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7037 alignment requests instead. Add verification code.
7038 Add struct tree_function_decl and struct tree_binfo size to
7039 extra_order_size_table. Add missing element to size_lookup
7042 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7045 * fold-const.c (const_binop): Be prepared for self returning zero.
7046 Simplify code handling complex values.
7048 2006-06-24 Olivier Hainque <hainque@adacore.com>
7050 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7051 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7054 2006-06-24 Olivier Hainque <hainque@adacore.com>
7056 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7057 ARRAY_REF, so have the callback called for the low bound expression.
7059 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7061 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7062 * c-typeck.c (c_common_type): Disallow operations on decimal float
7063 types and other float types.
7064 * convert.c (convert_to_real): Don't ignore conversions involving
7065 decimal float types.
7067 2006-06-23 Olivier Hainque <hainque@adacore.com>
7069 * tree.c (max_int_size_in_bytes): New function, inspired from
7070 code in function.c:assign_temp.
7071 * tree.h (max_int_size_in_bytes): Declare.
7072 * function.c (assign_temp): Use it.
7073 * gimplify.c (create_tmp_var): Relax the assertions on the type
7074 properties, not mandating constant size any more.
7075 (force_constant_size): New static function.
7076 (gimple_add_tmp_var): Use it, forcing variable size to a
7077 constant upper bound if it is not constant on entry.
7079 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7082 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7083 for initialization and setting of one_only flag to ...
7084 (i386_pe_encode_section_info): ...here.
7085 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7086 Recheck that the symbol has not been defined.
7088 2006-06-23 Richard Guenther <rguenther@suse.de>
7090 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7091 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7092 alignment requests instead. Add verification code.
7093 Add struct tree_function_decl and struct tree_binfo size to
7094 extra_order_size_table. Add missing element to size_lookup
7097 2006-06-22 Roger Sayle <roger@eyesopen.com>
7098 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7101 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7102 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7104 2006-06-23 Ben Elliston <bje@au.ibm.com>
7106 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7107 negate dn -- manipulate it directly.
7109 2006-06-22 Roger Sayle <roger@eyesopen.com>
7110 Steven Bosscher <stevenb.gcc@gmail.com>
7113 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7114 generated by gen_move_insn to add REG_LABEL notes if necessary.
7116 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7118 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7119 (leaf_entry): Remove use of MIN_ESA.
7121 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7123 PR rtl-optimization/28121
7124 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7127 2006-06-21 DJ Delorie <dj@redhat.com>
7129 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7131 (mulhisi3_r): Likewise.
7133 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7136 * coverage.c (coverage_counter_alloc): Leave the index type
7138 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7141 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7143 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7144 section from the "Options for Code Generation Conventions".
7146 2006-06-21 Richard Henderson <rth@redhat.com>
7150 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7152 (global_symbolic_operand): Allow weak symbols, even if local_p.
7154 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7156 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7157 (find_interesting_uses_address): Punt if above function returns true.
7159 2006-06-21 Richard Guenther <rguenther@suse.de>
7161 * configure: Regenerated.
7163 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7165 * config/mips/mips.c (function_arg): Where one part of a
7166 complex argument is in registers and the other part in the stack,
7167 return a REG not a PARALLEL.
7169 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7171 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7172 when cross-compiling. Do not substitute libstdcxx_incdir.
7173 * configure: Regenerated.
7175 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7177 * varasm.c (mergeable_string_section): Check for embedded NULs and
7178 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7179 rather than TREE_STRING_LENGTH bytes.
7181 2006-06-21 Richard Guenther <rguenther@suse.de>
7183 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7184 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7187 2006-06-21 Richrad Guenther <rguenther@suse.de>
7189 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7190 Limit iteration over the dominators.
7192 2006-06-20 Roger Sayle <roger@eyesopen.com>
7194 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7195 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7197 2006-06-20 Richard Guenther <rguenther@suse.de>
7198 Michael Matz <matz@suse.de>
7200 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7202 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7203 * et-forest.h (et_free_pools): Prototype new function.
7204 * et-forest.c (et_free_tree_force): Free parent occurrence.
7205 (et_free_pools): New function.
7206 * dominance.c (free_dominance_info): Free et-forest alloc
7209 2006-06-20 Roger Sayle <roger@eyesopen.com>
7211 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7212 integer modes, attempt to directly construct an integer constant.
7214 * fold-const.c (native_encode_vector): Determine the size of each
7215 element from the vector type instead of the first vector element.
7217 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7218 if all of its elements/components are constant.
7219 (build_constructor_from_list): Likewise.
7221 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7223 PR tree-optimization/27331
7224 * tree-data-ref.c (free_data_ref): New function.
7225 (create_data_ref): Fail if the data reference has unknown access
7227 (free_data_refs): Use free_data_ref.
7229 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7232 * tree-inline.c (setup_one_parameter): Strip useless
7233 type conversion before adding it to the IR.
7234 (declare_return_variable): Likewise.
7236 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7239 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7241 2006-06-19 Mike Stump <mrs@apple.com>
7243 * tree.c (variably_modified_type_p): VM arguments don't make the
7246 2006-06-19 Richard Guenther <rguenther@suse.de>
7248 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7249 type conversions after folding.
7251 2006-06-19 Richard Guenther <rguenther@suse.de>
7253 * ggc-page.c (extra_order_size_tab): Add entries with
7254 size of struct function and basic_block.
7255 (size_lookup): Extend to cover sizes up to 511.
7256 (ggc_alloc_stat): Adjust user.
7257 (ggc_pch_count_object): Likewise.
7258 (ggc_pch_alloc_object): Likewise.
7259 (ggc_pch_write_object): Likewise.
7261 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7263 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7264 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7267 2006-06-19 Denis Chertykov <denisc@overta.ru>
7269 * config/avr/libgcc.S : Correct my wrong previous commit.
7271 2006-06-19 Roger Sayle <roger@eyesopen.com>
7274 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7275 have stripped a SUBREG from the shift count, so we may need to
7276 convert_to_mode back to the type's mode before calling make_tree.
7277 Use new_amount instead of amount to avoid expanding a tree twice.
7279 2006-06-19 Richard Guenther <rguenther@suse.de>
7282 * fold-const.c (operand_equal_p): Check if the argument types
7283 have the same precision before stripping NOPs.
7285 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7287 Fix PR tree-optimization/27341
7288 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7290 * tree-complex.c (pass_lower_complex): Update SMT usage.
7292 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7294 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7295 Add a new alternative to the constraint strings. Add move of
7296 operand 1 to 3 to the splitter definition.
7297 ("doloop_si_long"): Second contraint alternative removed.
7299 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7301 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7302 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7304 (AVR_HAVE_MOVW) Define.
7305 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7306 (ASM_SPEC): Add avr25.
7307 (LINK_SPEC): Add avr25.
7308 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7309 (base_arch_s): Add new member 'have_movw_lpmx'.
7310 (avr_arch_types): Init 'have_movw_lpmx'.
7311 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7312 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7313 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7314 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7315 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7317 (avr_file_start): Do not output '.arh' derective.
7318 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7319 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7320 * config/avr/avr.md (mcu_enhanced): Delete.
7321 (mcu_have_movw): Define.
7322 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7323 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7324 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7325 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7326 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7327 attiny861 and at86rf401 devices.
7329 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7331 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7334 2006-06-17 Karl Berry <karl@gnu.org>
7336 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7337 doc/gccint.texi, doc/install.texi (@dircategory): Use
7338 "Software development" instead of "Programming", following
7339 the Free Software Directory.
7341 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7343 * config/i386/i386.c (legitimate_tls_address)
7344 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7345 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7346 (*tls_dynamic_gnu2_combine_64): Likewise.
7348 2006-06-16 Richard Guenther <rguenther@suse.de>
7351 * fold-const.c (negate_expr_p): Do not introduce undefined
7352 overflow in negating INTEGER_CSTs.
7353 (fold_negate_expr): Rename from negate_expr. Revert last
7354 change for folding BIT_NOT_EXPR. Change semantics to
7355 return NULL_TREE for non-simplified negations. Do not
7356 strip type conversions and unify type handling.
7357 (negate_expr): New function, wrap around fold_negate_expr
7358 but ensure building a tree always. Strip type conversions
7359 here, fold to result type.
7360 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7362 2006-06-16 Roger Sayle <roger@eyesopen.com>
7365 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7366 that (would) return their results in stack registers.
7368 2006-06-16 Michael Matz <matz@suse.de>
7369 Richard Guenther <rguenther@suse.de>
7371 * fold-const.c (fold_truthop): Only return new tree node if
7372 we canonicalized something.
7374 2006-06-16 Richard Guenther <rguenther@suse.de>
7376 * function.h (enum function_frequency): Move declaration
7377 out of struct function.
7378 (struct function): Move bool fields and the enum to the bitfield
7379 section. Reorder elements to avoid padding. Remove unused
7380 fields left over from the RTL inliner removal.
7381 * function.c (free_after_compilation): Do not zero removed fields.
7382 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7383 (ipa-type-escape.o): Likewise.
7385 2006-06-16 Richard Guenther <rguenther@suse.de>
7387 * cgraph.h (struct cgraph_local_info): Turn bool elements
7389 (struct cgraph_node): Likewise.
7390 (struct cgraph_varpool_node): Likewise.
7392 2006-06-15 Richard Guenther <rguenther@suse.de>
7394 * fold-const.c (fold_truth_not_expr): Rename from
7395 invert_truthvalue. Give it fold_* semantics to avoid
7397 (invert_truthvalue): New function. Wrapper around
7398 fold_truth_not_expr.
7399 (optimize_minmax_comparison): Avoid creating garbage.
7400 (fold_unary): Use fold_truth_not_expr for folding
7402 (fold_ternary): Replace uses of invert_truthvalue with
7403 fold_truth_not_expr where applicable.
7404 * tree.h (fold_truth_not_expr): Prototype.
7406 2006-06-16 Richard Guenther <rguenther@suse.de>
7408 PR tree-optimization/27781
7409 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7410 * ipa-pure-const.c (target.h): Include.
7411 (analyze_function): Do not analyze functions that do not
7414 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7417 * tree-dfa.c (referenced_vars_dup_list): Remove.
7418 (find_referenced_vars): Remove assert.
7419 (referenced_var_check_and_insert): Replace dup list with assert.
7420 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7421 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7423 2006-06-15 Richard Guenther <rguenther@suse.de>
7425 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7426 extra unused identifiers if not dumping.
7427 (create_variable_info_for): Likewise.
7429 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7431 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7432 (derive_constant_upper_bound): Derive more precise upper bound in
7433 common cases. Return type changed to double_int.
7434 (record_estimate): Reflect the changed return type of
7435 derive_constant_upper_bound.
7436 * double-int.c (double_int_zext, double_int_sext): Fix.
7438 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7440 * configure.ac (CFLAGS): Get them from the toplevel or from the
7441 configure invocation.
7442 * configure: Regenerate.
7443 * Makefile.in (CFLAGS): Substitute value provided by configure.
7445 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7448 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7449 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7450 rather than calling add_stmt on it.
7451 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7453 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7456 * reload1.c (reload): Remove registers returned by update_eliminables
7457 from used_spill_regs.
7459 2006-06-13 DJ Delorie <dj@redhat.com>
7461 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7463 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7465 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7466 html__strip_dir, html__mkdir_p. Enhance install-html target.
7467 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7468 * configure: Regenerate.
7470 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7472 * fold-const.c (fold_cond_expr_with_comparison): Check for
7473 Objective-C++ as language in deciding COND_EXPR transformation.
7475 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7478 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7479 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7480 * config/sh/lib1funcs.h (SL, SL1): Define.
7481 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7482 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7483 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7484 (OBJS_Os_4_200): New variable.
7485 ($(T)libgcc-Os-4-200.a): Use it.
7486 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7487 when dividing 1 and/or by 0.
7489 2006-06-13 Roger Sayle <roger@eyesopen.com>
7491 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7492 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7493 * configure: Regenerate.
7495 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7497 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7498 for real instruction.
7500 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7503 * haifa-sched.c (check_cfg): Handle special case.
7505 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7508 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7509 Add debug_info parameter. Chain the vars to the BLOCK instead
7510 of the BIND_EXPR if debug info are requested for them.
7511 (pop_gimplify_context): Adjust for above change.
7512 (gimple_add_tmp_var): Likewise.
7513 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7515 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7516 (convert_local_reference): Likewise.
7517 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7518 (finalize_nesting_tree_1): Request that debug info be emitted
7519 for debug_var_chain.
7521 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7523 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7524 for PR target/27863.
7526 2006-06-13 Richard Guenther <rguenther@suse.de>
7529 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7531 2006-06-13 Richard Guenther <rguenther@suse.de>
7533 PR tree-optimization/27830
7534 * tree-inline.c (copy_body_r): For copying the operand
7535 of an ADDR_EXPR make sure to fold &* afterwards.
7537 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7539 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7540 lvalues in the fb_none case with side-effects.
7542 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7544 * tree-flow.h: Remove the prototype for
7545 compute_phi_arg_on_exit.
7546 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7547 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7550 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7552 * builtins.c (expand_builtin_return_addr): Only use
7553 frame_pointer_rtx when count == 0 and we are expanding
7554 __builtin_return_address.
7556 2006-06-12 Fred Fish <fnf@specifix.com>
7558 * config/mips/mips.c (mips_file_start): Create special section
7559 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7561 2006-06-11 Eric Christopher <echristo@apple.com>
7564 * stor-layout.c (place_field): Remove check for
7565 remaining_in_alignment when aligning at the end of a run.
7567 2006-06-11 Eric Christopher <echristo@apple.com>
7570 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7573 2006-06-11 Roger Sayle <roger@eyesopen.com>
7576 Revert incorrect fix for PR target/27158
7577 2006-05-08 Roger Sayle <roger@eyesopen.com>
7578 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7579 of a reg_equiv_constant if the result is a legitimate constant.
7581 2006-06-11 Roger Sayle <roger@eyesopen.com>
7584 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7585 extract a CONST_VECTOR element and interpret it as an integer.
7586 (vspltis_constant): Use const_vector_elt_as_int instead of the
7587 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7588 * config/rs6000/predicates.md (easy_vector_const): Consider
7589 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7591 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7594 * stor-layout.c (update_alignment_for_field): Don't add extra
7595 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7598 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7600 * config/mips/t-rtems: Add EL/EB multilib variants.
7602 2006-06-09 Mike Stump <mrs@apple.com>
7604 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7606 2006-06-09 David Daney <ddaney@avtrex.com>
7608 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7610 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7612 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7614 2006-06-09 Richard Guenther <rguenther@suse.de>
7616 PR tree-optimization/26998
7617 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7618 of signed types, only TYPE_MIN_VALUE is special, but for both,
7619 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7620 in this case, as is -fwrapv.
7622 2006-06-08 Mike Stump <mrs@apple.com>
7625 * config/darwin.c (darwin_asm_output_anchor): Disable
7626 -fsection-anchors on darwin for now.
7627 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7628 * rs6000/rs6000.c (optimization_options): Likewise.
7630 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7633 * config/i386/i386.c (classify_argument): Skip fields with invalid
7636 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7638 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7639 (cse_insn): Likewise for the stack_pointer_rtx.
7641 2006-06-08 Roger Sayle <roger@eyesopen.com>
7643 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7644 conditions from floating point comparisons.
7646 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7649 * expmed.c (struct alg_hash_entry): Fix type of field T
7650 to match synth_mult argument.
7651 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7653 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7656 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7659 2006-06-08 Richard Guenther <rguenther@suse.de>
7662 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7663 only, if overflow is defined and not trapping.
7664 (negate_expr): Likewise.
7666 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7668 PR tree-optimization/27872
7669 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7670 flag on the new exit edge of the unrolled loop.
7672 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7674 PR rtl-optimization/26449
7675 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7677 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7680 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7681 referenced_variables with matching DECL_UID's.
7682 (find_referenced_vars): Make sure duplicate list is empty to start.
7683 (referenced_var_p): Remove.
7684 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7685 Check if var is in the list, and add if needed. Update the duplicate
7686 list if a different var is in the list with the same DECL_UID.
7687 (add_referenced_var): Call routine to check and insert.
7688 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7689 * tree-flow.h (referenced_vars_dup_list): External declaration.
7691 2006-06-07 Fred Fish <fnf@specifix.com>
7693 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7696 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7699 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7700 the imaginary and real parts of a clobbered register.
7701 Emit insn to set the imaginary part.
7703 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7705 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7706 in lieu of unwind-dw2-fde.c.
7708 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7710 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7712 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7715 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7716 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7717 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7718 V4SImode temporaries and operations instead.
7720 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7722 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7725 2006-06-06 Mike Stump <mrs@apple.com>
7727 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7728 installing during build.
7730 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7732 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7734 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7735 * config/ia64/ia64.c (params.h): New header.
7736 (ia64_optimization_options): New function to adjust parameters.
7737 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7738 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7739 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7741 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7743 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7745 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7748 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7750 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7751 Victor Kaplansky <victork@il.ibm.com>
7753 PR tree-optimization/26360
7754 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7757 2006-06-04 Roger Sayle <roger@eyesopen.com>
7758 Andrew Pinski <pinskia@physics.uc.edu>
7761 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7762 for LABEL_DECL before calling DECL_WEAK.
7765 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7766 LABEL_DECL and PARM_DECL.
7768 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7772 * c-decl.c (grokdeclarator): Disallow variably modified types at
7773 file scope. Avoid marking shared array type of constant size as
7776 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7779 * c-common.c (fold_offsetof_1): Handle static members.
7781 2006-06-04 Eric Christopher <echristo@apple.com>
7783 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7784 (debug_rli): Output value for remaining_in_alignment.
7785 (update_alignment_for_field): Unconditionalize
7786 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7787 extra alignment code.
7788 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7789 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7790 * tree.h (record_layout_info_s): Remove prev_packed.
7791 * doc/extend.texi (ms_struct): Add documentation of format.
7793 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7795 * tree.h: Declare folding_initializer.
7796 * builtins.c (fold_builtin_constant_p): Give definite answer
7797 if folding inside an initializer.
7798 * fold-const.c: Define folding_initializer.
7799 (START_FOLD_INIT): Save and then set folding_initializer.
7800 (END_FOLD_INIT): Restore folding_initializer.
7802 2006-06-04 Richard Guenther <rguenther@suse.de>
7804 PR tree-optimization/27039
7805 * fold-const.c (fold_comparison): Handle pointer comparison
7806 again for all comparison codes. Compare offsets in signed
7808 (fold_binary): Move code from here.
7810 2006-06-03 Roger Sayle <roger@eyesopen.com>
7813 * config/i386/i386.c (construct_container): Split static issued_error
7814 flag into issued_sse_arg_error, issued_sse_ret_error and
7815 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7816 requires the use of x87 registers and the user explicitly
7817 specified the -mno-80387 command line option.
7819 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7821 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7822 HAVE_DECL_SIGALTSTACK.
7824 (segv_handler): Use MC_FLD.
7825 * configure.ac: Check for a sigaltstack declaration.
7826 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7827 * configure: Regenerate.
7828 * config.in: Regenerate.
7830 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7833 * Makefile.in (stmp-fixinc): Fix typo.
7835 2006-06-02 Roger Sayle <roger@eyesopen.com>
7837 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7838 are type correct. Clean-up.
7839 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7840 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7842 2006-06-01 DJ Delorie <dj@redhat.com>
7844 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7845 shift, as we've disabled the "switch" insn that needs it.
7847 2006-06-01 Per Bothner <bothner@bothner.com>
7849 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7850 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7851 * c-ppoutput.c (cb_define): Don't increment line 0.
7853 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7855 * doc/invoke.texi: Add cpu_type power6.
7856 * config.gcc: Add cpu_type power6.
7857 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7858 to power5+ with Altivec.
7859 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7860 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7862 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7864 * config/avr/avr.h (SET_ASM_OP): Define.
7866 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7868 * config/bfin/bfin.c: Fix comment typos.
7870 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7873 * doc/install.texi: Document --enable-bootstrap and
7874 --disable-bootstrap.
7876 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7878 * doc/install.texi: Document that InfoZIP can replace jar.
7880 2006-05-31 Roger Sayle <roger@eyesopen.com>
7882 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7883 isn't available, directly generate the simpler x87 patterns without
7884 the (use (const_int 0)).
7885 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7886 implementation isn't available.
7887 (*negdf2_1): Likewise.
7888 (*negxf2_1): XF mode negation is always done using the x87.
7889 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7891 2006-05-31 Roger Sayle <roger@eyesopen.com>
7893 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7894 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7896 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7898 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7900 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7901 * config/bfin/bfin.c (basic-block.h): Include.
7902 (struct machine_function): New.
7903 (bfin_init_machine_status): New.
7904 (override_options): Initialize init_machine_status.
7905 (bfin_hardware_loop): New.
7906 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7907 (DEF_VEC_P (loop_info)): New.
7908 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7909 (struct loop_info): New.
7910 (loop_info): New typedef.
7911 (struct loop_work): New.
7912 (loop_work): New typedef.
7913 (DEF_VEC_O (loop_work)): New.
7914 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7915 (bfin_dump_loops): New.
7916 (bfin_bb_in_loop): New.
7917 (bfin_scan_loop): New.
7918 (bfin_optimize_loop): New.
7919 (bfin_reorg_loops): New.
7920 (bfin_reorg): Use bfin_reorg_loops.
7921 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7923 (I_REGNO_P): Simplify.
7924 (DP_REGNO_P, DPREG_P): New macros.
7925 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7926 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7927 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7928 Add LT_REGS, LC_REGS, LB_REGS.
7929 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7931 (REGNO_REG_CLASS): Deal with loop registers.
7932 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7934 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7935 New constants for loop registers.
7936 (UNSPEC_LSETUP_END): New.
7937 (seq_insns): New define_attr. Set it for appropriate insns.
7938 (movsi_insn): Add alternatives for move from/to
7939 loop count registers.
7940 (doloop_end): New define_expand.
7941 (loop_end): New define_insn.
7942 (define_split for bad doloop_end): New.
7943 (lsetup_with_autoinit): New define_insn.
7944 (lsetup_without_autoinit): New define_insn.
7945 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7946 * config/bfin/predicates.md (lc_register_operand): New.
7947 (lt_register_operand): New.
7948 (lb_register_operand): New.
7949 (nondp_register_operand): New.
7950 (nondp_reg_or_memory_operand): New.
7951 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7953 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7955 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7956 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7958 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7960 * Makefile.in (CATALOGS): Add po/ prefix.
7961 * configure: Regenerated.
7963 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7966 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7967 a shift operand before calling shift_op. Avoid redundant call of
7970 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7971 DJ Delorie <dj@redhat.com>
7973 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7974 we're inserting is a singlt-bit constant.
7976 2006-05-30 Roger Sayle <roger@eyesopen.com>
7978 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7979 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7981 2006-05-30 Roger Sayle <roger@eyesopen.com>
7983 PR tree-optimization/23452
7984 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7985 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7986 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7987 complex values and with -ffast-math for FP complex values.
7989 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7991 * c-common.h: Remove the prototype for yyparse.
7992 * rtl.h: Remove the prototype for init_loop.
7994 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7996 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7999 2006-05-30 Roger Sayle <roger@eyesopen.com>
8001 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8003 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8004 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8006 2006-05-30 Dirk Mueller <dmueller@suse.de>
8009 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8010 for CONSTANT_CLASS_P expresisons.
8012 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8015 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8017 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8019 PR tree-optimization/27779
8020 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8021 initial_condition instead of CHREC_LEFT.
8023 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8025 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8026 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8027 Make prototypes ISO C90.
8029 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8030 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8032 * see.c (see_analyze_one_def): Correct check.
8033 (see_get_extension_data): Check if extension is parallel.
8034 (see_get_extension_reg): Likewise.
8036 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8039 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8040 into register for (code == GTU).
8042 2006-05-29 Roger Sayle <roger@eyesopen.com>
8044 PR tree-optimization/24964
8045 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8046 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8047 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8048 abs(x)*abs(x) as x*x for scalar floating point modes.
8050 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8053 * lambda-code.c (perfect_nestify): Don't copy statements
8054 in the inner loop: move them to the inner loop header.
8056 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8059 * c-tree.texi: Document OpenMP directives and clauses.
8061 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8063 * varasm.c (globalize_decl): Fix indentation.
8065 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8068 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8069 pass_fre, pass_store_ccp, pass_copy_prop,
8070 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8071 pass_return_slot, pass_object_size, pass_lim,
8072 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8073 pass_loop_prefetch and pass_stdarg.
8075 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8077 * config/bfin/bfin.opt (mfdpic): New option.
8078 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8079 (EXTRA_MULTILIB_PARTS): Likewise.
8080 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8081 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8083 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8084 (CRT_CALL_STATIC_FUNCTION): New.
8085 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8087 (CRT_CALL_STATIC_FUNCTION): New.
8088 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8090 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8091 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8092 (initialize_trampoline): Changed to handle FD-PIC code generation.
8093 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8094 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8095 (override_options): Disallow -mid-shared-library -mfdpic combination.
8096 Can't do unaligned ops if FD-PIC.
8097 Turn off flag_pic if trying to generate non-id-shared-library
8098 non-fdpic code, since it's not supported.
8099 (bfin_assemble_integer): New function.
8100 (TARGET_ASM_INTEGER): Define.
8101 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8103 * config/bfin/crtn.s: Restore them.
8104 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8106 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8107 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8108 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8109 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8110 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8112 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8113 FDPIC_REGS and FDPIC_FPTR_REGS.
8114 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8115 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8116 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8117 (load_funcdescsi): New pattern.
8118 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8119 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8120 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8122 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8124 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8127 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8129 * tree-flow.h: Remove the prototype for add_type_alias.
8130 * tree-ssa-alias.c (add_type_alias): Remove.
8132 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8134 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8135 config/fr30/fr30.md, config/i386/i386-interix.h,
8136 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8137 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8138 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8139 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8140 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8141 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8142 Follow spelling conventions.
8143 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8144 Follow spelling conventions.
8146 2006-05-27 Richard Guenther <rguenther@suse.de>
8149 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8150 to produce a constant of value 1 of generic type.
8152 2006-05-27 Dirk Mueller <dmueller@suse.de>
8154 * cgraphunit.c (decide_is_function_needed): Fix wrong
8157 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8159 PR rtl-optimization/27661
8160 * reload.c (find_reloads): When reloading a VOIDmode constant
8161 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8162 use Pmode as mode of the reload register.
8164 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8166 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8167 is enabled at -O and above.
8169 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8172 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8175 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8178 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8179 for anonymous variables explicitly declared by front ends.
8181 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8183 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8184 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8185 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8186 ref-all pointers, run a finalization pass for them.
8187 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8188 (finalize_ref_all_pointers): New function.
8189 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8190 regular pointer type to a ref-all pointer type.
8191 (get_tmt_for): Return the special memory tag for ref-all pointers.
8193 2006-05-25 Richard Guenther <rguenther@suse.de>
8196 * fold-const.c (fold_binary): Do not look at the stripped
8197 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8199 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8201 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8202 for LT and GT if the computed range is effectively empty.
8204 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8207 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8208 mips_quad_format formats instead of ieee_single_format,
8209 ieee_double_format and ieee_quad_format formats, respectively.
8211 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8213 PR tree-optimization/27639
8214 PR tree-optimization/26719
8215 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8216 call to scev_probably_wraps_p.
8217 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8218 used_in_pointer_arithmetic_p, convert_step): Removed.
8219 (nowrap_type_p): New function.
8220 (scev_probably_wraps_p): Rewritten.
8221 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8222 chrec_convert if chrec_convert_aggressive might have been used.
8223 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8224 scev_direction): New functions.
8225 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8226 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8227 instead of convert_step.
8228 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8229 (convert_step): Declaration removed.
8230 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8232 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8234 * df-core.c: Added to header comments.
8235 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8236 df_ur_bb_info, df_urec_bb_info): Added comments.
8237 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8238 urec, ri problems): Fixed header comments.
8239 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8240 code from df_rd_transfer_function.
8242 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8244 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8245 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8246 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8248 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8250 * expr.c (undefined_operand_subword_p): New.
8251 (emit_move_multi_word): Do not generate move from undefined bits
8252 of a paradoxical subreg.
8254 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8256 PR rtl-optimization/27736
8257 * combine.c (replaced_rhs_value): New variable.
8258 (combine_instructions): Set it.
8259 (distribute_notes): When distributing a note in replaced_rhs_insn,
8260 check whether the value was used in replaced_rhs_value.
8262 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8265 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8266 add_referenced_var instead of add_referenced_tmp_var.
8267 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8268 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8270 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8271 tree_optimize_tail_calls_1): Use add_referenced_var.
8272 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8273 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8274 Use add_referenced_var.
8275 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8276 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8277 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8278 Use add_referenced_var.
8279 * tree-dfa.c (struct walk_state): Remove.
8280 (find_referenced_vars): Remove walk state and vars_found hash table.
8281 (make_rename_temp): Use add_referenced_var.
8282 (find_vars_r): Pass less parameters to add_referenced_var.
8283 (referenced_var_p): New. Is var in referenced_var hash table.
8284 (referenced_var_insert): Assert var isn't already in hash table.
8285 (add_referenced_var): Don't need walk_state parameter. Add var if it
8286 isn't already in the hash table.
8287 (add_referenced_tmp_var): Remove.
8288 (find_new_referenced_vars_1): Use add_referenced_var.
8289 * tree-ssa-pre.c (create_expression_by_pieces,
8290 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8291 Use add_referenced_var.
8292 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8293 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8294 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8296 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8297 vect_create_data_ref_ptr, vect_create_destination_var,
8298 vect_init_vector, vect_build_loop_niters,
8299 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8300 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8301 Use add_referenced_var.
8302 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8303 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8304 (add_referenced_var): Add prototype.
8305 * tree-ssa-structalias.c (get_constraint_for,
8306 intra_create_variable_infos): Use add_referenced_var.
8308 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8310 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8311 big-endian paradoxical subregs.
8312 * var-tracking.c (struct micro_operation_def): Document that,
8313 for modify micro operations, insn is the subsequent instruction.
8314 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8315 (var_reg_set, var_mem_set): ... new functions.
8316 (add_stores): Record subsequent insn.
8317 (compute_bb_dataflow): Use new functions for MO_USE.
8318 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8319 notes after the insn, and modify notes before the insn known
8320 to be the subsequent one.
8321 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8323 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8326 * config/i386/i386.c (ix86_expand_builtin): Use
8327 gen_sse3_monitor64 for TARGET_64BIT.
8329 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8331 PR rtl-optimization/26375
8332 PR rtl-optimization/26855
8333 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8335 (df_ru_bb_local_compute): Reversed statements and removed bogus
8336 comment explaining why they should be in wrong order.
8337 (df_ru_dump, df_rd_dump): Enhanced debug info.
8338 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8340 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8341 reaching uses and fixed space problem.
8343 2006-05-23 Jan Hubicka <jh@suse.cz>
8345 * cgraphunit.c (decide_is_function_needed): Also nested functions
8346 and functions declared inline can be optimized out at -O0.
8348 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8350 * doc/install.texi (Configuration): Remove reference to CrossGCC
8354 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8357 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8358 ix86_compare_emitted is non-NULL.
8360 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8363 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8366 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8368 PR rtl-optimization/25514
8369 * combine.c (replaced_rhs_insn): New variable.
8370 (combine_instructions): Set replaced_rhs_insn when trying to replace
8371 a SET_SRC with a REG_EQUAL note.
8372 (distribute_notes): Use replaced_rhs_insn when determining the live
8373 range of a REG_DEAD register.
8375 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8376 Anatoly Sokolov <aesok@post.ru>
8378 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8379 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8380 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8381 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8382 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8383 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8384 at90usb647, at90usb1286 and at90usb1287 devices.
8385 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8386 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8388 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8390 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8392 2006-05-22 Richard Guenther <rguenther@suse.de>
8395 2006-01-31 Richard Guenther <rguenther@suse.de>
8396 Paolo Bonzini <bonzini@gnu.org>
8398 * doc/install.texi (--disable-libgcc-math): Document.
8400 2006-05-22 Richard Guenther <rguenther@suse.de>
8403 2006-01-31 Richard Guenther <rguenther@suse.de>
8405 * doc/invoke.texi (-msselibm): Document.
8406 * target.h (expand_library_builtin): New target hook.
8407 * builtins.c (expand_builtin): Use expand_library_builtin.
8408 (default_expand_library_builtin): New function.
8409 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8410 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8411 (link_gcc_math_spec): Declare.
8412 (static_specs): Add link_gcc_math_spec.
8413 * expr.h (default_expand_library_builtin): Declare.
8414 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8415 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8416 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8417 * config/i386/i386.opt (msselibm): New target option.
8418 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8419 (ix86_init_sse_abi_builtins): New function.
8420 (ix86_expand_library_builtin): Likewise.
8421 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8422 (override_options): Handle error conditions wrt -msselibm.
8423 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8424 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8425 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8428 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8431 * c-common.c (self_promoting_args_p): Skip erroneous args.
8434 * c-decl.c (finish_struct): Skip erroneous fields.
8436 2006-05-22 Nick Clifton <nickc@redhat.com>
8438 * config/cris/cris.opt (march): Remove VarExists attribute.
8439 (max-stackframe=): Likewise.
8441 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8443 * doc/rtl.texi: Fix a typo.
8444 * see.c: Fix comment typos.
8446 * tree-ssa-structalias.h (alias_info): Remove num_references.
8448 2006-05-21 Mike Stump <mrs@apple.com>
8450 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8452 (darwin_pragma_options): Use BAD instead.
8453 (darwin_pragma_unused): Likewise.
8454 (darwin_pragma_ms_struct): Likewise.
8456 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8458 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8460 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8462 PR rtl-optimization/27671
8463 * simplify-rtx.c (simplify_relational_operation_1): Fix
8464 simplifications of (eq/ne (xor x y) y) and
8465 (eq/ne (xor x y) x).
8467 PR tree-optimization/26622.
8468 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8471 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8473 * tree-cfg.c: Prune whitespace.
8474 (debug_tree_cfg): Point to correct header containing the
8477 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8480 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8482 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8485 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8486 or sorry count is non zero.
8488 2006-05-20 Andreas Schwab <schwab@suse.de>
8490 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8492 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8493 Kenneth Zadeck <zadeck@naturalbridge.com>
8495 PR rtl-optimization/26855
8497 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8499 (df_scan_alloc): Added code to properly handle multiword hard
8500 registers and add all_blocks parameter.
8501 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8502 code to properly handle multiword hard registers.
8503 (df_rescan_blocks): Added code to remove deleted blocks from
8505 (df_ref_create_structure, df_ref_record): Added code to properly
8507 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8508 and set DF_REF_PARTIAL.
8509 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8510 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8511 (df_scan_add_problem): Added flags parameter.
8512 (df_ref_create_structure): Changed switching structure.
8513 (df_bb_refs_record): Fixed case where duplicate artificial refs
8514 were created. Changed location of flags.
8515 (df_record_entry_block_defs): Added code to make stack pointer
8516 live in entry block. Refined cases where frame pointer is needed.
8517 Changed location of flags.
8518 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8519 (df_set_state): Removed function.
8520 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8521 df_insn_create_insn_record, df_insn_refs_delete,
8522 df_ref_create_structure): Formatting changes.
8523 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8524 df_delete_basic_block): New function.
8525 (df_init): Changed location of flags.
8526 (df_add_problem): Added flags parameter and the way flags are
8528 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8529 debug_df_chain): Improved debugging output.
8530 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8531 (df_refs_chain_dump): Removed df parameter.
8532 (df_iterative_dataflow): Added consistency check.
8533 (df_prune_to_subcfg): Made public.
8534 (df_analyze_problem): Added blocks_to_init parameter and made
8536 (df_ref_record, df_bb_refs_record, df_mark_reg,
8537 df_record_exit_block_uses): Whitespace changes.
8538 (df_dump): Whitespace changes.
8539 * df.h: Some reordering to remove forward references.
8540 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8541 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8542 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8543 (dataflow.flags): New field.
8544 (df.flag): Deleted field.
8545 (df_alloc_function): Added additional bitmap parameter.
8546 (df_dependent_problem_function): New type.
8547 (df_problem.changeable_flags): New field.
8548 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8549 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8550 (df_mw_hardreg): New struct.
8551 (DF_INSN_UID_MWS): New macro.
8552 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8554 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8555 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8556 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8557 (df_set_state): Removed function.
8558 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8559 * df-problems.c (df_chain_dump): Removed df parameter.
8560 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8561 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8563 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8564 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8565 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8566 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8567 DF_REF_MUST_CLOBBER cases.
8568 (df_ru_bb_local_compute_process_def,
8569 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8570 df_lr_bb_local_compute, df_ur_bb_local_compute,
8571 df_chain_create_bb): Made subreg aware.
8572 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8573 df_lr_bb_local_compute, df_lr_bb_local_compute,
8574 df_chain_create_bb): Cleanup to use proper macros.
8575 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8576 code to fixup bitvectors.
8577 (df_ri_alloc): Cleared lifetime.
8578 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8579 df_create_unused_note): New function.
8580 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8581 REG_DEAD and REG_UNUSED notes as well as register information.
8582 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8583 df_chains_dump): Fixed crash if problem was never run.
8584 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8585 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8586 df_ri_add_problem): Processes flags in uniform manner.
8587 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8588 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8589 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8590 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8591 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8592 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8593 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8594 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8595 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8596 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8597 * see.c (see_initialize_data): Ditto.
8598 * final.c (rest_of_clean_state) Added regstack_completed.
8599 * rtl.h (regstack_completed): Ditto.
8600 * reg-stack.c (regstack_completed): Ditto.
8602 2006-05-19 Mike Stump <mrs@apple.com>
8604 * c-tree.h (default_conversion): Remove.
8605 * c-common.h (default_conversion): Add.
8607 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8609 * tree-vrp.c (valid_value_p): New function.
8610 (adjust_range_with_scev): Fail if the value of bound is not
8613 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8615 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8616 (mips_fallback_frame_state): Use syscall numbers to determine
8617 the appropriate li instruction for the current ABI. Only use
8618 __NR_sigreturn for o32.
8620 2006-05-19 Nicolas Setton <setton@adacore.com>
8622 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8623 * langhooks.c (lhd_dwarf_name): New function.
8624 * langhooks-def.h (lhd_dwarf_name): Declare.
8625 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8626 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8628 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8630 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8632 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8633 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8634 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8635 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8636 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8637 determine the size of Wtype, etc.
8638 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8639 (swfloatfuncs): New variable.
8640 (dwfloatfuncs): Likewise.
8641 (lib2funcs): Remove floating-point conversion functions from
8642 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8643 the set of conversion routines needed. Allow entries to specify
8644 an object name, filename and word size. Update users accordingly.
8645 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8646 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8650 2006-02-08 Roger Sayle <roger@eyesopen.com>
8653 * config/fixtfdi.c: New libgcc source file.
8654 * config/fixunstfdi.c: New source file.
8655 * config/floatditf.c: New source file.
8656 * config/floatunditf.c: New souce file.
8657 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8658 files above instead of config/mips/_tilib.c.
8659 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8661 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8663 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8664 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8666 2006-05-18 Mike Stump <mrs@apple.com>
8668 Fix up vla, vm and [*] sematics.
8674 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8675 (c_vla_unspec_p): Add.
8676 (c_vla_type_p): Add.
8677 * c-decl.c (struct c_scope): Add had_vla_unspec.
8678 (build_array_declarator): Add support for [*].
8679 (grokdeclarator): Likewise.
8680 (grokparms): Likewise.
8681 (get_parm_info): Likewise.
8682 * c-objc-common.c (c_vla_unspec_p): Likewise.
8683 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8684 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8685 typeof when argument is a variably modified type not inside sizeof or alignof.
8686 (c_parser_direct_declarator_inner): Propagate errors.
8687 (c_parser_sizeof_expression): Add support for [*].
8688 (c_parser_parms_declarator): Initialize had_vla_unspec.
8689 (c_parser_parms_list_declarator): Likewise.
8690 * c-typeck.c (c_vla_type_p): Add.
8691 (composite_type): Add support for vla compositing.
8692 (comptypes_internal): Add support for vla compatibility.
8693 (c_expr_sizeof_expr): Evaluate vla arguments.
8694 * tree.c (variably_modified_type_p): Update comment for [*].
8696 2006-05-18 Michael Matz <matz@suse.de>
8699 * config.host: Make assignments to host_xmake_file cumulative.
8700 * config.host (*-darwin*): Test $host, not $target.
8702 2006-05-12 Stuart Hastings <stuart@apple.com>
8704 * config/i386/i386.opt (-mstackrealign): New flag.
8705 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8706 (ix86_handle_cconv_attribute): Emit error when
8707 force_align_arg_pointer attribute collides with too many regparms.
8708 (ix86_function_regparm): Limit regparms when used with
8709 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8710 Support stack-realigning prologue in non-main functions. Emit
8711 warning for nested functions under -mstackrealign, emit error for
8712 nested functions with force_align_arg_pointer attribute.
8713 * doc/extend.texi (force_align_arg_pointer): Document it.
8714 * doc/invoke.texi (-mstackrealign): Document it.
8716 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8718 PR rtl-optimization/27477
8719 * combine.c (try_combine): Don't split a parallel consisting
8720 of two sets into two individual sets if both sets reference
8723 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8725 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8726 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8728 * doc/options.texi (VarExists): Updated.
8730 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8732 * unwind-dw2.c: Add declarations for uw_update_context and
8734 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8735 detected, advance frame state and context once to skip over stub.
8737 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8741 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8742 Call rewrite_into_loop_closed_ssa only when something changed.
8743 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8744 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8745 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8746 Test for perfect_nest_p here. Fix formating.
8747 (replace_uses_equiv_to_x_with_y): Fix formating.
8748 (stmt_uses_op): Removed.
8749 (can_convert_to_perfect_nest): Removed loopivs parameter.
8750 Complete the test by checking the scalar dependences.
8751 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8754 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8757 From Dan Kegel <dank@kegel.com>:
8758 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8760 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8762 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8763 if the element type is variably modified without recursing.
8765 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8768 * tree-loop-linear.c (try_interchange_loops): Test for
8769 no data dependences.
8771 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8773 PR tree-optimization/27548
8774 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8775 range of ssa names that appear on abnormal edges.
8776 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8777 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8779 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8782 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8784 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8787 * tree.h (OMP_PARALLEL_COMBINED): Define.
8788 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8789 (new_omp_context): Add is_combined_parallel argument.
8790 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8791 new_omp_context caller.
8792 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8793 Adjust gimplify_scan_omp_clauses callers.
8794 (omp_is_private): Issue errors if iteration variable is firstprivate
8795 or reduction in the current context.
8796 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8797 on combined parallel workshare constructs.
8799 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8801 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8802 (gcc-options.o): New rule.
8804 * optc-gen.awk: Protect variables for gcc-options.o with
8805 #ifdef GCC_DRIVER/#endif.
8807 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8809 Fix PR tree-optimization/27373
8810 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8811 (forward_propagate_addr_expr): Update call.
8813 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8815 * doc/options.texi: Move the Negative option.
8817 2006-05-16 Richard Guenther <rguenther@suse.de>
8819 PR tree-optimization/22303
8820 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8822 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8823 ccp_fold did not simplify the statement.
8825 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8828 * Makefile.in (GCC_OBJS): New.
8829 (OBJS-common): Add opts-common.o.
8830 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8831 (cpp$(exeext)): Likewise.
8832 (gcc.o): Also depend on opts.h.
8833 (opts-common.o): New.
8835 * common.opt (gcoff): Add Negative(gdwarf-2).
8836 (gdwarf-2): Add Negative(gstabs).
8837 (gstabs): Add Negative(gstabs+).
8838 (gstabs+): Add Negative(gvms).
8839 (gvms): Add Negative(gxcoff).
8840 (gxcoff): Add Negative(gxcoff+).
8841 (gxcoff+): Add Negative(gcoff).
8842 * config/i386/i386.opt (m32): Add Negative(m64).
8843 (m64): Add Negative(m32).
8845 * doc/options.texi: Document the Negative option.
8847 * gcc.c: Include "opts.h".
8848 (main): Call prune_options after expandargv.
8850 * optc-gen.awk: Generate common declarations for all flag
8851 variables in options.c. Output the neg_index field.
8853 * opts.c (find_opt): Moved to ...
8854 * opts-common.c: Here. New file.
8856 * opts.h (cl_option): Add a neg_index field.
8858 (prune_options): Likewise.
8860 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8863 * omp-low.c (expand_omp_parallel): Don't assert
8864 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8865 instead search for it.
8868 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8871 2006-05-16 Andreas Schwab <schwab@suse.de>
8873 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8876 2006-05-15 Roger Sayle <roger@eyesopen.com>
8879 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8880 integer constants other than zero are only legitimate on TARGET_64BIT.
8881 <CONST_VECTOR> Only zero vectors are legitimate.
8882 (ix86_cannot_force_const_mem): Integral and vector constants can
8883 always be put in the constant pool.
8885 2006-05-16 DJ Delorie <dj@redhat.com>
8887 * crtstuff.c (__dso_handle): Set section from
8888 TARGET_LBIGCC_SDATA_SECTION if defined.
8889 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8890 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8892 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8895 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8898 2006-05-16 Ben Elliston <bje@au.ibm.com>
8900 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8902 2006-05-15 Per Bothner <per@bothner.com>
8904 * tree.c: (last_annotated_node): Use source_locus typedef.
8905 This permits bootstrapping with --enable-mapped-location.
8907 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8909 PR tree-optimization/26830
8910 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8911 (info_for_ssa_name, current_info_for_ssa_name_age,
8912 blocks_to_update): New variables.
8913 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8914 (clear_ssa_name_info, initialize_flags_in_bb,
8915 mark_block_for_update): New functions.
8916 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8917 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8918 prepare_def_site_for): Use mark_block_for_update.
8919 (mark_def_interesting): Assert that the processed block is marked in
8920 blocks_to_update. Do not take blocks argument.
8921 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8923 (rewrite_update_init_block, rewrite_update_stmt): Only process
8924 blocks with statements to rewrite.
8925 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8926 (update_ssa): Initialize and free blocks_to_update. Do not
8927 clear flags on statements. Do not use blocks bitmap.
8928 * tree.h (SSA_NAME_AUX): Removed.
8929 (struct tree_ssa_name): Removed aux field.
8930 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8932 2006-05-15 Richard Guenther <rguenther@suse.de>
8934 PR tree-optimization/27603
8935 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8936 Do computations in original type.
8938 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8940 * see.c: Code style changes such as redundant paranthesis,
8941 redundant intialization of local variables etc.
8942 (see_main): Declared now as static.
8943 * doc/invoke.texi: Update that -fsee is not enabled by
8946 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8948 * omp-low.c (check_omp_nesting_restrictions): New function.
8949 (scan_omp_1): Call it.
8952 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8953 construct, return *VAR.
8955 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8957 PR rtl-optimization/27406
8958 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8961 2006-05-14 Roger Sayle <roger@eyesopen.com>
8963 PR rtl-optimization/27538
8964 * combine.c (expand_compound_operation): Call gen_lowpart
8965 before calling simplify_shift_const.
8967 2006-05-14 Roger Sayle <roger@eyesopen.com>
8969 PR rtl-optimization/22563
8970 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8971 a fixed width bitfield, always force the intermediates into psuedos.
8973 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8976 * mkconfig.sh: Use operator = instead of == for test.
8978 2006-05-13 Nick Clifton <nickc@redhat.com>
8980 * dwarf2out.c (dbx_reg_number): Check return value from
8981 LEAF_REG_REMAP and only use it if it is valid.
8982 (multiple_reg_loc_descriptor): Likewise.
8984 2006-05-13 Richard Guenther <rguenther@suse.de>
8986 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8989 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8991 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8992 information attached to non-INSNs such as NOTEs.
8993 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8995 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8997 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8999 * config/s390/s390.md: Adjust comment describing On constraint.
9001 2006-05-11 Jan Hubicka <jh@suse.cz>
9003 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9004 to be output at -O0.
9006 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9009 * fold-const.c (size_binop): Move sanity check for arguments to
9010 the beginning of the function.
9013 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9016 2006-05-11 Richard Guenther <rguenther@suse.de>
9019 * fold-const.c (fold_unary): Handle intermediate conversion
9020 to a pointer type like intermediate conversion to an integer
9021 type in folding of (T1)(T2)var to var.
9022 Match the code to the comment in the final conversion for
9023 (T1)(T2)var to (T1)var regarding to type precision. Rather
9024 than disallow T1 being of pointer type, assert that both T1
9025 and var are of pointer type or not. Make sure not to fall
9026 over the frontends lazyness wrt array to pointer decay though.
9028 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9030 * arm.c (arm_struct_value_rtx): Delete.
9031 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9032 (arm_init_cumulative_args): Always initialize nregs to zero.
9034 2006-05-10 Richard Guenther <rguenther@suse.de>
9036 PR tree-optimization/27532
9037 * tree-object-size.c (plus_expr_object_size): Fix typo.
9039 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9042 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9043 ashrdi_const, ashrdi3): Use a scratch register.
9045 2006-05-10 Richard Guenther <rguenther@suse.de>
9047 PR tree-optimization/27302
9048 * fold-const.c (operand_equal_p): For two comparisons,
9049 try comparison of one comparison code swapped if that yields
9052 2006-05-10 Ben Elliston <bje@au.ibm.com>
9054 * tree-pretty-print.c (pretty_print_string): No need to handle
9055 '\0' as a special character.
9057 * tree.h: Include "hashtab.h".
9058 (iterative_hash_expr): Use hashval_t in its prototype.
9059 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9061 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9064 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9065 (hppa*64*-*-hpux11*): Ditto.
9066 (hppa[12]*-*-hpux11*): Ditto.
9068 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9071 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9073 2006-05-09 Michael Matz <matz@suse.de>
9075 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9076 host_extra_gcc_objs and host_xmake_file.
9077 (<*-*-linux*>): Don't overwrite host_xmake_file.
9078 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9079 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9080 (host_detect_local_cpu): Declare.
9081 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9082 * config/i386/i386.c (override_options): Handle -mtune=native
9084 * config/i386/x-i386: New file.
9085 * config/i386/driver-i386.c: New file.
9086 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9089 2006-05-09 Dirk Mueller <dmueller@suse.de>
9090 Richard Guenther <rguenther@suse.de>
9093 * fold-const.c (fold_read_from_constant_string): Relax check
9094 for matching types to matching modes.
9096 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9098 PR rtl-optimization/27335
9099 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9102 2006-05-08 Chao-ying Fu <fu@mips.com>
9103 Richard Sandiford <richard@codesourcery.com>
9105 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9106 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9107 * config/mips/mips.md (UNSPEC_SCC): New constant.
9108 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9109 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9110 (mips_emit_compare): Use it.
9111 (mips_expand_vcondv2sf): New function.
9113 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9115 Fix PR tree-optimization/27093
9116 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9117 renaming when they become not-used_alone.
9119 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9121 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9122 relocation and relocation stubs.
9124 2006-05-08 Eric Christopher <echristo@apple.com>
9126 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9129 2006-05-08 Jan Hubicka <jh@suse.cz>
9132 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9133 unused static functions are needed.
9135 2006-05-08 Roger Sayle <roger@eyesopen.com>
9138 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9139 of a reg_equiv_constant if the result is a legitimate constant.
9141 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9144 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9145 standard 80387 constants, raise the cost to prevent
9146 compress_float_constant() to generate load from memory.
9148 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9150 * config/arm/constraints.md (c): Fix a typo.
9152 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9155 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9158 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9160 (_mm_mwait): Likewise.
9162 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9164 (sse3_monitor): Make it 32bit only.
9165 (sse3_monitor64): New. 64bit monitor.
9167 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9170 * config/i386/i386.c (classify_argument): Skip fields with invalid
9173 2006-05-07 Richard Guenther <rguenther@suse.de>
9175 PR tree-optimization/27409
9176 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9177 Do not try to find zero-sized subvars.
9179 2006-05-07 Richard Guenther <rguenther@suse.de>
9181 PR tree-optimization/27136
9182 * tree-ssa-loop-niter.c (get_val_for): Correct function
9183 comment, assert requirements.
9184 (loop_niter_by_eval): Stop processing if the iterated
9185 value did not simplify.
9187 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9189 * opts.c (flag_see): remove its setting at -O3.
9191 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9193 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9194 * arm/constraints.md: New file.
9195 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9196 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9197 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9198 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9199 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9200 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9201 * arm.md: Include constraints.md.
9202 (thumb_movsi_insn): Use satisfies_constraint_J.
9203 (movhi, movqi): Use satisfies_constraint_I.
9205 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9207 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9208 for atmeg a645 device.
9210 2006-05-06 Richard Guenther <rguenther@suse.de>
9212 PR tree-optimization/27151
9213 * tree-vect-transform.c (vectorizable_condition): Punt on
9214 values that have a different type than the condition.
9216 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9219 * c-parser.c (c_parser_cast_expression): Only insert casts into
9220 hash table if pointer.
9221 * function.c (used_types_insert_helper): Rename from
9223 (used_types_insert): Call used_types_insert_helper.
9224 * function.h (used_types_insert): Accept only one argument.
9226 2006-05-05 David Edelsohn <edesohn@gnu.org>
9228 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9229 scratch with output modifier.
9231 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9234 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9235 with output modifier.
9237 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9240 * config/mips/mips.c (mips_symbolic_address_p): Return true
9241 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9242 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9244 2006-05-04 Richard Guenther <rguenther@suse.de>
9246 PR tree-optimization/14287
9247 PR tree-optimization/14844
9248 PR tree-optimization/19792
9249 PR tree-optimization/21608
9250 PR tree-optimization/27090
9251 * tree-ssa-pre.c (try_combine_conversion): New function.
9252 (compute_avail): After constructing the value-handle
9253 expression, use try_combine_conversion to combine NOP_EXPRs
9254 with previous value-handle expressions and use the result if it
9257 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9259 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9261 2006-05-04 Jan Hubicka <jh@suse.cz>
9264 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9266 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9268 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9269 that this only matches CONST_INTs. All users changed to VOIDmode
9272 * config/bfin/bfin.c: Include "optabs.h".
9273 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9275 (enum bfin_builtins): Add a number of fractional and vector builtins.
9276 (bfin_init_builtins): Likewise.
9277 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9278 (safe_vector_operand, bfin_expand_binop_builtin,
9279 bfin_expand_unop_builtin): New functions.
9280 (bfin_expand_builtin): Handle the new builtins.
9281 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9284 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9287 * Makefile.in (OBJS-common): Add see.o.
9288 (see.o): Add dependencies.
9289 * common.opt (fsee): New flag for the see optimization was added.
9290 * opts.c (flag_see): Initialized.
9291 * passes.c (init_optimization_passes, pass_see): New pass.
9292 * rtl.h (see_main): Declaration as extern.
9293 * timevar.def (TV_SEE): New.
9294 * tree-pass.h (pass_see): Declaration as extern.
9295 * invoke.texi (-fsee): Document.
9296 * recog.c (validate_simplify_insn): New function.
9297 * recog.h (validate_simplify_insn): Declaration as extern.
9298 * df-problems.c (df_chain_dump): Check for NULL.
9300 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9301 Daniel Berlin <dberlin@dberlin.org>
9303 * cfgrtl.c (insert_insn_bb_end_new): New function.
9304 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9306 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9308 * df.h (struct web_entry): Moved from web.c.
9309 (union_defs): Declaration as extern.
9310 (unionfind_root): Likewise.
9311 (unionfind_union): Likewise.
9312 * web.c (struct web_entry): Moved to df.h.
9313 (unionfind_root): Remove static declaration.
9314 (unionfind_union): Likewise.
9315 (union_defs): Likewise and generalize to use callback function.
9316 (web_main): Update arguments for union_defs function call.
9318 2006-05-04 Richard Guenther <rguenther@suse.de>
9320 PR tree-optimization/26447
9321 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9322 produce SSA_NAME copies before the store stmt to avoid
9323 breaking exception handling.
9325 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9328 * gimplify.c (omp_is_private): If var is shared in some outer context,
9329 return false instead of true. Stop searching on parallel context
9332 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9335 * coverage.c: Use get_gcov_unsigned_t() instead of
9336 unsigned_type_node all over.
9338 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9340 PR tree-optimization/27381
9341 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9342 maintain the same immediate_use links.
9343 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9344 node rather than segfaulting.
9346 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9349 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9350 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9351 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9353 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9355 Fix PR tree-optimization/26626
9356 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9358 * tree-ssa-operands.c (access_can_touch_variable): Allow
9359 typecasting through union pointers.
9361 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9364 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9365 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9366 to find if var will be a global variable even in the nested context.
9367 (omp_copy_decl): Only check for global variable at the end, it might
9368 be overridden in outer contexts.
9369 (scan_sharing_clauses): For global variables don't create a field.
9370 (lower_rec_input_clauses): Do nothing for global shared variables.
9371 Emit a barrier at the end of ILIST if there were any decls in both
9372 firstprivate and lastprivate clauses.
9373 (lower_send_clauses): Do nothing for global variables except for
9376 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9378 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9379 of the correct signedness is returned.
9381 2006-05-02 Jeff Law <law@redhat.com>
9383 PR tree-optimization/27364
9384 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9385 multiply expressions.
9387 2006-05-02 Tom Tromey <tromey@redhat.com>
9389 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9391 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9394 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9395 -mthumb -fPIC are used.
9397 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9398 Joshua Kinard <kumba@gentoo.org>
9401 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9402 with 64-bit pointers.
9404 2006-05-02 Paul Brook <paul@codesourcery.com>
9406 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9408 (create_fix_barrier): Check that a suitable barrier location is
9410 (arm_reorg): Include ftmp->address in allowable range of addresses.
9412 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9415 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9418 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9421 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9422 around RESULT_DECL for result passed by reference.
9423 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9424 * omp-low.c (use_pointer_for_field): Don't look at
9425 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9426 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9427 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9428 time or var for passing by reference for
9429 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9430 TREE_ADDRESSABLE variables when passing by reference.
9432 * omp-low.c (dump_omp_region): Fix output formatting.
9435 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9436 (expand_omp_parallel): Likewise.
9437 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9440 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9441 on statement list containing also constructors and destructors.
9442 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9445 * except.c (duplicate_eh_regions): Fix clearing of
9446 cfun->eh->region_array entries.
9448 2006-05-01 DJ Delorie <dj@redhat.com>
9450 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9452 (gcc_cv_objdump): Likewise.
9453 * configure: Regenerated.
9455 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9458 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9459 templates for case 3 and 4.
9461 2006-05-01 DJ Delorie <dj@redhat.com>
9463 * vec.c: Include bconfig.h when appropriate.
9464 * Makefile.in (build/vec.o): Adjust dependencies.
9465 * mkconfig.sh: Make sure config.h isn't used for build machine
9468 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9470 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9472 (mark_phi_for_rewrite): New function.
9473 (insert_phi_nodes_for, mark_use_interesting): Call
9474 mark_phi_for_rewrite.
9475 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9476 (update_ssa): Initialize and free phis_to_rewrite.
9478 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9480 PR rtl-optimization/27291
9481 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9482 folded to a constant.
9484 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9486 PR tree-optimization/27283
9487 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9488 not whole # of iteration descriptions.
9489 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9490 uses abnormal ssa name.
9491 (niter_for_single_dom_exit): Ditto.
9492 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9493 return just the number of iterations.
9495 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9497 PR tree-optimization/27144
9498 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9499 (record_estimate): Only record constant upper bound.
9500 (infer_loop_bounds_from_undefined): Call
9501 compute_estimated_nb_iterations just once.
9502 (proved_non_wrapping_p): Renamed to ...
9503 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9504 (convert_step_widening, scev_probably_wraps_p): Call
9505 n_of_executions_at_most instead of proved_non_wrapping_p.
9506 (substitute_in_loop_info): Do not replace values in bounds.
9507 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9510 2006-05-01 Richard Henderson <rth@redhat.com>
9513 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9514 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9517 2006-05-01 Roger Sayle <roger@eyesopen.com>
9519 * c-typeck.c (parser_build_binary_op): Don't call the function
9520 unsigned_conversion_warning to spot operand/result type overflow.
9521 (build_binary_op): Instead, call convert_and_check instead of
9522 convert to report the problem when the operands are promoted.
9523 * c-common.c (unsigned_conversion_warning): Make static.
9524 * c-common.h (unsigned_conversion_warning): Delete prototype.
9526 2006-05-01 Richard Guenther <rguenther@suse.de>
9528 PR tree-optimization/26726
9529 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9531 (find_interesting_uses_address): ... we work around here
9532 by folding INDIRECT_REFs in the substituted base.
9534 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9536 * omp-low.c (dump_omp_region): Add newlines.
9538 2006-04-30 Roger Sayle <roger@eyesopen.com>
9540 * common.opt (Woverflow): New command line option.
9541 * c-common.c (constant_expression_warning): Check warn_overflow.
9542 (overflow_waring): Pass OPT_Woverflow to warning.
9543 (unsigned_conversion_warning): Likewise.
9544 (convert_and_check): Likewise.
9545 * doc/invoke.texi: Document new command line option.
9547 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9549 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9550 TARGET_NO_FP_IN_TOC for section anchors.
9551 (optimization_options): Enable section anchors for all
9552 non-"Objective" languages.
9554 2006-04-28 Eric Christopher <echristo@apple.com>
9556 * config/darwin-c.c (darwin_ms_struct): Move this
9557 (darwin_set_default_type_attributes): and this...
9558 * config/darwin.c: ... here.
9559 * config/darwin.h (darwin_ms_struct): Declare.
9561 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9565 2006-04-28 Roger Sayle <roger@eyesopen.com>
9568 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9569 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9570 an unsigned HOST_WIDE_INT.
9571 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9573 (really_start_incremental_init): No need to call convert because
9574 bitsize_zero_node is already of type bitsizetype.
9575 (push_init_level): Extract the value of constructor_index as an
9576 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9577 (process_init_element): Likewise.
9579 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9581 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9582 value before passing to make_relative_prefix.
9584 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9587 * builtins.c (expand_builtin_memset): Expand val in original mode.
9589 2006-04-27 Eric Christopher <echristo@apple.com>
9591 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9592 with #ifndef/#endif.
9593 * config/darwin-c.c (darwin_ms_struct): New.
9594 (darwin_pragma_ms_struct): Ditto.
9595 (darwin_set_default_type_attributes): Ditto.
9596 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9597 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9598 Register ms_struct pragma.
9599 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9600 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9601 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9602 darwin_set_default_type_attributes if TARGET_MACHO.
9604 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9606 PR tree-optimization/26854
9607 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9608 * doc/tree-ssa.texi: Update immuse iterator documentation.
9609 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9610 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9611 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9612 first_safe_imm_use, next_safe_imm_use): Remove.
9613 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9614 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9615 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9616 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9617 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9618 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9619 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9620 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9621 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9622 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9623 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9624 (perfect_nestify): Use new iterator.
9625 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9627 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9628 (next_imm_name): New field in struct immediate_use_iterator_d.
9629 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9630 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9631 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9632 * tree-cfg.c (replace_uses_by): Use new iterator.
9633 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9634 * tree-ssa-operands.c (correct_use_link): Remove.
9635 (finalize_ssa_use_ops): No longer call correct_use_link.
9637 2006-04-27 Stuart Hastings <stuart@apple.com>
9639 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9640 * config/t-darwin (crt3.o): Use it.
9641 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9642 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9643 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9644 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9645 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9648 2006-04-27 Roger Sayle <roger@eyesopen.com>
9650 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9651 size, force the intermediate into a new pseudo rather instead of
9652 performing both a bitwise AND and a bitwise IOR in memory.
9654 2006-04-27 Richard Guenther <rguenther@suse.de>
9656 PR rtl-optimization/26685
9657 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9658 this one "max-flow-memory-locations".
9660 2006-04-27 Richard Guenther <rguenther@suse.de>
9662 PR tree-optimization/25148
9663 * tree-vrp.c (compare_values): Remove code dealing with
9664 comparisons against type min/max value. Honour overflow
9665 and negative constants in code dealing with comparisons
9666 of plus and minus expressions.
9667 (value_inside_range): Use fold_binary with LE_EXPR and
9668 GE_EXPR rather than compare_values.
9670 2006-04-27 Dirk Mueller <dmueller@suse.de>
9672 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9675 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9677 * basic-block.h (safe_insert_insn_on_edge): Removed.
9678 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9680 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9681 Paolo Bonzini <bonzini@gnu.org>
9684 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9685 (simplify_and_const_int): Same.
9687 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9689 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9691 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9694 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9695 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9696 cgraph_global_info_ready.
9699 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9702 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9703 either decl or init is error_mark_node.
9706 * tree-flow.h (struct omp_region): Add sched_kind.
9707 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9708 instead of extracting omp for data.
9709 (expand_omp_for): Save extracted sched_kind.
9711 2006-04-25 Roger Sayle <roger@eyesopen.com>
9713 * expmed.c (store_bit_field): Also check whether the bitsize is
9714 valid for the machine's "insv" instruction before moving the
9715 target into a pseudo for use with the insv.
9716 * config/i386/predicates.md (const8_operand): New predicate.
9717 * config/i386/i386.md (extv, extzv, insv): Use the new
9718 const8_operand predicate where appropriate.
9720 2006-04-25 DJ Delorie <dj@redhat.com>
9722 * doc/install.texi (Specific): Clarify that this is not a list of
9723 supported hosts or targets.
9725 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9727 PR rtl-optimization/26725
9728 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9729 block's BB_DIRTY flag.
9731 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9733 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9736 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9737 to print an integer.
9739 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9741 * varasm.c (align_variable): New function.
9742 (get_block_for_decl): Apply align_variable to DECL before
9743 calculating section information.
9744 (assemble_variable): Split out alignment computation.
9746 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9748 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9751 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9753 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9754 MODE_PARTIAL_INT mode.
9755 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9756 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9758 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9759 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9761 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9763 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9765 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9766 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9767 MACFLAG_IH): Likewise.
9768 (movstricthi_1): Renamed from "*movstricthi".
9769 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9770 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9771 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9772 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9773 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9774 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9775 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9776 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9777 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9778 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9779 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9780 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9781 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9782 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9783 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9785 * doc/rtl.texi (ss_ashift): Improve wording.
9787 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9789 * dwarf2out.c (verify_marks_clear): New.
9790 (prune_unused_types): Call verify_marks_clear initially, not
9793 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9795 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9796 * doc/rtl.texi: Document them.
9797 * simplify-rtx.c (simplify_unary_operation,
9798 simplify_binary_operation_1): Don't abort when we see them.
9800 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9803 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9804 * configure.ac: Completely disregard languages that are not
9806 * configure: Regenerated.
9808 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9809 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/27236
9812 * tree-inline.c (copy_body_r): Make sure to copy
9813 TREE_THIS_VOLATILE flag.
9815 2006-04-24 Richard Guenther <rguenther@suse.de>
9818 * tree-complex.c (update_parameter_components): Don't handle
9819 unused parameters which have no default def.
9821 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9822 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/27218
9825 * tree-inline.c (expand_call_inline): Strip useless type
9826 conversions for the return slot address.
9828 2006-04-24 Richard Guenther <rguenther@suse.de>
9830 * cfgloop.h (struct loops): Remove unused field array. Reorder
9832 (LOOP_PREFETCH): Remove.
9834 2006-04-24 Richard Guenther <rguenther@suse.de>
9836 PR tree-optimization/22525
9837 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9838 variable, adjust types of generated expressions.
9840 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9842 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9843 (tree-vect-patterns.o): Likewise.
9845 (cselib.o): Likewise.
9846 (loop-doloop.o): Likewise.
9847 (regclass.o): Likewise.
9848 (reload1.o): Likewise.
9849 (explow.o): Replace target.h with $(TARGET_H).
9850 (ipa-prop.o): Likewise.
9851 (ipa-cp.o): Likewise.
9852 (ipa-inline.o): Likewise.
9853 (reorg.o): Likewise.
9854 (reg-stack.o): Likewise.
9856 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9858 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9860 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9862 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9864 * configure.ac: Completely disregard languages that are not
9866 * configure: Regenerated.
9869 * c-common.h (c_build_bitfield_integer_type): Declare.
9870 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9871 * c-common.c (c_build_bitfield_integer_type): ... here.
9873 2006-04-23 Roger Sayle <roger@eyesopen.com>
9876 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9877 a SImode SUBREG of a floating point register after no_new_pseudos.
9879 2006-04-23 Roger Sayle <roger@eyesopen.com>
9881 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9882 identify potentially eliminable registers to additionally catch
9883 VIRTUAL_INCOMING_ARGS_REGNUM.
9884 (addsi3): Update the conditions on when to use addsi_small_int.
9886 2006-04-23 Roger Sayle <roger@eyesopen.com>
9889 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9890 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9891 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9893 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9895 * fold-const.c (range_predecessor): Use operand_equal_p
9896 as the predicate for equality.
9897 (range_successor): Likewise.
9899 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9902 * config/soft-fp/op-common.h: Fix a typo.
9904 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9907 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9908 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9910 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9912 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9914 * doc/tm.texi: Fix a typo.
9916 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9918 * dwarf2out.c (struct die_struct): Document that die_sib makes
9919 a circular linked list.
9920 (FOR_EACH_CHILD): New.
9921 (reverse_die_lists): Delete.
9922 (reverse_all_dies): Delete.
9923 (add_dwarf_attr): Correct documentation.
9924 (remove_child_with_prev): New.
9925 (remove_child_TAG): Update for change to die_struct, use
9926 remove_child_with_prev.
9927 (add_child_die): Update for change to die_struct.
9928 (splice_child_die): Use remove_child_with_prev and add_child_die.
9929 (print_die): Use FOR_EACH_CHILD.
9930 (die_checksum): Likewise.
9931 (assign_symbol_names): Likewise.
9932 (output_location_lists): Likewise.
9933 (build_abbrev_table): Likewise.
9934 (calc_die_sizes): Likewise.
9935 (mark_dies): Likewise.
9936 (unmark_dies): Likewise.
9937 (unmark_all_dies): Likewise.
9938 (output_die): Likewise.
9939 (prune_unused_types_mark): Likewise.
9940 (prune_unused_types_walk): Likewise.
9941 (same_die_p): Update for change to die_struct.
9942 (break_out_includes): Likewise.
9943 (prune_unused_types_prune): Likewise.
9944 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9945 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9947 (dwarf2out_finish): Don't call reverse_all_dies.
9949 2006-04-21 Eric Christopher <echristo@apple.com>
9951 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9952 in comments and function names.
9954 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9957 * c-typeck.c (digest_init): Robustify.
9959 * c-typeck.c (pop_init_level): Simplify.
9961 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9963 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9965 2006-04-21 Paul Brook <paul@codesourcery.com>
9967 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9968 hardware floating point.
9970 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9972 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9975 2006-04-21 Nick Clifton <nickc@redhat.com>
9977 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9980 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9983 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9984 C++ lang type in traceback table for Objective-C++.
9986 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9988 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9990 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9992 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9995 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9996 were errors. Remove check for erroneous objects.
9998 2006-04-20 Jeff Law <law@redhat.com>
10000 PR tree-optimization/26854
10001 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10002 checking for zero or one use.
10003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10004 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10005 * tree-ssa-reassoc.c (negate_value): Similarly.
10006 (reassociate_bb): Similarly.
10008 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10010 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10011 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10012 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10014 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10016 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10017 fp regs if the last fp arg doesn't fit in regs.
10019 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10022 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10023 that the last insn has the REG_INC note.
10025 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10026 Nathan Sidwell <nathan@codesourcery.com>
10029 * stor-layout.c (update_alignment_for_field): Do not align
10031 (place_union_field): Place union field at the start of the union.
10032 (place_field): Move ERROR_MARK check later, and use the current
10033 allocation position to maintain monotonicity.
10035 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10037 * dominance.c: Include timevar.h.
10038 (calculate_dominance_info): Use TV_DOMINANCE.
10039 * timevar.def (TV_DOMINANCE): New timevar.
10040 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10042 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10044 PR rtl-optimization/14261
10045 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10046 move would be an INSV insn.
10047 (noce_process_if_block): Don't optimize if the destination is a
10048 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10050 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10052 * config/s390/s390.md: Add comments with the instructions emitted
10053 by an insn pattern if macros are used.
10055 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10057 PR rtl-optimization/26026
10058 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10059 is a known power of two shifted left a variable amount.
10061 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10063 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10064 to hash table twice when the debug_str section has SECTION_MERGE.
10066 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10068 * config/soft-fp: New directory. From glibc.
10069 * config/soft-fp/t-softfp: New.
10070 * config/soft-fp/README: New.
10071 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10072 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10073 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10074 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10075 * config.gcc: Use rs6000/t-fprules-fpbit or
10076 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10078 * config/rs6000/sfp-machine.h: New. Based on glibc.
10079 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10081 * config/rs6000/t-fprules: Remove fp-bit rules.
10082 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10083 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10084 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10085 (softfp_wrap_start, softfp_wrap_end): New.
10087 2006-04-18 DJ Delorie <dj@redhat.com>
10089 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10091 2006-04-18 Devang Patel <dpatel@apple.com>
10093 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10095 2006-04-18 Nick Clifton <nickc@redhat.com>
10097 * config/sh/t-symbian: Add rule to build sh-c.o
10098 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10099 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10100 (sh_symbian_encode_section_info): Likewise.
10102 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10104 * builtins.c (expand_builtin_strcmp): Cover label definition of
10105 do_libcall with HAVE_cmpstrnsi.
10107 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10109 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10111 * function.h (temp_slot_p): New.
10112 (function): Change the type of x_used_temp_slots to
10113 VEC(temp_slot_p,gc) *.
10115 2006-04-18 Nick Clifton <nickc@redhat.com>
10117 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10118 flag_strength_reduce.
10120 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10122 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10126 Partial revert of revision 112637
10127 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10128 Dale Johannesen <dalej@apple.com>
10131 * regclass.c (struct reg_pref): Update documentation.
10132 (regclass): Set prefclass to NO_REGS if memory is the best option.
10133 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10135 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10137 PR tree-optimization/26821
10138 * tree-ssa-math-opts.c (get_constant_one): New.
10139 (insert_reciprocals): Use it.
10141 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10143 * dwarf2out.c (free_AT): Delete.
10144 (remove_AT): Update string ref counts.
10145 (remove_child_TAG): Don't call free_die.
10146 (free_die): Delete.
10147 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10148 or DW_TAG_GNU_EINCL.
10149 (prune_unused_types_walk_attribs): Reset string refcounts.
10150 (prune_unused_types_update_strings): New.
10151 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10152 call free_die. Do call prune_unused_types_update_strings.
10153 (prune_unused_types): Empty debug_str_hash.
10155 2006-04-17 Roger Sayle <roger@eyesopen.com>
10157 * expr.c (expand_assignment): Optimize away no-op moves where the
10158 source and destination are equal and have no side-effects.
10160 2006-04-17 Richard Guenther <rguenther@suse.de>
10163 * reload.c (push_reload): Guard calls to get_secondary_mem
10164 for memory subregs.
10166 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10168 * alias.c (reg_base_value, old_reg_base_value): Change the
10169 type to VEC(rtx,gc) *.
10170 (REG_BASE_VALUE, find_base_value, record_set,
10171 init_alias_analysis): Use VEC instead of VARRAY.
10173 * alias.c (alias_sets): Change the type to
10174 VEC(alias_set_entry,gc) *.
10175 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10176 VEC instead of VARRAY.
10177 (last_alias_set): Remove.
10179 * cgraph.h (cgraph_edge_p): New.
10180 Update the prototype of cgraph_function_versioning.
10181 * cgraphunit.c (cgraph_copy_node_for_versioning,
10182 cgraph_function_versioning): Use VEC instead of VARRAY.
10183 * ipa-cp.c (ipcp_insert_stage): Likewise.
10185 2006-04-16 Roger Sayle <roger@eyesopen.com>
10188 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10189 "A op B" or "A op C", we may need to convert A to the type of B and C.
10191 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10193 * target.h (struct gcc_target): Add mode_rep_extended.
10194 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10195 (init_num_sign_bit_copies_in_rep): Initialize it using
10197 (truncate_to_mode): Use it.
10198 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10199 * targhooks.h (default_mode_rep_extended): Declare it.
10200 * targhooks.c (default_mode_rep_extended): Define it.
10201 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10202 default_mode_rep_extended.
10203 (TARGET_INITIALIZER): Include it.
10204 * doc/tm.texi (Misc): Document it.
10205 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10206 (mips_truncated_to_mode): New function.
10208 2006-04-16 Roger Sayle <roger@eyesopen.com>
10210 PR middle-end/25474
10211 * expr.c (compress_float_constant): Copy the narrow constant into
10212 a new pseudo before extending it to its final width.
10214 2006-04-16 Roger Sayle <roger@eyesopen.com>
10215 Andrew Pinski <pinskia@gcc.gnu.org>
10216 Dale Johannesen <dalej@apple.com>
10219 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10220 special case code to implement V8HImode and V16QImode with SSE2.
10222 2006-04-15 Roger Sayle <roger@eyesopen.com>
10224 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10225 trees are constructed with a suitable tree type.
10227 2006-04-15 Roger Sayle <roger@eyesopen.com>
10229 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10230 (integer_onep): Likewise.
10231 (integer_all_onesp): Likewise.
10232 (integer_pow2p): Likewise.
10233 (integer_nonzerop): Likewise.
10234 (real_zerop): Likewise.
10235 (real_onep): Likewise.
10236 (real_twop): Likewise.
10237 (real_minus_onep): Likewise.
10238 (int_size_in_bytes): Likewise.
10239 (host_integerp): Likewise.
10241 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10243 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10244 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10245 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10247 * tree-ssa-structalias.h (alias_info): Remove num_references.
10249 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10251 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10252 (output_bvb patterns): Likewise.
10253 * pa.c (output_bb): Use 'bb' insn for long branch case.
10254 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10255 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10256 1. Correct length operand for alternatives 1 and 2.
10257 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10258 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10260 2006-04-14 Roger Sayle <roger@eyesopen.com>
10262 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10263 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10264 were accidentally reverted by r112959.
10266 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10268 PR middle-end/26823
10269 * except.h (eh_region_outermost): New prototype.
10270 * except.c (eh_region_outermost): New function.
10271 * tree-cfg.c (find_outermost_region_in_block): Use it.
10273 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10275 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10277 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10278 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10279 (init_reload, reload): Use VEC instead of VARRAY.
10280 * reload.h: Update the prototype for
10281 reg_equiv_memory_loc_varray.
10283 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10284 Eric Botcazou <ebotcazou@libertysurf.fr>
10286 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10287 register save area.
10289 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10291 PR middle-end/27134
10292 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10293 to expand fallback builtin function call.
10295 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10297 PR middle-end/27095
10298 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10299 and emit libcall here in case the builtin fails.
10300 (expand_builtin_strcmp): Always emit the libcall here on failure.
10302 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10304 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10305 * flow.c (reg_n_info): Change the type to
10306 VEC(reg_info_p,heap) *.
10307 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10309 * regs.h (reg_info_p): New.
10310 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10311 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10312 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10315 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10317 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10319 * params.h (MAX_SCHED_READY_INSNS): New macro.
10320 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10321 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10322 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10323 the ready list for 1 cycle during the first scheduling pass.
10324 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10326 2006-04-13 Richard Henderson <rth@redhat.com>
10329 * gimple-low.c (lower_omp_directive): Remove dead code.
10330 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10331 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10332 * omp-low.c (struct omp_region): Move to tree-flow.h.
10333 (root_omp_region): Export.
10334 (omp_regions, lookup_omp_region): Remove.
10335 (determine_parallel_type): Update for struct omp_region changes.
10336 (dump_omp_region): Dump regions with block numbers.
10337 (new_omp_region): Take type and block instead of stmt; malloc
10339 (free_omp_region_1, free_omp_regions): New.
10340 (expand_parallel_call): Take entry_stmt as argument; update for
10341 changes to omp_region.
10342 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10343 (remove_exit_barriers): New.
10344 (expand_omp_parallel): Update for struct omp_region changes.
10345 (expand_omp_synch): Likewise.
10346 (expand_omp): Likewise.
10347 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10348 (expand_omp_for_static_chunk): Likewise.
10349 (expand_omp_for): Likewise.
10350 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10351 (expand_omp_sections): Similarly, with GOMP_sections_end.
10352 (expand_omp_single): New.
10353 (build_omp_regions_1): Update for OMP_CONTINUE.
10354 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10355 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10356 OMP_SECTIONS_SECTIONS.
10357 (lower_omp_single_simple): Don't emit barrier here.
10358 (lower_omp_single_copy): Likewise.
10359 (lower_omp_single): Fix bindings, and lower to straightline now.
10360 (lower_omp_master, lower_omp_ordered): Likewise.
10361 (lower_omp_critical): Likewise.
10362 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10363 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10364 omp edges, free it afterward.
10365 (make_omp_sections_edges): Remove.
10366 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10367 (move_stmt_r): Handle OMP_CONTINUE.
10368 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10369 statement pointers to basic blocks. Add type member.
10370 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10371 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10372 * tree-inline.c (estimate_num_insns_1): Likewise.
10373 * tree-pretty-print.c (dump_generic_node): Likewise.
10374 * tree-ssa-operands.c (get_expr_operands): Likewise.
10375 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10376 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10377 (OMP_CONTINUE): New.
10378 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10379 (OMP_SECTIONS_SECTIONS): Remove.
10380 (OMP_SECTION_LAST): New.
10381 (OMP_RETURN_NOWAIT): New.
10383 2006-04-13 Roger Sayle <roger@eyesopen.com>
10385 * fold-const.c (native_encode_vector, native_interpret_real):
10386 Correct obvious mistakes in the previous check-in.
10388 2006-04-13 Roger Sayle <roger@eyesopen.com>
10390 * fold-const.c (native_encode_expr): New function to encode
10391 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10392 or VECTOR_CST into a specified buffer.
10393 (native_encode_int): New function.
10394 (native_encode_real): New function.
10395 (native_encode_complex): New function.
10396 (native_encode_vector): New function.
10397 (native_interpret_expr): Inverse of native_encode_expr to convert
10398 a target representation into an INTEGER_CST, REAL_CST etc...
10399 (native_interpret_int): New function.
10400 (native_interpret_real): New function.
10401 (native_interpret_complex): New function.
10402 (native_interpret_vector): New function.
10403 (fold_view_convert_expr): New function to constant fold/evaluate
10404 a VIEW_CONVERT_EXPR of a suitable constant expression.
10405 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10406 Change call of build1 to fold_build1 when constructing a
10409 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10410 Ulrich Weigand <uweigand@de.ibm.com>
10413 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10416 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10419 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10420 optimize to lo_sum for DFmode if !TARGET_FPRS.
10422 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10424 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10425 delete_alias_info, compute_flow_sensitive_aliasing,
10426 group_aliases): Use VEC instead of VARRAY.
10427 * tree-ssa-structalias.c (update_alias_info): Likewise.
10428 * tree-ssa-structalias.h (alias_info): Change the type of
10429 processed_ptrs to VEC(tree,heap) *.
10431 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10434 * config/sh/lib1funcs.h: New file, broken out of:
10435 * config/sh/lib1funcs.asm.
10436 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10438 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10439 * config/sh/lib1funcs-Os-4-200.asm: New file.
10440 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10441 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10442 (EXTRA_MULTILIB_PARTS): Include it.
10443 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10444 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10445 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10446 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10449 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10451 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10452 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10453 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10455 * tree-ssa-live.h: Include vecprim.h.
10456 (tree_partition_associator_d): Change the type of
10457 first_partition to VEC(int,heap) *.
10458 (tpa_first_partition): Use VEC instead of VARRAY.
10460 * Makefile.in (GTFILES): Move functions.h after tree.h.
10461 * function.c (reset_block_changes, record_block_change,
10462 check_block_change, free_block_changes): Use VEC instead of
10464 * function.h (function): Change the type of
10465 ib_boundaries_block to VEC(tree,gc) *.
10466 * tree-inline.c (copy_cfg_body): Initialize
10467 ib_boundaries_block to NULL instead of (varray_type) 0.
10469 2006-04-12 Roger Sayle <roger@eyesopen.com>
10471 * expr.c (emit_group_store): Correct operand order in call to
10472 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10473 a SUBREG_BYTE of zero.
10475 2006-04-12 Richard Guenther <rguenther@suse.de>
10477 * profile.c (compute_branch_probabilities): Remove code
10478 encapsulated in !ir_type (), which are remanents of the
10479 removed RTL profiling code.
10480 * rtl-profile.c: Remove.
10482 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10484 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10485 magic NULL_RTX comment.
10486 (function_arg): Store entire fp arg to mem if any part should go
10488 (rs6000_arg_partial_bytes): Adjust for above change.
10490 2006-04-11 Roger Sayle <roger@eyesopen.com>
10492 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10493 if it hasn't been initialized by dwarf2out_init.
10495 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10497 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10498 symbolic constants in branch patterns.
10500 2006-04-11 Roger Sayle <roger@eyesopen.com>
10502 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10504 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10506 PR rtl-optimization/27073
10507 * gcse.c (try_replace_reg): Revert last change. Continue to search
10508 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10511 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10513 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10514 aggregate types other than record and union types.
10515 (function_arg): Likewise.
10516 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10518 (function_value): In 64-bit mode, return objects that require it
10521 2006-04-11 Roger Sayle <roger@eyesopen.com>
10523 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10525 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10527 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10529 2006-04-03 Jeff Law <law@redhat.com>
10532 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10533 alias information too.
10535 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10537 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10539 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10542 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10543 (premark_used_types_helper): New.
10544 (premark_used_types): New.
10545 (gen_subprogram_die): Call premark_used_types.
10546 (prune_unused_types_walk): Do not prune perennial dies.
10547 * function.c (used_types_insert): New.
10548 * function.h (struct function): Add used_types_hash field.
10549 (used_types_insert): Add prototype.
10550 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10551 * c-parser.c (c_parser_cast_expression): Save casted types in used
10554 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10557 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10558 rs6000_explicit_options.float_gprs.
10560 2006-04-10 Roger Sayle <roger@eyesopen.com>
10562 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10563 from ix86_expand_vector_init_low_nonzero. Take an additional
10564 one_var argument indicating which element is non-zero. Support
10565 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10566 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10567 with one_var instead of ix86_expand_vector_init_low_nonzero.
10569 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10571 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10572 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10573 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10574 build/genextract.o): Depend on vecprim.h.
10575 * cfglayout.c, df-problems.c, function.c, genextract.c,
10576 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10577 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10581 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10583 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10584 Declare VECs of this type.
10585 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10586 (remove_children): Delete.
10587 (add_dwarf_attr): Use VEC routines.
10588 (add_AT_flag): Update for changes to add_dwarf_attr.
10589 (add_AT_int): Likewise.
10590 (add_AT_unsigned): Likewise.
10591 (add_AT_long_long): Likewise.
10592 (add_AT_vec): Likewise.
10593 (add_AT_string): Likewise.
10594 (add_AT_die_ref): Likewise.
10595 (add_AT_fde_ref): Likewise.
10596 (add_AT_loc): Likewise.
10597 (add_AT_loc_list): Likewise.
10598 (add_AT_addr): Likewise.
10599 (add_AT_lbl_id): Likewise.
10600 (add_AT_lineptr): Likewise.
10601 (add_AT_macptr): Likewise.
10602 (add_AT_offset): Likewise.
10603 (add_AT_range_list): Likewise.
10604 (get_AT): Use VEC_iterate.
10605 (remove_AT): Use VEC_ordered_remove.
10606 (free_die): Fold remove_children into here; have it use VEC_iterate.
10607 (print_die): Use VEC_iterate on attrs.
10608 (reverse_die_lists): Don't reverse attr lists.
10609 (die_checksum): Use VEC_iterate on attrs.
10610 (same_die_p): Likewise.
10611 (output_location_lists): Likewise.
10612 (build_abbrev_table): Likewise.
10613 (size_of_die): Likewise.
10614 (unmark_all_dies): Likewise.
10615 (output_abbrev_section): Likewise.
10616 (output_die): Likewise.
10617 (prune_unused_types_walk_attribs): Likewise.
10619 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10621 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10623 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10626 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10628 2006-04-09 Roger Sayle <roger@eyesopen.com>
10630 * expr.c (store_constructor): Don't bother clearing target if
10631 we're about to assign a vector to it using vec_init_optab.
10633 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10635 * tree-ssa-alias.c (lhs_may_store_to): New function.
10636 (recalculate_used_alone): Handle LHS of calls.
10638 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10642 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10643 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10644 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10645 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10646 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10647 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10648 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10649 stubs. Add ".align 8" directives before all ".dword" directives.
10650 (GTHREAD_USE_WEAK): Revise comment.
10651 (TARGET_ATTRIBUTE_WEAK): Define.
10652 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10653 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10654 * stublib.c: New file.
10659 * pa.md (cbranch patterns): Revise arguments used in calls to
10660 output_cbranch, output_bb and output_bvd. Add long branch length
10662 (fbranch patterns): Handle long branches.
10663 (jump): Revise length check. Revise arguments for output_lbranch call.
10664 Add long branch length attributes.
10665 (decrement_and_branch_until_zero): Add long branch length attributes.
10666 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10667 Likewise. Revise arguments for output_parallel_addb and
10668 output_parallel_movb calls.
10669 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10670 output_parallel_movb and output_parallel_addb): Update prototypes.
10671 * pa.c (output_cbranch): Revise arguments. Correct handling of
10672 nullification in long branches.
10673 (output_lbranch): Add new argument to control extraction of delay
10675 (output_bb): Handle long branches.
10676 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10677 output_parallel_addb): Likewise.
10679 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10681 PR rtl-optimization/27073
10682 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10685 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10687 * tree.h (tree_memory_tag): Add old_used_alone.
10688 (SMT_OLD_USED_ALONE): New macro.
10689 * tree-ssa-alias.c (recalculate_used_alone): Stop
10690 marking things for renaming unnecessarily.
10692 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10694 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10695 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10696 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10697 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10698 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10699 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10700 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10701 spelling convensions.
10702 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10703 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10704 typos. Follow spelling conventions.
10706 2006-04-07 DJ Delorie <dj@redhat.com>
10708 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10709 passed on the stack.
10710 (m32c_init_cumulative_args): When a function returns a structure,
10711 always pass the pointer to that return area on the stack.
10712 (m32c_function_arg_advance): Don't increment the parameter number
10713 if we're processing the returned structure pointer.
10714 (pushm_info): Reverse order of registers.
10716 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10718 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10719 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10720 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10721 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10722 build_int_cst_type.
10723 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10724 chrec_fold_multiply): Same.
10725 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10726 force_expr_to_var_cost): Same.
10727 * tree-mudflap.c (mf_xform_derefs_1): Same.
10728 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10730 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10732 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10733 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10736 2006-04-07 Jan Hubicka <jh@suse.cz>
10738 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10740 2006-04-07 Richard Guenther <rguenther@suse.de>
10742 PR tree-optimization/26135
10743 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10744 loads for store copy-prop.
10745 (copy_prop_visit_stmt): Likewise.
10747 2006-04-05 Robert Millan <robertmh@gnu.org>
10749 * config/i386/linux.h: Add a comment to mark macros that are
10750 being overriden in config/k*bsd-gnu.h.
10751 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10753 * config/knetbsd-gnu.h: Ditto.
10755 2006-04-06 Jan Hubicka <jh@suse.cz>
10759 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10762 2006-04-06 Mike Stump <mrs@apple.com>
10764 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10765 for HAVE_nonlocal_goto to be consistent.
10766 (expand_builtin_nonlocal_goto): Likewise.
10767 (expand_builtin_strcmp): Use #ifdef instead of #if
10768 for HAVE_cmpstrnsi to be consistent.
10770 2006-04-05 DJ Delorie <dj@redhat.com>
10772 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10775 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10777 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10778 got-relative addressing for anything but SImode.
10780 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10781 even if the calling function doesn't modify them.
10783 2006-04-05 Richard Guenther <rguenther@suse.de>
10785 PR tree-optimization/26919
10786 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10787 to cgraph_estimate_size_after_inlining.
10789 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10791 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10793 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10795 PR tree-optimization/26996
10796 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10797 VECTOR_TYPE variables.
10799 2006-04-05 Richard Guenther <rguenther@suse.de>
10801 PR tree-optimization/26763
10802 * fold-const.c (fold_comparison): Move folding of
10803 PTR + CST CMP PTR + CST ...
10804 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10806 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10808 * doc/install.texi (Prerequisites): Refine some wording on
10809 bootstrapping and ksh.
10810 Move the version numbers of DejaGnu here from the testing section
10811 and fix casing of names.
10812 Fix markup and clarify wording for autogen requirements.
10813 Refer to GCJ instead of just java.
10814 Refer to SVN instead of CVS.
10815 Describe diffutils as useful instead of necessary.
10816 (Downloading the source): Refer to SVN instead of CVS.
10817 Adjust a link to our web site accordingly.
10818 (Configuration): Fix casing of Bison.
10819 (Building): Refer to SVN instead of CVS.
10820 Fix a sentence on the use of Bison and remove duplicate (and
10821 incorrect) version number of Bison requirement.
10822 Remove one redundant list of packages needed for building.
10823 (Specific): Avoid reference to CVS.
10825 2006-04-04 Eric Christopher <echristo@apple.com>
10827 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10828 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10829 (rs6000_handle_struct_attribute): New.
10830 (rs6000_ms_bitfield_layout_p): Ditto.
10832 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10834 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10835 NULL for dso parameter to atexit_common.
10837 2006-04-04 Eric Christopher <echristo@apple.com>
10839 * config/i386/i386.c (machopic_output_stub): Output \t
10840 between instructions and operands.
10842 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10844 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10845 satisfies_constraint_[IL] to explicit tests on value.
10847 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10849 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10850 set_nb_iterations_in_loop): Use build_int_cst instead of
10851 build_int_cst_type.
10852 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10853 build_int_cst instead of convert.
10855 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10857 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10858 new value 2 for incoming.
10859 * function.c (expand_function_start): Call struct_value_rtx
10860 with incoming as 2.
10861 * config/sparc/sparc.md: Comment updated_return.
10862 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10863 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10864 struct return if sparc_std_struct_return and incoming is 2.
10865 (print_operand): Do not adjust return if
10866 sparc_std_struct_return.
10868 2006-04-04 Roger Sayle <roger@eyesopen.com>
10870 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10871 convert in the middle-end.
10872 * expr.c (store_expr, store_constructor, get_inner_reference,
10873 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10875 * tree.c (build_range_type): Likewise.
10877 2006-04-04 Tom Tromey <tromey@redhat.com>
10879 * doc/install.texi (Prerequisites): Mention jar.
10881 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10883 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10886 2006-04-04 Matthias Klose <doko@debian.org>
10888 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10892 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10895 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10897 * doc/extend.texi (Function Attributes): Rewrite visibility
10898 attribute documentation.
10899 * doc/invoke.texi (C++ Dialect Options): Rewrite
10900 -fvisibility-inlines-hidden documentation to describe something
10901 entirely different, although in practise compatible.
10902 (Code Gen Options): Warn about system headers in -fvisibility=
10905 * doc/extend.texi (Other Builtins): Document that
10906 __builtin_nan is a compile-time constant only when its argument
10909 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10911 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10912 trying to remove TRUNCATE check if all bits outside the new mode
10913 are identical to the sign bit.
10915 2006-04-03 Jeff Law <law@redhat.com>
10917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10918 and operand scanning in some common cases.
10920 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10921 Dale Johannesen <dalej@apple.com>
10924 * regclass.c (struct reg_pref): Update documentation.
10925 (regclass): Set prefclass to NO_REGS if memory is the best option.
10926 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10927 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10928 into account. For non-registers, equate an empty preferred
10929 reload class to a `!' in the constraint; move the if clause to
10930 do so after those that reject the insn.
10931 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10933 (find_dummy_reload): Likewise.
10934 * doc/tm.texi (Register Classes): Document what it means
10935 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10936 * config/i386/i386.c (ix86_preferred_reload_class): Force
10937 using SSE registers (and return NO_REGS for floating-point
10938 constants) if math is done with SSE.
10939 (ix86_preferred_output_reload_class): New.
10940 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10941 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10942 * config/i386/i386.md: Remove # register preferences.
10944 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10947 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10948 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10949 the type of nb_iter.
10950 (instantiate_parameters_1): Convert the operands before calling
10951 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10952 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10954 2006-04-02 Roger Sayle <roger@eyesopen.com>
10956 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10957 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10958 instead of convert.
10959 * dojump.c (do_jump): Likewise.
10960 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10961 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10962 gimplify_boolean_expr): Likewise.
10963 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10964 * varasm.c (array_size_for_constructor): Likewise.
10965 * tree-object-size.c (compute_object_offset): Likewise.
10967 2006-04-02 Roger Sayle <roger@eyesopen.com>
10969 PR middle-end/26977
10970 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10971 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10973 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10975 PR tree-optimization/26939
10976 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10978 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10980 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10981 at_stmt. Convert the type of operands before calling
10982 build_polynomial_chrec.
10983 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10984 add_to_evolution_1.
10985 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10986 (instantiate_parameters_1): Convert the type of operands before calling
10987 build_polynomial_chrec.
10988 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10989 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10990 reset_evolution_in_loop): Insert asserts to check the types of the
10992 (chrec_type): Moved...
10993 (eq_evolutions_p): Use operand_equal_p.
10994 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10995 the types of the operands.
10996 (chrec_type): ...here.
10997 * tree-data-ref.c (create_data_ref): Convert the operands before
10998 calling chrec_replace_initial_condition.
10999 (same_access_functions, analyze_subscript_affine_affine,
11000 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11001 (compute_subscript_distance, analyze_ziv_subscript,
11002 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11003 analyze_miv_subscript): Convert the operands before calling
11004 chrec_fold_minus or chrec_fold_plus.
11006 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11008 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11009 the dependence_relations vector.
11010 (compute_data_dependences_for_loop): Adjust call to
11011 compute_all_dependences.
11013 2006-04-01 Roger Sayle <roger@eyesopen.com>
11014 Richard Henderson <rth@redhat.com>
11016 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11017 gimple_boolify on the condition before calling gimplify_expr.
11019 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11021 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11022 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11023 the frame size. Update to use the new macros.
11024 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11025 * config/xtensa/ieee754-df.S: Likewise.
11027 2006-03-31 Richard Henderson <rth@redhat.com>
11029 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11030 (make_edges): ... here. Control fallthru creation with a local
11031 variable. Do not play with fake edges.
11032 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11033 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11036 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11038 * dwarf2.h (DW64_CIE_ID): Define.
11039 * dwarf2out.c (DWARF_CIE_ID): Define.
11040 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11041 length header. Use DWARF_CIE_ID.
11042 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11043 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11045 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11047 * config/sh/linux-atomic.asm: New file.
11048 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11050 2006-03-31 DJ Delorie <dj@redhat.com>
11052 * config/m32c/cond.md: Set condition flags properly throughout.
11053 * config/m32c/minmax.md: Likewise.
11054 * config/m32c/prologue.md: Likewise.
11055 * config/m32c/bitops.md: Likewise.
11056 * config/m32c/muldiv.md: Likewise.
11057 * config/m32c/mov.md: Likewise.
11058 * config/m32c/addsub.md: Likewise.
11059 * config/m32c/m32c.md: Likewise.
11060 * config/m32c/jump.md: Likewise.
11061 * config/m32c/shift.md: Likewise.
11063 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11064 conditionally output the pattern for this.
11065 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11066 (m32c_compare_redundant): New.
11067 (m32c_output_compare): New.
11068 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11070 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11071 dest, not src. Allow other 4-byte modes.
11073 2006-03-30 Denis Chertykov <denisc@overta.ru>
11075 * doc/md.texi: Refer to avr/constraints.md instead of
11078 2006-03-30 Roger Sayle <roger@eyesopen.com>
11080 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11081 signed vs. unsigned comparison failures on some hosts.
11083 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11086 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11087 change to FLOAT_REGS.
11089 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11090 (rs6000_override_options): Use it.
11091 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11092 only for -mabi=spe/no-spe and -mabi=altivec.
11094 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11096 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11099 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11101 * Makefile.in: Rename docdir to gcc_docdir.
11103 2006-03-30 Roger Sayle <roger@eyesopen.com>
11106 * expr.c (emit_group_store): Optimize group stores into a pseudo
11107 register by using a paradoxical subreg to initialize the destination
11108 if the first or last member of the group specifies a "low part".
11110 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11113 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11114 * target.h (struct gcc_target.speculate_insn): Change type of the
11115 second parameter to 'int'.
11116 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11117 the second operand of the DEPS_LIST.
11118 (copy_DEPS_LIST_list): Update reference to the second operand of the
11120 * rtl.h (alloc_DEPS_LIST): Update signature.
11121 * sched-int.h (ds_t): Change typedef to 'int'.
11122 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11124 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11126 * haifa-sched.c (try_ready): Change condition to restore
11127 non-speculative pattern of the instruction.
11128 (process_insn_depend_be_in_spec): Code to keep probability of the
11129 speculative dependence non-decreasing.
11131 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11133 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11134 (single_move_for_movmem): ... this. Also change all uses.
11135 (bfin_expand_strmov): Renamed to...
11136 (bfin_expand_movmem): ... this. Also change all uses.
11137 * config/bfin/bfin.md (movstrsi): Renamed to...
11138 (movstrsi): ...this.
11140 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11142 PR tree-optimization/26830
11144 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11145 (copy_prop_visit_stmt): Remove write-only variable ann.
11146 (init_copy_prop): Check variable loop depth here. Do not simulate
11147 memory-tag and virtual operand PHIs except for store copy prop.
11149 2006-03-30 Richard Guenther <rguenther@suse.de>
11151 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11152 variants with double arguments.
11154 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11156 * genpreds.c (write_tm_constrs_h): Delete variable p.
11157 * genconditions.c (write_header): Add tm-constrs.h to included
11159 * genpeep.c (main): Add toplev.h to included headers.
11160 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11161 (build/genpeep.o): Add toplev.h dependency.
11162 * config/rs6000/constraints.md: Add "W" constraint.
11164 2006-03-29 Roger Sayle <roger@eyesopen.com>
11166 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11167 sizes by correctly testing whether the size fits a host integer.
11168 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11169 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11170 SImode range for the default sizetype and bitsizetype.
11172 2006-03-29 Roger Sayle <roger@eyesopen.com>
11174 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11175 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11176 quickly if the argument is already of the correct type.
11177 Call fold_build1 instead of build1. Tidy up blank lines.
11179 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11181 * genemit.c (main): Add tm-constrs.h to included headers.
11182 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11183 * genpeep.c (main): Add tm-constrs.h to included headers.
11184 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11185 (write_tm_constrs_h): this and write complete file.
11186 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11187 (write_insn_preds_c): Add tm-constrs.h to included headers.
11188 (gen_constrs): New variable.
11189 (parse_option): Parse "-c".
11190 (main): Invoke write_tm_constrs_h.
11191 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11192 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11193 (object_out_file): Add tm-constrs.h dependency.
11194 (insn-emit.o): Same.
11195 (insn-output.o): Same.
11196 (insn-peep.o): Same.
11197 (insn-preds.o): Same.
11198 (insn-recog.o): Same.
11199 (tm-constsr.h): New target.
11200 (s-constrs-h): New target.
11202 * config/rs6000/constraints.md: New file.
11203 * config/rs6000/rs6000.c: Include tm-constrs.h.
11204 (num_insn_constant_wide): Convert to satisfies_constraint.
11205 (rs6000_rtx_costs): Convert to satisfies_constraint.
11206 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11207 (CONST_OK_FOR_LETTER_P): Delete.
11208 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11209 (EXTRA_CONSTRAINT): Delete.
11210 (EXTRA_MEMORY_CONSTRAINT): Delete.
11211 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11212 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11213 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11214 satisfies_constraint.
11216 * config/i386/i386.c: Include tm-constrs.h.
11218 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11220 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11221 * tree-data-ref.c (find_data_references_in_loop,
11222 compute_data_dependences_for_loop): Use pointers to VEC.
11223 (analyze_all_data_dependences): Adjust calls.
11224 * tree-data-ref.h (find_data_references_in_loop,
11225 compute_data_dependences_for_loop): Adjust declarations.
11226 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11227 compute_data_dependences_for_loop.
11229 2006-03-29 Paul Brook <paul@codesourcery.com>
11231 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11232 (movdf_vfp): Ditto.
11234 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11236 PR tree-optimization/26859
11237 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11239 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11240 for the step after fold_convert.
11242 2006-03-29 Paul Brook <paul@codesourcery.com>
11244 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11245 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11247 2006-03-29 Paul Brook <paul@codesourcery.com>
11249 PR middle-end/23623
11250 * targhooks.c (default_narrow_bitfield): New fuction.
11251 * targhooks.h (default_narrow_bitfield): add prototype.
11252 * target.h (gcc_target): Add narrow_volatile_bitfield.
11253 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11254 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11255 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11256 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11258 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11260 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11262 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11263 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11264 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11265 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11266 (s390_function_arg_float): Allow SDmode and DDmode values to be
11267 passed in floating point registers.
11268 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11269 check with SCALAR_FLOAT_MODE_P.
11270 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11272 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11274 PR tree-optimization/25985
11275 * tree-ssa-loop-niter.c (number_of_iterations_le,
11276 number_of_iterations_ne): Make comments more precise.
11277 (number_of_iterations_cond): Add only_exit argument. Use the
11278 fact that signed variables do not overflow only when only_exit
11280 (loop_only_exit_p): New.
11281 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11282 number_of_iterations_cond.
11284 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11286 PR tree-optimization/26643
11287 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11290 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11292 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11293 (divsi3_i4_int): Likewise.
11295 2006-03-28 Roger Sayle <roger@eyesopen.com>
11297 * expr.c (emit_group_store): Only create a new pseudo reg if the
11298 quantity it needs to hold isn't already a suitable pseudo.
11300 2006-03-28 Jeff Law <law@redhat.com>
11302 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11303 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11305 2006-03-28 Roger Sayle <roger@eyesopen.com>
11307 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11308 the equivalent ~X & Y, and the symmetry related transformations.
11309 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11310 ~X & Y, and symmetry related transforms.
11312 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11314 Revert my 2006-03-27 patches.
11316 2006-03-28 Roger Sayle <roger@eyesopen.com>
11318 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11319 ~(T1)X, when T1 and T2 are integer types of the same precision
11320 and (T2)X isn't an extension.
11322 2006-03-28 Jeff Law <law@redhat.com>
11324 PR tree-optimization/26796
11325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11326 need EH edge cleanups rather than purging them immediately.
11327 (eliminate_degenerate_phis): Handle queued EH cleanups.
11329 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11331 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11334 2006-03-27 Roger Sayle <roger@eyesopen.com>
11336 PR middle-end/22524
11337 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11338 cast BIT_NOT_EXPR operand to the correct type.
11340 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11342 * tree-loop-linear.c: Don't include varray.h.
11343 (gather_interchange_stats, try_interchange_loops,
11344 linear_transform_loops): Use VEC instead of VARRAY.
11345 * lambda-mat.c: Don't include varray.h.
11346 * tree-chrec.c: Same.
11347 * lambda-trans.c: Same.
11348 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11349 VEC instead of VARRAY.
11350 * tree-vectorizer.h: Idem.
11351 * tree-data-ref.c (dump_data_references,
11352 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11353 initialize_data_dependence_relation, finalize_ddr_dependent,
11354 compute_all_dependences, find_data_references_in_loop,
11355 compute_data_dependences_for_loop, analyze_all_data_dependences,
11356 free_dependence_relation, free_dependence_relations,
11357 free_data_refs): Idem.
11358 * tree-data-ref.h (data_reference_p, subscript_p): New.
11359 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11360 VEC instead of VARRAY.
11361 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11362 (find_data_references_in_loop, compute_data_dependences_for_loop,
11363 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11364 dump_data_dependence_relations, free_dependence_relations,
11365 free_data_refs): Adjust declaration.
11366 (lambda_transform_legal_p): Move declaration here...
11367 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11368 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11369 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11370 vect_analyze_data_refs): Use VEC instead of VARRAY.
11371 * lambda.h (lambda_transform_legal_p): ...from here.
11372 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11373 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11374 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11375 tree-chrec.o): Don't depend on VARRAY_H.
11377 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11379 * rtl.def (Copyright): Update date.
11380 (DEPS_LIST): Change type of the second operand to 'int'.
11381 * target.h (Copyright): Update date.
11382 (struct gcc_target.speculate_insn): Change type of the second parameter
11384 * lists.c (Copyright): Update date.
11385 (alloc_DEPS_LIST): Change signature. Update reference to the second
11386 operand of the DEPS_LIST.
11387 (copy_DEPS_LIST_list): Update reference to the second operand of the
11389 * rtl.h (Copyright): Update date.
11390 (alloc_DEPS_LIST): Update signature.
11391 * sched-int.h (Copyright): Update date.
11392 (ds_t): Change typedef to 'int'.
11393 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11395 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11397 * haifa-sched.c (Copyright): Update date.
11398 (try_ready): Change condition to restore non-speculative pattern
11399 of the instruction.
11400 (process_insn_depend_be_in_spec): Code to keep probability of the
11401 speculative dependence non-decreasing.
11403 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11405 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11406 shut up the compiler.
11408 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11410 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11411 to use lib prefix for target.
11412 ($(T)libic_invalidate_array_4-200.a): Likewise.
11413 ($(T)libic_invalidate_array_4a.a): Likewise.
11415 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11416 J"orn Rennecke <joern.rennecke@st.com>
11418 * superh.opt: New file.
11419 * sh.c (boardtype, osruntime): Remove.
11420 * superh.h (SUBTARGET_OPTIONS): Remove.
11421 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11423 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11424 arguments with ^ and/or [].
11426 * config.gcc (sh-*-*): Add quoting to account for quirk of
11428 Replace == with = in enable_incomplete_targets test.
11430 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11431 with MASK_LITTLE_ENDIAN.
11433 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11434 * config/sh/sh.opt: Added to some comments.
11435 * config/sh/superh.h: Removed some chaff.
11437 * config/sh/sh.opt: Add m4-[1234]00* options.
11438 * config/sh/sh.c (sh_handle_option): Likewise.
11439 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11440 (ic_invalidate_array_4-100.o): New rule.
11441 ($(T)libic_invalidate_array_4-100.a): Likewise.
11442 (ic_invalidate_array_4-200.o): Likewise.
11443 ($(T)libic_invalidate_array_4-200.a): Likewise.
11444 (ic_invalidate_array_4a.o): Likewise.
11445 ($(T)libic_invalidate_array_4a.a): Likewise.
11446 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11447 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11449 * config/sh/crt1.asm: Merged in profiling code.
11450 * config/sh/superh.h (STARTFILE_SPEC): Override.
11451 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11452 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11453 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11455 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11456 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11457 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11459 * sh.opt (mpretend-cmove): New option.
11460 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11461 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11462 (movsicc): Add TARGET_PRETEND_CMOVE code.
11464 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11466 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11467 s390_class_max_nregs): New function prototypes.
11468 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11469 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11470 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11471 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11473 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11475 * dwarf2out.c (add_location_or_const_value_attribute): Call
11476 tree_add_const_value_attribute if nothing else works.
11477 (reference_to_unused): New.
11478 (rtl_for_decl_init): Use reference_to_unused to decide whether
11479 to output an initializer.
11481 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11484 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11485 peephole removing spe frob_di_df_2.
11487 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11489 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11490 (subscript_dependence_tester_1): Declared.
11491 (print_dir_vectors, print_dist_vectors): New.
11492 (debug_data_dependence_relation): New.
11493 (dump_data_dependence_relation): Print more details.
11494 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11495 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11496 (save_dist_v, save_dir_v, add_outer_distances,
11497 build_classic_dist_vector_1): New.
11498 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11499 Don't test for lambda_vector_lexico_pos.
11500 (same_access_functions, add_multivariate_self_dist,
11501 add_other_self_distances, dir_from_dist): New.
11502 (build_classic_dir_vector): Replace implementation almost identical to
11503 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11505 (subscript_dependence_tester_1): New.
11506 (subscript_dependence_tester): Handle the lexicographically negative
11507 distance vectors by recomputing the dependence relation.
11508 (compute_affine_dependence): Remove parameter loop_nest_depth.
11509 (compute_self_dependence): Don't call compute_subscript_distance.
11510 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11511 Add a parameter for the loop_nest.
11512 (find_loop_nest_1, find_loop_nest): New.
11513 (compute_data_dependences_for_loop): Compute the loop nest, and give
11514 up if the nest is not well formed.
11515 * tree-data-ref.h (loop_p): New.
11516 (struct data_dependence_relation): Replace size_vect field with
11517 loop_nest, a vec of loops.
11518 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11519 (DDR_LOOP_NEST): New.
11520 (print_dir_vectors, print_dist_vectors,
11521 debug_data_dependence_relation): Declared.
11522 (index_in_loop_nest): New.
11523 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11524 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11527 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11529 * simplify-rtx.c (simplify_relational_operation): Call
11530 simplify_relational_operation_1 even if mode is VOIDmode.
11532 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11534 PR tree-optimization/26804
11535 * tree.h (DECL_CALL_CLOBBERED): New macro.
11536 (tree_decl_common): Add call_clobbered_flag.
11537 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11538 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11539 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11540 (mark_non_addressable): Ditto.
11541 * tree-ssa.c (verify_call_clobbered): New function.
11542 (verify_alias_info): Use it.
11543 * tree-pass.h (pass_reset_cc_flags): New prototype.
11544 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11545 (reset_cc_flags): New function.
11546 * passes.c (init_optimization_passes): Call reset_cc_flags after
11547 initializing referenced_vars.
11549 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11550 Roger Sayle <roger@eyesopen.com>
11552 PR middle-end/26717
11553 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11554 to 1.0 for non-real operands. Implement A / A optimization for
11557 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11559 * config/i386/i386.c (size_cost): Correct the comment for
11560 cost of storing fp registers.
11561 (i386_cost): Likewise.
11562 (i486_cost): Likewise.
11563 (pentium_cost): Likewise.
11564 (pentiumpro_cost): Likewise.
11565 (k6_cost): Likewise.
11566 (athlon_cost): Likewise.
11567 (k8_cost): Likewise.
11568 (pentium4_cost): Likewise.
11569 (nocona_cost): Likewise.
11570 (generic64_cost): Likewise.
11571 (generic32_cost): Likewise.
11573 2006-03-24 Denis Chertykov <denisc@overta.ru>
11575 * config/avr/avr-protos.h (extra_constraint): Delete.
11576 (extra_constraint_Q): New declaration.
11577 * config/avr/constraints.md: New file.
11578 * config/avr/avr.md: Include it.
11579 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11580 (TMP_REGNO, ZERO_REGNO): Likewise.
11581 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11582 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11583 (extra_constraint): Delete.
11584 (extra_constraint_Q): Test for memory constraint 'Q'.
11585 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11586 (REG_CLASS_FROM_LETTER): Delete.
11587 (CONST_OK_FOR_LETTER_P): Delete.
11588 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11589 (EXTRA_CONSTRAINT): Delete.
11590 (TMP_REGNO): Delete.
11591 (ZERO_REGNO): Delete.
11593 2006-03-24 Jeff Law <law@redhat.com>
11595 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11596 directly. Call mark_new_vars_to_rename slightly earlier.
11598 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11600 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11601 (is_cxx): Likewise.
11602 (gen_compile_unit_die): Use new language types for Objective-C and
11604 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11605 DW_LANG_C_plus_plus.
11608 * config/t-darwin (crt3.o): Work around bug 26840.
11609 * config/darwin-crt3.c: Rewrite.
11610 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11612 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11614 * doc/invoke.texi: Document -femit-class-debug-always
11615 * common.opt: Add -femit-class-debug-always.
11617 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11619 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11620 index and base register.
11621 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11622 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11623 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11624 REGNO_OK_FOR_INDEX_P.
11625 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11627 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11628 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11629 REG_OK_FOR_BASE_P): Definitions removed.
11631 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11633 PR middle-end/26611
11634 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11635 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11636 set yet or weren't marked as local yet.
11638 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11640 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11643 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11645 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11646 (rs6000_legitimate_small_data_p): Delete.
11647 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11648 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11649 and make static. Add forward declaration. Update uses.
11650 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11651 of offsettable_memref_p.
11652 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11653 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11655 2006-03-24 Jeff Law <law@redhat.com>
11657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11658 around bug in immediate-use iterator.
11660 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11663 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11664 or __LITTLE_ENDIAN__.
11666 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11668 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11669 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11670 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11671 * config/sh/sh.opt (mdiv=): Amend description.
11672 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11673 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11674 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11675 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11676 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11677 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11678 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11679 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11680 TARGET_DIVIDE_CALL_FP.
11682 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11684 * haifa-sched.c (choose_ready): Fix type of the local variable.
11685 Move local variables. Add comment.
11686 (check_reg_live): Change signature. Make callable from debugger.
11687 * sched-int.h (check_reg_live): Update signature.
11688 * sched-ebb.c (check_reg_live): Update parameters.
11689 * sched-rgn.c (check_reg_live): Ditto.
11690 (region_head_or_leaf_p): Check pointer before dereferencing.
11691 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11692 before reload on optimization levels below 1.
11694 2006-03-23 Richard Henderson <rth@redhat.com>
11696 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11700 * config/alpha/predicates.md (local_symbolic_operand): Reject
11703 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11706 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11707 expressions which have overflowed constants.
11709 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11711 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11713 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11715 * cfgloopmanip.c (create_loop_notes): Removed.
11716 * final.c (final_scan_insn): Do not handle loop notes.
11717 * jump.c (squeeze_notes): Ditto.
11718 * cfglayout.c (skip_insns_after_block,
11719 duplicate_insn_chain): Ditto.
11720 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11722 * cfgloop.h (create_loop_notes): Declaration removed.
11724 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11726 * varasm.c (output_constant_pool): Restore fnname and fndecl
11728 (assemble_start_function): Adjust call accordingly.
11729 (assemble_end_function): Likewise.
11731 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11734 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11737 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11739 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11742 * system.h (ICE_EXIT_CODE): New macro.
11743 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11744 (diagnostic_action_after_output): Likewise.
11745 * gcc.c (fatal_ice): New function.
11746 (execute): Use it instead of fatal.
11747 (fancy_abort): Likewise.
11748 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11750 2006-03-22 Jeff Law <law@redhat.com>
11752 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11753 iv_analyze_result returning false.
11755 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11757 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11759 2006-03-22 Richard Henderson <rth@redhat.com>
11761 PR middle-end/26084
11762 * except.c (duplicate_eh_regions_0): New.
11763 (duplicate_eh_region_1): Duplicate the children of the node as
11764 well as the node itself. Link them up properly.
11765 (duplicate_eh_region_2): Merge into ...
11766 (duplicate_eh_regions): ... here. Take copy_region argument, and
11767 copy only a sub-tree if asked. Simplify copying and fixup.
11768 (eh_region_outer_p): New.
11769 * except.h (duplicate_eh_regions): Update decl.
11770 (eh_region_outer_p): Declare.
11771 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11772 (lower_omp_master): Likewise.
11773 (lower_omp_ordered): Likewise.
11774 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11775 (move_stmt_r): Use it to remap labels. Handle recursion vs
11776 remap_decls_p properly.
11777 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11778 (find_outermost_region_in_block): New.
11779 (new_label_mapper): New.
11780 (move_sese_region_to_fn): Copy eh information to the new function
11782 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11784 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11787 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11789 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11790 into shared libraries.
11792 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11794 * doc/md.texi: Refer to i386/constraints.md instead of
11795 i386/predicates.md.
11796 * config/i386/constraints.md: New file, extracted from...
11797 * config/i386/predicates.md: ...here.
11798 * config/i386/i386.md: Include constraints.md.
11800 2006-03-21 Jason Merrill <jason@redhat.com>
11802 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11804 PR middle-end/20297
11805 * expr.c (init_block_move_fn): Force default visibility.
11806 (init_block_clear_fn): Likewise.
11807 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11808 * targhooks.c (default_external_stack_protect_fail): Likewise.
11810 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11812 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11813 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11814 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11815 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11816 (loadgp): Use mips_current_loadgp_style.
11817 (loadgp_noshared): New pattern.
11818 (sibcall_internal): Use MIPS_CALL.
11819 (sibcall_value_internal): Likewise.
11820 (sibcall_value_multiple_internal): Likewise.
11821 (call_internal): Likewise.
11822 (call_value_internal): Likewise.
11823 (call_value_multiple_internal): Likewise.
11824 (call_split): Use MIPS_CALL and add an 'S' constraint.
11825 (call_value_split): Likewise.
11826 (call_value_multiple_split): Likewise.
11827 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11828 (-mshared): New option.
11829 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11830 (mips_current_loadgp_style): Declare.
11831 * config/mips/mips.c (mips_classify_symbol): Avoid using
11832 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11833 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11834 TARGET_ABSOLUTE_ABICALLS.
11835 (override_options): Adjust comments. Improve the warning that is
11836 issued when -mabicalls and -G are used together.
11837 (mips_file_start): Remove comment.
11838 (mips_current_loadgp_style): New function.
11839 (mips_gnu_local_gp): New variable.
11840 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11842 (mips_output_function_prologue): Use mips_current_laodgp_style.
11843 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11844 the cprestore instruction.
11845 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11846 live for TARGET_ABSOLUTE_ABICALLS.
11847 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11848 (ASM_SPEC): Pass down -mshared and -mno-shared.
11849 (MIPS_CALL): New macro.
11850 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11852 * doc/invoke.texi (-mabicalls): Update documentation.
11853 (-mshared): Document.
11855 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11857 * config/ia64/unwind-hpux.c: New file.
11858 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11860 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11863 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11865 2006-03-21 Jeff Law <law@redhat.com>
11867 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11868 type conversions of a VR_VARYING source to a wider type.
11870 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11872 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11873 tm_file on Solaris 10 and later.
11874 (sparc64-*-solaris2*): Likewise.
11875 (sparc-*-solaris2*): Likewise.
11876 * config/sol26.h: Rename to config/sol2-6.h.
11877 * config/sol2-10.h: New file.
11879 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11882 * tree-ssa-pre.c (create_component_ref_by_pieces):
11885 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11888 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11889 return it immediately.
11891 2006-03-21 Michael Matz <matz@suse.de>
11893 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11895 (remove_arc, add_arc): Update num_out_arcs member.
11896 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11898 (cache_presence): New function.
11899 (compare_states_for_equiv): New function.
11900 (state_is_differed): Don't take number of outargs, adjust callers.
11901 Use new invariant for speeding up.
11902 (init_equiv_class): Create initial classes based on sorted
11904 (partition_equiv_class): Don't track out_arcs_num.
11905 (evaluate_equiv_classes): Call cache_presence on all states and
11908 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11910 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11911 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11912 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11913 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11915 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11916 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11917 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11918 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11919 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11921 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11922 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11923 (REGNO_REG_CLASS): ARGP is in PREGS.
11924 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11926 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11927 to deal with those addresses.
11928 * addresses.h: New file.
11929 * caller-save.c: Include "addresses.h".
11930 (init_caller_save): Use new base_reg_class function.
11931 * rtl-factoring.c: Include "addresses.h".
11932 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11933 * recog.c: Include "addresses.h".
11934 (preprocess_constraints): Use new base_reg_class function.
11935 * regrename.c: Include "addresses.h".
11936 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11937 functions. Keep track of a new var INDEX_CODE to compute valid
11939 (replace_oldest_value_addr): Likewise.
11940 (replace_oldest_value_mem): Use base_reg_class.
11941 * reload.c: Include "addresses.h".
11942 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11943 (find_reloads): Use new base_reg_class function.
11944 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11945 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11946 all callers and prototype changed.
11947 * reload1.c: Include "addresses.h".
11948 (maybe_fix_stack_asms): Use base_reg_class.
11949 * regclass.c: Include "addresses.h".
11950 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11951 (init_reg_autoinc): Use new base_reg_class function.
11952 (record_reg_classes): Likewise.
11953 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11954 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11955 Use new args to compute necessary class.
11957 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11958 regrename.o, rtl-factoring.o): Update dependencies.
11959 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11960 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11961 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11962 REG_OK_FOR_INDEX_P): Delete documentation.
11964 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11966 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11967 from V7 to V9 for Solaris 7 and above.
11969 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11971 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11972 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11973 argument pointers may not alias any other storage.
11974 * common.opt: Define option -fargument-noalias-anything.
11975 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11976 alias semantics is specified by flag_argument_noalias > 2.
11978 2006-03-20 Jeff Law <law@redhat.com>
11980 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11981 (pass_phi_only_cprop): Declare.
11982 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11983 with phi_only_cprop
11984 * tree-ssa-dom.c (degenerate_phi_result): New function.
11985 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11986 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11987 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11988 (eliminate_degenerate_phis): Likewise.
11989 (pass_phi_only_cprop): New pass descriptor.
11990 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11991 support code. Callers updated.
11992 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11993 (store_copy_prop): Likewise.
11994 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11996 2006-03-20 Jason Merrill <jason@redhat.com>
11999 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12000 (push_visibility, pop_visibility): Likewise.
12001 * c-pragma.h: Declare them.
12003 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12005 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12007 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12008 parameter and use get_ebb_head_tail.
12009 (sh_md_init_global): Adjust uses of find_regmode_weight.
12011 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12013 * function.h (struct function) <x_tail_recursion_reentry>:
12014 Rename to x_stack_check_probe_note.
12015 (tail_recursion_reentry): Rename to stack_check_probe_note.
12016 * function.c: Replace tail_recursion_reentry with
12017 stack_check_probe_note everywhere.
12018 (expand_function_start): Only emit a note for
12019 stack_check_probe_note with -fstack-protect.
12020 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12022 * emit-rtl.c (remove_unnecessary_notes): Remove.
12023 (pass_remove_unnecessary_notes): Remove.
12024 * rtl.h (remove_unnecessary_notes): Remove prototype.
12025 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12026 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12027 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12029 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12032 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12033 (valid_in_set): Handle ARRAY_REF.
12034 Change "if min_variant or VH" to asserts.
12035 (create_component_ref_by_pieces): Handle ARRAY_REF.
12036 (create_expression_by_pieces): Likewise.
12037 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12039 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12041 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12042 is operand of switch, not str[0].
12044 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12046 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12047 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12049 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12051 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12052 end of insn_extra_address_constraint declaration.
12054 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12056 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12057 (no-sum-in-toc): Same.
12058 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12060 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12061 NO_FP_IN_TOC for -fPIC instead of mask.
12063 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12064 (BOOT_LDFLAGS): Delete.
12066 * config/rs6000/t-aix52: Same.
12068 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12069 (stmsi[345678]_power): New.
12071 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12073 * config/ia64/ia64.opt: Add empty line to end of file.
12075 2006-03-17 Richard Guenther <rguenther@suse.de>
12077 PR middle-end/26721
12078 * builtins.c (get_pointer_alignment): For component style references
12079 adjust alignment to the component type alignment. Make sure
12080 to adjust alignment for component access of constants.
12082 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12084 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12085 unconditional jump.
12087 2006-03-17 Paul Brook <paul@codesourcery.com>
12089 * doc/install.texi: Docuemnt --with-mode.
12090 * config.gcc: Add --with-mode for arm*-*-*.
12091 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12093 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12095 * sh.c (max_labelno_before_reorg): New variable.
12096 (sh_reorg): Initialize it.
12097 (find_barrier): Check max_labelno_before_reorg before using
12098 label_to_alignment. Take length of explicit alignment insns
12099 into account. When seeing a UNSPECV_CONST_END, return it.
12101 * sh.c (fixup_mova): Set mode of affected label to QImode.
12102 (untangle_mova): New function.
12103 (find_barrier): Use it. Check mode of label before decrementing
12105 (sh_reorg): Likewise.
12106 Set mode of all insns back to VOIDmode.
12108 * sh.c (MOVA_LABELREF): New macro.
12109 (mova_p, fixup_mova, sh_reorg): Use it.
12110 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12111 ADDR_DIFF_VEC matches mova.
12113 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12115 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12116 with ATTRIBUTE_UNUSED.
12118 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12120 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12121 pointer, instead of assuming it is possible to derive the
12122 correct args size from a call insn.
12124 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12126 * rtl.h (CONST_INT_P): Define.
12127 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12128 instead of GET_CODE(x) == CONST_INT.
12129 (vax_rtx_costs): Likewise.
12130 (vax_output_int_move): Likewise.
12131 (vax_output_int_add): Likewise.
12132 (legitimate_constant_address_p): Likewise.
12133 (index_term_p): Likewise.
12134 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12135 * config/vax/vax.md (and<mode>3): Likewise.
12136 (ashrsi3): Likewise.
12138 (movstricthi): Likewise.
12139 (movstrictqi): Likewise.
12140 (rotrsi3): Likewise.
12141 (five unnamed insns): Likewise.
12143 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12145 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12146 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12147 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12148 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12149 Pass to ASM_OUTPUT_DWARF_OFFSET.
12150 * dwarf2out.c (debug_frame_section): New.
12151 (output_call_frame_info): Use debug_frame_section. Pass it to
12152 dw2_asm_output_offset.
12153 (output_die): Pass appropriate section to dw2_asm_output_offset.
12154 (output_compilation_unit_header): Likewise.
12155 (output_pubnames): Likewise.
12156 (output_aranges): Likewise.
12157 (enum dw_val_class): Break dw_val_class_lbl_offset into
12158 dw_val_class_lineptr and dw_val_class_macptr.
12159 (add_AT_lbl_offset): Delete.
12160 (add_AT_lineptr): New.
12161 (add_AT_macptr): New.
12162 (AT_lbl): Expect a lineptr or macptr.
12163 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12164 (attr_checksum): Likewise.
12165 (same_dw_val_p): Likewise.
12166 (size_of_die): Likewise.
12167 (value_format): Likewise.
12168 (output_die): Likewise.
12169 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12171 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12172 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12173 * config/darwin-protos.h (darwin_file_start): New.
12174 (darwin_asm_output_dwarf_offset): New.
12175 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12176 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12178 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12179 if not EH section; simplify.
12180 (darwin_file_start): New.
12181 (darwin_asm_output_dwarf_offset): New.
12182 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12184 (DEBUG_INFO_SECTION): Likewise.
12185 (DEBUG_ABBREV_SECTION): Likewise.
12186 (DEBUG_ARANGES_SECTION): Likewise.
12187 (DEBUG_MACINFO_SECTION): Likewise.
12188 (DEBUG_LINE_SECTION): Likewise.
12189 (DEBUG_LOC_SECTION): Likewise.
12190 (DEBUG_PUBNAMES_SECTION): Likewise.
12191 (DEBUG_STR_SECTION): Likewise.
12192 (DEBUG_RANGES_SECTION): Likewise.
12193 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12194 (ASM_OUTPUT_DWARF_OFFSET): New.
12196 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12198 * config.gcc (tm_defines): Always add to previous value rather
12201 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12203 * config/mips/predicates.md (splittable_const_int_operand): New,
12204 split from move_operand.
12205 (splittable_symbolic_operand): New.
12206 (move_operand): Add commentary. Use splittable_const_int_operand.
12207 Inline mips_atomic_symbolic_constant_p.
12208 * config/mips/mips.md: Add combine splitters for handling moves
12209 of splittable_const_int_operands and splittable_symbolic_operands.
12210 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12211 (mips_split_symbol): Declare.
12212 (mips_move_integer): Declare.
12213 * config/mips/mips.c (mips_split_p): Make global.
12214 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12215 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12216 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12217 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12218 (mips_offset_within_object_p): Handle block symbols.
12219 (mips_atomic_symbolic_constant_p): Delete.
12220 (mips_cannot_force_const_mem): Return false for constants that
12221 mips_legitimize_move can handle.
12222 (mips_use_blocks_for_constant_p): New function.
12223 (mips_split_symbol): Make global.
12224 (mips_move_integer): Likewise. Add a temporary register argument.
12225 (mips_legitimize_const_move): Use splittable_const_int_operand and
12226 splittable_symbolic_operand.
12227 (mips_use_anchors_for_symbol_p): New function.
12228 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12229 (mips_split_p): Declare.
12231 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12233 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12234 (mips*-*-linux*): Likewise.
12236 2006-03-16 Roger Sayle <roger@eyesopen.com>
12237 Daniel Speyer <dspeyer@wam.umd.edu>
12239 PR middle-end/18259
12240 * tree-dump.c (dump_real): New function.
12241 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12242 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12243 (tree-dump.o): Add $(REAL_H) to the dependencies.
12245 2006-03-16 Roger Sayle <roger@eyesopen.com>
12247 PR middle-end/21781
12248 * real.c (real_from_string): If the mantissa is zero, don't bother
12249 parsing the exponent as the result should always be zero.
12251 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12253 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12255 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12257 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12258 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12259 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12260 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12261 ia64_sched_finish_global): New static functions to implement
12262 hooks from gcc_target.sched.
12263 (spec_check_no, max_uid, pending_data_specs): New static variables.
12264 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12265 ia64_spec_check_src_p): New static functions.
12266 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12267 (TARGET_SCHED_ADJUST_COST): Removed.
12268 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12269 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12270 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12271 TARGET_SCHED_GEN_CHECK,
12272 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12273 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12274 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12275 Fixed to handle speculation checks.
12276 (rtx_needs_barrier): Fixed to handle speculative loads and
12278 (ia64_variable_issue): Added code to count speculative loads and their
12280 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12282 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12284 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12286 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12287 (ia64_reorg): Reset stops_p to NULL after it is freed.
12288 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12289 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12290 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12292 (data_speculative, control_speculative, check_load): New attributes.
12293 (mov<mode>_advanced, mov<mode>_speculative,
12294 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12295 zero_extend<mode>di2_speculative,
12296 zero_extend<mode>di2_speculative_advanced): New patterns for
12297 data and control speculative loads.
12298 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12300 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12301 New pattern for data and control speculation checks.
12302 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12303 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12304 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12305 Auxiliary definitions for the patterns.
12306 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12307 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12309 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12311 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12312 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12313 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12314 New resource constraints.
12315 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12317 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12318 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12319 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12320 msched-in-control-spec, msched-ldc, msched-control-ldc,
12321 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12322 msched-prefer-non-control-spec-insns,
12323 msched-count-spec-in-critical-path): New flags to tune speculative
12325 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12326 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12327 msched-in-control-spec, msched-ldc, msched-control-ldc,
12328 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12329 msched-prefer-non-control-spec-insns,
12330 msched-count-spec-in-critical-path): Document new flags.
12332 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12334 * target.h (struct spec_info_def): New opaque declaration.
12335 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12336 speculate_insn, needs_block_p, gen_check,
12337 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12338 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12339 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12340 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12341 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12342 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12344 (TARGET_SCHED): Use new macros.
12345 * rtl.h (copy_DEPS_LIST_list): New prototype.
12346 * sched-int.h (struct sched_info): Change signature of new_ready field,
12347 adjust all initializations. New fields: add_remove_insn,
12348 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12349 region_head_or_leaf_p.
12350 (struct spec_info_def): New structure declaration.
12351 (spec_info_t): New typedef.
12352 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12353 recovery_block, orig_pat.
12354 (glat_start, glat_end): New variables declaraions.
12355 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12357 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12358 DETACH_LIFE_INFO, USE_GLAT.
12359 (enum SPEC_SCHED_FLAGS): New enumeration.
12360 (NOTE_NOTE_BB_P): New macro.
12361 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12362 attach_life_info, debug_spec_status, check_reg_live): New functions.
12363 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12364 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12366 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12367 * ddg.c (get_block_head_tail): Adjust all uses.
12368 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12369 (sms_sched_info): Initialize new fields.
12370 (contributes_to_priority): Removed.
12371 * haifa-sched.c (params.h): New include.
12372 (get_block_head_tail): Adjust all uses.
12373 (ISSUE_POINTS): New macro.
12374 (glat_start, glat_end): New global variables.
12375 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12376 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12377 old_last_basic_block, before_recovery, current_sched_info_var,
12378 rgn_n_insns, luid): New static variables.
12379 (insn_cost1): New function. Move logic from insn_cost to here.
12380 (find_insn_reg_weight1): New function. Move logic from
12381 find_insn_reg_weight to here.
12382 (reemit_notes, move_insn, max_issue): Change signature.
12383 (move_insn1): Removed.
12384 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12385 extend_bb): New static functions to support extension of scheduler's
12387 (generate_recovery_code, process_insn_depend_be_in_spec,
12388 begin_speculative_block, add_to_speculative_block,
12389 init_before_recovery, create_recovery_block, create_check_block_twin,
12390 fix_recovery_deps): New static functions to support
12391 generation of recovery code.
12392 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12393 restore_bb_notes, move_block_after_check, move_succs): New static
12394 functions to support ebb scheduling.
12395 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12396 functions to support handling of register live information.
12397 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12398 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12399 add_jump_dependencies): New static functions.
12400 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12401 consistancy checking.
12402 (debug_spec_status): New function to call from debugger.
12403 (priority): Added code to handle speculation checks.
12404 (rank_for_schedule): Added code to distinguish speculative instructions.
12405 (schedule_insn): Added code to handle speculation checks.
12406 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12407 Fixed to handle ebbs.
12408 (move_insn): Added code to handle ebb scheduling.
12409 (max_issue): Added code to use ISSUE_POINTS of instructions.
12410 (choose_ready): Added code to choose between speculative and
12411 non-speculative instructions.
12412 (schedule_block): Added code to handle ebb scheduling and scheduling of
12413 speculative instructions.
12414 (sched_init): Initialize new variables.
12415 (sched_finish): Free new variables. Print statistics.
12416 (try_ready): Added code to handle speculative instructions.
12417 * lists.c (copy_DEPS_LIST_list): New function.
12418 * sched-deps.c (extend_dependency_caches): New function. Move logic
12419 from create_dependency_caches to here.
12420 (get_dep_weak, ds_merge): Make global.
12421 * genattr.c (main): Code to output prototype for
12422 dfa_clear_single_insn_cache.
12423 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12424 (output_dfa_clean_insn_cache_func): Code to output
12425 dfa_clear_single_insn_cache function.
12426 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12428 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12430 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12431 New static variables.
12432 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12433 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12435 (ebb_sched_info): Initialize new fields.
12436 (get_block_head_tail): Adjust all uses.
12437 (compute_jump_reg_dependencies): Fixed to use glat_start.
12438 (schedule_ebb): Code to remove unreachable last block.
12439 (schedule_ebbs): Added code to update register live information.
12440 * sched-rgn.c (region_sched_info): Initialize new fields.
12441 (get_block_head_tail): Adjust all uses.
12442 (last_was_jump): Removed. Adjust users.
12443 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12444 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12445 Implement new hooks.
12446 (check_dead_notes1): New static function.
12447 (struct region): New fields: dont_calc_deps, has_real_ebb.
12448 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12449 (BB_TO_BLOCK): Fixed to handle EBBs.
12450 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12451 (ebb_head): New static variable.
12452 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12453 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12455 (compute_dom_prob_ps): New assertion.
12456 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12457 global_live_at_start.
12458 (init_ready_list): New assertions.
12459 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12460 (new_ready): Add support for BEGIN_CONTROL speculation.
12461 (schedule_insns): Fixed code that updates register live information
12463 (schedule_region): Fixed to handle EBBs.
12464 (init_regions): Use extend_regions and check_dead_notes1.
12465 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12466 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12467 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12468 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12469 TARGET_SCHED_GEN_CHECK,
12470 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12471 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12472 * doc/invoke.texi (max-sched-insn-conflict-delay,
12473 sched-spec-prob-cutoff): Document.
12475 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12477 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12478 inter_tick, queue_index.
12479 (struct sched_info): Change signature of init_ready_list field.
12480 Adjust all initializations.
12481 (RESOLVED_DEPS): New access macro.
12482 (ready_add): Remove prototype.
12483 (try_ready): Add prototype.
12484 * sched-rgn.c (init_ready_list): Use try_ready.
12485 (schedule_region): Initialize
12486 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12487 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12488 (init_ready_list): Use try_ready.
12489 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12490 * lists.c (remove_list_elem): Remove `static'.
12491 (remove_free_INSN_LIST_elem): New function.
12492 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12493 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12494 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12496 (readyp): New variable.
12497 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12498 change_queue_index, resolve_dep): New static functions.
12499 (try_ready): New function. Adjust callers in sched-rgn.c and
12500 sched-ebb.c to use it instead of ready_add.
12501 (clock_var): Move at the begining of file.
12502 (rank_for_schedule): Fix typo.
12503 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12504 (ready_lastpos): Enforce assertion.
12505 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12506 update all callers.
12507 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12508 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12509 (queue_to_ready): Use free_INSN_LIST_list.
12510 (early_queue_to_ready): Fix typo.
12511 (schedule_block): Init readyp. Move init_ready_list call after the
12512 initialization of clock_var. Fix error in rejecting insn by
12513 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12514 that previously corrected INSN_TICKs. Add code for handling
12516 (set_priorities): Fix typo.
12517 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12518 Clarify comment and code that keeps current_sched_info->next_tail
12521 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12523 * sched-rgn.c (extend_rgns): New static function.
12524 (find_rgns): Use it.
12525 (gather_region_statistics, print_region_statistics): New static
12527 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12528 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12530 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12531 Andrey Belevantsev <abel@ispras.ru>
12533 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12534 * lists.c (unused_deps_list): New variable.
12535 (free_list): Add assertions to verify the proper distinguishing
12536 between INSN_LISTs and DEPS_LISTs.
12537 (find_list_elem, remove_list_elem, remove_list_node): New static
12539 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12540 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12541 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12542 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12544 (free_INSN_LIST_node): Likewise.
12545 * modulo-sched.c (current_sched_info): Initialize flags field.
12546 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12547 * rtl.def (DEPS_LIST): Define.
12548 * rtl.h: Declare new functions from lists.c.
12549 * sched-deps.c (spec_dependency_cache): New static variable.
12550 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12551 (add_dependence): Change return type to void. Move the logic to ...
12552 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12553 (delete_all_dependences): Add comment about forward_dependency_cache.
12554 Handle spec_dependency_cache. Handle DEPS_LISTs.
12555 (fixup_sched_groups): Clarify the change of priority of output
12556 and anti dependencies.
12557 (sched_analyze_2): Adjust add_dependence calls to create data
12558 speculative dependence.
12559 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12560 Adjust all callers. Handle DEPS_LISTS.
12561 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12562 presence of speculation.
12563 (init_dependency_caches, free_dependency_caches):
12564 Handle spec_dependency_cache.
12565 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12566 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12567 New static functions.
12568 (add_or_update_back_dep, add_or_update_back_forw_dep,
12569 add_back_forw_dep, delete_back_forw_dep): New functions.
12570 * sched-int.h (ds_t, dw_t): New typedefs.
12571 (struct sched_info): Add new field flags.
12572 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12573 Prototype new sched-deps.c functions.
12574 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12575 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12576 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12577 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12578 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12579 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12581 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12583 * sched-rgn.c (current_sched_info): Initialize flags field.
12584 (schedule_insns): Initialize current_sched_info before the sched_init
12586 * sched-ebb.c (current_sched_info): Initialize flags field.
12587 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12588 Call add_or_update_back_dep instead of add_dependence.
12589 Create control speculative dependencies.
12590 (schedule_insns): Initialize current_sched_info before the sched_init
12593 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12595 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12597 (sh_fallback_frame_state): Likewise.
12599 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12601 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12602 Do switch on default_use_cxa_atexit.
12603 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12604 * config/darwin-crt3.o: New.
12605 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12606 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12607 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12609 * config/rs6000/t-darwin: Move crt2.o building to here.
12610 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12611 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12614 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12616 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12617 from '! xxx' to '!xxx' for coding-style conformance.
12618 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12619 (EXTRA_CONSTRAINT): Likewise.
12620 * config/vax/vax.md (four unnamed insns): Likewise.
12622 2006-03-15 Paul Brook <paul@codesourcery.com>
12624 * config/arm/arm.c (minipool_pad): New.
12625 (add_minipool_forward_ref): Include pool alignment padding in address
12627 (push_minipool_fix): Set minipool_pad.
12628 (minipool_pad): Ditto.
12630 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12632 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12633 instead of GET_CODE() == MEM and REG_P() instead of
12635 (print_operand_address): Likewise.
12636 (vax_address_cost): Likewise.
12637 (vax_rtx_costs): Likewise.
12638 (vax_notice_update_cc): Likewise.
12639 (vax_output_int_add): Likewise.
12640 (INDEX_REGISTER_P): Likewise.
12641 (BASE_REGISTER_P): Likewise.
12642 (nonindexed_address_p): Likewise.
12643 (vax_mode_dependent_address_p): Likewise.
12644 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12645 (PRINT_OPERAND): Likewise.
12646 * config/vax/vax.md (ashlsi3): Likewise.
12647 (ashlsi3): Likewise.
12648 (some more unnamed insns): Likewise.
12650 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12652 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12653 iterator-style macro.
12654 (mark_control_dependent_edges_necessary): Update the use of
12655 EXECUTE_IF_CONTROL_DEPENDENT.
12657 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12659 * config/sh/predicates.md (cache_address_operand): Special.
12660 (ua_address_operand): Likewise.
12662 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12664 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12666 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12668 2006-03-15 Andreas Schwab <schwab@suse.de>
12670 * gensupport.c (identify_predicable_attribute): Don't free p_false
12671 when it is still in use.
12673 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12675 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12676 the default setting here.
12678 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12680 * tree-pass.h (pass_cfg): Remove.
12681 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12682 * passes.c (pass_cfg): Don't run it.
12684 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12686 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12687 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12689 (stack_regs_mentioned): Update the uses of
12690 stack_regs_mentioned_data. Don't access the array beyond its
12692 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12693 Don't include gt-reg-stack.h.
12695 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12696 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12698 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12700 PR middle-end/26684
12701 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12704 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12706 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12708 2006-03-14 Richard Guenther <rguenther@suse.de>
12710 PR tree-optimization/26672
12711 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12714 2006-03-14 Richard Guenther <rguenther@suse.de>
12716 PR tree-optimization/26667
12717 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12718 node for the callees. Always allow inlining if it will shrink
12721 2006-03-14 Richard Guenther <rguenther@suse.de>
12723 PR middle-end/26659
12724 * builtins.c (get_pointer_alignment): Prefer alignment
12725 information from decls over that from types.
12727 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12730 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12732 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12734 * config/rs6000/rs6000.opt (mdlmzb): New option.
12735 (msched-prolog, msched-epilog): Use Var not Mask.
12736 * doc/invoke.texi (-mdlmzb): Document.
12737 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12739 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12740 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12742 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12744 PR rtl-optimization/25739
12745 * bt-load.c (augment_live_range): Free tos pointer.
12747 * gensupport.c (identify_predicable_attribute): Free
12749 * gcov.c (create_file_names): Free name pointer.
12751 2006-03-13 Roger Sayle <roger@eyesopen.com>
12753 PR middle-end/26557
12754 * stmt.c (emit_case_nodes): Handle the case where the index is a
12755 CONST_INT, where the comparison mode is specified by the index type.
12757 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12759 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12762 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12764 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12765 (*branch_fp_inverted): Likewise.
12767 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12769 PR middle-end/25989
12770 * omp-low.c (expand_omp_for_generic): Mark istart0
12771 and iend0 as addressable.
12773 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12775 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12777 2006-03-13 Jeff Law <law@redhat.com>
12779 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12780 virtual operands are interesting.
12781 (vrp_visit_stmt): Corresponding changes.
12783 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12785 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12787 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12788 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12789 * config/bfin/crti.S: Use it instead of __PIC__.
12790 * config/bfin/crtn.S: Likewise.
12792 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12793 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12795 Lose 'G' modifier for call operand.
12796 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12797 recognize 'G' modifier.
12799 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12801 PR middle-end/18859
12802 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12803 * stmt.c (expand_case): Likewise.
12805 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12807 PR rtl-optimization/26254
12808 * loop-invariant.c (seq_insns_valid_p): New function.
12809 (move_invariant_reg): Only emit new code if it is valid.
12811 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12813 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12815 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12816 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12817 (commit_one_edge_insertion): Do not look for loop notes.
12819 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12821 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12822 flag_test_coverage out of loop.
12824 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12826 * final.c (shorten_branches): Remove outdated comment, and turn
12827 the if branch that guards it to continue.
12829 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12831 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12832 * cfgloop.h (struct loop): Remove unused fields.
12834 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12836 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12837 (-dL, -fdump-rtl-loop2): Update the dump file names
12839 * doc/invoke.texi: Update dump file names.
12841 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12843 * predict.c (estimate_probability): Remove.
12844 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12845 * basic-block.h (estimate_probability): Remove prototype.
12846 * passes.c (finish_optimization_passes): Dump branch prediction or
12847 profiling heuristics to the .profile tree dump.
12848 (init_optimization_passes): Unqueue pass_branch_prob.
12850 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12852 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12854 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12855 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12857 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12859 * function.h (frame_offset_overflow): Declare.
12860 * function.c (frame_offset_overflow): New function.
12861 (assign_stack_local_1): Call it to detect that the offset overflows.
12862 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12864 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12866 * config/sh/sh.c: Include alloc-pool.h.
12867 (label_ref_list_pool): New alloc pool.
12868 (label_ref_list_t): New type for lists of labels.
12869 (struct pool_node): Make wend a label_ref_list_t.
12870 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12872 (dump_table): Likewise.
12873 (sh_reorg): Set up the alloc pool before using add_constant and
12874 dump_table, and destroy it when finishing.
12876 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12878 * config/mips/mips.c: Remove redundant comment.
12880 2006-03-10 Jason Merrill <jason@redhat.com>
12883 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12884 the target was declared 'register'.
12886 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12888 * genpreds.c (write_insn_constraint_len): Change definition of
12889 insn_constraint_len to return size_t to match the declaration.
12891 2006-03-10 DJ Delorie <dj@redhat.com>
12893 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12895 (m32c_expand_insv): Fix test for an AND mask.
12897 2006-03-10 Richard Guenther <rguenther@suse.de>
12899 PR middle-end/26565
12900 * builtins.c (get_pointer_alignment): Handle component
12901 references for field alignment.
12903 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12905 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12906 when building with libgloss.
12907 (sh*elf): Implement --without-fp option.
12908 (sh64-superh-linux*): Don't multilib.
12910 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12912 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12914 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12916 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12917 Set it when one of the replacement functions returned true.
12918 Return TODO_cleanup_cfg if cfgchanged is true.
12919 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12921 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12923 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12924 instead of gen_lowpart.
12926 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12928 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12930 (mips_output_order_conditional_branch): Declare.
12931 * config/mips/mips.h (MIPS_BRANCH): New macro.
12932 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12933 for the comparison. Use gen_condjump.
12934 (mips_output_conditional_branch): Rework interface to take the
12935 asm templates for a direct branch and the inverse of a direct branch.
12936 (mips_output_order_conditional_branch): New function.
12937 (mips_builtin_branch_and_move): New function.
12938 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12939 branch condition. Use gen_single_cc as the condition for
12940 __builtin_mips_upper_* or __builtin_mips_lower_*.
12941 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12942 Use VOIDmode for the branch condition.
12943 * config/mips/predicates.md (order_operator): New predicate.
12944 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12945 (branch_fp): Rename to...
12946 (*branch_fp): ...this. Remove mode from comparison operator.
12947 Use new mips_output_conditional_branch interface.
12948 (branch_fp_inverted): Rename to...
12949 (*branch_fp_inverted): ...this and update as for *branch_fp.
12950 (*branch_zero<mode>): Rename to...
12951 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12952 Use mips_output_order_conditional_branch. Only accept ordered
12954 (*branch_zero<mode>_inverted): Rename to...
12955 (*branch_order<mode>_inverted): ...this and update as for
12956 *branch_order<mode>.
12957 (*branch_equality<mode>): Accept zero as the second operand to
12958 the equality operator. Use the new mips_output_conditional_branch
12960 (*branch_equality<mode>_inverted): Likewise.
12961 (condjump): New expander.
12962 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12964 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12965 (bc1any2t, bc1any2f): Likewise.
12966 (single_cc): New expander.
12967 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12969 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12971 * doc/md.texi: Update documentation of MIPS constraints.
12972 * config/mips/constraints.md: New file.
12973 * config/mips/mips.md: Include it.
12974 * config/mips/mips.c (mips_char_to_class): Delete.
12975 (override_options): Don't initialize mips_char_to_class.
12976 * config/mips/mips.h (mips_char_to_class): Delete.
12977 (REG_CLASS_FROM_LETTER): Delete.
12978 (CONST_OK_FOR_LETTER_P): Delete.
12979 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12980 (EXTRA_CONSTRAINT_Y): Delete.
12981 (EXTRA_CONSTRAINT_STR): Delete.
12982 (CONSTRAINT_LEN): Delete.
12983 (EXTRA_MEMORY_CONSTRAINT): Delete.
12985 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12987 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12988 original fn's eh regions.
12990 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12992 * fold-const.c (build_range_check): Make sure to use a valid type to
12993 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12996 (range_predecessor): New static function.
12997 (range_successor): Likewise.
12998 (merge_ranges): Use them to compute predecessors and successors of
13001 2006-03-09 Roger Sayle <roger@eyesopen.com>
13003 PR middle-end/26561
13004 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13005 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13007 2006-03-08 DJ Delorie <dj@redhat.com>
13009 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13010 (addpsi3): Expand to include memory operands. Remove
13011 reload-specific splits.
13012 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13013 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13014 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13015 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13016 (shift1_qi, shift1_hi, insv): New.
13017 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13018 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13019 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13021 * config/m32c/m32c-protos.h: Update as needed.
13022 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13023 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13024 Fail for unrecognized R* constraints.
13025 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13026 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13027 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13029 (m32c_init_libfuncs): New.
13030 (m32c_legitimate_address_p): Add debug wrapper.
13031 (m32c_rtx_costs): New.
13032 (m32c_address_cost): New.
13033 (conversions): Add 'B' prefix.
13034 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13035 operands, or word regnames for QI operands. 'B' prints bit
13037 (m32c_expand_setmemhi): New.
13038 (m32c_expand_movmemhi): New.
13039 (m32c_expand_movstr): New.
13040 (m32c_expand_cmpstr): New.
13041 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13042 (m32c_expand_neg_mulpsi3): Handle non-ints.
13043 (m32c_cmp_flg_0): New.
13044 (m32c_expand_movcc): New.
13045 (m32c_expand_insv): New.
13046 (m32c_scc_pattern): New.
13047 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13048 a0/a1 out of SIregs.
13049 (STORE_FLAG_VALUE): New.
13050 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13053 * config/m32c/mov.md: Make constraints more liberal.
13054 (zero_extendqihi2): Optimize r0/r1 case.
13055 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13056 * config/m32c/predicates.md (m32c_any_operand): New.
13057 (m32c_nonimmediate_operand): New.
13058 (m32c_hl_operand): New.
13059 (m32c_r3_operand): New.
13062 (memsym_operand): New.
13063 (memimmed_operand): New.
13064 (a_qi_operand): New.
13065 (m32c_eqne_operator): New.
13066 (m32c_1bit8_operand): New.
13067 (m32c_1bit16_operand): New.
13068 (m32c_1mask8_operand): New.
13069 (m32c_1mask16_operand): New.
13070 * config/m32c/blkmov.md: New file.
13071 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13073 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13075 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13076 unsigned to fix signed/unsigned comparison issue in
13077 DWARF2_FRAME_REG_OUT.
13078 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13079 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13081 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13082 of ptr into the ENABLE_CHECKING section.
13084 2006-03-08 Jeff Law <law@redhat.com>
13086 * tree-vrp.c (infer_value_range): Only count pointer uses
13087 and dereferences if -fdelete-null-pointer-checks is enabled.
13089 * tree-vrp.c (find_assert_locations): Infer value ranges for
13090 single use pointers, but do not create ASSERT_EXPRs for them.
13091 When a non-null range is inferred for a pointer, backwards
13092 propagate that range to other equivalent pointers through the
13095 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13098 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13099 language hook targets.
13100 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13101 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13102 if language hook targets were missing.
13104 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13106 * tree-ssa-opfinalize.h: Removed.
13107 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13109 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13110 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13111 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13112 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13113 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13114 finalize_ssa_v_must_def_ops): New.
13116 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13118 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13119 block as parameter.
13121 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13123 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13125 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13126 addresses with offsets; reorganize.
13128 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13129 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13130 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13132 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13135 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13137 2006-03-08 Ben Elliston <bje@au.ibm.com>
13139 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13141 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13144 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13147 2006-03-07 Richard Guenther <rguenther@suse.de>
13149 PR tree-optimization/26587
13150 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13152 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13154 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13156 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13158 * hooks.c (hook_bool_mode_rtx_true): New function.
13159 * hooks.h (hook_bool_mode_rtx_true): Declare.
13160 * toplev.c (compile_file): Call output_shared_constant_pool.
13161 * varasm.c (shared_constant_pool): New variable.
13162 (assemble_start_function, assemble_end_function): Remove arguments
13163 from call to output_constant_pool.
13164 (create_constant_pool): New function, split out from...
13165 (init_varasm_status): ...here.
13166 (force_const_mem): Choose between the shared and per-function constant
13167 pools. Set current_function_uses_const_pool when reusing old entries
13168 as well as when creating new ones.
13169 (mark_constant): Ignore data argument.
13170 (mark_constants): Remove pool argument.
13171 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13172 to decide whether the function uses a constant pool.
13173 (output_constant_pool_contents): New function, split out from...
13174 (output_constant_pool): ...here.
13175 (output_shared_constant_pool): New function.
13176 (init_varasm_once): Initialize shared_constant_pool.
13177 * output.h (output_constant_pool): Delete.
13178 (output_shared_constant_pool): Declare.
13179 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13180 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13182 2006-03-06 Nick Clifton <nickc@redhat.com>
13184 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13185 flag_strength_reduce.
13187 2006-03-06 Ben Elliston <bje@au.ibm.com>
13189 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13190 x86_64-*-linux* configurations.
13192 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13193 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13195 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13197 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13199 * basic-block.h: Remove the extern for
13200 rediscover_loops_after_threading.
13202 * cfgloop.c (cancel_loop): Make it static.
13203 * cfgloop.h: Remove the prototype for cancel_loop.
13205 * flow.c (recompute_reg_usage): Make it static.
13206 * rtl.h: Remove the prototype for recompute_reg_usage.
13208 * function.c (use_return_register): Make it static.
13209 * function.h: Remove the prototype.
13211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13213 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13215 * recog.h: Remove the prototype for
13216 validate_change_maybe_volatile.
13218 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13220 * rtlanal.c (replace_reg): Remove.
13221 * rtl.h: Remove the prototype for replace_reg.
13223 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13225 * regclass.c (reg_scan_update): Remove.
13226 (reg_scan_mark_refs): Remove the last argument.
13227 * rtl.h: Remove the prototype for reg_scan_update.
13229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13231 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13232 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13233 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13234 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13235 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13236 loop-invariant.c, omp-low.c, opts.c, passes.c,
13237 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13238 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13239 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13240 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13241 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13242 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13246 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13247 * dwarf2out.h: Remove the prototype for
13248 dwarf2out_add_library_unit_info.
13250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13252 * tree.c (add_var_to_bind_expr): Remove.
13253 * tree.h: Remove the prototype for add_var_to_bind_expr.
13255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13257 * regclass.c (n_non_fixed_regs): Remove.
13258 (init_reg_sets_1, globalize_reg): Remove all uses of
13260 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13262 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13264 * rtlanal.c (insns_safe_to_move_p): Remove.
13265 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13267 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13269 * expmed.c (expand_mult_add): Remove.
13270 * expr.h: Remove the prototype for expand_mult_add.
13272 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13274 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13275 and REG_SAVED_VAL_EXP constants.
13276 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13277 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13278 Handle regs stored by value.
13279 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13280 (execute_cfa_program): Handle DW_CFA_val_offset,
13281 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13282 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13283 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13284 (uw_install_context_1): Handle target regs stored by value.
13286 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13288 * tree-sra.c (tree_sra): Return todoflags;
13289 (generate_one_element): Set TODO_update_smt_usage if needed.
13290 (pass_sra): Remove TODO_update_smt_usage.
13291 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13293 (tree_ssa_forward_propagate_single_use_vars): Return
13294 TODO_update_smt_usage if we need to update SMT usage.
13295 (pass_forwprop): Remove TODO_update_smt_usage.
13297 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13299 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13300 (correct_use_link): Remove reference to get_stmt_operands.
13301 (update_stmt_operands): Likewise.
13302 (get_modify_expr_operands): New function factored out of
13303 parse_ssa_operands and get_expr_operands.
13304 Try to create V_MUST_DEFs for LHS by default.
13305 (get_expr_operands) <case MODIFY_EXPR>: Call
13306 get_modify_expr_operands.
13307 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13308 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13309 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13310 get_modify_expr_operands.
13312 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13314 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13315 * tree-flow.h: Remove the prototype for
13316 referenced_var_lookup_if_exists.
13318 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13320 PR rtl-optimization/26345
13322 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13324 2006-03-03 Roger Sayle <roger@eyesopen.com>
13326 PR tree-optimization/26524
13327 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13328 fold_convert to create a constant of the appropriate type.
13330 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13332 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13333 SYMBOL_REF_IN_BLOCK_P.
13334 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13335 of SYMBOL_FLAG_IN_BLOCK.
13336 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13337 instead of SYMBOL_REF_IN_BLOCK_P.
13338 * explow.c (use_anchored_address): Likewise.
13339 * rtl.c (rtx_size): Likewise.
13340 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13341 instead of SYMBOL_FLAG_IN_BLOCK.
13342 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13343 SYMBOL_REF_IN_BLOCK_P.
13344 (assemble_variable): Likewise.
13345 (output_constant_def_contents): Likewise.
13346 (output_constant_pool): Likewise.
13347 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13348 instead of SYMBOL_FLAG_IN_BLOCK.
13349 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13350 SYMBOL_REF_IN_BLOCK_P.
13351 (SYMBOL_REF_BLOCK): Likewise.
13352 (SYMBOL_REF_OFFSET): Likewise.
13353 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13354 SYMBOL_REF_IN_BLOCK_P.
13355 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13356 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13357 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13358 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13360 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13362 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13364 2006-03-02 Roger Sayle <roger@eyesopen.com>
13366 * simplify-rtx.c (simplify_unary_operation): When simplifying
13367 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13368 that we perform the right shift in the appropriate mode, and
13369 then extend or truncate the result to requested mode.
13371 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13373 * gengtype.c (main): Handle double_int type.
13374 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13375 * double-int.c: New file.
13376 * double-int.h: New file.
13377 * system.h: Include doubleint.h.
13378 * Makefile.in (SYSTEM_H): Include double-int.h.
13379 (double-int.o): Add.
13381 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13384 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13387 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13389 * tree-vrp.c (remove_range_assertions): Do not update statements
13392 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13394 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13396 * gcse.c (rest_of_handle_gcse): Ditto.
13397 * except.c (gate_handle_eh): Ditto.
13398 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13399 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13401 2006-03-02 Eric Christopher <echristo@apple.com>
13403 * config/i386/i386.c (machopic_output_stub): Add indirection to
13406 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13410 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13412 Sun Niagara specific optimizations.
13413 * config.gcc: Recognize niagara as target.
13414 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13415 (TARGET_CPU_niagara): Define.
13416 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13417 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13418 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13419 (ASM_CPU_SPEC): Likewise.
13420 (PROCESSOR_NIAGARA): New enum entry.
13421 (REGISTER_MOVE_COST): Handle Niagara.
13422 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13423 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13424 (sparc_override_options): Recognize "niagara", set appropriate
13425 default MASK_* values for it, and align functions to 32-bytes
13426 by default just like ULTRASPARC/ULTRASPARC3.
13427 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13428 (sparc64_initialize_trampoline): Likewise.
13429 (sparc_use_sched_lookahead): Use zero for niagara.
13430 (sparc_issue_rate): Use one for niagara.
13431 * config/sparc/niagara.md: New file.
13432 * config/sparc/sparc.md: Include it.
13433 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13434 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13435 when default cpu is niagara.
13436 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13437 (ASM_CPU_SPEC): Likewise.
13438 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13439 when default cpu is niagara.
13440 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13441 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13442 just like v9/ultrasparc/ultrasparc3.
13443 * doc/invoke.texi: Add documentation for "niagara" and improve
13444 existing documentation for ultrasparc variants.
13446 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13448 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13450 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13452 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13453 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13454 and say that only one is needed.
13455 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13456 * target.h (have_switchable_bss_sections): New hook.
13457 * explow.c (use_anchored_address): Check that the symbol is in a block.
13458 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13459 (bss_noswitch_section): New variables.
13460 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13461 (get_noswitch_section): New function.
13462 (get_block_for_section): Allow SECT to be null.
13463 (unlikely_text_section_p): Use SECTION_STYLE.
13464 (bss_initializer_p): New function.
13465 (get_variable_section): Move earlier in file. Take a new argument,
13466 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13467 Return one of the new *_sections in such cases.
13468 (get_block_for_decl): New function, extracting some logic from
13469 use_blocks_for_decl_p.
13470 (change_symbol_section): Remove in favor of...
13471 (change_symbol_block): ...this new function.
13472 (use_blocks_for_decl_p): Remove checks now performed by
13473 get_block_for_decl.
13474 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13475 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13476 (emit_local, emit_bss, emit_common): ...these new functions.
13477 Return true if the alignment was honored.
13478 (emit_tls_common): New function.
13479 (asm_emit_uninitialised): Delete.
13480 (assemble_variable_noswitch): New function, split out from...
13481 (assemble_variable): ...here. Don't make decisions about common
13482 variables here. Globalize all public decls that go into non-common
13483 sections. Check whether SYMBOL_REF_BLOCK is null.
13484 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13485 (output_constant_pool): Likewise.
13486 (init_varasm_once): Initialize the new section variables.
13487 (have_global_bss_p): New function.
13488 (categorize_decl_for_section): Use bss_initializer_p.
13489 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13490 (place_block_symbol): Assert that the symbol must be in a block.
13491 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13492 (TARGET_INITIALIZER): Include it.
13493 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13494 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13495 (SECTION_MACH_DEP): Bump by two.
13496 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13497 (unnamed_section): Mention SECTION_UNNAMED in comment.
13498 (named_section): Likewise SECTION_NAMED.
13499 (noswitch_section_callback): New type.
13500 (noswitch_section): New structure.
13501 (section): Add a noswitch_section alternative.
13502 (SECTION_STYLE): New macro.
13503 (tls_comm_section, comm_section, lcomm_section): Declare.
13504 (bss_noswitch_section, have_global_bss_p): Declare.
13505 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13506 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13508 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13509 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13512 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13514 * tree-vrp.c (execute_vrp): Return value.
13515 * regrename.c (rest_of_handle_regrename): Ditto.
13516 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13517 * tree-complex.c (tree_lower_complex): Ditto.
13518 (tree_lower_complex_O0): Ditto.
13519 * tracer.c (rest_of_handle_tracer): Ditto.
13520 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13521 * postreload.c (rest_of_handle_postreload): Ditto.
13522 * tree-tailcall.c (execute_tail_recursion): Ditto.
13523 (execute_tail_calls): Ditto.
13524 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13525 * tree.h (init_function_for_compilation): Ditto.
13526 * ipa-cp.c (ipcp_driver): Ditto.
13527 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13528 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13529 * final.c (compute_alignments): Ditto.
13530 (rest_of_handle_final): Ditto.
13531 (rest_of_handle_shorten_branches): Ditto.
13532 (rest_of_clean_state): Ditto.
13533 * omp-low.c (execute_expand_omp): Ditto.
13534 (execute_lower_omp): Ditto.
13535 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13536 * ipa-reference.c (static_execute): Ditto.
13537 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13538 * reorg.c (rest_of_handle_delay_slots): Ditto.
13539 (rest_of_handle_machine_reorg): Ditto.
13540 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13541 * flow.c (recompute_reg_usage): Ditto.
13542 (rest_of_handle_remove_death_notes): Ditto.
13543 (rest_of_handle_life): Ditto.
13544 (rest_of_handle_flow2): Ditto.
13545 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13546 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13547 (do_ssa_store_ccp): Ditto.
13548 (execute_fold_all_builtins): Ditto.
13549 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13550 * modulo-sched.c (rest_of_handle_sms): Ditto.
13551 * ipa-pure-const.c (static_execute): Ditto.
13552 * cse.c (rest_of_handle_cse): Ditto.
13553 (rest_of_handle_cse2): Ditto.
13554 * web.c (rest_of_handle_web): Ditto.
13555 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13556 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13557 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13558 * tree-nrv.c (tree_nrv): Ditto.
13559 (execute_return_slot_opt): Ditto.
13560 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13561 (create_structure_vars): Ditto.
13562 * loop-init.c (rtl_loop_init): Ditto.
13563 (rtl_loop_done): Ditto.
13564 (rtl_move_loop_invariants): Ditto.
13565 (rtl_unswitch): Ditto.
13566 (rtl_unroll_and_peel_loops): Ditto.
13567 (rtl_doloop): Ditto.
13568 * gimple-low.c (lower_function_body): Ditto.
13569 (mark_used_blocks): Ditto.
13570 * tree-ssa-sink.c (execute_sink_code): Ditto.
13571 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13572 (cgraph_early_inlining): Ditto.
13573 * global.c (rest_of_handle_global_alloc): Ditto.
13574 * jump.c (cleanup_barriers): Ditto.
13575 (purge_line_number_notes): Ditto.
13576 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13577 (rest_of_handle_if_after_reload): Ditto.
13578 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13579 (tree_ssa_loop_im): Ditto.
13580 (tree_ssa_loop_unswitch): Ditto.
13581 (tree_vectorize): Ditto.
13582 (tree_linear_transform): Ditto.
13583 (tree_ssa_loop_ivcanon): Ditto.
13584 (tree_ssa_empty_loop): Ditto.
13585 (tree_ssa_loop_bounds): Ditto.
13586 (tree_complete_unroll): Ditto.
13587 (tree_ssa_loop_prefetch): Ditto.
13588 (tree_ssa_loop_ivopts): Ditto.
13589 (tree_ssa_loop_done): Ditto.
13590 * predict.c (tree_estimate_probability): Ditto.
13591 * recog.c (split_all_insns_noflow): Ditto.
13592 (rest_of_handle_peephole2): Ditto.
13593 (rest_of_handle_split_all_insns): Ditto.
13594 * tree-eh.c (lower_eh_constructs): Ditto.
13595 * regmove.c (rest_of_handle_regmove): Ditto.
13596 (rest_of_handle_stack_adjustments): Ditto.
13597 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13598 * function.c (instantiate_virtual_regs): Ditto.
13599 (init_function_for_compilation): Ditto.
13600 (rest_of_handle_check_leaf_regs): Ditto.
13601 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13602 (rest_of_handle_gcse): Ditto.
13603 * ipa-type-escape.c (type_escape_execute): Ditto.
13604 * alias.c (rest_of_handle_cfg): Ditto.
13605 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13606 * profile.c (rest_of_handle_branch_prob): Ditto.
13607 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13608 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13609 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13610 * tree-dfa.c (find_referenced_vars): Ditto.
13611 * except.c (set_nothrow_function_flags): Ditto.
13612 (convert_to_eh_region_ranges): Ditto.
13613 (rest_of_handle_eh): Ditto.
13614 * emit-rtl.c (unshare_all_rtl): Ditto.
13615 (remove_unnecessary_notes): Ditto.
13616 * except.h (set_nothrow_function_flags): Ditto.
13617 (convert_to_eh_region_ranges): Ditto.
13618 * cfgexpand.c (tree_expand_cfg): Ditto.
13619 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13620 * tree-ssa-pre.c (do_pre): Ditto.
13621 (execute_fre): Ditto.
13622 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13623 (rest_of_handle_jump2): Ditto.
13624 * tree-sra.c (tree_sra): Ditto.
13625 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13626 (execute_mudflap_function_decls): Ditto.
13627 * tree-ssa-copy.c (do_copy_prop): Ditto.
13628 (do_store_copy_prop): Ditto.
13629 * ipa-prop.h (ipcp_driver): Ditto.
13630 * cfglayout.c (insn_locators_initialize): Ditto.
13631 * tree-ssa-forwprop.c
13632 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13633 * cfglayout.h (insn_locators_initialize): Ditto.
13634 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13635 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13636 (execute_late_warn_uninitialized): Ditto.
13637 * rtl.h (cleanup_barriers): Ditto.
13638 (split_all_insns_noflow): Ditto.
13639 (purge_line_number_notes): Ditto.
13640 (unshare_all_rtl): Ditto.
13641 (remove_unnecessary_notes): Ditto.
13642 (recompute_reg_usage): Ditto.
13643 (variable_tracking_main): Ditto.
13644 * integrate.c (emit_initial_value_sets): Ditto.
13645 * integrate.h (emit_initial_value_sets): Ditto.
13646 * tree-optimize.c (execute_free_datastructures): Ditto
13647 (execute_free_cfg_annotations): Ditto.
13648 (execute_fixup_cfg): Ditto.
13649 (execute_cleanup_cfg_pre_ipa): Ditto.
13650 (execute_cleanup_cfg_post_optimizing): Ditto.
13651 (execute_init_datastructures): Ditto.
13652 * tree-object-size.c (compute_object_sizes): Ditto.
13653 * combine.c (rest_of_handle_combine): Ditto.
13654 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13655 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13656 (rest_of_handle_reorder_blocks): Ditto.
13657 (rest_of_handle_partition_blocks): Ditto.
13658 * var-tracking.c (variable_tracking_main): Ditto.
13659 * tree-profile.c (tree_profiling): Ditto.
13660 * tree-vect-generic.c (expand_vector_operations): Ditto.
13661 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13662 * sched-rgn.c (rest_of_handle_sched): Ditto.
13663 (rest_of_handle_sched2): Ditto.
13664 * basic-block.h (free_bb_insn): Ditto.
13665 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13666 * tree-cfg.c (execute_build_cfg): Ditto.
13667 (remove_useless_stmts): Ditto.
13668 (split_critical_edges): Ditto.
13669 (execute_warn_function_return): Ditto.
13670 (execute_warn_function_noreturn): Ditto.
13671 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13672 * cfgrtl.c (free_bb_for_insn): Ditto.
13673 * passes.c (execute_one_pass): Run additional
13674 todos returned by execute function.
13675 * tree-pass.h (struct tree_opt_pass): Make execute
13678 2006-03-02 Richard Guenther <rguenther@suse.de>
13680 * tree-ssa-alias.c (find_used_portions): Consider taking
13681 the address as making the variable not write-only.
13683 2006-03-02 Nick Clifton <nickc@redhat.com>
13685 * config.gcc (default_use_cxa_atexit): Extend the description of
13686 this configure variable. Set its default value to "yes" for
13687 Linux, NetBSD and ELF targets on the assumption that they will
13688 use C libraries with the __cxa_atexit function.
13690 2006-03-02 Ben Elliston <bje@au.ibm.com>
13692 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13693 parameter as unused to suppress a build warning.
13695 2006-03-02 Ben Elliston <bje@au.ibm.com>
13697 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13700 2006-03-01 Roger Sayle <roger@eyesopen.com>
13703 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13704 declared name, the weak reference name, and the typeof name.
13705 (__gthrw): Avoid expanding the declared name suffix.
13706 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13708 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13710 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13712 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13713 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13714 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13715 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13716 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13717 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13718 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13719 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13720 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13721 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13722 (DW_END_default, DW_END_big, DW_END_little): New.
13723 (DW_END_lo_user, DW_END_hi_user): Define.
13724 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13725 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13726 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13729 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13731 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13733 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13735 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13737 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13739 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13740 to 'symbol_mem_tag'.
13742 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13745 2006-03-01 Roger Sayle <roger@eyesopen.com>
13747 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13749 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13752 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13753 MACHO_DYNAMIC_NO_PIC_P.
13754 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13756 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13759 * config/darwin-protos.h (darwin_asm_output_anchor):
13761 * config/darwin-sections.def (cstring_section):
13762 Add SECTION_MERGE to the flags.
13763 (literal4_section): Likewise.
13764 (literal8_section): Likewise.
13765 (objc_selector_refs_section): Likewise.
13766 (objc_cls_refs_section): Likewise.
13767 * config/darwin.c (darwin_asm_output_anchor): New
13769 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13771 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13773 Fix PR tree-optimization/26443
13774 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13775 to todo and PROP_tmt_usage to properties_destroyed.
13776 * tree-ssa-ccp.c (pass_ccp): Ditto.
13777 (pass_store_ccp): Ditto.
13778 * tree-ssa-dom.c (pass_dominator): Ditto.
13780 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13782 * tree-ssa-operands.c: Cleanup whitespace.
13783 (get_asm_expr_operands): Move before first invocation.
13784 (get_indirect_ref_operands): Likewise.
13785 (get_tmr_operands): Likewise.
13786 (get_call_expr_operands): Likewise.
13787 (append_def): Likewise.
13788 (append_use): Likewise.
13789 (append_v_may_def): Likewise.
13790 (append_v_must_def): Likewise.
13791 (add_call_clobber_ops): Likewise.
13792 (add_call_read_ops): Likewise.
13793 (add_stmt_operand): Likewise.
13794 (add_virtual_operand): Likewise.
13795 (build_ssa_operands): Likewise.
13797 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13799 PR middle-end/26022
13801 PR middle-end/24437
13802 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13803 with a call expr to ...
13804 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13806 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13808 * tree-vrp.c (extract_range_from_assert): Remove special
13809 handling for types with super-types.
13811 2006-03-01 Ben Elliston <bje@au.ibm.com>
13813 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13814 and powerpc64-*-linux* configurations.
13815 * config/t-dfprules: New file.
13817 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13818 Compile dfp-bit.c from the source directory using -DWIDTH and
13819 $DFP_CFLAGS to control the compilation of that file, rather than
13820 generating width-specific versions in the build directory.
13821 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13822 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13824 2006-02-28 Zack Weinberg <zackw@panix.com>
13826 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13829 2006-02-28 Eric Christopher <echristo@apple.com>
13831 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13832 Set up IN_LIBGCC definition of TARGET_64BIT.
13833 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13835 2006-02-28 Roger Sayle <roger@eyesopen.com>
13837 PR middle-end/14752
13838 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13839 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13840 cases via the construction of "expr != 0".
13842 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13844 * alias.c (alias_invariant, alias_invariant_size): Remove.
13845 (record_base_value): Remove.
13846 (memrefs_conflict_p): Don't look at alias_invariant.
13847 (end_alias_analysis): Don't free it.
13848 * alias.h (record_base_value): Remove prototype.
13850 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13851 Adam Nemet <anemet@caviumnetworks.com>
13853 * rtl.h (truncated_to_mode): Declare it.
13854 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13855 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13856 (RTL_HOOKS_INITIALIZER): Include it.
13857 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13858 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13859 reg_truncated_to_mode.
13860 * rtlanal.c (truncated_to_mode): Define it.
13861 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13863 2006-02-28 Jeff Law <law@redhat.com>
13865 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13866 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13867 the range allowed by TYPE_PRECISION.
13869 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13871 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13873 PR tree-optimization/26419
13874 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13877 2006-02-27 Zack Weinberg <zackw@panix.com>
13879 * doc/md.texi: Fix typo in previous change.
13881 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13885 2006-02-27 Zack Weinberg <zackw@panix.com>
13887 * rtl.def (define_constraint, define_register_constraint)
13888 (define_memory_constraint, define_address_constraint): New MD forms.
13889 * gensupport.c (process_rtx): Put define_constraint etc on the
13891 * genpreds.c (process_define_predicate): Adjust comment. Validate
13892 the name, and call validate_exp to validate the expression.
13893 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13894 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13895 all callers changed.
13896 (validate_exp, needs_variable, struct constraint_data)
13897 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13898 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13899 (const_dbl_constraints, constraint_max_namelen)
13900 (have_register_constraints, have_memory_constraints)
13901 (have_address_constraints, have_address_constraints)
13902 (have_extra_constraints, have_const_int_constraints)
13903 (have_const_dbl_constraints, mangle, add_constraint)
13904 (process_define_constraint, process_define_register_constraint)
13905 (write_enum_constraint_num, write_lookup_constraint)
13906 (write_insn_constraint_len, write_regclass_for_constraint)
13907 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13908 (write_insn_extra_memory_constraint)
13909 (write_insn_extra_address_constraint)
13910 (write_satisfies_constraint_fns): New.
13911 (write_tm_preds_h): If we have new-style constraint definitions,
13912 prototype the functions generated from them, and define the
13913 old constraint interface (still used by generic code) in terms of
13915 (write_insn_preds_c): If we have new-style constraint definitions,
13916 generate all relevant functions from those definitions.
13917 (main): Handle define_constraint etc.
13918 * genoutput.c (struct constraint_data, indep_constraints)
13919 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13920 (mdep_constraint_len): New data structures and functions, defined
13921 #ifdef USE_MD_CONSTRAINTS.
13922 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13923 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13924 use new logic to validate operand constraints against constraint
13926 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13928 * defaults.h: If none of the old-style constraint macros are
13929 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13930 old-style macros; and poison REG_CLASS_FROM_LETTER,
13931 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13933 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13934 * doc/md.texi: Document new constraint-definition mechanism and the
13935 C interface it provides. Remove references to old mechanism
13936 elsewhere in the document.
13937 (Machine Constraints): Use pathnames relative to gcc directory,
13938 i.e. config/ARCH/FILE. Change i386 section to refer to
13939 config/i386/predicates.md; update that section to match docstrings.
13940 * doc/tm.texi: Move all documentation of the old constraint-
13941 definition macros to their own section, clearly mark as obsolete.
13943 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13944 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13946 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13947 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13948 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13949 constraint strings.
13950 (splits and peepholes): Use satisfies_constraint_*.
13951 * config/i386/i386.c (memory_address_length)
13952 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13954 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13956 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13957 scalar operation to be put back into the loop.
13959 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13962 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13963 (extract_cie_info): Handle S flag in augmentation string.
13964 (execute_cfa_program): If context->signal_frame, execute also
13965 fs->pc == context->ra instructions.
13966 (uw_frame_state_for): If context->signal_frame, don't subtract one
13967 from context->ra to find FDE.
13968 (uw_update_context_1): Set context->signal_frame to
13970 (_Unwind_GetIPInfo): New function.
13971 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13972 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13974 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13975 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13976 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13977 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13978 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13979 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13980 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13981 x86_64_fallback_frame_state): Set fs->signal_frame.
13982 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13983 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13984 (frob_update_context): Likewise. Workaround missing S flag in
13985 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13986 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13987 Remove the psw_addr + 1 hack.
13989 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13991 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13992 with aggregates here.
13993 (find_func_aliases): Remove code for &<aggregate> from here.
13995 2006-02-26 Roger Sayle <roger@eyesopen.com>
13997 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13998 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13999 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14000 as (X & C) ne/eq 0.
14002 2006-02-26 Roger Sayle <roger@eyesopen.com>
14004 PR middle-end/19983
14005 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14007 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14009 * opts.c (decode_options): Do not handle flag_strength_reduce.
14010 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14011 and OPT_fstrength_reduce.
14012 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14013 flag_prefetch_loop_arrays for being nonzero.
14014 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14016 (fprefetch-loop-arrays-rtl): Removed.
14017 (flag_prefetch_loop_arrays): Do not specify the value.
14019 * doc/passes.texi: Update documentation of loop optimizer
14021 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14022 -frerun-loop-opt): Remove.
14024 2006-02-26 Richard Guenther <rguenther@suse.de>
14026 PR tree-optimization/26421
14027 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14028 in function calls that are ADDR_EXPRs as using the whole structure.
14030 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14032 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14033 * tree-pass.h (pass_loop_optimize): Remove.
14034 * passes.c (pass_loop_optimize): Never run it.
14035 * toplev.c (backend_init): Don't call init_loop.
14036 * opts.c (flag_loop_optimize_set): Remove.
14037 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14038 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14039 the old RTL loop optimizer when profiling enabled.
14040 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14041 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14042 pre-headers for the sake of the old RTL loop optimizer.
14043 * Makefile.in: Remove all references to loop.o.
14045 * doc/invoke.texi: Remove all references to -floop-optimize
14046 and -frerun-loop-opt.
14048 2006-02-26 Zack Weinberg <zackw@panix.com>
14050 * doc/md.texi (Machine Constraints): Refer to all files with paths
14051 relative to gcc directory (i.e. config/CPU/file). Add missing
14052 @table @code ... @end table to M32C subsection.
14054 2006-02-26 Roger Sayle <roger@eyesopen.com>
14056 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14058 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14060 2006-02-26 Roger Sayle <roger@eyesopen.com>
14061 James A. Morrison <phython@gcc.gnu.org>
14063 PR middle-end/21137
14064 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14065 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14066 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14067 signedness of the shift operation.
14069 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14071 PR tree-optimization/26359
14072 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14074 2006-02-25 Roger Sayle <roger@eyesopen.com>
14076 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14077 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14078 as X == 0, and some symmetry related transformations.
14079 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14081 2006-02-25 Roger Sayle <roger@eyesopen.com>
14083 PR middle-end/23673
14084 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14085 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14086 symmetry related transformations. Fold (X^C1) == C2 as
14089 2006-02-25 Juergen Weigert <jw@suse.de>
14090 Richard Guenther <rguenther@suse.de>
14092 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14094 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14096 * combine.c (gen_lowpart_or_truncate): Call
14097 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14099 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14101 * doc/invoke.texi: Move -fopenmp description to "Options for
14103 Remove reference to -lgomp.
14105 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14107 * doc/install.texi: Require GNU tar version 1.14.
14109 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14111 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14112 * doc/invoke.texi (C++ Dialect Options): Document
14113 -fno-use-cxa-get-exception-ptr.
14114 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14115 * configure: Regenerate.
14116 * c.opt (fuse-cxa-get-exception-ptr): New.
14117 * c-opts.c (c_common_handle_option): Handle
14118 OPT_fuse_cxa_get_exception_ptr.
14119 * c-common.c (flag_use_cxa_atexit): Update documentation.
14120 (flag_use_cxa_get_exception_ptr): New.
14121 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14122 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14124 (C_COMMON_OVERRIDE_OPTIONS): New.
14126 2006-02-24 Roger Sayle <roger@eyesopen.com>
14128 PR middle-end/24952
14129 * combine.c (try_combine): Explicitly check whether GET_CODE is
14130 a SET or a CLOBBER, instead on checking that it isn't a USE.
14132 2006-02-24 Roger Sayle <roger@eyesopen.com>
14134 * fold-const.c (fold_comparison): New subroutine of fold_binary
14135 containing transformations common to both the equality and
14136 ordering relational operators, factored out of fold_binary.
14137 (fold_binary): Separate out the equality operators (EQ_EXPR
14138 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14139 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14140 transformations common to both.
14141 (fold_div_compare): Fix latent bugs in the previously unreachable
14142 LT_EXPR and GE_EXPR cases.
14144 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14146 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14147 decl libname for clog to __clog on AIX.
14149 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14151 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14154 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14155 output traceback table for thunks. Localise rs6000_stack_info call.
14157 2006-02-23 Roger Sayle <roger@eyesopen.com>
14158 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14160 * gthr-posix.h (__gthrw): Fix typo in comment.
14162 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14164 * doc/cpp.texi (Character sets): Document that we do support
14165 input files to be in any character set.
14167 2006-02-23 Jeff Law <law@redhat.com>
14169 * tree.h (PHI_ARG_NONZERO): Remove.
14170 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14171 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14172 node to the new node.
14174 PR tree-optimization/26425
14175 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14176 min/max, then assume its varying.
14178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14180 PR rtl-optimization/26316
14181 * rtlanal.c (enum may_trap_p_flags): New.
14182 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14183 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14184 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14185 (may_trap_after_code_motion_p): New function.
14186 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14187 (find_invariant_insn): Use may_trap_after_code_motion_p.
14188 * rtl.h (may_trap_after_code_motion_p): Declare.
14190 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14192 * emit-rtl.c (immed_double_const): Cleanup.
14194 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14196 Fix PR tree-optimization/26376
14197 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14202 PR middle-end/26412
14203 * gimplify.c (omp_add_variable): Guard variable size decl test with
14204 DECL_SIZE (decl) check.
14206 2006-02-23 Richard Guenther <rguenther@suse.de>
14208 PR middle-end/26439
14209 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14210 like aggregate types.
14212 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14214 * configure.ac: Add --with{,out}-long-double-128 configure option.
14215 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14216 * configure: Rebuilt.
14217 * config.in: Rebuilt.
14218 * doc/install.texi (Options specification): Document
14219 --with-long-double-128.
14221 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14222 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14223 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14224 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14226 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14228 * config/s390/s390.c (override_options): Handle
14229 TARGET_DEFAULT_LONG_DOUBLE_128.
14231 * config/alpha/alpha.c (override_options): Handle
14232 TARGET_DEFAULT_LONG_DOUBLE_128.
14234 * config/sparc/sparc.c (sparc_override_options): Handle
14235 TARGET_DEFAULT_LONG_DOUBLE_128.
14237 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14239 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14240 (real-install-headers-tar, real-install-headers-cpio)
14241 (real-install-headers-cp): New targets.
14243 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14245 * tree.h (variable_section): Delete.
14246 * varasm.c (variable_section): Delete.
14248 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14250 * install.texi: Add notes on install.texi2html.
14251 (Building in parallel): Do not use footnotes.
14253 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14256 * doc/install.texi (Configuration): Document --disable-libgomp.
14258 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14260 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14262 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14264 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14265 (vec_extractv2df_0_sse): New.
14267 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14269 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14270 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14271 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14272 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14273 to the result of the expression.
14274 (def_cfa_1): Adjust.
14275 (frame_pointer_cfa_offset): Rename to...
14276 (frame_pointer_fb_offset): ... this. Adjust all uses.
14277 (convert_cfa_to_loc_list): Rename to...
14278 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14279 Pass it on to build_cfa_loc.
14280 (compute_frame_pointer_to_cfa_displacement): Rename to...
14281 (compute_frame_pointer_to_fb_displacement): ... this. New
14282 offset parameter. Use it in computation.
14283 (gen_subprogram_die): Compute cfa_fb_offset with the new
14284 macro, and use it to compute the fb loc list and the
14287 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14289 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14290 replaced with register_operand.
14291 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14292 non-DREG is expensive.
14293 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14294 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14297 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14299 * doc/install.texi2html: Use set -e.
14301 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14303 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14304 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14305 * doc/invoke.texi (-fshared-data): Delete.
14306 * common.opt (fshared-data): Delete.
14307 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14308 (assemble_static_space): Remove #if 0 code.
14309 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14310 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14311 * config/cris/cris.h: Remove FIXME.
14313 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14315 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14318 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14320 PR middle-end/26379
14321 * combine.c (simplify_shift_const_1): Disable nested shifts
14322 optimization for vector shifts.
14324 2006-02-20 Roger Sayle <roger@eyesopen.com>
14326 PR tree-optimization/26361
14327 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14328 of unsigned integer types.
14330 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14332 * tree-chrec.c (eq_evolutions_p): New.
14333 * tree-chrec.h (eq_evolutions_p): Declared.
14334 * tree-data-ref.c: Fix formatting.
14335 (datadep_stats, dependence_stats): New.
14337 (print_direction_vector): New.
14338 (dump_data_dependence_relation): Use print_direction_vector.
14339 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14340 (compute_subscript_distance): Static.
14341 (initialize_data_dependence_relation): Static. Get the number
14342 of loops surrounding the references from the callers, and initialize
14343 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14344 base_object_differ_p analyzers.
14345 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14346 compute_overlap_steps_for_affine_1_2,
14347 analyze_subscript_affine_affine): Count the classified dependences.
14348 Print a message when a test failed.
14349 (can_use_analyze_subscript_affine_affine): New.
14350 (analyze_siv_subscript): Compute the data dependences on symbolic
14351 scevs that verify can_use_analyze_subscript_affine_affine.
14352 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14353 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14354 Handle symbolic scevs.
14355 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14357 (subscript_dependence_tester): Moved...
14358 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14359 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14360 DDR_SIZE_VECT instead of getting it in parameter.
14361 (subscript_dependence_tester): ... here. Take as a parameter
14362 loop_nest_depth. Call build_classic_dist_vector and
14363 build_classic_dir_vector.
14364 (compute_affine_dependence): Update subscript_dependence_tester
14365 parameters. Update datadep_stats counters. Call
14366 compute_subscript_distance.
14367 (compute_self_dependence): Save the dist and dir vectors. Call
14368 compute_subscript_distance.
14369 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14370 (compute_all_dependences): Reorder parameters as they were before
14371 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14372 compute_subscript_distance. Update the use of
14373 compute_affine_dependence and initialize_data_dependence_relation.
14374 (find_data_references_in_loop): Handle COMPONENT_REF.
14375 (compute_data_dependences_for_loop): Initialize dependence_stats.
14376 Don't call build_classic_dist_vector and build_classic_dir_vector.
14377 Update the parameters of initialize_data_dependence_relation and
14378 compute_all_dependences. Print the statistics from datadep_stats.
14379 (analyze_all_data_dependences): Static. Not used until the pass for
14380 checking the data dependences is contributed.
14381 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14382 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14383 (initialize_data_dependence_relation, compute_affine_dependence,
14384 analyze_all_data_dependences, compute_subscript_distance): Removed.
14385 (print_direction_vector): New.
14386 * lambda.h (gcd): ... here.
14387 (lambda_vector_gcd): Moved here from gcd_vector.
14388 * lambda-code.c (gcd, gcd_vector): Removed.
14389 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14390 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14392 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14394 * ipa-type-escape.c: Tidy some comments and white space.
14395 * tree-ssa-operands.c: Likewise.
14397 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14400 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14401 (dump_decl_name): Do not walk the decl tree chains.
14402 * tree-pass.h (TDF_CHAIN): Remove.
14404 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14406 * Makefile.in (C): Remove
14408 (.PHONY): Remove C and PROTO
14410 2006-02-20 Roger Sayle <roger@eyesopen.com>
14412 PR middle-end/26236
14413 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14414 deprecated CHAR_TYPE tree code.
14416 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14418 * configure.ac (target_list): Add install-info, dvi, html.
14419 * configure: Regenerate.
14421 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14422 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14423 treelang/Make-lang.in: Do not use double-colon rules.
14425 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14427 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14428 (TMT_USED_ALONE): New macro.
14429 * tree-pass.h (PROP_tmt_usage): New property.
14430 (TODO_update_tmt_usage): New todo.
14431 * tree-ssa-alias.c (updating_used_alone): New variable.
14432 (recalculate_used_alone): New function.
14433 (compute_may_aliases): Set updating_used_alone, call
14434 recalculate_used_alone.
14435 * tree-sra.c (pass_sra): Note that this pass destroys
14436 PROP_tmt_usage, and add TODO_update_tmt_usage.
14437 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14438 * tree-flow.h (updating_used_alone): Prototype.
14439 (recalculate_used_alone): Ditto.
14440 * passes.c (execute_todo): Add code to set updating_used_alone,
14441 and call recalculate.
14442 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14443 for clobber if used alone, and add assert to verify used_alone
14446 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14448 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14449 for non tls symbols added.
14450 (legitimize_address): Do nothing for PLUS expressions if one of the
14451 addends is a tls symbol reference.
14453 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14457 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14459 * Makefile.in (BOOTSTRAPPING): New.
14460 (quickstrap): New definition if BOOTSTRAPPING=yes.
14462 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14463 * configure.ac: Substitute all_selected_languages with the languages
14464 that were configured. For all the other variables except
14465 lang_specs_files, include all the languages in the tree.
14466 * configure: Regenerate.
14468 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14469 if there is one. Run the commands to run fixincludes in the same
14472 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14473 * doc/install.texi: Document exact conventions for searching target tools.
14474 Document --with-build-time-tools. Document toplevel bootstrap. Document
14475 something more about building an Ada cross-compiler. Don't list GNU Make
14476 requirements which affect all platforms.
14478 2006-02-19 Roger Sayle <roger@eyesopen.com>
14480 PR middle-end/19543
14481 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14482 only equivalent if the have both the same mode and precision.
14484 2006-02-20 Ben Elliston <bje@au.ibm.com>
14486 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14488 2006-02-19 Roger Sayle <roger@eyesopen.com>
14489 Steven Bosscher <stevenb.gcc@gmail.com>
14491 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14492 constant pool references to identify stack mode constants.
14493 * rtlanal.c (constant_pool_constant_p): New predicate to check
14494 whether operand is a floating point constant in the pool.
14495 * rtl.h (constant_pool_constant_p): Prototype here.
14496 * loop.c (scan_loop): Avoid hoisting constants from the constant
14497 pool on STACK_REGS targets.
14498 (load_mems): Likewise.
14499 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14500 loads into x87 registers expensive in terms of register pressure.
14502 2006-02-19 Roger Sayle <roger@eyesopen.com>
14504 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14505 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14507 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14509 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14510 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14512 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14514 * doc/invoke.texi: Document -fipa-pta.
14515 * common.opt: Add ipa-pta option.
14516 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14517 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14518 (do_ds_constraint): Ditto.
14519 (get_constraint_for): Only add to referenced_vars if
14520 referenced_vars exists.
14521 (insert_into_field_list): Rewrite to do this unsorted.
14522 (insert_into_field_list_sorted): Rename old insert_into_field_list
14524 (create_function_info_for): Use insert_into_field_list_sorted.
14525 (create_variable_info_for): Rewrite so it uses unsorted version,
14526 since the field list is sorted.
14527 (intra_create_variable_infos): Only add to referenced_vars if
14528 referenced_vars exists.
14529 (ipa_pta_execute): Init heapvars, and delete when done.
14530 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14532 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14534 * doc/install.texi: Add missing `@samp'.
14536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14538 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14541 2006-02-18 Mark Wielaard <mark@klomp.org>
14543 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14544 who added new 4.1 features, bug fixes and integration support.
14546 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14549 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14550 MEM for ABI_V4 pic.
14552 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14554 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14555 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14556 (copy_insn_1): Likewise. Don't copy each field individually.
14558 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14560 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14561 * rtl.c (rtx_size): Rename variable to...
14562 (rtx_code_size): ...this.
14563 (rtx_size): New function.
14564 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14565 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14567 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14568 * rtl.h (rtx_code_size): New variable.
14569 (rtx_size): Change from a variable to a function.
14570 (RTX_SIZE): Rename to...
14571 (RTX_CODE_SIZE): ...this.
14574 PR tree-optimization/17106
14575 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14576 (Anchored Addresses): New section.
14577 * doc/invoke.texi (-fsection-anchors): Document.
14578 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14579 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14580 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14581 * hooks.c (hook_bool_mode_rtx_false): New function.
14582 * hooks.h (hook_bool_mode_rtx_false): Declare.
14583 * gengtype.c (create_optional_field): New function.
14584 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14585 SYMBOL_REF_IN_BLOCK_P is true.
14586 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14587 (min_anchor_offset, max_anchor_offset): Likewise.
14588 (use_anchors_for_symbol_p): New hook.
14589 * toplev.c (compile_file): Call output_object_blocks.
14590 (target_supports_section_anchors_p): New function.
14591 (process_options): Check that -fsection-anchors is only used on
14592 targets that support it and when -funit-at-a-time is in effect.
14593 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14594 if the decl doesn't have one.
14595 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14596 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14597 of force_const_mem through use_anchored_address.
14598 (expand_expr_constant): New function.
14599 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14600 calling expand_expr for INDIRECT_REF.
14601 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14602 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14603 * expr.h (use_anchored_address): Declare.
14604 * loop-unroll.c: Don't declare rtx vectors here.
14605 * explow.c: Include output.h.
14606 (validize_mem): Call use_anchored_address.
14607 (use_anchored_address): New function.
14608 * common.opt (-fsection-anchors): New switch.
14609 * varasm.c (object_block_htab, anchor_labelno): New variables.
14610 (hash_section, object_block_entry_eq, object_block_entry_hash)
14611 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14612 (use_blocks_for_decl_p, change_symbol_section): New functions.
14613 (get_variable_section): New function, split out from assemble_variable.
14614 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14615 use_blocks_for_decl_p say so. Use change_symbol_section if the
14616 symbol has already been created.
14617 (assemble_variable_contents): New function, split out from...
14618 (assemble_variable): ...here. Don't output any code for
14619 block symbols; just pass them to place_block_symbol.
14620 Use get_variable_section and assemble_variable_contents.
14621 (get_constant_alignment, get_constant_section, get_constant_size): New
14622 functions, split from output_constant_def_contents.
14623 (build_constant_desc): Create a block symbol if use_object_blocks_p
14624 says so. Or into SYMBOL_REF_FLAGS.
14625 (assemble_constant_contents): New function, split from...
14626 (output_constant_def_contents): ...here. Don't output any code
14627 for block symbols; just pass them to place_section_symbol.
14628 Use get_constant_section and get_constant_alignment.
14629 (force_const_mem): Create a block symbol if use_object_blocks_p and
14630 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14631 (output_constant_pool_1): Add an explicit alignment argument.
14632 Don't switch sections here.
14633 (output_constant_pool): Adjust call to output_constant_pool_1.
14634 Switch sections here instead. Don't output anything for block symbols;
14635 just pass them to place_block_symbol.
14636 (init_varasm_once): Initialize object_block_htab.
14637 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14638 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14639 (place_block_symbol, get_section_anchor, output_object_block)
14640 (output_object_block_htab, output_object_blocks): New functions.
14641 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14642 (TARGET_ASM_OUT): Include it.
14643 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14644 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14645 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14646 (TARGET_INITIALIZER): Include them.
14647 * rtl.c (rtl_check_failed_block_symbol): New function.
14648 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14649 (block_symbol, object_block): New structures.
14650 (rtx_def): Add a block_symbol field to the union.
14651 (BLOCK_SYMBOL_CHECK): New macro.
14652 (rtl_check_failed_block_symbol): Declare.
14653 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14654 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14655 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14656 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14657 * output.h (output_section_symbols): Declare.
14658 (object_block): Name structure.
14659 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14660 (default_use_anchors_for_symbol_p): Declare.
14661 * Makefile.in (RTL_BASE_H): Add vec.h.
14662 (explow.o): Depend on output.h.
14663 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14664 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14665 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14666 (rs6000_use_blocks_for_constant_p): New function.
14668 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14670 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14672 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14675 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14678 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14680 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14684 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14686 PR middle-end/26334
14687 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14688 instead of DECL_REGISTER.
14690 2006-02-18 Olivier Hainque <hainque@adacore.com>
14693 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14695 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14698 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14699 * opth-gen.awk: Handle Var and InverseMask together.
14700 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14701 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14702 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14703 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14705 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14706 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14707 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14708 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14709 LINUX_DYNAMIC_LINKER): Define.
14710 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14711 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14713 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14714 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14715 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14717 (TARGET_C99_FUNCTIONS): Don't define.
14718 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14719 GLIBC_DYNAMIC_LINKER.
14720 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14721 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14722 GLIBC_DYNAMIC_LINKER64): Define.
14723 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14724 LINUX_DYNAMIC_LINKER64.
14725 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14727 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14729 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14731 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14732 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14733 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14735 and LINUX_DYNAMIC_LINKER32.
14736 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14738 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14740 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14742 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14743 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14744 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14745 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14746 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14747 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14748 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14749 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14750 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14751 LINUX_DYNAMIC_LINKER): Define.
14752 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14753 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14754 GLIBC_DYNAMIC_LINKER64): Define.
14755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14756 LINUX_DYNAMIC_LINKER64.
14757 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14758 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14759 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14760 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14761 LINUX_DYNAMIC_LINKER): Define.
14762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14763 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14764 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14765 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14766 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14767 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14768 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14769 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14770 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14771 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14773 * doc/invoke.texi (-muclibc): Remove caveat about supported
14776 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14778 * doc/cpp.texi (__TIMESTAMP__): Document.
14780 2006-02-17 Roger Sayle <roger@eyesopen.com>
14782 PR middle-end/25600
14783 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14784 C is one less than the width of X (and related transformations).
14785 * simplify-rtx.c (simplify_unary_operation_1): Transform
14786 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14787 depending on STORE_FLAG_VALUE, were C is one less then the
14790 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14792 Fix PR tree-optimization/26341
14793 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14794 about NAME_MEMORY_TAG's.
14796 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14799 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14800 with hardware float support, and software float support. Add fcpy
14801 alternative to hardware patterns. Add alternatives to copy between
14802 general and floating-point registers to the 32-bit pattern.
14803 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14804 secondary reload to load a QI or HI mode constant into a floating
14806 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14807 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14809 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14812 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14814 (load_macho_picbase_di): Likewise.
14816 2006-02-16 Jeff Law <law@redhat.com>
14818 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14819 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14820 (ssa_name_nonzero_p): Likewise.
14821 (get_value_range): Return NULL if VRP is not running.
14822 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14823 VRP routines do not discover a range.
14824 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14825 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14826 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14827 (tree_expr_nonnegative_p): Similarly.
14828 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14829 (restore_nonzero_vars_to_original_value): Remove.
14830 (unsafe_associative_fp_binop): Remove.
14831 (tree_ssa_dominator_optimize): Remove initialization and
14832 finalization of nonzero_vars and nonzero_vars_stack.
14833 (dom_opt_initialize_block): No longer push marker on
14834 nonzero_vars_stack.
14835 (dom_opt_finalize_block): No longer call
14836 restore_nonzero_vars_to_original_value.
14837 (record_equivalences_from_phis): No longer look for
14838 nonzero PHI arguments.
14839 (cprop_into_successor_phis): No longer propagate nonzero
14840 property into PHI arguments. Lose unused argument. Caller
14842 (record_equivalences_from_stmt): No longer record nonzero
14843 values for SSA_NAMEs.
14844 (lookup_avail_expr): No longer use nonzero_vars.
14846 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14847 for sizetype when sizetype is unsigned.
14849 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14851 PR rtl-optimization/25603
14852 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14853 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14854 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14855 with new meaning of SETS.
14857 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14862 * config/linux.opt: New file.
14863 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14864 LINUX_DYNAMIC_LINKER): Define.
14865 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14866 * config.gcc (*-*-linux*): Define extra_options.
14867 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14868 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14869 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14870 GLIBC_DYNAMIC_LINKER.
14871 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14872 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14873 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14875 * doc/invoke.texi (GNU/Linux Options): New section.
14877 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14879 * config/sparc/sparc.md (setjmp): Rewrite.
14880 (setjmp_32): Delete.
14881 (setjmp_64): Likewise.
14883 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14885 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14888 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14890 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14893 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14895 PR rtl-optimization/26296
14896 * Makefile.in (loop-invariant.c): Add except.h dependency.
14897 * loop-invariant.c: Include except.h.
14898 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14900 2005-02-16 Paul Brook <paul@codesourcery.com>
14902 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14905 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14907 PR rtl-optimization/25636
14908 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14909 when deciding whether an insn is an initializing insn.
14911 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14913 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14914 (tree_code_size): Ditto.
14915 * tree.h (struct tree_memory_tag): Remove parent_var.
14916 (struct tree_struct_field_tag): New.
14919 (union tree_node): Add sft member.
14920 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14922 (create_sft): Add size and offset argument, set SFT_OFFSET and
14924 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14925 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14926 * tree-flow-inline.h (get_subvar_at): Update for
14927 SFT_OFFSET/SFT_SIZE.
14928 (var_can_have_subvars): Ditto.
14929 (overlap_subvar): Ditto.
14930 * print-tree.c (print_node): Print out interesting things for
14932 * tree-flow.h (struct subvar): Remove offset and size members.
14933 * tree-ssa-operands.c (get_expr_operands): Update for
14934 get_indirect_ref_operands changes.
14935 (get_indirect_ref_operands): Call add_virtual_operand instead of
14936 add_stmt_operand. Only recurse on base var if requested.
14937 (access_can_touch_variable): New function.
14938 (add_stmt_operand): Split virtual operand handling into ...
14939 (add_virtual_operand): Here. Add offset, size, and for_clobber
14940 arguments. Prune alias sets.
14941 (add_call_clobber_ops): Call add_virtual_operand.
14943 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14945 PR middle-end/26300
14946 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14948 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14949 than TREE_CODE as index into omp_clause_num_ops array.
14951 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14953 PR rtl-optimization/26184
14954 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14956 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14957 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14958 must_precede, must_follow and tobe_scheduled.
14961 * opts.c (common_handle_option): Free new_option pointer.
14962 * df-core.c (df_analyze): Free postorder pointer.
14964 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14966 * Makefile.in: Fix the examples about the use of stamps
14968 2006-02-15 Michael Matz <matz@suse.de>
14970 PR middle-end/22275
14972 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14973 influenced by maximum_field_alignment or DECL_PACKED.
14974 (update_alignment_for_field): Ditto.
14975 (place_field): Ditto.
14976 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14979 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14981 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14982 (debug_flow_info): Pass it.
14983 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14984 * bb-reorder.c (reorder_basic_blocks): Likewise.
14985 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14986 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14987 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14988 * gcse.c (gcse_main, bypass_jumps): Likewise.
14989 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14990 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14991 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14992 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14993 * rtl.h (dump_flow_info): Adjust prototype.
14994 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14995 * var-tracking.c (variable_tracking_main): Likewise.
14996 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14997 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15000 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15002 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15005 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15007 PR tree-optimization/26209
15008 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15009 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15011 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15013 2006-02-14 Roger Sayle <roger@eyesopen.com>
15015 PR middle-end/23670
15016 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15017 (X,Y) and the corresponding symmetry related transformations.
15018 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15019 (X,Y) and its symmetry related transformations.
15021 2006-02-14 Roger Sayle <roger@eyesopen.com>
15023 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15026 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15028 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15030 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15033 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15034 support COMDAT group.
15035 * configure: Regenerate.
15037 2006-02-14 Roger Sayle <roger@eyesopen.com>
15039 PR middle-end/26279
15040 PR middle-end/26280
15041 PR middle-end/26283
15042 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15044 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15046 Fix PR tree-optimization/26260
15048 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15050 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15051 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15052 * tree-ssa-structalias.c (create_variable_info_for): Use
15053 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15055 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15057 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15059 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15060 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15061 of the ending condition.
15062 * tree-ssa-loop-manip.c: Include params.h.
15063 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15064 tree_unroll_loop): New functions.
15065 * tree-pass.h (pass_loop_prefetch): Declare.
15066 * loop.c (rest_of_handle_loop_optimize): Test for
15067 -fprefetch-loop-arrays-rtl.
15068 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15069 * timevar.def (TV_TREE_PREFETCH): New timevar.
15070 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15071 pass_loop_prefetch): New.
15072 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15073 (cleanup_tree_cfg_loop): Call scev_reset.
15074 * common.opt (fprefetch-loop-arrays-rtl): Add.
15075 * tree-ssa-loop-prefetch.c: New file.
15076 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15077 (new_temp_expr_table): Initialize expr_vars.
15078 (free_temp_expr_table): Cleanup expr_vars.
15079 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15080 expressions from being merged into one.
15081 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15082 (struct tree_niter_desc): Add control, bound and cmp fields.
15083 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15085 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15086 (tree-cfgcleanup.o): Add SCEV_H dependency.
15087 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15088 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15090 2006-02-14 Richard Guenther <rguenther@suse.de>
15092 PR tree-optimization/26258
15093 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15094 in PHI argument processing.
15096 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15098 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15099 new expression in the requested machine mode.
15101 2006-02-13 Roger Sayle <roger@eyesopen.com>
15103 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15104 directly, instead let do_compare_rtx_and_jump handle this for us.
15105 * expr.c (expand_expr_real_1): Likewise.
15106 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15107 before do_jump_by_parts_greater.
15108 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15109 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15111 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15113 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15115 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15117 PR rtl-optimization/26235
15118 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15119 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15122 2006-02-13 Jeff Law <law@redhat.com>
15124 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15127 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15129 PR middle-end/26092
15130 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15131 twice if decl is a builtin. When trying again, call get_callee_fndecl
15132 first to verify it is still a builtin.
15134 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15136 * dwarf2out.c (base_type_die): Don't add AT_name here.
15137 (subrange_type_die): Don't add AT_name here.
15138 (modified_type_die): Rearrange code flow. Do add AT_name here.
15140 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15142 PR rtl-optimization/26247
15143 PR rtl-optimization/26248
15144 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15146 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15148 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15149 * config/fixtfdi.c: Likewise.
15150 * config/fixunstfdi.c: Likewise.
15151 * config/floatditf.c: Likewise.
15153 2006-02-13 Roger Sayle <roger@eyesopen.com>
15155 PR middle-end/24427
15156 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15157 into (X,C2) if C1 is a subset of the bits of C2. Transform
15158 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15160 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15162 2006-02-13 Josh Conner <jconner@apple.com>
15165 * varasm.c (function_section): Check for section name before
15166 calling select_section on targets that define
15167 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15168 unlikely_text_section instead of hot_function_section if
15169 first_function_block_is_cold.
15171 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15173 PR middle-end/25335
15174 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15176 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15178 PR rtl-optimization/26222
15179 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15180 after tree->rtl expansion.
15181 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15182 before passing it to emit_move_insn.
15184 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15186 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15188 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15189 Clarify documentation.
15190 * c-common.h (warn_write_strings): Remove.
15191 * c-common.c (warn_write_strings): Likewise.
15192 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15195 2006-02-12 Roger Sayle <roger@eyesopen.com>
15197 PR middle-end/25724
15198 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15199 (do_jump_parts_zero_rtx): New function renamed from
15200 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15201 (do_jump_parts_equality_rtx): New function split out from
15202 do_jump_parts_equality. Old implementation renamed as above.
15203 Call do_jump_parts_zero_rtx if either operand is zero.
15204 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15205 do all of the heavy lifting.
15206 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15207 calling either do_jump_by_parts_greater_rtx or
15208 do_jump_by_parts_equality_rtx.
15209 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15210 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15211 moved to do_compare_rtx_and_jump, call it directly.
15212 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15213 mode argument. Call do_compare_rtx_and_jump.
15214 (emit_case_nodes): Update calls to do_jump_if_equal.
15216 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15218 PR rtl-optimization/26225
15219 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15221 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15223 PR rtl-optimization/26232
15224 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15226 2006-02-11 Jason Merrill <jason@redhat.com>
15229 * tree-inline.c (declare_return_variable): Just don't use the
15230 modify target if it's a gimple complex reg and the return slot
15233 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15235 * doc/contrib.texi: Update my entry.
15237 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15239 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15241 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15243 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15246 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15248 * doc/invoke.texi (-floop-optimize2): Removed.
15249 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15250 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15251 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15252 * common.opt (floop-optimize2): Removed.
15253 (fmove-loop-invariants): Enabled by default.
15255 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15257 * tree-if-conv.c (combine_blocks): Free the result of
15258 get_loop_exit_edges.
15260 2006-02-10 Jeff Law <law@redhat.com>
15262 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15264 PR tree-optimization/26213
15265 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15266 loop trying to follow SSA_NAME_VALUE chains.
15268 2006-02-10 Richard Guenther <rguenther@suse.de>
15270 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15271 deal with structures that end in implicitly variable sized arrays.
15273 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15275 PR rtl-optimization/24762
15276 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15279 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15281 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15282 (struct ivopts_data): Add regs_used field.
15283 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15284 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15285 instead of loop_data->regs_used;
15286 (free_loop_data): Do not free aux fields for loops.
15287 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15288 and tree_ssa_iv_optimize_finalize.
15290 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15292 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15294 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15297 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15298 computing the effective result type.
15300 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15302 PR inline-asm/16194
15303 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15304 (tree_overlaps_hard_reg_set): Declare.
15305 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15306 type and signature to match function type expected by walk_tree.
15307 (tree_overlaps_hard_reg_set): New function.
15308 (decl_conflicts_with_clobbers_p): Rename to:
15309 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15310 Use tree_overlaps_hard_reg_set. Changed caller.
15311 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15312 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15313 * cris.c (cris_md_asm_clobbers): Likewise.
15315 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15317 * reload1.c (emit_input_reload_insns): Delete code that tries to
15318 inherit using find_equiv_reg.
15320 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15322 * c-common.h (flag_const_strings): Don't declare.
15323 * c-common.c (flag_const_strings): Remove.
15324 * c.opt (fconst_strings): Remove.
15325 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15326 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15327 (c_common_init_options): Don't set flag_const_strings.
15328 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15330 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15332 * arm.md (tlobits_cbranch): New pattern.
15333 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15334 testing a single bit.
15336 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15339 * tree-ssa-pre.c (create_component_ref_by_pieces):
15340 Handle RETURN_DECL like VAR_DECL.
15342 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15344 PR middle-end/26134
15345 * fold-const.c (fold_indirect_ref_1): Fold
15346 "*(foo *)&complexfoo" to "__real__ complexfoo"
15347 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15349 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15351 * tree-flow-inline.h (var_can_have_subvars):
15352 Volatile variables should not have subvariables.
15354 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15357 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15358 multiplying unsigned values.
15361 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15363 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15365 2006-02-08 Jason Merrill <jason@redhat.com>
15368 * tree.def: Elaborate on difference from MODIFY_EXPR.
15369 * doc/c-tree.texi (INIT_EXPR): Likewise.
15370 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15371 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15372 (gimplify_target_expr): Likewise.
15373 (gimplify_cond_expr): Remove target handling.
15374 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15375 (gimplify_expr): Clobber it here.
15376 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15377 Do return slot optimization if we have an INIT_EXPR.
15380 * tree-inline.c (declare_return_variable): Also clear
15381 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15384 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15386 PR middle-end/22439
15387 * gimplify.c (gimplify_one_sizepos): Fix typo.
15389 2006-02-08 Jeff Law <law@redhat.com>
15391 PR tree-optimization/21417
15392 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15393 across a backedge if the control statement at the end of the
15394 block is data dependent on other statements in the same block.
15395 (record_temporary_equivalences_from_stmts): Remove over-conservative
15396 test for threading across backedges.
15398 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15399 control statement, handle all three special cases in the same
15400 manner as they all have the same desired solution. No longer
15401 special case edge flag updating when the post dominator is
15404 2006-02-08 Roger Sayle <roger@eyesopen.com>
15406 * tree.def (CHAR_TYPE): Remove.
15407 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15408 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15409 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15410 (gen_string_type_die): Delete unreachable function.
15412 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15413 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15414 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15415 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15416 * builtins.c (type_to_class): Likewise.
15417 * fold-const.c (fold_convert, build_range_check,
15418 merge_ranges): Likewise.
15419 * expr.c (count_type_elements): Likewise.
15420 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15421 * stor-layout.c (layout_type): Likewise.
15422 * ipa-type-escape.c (type_to_consider): Likewise.
15423 * gimplify.c (omp_firstprivatize_type_sizes,
15424 gimplify_type_sizes): Likewise.
15425 * explow.c (promote_mode): Likewise.
15426 * tree-sra.c (is_sra_scalar_type): Likewise.
15427 * varasm.c (output_constant): Likewise.
15428 * tree-inline.c (remap_type_1): Likewise.
15429 * convert.c (convert_to_pointer, convert_to_real,
15430 convert_to_integer, convert_to_complex): Likewise.
15432 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15434 * df-scan.c (df_def_record_1): A set destination may
15435 be a parallel regardless of mode.
15437 2006-02-08 Roger Sayle <roger@eyesopen.com>
15440 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15441 * config/mips/_tilib.c: Remove.
15442 * config/fixtfdi.c: New libgcc source file.
15443 * config/fixunstfdi.c: New source file.
15444 * config/floatditf.c: New source file.
15445 * config/floatunditf.c: New souce file.
15446 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15447 files above instead of config/mips/_tilib.c.
15448 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15450 2006-02-08 Jeff Law <law@redhat.com>
15452 PR tree-optimization/26169
15453 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15456 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15458 * df.h (DF_REG_SIZE): Return the length of the initialized
15461 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15463 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15464 __muldf3): Return a correctly signed zero.
15466 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15468 * passes.c (register_one_dump_file): Accept the current properties
15469 instead of pass number. Adjust call to dump_register. Remove
15471 (register_dump_files): Now a wrapper around...
15472 (register_dump_files_1): ... this one. Do not modify the pass
15474 (next_pass_1): Cosmetic fix.
15475 (execute_todo): Keep second parameter only. Use curr_properties
15476 instead of fetching it from the pass structure. Check and set
15478 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15479 instead of fetching it from the pass structure. Fix calls to
15480 execute_todo. Update curr_properties and initialize .vcg RTL dump
15481 after running the pass. Reset last_verified.
15482 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15484 (FIRST_AUTO_NUMBERED_DUMP): New.
15485 (dump_register): Remove "num" parameter, assign it within the
15487 (get_dump_file_name): Modify template for dumps.
15488 * tree-dump.h (dump_register): Adjust prototype.
15489 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15490 (PROP_trees): Add PROP_gimple_lomp.
15491 (TODO_set_props): New.
15492 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15493 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15494 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15496 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15498 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15499 (sparc64-*-linux*): Likewise.
15500 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15501 * config/sparc/t-linux: New file.
15502 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15503 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15504 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15505 -m32 -mlong-double-128.
15507 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15508 * config/alpha/t-linux: New file.
15509 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15511 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15512 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15513 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15514 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15515 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15516 (CPP_ARCH32_SPEC): Remove.
15518 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15520 PR tree-optimization/26145
15521 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15524 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15527 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15528 >= 240000 when generating code for SOM runtime.
15529 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15530 to $$dyncall when generating code for SOM runtime..
15532 2006-02-07 Dirk Mueller <dmueller@suse.com>
15535 * doc/invoke.texi (-Wsequence-point): Update documentation
15536 that -Wsequence-point is implemented for C++ as well.
15538 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15540 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15541 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15542 (LIB_SPEC): Likewise.
15543 * doc/invoke.texi (SPARC options): Document -pthread.
15545 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15547 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15550 2006-02-07 Roger Sayle <roger@eyesopen.com>
15552 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15553 Correct comment describing BOOLEAN_TYPE.
15555 2006-02-07 Dirk Mueller <dmueller@suse.com>
15557 * c.opt: C++ frontend supports -Wdiv-by-zero.
15558 * c-opts.c (c_common_handle_option): Remove dead case.
15560 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15562 * configure.ac (TLS assembler check): Do not enable TLS by
15563 default on SPARC/Solaris before version 10.
15564 * configure: Regenerate.
15566 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15568 * doc/invoke.texi (xl-compat): Document conversion and support
15571 2006-02-07 Jeff Law <law@redhat.com>
15573 * tree-vrp.c (find_conditional_asserts): Update comments.
15574 (simplify_stmt_for_jump_threading): New.
15575 (identify_jump_threads, finalize_jump_threads): New.
15576 (vrp_finalize): Call identify_jump_threads.
15577 (execute_vrp): Call finalize_jump_threads.
15578 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15579 (vrp_element, vrp_data, vrp_element_p): Remove.
15580 (vrp_hash_elt, vrp_variables_stack): Remove.
15581 (vrp_hash, vrp_eq, record_range): Remove.
15582 (simplify_cond_and_lookup_avail_expr): Remove.
15583 (extract_range_from_cond): Remove.
15584 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15585 (simplify_stmt_for_jump_threading): New.
15586 (dom_thread_across_edge): New wrapper.
15587 (tree_ssa_dominator_optimize): No longer initialize or
15588 finalize any of the VRP datastructures. Remove iteration
15589 step and simplify as a result of removal of iteration step.
15590 (pass_dominator): Perform a cfg cleanup after DOM.
15591 (dom_opt_finalize_block): Use the new common routines
15592 for threading jumps. Simplify stack management slightly.
15593 No longer need to unwind VRP state.
15594 (record_equivalences_from_incoming_edge): No longer record
15596 (eliminate_redundant_computations): No longer call
15597 simplify_cond_and_lookup_avail_expr.
15598 * tree-flow.h (potentially_threadable_block): Prototype.
15599 (thread_across_edge): Likewise.
15600 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15601 (tree-ssa-threadedge.o): Add dependencies.
15602 * tree-ssa-threadedge.c: New file.
15603 * passes.c (init_optimization_passes): Merge PHIs before
15604 calling VRP. Run VRP again late in the SSA optimization pipeline.
15606 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15608 * df-core.c (df_set_blocks): Do not dereference function pointers.
15609 (df_finish1): Likewise.
15610 (df_hybrid_search_forward): Likewise.
15611 (df_hybrid_search_backward): Likewise.
15612 (df_iterative_dataflow): Likewise.
15613 (df_analyze_problem): Likewise.
15614 (df_compact_blocks): Likewise.
15615 (df_dump): Likewise.
15616 * df-scan.c (df_rescan_blocks): Likewise.
15617 (df_record_entry_block_defs): Likewise.
15619 * genconditions.c (write_conditions): Guard the definition of
15620 'insn_conditions' with the check on GCC version.
15621 (write_writer): Guard the traversal 'insn_conditions' with
15622 the check on GCC version.
15624 2006-02-07 Richard Guenther <rguenther@suse.de>
15628 2006-01-30 Richard Guenther <rguenther@suse.de>
15630 * gimplify.c (gimplify_target_expr): Handle easy cases
15631 without creating a temporary.
15633 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15635 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15636 use of float in probability computations. Use edge probabilities
15637 in place of statically computed probabilities.
15638 (min_spec_prob): New static variable.
15639 (schedule_insns): Initialize it.
15640 (GET_SRC_PROB): Removed.
15641 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15643 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15646 * config/ia64/unwind-ia64.c: Revert last change.
15647 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15648 (INCOMING_FRAME_SP_OFFSET): Define.
15650 2006-02-06 Roger Sayle <roger@eyesopen.com>
15652 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15654 2006-02-07 Ben Elliston <bje@au.ibm.com>
15656 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15657 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15658 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15659 (ix86_return_in_memory): Handle TDmode.
15660 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15661 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15663 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15665 * reorg.c (dbr_schedule): Use dump_file instead of file.
15667 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15670 * config/ia64/predicates.md (extr_len_operand): New predicate.
15671 * config/ia64/ia64.md (extv): Tighten constraints.
15673 (*tbit_and_2): Ditto.
15674 (*tbit_and_3): Ditto.
15675 (*tbit_or_2): Ditto.
15676 (*tbit_or_3): Ditto.
15677 (*bit_zero): Ditto.
15680 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15683 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15685 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15687 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15688 loop_optimizer_init and loop_optimizer_finalize
15689 * tree-ssa-sink.c (execute_sink_code): Ditto.
15690 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15691 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15692 tree_ssa_loop_done): Ditto.
15693 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15694 * sched-ebb.c: Include output.h.
15695 (schedule_ebbs): Do not use dump argument.
15696 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15697 * loop.c (loop_dump_stream): Removed.
15698 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15700 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15701 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15702 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15703 loop_iterations, strength_reduce, record_biv, record_giv,
15704 final_giv_value, check_final_value, check_ext_dependent_givs,
15705 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15706 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15707 dump_file instead of loop_dump_stream.
15708 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15709 argument dump_file.
15710 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15712 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15713 * haifa-sched.c: Include output.h
15714 (schedule_insns, sched_init): Do not use dump argument.
15715 * mode-switching.c (optimize_mode_switching): Ditto.
15716 * modulo-sched.c (stats_file): Removed.
15717 (print_node_sched_params): Do not call argument dump_file.
15718 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15719 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15721 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15723 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15724 rtl_loop_init, rtl_loop_done): Ditto.
15725 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15726 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15728 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15729 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15730 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15731 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15732 * emit-rtl.c (renumber_insns): Ditto.
15733 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15734 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15735 * regclass.c (regclass): Ditto.
15736 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15737 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15738 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15739 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15741 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15742 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15744 * gcse.c (gcse_file, debug_stderr): Removed.
15745 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15746 rest_of_handle_gcse): Do not use dump argument.
15747 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15748 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15749 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15750 compute_code_hoist_vbeinout, compute_code_hoist_data,
15751 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15752 compute_store_table, build_store_vectors, insert_insn_start_bb,
15753 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15754 store_motion): Use dump_file instead of gcse_file.
15755 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15756 * profile.c (profile_dump_file): Removed.
15757 (branch_prob): Use dump_file instead of profile_dump_file.
15758 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15760 * tree-ssa-copy.c (dump_copy_of): Ditto.
15761 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15762 dump file to life_analysis.
15763 * bt-load.c (branch_target_load_optimize): Ditto.
15764 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15766 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15767 regclass, dbr_schedule): Declaration changed.
15768 * sched-int.h (sched_init): Declaration changed.
15769 * tree-profile.c (tree_profile_dump_file): Removed.
15770 (tree_profile_hooks): Removed profile_dump_file hook.
15771 * rtl-profile (rtl_profile_dump_file): Removed.
15772 (rtl_profile_hooks): emoved profile_dump_file hook.
15773 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15775 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15776 * tree-cfg.c (build_tree_cfg): Ditto.
15777 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15778 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15779 Declaration changed.
15780 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15781 life_analysis and schedule_insns.
15782 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15784 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15786 * config/mips/mips.c (mips_reorg): Ditto.
15787 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15790 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15792 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15793 (s390_mangle_fundamental_type): New.
15794 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15797 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15798 (alpha_mangle_fundamental_type): New.
15799 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15802 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15804 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15806 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15807 (sparc_mangle_fundamental_type): New.
15809 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15811 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15812 (s390x-*-linux*): Likewise.
15813 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15814 * config/s390/t-linux: New file.
15816 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15818 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15819 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15821 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15823 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15824 (ANTIC_SAFE_LOADS): New macro.
15825 (find_or_generate_expression): Add prototype.
15826 (set_contains_value): Allow null set for sake of not always having
15827 to allocate ANTIC_SAFE_LOADS.
15828 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15829 Allow COMPONENT_REF too.
15830 (valid_in_set): Allow COMPONENT_REF.
15831 Check ANTIC_SAFE_LOADS too.
15832 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15833 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15835 (can_PRE_operation): Add COMPONENT_REF.
15836 (create_component_ref_by_pieces): New function.
15837 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15838 (insert_aux): Move AGGREGATE_TYPE_P check here.
15839 (compute_avail): Set bb local stmt uids.
15840 (pass_pre): Use TODO_update_ssa_only_virtuals.
15842 2006-02-06 Ben Elliston <bje@au.ibm.com>
15844 * configure.ac: Unconditionally disable decimal float by default.
15845 * configure: Regenerate.
15847 2006-02-06 Ben Elliston <bje@au.ibm.com>
15849 * read-rtl.c (read_name): Terminate reading on EOF.
15851 2006-02-06 Ben Elliston <bje@au.ibm.com>
15853 * dfp.c (decimal_real_arithmetic): Change second argument type
15854 from int to enum tree_code. Do not always return true, but now
15855 return result of any call to decimal_do helper functions.
15856 * dfp.h (decimal_real_arithmetic): Update prototype.
15858 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15860 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15862 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15865 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15868 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15870 * tree-vrp.c (cfg_loops): Removed.
15871 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15872 Use current_loops instead of cfg_loops. Pass flags to
15873 loop_optimizer_init.
15874 * cfgloopmanip.c (fix_loop_structure): Update only available
15876 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15877 loop_optimizer_init.
15878 * modulo-sched.c (build_loops_structure): Removed.
15879 (sms_schedule): Use loop_optimizer_init.
15880 * loop-init.c (loop_optimizer_init): Use flags to determine
15881 which properties of loops to prepare.
15882 (rtl_loop_init): Pass flags to loop_optimizer_init.
15883 * tree-ssa-sink.c (execute_sink_code): Ditto.
15884 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15885 * tree-ssa-pre.c (init_pre): Ditto.
15886 * cfgloop.h (LOOPS_NORMAL): New.
15887 (loop_optimizer_init): Declaration changed.
15889 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15891 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15892 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15894 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15896 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15898 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15899 * pa/t-pa64: Delete quadlib.c rule.
15900 * pa/x-ada: Revert last change.
15901 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15903 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15905 PR rtl-optimization/26087
15906 * rtlanal.c (canonicalize_condition): Do not cross basic block
15909 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15912 * config/ia64/ia64.c: Include debug.h.
15913 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15914 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15915 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15916 (process_epilogue, process_set, process_for_unwind_directive):
15917 Output unwind info only if requested. Add CFA info if requested.
15918 Add new arguments as needed. Adjust callers.
15919 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15921 (DWARF2_FRAME_INFO): Define to zero.
15922 * config/ia64/unwind-ia64.c: Remove code that compensated for
15923 the CFA offset error fixed above.
15924 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15925 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15926 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15927 -funwind-tables and -fexceptions to enable frame info.
15928 (dwarf2out_frame_init): Define initial CFA even if
15929 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15930 DWARF2_UNWIND_INFO is nonzero, not just defined.
15931 (dwarf2out_frame_finish): Output non-EH call frame info only
15932 if DWARF2_FRAME_INFO is nonzero.
15933 (convert_cfa_to_loc_list,
15934 compute_frame_pointer_to_cfa_displacement): Define even if
15935 unwind info is not supported.
15936 (gen_subprogram_die): Use the above unconditionally. Remove
15937 legacy alternate code.
15938 * toplev.c (compile_file): Compile in call to
15939 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15940 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15942 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15943 Jakub Jelinek <jakub@redhat.com>
15945 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15946 IBM extended float format long double as "g" on powerpc*-linux.
15948 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15951 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15952 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15954 2006-02-03 Jason Merrill <jason@redhat.com>
15957 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15959 PR middle-end/25977
15960 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15961 on the return slot if it's an NRV.
15963 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15965 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15966 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15967 rewrite_use): Do not handle USE_OUTER.
15968 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15969 add_iv_outer_candidates, may_replace_final_value,
15970 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15971 (find_interesting_uses_op): Functionality of
15972 find_interesting_uses_outer_or_nonlin moved here.
15973 (find_interesting_uses_outside): Use find_interesting_uses_op.
15975 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15978 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15980 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15981 Ulrich Weigand <uweigand@de.ibm.com>
15984 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15985 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15986 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15987 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15989 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15990 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15991 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15992 Define secondary reloads for TFmode moves.
15993 (constant_modes): Add TFmode.
15994 (NR_C_MODES): Set to 8.
15995 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15997 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15998 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15999 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16000 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16001 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16002 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16003 (FPR mode macro): Add TFmode.
16004 (DSF mode macro): New.
16005 (<de>, <dee> mode attributes): Removed.
16006 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16007 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16008 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16009 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16010 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16011 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16012 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16013 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16014 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16015 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16016 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16017 "*negabs<mode>2", "sqrt<mode>2"):
16018 Changed <de> to <xde>. R constraint replaced by <Rf>.
16019 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16021 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16022 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16023 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16025 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16026 "extenddftf2", "extendsftf2"): New expanders.
16027 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16028 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16029 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16030 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16032 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16033 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16034 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16035 __floatditf): Add a GCC_4.1.0 symbol version tag.
16036 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16039 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16042 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16043 Use targetm.binds_local_p instead of TREE_PUBLIC.
16045 2006-02-02 Roger Sayle <roger@eyesopen.com>
16047 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16048 on INTEGER_TYPEs to indicate that it denotes a character type.
16049 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16050 signed_char_type_node, unsigned_char_type_node and char_type_node.
16051 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16052 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16053 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16055 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16056 Daniel Berlin <dberlin@dberlin.org>
16058 * tree-tailcall.c (arg_needs_copy_p): New function.
16059 (eliminate_tail_call): Use arg_needs_copy_p.
16060 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16061 (add_virtual_phis): New function.
16063 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16065 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16066 #ignore instead of #scratch for %g7 .register directive.
16068 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16070 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16073 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16075 * flow.c (calculate_global_regs_live): Assert that there aren't any
16078 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16080 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16081 what its name says.
16082 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16083 bsi_after_labels iterator.
16084 * tree-if-conv.c (find_phi_replacement_condition,
16085 replace_phi_with_cond_modify_expr): Likewise.
16086 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16087 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16089 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16091 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16093 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16096 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16097 array after growing it.
16099 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16101 PR middle-end/24901
16102 * fold-const.c (fold_checksum_tree): Change type of buf.
16104 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16106 * reload.c (push_secondary_reload): Initialize t_icode.
16108 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16110 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16111 -msoft-float -mlong-double-128 only issue a warning, but don't
16112 swich to DFmode long double.
16114 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16116 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16117 has a constant equivalent, iterate over equivalents for arg0,
16118 calling simplify_relational_operation and if there's a result
16119 cheaper than X, apply fold_rtx and return the result.
16121 2006-02-01 Jan Hubicka <jh@suse.cz>
16123 * opts.c (no_unit_at_a_time_default): New global variable.
16124 (decode_options): Use it.
16125 * opts.h (no_unit_at_a_time_default): Declare.
16127 2006-02-01 Paul Brook <paul@codesourcery.com>
16129 * function.c (assign_parm_setup_reg): Use function argument promotion
16131 * expr.c (expand_expr_real_1): Use function argument promotion rules
16134 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16136 * gcc.c (process_command): Change j to 'unsigned int'.
16138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16140 PR middle-end/26001
16141 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16142 Use the corrected index for the character
16143 out of the string constant.
16145 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16147 * mode-switching.c (optimize_mode_switching): Fix size
16148 allocated for bb_info[n_entities].
16150 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16152 * gcc.c (main): Correct type that is allocated for
16153 explicit_link_files.
16155 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16157 * config/s390/s390.c (init_alignment_context): Set
16158 ALIAS_SET_MEMORY_BARRIER on the MEM.
16159 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16161 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16163 PR middle-end/25933
16164 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16166 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16169 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16171 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16172 * regrename.c: Ditto.
16173 * tree-ssa-loop-im.c: Ditto.
16174 * tree-dump.c: Ditto.
16175 * tree-complex.c: Ditto.
16176 * genrecog.c: Ditto.
16177 * tree-ssa-threadupdate.c: Ditto.
16179 * java/class.c: Ditto.
16180 * java/jcf-parse.c: Ditto.
16181 * java/resource.c: Ditto.
16182 * java/except.c: Ditto.
16183 * java/jvspec.c: Ditto.
16184 * java/jcf-write.c: Ditto.
16185 * java/jcf-path.c: Ditto.
16186 * java/gjavah.c: Ditto.
16187 * java/zextract.c: Ditto.
16188 * java/jcf-io.c: Ditto.
16189 * java/jcf.h: Ditto.
16190 * java/buffer.c: Ditto.
16191 * java/lang.c: Ditto.
16192 * java/parse-scan.y: Ditto.
16193 * java/lex.c: Ditto.
16194 * java/lex.h: Ditto.
16195 * cfgloopmanip.c: Ditto.
16196 * postreload-gcse.c: Ditto.
16197 * tree-ssa-loop-manip.c: Ditto.
16198 * postreload.c: Ditto.
16199 * tree-ssa-loop-ch.c: Ditto.
16202 * cppspec.c: Ditto.
16203 * diagnostic.c: Ditto.
16205 * genoutput.c: Ditto.
16207 * cfghooks.c: Ditto.
16208 * cfgloopanal.c: Ditto.
16209 * objc/objc-act.c: Ditto.
16211 * genextract.c: Ditto.
16212 * genautomata.c: Ditto.
16213 * pretty-print.c: Ditto.
16214 * genemit.c: Ditto.
16215 * cgraphunit.c: Ditto.
16217 * df-scan.c: Ditto.
16218 * haifa-sched.c: Ditto.
16219 * dominance.c: Ditto.
16221 * tree-ssa-loop-ivopts.c: Ditto.
16222 * df-core.c: Ditto.
16223 * mode-switching.c: Ditto.
16224 * modulo-sched.c: Ditto.
16226 * ipa-pure-const.c: Ditto.
16228 * fix-header.c: Ditto.
16230 * tree-stdarg.c: Ditto.
16231 * ipa-utils.c: Ditto.
16232 * loop-init.c: Ditto.
16233 * ipa-inline.c: Ditto.
16234 * cfganal.c: Ditto.
16236 * alloc-pool.c: Ditto.
16237 * dwarf2out.c: Ditto.
16239 * genattrtab.c: Ditto.
16240 * tree-ssa-loop-ivcanon.c: Ditto.
16241 * predict.c: Ditto.
16242 * timevar.c: Ditto.
16244 * fortran/gfortranspec.c: Ditto.
16245 * regmove.c: Ditto.
16246 * local-alloc.c: Ditto.
16247 * langhooks.c: Ditto.
16248 * function.c: Ditto.
16249 * tree-vectorizer.c: Ditto.
16251 * ipa-type-escape.c: Ditto.
16253 * tree-if-conv.c: Ditto.
16254 * profile.c: Ditto.
16256 * tree-data-ref.c: Ditto.
16257 * loop-unroll.c: Ditto.
16258 * treelang/treetree.c: Ditto.
16260 * bt-load.c: Ditto.
16261 * ggc-common.c: Ditto.
16263 * coverage.c: Ditto.
16265 * tree-cfgcleanup.c: Ditto.
16266 * tree-ssa-pre.c: Ditto.
16267 * cfgcleanup.c: Ditto.
16268 * loop-invariant.c: Ditto.
16269 * loop-iv.c: Ditto.
16270 * ipa-prop.c: Ditto.
16271 * print-tree.c: Ditto.
16272 * conflict.c: Ditto.
16273 * ggc-page.c: Ditto.
16274 * sched-deps.c: Ditto.
16275 * regclass.c: Ditto.
16276 * tree-object-size.c: Ditto.
16277 * combine.c: Ditto.
16278 * bb-reorder.c: Ditto.
16279 * resource.c: Ditto.
16280 * var-tracking.c: Ditto.
16281 * cfgloop.c: Ditto.
16282 * df-problems.c: Ditto.
16283 * reg-stack.c: Ditto.
16285 * gccspec.c: Ditto.
16286 * sched-rgn.c: Ditto.
16287 * tree-ssa-structalias.c: Ditto.
16288 * tree-ssa-reassoc.c: Ditto.
16289 * config/darwin-c.c: Ditto.
16290 * config/darwin.c: Ditto.
16291 * config/arm/arm.c: Ditto.
16293 * collect2.c: Ditto.
16294 * reload1.c: Ditto.
16296 2006-01-31 Nicolas Pitre <nico@cam.org>
16298 * arm.md (smaxsi3): Make aware of smax_m1.
16301 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16303 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16305 2006-01-31 Richard Guenther <rguenther@suse.de>
16307 * doc/invoke.texi (-msselibm): Document.
16308 * target.h (expand_library_builtin): New target hook.
16309 * builtins.c (expand_builtin): Use expand_library_builtin.
16310 (default_expand_library_builtin): New function.
16311 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16312 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16313 (link_gcc_math_spec): Declare.
16314 (static_specs): Add link_gcc_math_spec.
16315 * expr.h (default_expand_library_builtin): Declare.
16316 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16317 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16318 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16319 * config/i386/i386.opt (msselibm): New target option.
16320 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16321 (ix86_init_sse_abi_builtins): New function.
16322 (ix86_expand_library_builtin): Likewise.
16323 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16324 (override_options): Handle error conditions wrt -msselibm.
16325 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16326 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16327 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16330 2006-01-31 Richard Guenther <rguenther@suse.de>
16331 Paolo Bonzini <bonzini@gnu.org>
16333 * doc/install.texi (--disable-libgcc-math): Document.
16335 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16337 * expr.h (expand_normal): new inline function.
16338 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16339 * dojump.c: use it.
16340 * dwarf2out.c: use it.
16343 * expmed.c: use it.
16344 * except.c: use it.
16345 * config/sparc/sparc.c: use it.
16346 * config/i386/i386.c: use it.
16347 * config/rs6000/rs6000.c: use it.
16348 * config/arm/arm.c: use it.
16349 * config/mips/mips.c: use it.
16350 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16352 2006-01-30 Roger Sayle <roger@eyesopen.com>
16354 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16355 argv to the appropriate type.
16357 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16359 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16362 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16365 * config/s390/s390.c (struct machine_function): New flag
16366 decomposed_literal_pool_addresses_ok_p.
16367 (s390_reorg): Set it before final stage of literal pool transforms.
16368 (s390_decompose_address): Only accept displacements of the form
16369 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16371 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16373 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16374 the comparison routine return.
16376 2006-01-30 Michael Matz <matz@suse.de>
16378 * global.c (find_reg): Only evict for global regs.
16379 Take n_refs into account and dump more info.
16381 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16384 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16385 (pragma_trap, pragma_nosave_low_regs): Likewise.
16386 (current_function_anonymous_args): Likewise.
16387 (sh_deferred_function_attributes): New variable.
16388 (sh_deferred_function_attributes_tail): Likewise.
16389 (print_operand): For '@', look up trap_exit attribute.
16390 (calc_live_regs): Look up trapa_handler attribute. For trapa
16391 handlers, save/restore fpscr, but don't do any other
16392 interrupt-specific saves.
16393 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16394 Fix check for partially saved registers to check for SHmedia.
16395 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16396 (sh_output_function_epilogue): Don't clear any of the removed
16398 (sh_insert_attributes): Don't check pragma_interrupt.
16399 Insert deferred attributes. Check that interrupt attribute is
16400 present for other attributes that require its presence.
16401 (sh_attribute_table): Add new attributes trapa_handler and
16403 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16404 Don't check for pragma_interrupt. Don't store argument.
16405 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16406 (sh_deferred_function_attributes): Declare.
16407 (sh_deferred_function_attributes_tail): Likewise.
16408 * sh.md (sp_switch_1): Add operand. Change generator caller.
16409 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16410 (*return_i): Don't use when trap_exit attribute is in effect.
16411 (*return_trapa): New insn pattern.
16412 * sh-c.c: New file.
16413 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16414 setting c_target_objs and cxx_target_objs.
16415 * t-sh: Add rule for sh-c.o.
16417 2006-01-30 Richard Guenther <rguenther@suse.de>
16420 * gimplify.c (gimplify_target_expr): Handle easy cases
16421 without creating a temporary.
16423 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16425 * vec.h (safe_grow): Remove duplicated line.
16427 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16430 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16431 (expand_omp): ... here.
16432 (expand_omp_parallel): Only remove barriers for combined
16433 parallel+workshare constructs.
16435 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16439 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16440 * tree.c (build_qualified_type): Chain the new type to the original
16441 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16442 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16443 (build_pointer_type_for_mode): Only return unqualified types.
16444 (build_reference_type_for_mode): Likewise.
16446 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16448 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16449 * Makefile.in (CXX_COMPAT_WARN): Define.
16450 * configure: Regenerate.
16452 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16455 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16458 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16460 * toplev.c: Fix thinko.
16462 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16463 Marcin Dalecki <martin@dalecki.de>
16465 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16466 (push_srcloc): Use XNEW.
16467 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16469 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16471 * df-core.c (df_set_blocks): Deleted all variable.
16473 2006-01-28 Ian Lance Taylor <ian@airs.com>
16475 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16476 cgraph_output_pending_asms.
16478 2006-01-28 Zack Weinberg <zackw@panix.com>
16480 * c.opt: Add -W(no-)overlength-strings.
16481 * doc/invoke.texi: Document it.
16482 * c-opts.c (c_common_handle_option): -pedantic implies
16483 -Woverlength-strings, if not explicitly disabled already.
16484 (c_common_post_options): -Woverlength-strings defaults to off, and
16485 is always off for C++.
16486 * c-common.c (fix_string_type): Issue warning about strings longer
16487 than is portable only if warn_overlength_strings. Rearrange code
16488 a little for clarity.
16489 * configure.in: Check for -Wno-overlength-strings as well before
16490 enabling -pedantic in stage 1.
16491 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16492 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16494 * genconditions.c (write_header, write_one_condition)
16495 (write_conditions, write_writer): Consolidate very long strings
16496 that were broken up to fit in C89 portable limit. Don't use
16497 printf when fputs will do.
16499 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16501 * combine.c (simplify_comparison <AND>): Check
16502 TRULY_NOOP_TRUNCATION before start using a subreg.
16504 * config/mips/mips.md (*branch_zero<mode>,
16505 *branch_zero<mode>_inverted, *branch_equality<mode>,
16506 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16507 Remove mode check from comparisons.
16509 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16511 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16513 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16515 * expmed.c (const_mult_add_overflow_p): Remove.
16516 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16518 * recog.c (validate_replace_rtx_subexp): Remove.
16519 * recog.h: Remove the prototype for
16520 validate_replace_rtx_subexp.
16522 * integrate.h: Remove the prototype for
16523 copy_decl_for_inlining.
16524 * rtl.h: Remove the prototype for mark_constant_function.
16525 * tree-vectorizer.h: Remove the prototype for
16526 vect_strip_conversion.
16528 * modulo-sched.c (create_partial_schedule,
16529 free_partial_schedule, reset_partial_schedule): Make them
16532 * hooks.c (hook_bool_rtx_int_false): Remove.
16533 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16535 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16537 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16538 and -mlong-double-128 are incompatible.
16539 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16540 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16541 (TARGET_LIBGCC2_CFLAGS): Define.
16542 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16543 (TARGET_LIBGCC2_CFLAGS): Same.
16544 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16546 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16549 * c-typeck.c (build_binary_op): Perform implicit casts of
16550 operands before shortening them.
16552 * cfgloopmanip.c (split_loop_bb): Remove.
16553 * cfgloop.h: Remove the prototype for split_loop_bb.
16555 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16556 * cfgloop.h: Remove the prototype for
16557 flow_loop_outside_edge_p.
16559 * emit-rtl.c (init_virtual_regs): Make it static.
16560 * function.h: Remove the prototype for init_virtual_regs.
16562 * recog.c (peephole2_optimize): Make it static.
16563 * recog.h: Remove the prototype for peephole2_optimize.
16565 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16567 * df-scan.c (df_record_entry_block_defs): Check if
16568 INCOMING_RETURN_ADDR_RTX is defined.
16570 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16571 Kenneth Zadeck <zadeck@naturalbridge.com>
16573 PR rtl-optimization/24762
16574 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16575 * targhooks.c (hook_void_bitmap): New hook prototype.
16576 * targhoohs.h (hook_void_bitmap): Ditto.
16577 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16578 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16579 * target.h (live_on_entry): New function pointer.
16580 * df-scan.c (df_all_hard_regs): Removed.
16581 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16582 (df_scan_free_internal): Added df->entry_block_defs.
16583 (df_scan_alloc): Ditto.
16584 (df_scan_dump): Ditto.
16585 (df_uses_record): Plumbed flag field properly thru calls.
16586 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16587 This part fixes PR24762.
16588 (df_bb_refs_record): Added code to make the frame and arg
16589 pointers live in EH blocks.
16590 (df_refs_record): Added call to df_record_entry_block_defs.
16591 (df_record_entry_block_defs): New function.
16592 * df-core.c: Added comments to describe new artifical defs.
16593 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16594 (entry_block_defs): New field in struct df.
16595 (df_all_hard_regs): Deleted.
16596 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16597 * df-problems.c (df_ru_bb_local_compute_process_def):
16598 Added code to handle artifical defs in the entry to a function.
16599 (df_ru_bb_local_compute): Ditto.
16600 (df_rd_bb_local_compute_process_def): Ditto.
16601 (df_rd_bb_local_compute): Ditto.
16602 (df_lr_bb_local_compute): Ditto.
16603 (df_ur_bb_local_compute): Ditto.
16604 (df_urec_bb_local_compute): Ditto.
16605 (df_chain_create_bb): Ditto.
16606 (df_ur_local_finalize): Removed entry.
16607 (df_urec_init): Ditto.
16608 (df_urec_local_finalize): Ditto.
16609 (df_ri_bb_compute): Added detection of last use of pseudos.
16610 * Makefile.in (df-scan.o): Updated dependencies.
16611 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16612 * config/mips/mips.c (mips_set_live_on_entry): Added.
16613 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16615 * dce.c (marked_insn_p): Added code to handle artifical defs.
16617 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16619 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16621 (_mm_cvtsi128_si64): Likewise.
16622 (_mm_cvtsd_si64): Likewise.
16623 (_mm_cvttsd_si64): Likewise.
16624 (_mm_cvtsi64_sd): Likewise.
16625 (_mm_cvtsi64_si128): Likewise.
16626 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16627 (_mm_cvtsi64_m64): Likewise.
16628 (_m_to_int64): Likewise.
16629 (_mm_cvtm64_si64): Likewise.
16630 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16631 (_mm_cvttss_si64): Likewise.
16632 (_mm_cvtsi64_ss): Likewise.
16633 (_mm_cvtss_f32): Likewise.
16635 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16637 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16638 for pragma redefine_extname.
16640 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16643 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16644 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16645 -mno-minimal-toc to previous content.
16646 (bispecs): Remove goal.
16647 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16648 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16649 compatibility aliases on powerpc-*-*gnu*.
16650 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16651 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16652 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16653 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16654 (ldblspecs): New goal.
16655 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16656 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16658 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16659 L_sf_to_tf or L_df_to_tf is defined.
16661 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16662 Alan Modra <amodra@bigpond.net.au>
16665 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16666 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16667 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16668 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16669 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16670 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16671 (rs6000_override_options): Initialize rs6000_ieeequad.
16672 Initialize TFmode format to ibm_extended_format if not
16674 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16676 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16677 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16678 (function_arg_advance): IBM long double passed in two FPRs, not
16680 (function_arg): IBM long double passed in FPRs.
16681 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16682 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16683 Only multireg GPR aligned.
16684 (rs6000_init_libfuncs): Enable IBM long double functions if not
16686 (rs6000_generate_compare): Use IBM long double compare if not
16688 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16689 (TARGET_IEEEQUAD): Define.
16690 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16691 not TARGET_IEEEQUAD.
16692 * config/rs6000/rs6000.md: Enable TFmode patterns if
16694 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16695 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16696 and -mlong-double-128 are incompatible.
16697 * doc/invoke.texi (-mabi): Collect options together. Add
16698 ibmlongdouble and ieeelongdouble.
16700 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16702 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16704 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16705 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16706 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16707 * rtl.h (rtunion_def): Remove rt_ptr.
16709 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16710 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16711 * config/i386/winnt.c (i386_pe_mark_dllexport)
16712 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16714 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16716 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16718 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16722 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16723 pthread_key_delete. From John David Anglin. gthrw-ify
16724 pthread_getunique_np only if it it's not a macro. Delete
16726 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16727 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16728 __gthread_objc_condition_signal, __gthread_key_delete): Add
16729 "__attribute__ ((__unused__))" to unused arguments.
16730 (__gthread_recursive_mutex_init_function): Add missing return.
16731 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16732 gthr-posix95.h: Use macro-based approach for name redirection
16733 on targets missing weakref.
16735 2006-01-26 Zack Weinberg <zackw@panix.com>
16737 * genconditions.c (write_header): In generated code, #ifdef out
16738 all includes and fake declarations, except includes of bconfig.h
16739 and system.h, unless GCC_VERSION >= 3001. Do not include
16740 gensupport.h in any case.
16741 (write_conditions): Generate a definition of struct c_test. Add
16742 a comment to the generated #endif.
16743 (write_one_condition): Escape backslashes in string too.
16744 (write_writer): Generated code must escape backslashes and quote
16745 marks (but not newlines) in the strings it writes.
16746 * Makefile.in (build/gencondmd.o): Update dependencies.
16748 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16751 * Makefile.in (insn-automata.o): Add header file dependencies.
16752 * genautomata.c: Add includes.
16754 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16757 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16759 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16761 * configure.ac: Expect target tools paths to be passed from the toplevel
16762 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16764 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16766 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16769 * c.opt (Wpointer-sign): Init to -1.
16770 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16771 OPT_pedantic, to 0 otherwise.
16772 * doc/invoke.texi: Update.
16774 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16776 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16777 constants provided by 80387 instructions in the destination mode.
16779 2006-01-26 Richard Guenther <rguenther@suse.de>
16780 Andrew Pinski <pinskia@physics.uc.edu>
16783 partial PR tree-opt/17064
16784 * tree-ssa-structalias.c (intra_create_variable_infos):
16785 Create heap variables for incoming parameters if
16786 flag_argument_noalias > 1.
16787 (find_what_p_points_to): Look through default defs of
16790 2006-01-26 Jeff Law <law@redhat.com>
16793 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16794 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16795 within the VR_RANGE, use the VR_RANGE as the result, not the
16797 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16798 bounds for the type.
16800 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16802 * tree-ssa-alias.c (maybe_create_global_var): Change
16803 subvar walking to an assertion that we don't have subvar'd variables.
16805 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16808 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16809 Use a new variable, inner. PARM_DECLs are always non-weak.
16811 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16813 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16814 --disable-checking.
16816 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16818 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16820 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16822 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16823 (smax_insn, smin_insn, smax_0, smin_0): New.
16825 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16828 * config/cris/cris.c (cris_order_for_addsi3): New function.
16829 * config/cris/cris-protos.h: Prototype it.
16830 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16831 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16832 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16833 (split for "op.S1 [rx=rx+i],ry (swapped)")
16834 (split for "op(s|u).S1 [rx=rx+i],ry")
16835 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16836 Apply cris_order_for_addsi3 when generating addsi3 insns.
16838 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16840 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16841 (TREE_BLOCK): Add call to EXPR_CHECK.
16843 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16846 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16847 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16848 (dump_omp_clauses): ... here.
16849 (dump_generic_node): Handle OMP_CLAUSE.
16850 * tree.c (omp_clause_num_ops): New.
16851 (omp_clause_code_name): New.
16852 (tree_code_size): Handle OMP_CLAUSE.
16853 (tree_size): Likewise.
16854 (make_node): Document handling of OMP_CLAUSE.
16855 (tree_node_structure): Handle OMP_CLAUSE.
16856 (omp_clause_check_failed): New.
16857 (omp_clause_range_check_failed): New.
16858 (omp_clause_operand_check_failed): New.
16859 (build_omp_clause): New.
16860 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16861 * tree.h (enum omp_clause_code): Declare.
16862 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16863 (OMP_CLAUSE_RANGE_CHECK): Define.
16864 (OMP_CLAUSE_ELT_CHECK): Define.
16865 (omp_clause_check_failed): Declare.
16866 (omp_clause_operand_check_failed): Declare.
16867 (omp_clause_range_check_failed): Declare.
16868 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16869 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16870 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16871 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16872 (OMP_CLAUSE_IF_EXPR): Likewise.
16873 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16874 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16875 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16876 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16877 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16878 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16879 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16880 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16881 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16882 (OMP_CLAUSE_CODE): Define.
16883 (OMP_CLAUSE_SET_CODE): Define.
16884 (OMP_CLAUSE_CODE): Define.
16885 (OMP_CLAUSE_OPERAND): Define.
16886 (struct tree_omp_clause): Declare.
16887 (union tree_node): Add field 'omp_clause'.
16888 * treestruct.def (TS_OMP_CLAUSE): Define.
16889 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16890 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16891 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16892 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16893 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16894 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16895 (OMP_CLAUSE): Define.
16896 * print-tree.c (print_node): Handle OMP_CLAUSE.
16897 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16898 * c-typeck.c: Likewise.
16899 * gimplify.c: Likewise.
16900 * c-omp.c: Likewise.
16901 * tree-nested.c: Likewise.
16902 * tree-inline.c: Likewise.
16903 * c-parser.c: Likewise.
16904 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16907 2006-01-25 Roger Sayle <roger@eyesopen.com>
16909 PR rtl-optimization/25703
16910 * combine.c (try_combine): Handle zero_extract and strict_low_part
16911 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16913 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16915 * global.c: Fix comment typos.
16917 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16920 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16921 Use output_addr_const instead of assemble_name.
16923 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16925 * Makefile.in (sched-vis.o): Update dependencies.
16926 * haifa-sched.c (sched_finish): Clear current_sched_info.
16927 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16928 (dump_flow_info): Call it.
16929 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16931 * basic-block.h (dump_bb_info): Declare.
16932 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16933 option, and apply options only for dump files whose TDF_RTL,
16934 TDF_TREE, or TDF_IPA bits match.
16935 * rtl.h: Declare new functions exported from sched-vis.c.
16936 * sched-vis.c: Enable also if scheduling is not used.
16937 (print_value): Print the mode of registers if not inside scheduling.
16938 (print_insn): Make it work outside the scheduler. Beautify the output
16940 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16942 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16944 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16945 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16946 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16947 depending on the value of CONSTANT_POOL_ADDRESS_P.
16948 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16950 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16951 rather than SYMBOL_REF_DECL.
16952 (rtx_constant_pool): Remove const_rtx_sym_htab.
16953 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16954 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16955 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16956 Remove handling of const_rtx_sym_htab.
16957 (find_pool_constant): Delete.
16958 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16959 rather than find_pool_constant.
16960 (get_pool_constant_for_function): Delete.
16961 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16962 find_pool_constant.
16963 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16964 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16965 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16966 (SYMBOL_REF_CONSTANT): New macro.
16967 (get_pool_constant_for_function): Delete.
16968 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16969 rather than SYMBOL_REF_DECL.
16970 (i386_pe_mark_dllimport): Likewise.
16971 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16972 rather than SYMBOL_REF_DECL.
16973 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16974 (machopic_indirect_call_target): Likewise.
16976 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16978 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16980 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16982 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16984 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16986 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16988 2006-01-24 David Daney <ddaney@avtrex.com>
16991 * configure.ac (enable_tls): New enable option.
16992 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16993 * configure: Regenerate.
16994 * doc/install.texi (--enable-tls): Document new option.
16995 (--disable-tls): Ditto.
16997 2006-01-24 Richard Henderson <rth@redehat.com>
16999 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17000 * alias.c (true_dependence): Respect it.
17001 (canon_true_dependence, write_dependence_p): Likewise.
17002 * builtins.c (get_builtin_sync_mem): Set it.
17004 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17006 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17009 2006-01-24 DJ Delorie <dj@redhat.com>
17011 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17012 for storing constants in single-bit bitfields.
17014 2006-01-25 Ben Elliston <bje@au.ibm.com>
17016 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17018 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17021 * tree-ssa-pre.c (phi_translate): Return NULL
17022 for AGGREGATE_TYPE's.
17024 2006-01-24 Zack Weinberg <zackw@panix.com>
17026 * genautomata.c (process_state_for_insn_equiv_partition):
17027 Use xcalloc for insn_arcs_array.
17028 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17029 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17031 2006-01-24 Richard Henderson <rth@redhat.com>
17033 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17034 update all callers.
17036 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17038 PR rtl-optimization/25890
17039 PR rtl-optimization/25905
17040 * combine.c (expand_compound_operation, expand_field_assignment):
17041 Fail if the bitfield's final position is out of bounds.
17043 2006-01-24 Ian Lance Taylor <ian@airs.com>
17045 PR middle-end/25930
17046 * cgraphunit.c (cgraph_output_in_order): Don't clear
17047 cgraph_asm_nodes until after asm strings have been output.
17049 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17051 * fix-header.c (read_scan_file): Add new parameter imultilib when
17052 calling register_include_chains.
17054 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17056 * omp-low.c: Update documentation.
17058 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17059 Daniel Berlin <dberlin@dberlin.org>
17063 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17064 return from the function.
17066 2006-01-22 Zack Weinberg <zackw@panix.com>
17068 * rtl.def (match_code): Add second argument.
17069 * genpreds.c (write_extract_subexp): New function.
17070 (write_match_code): Add path argument. Use write_extract_subexp.
17071 (write_predicate_expr): Pass path to write_match_code.
17072 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17073 not perform a mode test.
17074 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17075 a subexpression does not constrain the top-level code set.
17076 * read-rtl.c (read_rtx_variadic): New function.
17077 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17078 * doc/md.texi: Document new notation.
17079 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17080 (cmpsi_operand): ... here, using new notation.
17082 2006-01-22 Zack Weinberg <zackw@panix.com>
17084 * varray.c: Remove GENERATOR_FILE #ifdefs.
17086 2006-01-22 Zack Weinberg <zackw@panix.com>
17088 * genautomata.c (output_reserved_units_table): Emit nothing if
17089 description->query_units_num is zero. Remove extra blank line.
17090 (output_cpu_unit_reservation_p): Short circuit
17091 if description->query_units_num is zero.
17093 2006-01-22 Zack Weinberg <zackw@panix.com>
17095 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17096 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17097 nor any of the random handful of variables that used to be necessary
17098 when this program was linked with rtlanal.o. Prune set of forward
17099 function declarations.
17100 (struct attr_desc): Remove static_p field.
17101 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17102 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17103 (attr_string): Do not read the character one past the length of
17105 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17106 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17107 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17108 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17109 (make_automaton_attrs): New.
17110 (main): Do not call into genautomata. Call local gen_bypass
17111 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17112 Remove special case for insn_alts.
17113 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17114 varray.h (leftover from previous change). Prune set of forward
17115 function declarations. Remove state_alts fields from all
17116 structures. Remove state_alts_table from struct automaton.
17117 Make everything except main static. Do not maintain num_dfa_decls.
17118 Do not maintain state_alts fields of various structures.
17119 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17120 (add_arc): Remove state_alts argument. All callers updated.
17121 (output_reserved_units_table): Emit #ifdef here...
17122 (output_tables): ...not here. Don't generate state_alts tables.
17123 (expand_automata): Don't generate attributes.
17124 (write_automata): Don't generate state_alts functions.
17125 (main): New function.
17126 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17127 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17128 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17129 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17130 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17131 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17132 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17133 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17135 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17136 * genattrtab.h: Delete file.
17137 * Makefile.in (OBJS-common): Add insn-automata.o.
17138 (insn-automata.o): New rule.
17139 (simple_generated_c): Add insn-automata.c.
17140 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17141 (genprogmd): Add automata.
17142 (build/genattrtab): Needs no extra objects nor libraries.
17143 (build/genautomata): Needs build/vec.o and -lm.
17145 2006-01-22 Zack Weinberg <zackw@panix.com>
17147 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17148 (output_dfa_max_issue_rate, locked_states_num): Delete.
17149 (struct automaton): Add locked_states field.
17150 (output_dead_lock_vect): Save number of locked states in
17151 automaton->locked_states. If it is zero, don't print anything.
17152 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17153 (output_internal_dead_lock_func): Only test the dead_lock_vect
17154 for automata that have locked states.
17155 (output_statistics): Always print the number of locked states for
17156 each automaton. Calculate total number of locked states here.
17157 (write_automata): Don't call output_dfa_max_issue_rate.
17158 * genattrtab.c: Define length_unit_log as a const variable.
17159 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17160 max_insn_queue_index const.
17161 * final.c (length_unit_log): Declare const.
17162 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17164 2006-01-22 Zack Weinberg <zackw@panix.com>
17166 * genautomata.c: Include vec.h, not varray.h.
17167 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17168 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17169 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17170 VEC_* macros operating on appropriately typed vectors, or to
17171 malloced arrays when the size is known in advance. Const-ify
17172 many char* variables and function arguments. No functional changes.
17173 * Makefile.in (build/varray.o): Delete rule.
17174 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17175 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17177 2006-01-22 Zack Weinberg <zackw@panix.com>
17179 * gensupport.c: Define get_insn_name and record_insn_name here.
17180 (read_md_rtx): Call record_insn_name as appropriate.
17181 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17182 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17183 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17185 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17186 (BUILD_VARRAY): Delete.
17187 (genprognormal): Rename genprogmd. Fold in all programs from
17188 genprognoprint; also attrtab.
17189 (build/genattrtab): Just mention genautomata.o and varray.o.
17190 Reorganize a bit, add comments to make the categories clearer.
17192 2006-01-22 Zack Weinberg <zackw@panix.com>
17194 * genconditions.c (condition_table, add_condition): Delete.
17195 (write_conditions): Don't emit n_insn_conditions nor
17196 insn_elision_unavailable. Issue the gcc version #ifdef here,
17197 inside the table, with no #else clause ...
17198 (write_header): ...not here.
17199 (write_writer): New function.
17200 (main): Don't initialize condition_table. Use add_c_test.
17202 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17203 files on the command line.
17204 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17205 Return -1 if there is no entry in the table, don't abort.
17206 (add_c_test, traverse_c_tests): New functions.
17207 * gensupport.h (insn_elision_unavailable, insn_conditions)
17208 (n_insn_conditions): Delete declarations.
17209 (add_c_test, traverse_c_tests): Declare.
17210 * read-rtl.c: Include gensupport.h.
17211 (read_conditions): New function.
17212 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17213 (read_rtx_1): If we get EOF when we were looking for an initial
17214 open paren, return 0. Call read_conditions when appropriate.
17215 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17216 dummy-conditions.o. Eliminate references to insn-conditions.o,
17217 or change them to build/gencondmd.o, as appropriate. Remove
17218 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17219 from $(simple_generated_c). For all files remaining in those
17220 two lists, add insn-conditions.md to the generator command line.
17221 Give insn-constants.h/s-constants their own rules. Add rules
17222 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17223 (build/read-rtl.o): Depend on gensupport.h.
17224 (genprognormal): Include preds.
17225 (genprogearly): Rename genprognoprint; only difference is now that
17226 they don't link with $(BUILD_PRINT).
17227 * dummy-conditions.c: Delete.
17229 2006-01-22 Zack Weinberg <zackw@panix.com>
17231 * genextract.c: Don't include insn-config.h. Do include vec.h.
17232 Declare vectors of int, char, and locstr.
17233 (locstr): New typedef.
17234 (struct extraction): Make all array fields into bare pointers.
17235 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17236 (insn_code_number): Delete.
17237 (accum_extract): New struct.
17238 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17239 (gen_insn): Take insn_code_number as an argument. Use an
17240 accum_extract structure instead of loading data directly into
17241 a struct extraction, and having to know how big it might get.
17242 (walk_rtx): Operate entirely on an accum_extract structure.
17243 (print_path): Avoid unnecessary use of printf.
17244 (print_header): New function, split out of main. Distinguish
17245 more carefully between an unrecognizable insn and an insn that
17246 has the code number of a define_expand.
17247 (main): Pass insn_code_number to gen_insn. Call print_header
17248 only after parsing. Avoid unnecessary use of printf.
17249 * Makefile.in (build/vec.o): New rule.
17250 (build/genextract): Depend on build/vec.o.
17251 (build/genextract.o): Don't depend on insn-config.h.
17253 2006-01-22 Zack Weinberg <zackw@panix.com>
17255 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17256 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17257 practical. Eliminate per-generator-program link rules.
17259 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17261 PR middle-end/24437
17262 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17263 with a call expr to ...
17264 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17266 2006-01-23 Richard Guenther <rguenther@suse.de>
17268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17269 before make_edge with conditional EDGE_TRUE_VALUE.
17271 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17272 Jan Hubicka <jh@suse.cz>
17273 Richard Guenther <rguenther@suse.de>
17275 PR rtl-optimization/25654
17276 * cfgexpand.c (aggregate_contains_union_type): New function.
17277 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17278 for structure variables that contain a union type.
17280 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17282 * gengtype.c (new_structure): Return the structure.
17283 (create_option): Add an extra "next" argument.
17284 (create_field): New function.
17285 (adjust_field_rtx_def): Use create_option and create_field.
17286 Remove a now-unnecessary call to find_structure.
17287 (adjust_field_tree_def): Likewise.
17288 (note_yacc_type): Remove an unnecessary call to find_structure.
17289 * gengtype.h (new_structure): Return the structure.
17290 (create_option): Add an extra argument.
17291 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17292 (option): Adjust calls to create_option.
17294 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17296 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17298 2006-01-22 Paul Brook <paul@codesourcery.com>
17299 Peter Barada <peter@the-baradas.com>
17301 * config/m68k/m68k.md: Add Coldfire FPU support.
17302 Define FP mode macro and associated attributes.
17303 Use it for float mode patterns.
17304 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17305 (LIBCALL_VALUE): Use m68k_libcall_value.
17306 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17307 (m68k_function_value): Ditto.
17308 (emit_move_sequence): Ditto.
17309 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17310 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17311 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17312 (MULTILIB_EXCEPTIONS): Ditto.
17313 * config/m68k/m68k.opt: Add mcfv4e.
17314 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17315 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17316 (m68k_output_function_prologue): Save ColdFire FPU registers.
17317 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17318 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17319 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17320 ColdFire FPU registers.
17321 (m68k_libcall_value, m68k_function_value): New functions.
17322 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17323 (LIBCALL_VALUE): Use m68k_libcall_value.
17324 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17325 (MASK_COLDFIRE): Add MASK_CFV4E.
17326 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17327 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17328 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17329 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17330 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17331 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17332 * doc/invoke.tex: Document -mcfv4e on m68k.
17334 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17336 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17339 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17342 * c-opts.c (c_common_handle_option): Don't include
17343 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17344 * doc/invoke.texi (C++ Dialect Options): Document that
17345 -Wnon-virtual-dtor is no longer included in -Wall.
17347 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17349 * gcov.c (print_version), gcov-dump.c (print_version),
17350 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17353 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17355 * df-scan.c (problem_SCAN): Added NULL reset function.
17356 (df_scan_reset_blocks): Added code to call reset block function
17357 (df_bb_refs_delete) Fixed comment.
17358 (df_insn_refs_delete): Made tolerant of deleting non existent info
17359 for dataflow problems that need to be reset.
17360 * df-core.c (df_set_blocks): Ditto.
17361 * df.h (struct df_problem): Added reset_fun.
17362 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17363 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17364 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17365 functions to clear out all references to def-use or use-def chains.
17367 2006-01-21 Ben Elliston <bje@au.ibm.com>
17369 * varasm.c (assemble_real): Initialise data array.
17371 2006-01-20 Paul Brook <paul@codesourcery.com>
17373 Merge from csl-arm-branch.
17374 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17375 * config/arm/arm.md (movdi): Force operands[1] to a register
17376 if we have a non-register source.
17377 (*arm_movdi, *movdf_soft_insn): Require that one of the
17378 operands be a register.
17379 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17380 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17382 2006-01-20 DJ Delorie <dj@redhat.com>
17384 * varasm.c (initializer_constant_valid_p): Allow pointers
17385 initialized from integer constants of lesser precision.
17386 (output_constant): Allow non-int-sized pointer modes to be
17387 initialized from integer constants.
17389 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17392 * cppdefault.h (struct default_include): Add multilib flag.
17393 * cppdefault.c (cpp_include_defaults): Set it.
17394 * c.opt (-imultilib): New option.
17395 * c-opts.c (imultilib): New.
17396 (c_common_handle_option): Handle -imultilib.
17397 (c_common_post_options): Likewise.
17398 * c-incpath.c (add_standard_paths, register_include_chains):
17400 * c-incpath.h (register_include_chains): Add extra parameter.
17401 * gcc.c (do_spec_1): Generate -imultilib option.
17402 (The Specs Language): Update %I description.
17403 (process_command): Update copyright notice.
17404 * doc/cppopts.texi (-imultilib): Document.
17405 * doc/invoke.texi (-imultilib): Include in option summary.
17406 (%I): Update specs documentation.
17408 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17410 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17412 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17414 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17417 2006-01-20 Richard Guenther <rguenther@suse.de>
17418 Steven Bosscher <stevenb.gcc@gmail.com>
17420 PR rtl-optimization/24626
17421 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17422 EDGE_TRUE_VALUE if in RTL mode.
17425 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17426 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17428 2006-01-20 Dirk Mueller <dmueller@suse.com>
17431 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17432 instead of a special NOP marker.
17433 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17434 NOP marker handling.
17435 * c-common.h (empty_body_warning): Add forward declaration.
17436 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17437 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17439 2006-01-20 Paul Brook <paul@codesourcery.com>
17441 * Makefile.in (lang_checks): Keep going if mkdir fails.
17443 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17445 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17446 be able to clean out basic block when not necessary.
17447 (df_scan_free): Fixed to properly delete information if df is
17448 unused before calling df_finish.
17449 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17450 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17452 (df_bb_refs_delete): New function.
17453 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17454 * df-core.c (df_set_blocks): Added code to properly clean out
17455 unused blocks if they are not part of the blocks to consider.
17456 Added additional null check.
17457 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17458 be able to clean out basic block when not necessary
17459 * df.h (df_free_bb_function): Ditto.
17460 (df_bb_refs_delete): New function.
17461 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17462 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17463 basic block parameter to be able to clean out basic block when not
17465 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17466 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17467 Fixed to properly delete information if df is unused before
17470 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17472 PR rtl-optimization/25799
17473 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17474 Corrected confluence operator to remove bits from op2 before oring
17475 with op1 rather than removing bits from op1.
17476 (df_ru_transfer_function): Corrected test on wrong bitmap which
17477 caused infinite loop. Both of these problems were introduced in
17478 the dataflow rewrite.
17480 2006-01-19 DJ Delorie <dj@redhat.com>
17482 * reload1.c (find_reload_regs): Note the details of reload
17483 failures in the dump file.
17484 (spill_failure): Likewise.
17486 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17488 * loop-iv.c: Include df.h and hashtab.h.
17489 (enum iv_grd_result): New enum.
17490 (DF_REF_IV, DF_REF_IV_SET): New macros.
17491 (struct biv_entry): New.
17492 (df, bivs): New global variables.
17493 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17494 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17496 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17497 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17498 analyzed_for_bivness_p, record_biv): New functions.
17499 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17500 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17501 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17503 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17505 (iv_number_of_iterations): Use new interface to iv analysis.
17506 * loop-unroll.c: Do not include varray.h.
17507 (analyze_iv_to_split_insn): Use new interface to iv
17509 * loop-unswitch.c (may_unswitch_on): Ditto.
17510 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17512 (df_bb_modify): Realloc tables to the new index.
17513 (df_find_use): New function.
17514 * df.h (df_find_use): Declare.
17515 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17517 * cfgloop.h (struct rtx_iv): Remove analysed field.
17518 (iv_get_reaching_def): Removed.
17519 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17520 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17521 (loop-iv.o): Add df.h and hashtab.h dependency.
17522 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17524 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17527 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17529 (__floatundisf, __floatundidf): Likewise.
17530 * libgcc2.h (IS_IBM_EXTENDED): Define.
17532 2006-01-19 DJ Delorie <dj@redhat.com>
17534 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17536 2006-01-19 Paul Brook <paul@codesourcery.com>
17538 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17539 as nothrow when unwinding tables are disabled.
17541 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17544 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17545 of bit-field" when in system header.
17547 2006-01-19 DJ Delorie <dj@redhat.com>
17549 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17550 the 16 bit shift limit of the m16c.
17552 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17555 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17556 * config/i386/i386.c (output_set_got): Output the label if we have one
17557 for the TARGET_DEEP_BRANCH_PREDICTION case.
17559 2006-01-19 Jan Hubicka <jh@suse.cz>
17560 H.J. Lu <hongjiu.lu@intel.com>
17561 Evandro Menezes <evandro.menezes@amd.com>
17563 * invoke.texi (generic): Document
17565 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17566 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17567 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17568 (x86_use_incdec, x86_pad_returns): New variables
17569 (TARGET_CPU_DEFAULT_generic): New constant
17570 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17571 (enum processor_type): Add generic32 and generic64.
17572 * i386.md (cpu attribute): Add generic32/generic64
17573 (movhi splitter): Behave sanely when both partial_reg_dependency and
17574 partial_reg_stall are set.
17575 (K8 splitters): Enable for generic as well.
17576 * predicates.md (incdec_operand): Use TARGET_INCDEC
17577 (aligned_operand): Avoid memory mismatch stalls.
17578 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17579 * ppro.md: Enable for generic32
17580 * i386.c (generic64_cost, generic32_cost): New.
17581 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17582 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17583 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17584 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17585 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17586 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17587 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17588 x86_accumulate_outgoing_args, x86_prologue_using_move,
17589 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17590 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17591 Enable for generic.
17592 (x86_use_incdec, x86_pad_returns): New.
17593 (override_options): Add generic32 and generic64, translate "generic"
17594 to generic32/generic64 and "i686" to "generic32", refuse
17595 "generic32"/"generic64" as arch target.
17596 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17597 (ix86_reorg): Honor PAD_RETURNS.
17599 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17601 * tree-pretty-print.c (dump_generic_node): Handle
17602 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17603 * cgraph.c (cgraph_expand_queue): Rename from
17604 cgraph_analyze_queue. Update all users.
17605 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17606 cgraph_expand_queue.
17607 (cgraph_expand_all_functions): Likewise.
17608 (cgraph_finalize_pending_functions): Remove. Update callers.
17610 * tree.h (OMP_DIRECTIVE_P): Define.
17611 (OMP_PARALLEL_FN): Define.
17612 (OMP_PARALLEL_DATA_ARG): Define.
17613 (OMP_SECTIONS_SECTIONS): Define.
17614 * tree-pass.h (pass_expand_omp): Declare.
17615 * omp-low.c (struct omp_region): Declare.
17616 (struct omp_context): Remove fields 'parallel_type',
17617 'parallel_start_ix' and 'parallel_start_additional_args'.
17619 (struct omp_for_data): Rename from struct expand_omp_for_data.
17620 (omp_regions): New static variable.
17621 (root_omp_region): New static variable.
17622 (find_omp_clause): Make static.
17623 (is_in_combined_parallel_ctx): Remove.
17624 (is_combined_parallel): New.
17625 (extract_omp_for_data): Move earlier in the file.
17626 (workshare_safe_to_combine_p): New.
17627 (get_ws_args_for): New.
17628 (determine_parallel_type): Move earlier in the file.
17629 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17631 (omp_copy_decl): Likewise.
17632 (create_omp_child_function): Likewise.
17633 (lookup_omp_region): New.
17634 (dump_omp_region): New.
17635 (debug_omp_region): New.
17636 (debug_all_omp_regions): New.
17637 (new_omp_region): New.
17638 (scan_omp_parallel): If parallel_nesting_level > 1, the
17639 directive is nested within another parallel directive.
17640 Set OMP_PARALLEL_FN.
17641 (scan_omp_for): Do not try to handle combined parallel+for
17643 Remove FIXME comment.
17644 (scan_omp_nested): Remove.
17645 (scan_omp_1): Do not call scan_omp_nested when
17646 parallel_nesting_level is > 1.
17647 Do not change the DECL_CONTEXT of local variables found.
17648 (lookup_decl_in_outer_ctx): New.
17649 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17650 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17651 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17652 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17653 If CTX is nested, lookup VAR in the outer context when
17654 building copy assignment.
17655 (lower_send_clauses): Rename from expand_send_clauses.
17656 If CTX is nested, lookup VAR in the outer context when
17657 building copy assignments.
17658 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17659 If CTX is nested, lookup VAR in the outer context when
17660 building copy assignments.
17661 (expand_parallel_call): Rename from build_parallel_call.
17662 Handle combined parallel+workshare cases.
17663 Re-implement to emit code into the CFG.
17665 (expand_omp_parallel): Re-implement to emit code into the CFG.
17666 Call move_sese_region_to_fn to outline the sub-graph
17667 containing the parallel region.
17668 (expand_omp_for_1): Remove.
17669 (expand_omp_for_generic): Re-implement to emit code into the
17671 (expand_omp_for_static_nochunk): Likewise.
17672 (expand_omp_for_static_chunk): Likewise.
17673 (expand_omp_for): Likewise.
17674 (expand_omp_sections): Likewise.
17675 (remove_exit_barriers): New.
17676 (expand_omp_synch): New.
17678 (build_omp_regions_1): New.
17679 (build_omp_regions): New.
17680 (execute_expand_omp): New.
17681 (gate_expand_omp): New.
17682 (pass_expand_omp): Define.
17683 (lower_omp_sections): Rename from expand_omp_sections.
17684 Set OMP_SECTIONS_SECTIONS.
17685 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17686 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17687 (lower_omp_single): Rename from expand_omp_simple.
17688 (lower_omp_master): Rename from expand_omp_master.
17689 (lower_omp_ordered): Rename from expand_omp_ordered.
17690 (lower_omp_critical): Rename from expand_omp_critical.
17691 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17692 (lower_omp_for): Re-implement.
17693 (lower_omp_parallel): Re-implement.
17694 (lower_regimplify): Rename from expand_regimplify.
17695 (lower_omp_1): Rename from expand_omp_1.
17696 If there are syntax errors in the program, replace every
17697 OpenMP directive with NOP.
17698 Call lower_omp_* instead of expand_omp_*.
17699 (lower_omp): Rename from expand_omp.
17701 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17702 * tree-gimple.h (enum omp_parallel_type): Remove.
17703 (gimple_boolify): Declare extern.
17704 (find_omp_clause, determine_parallel_type): Remove.
17706 * gimple-low.c (lower_omp_directive): New.
17707 (lower_stmt): Call it.
17708 (record_vars_into): Move from ...
17709 (record_vars): ... here.
17710 Call record_vars_into with current_function_decl.
17712 * gimplify.c (struct gimplify_ctx): Remove fields
17713 combined_pre_p and combined_ctxp. Update users.
17714 (get_formal_tmp_var): Add documentation.
17715 (gimple_boolify): Make extern.
17716 (gimplify_expr_in_ctx): Remove. Update callers.
17717 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17718 will always be a BIND_EXPR.
17719 (gimplify_expr): Handle OMP_RETURN_EXPR.
17720 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17721 (OMP_PARALLEL): Add 3 operands.
17722 (OMP_SECTIONS): Add 1 operand.
17723 (OMP_RETURN_EXPR): Define.
17725 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17726 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17727 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17728 creating a circular free list.
17729 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17731 * tree-flow.h (move_sese_region_to_fn): Declare.
17732 (record_vars_into): Declare.
17733 * tree-cfg.c (make_omp_sections_edges): New.
17734 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17735 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17736 OMP_SECTIONS and OMP_SECTION.
17737 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17738 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17739 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17740 (gather_blocks_in_sese_region): New.
17741 (struct move_stmt_d): Declare.
17742 (move_stmt_r): New.
17743 (move_block_to_fn): New.
17744 (move_sese_region_to_fn): New.
17746 * passes.c (init_optimization_passes): Schedule
17747 pass_expand_omp after pass_init_datastructures.
17749 * tree-ssa-operands.c (get_expr_operands): Handle
17750 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17751 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17753 2006-01-19 Jeff Law <law@redhat.com>
17755 * tree-vrp.c (extract_range_from_assert): Refine the result range
17756 if the variable referenced by the ASSERT_EXPR has a range and
17757 either the tentative result range or the previous range is a
17760 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17762 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17764 2006-01-19 Jan Hubicka <jh@suse.cz>
17766 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17768 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17770 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17771 (expand_compound_operation, expand_field_assignment): Fail if the
17772 bit lengths of an extract operation are out of range.
17773 (make_extraction): Compute wanted_inner_mode based on the position
17774 and length of the extraction. Make it extraction_mode for non-constant
17775 positions, and do not modify offset in that case. When generating a
17776 new MEM, use a mode that can hold the extraction while keeping correct
17777 alignment. Remove code that supported MEMs wrapped by USEs.
17778 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17780 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17782 * config/s390/s390.md ("Y", "y"): New mode attribute.
17783 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17784 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17785 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17786 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17787 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17788 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17789 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17790 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17791 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17792 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17793 "addsi3", "subsi3"): Insn patterns removed.
17794 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17795 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17796 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17797 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17798 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17799 "*sub<mode>3_cconly2"): New insn patterns.
17800 ("addsi3", "subsi3"): New expanders.
17802 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17804 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17806 existing STMT_VINFO_VECTYPE if available.
17807 (vect_mark_relevant): Add special handling for stmts that are
17808 marked as STMT_VINFO_IN_PATTERN_P.
17809 (vect_analyze_loop): Call vect_pattern_recog.
17810 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17811 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17813 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17814 (vect_recog_func_ptr): New function-pointer type.
17815 * tree-vect-patterns.c: New file.
17816 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17817 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17818 (vect_pattern_recog_1): New functions.
17819 (vect_pattern_recog_funcs): New array of function pointers.
17821 * tree-vectorizer.h (ternary_op): New enum value.
17822 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17823 declaration. Revised documentation. Removed redundant dump prints.
17824 Removed redundant argument. Added support for reduction patterns.
17825 (vectorizable_reduction): Added support for reduction patterns.
17826 (vect_transform_stmt): Added support for patterns.
17828 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17829 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17830 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17831 (expand_widen_pattern_expr): New function.
17832 (init_optabs): Initialize new optabs udot_prod_optab,
17834 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17835 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17836 (expand_widen_pattern_expr): New function declaration.
17837 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17839 * tree-inline.c (estimate_num_insns_1): Added cases for new
17840 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17841 * tree-pretty-print.c (dump_generic_node): Likewise.
17842 (op_prio): Likewise.
17843 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17844 * tree-ssa-operands.c (get_expr_operands): Added case for
17846 * tree-vect-patterns.c (widened_name_p): New function.
17847 (vect_recog_dot_prod_pattern): Added function implementation.
17848 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17849 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17850 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17851 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17853 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17854 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17855 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17856 (init_optabs): Initialize new optabs widen_ssum_optab,
17858 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17859 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17860 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17861 use instead of type of def.
17862 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17863 function implementation.
17864 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17865 widen_ssumv8hi): New.
17867 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17870 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17873 * c-decl.c (add_flexible_array_elts_to_size): New function.
17874 (finish_decl): Use it.
17876 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17878 * diagnostic.h: Include options.h.
17879 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17880 dependancies for diagnostic.h.
17881 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17883 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17885 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17886 (ssa_ro_call_cache_valid): Ditto.
17887 * tree-ssa-alias.c (sort_tags_by_id): New function.
17888 (init_transitive_clobber_worklist): Ditto.
17889 (add_to_worklist): Ditto.
17890 (mark_aliases_call_clobbered): Ditto.
17891 (compute_tag_properties): Ditto.
17892 (set_initial_properties): Ditto.
17893 (compute_call_clobbered): Ditto.
17894 (compute_may_aliases): Call compute_call_clobbered and grouping.
17895 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17896 (compute_flow_insensitive_aliasing): Grouping now happens in our
17898 (setup_pointers_and_addressables): Remove clobbering related code.
17899 (add_may_alias): Ditto.
17900 (replace_may_alias): Ditto.
17901 (get_nmt_for): Ditto.
17902 (create_global_var):
17903 (is_escape_site): Return an escape_type enumeration.
17904 * tree-flow-inline.h (is_call_clobbered): Global var does not
17905 imply call clobbered.
17906 (mark_call_clobbered): Take a reason for marking this. Remove
17907 marking of globalness, and cache invalidation.
17908 (clear_call_clobbered): Remove cache invalidation code.
17909 * tree-dfa.c (dump_variable): If details is on, dump the reason
17911 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17913 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17914 (struct var_ann_d): Ditto.
17915 (enum escape_type): New.
17916 (mark_call_clobbered): Adjust prototype.
17917 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17918 are never call clobbered.
17919 Record reasons for escaping.
17920 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17921 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17922 (ssa_ro_call_cache_valid): Ditto.
17923 (clobbered_v_may_defs): Ditto.
17924 (clobbered_vuses): Ditto.
17925 (ro_call_vuses): Ditto.
17926 (clobber_stats): New.
17927 (init_ssa_operands): Zero out clobber stats.
17928 (fini_ssa_operands): Print out clobber stats.
17929 (get_call_expr_operands): Pass callee fndecl to
17930 add_call_read_ops).
17931 (add_call_clobber_ops): Remove use of cache.
17932 Add use of PURE_CONST information.
17933 (add_call_read_ops): Remove use of cache.
17934 Add use of static not_read information.
17936 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17938 Introduce TLS descriptors for i386 and x86_64.
17939 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17940 (TARGET_ANY_GNU_TLS): New macro.
17941 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17942 (struct machine_function): Add tls_descriptor_call_expanded_p.
17943 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17944 (ix86_current_function_calls_tls_descriptor): Likewise.
17945 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17946 (override_options): Introduce gnu2 tls dialect.
17947 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17949 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17951 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17952 (ix86_init_machine_status): Initialize new field.
17953 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17954 (ix86_tls_module_base): New.
17955 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17956 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17957 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17958 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17959 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17960 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17961 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17962 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17963 * config/i386/predicates.md (tls_modbase_operand): New.
17964 (tp_or_register_operand): New.
17966 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17968 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17969 (look_for_address_of): Ditto.
17970 (ipa_init): Walk the function decls.
17971 (static_execute): Don't set readonly on FUNCTION_DECL's.
17973 2006-01-18 Roger Sayle <roger@eyesopen.com>
17975 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17976 for shifts where the source and destination registers are different.
17978 2006-01-18 Paul Brook <paul@codesourcery.com>
17980 Merge from csl-arm-branch.
17981 2005-03-14 Julian Brown <julian@codesourcery.com>
17982 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17983 (aeabi_llsl): Likewise.
17984 (ashrdi3): Likewise.
17985 (aeabi_lasr): Likewise.
17986 (lshrdi3): Likewise.
17987 (aeabi_llsr): Likewise.
17988 2005-03-10 Julian Brown <julian@codesourcery.com>
17989 * config.gcc: Disable shared libgcc for SymbianOS.
17990 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17992 2006-01-18 DJ Delorie <dj@redhat.com>
17994 * c-pragma.c (handle_pragma_diagnostic): New.
17995 (init_pragma): Register it.
17996 * doc/extend.texi: Document it.
17998 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17999 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18000 (diagnostic_context): Add classify_diagnostic[].
18001 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18002 as errors if they're overridden to DK_WARNING.
18003 (diagnostic_initialize): Initialize classify_diagnostic[].
18004 (diagnostic_set_kind_override): New.
18005 (diagnostic_report_diagnostic): Check for kind changes.
18006 * opts.c (common_handle_option): Take lang_mask. Update callers.
18007 Handle OPT_Werror_.
18008 * common.opt (Werror=): New.
18009 * doc/invoke.texi: Document -Werror=*
18011 2006-01-18 Jeff Law <law@redhat.com>
18013 * tree-vrp.c (test_for_singularity): Correct test for new
18014 min limit. Use operand_equal_p rather than pointer equality
18015 for testing if new min/max values are equal.
18017 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18018 using range information until after propagation and folding.
18020 2006-01-18 Richard Henderson <rth@redhat.com>
18021 Aldy Hernandez <aldyh@redhat.com>
18022 Jakub Jelinek <jakub@redhat.com>
18023 Diego Novillo <dnovillo@redhat.com>
18025 * omp-low.c: New file.
18026 * c-omp.c: New file.
18028 2006-01-18 Richard Henderson <rth@redhat.com>
18029 Jakub Jelinek <jakub@redhat.com>
18030 Diego Novillo <dnovillo@redhat.com>
18032 * doc/invoke.texi: Document -fopenmp.
18033 * tree-dump.h (debug_function): Declare.
18034 * hooks.c (hook_bool_tree_bool_false): New function.
18035 (hook_tree_tree_null): Remove.
18036 (hook_tree_tree_tree_null): New.
18037 * hooks.h: Update to match.
18038 * tree-pretty-print.c (debug_tree_chain): New.
18039 (print_generic_expr): Handle TDF_CHAIN.
18040 (dump_generic_node): Handle BLOCK.
18041 Do not abort with incomplete SWITCH_EXPRs.
18042 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18043 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18044 print space after directive name.
18045 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18046 Handle OMP_MASTER and OMP_ORDERED.
18047 Handle printing of OMP_BODY just in one place, goto
18048 dump_omp_body in the rest of OMP_* nodes that have
18050 Don't handle clause nodes here. Update omp statements to
18051 use dump_omp_clauses.
18052 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18054 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18055 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18056 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18057 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18058 Adjust output for GOMP_PARALLEL.
18059 (dump_omp_clauses): New.
18060 (print_declaration): Dump DECL_VALUE_EXPR.
18061 (op_symbol_1): Split out of op_symbol.
18062 (dumping_stmts): Remove. Update all users.
18063 * cgraph.c (cgraph_analyze_queue): New.
18064 (cgraph_add_new_function): New.
18065 * cgraph.h (cgraph_analyze_queue): Declare.
18066 (cgraph_add_new_function): Declare.
18067 (cgraph_lower_function): Remove.
18068 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18069 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18070 and TYPE_P nodes in its default clause.
18071 (empty_body_p): New.
18072 (tree_range_check_failed): New.
18073 (build5_stat): New.
18074 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18075 OMP_CLAUSE_REDUCTION_MERGE,
18076 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18077 OMP_CLAUSE_PRIVATE_DEBUG,
18078 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18079 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18080 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18081 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18082 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18083 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18084 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18085 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18086 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18087 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18088 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18089 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18090 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18091 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18092 (TREE_RANGE_CHECK): New.
18093 (empty_body_p): Declare.
18094 (enum omp_clause_default_kind): New.
18095 (build_string_literal): Declare.
18096 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18097 (build5_stat, build5): Declare.
18098 * tree-pass.h (TDF_CHAIN): Define.
18099 * tree-pass.h (PROP_gimple_lomp): Define.
18100 (pass_lower_omp): Declare.
18101 * diagnostic.h (debug_tree_chain): Declare.
18102 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18104 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18105 * builtins.c (build_string_literal): Make extern.
18106 * gcc.c (include_spec_function): New.
18107 (static_spec_functions): Add it.
18108 (main): Move load of libgomp.spec ...
18109 (LINK_COMMAND_SPEC): ... here.
18110 (link_gomp_spec): New.
18111 (static_specs): Include it.
18112 (LINK_COMMAND_SPEC): Add link_gomp.
18113 (GOMP_SELF_SPECS): New.
18114 (driver_self_specs): Include it.
18115 (switch_matches): Don't mark inline.
18116 (main): Load libgomp.spec.
18117 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18118 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18119 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18120 * tree-gimple.h (enum omp_parallel): Declare.
18121 (determine_parallel_type): Declare.
18122 (omp_firstprivatize_variable): Declare.
18123 (omp_reduction_init): Declare.
18124 (diagnose_omp_structured_block_errors): Declare.
18125 (struct walk_stmt_info): Add want_return_expr.
18126 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18127 (find_omp_clause): Declare.
18128 (insert_field_into_struct): Declare.
18129 (struct walk_stmt_info): Move from tree-nested.c
18130 (walk_stmts): Declare.
18131 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18133 * cgraphunit.c (cgraph_lower_function): Make static.
18134 (cgraph_finalize_pending_functions): New.
18135 (cgraph_finalize_function): Call it.
18136 (cgraph_finalize_compilation_unit): Likewise.
18137 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18138 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18139 (BT_FN_UINT_UINT): New.
18140 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18141 DEF_FUNCTION_TYPE_VAR_4): Document.
18142 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18143 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18144 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18145 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18146 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18147 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18148 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18149 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18150 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18151 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18152 into separate files.
18153 (DEF_GOMP_BUILTIN): New.
18154 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18155 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18156 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18157 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18158 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18159 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18160 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18161 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18162 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18163 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18164 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18165 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18166 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18167 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18168 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18169 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18170 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18171 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18172 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18173 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18174 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18175 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18176 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18177 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18178 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18179 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18180 * sync-builtins.def: New file, moved from builtins.def.
18181 * omp-builtins.def: New file, moved from builtins.def.
18182 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18183 * gimple-low.c (lower_function_body): Clear data.
18184 (lower_stmt): Do not handle COMPOUND_EXPR.
18185 Remove call to print_node_brief.
18186 * c-tree.h (c_finish_omp_clauses): New prototype.
18187 (C_DECL_THREADPRIVATE_P): Define.
18188 (lookup_name_no_remap, c_omp_remap_private): Remove
18189 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18190 (check_for_loop_decls): Update decl.
18191 (lookup_name_no_remap, c_omp_remap_private): Declare.
18192 (build_indirect_ref, build_modify_expr, pushdecl,
18193 pushdecl_top_level): Move to c-common.h.
18194 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18195 before the switch, but just in the 2 places that need it.
18196 * c-decl.c (diagnose_mismatched_decls): Do not check for
18197 mismatched thread-local attributes when OLDDECL is marked
18198 threadprivate and NEWDECL has no thread-local attributes.
18199 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18200 (c_gimple_diagnostics_recursively): Rename from
18201 c_warn_unused_result_recursively. Invoke
18202 diagnose_omp_structured_block_errors.
18203 (check_for_loop_decls): Return a singular decl found.
18204 * langhooks.c (lhd_omp_predetermined_sharing): Return
18205 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18206 (lhd_omp_firstprivatize_type_sizes): New.
18207 (lhd_omp_assignment): New.
18208 (lhd_omp_predetermined_sharing): New.
18209 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18210 (struct lang_hooks_for_types): Add
18211 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18212 omp_predetermined_sharing, omp_disregard_value_expr,
18213 omp_private_debug_clause, omp_clause_default_ctor,
18214 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18215 (c_finish_omp_clauses): New.
18216 (c_finish_bc_stmt): Diagnose break within omp for.
18217 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18218 (build_unary_op): Return error_mark after reporting
18220 (build_modify_expr): Likewise.
18221 * gimplify.c: Include optabs.h and pointer-set.h.
18222 (enum gimplify_omp_var_data): Declare.
18223 (struct gimplify_omp_ctx): Declare.
18224 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18226 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18227 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18228 (splay_tree_compare_decl_uid): New.
18229 (new_omp_context): New.
18230 (delete_omp_context): New.
18231 (gimple_add_tmp_var): Call omp_add_variable.
18232 (gimplify_bind_expr): Likewise.
18233 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18234 true, disregard DECL_VALUE_EXPR on the decl if any.
18235 (gimplify_expr_in_ctx): New.
18236 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18237 omp_add_variable, omp_notice_variable, omp_is_private
18238 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18239 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18240 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18241 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18242 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18243 gimplify_omp_atomic): New.
18244 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18246 OMP_CRITICAL and OMP_ATOMIC.
18247 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18248 * c-pragma.h (enum pragma_kind): Add
18249 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18250 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18251 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18252 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18253 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18254 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18255 PRAGMA_OMP_THREADPRIVATE.
18256 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18257 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18258 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18259 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18260 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18261 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18262 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18263 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18264 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18265 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18266 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18267 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18268 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18270 (struct nesting_info): Add field_map,
18271 suppress_expansion, debug_var_chain.
18272 (create_nesting_tree): Initialize them.
18273 (lookup_field_for_decl): Use field_map.
18274 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18275 (convert_local_omp_clauses): New.
18276 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18277 (walk_body): Split out of walk_function.
18278 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18279 (convert_nonlocal_reference): Handle omp statements.
18280 (convert_local_reference): Likewise.
18281 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18282 (unnest_nesting_tree): New.
18283 (lower_nested_functions): Call it.
18284 (insert_field_into_struct): Make extern.
18285 (struct walk_stmt_info): Move to tree-gimple.h.
18286 (walk_stmts): Make extern.
18287 * omp-builtins.def: New file.
18288 * tree-iterator.c (expr_only): Clarify comment.
18289 * c-common.h (pushdecl_top_level, pushdecl,
18290 build_modify_expr, build_indirect_ref,
18291 c_finish_omp_master, c_finish_omp_critical,
18292 c_finish_omp_ordered, c_finish_omp_barrier,
18293 c_finish_omp_atomic, c_finish_omp_flush,
18294 c_finish_omp_for, c_split_parallel_clauses,
18295 omp_clause_default_kind, c_omp_sharing_predetermined,
18296 c_omp_remap_decl): Declare.
18297 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18298 (OBJS-common): Add omp-low.o.
18299 (c-omp.o, omp-low.o): Add.
18300 (gimplify.o): Add dependency on $(OPTABS_H).
18301 (GTFILES): Add omp-low.c.
18302 (gt-stringpool.h): Add.
18303 * tree-cfg.c (set_bb_for_stmt): Do not update the
18304 block-to-labels map if we are currently expanding to RTL.
18305 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18307 Handle IDENTIFIER_NODE.
18308 (tree_verify_flow_info): Do not ICE when emitting error
18309 messages about invalid labels.
18310 (dump_function_to_file): Reset CFUN before emitting the body
18312 (debug_function): New.
18313 * passes.c (init_optimization_passes): Schedule
18315 * langhooks-def.h (lhd_omp_predetermined_sharing,
18316 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18318 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18319 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18320 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18321 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18322 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18323 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18324 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18325 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18326 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18327 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18328 (LANG_HOOK_DECLS): Use them.
18330 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18331 Richard Henderson <rth@redhat.com>
18332 Jakub Jelinek <jakub@redhat.com>
18333 Diego Novillo <dnovillo@redhat.com>
18335 * c-parser.c (pragma_omp_clause): Define.
18336 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18337 (c_parser_compound_statement): Likewise.
18338 (c_parser_statement): Likewise.
18339 (c_parser_pragma): Handle omp pragmas.
18340 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18341 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18342 (c_parser_omp_clause_name, check_no_duplicate_clause,
18343 c_parser_omp_variable_list,
18344 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18345 c_parser_omp_clause_copyprivate,
18346 c_parser_omp_clause_default,
18347 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18348 c_parser_omp_clause_lastprivate,
18349 c_parser_omp_clause_nowait,
18350 c_parser_omp_clause_num_threads,
18351 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18352 c_parser_omp_clause_reduction,
18353 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18354 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18355 c_parser_omp_atomic, c_parser_omp_barrier,
18356 c_parser_omp_critical, c_parser_omp_flush,
18357 c_parser_omp_for_loop, c_parser_omp_for,
18358 c_parser_omp_master, c_parser_omp_ordered,
18359 c_parser_omp_sections_scope, c_parser_omp_sections,
18360 c_parser_omp_parallel, c_parser_omp_single,
18361 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18362 * c-pragma.c (init_pragma): Do omp pragma registration here.
18363 * c.opt (fopenmp): New flag.
18365 2006-01-18 Eric Christopher <echristo@apple.com>
18367 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18368 * config/darwin.h (GOMP_SELF_SPECS): Define.
18370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18372 * rtl.h: Remove the prototype for reg_alloc.
18374 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18377 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18378 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18379 sjlj and dwarf2 exception handling.
18380 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18381 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18382 * pa/pa.c (function_value): Treat complex and vector types as
18384 (function_arg): Likewise. Only pass scalar floats in the floating
18385 point argument registers.
18386 * pa/t-slibgcc-dwarf-ver: New file.
18387 * pa/t-slibgcc-sjlj-ver: New file.
18388 * pa/t-slibgcc-elf-ver: Delete file.
18390 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18392 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18393 unlikely_test_section_p test.
18395 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18397 * mode-switching.c (optimize_mode_switching): Make it static.
18398 * basic-block.h: Remove the prototype for
18399 optimize_mode_switching.
18401 * modulo-sched.c (sms_schedule): Make it static.
18402 * rtl.h: Remove the prototype for sms_schedule.
18404 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18405 * rtl.h: Remove the prototype for gcse_after_reload_main.
18407 * reg-stack.c (reg_to_stack): Make it static.
18408 * rtl.h: Remove the prototype for reg_to_stack.
18410 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18412 * rtl.h: Remove the prototypes for regrename_optimize and
18413 copyprop_hardreg_forward.
18415 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18417 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18418 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18419 Test against the appropriate null constant for the mode.
18420 If 'fixup_overlap' is true, swap the operands if they overlap.
18421 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18422 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18423 alpha_split_tmode_pair and adjust for above change.
18424 * config/alpha/alpha.md (movtf_internal): Adjust call to
18425 alpha_split_tfmode_pair and rely on it to swap the operands.
18426 (movti_internal): New insn and post-reload splitter.
18427 (movti): New expander.
18429 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18431 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18434 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18436 * rtlanal.c (global_reg_mentioned_p_1,
18437 global_reg_mentioned_p): Remove.
18438 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18440 * flow.c (initialize_uninitialized_subregs): Make it static.
18441 * rtl.h: Remove the prototype for
18442 initialize_uninitialized_subregs.
18444 * function.c (instantiate_virtual_regs): Make it static.
18445 * function.h: Remove the prototype for
18446 instantiate_virtual_regs.
18448 * regmove.c (regmove_optimize, combine_stack_adjustments):
18450 * rtl.h: Remove the prototypes for regmove_optimize and
18451 combine_stack_adjustments.
18453 2006-01-17 Roger Sayle <roger@eyesopen.com>
18455 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18456 (size_cost): Encode costs in bytes so that a reg-reg addition is
18457 equivalent to COSTS_N_INSNS(1).
18458 (override_options): Use the size_cost.branch_cost as the default
18459 ix86_branch_cost when optimizing for size.
18461 2006-01-18 Ben Elliston <bje@au.ibm.com>
18463 * Makefile.in (D32PBIT_FUNCS): New.
18464 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18465 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18466 D64PBIT_FUNCS and D128PBIT_FUNCS.
18467 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18468 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18470 (decnumber_dep): Define.
18471 * doc/libgcc.texi (Decimal float library routines): New node.
18472 * config/dfp-bit.h, config/dfp-bit.c: New files.
18474 2006-01-18 Ben Elliston <bje@au.ibm.com>
18476 * expr.c (emit_move_change_mode): Always adjust addresses, not
18477 just during reload. Copy replacements only during reload.
18478 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18479 emit_move_via_integer.
18481 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18483 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18484 instead of $(srcdir) and ${srcdir}.
18486 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18489 PR middle-end/11135
18490 * arm.h (struct machine_function): Add pic_reg.
18491 * arm.c (arm_pic_register): Make unsigned.
18492 (arm_override_options): Only set arm_pic_register if
18493 TARGET_SINGLE_PIC_BASE.
18494 (use_return_insn): Only test for a pic register if it is fixed.
18495 (arm_compute_save_reg0_reg12_mask): Likewise.
18496 (thumb_compute_save_reg_mask): Likewise.
18497 (legitimate_pic_operand): Factor out some known invariants.
18498 (legitimize_pic_address): If we don't have a fixed pic register,
18499 then set up a pseudo in the function entry sequence. Handle the
18500 pic base being in a pseudo.
18501 (arm_load_pic_register): Handle the pic register being in a pseudo.
18502 (arm_expand_prologue): Only set up the pic register if it is fixed.
18503 (thumb_expand_prologue): Likewise.
18504 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18505 (pic_load_addr_based_insn): Likewise.
18506 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18509 2006-01-18 Ben Elliston <bje@au.ibm.com>
18511 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18512 decimal float modes for all floating point registers.
18514 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18515 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18517 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18520 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18521 even when the pointer is not NULL.
18523 2006-01-16 Ian Lance Taylor <ian@airs.com>
18525 * common.opt (ftoplevel-reorder): New option.
18526 * cgraph.c (cgraph_asm_nodes): New global variable.
18527 (cgraph_asm_last_node): New static variable.
18528 (cgraph_order): New global variable.
18529 (cgraph_create_node): Set new order field.
18530 (cgraph_varpool_node): Likewise.
18531 (decide_is_variable_needed): Return true if not
18532 flag_toplevel_reorder.
18533 (cgraph_add_asm_node): New function.
18534 * cgraph.h (struct cgraph_node): Add order field.
18535 (struct cgraph_varpool_node): Add order field.
18536 (struct cgraph_asm_node): Define.
18537 (cgraph_asm_nodes, cgraph_order): Declare.
18538 (cgraph_add_asm_node): Declare.
18539 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18541 (cgraph_varpool_assemble_pending_decls): Call it.
18542 (cgraph_output_pending_asms): New static function.
18543 (cgraph_finalize_compilation_unit): Call it.
18544 (struct cgraph_order_sort): Define.
18545 (cgraph_output_in_order): New static function.
18546 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18547 !flag_toplevel_reorder case.
18548 * c-parser.c: Include "cgraph.h".
18549 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18551 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18552 than -fno-unit-at-a-time.
18553 * doc/invoke.texi (Option Summary): Mention
18554 -fno-toplevel-reorder.
18555 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18556 -funit-at-a-time documentation.
18558 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18559 Kazu Hirata <kazu@codesourcery.com>
18561 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18563 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18565 * Makefile.in (FUNCTION_H): New. Use it instead of
18566 function.h throughout the file.
18567 * function.h: Include tree.h.
18569 2006-01-17 Ben Elliston <bje@au.ibm.com>
18571 * recog.c: Separate some functions with whitespace.
18573 2006-01-16 Richard Henderson <rth@redhat.com>
18575 Merge from gomp branch:
18576 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18577 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18578 and rename from struct inline_data. Rename callee* to dst*;
18579 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18580 transform_new_cfg, transform_return_to_modify, and
18581 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18583 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18584 (copy_decl_for_dup): Remove.
18585 * tree-inline.c (struct inline_data): Move to header.
18586 (insert_decl_map): Export.
18587 (remap_decl): Update for member name changes. Use copy_decl hook.
18588 Allow for replacement to be a non-decl. Remove dead code.
18589 (remap_type_1): Check for existing mapping.
18590 (remap_type): Export.
18591 (remap_decls): Update for member name changes.
18592 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18593 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18594 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18595 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18596 (tree_function_versioning, build_duplicate_type): Likewise.
18597 (copy_body_r): Likewise. Export.
18598 (copy_decl_for_dup): Split into ...
18599 (copy_decl_for_dup_finish, copy_decl_to_var,
18600 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18601 (replace_ref_tree, inlining_p): Remove.
18603 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18605 * ifcvt.c (if_convert): Make it static.
18606 * rtl.h: Remove the prototype for if_convert.
18608 * local-alloc.c (local_alloc): Make it static.
18609 * rtl.h: Remove the prototype for local_alloc.
18611 * loop.c (loop_optimize): Make it static.
18612 * cfgloop.h: Remove the prototype for loop_optimize.
18615 2006-01-16 DJ Delorie <dj@redhat.com>
18617 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18620 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18622 * pa.md: Disparage copies between general and floating-point registers
18623 in 32-bit move patterns.
18625 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18628 * Makefile.in (check-%): Depend on site.exp instead of
18629 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18634 * global.c (global_alloc): Make it static.
18635 * rtl.h: Remove the prototype for global_alloc.
18637 2006-01-16 Richard Guenther <rguenther@suse.de>
18639 * tree-ssa-alias.c (struct used_part): Add write_only field.
18640 (get_or_create_used_part_for): Initialize it to true.
18641 (create_overlap_variables_for): Don't create structure variables
18642 for structures that only are written to.
18643 (find_used_portions): Handle MODIFY_EXPR to track whether a
18644 structure is only written to.
18646 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18648 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18650 * basic-block.h: Remove the prototype for
18651 partition_hot_cold_basic_blocks.
18653 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18655 * cppspec.c (lang_specific_spec_functions): Remove.
18656 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18657 * gcc.h (lang_specific_spec_functions): Remove.
18658 * gccspec.c (lang_specific_spec_functions): Remove.
18660 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18662 * combine.c (record_value_for_reg): Invalidate registers
18664 (record_dead_and_set_regs_1): Likewise, by passing them to
18665 record_value_for_reg.
18666 (record_dead_and_set_regs): Invalidate stores made by a
18667 call. We do not combine across a call, but we still
18668 relied on equivalences.
18670 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18672 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18673 vrp_int_const_binop returning non-constant nodes.
18675 2006-01-16 Paul Brook <paul@codesourcery.com>
18677 * config/m68k/m68k.c (output_move_const_into_data_reg):
18678 Output correct mnemonic for mvz and mvs.
18680 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18682 * rtl-factoring.c: Add sequence abstraction algorithm.
18683 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18684 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18686 (block_has_preserve_label): New function.
18687 * common.opt: Register new pass.
18688 * Makefile.in: Ditto.
18690 * timevar.def: Ditto.
18691 * tree-pass.h: Ditto.
18692 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18693 * rtl.h (make_jump_insn_raw): Add forward decl.
18694 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18696 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18697 Roger Sayle <roger@eyesopen.com>
18699 * fold-const.c (fold_minmax): New static function.
18700 (fold_binary) <MIN_EXPR>: Call it.
18701 <MAX_EXPR>: Likewise.
18702 * stor-layout.c (place_field): Use DECL_SIZE consistently
18703 in the computation of the new record size.
18705 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18707 * cse.c (cse_condition_code_reg): Make it static.
18708 * rtl.h: Remove the prototype for cse_condition_code_reg.
18710 * combine.c (combine_instructions): Make it static.
18711 * rtl.h: Remove the prototype for combine_instructions.
18713 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18716 * tree.c (get_file_function_name_long): Concatenate the first global
18717 object name with a string derived from the input filename of the object
18720 2006-01-16 Ben Elliston <bje@au.ibm.com>
18722 * config/i386/winnt-stubs.c: Update FSF address.
18723 * config/xtensa/ieee754-df.S: Ditto.
18724 * config/xtensa/ieee754-sf.S: Ditto.
18726 2006-01-14 Ian Lance Taylor <ian@airs.com>
18728 * ifcvt.c (noce_init_if_info): New static function, broken out of
18729 noce_process_if_block.
18730 (noce_process_if_block): Call noce_init_if_info.
18731 (check_cond_move_block): New static function.
18732 (cond_move_process_if_block): New static function.
18733 (process_if_block): Call cond_move_process_if_block.
18735 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18737 * cselib.c (hash_table): Rename to cselib_hash_table.
18738 (cselib_clear_table, discard_useless_values,
18739 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18740 cselib_init, cselib_finish): Adjust uses of hash_table.
18742 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18744 PR tree-optimization/25485
18745 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18746 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18747 is known to be false and true, respectively.
18749 2006-01-14 Richard Guenther <rguenther@suse.de>
18751 PR tree-optimization/22548
18752 PR tree-optimization/22555
18753 PR tree-optimization/22501
18754 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18755 * params.def (salias-max-array-elements): New parameter.
18756 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18757 * doc/invoke.texi (salias-max-array-elements): Document.
18758 * tree-flow-inline.h (var_can_have_subvars): We also handle
18760 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18762 * tree-ssa-structalias.c (params.h): Include.
18763 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18764 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18765 (get_constraint_for): For ADDR_EXPR operating on something
18766 containing an ARRAY_REF, add all subvars to the solution.
18767 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18768 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18769 for creating MUST_DEFs.
18770 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18772 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18774 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18776 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18777 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18778 number_of_iterations_le): New functions.
18779 (number_of_iterations_special): Removed.
18780 (number_of_iterations_exit): Do not use number_of_iterations_special.
18781 * tree.c (unsigned_type_for): Always return integer type.
18783 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18784 Richard Guenther <rguenther@suse.de>
18786 PR rtl-optimization/24257
18787 * gcse.c (find_moveable_store): Only consider a store movable
18788 when the SET_SRC of the insn can be assigned to a register.
18790 2006-01-14 Ian Lance Taylor <ian@airs.com>
18792 * tree.c (tree_not_class_check_failed): New function.
18793 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18794 (tree_not_class_check_failed): Declare.
18796 2006-01-13 Ian Lance Taylor <ian@airs.com>
18798 * reload1.c (do_output_reload): Add assertion rejecting a
18801 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18803 * combine.c (struct reg_stat): Add new fields truncation_label and
18805 (record_value_for_reg): Reset truncated_to_mode.
18806 (record_truncated_value): New function.
18807 (check_promoted_subreg): Call it. Rename to check_conversions.
18808 (combine_instructions): Rename check_promoted_subreg to
18810 (reg_truncated_to_mode): New function.
18811 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18812 (gen_lowpart_or_truncate): New function.
18813 (force_to_mode): Use it instead of gen_lowpart.
18815 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18817 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18818 VAR is a tag, not its type tag.
18820 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18822 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18823 alternatives to match style of other entries.
18824 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18826 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18828 PR tree-optimization/25771
18829 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18832 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18835 * tree-inline.c (declare_return_variable): If the return variable
18836 was marked as a non gimple complex, set the return slot variable
18837 to be a non gimple comple variable.
18839 2006-01-13 Richard Guenther <rguenther@suse.de>
18841 * builtins.c (expand_builtin_sincos): New function.
18842 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18844 (expand_builtin): Expand sincos using expand_builtin_sincos.
18846 2006-01-12 DJ Delorie <dj@redhat.com>
18848 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18849 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18850 so that constant shifts can be split.
18851 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18852 (m32c_valid_pointer_mode): Make static.
18853 (shift_gen_func_for): New.
18854 (m32c_prepare_shift): Use it. Split large const shifts into
18856 * config/m32c/predicates.md (shiftcount_operand): Allow more
18858 (longshiftcount_operand): New.
18859 * doc/md.texi (Machine Constraints): Document In6.
18861 2006-01-13 Ben Elliston <bje@au.ibm.com>
18863 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18864 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18867 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18869 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18870 to try to avoid clobbering pieces of structures when we know
18871 something about the whole structure.
18872 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18874 2006-01-13 Ben Elliston <bje@au.ibm.com>
18876 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18877 return in memory, as this is no limitation is no longer present.
18879 2006-01-12 DJ Delorie <dj@redhat.com>
18881 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18882 mova with fb, and for fb+0 -> An.
18884 * config/m32c/mov.md (peephole2): Fix enabling logic.
18886 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18887 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18888 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18889 FINI_ARRAY_SECTION_ASM_OP): Define.
18891 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18893 (m32c_legitimize_reload_address): New logic to reload FB to An.
18894 (m32c_output_reg_push): Add newline.
18895 (m32c_output_reg_pop): Likewise.
18897 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18899 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18901 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18903 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18905 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18907 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18910 2006-01-11 Ben Elliston <bje@au.ibm.com>
18912 * rtlanal.c (find_reg_note): Assert insn is not null.
18914 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18916 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18919 2006-01-11 Jeff Law <law@redhat.com>
18921 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18923 (mark_threaded_blocks, register_jump_thread): New functions.
18924 (thread_through_all_blocks): Remove unwanted argument. No
18925 longer rely on e->aux to communicate thread target info.
18926 Call mark_threaded_blocks. Release the threaded_blocks
18927 bitmap and threaded_edges vector when complete.
18928 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18929 (threaded_blocks): Remove.
18930 (tree_ssa_dominator_optimize): Remove initialization and
18931 finalization of threaded_blocks. Simplify call to
18932 thread_through_all_blocks.
18933 (thread_across_edge): Call register_jump_thread rather than
18934 storing thread information into e->aux.
18935 (free_all_edge_infos): Simplify now that e->aux is no longer
18936 used to communicate with thread_through_all_blocks.
18937 * tree-flow.h (thread_through_all_blocks): Update prototype.
18938 (register_jump_thread): Prototype.
18940 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18942 * df-core.c (df_compact_blocks, df_bb_replace): Use
18943 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18945 2006-01-11 Richard Guenther <rguenther@suse.de>
18947 PR tree-optimization/25734
18948 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18949 stop propagation after successful propagation to the LHS.
18951 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18953 * basic-block.h (control_flow_graph): Change the type of
18954 x_basic_block_info to VEC(basic_block,gc) *.
18955 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18957 (SET_BASIC_BLOCK): New.
18958 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18959 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18960 * cfgbuild.c (find_basic_blocks): Likewise.
18961 * cfglayout.c (fixup_reorder_chain): Likewise.
18962 * cfgrtl.c (create_basic_block_structure,
18963 rtl_create_basic_block): Likewise.
18964 * ifcvt.c (find_if_case_1): Likewise.
18965 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18968 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18970 * Makefile.in: Removed rotted odf.c entry.
18972 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18975 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18976 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18977 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18978 output pattern modifier, not %e.
18979 * config/cris/cris.c (cris_op_str): Update comment about pattern
18981 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18982 before falling through into...
18983 <case 'E'>: Redefined from old 'e' case.
18985 2006-01-11 Jan Hubicka <jh@suse.cz>
18988 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18990 2006-01-11 Jan Hubicka <jh@suse.cz>
18992 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18993 * i386.c (x86_decompose_lea): Kill.
18994 (ix86_rtx_costs): Kill.
18996 2006-01-11 Jan Hubicka <jh@suse.cz>
18998 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18999 * cgraph.h (cgraph_node): Add inline_decl.
19000 (cgraph_insert_node_to_hashtable): Declare.
19001 (save_inline_function_body): Declare.
19002 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19004 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19005 (cgraph_function_versioning): Update call of tree_function_versioning.
19006 (save_inline_function_body): New function.
19007 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19008 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19009 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19010 (cgraph_default_inline_p): Likewise.
19011 (cgraph_decide_inlining_incrementally): Likewise.
19012 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19013 (copy_bb): Kill saving; do updating of clones.
19014 (copy_cfg_body): Kill saving.
19015 (initialize_inlined-parameters): Likewise.
19016 (expand_call_inline): Likewise.
19018 (tree_function_versioning): New parameter "update_clones".
19019 (inlining_p): Kill saving.
19020 * tree-inline.h (tree_function_versioning): Update prototype.
19021 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19024 2006-01-11 Ian Lance Taylor <ian@airs.com>
19026 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19027 Allow undoing set of machine mode.
19028 (do_SUBST): Use enums instead of is_int.
19029 (do_SUBST_MODE): New function.
19030 (SUBST_MODE): New macro.
19031 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19032 reg and trying to replace reg_regno_rtx with a new register.
19033 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19034 (simplify_set): Use SUBST_MODE.
19035 (distribute_notes): Remove code that tried to update reg notes
19036 for regno_reg_rtx changes.
19038 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19040 PR tree-optimization/23109
19041 PR tree-optimization/23948
19042 PR tree-optimization/24123
19044 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19045 * tree-cfg.c (single_noncomplex_succ): New.
19046 * tree-flow.h (single_noncomplex_succ): Declare it.
19047 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19048 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19049 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19050 insert_bb, register_division_in, insert_reciprocals,
19051 replace_reciprocal, free_bb): New.
19052 (execute_cse_reciprocals_1): Rewritten.
19053 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19054 Do not commit any edge insertion. Always compute dominators and
19055 create the allocation pool.
19056 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19057 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19058 * targhooks.c (default_min_divistions_for_recip_mul): New.
19059 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19060 * passes.c (init_optimization_passes): Run recip after tree loop
19062 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19064 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19065 Kenneth Zadeck <zadeck@naturalbridge.com>
19067 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19068 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19069 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19070 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19071 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19072 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19073 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19074 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19075 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19076 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19077 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19078 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19079 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19080 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19081 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19082 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19083 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19084 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19085 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19086 DF_SCAN_POST_ALLOC): New macros.
19087 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19088 df_free_bb_function, df_local_compute_function, df_init_function,
19089 df_dataflow_function, df_confluence_function_0,
19090 df_confluence_function_n, df_transfer_function,
19091 df_finalizer_function, df_free_function, df_dump_problem_function,
19092 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19093 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19094 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19095 df_urec_bb_info, ) New types.
19096 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19098 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19099 df_analyze_simple_change_some_blocks,
19100 df_analyze_simple_change_one_block, df_compact_blocks,
19101 df_bb_replace, df_bb_regno_last_use_find,
19102 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19103 df_insn_regno_def_p, df_find_def, df_find_use,
19104 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19105 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19106 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19107 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19108 debug_df_chain, df_get_dependent_problem, df_chain_create,
19109 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19110 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19111 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19112 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19113 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19114 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19115 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19116 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19117 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19118 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19119 df_reorganize_refs, df_set_state, df_hard_reg_init,
19120 df_read_modify_subreg_p) New public functions.
19121 * df-core.c: The core dataflow solver and glue routines for rtl
19123 (df_init, df_add_problem, df_set_blocks, df_finish,
19124 df_hybrid_search_forward, df_hybrid_search_backward,
19125 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19126 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19127 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19128 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19129 df_reg_defined, df_find_use, df_reg_used, df_dump,
19130 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19131 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19132 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19133 debug_df_useno, reset_df_after_reload): New functions.
19134 * df-scan.c: The scanning fuctions, once in df.c, completely
19135 rewritten so that they now fully model the functionality of
19136 register usage at the backend.
19137 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19138 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19139 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19140 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19141 df_get_artificial_defs, df_get_artificial_uses,
19142 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19143 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19144 df_refs_delete, df_reorganize_refs, df_set_state,
19145 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19146 df_def_record_1, df_defs_record, df_uses_record,
19147 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19148 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19149 df_record_exit_block_uses, df_hard_reg_init): New functions.
19151 * df-problems.c: Seven concrete dataflow problems that use the
19152 scanning in df-scan.c and are solved by the engine in df-core.c.
19153 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19154 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19155 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19156 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19157 df_ru_free_bb_info, df_ru_alloc,
19158 df_ru_bb_local_compute_process_def,
19159 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19160 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19161 df_ru_transfer_function, df_ru_free, df_ru_dump,
19162 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19163 df_rd_free_bb_info, df_rd_alloc,
19164 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19165 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19166 df_rd_transfer_function, df_rd_free, df_rd_dump,
19167 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19168 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19169 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19170 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19171 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19172 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19173 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19174 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19175 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19176 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19177 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19178 df_urec_mark_reg_use_for_earlyclobber,
19179 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19180 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19181 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19182 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19183 df_chain_create_bb_process_use, df_chain_create_bb,
19184 df_chain_finalize, df_chain_free, df_chains_dump,
19185 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19186 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19187 df_reg_lifetime): New functions.
19188 * df.c: Deleted file.
19189 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19190 consistent with new df api.
19191 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19192 rest_of_handle_sms): Ditto.
19193 * web.c (unionfind_union, union_defs, entry_register, web_main):
19195 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19196 invariant_expr_equal_p, find_defs, check_dependencies,
19197 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19198 free_inv_motion_data, move_loop_invariants): Ditto.
19199 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19200 Update dependencies.
19201 (odf.c): Added defective entry that was deleted later in day.
19202 * sched-deps.c (sched_analyze_1): Ditto.
19204 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19206 * tree-ssa-operands.c (get_expr_operands): Record addressable
19207 variables directly. Do not call add_stmt_operands for CONST_DECLs
19209 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19210 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19212 2006-01-11 Ben Elliston <bje@au.ibm.com>
19214 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19215 function returns true in the positive case.
19217 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19220 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19221 for SI, DI, SF and DF modes. Add alternatives to copy between
19222 general and floating point registers to the 32-bit patterns.
19223 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19224 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19225 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19226 generating 64-bit code.
19227 * config/pa/pa.c (output_move_double): Handle copies between general
19228 and floating registers.
19230 2006-01-10 Stuart Hastings <stuart@apple.com>
19232 * config/i386/i386.md (set_got): Update.
19233 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19234 (builtin_setjmp_receiver): Mach-O support.
19235 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19236 (GOT_SYMBOL_NAME): Define.
19237 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19238 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19239 * config/i386/i386.c (override_options): Revise for Darwin.
19240 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19241 support. (darwin_x86_file_end): New. (output_set_got): Add label
19242 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19243 * config/i386/i386-protos.h (output_set_got): Likewise.
19244 * config/darwin.c (machopic_legitimize_pic_address): Update
19247 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19249 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19250 when MODE isn't BLKmode.
19252 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19254 PR rtl-optimization/25367
19255 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19257 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19260 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19261 for a negative bound.
19263 2006-01-10 Richard Guenther <rguenther@suse.de>
19265 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19266 Never override with anything constraint.
19268 2006-01-10 Jan Beulich <jbeulich@novell.com>
19270 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19271 256 bits when optimize_size.
19273 2006-01-10 Jan Beulich <jbeulich@novell.com>
19275 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19277 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19278 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19281 2006-01-10 Ben Elliston <bje@au.ibm.com>
19283 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19285 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19286 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19287 (USE_FP_FOR_ARG): Reject decimal float modes.
19288 (function_arg_advance): Likewise.
19289 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19290 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19291 point types in AltiVec vectors.
19292 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19293 (rs6000_libcall_value): Likewise.
19295 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19297 * config/xtensa/ieee754-df.S: New file.
19298 * config/xtensa/ieee754-sf.S: New file.
19299 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19300 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19301 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19303 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19305 * config/sh/predicates.md (binary_float_operator,
19306 binary_logical_operator, commutative_float_operator,
19307 equality_comparison_operator, greater_comparison_operator,
19308 less_comparison_operator, logical_operator,
19309 noncommutative_float_operator, shift_operator,
19310 symbol_ref_operand, unary_float_operator): Remove redundant
19313 2006-01-09 Jeff Law <law@redhat.com>
19315 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19316 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19317 now unused arguments. Callers updated.
19318 (eliminate_redundant_computations): Remove now unused arguments,
19320 (local_fold): Remove, no longer used.
19321 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19323 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19324 (simplify_cond): New function.
19325 (forward_propagate_into_cond): Call simplify_cond.
19327 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19329 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19330 (*vec_extractv2di_1_sse): New.
19332 2006-01-09 Ben Elliston <bje@au.ibm.com>
19334 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19336 2006-01-08 Richard Guenther <rguenther@suse.de>
19338 * tree-ssa-structalias.c (get_constraint_for): Remove
19339 anyoffset argument.
19340 (get_constraint_for_component_ref): Likewise.
19341 (do_deref): Likewise.
19342 (get_constraint_for): Likewise.
19343 (do_structure_copy): Likewise.
19344 (handle_ptr_arith): Likewise.
19345 (find_func_aliases): Likewise. Remove unused need_anyoffset
19348 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19349 Kaz Kojima <kkojima@gcc.gnu.org>
19351 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19352 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19353 (EXTRA_CONSTRAINT_C16): Remove.
19354 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19355 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19356 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19357 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19358 constants of SHmedia. Handle nested constant expressions of
19360 (andcosts): Fix the costs for SHmedia constants.
19361 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19362 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19363 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19364 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19365 (movv4hi_i, movv2si_i): Likewise.
19366 (movsi_const): Adjust the second operand of ior so to match with
19367 the Csu constraint.
19368 (movdi_const, movdi_const_32bit): Likewise.
19369 (movdi_const_16bit+1): Don't sign-extend LOW.
19370 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19372 (*double_shori): Fix the split condition. Use GEN_INT instead
19373 of get_int_mode calls. Mask lower 16-bit of the argument of
19375 (sym2GOTPLT): Remove.
19376 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19378 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19379 instead of EXTRA_CONSTRAINT_C16.
19381 2006-01-07 Ian Lance Taylor <ian@airs.com>
19382 David Edelsohn <edelsohn@gnu.org>
19384 PR rtl-optimization/25662
19385 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19386 for constant operands instead of simplify_gen_binary.
19387 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19388 after trying simplify_binary_operation
19390 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19392 * tree.c (iterative_hash_expr): Hash decls based on UID.
19394 2006-01-06 Eric Christopher <echristo@apple.com>
19396 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19397 (TARGET_UNWIND_EMIT): Fix spelling.
19398 * target.h (gcc_target): Add except_table_label.
19399 * except.c (output_function_exception_table): Use.
19400 * varasm.c (default_emit_except_table_label): New.
19401 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19403 (asm_out): Add here.
19404 * output.h (default_emit_except_table_label): Prototype.
19405 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19406 * config/darwin.c (darwin_emit_except_table_label): Define.
19407 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19409 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19411 PR tree-optimization/18527
19412 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19413 number_of_iterations_special, number_of_iterations_exit):
19414 Move base and step of an iv to a single structure. Add
19415 no_overflow flag, and use it in # of iterations analysis.
19416 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19417 folded_casts argument.
19418 (simple_iv): Pass base and step in a structure. Set no_overflow
19420 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19421 Evaluate expensiveness of computing # of iterations instead of
19422 the final expression.
19423 * tree-scalar-evolution.h (affine_iv): New structure.
19424 (simple_iv): Declaration changed.
19425 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19426 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19427 find_givs_in_stmt): Changed due to simple_iv change.
19429 2006-01-06 Jeff Law <law@redhat.com>
19432 * tree-cfg.c (bsi_replace): Rename final argument from
19433 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19434 change (stmt -> orig_stmt).
19435 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19436 (bsi_remove): Add new argument. Remove EH information
19438 (verify_eh_throw_table_statements): New function.
19439 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19441 * tree-optimize.c (execute_free_cfg_annotations): Verify
19442 the EH throw statement table after removing annotations.
19443 * except.h (verify_eh_throw_table_statements): Prototype.
19444 * tree-flow.h (bsi_remove): Update prototype.
19445 * tree-vrp.c (remove_range_assertions): Add new argument to
19447 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19448 * tree-complex.c (expand_complex_div_wide): Likewise.
19449 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19450 * tree-tailcall.c (eliminate_tailcall): Likewise.
19451 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19452 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19453 * tree-nrv.c (tree_nrv): Likewise.
19454 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19455 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19456 (combine_blocks): Likewise.
19457 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19458 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19459 (cleanup_control_flow): Likewise.
19460 (remove_forwarder_block): Likewise.
19461 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19462 * tree-sra.c (sra_replace): Likewise.
19463 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19464 (forward_propagate_single_use_vars): Likewise.
19465 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19466 * tree-inline.c (expand_call_inline): Likewise.
19467 * tree-vect-transform.c (vect_transform_loop): Likewise.
19468 * tree-outof-ssa.c (rewrite_trees): Likewise.
19469 * tree-cfg.c (make_goto_expr_edges): Likewise.
19470 (cleanup_dead_labels): Likewise.
19471 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19472 (bsi_move_before, bsi_move_after): Likewise.
19473 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19474 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19476 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19479 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19481 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19482 on non gimple variables. Also add checks at the top for decls and
19484 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19486 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19487 and IMAGPART_EXPR for creating MUST_DEFs.
19488 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19489 and NAME_MEMORY_TAG separately from the DECLs.
19491 2006-01-06 Richard Guenther <rguenther@suse.de>
19493 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19494 annotation, if necessary.
19495 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19496 redundant calls to update_stmt.
19497 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19500 2006-01-05 Richard Henderson <rth@redhat.com>
19502 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19504 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19506 * c-typeck.c: Update copyright date.
19508 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19510 * c-typeck.c (build_c_cast): Always warn when casting
19511 from a pointer to an integer of different size, even if
19512 the node was constant.
19514 2006-01-05 Richard Guenther <rguenther@suse.de>
19516 PR tree-optimization/22555
19517 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19518 if one structure field is an array.
19519 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19520 operands even if we found a subvar, but ignore VOPs in this
19522 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19524 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19526 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19528 PR middle-end/24998
19529 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19531 2006-01-05 Richard Guenther <rguenther@suse.de>
19532 Diego Novillo <dnovillo@redhat.com>
19534 * tree-pass.h (TODO_remove_unused_locals): Define.
19535 * gimple-low.c (expand_var_p, remove_useless_vars,
19536 pass_remove_useless_vars): Remove. Update all users.
19537 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19538 (remove_unused_locals): New function.
19539 * tree-flow.h (remove_unused_locals): Declare.
19540 * passes.c (execute_todo): Call remove_unused_locals if
19541 TODO_remove_unused_locals is set.
19542 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19543 * tree-ssa-dce.c (pass_dce): Likewise.
19544 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19546 2006-01-05 Richard Guenther <rguenther@suse.de>
19548 * tree-flow.h (struct fieldoff): Decompose field to
19549 type, size and decl.
19550 * tree-ssa-alias.c (create_sft): Take type as parameter.
19551 (create_overlap_variables_for): Store type, size and decl
19552 in the fieldoff structure.
19553 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19554 of struct fieldoff.
19555 (push_fields_onto_fieldstack): Likewise.
19556 (create_variable_info_for): Likewise. Use offset for the
19557 SFT name if the decl is not available.
19559 2006-01-04 Paul Brook <paul@codesourcery.com>
19561 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19563 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19565 * lambda-code.c (can_put_in_inner_loop): Relax
19567 (can_put_after_inner_loop): New function.
19568 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19569 (perfect_nestify): Change to make copies and modify uses.
19571 2006-01-04 Richard Henderson <rth@redhat.com>
19573 Merge from gomp branch:
19574 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19575 via integer constant.
19576 (pragma_lex): Remove.
19577 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19578 rather than parsing it.
19579 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19580 handle_pragma_extern_prefix): Add %< %> quotes.
19581 (registered_pragmas): New.
19582 (c_register_pragma_1): New.
19583 (c_register_pragma): Use it.
19584 (c_register_pragma_with_expansion): Likewise.
19585 (c_invoke_pragma_handler): New.
19586 (init_pragma): Use cpp_register_deferred_pragma directly for
19588 * c-pragma.h (enum pragma_kind): New.
19589 (pragma_handler): New.
19590 (c_invoke_pragma_handler): Declare.
19591 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19593 * c-common.h (c_common_pch_pragma): Update decl.
19594 * Makefile.in (c-parser.o): Update dependencies.
19595 (GTFILES): Add c-pragma.h.
19596 * c-parser.c (struct c_token): Add pragma_kind.
19597 (struct c_parser): Add in_pragma.
19598 (c_lex_one_token): Always initialize keyword and pragma_kind.
19599 Extract data for CPP_PRAGMA.
19600 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19601 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19602 Don't allow CPP_PRAGMA_EOL if in_pragma.
19603 (c_parser_consume_pragma): New.
19604 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19605 (c_parser_skip_to_end_of_parameter): Likewise.
19606 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19607 (c_parser_skip_to_pragma_eol): New.
19608 (c_parser_external_declaration): Handle CPP_PRAGMA.
19609 (c_parser_compound_statement_nostart): Likewise.
19610 (c_parser_statement_after_labels): Likewise.
19611 (c_parser_pragma): New.
19612 (pragma_lex): Likewise.
19613 (c_parser_pragma_pch_preprocess): New.
19614 (c_parser_new): Merge into ...
19615 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19617 2006-01-04 Jeff Law <law@redhat.com>
19620 * tree-cfg.c (bsi_replace): Remove the original statement
19621 from the EH throw statement table.
19623 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19625 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19626 make the prototype extern "C" and add throw ().
19629 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19630 and pos non-negative and pos + len <= 32.
19631 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19632 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19633 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19636 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19637 as well as sizes not multiple of component size.
19640 * function.c (instantiate_expr): New function.
19641 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19642 walk its DECL_VALUE_EXPR with instantiate_expr.
19644 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19645 DW_OP_deref{,_size} if address isn't going to be added.
19647 2006-01-04 Ben Elliston <bje@au.ibm.com>
19649 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19650 * config/fp-bit.c: Likewise.
19652 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19654 * dominance.c: Add comment about why we use DFS numbering
19657 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19658 Richard Henderson <rth@redhat.com>
19660 Merge from gomp-branch:
19661 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19662 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19664 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19666 PR rtl-optimization/25578
19667 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19668 pass a parameter to simplify_shift_const if changing ASHIFTRT
19671 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19673 * builtins.c (get_builtin_sync_mem): New function.
19674 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19675 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19676 Call get_builtin_sync_mem to generate mem rtx.
19678 2006-01-03 Richard Guenther <rguenther@suse.de>
19681 * stmt.c (add_case_node): Make sure to clear overflow flags
19684 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19686 Merge from gomp-branch.
19687 * config/sparc/sync.md: New file.
19688 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19689 UNSPECV_LDSTUB): New constants.
19690 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19691 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19692 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19695 2006-01-03 Roger Sayle <roger@eyesopen.com>
19697 * combine.c (reg_subword_p): New predicate to test whether the
19698 destination of a set refers to a subword/piece of a register.
19699 (try_combine): Generalize the code to merge the setting of a
19700 pseudo to a constant followed by a set of a subword of that
19701 register to a constant.
19703 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19705 * basic-block.h (control_flow_graph): Change the type of
19706 x_label_to_block_map to VEC(basic_block,gc) *.
19707 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19708 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19710 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19711 VEC(basic_block,heap) *.
19712 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19713 ssa_prop_fini): Adjust the uses of cfg_blocks.
19715 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19717 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19719 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19720 hashing trees instead of a pointer hash.
19721 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19722 compare for MEM_EXPR.
19724 PR rtl-optimization/25130
19725 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19726 when comparing MEMs for GCSE
19728 2006-01-03 Ben Elliston <bje@au.ibm.com>
19730 * targhooks.h (default_decimal_float_supported_p): Declare.
19731 * targhooks.c (default_decimal_float_supported_p): Define.
19732 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19733 `default_decimal_float_supported_p'.
19734 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19736 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19738 * combine.c (apply_distributive_law <SUBREG>): Check
19739 TRULY_NOOP_TRUNCATION.
19741 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19743 * dwarf2out.c (have_switched_text_section): Delete.
19744 (have_multiple_function_sections): New.
19745 (have_location_lists): Make 'bool'.
19746 (add_AT_loc_list): Use 'true' not '1'.
19747 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19748 (output_loc_list): Use have_multiple_function_sections.
19749 (output_ranges): Likewise.
19750 (dwarf2out_begin_function): Set have_multiple_function_sections if
19752 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19753 Check function_section rather than DECL_SECTION_NAME.
19754 (dwarf2out_finish): Use have_multiple_function_sections.
19755 Don't clear have_location_lists.
19757 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19758 Jan Hubicka <jh@suse.cz>
19760 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19761 case of conditional jump jumping to the next instruction.
19762 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19763 cases of conditional jump jumping to the next instruction.
19765 2006-01-02 Jan Hubicka <jh@suse.cz>
19767 * i386.c (*_cost): Add COSTS_N_INSNS.
19768 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19770 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19773 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19775 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19777 * config/arm/arm.c (all_fpus): Fix comment typo.
19778 * config/darwin.c: Likewise.
19779 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19780 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19781 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19783 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19785 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19786 (rs6000_split_compare_and_swapqhi): New.
19787 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19788 (sync_compare_and_swapqhi_internal): New.
19789 * config/rs6000/rs6000-protos.h: Declare.